CN209934829U

CN209934829U - Multifunctional tooth-shaped large-crushing-ratio fine crusher

Info

Publication number: CN209934829U
Application number: CN201920627329.9U
Authority: CN
Inventors: 于阳光; 张健; 王宏宇; 张海磊; 朱建
Original assignee: Jiangsu University
Current assignee: Jiangsu University
Priority date: 2019-05-05
Filing date: 2019-05-05
Publication date: 2020-01-14
Anticipated expiration: 2029-05-05

Abstract

A large-crushing-ratio fine crusher integrating multiple functional tooth shapes comprises a crusher body and two crushing rollers; the crushing roller consists of main shafts (8), roller toothed discs (3) and connecting bolts (7), wherein the roller toothed discs (3) with equal number are arranged on the two main shafts (8), and the roller toothed discs (3) on the two main shafts are arranged in a staggered manner; the roller crushing mechanism is characterized in that a plurality of groups of crushing teeth are uniformly distributed on the outer cylindrical surface of each roller fluted disc (3) at intervals, each group of crushing teeth comprises primary crushing teeth (4), cutting crushing teeth (5) and trapezoidal teeth (6) which are sequentially distributed, and the crushing teeth on all the roller fluted discs (3) on each main shaft are arranged in the same phase; the primary crushing teeth (4) are in a shape of olecranon, the tail ends of the cutting crushing teeth (5) are provided with edges with vertex angles of 55-65 degrees, and the included angle between the long edge of each trapezoidal tooth (6) and the tangent line of the surface of the roller toothed disc cylinder is 45-55 degrees. The utility model discloses compact structure, reliable operation, unit volume productivity is high, and it is convenient to maintain.

Description

Multifunctional tooth-shaped large-crushing-ratio fine crusher

Technical Field

The utility model belongs to the mechanical crushing field relates to a breaker, and specifically speaking is a collect the profile of tooth's of multiple functions big breakage ratio meticulous breaker.

Background

The full utilization of renewable resources is an important measure for realizing circular economy in China, and a large amount of recyclable renewable resources are contained in waste electromechanical products. In general, the detachable part can be recycled through remanufacturing or directly as raw materials; and for the part difficult to disassemble, the part needs to be uniformly crushed to a smaller size, namely, the part is crushed to achieve fine separation, and then the high-efficiency recycling of renewable resources made of different materials is realized.

The roller crusher has become one of the main choices of crushing equipment for waste and old electromechanical products due to its advantages of simple structure, reliable operation, good comprehensive crushing performance and the like. At present, the main working part of the roller crusher on the market is a toothed roller with a specific tooth shape, crushing is realized through interaction between the teeth with the specific shape or between the teeth and a side plate, the obtained crushed product is influenced by the tooth shape and the shaft distance of two rollers, the crushing ratio is generally smaller, and if a large crushing ratio from a large size to a tiny size needs to be realized, a multi-stage crushing device is often required to be added. US patent (US 10, 065, 191B 2) discloses a double-roll crusher capable of achieving a large crushing ratio, which adopts a structure that grinding hammers are matched with additional crushing teeth on crushing rolls, and can perform the functions of primary crushing and fine crushing. However, due to the structural limitation of the double-roller crusher, the materials only pass through the crushing roller once, and the crushing effect is not ideal for the difficult-to-disassemble parts which are made of different materials and are mixed with various materials in waste and old electromechanical products.

According to the knowledge of the applicant, at present, no fine crusher with a large crushing ratio capable of meeting the crushing requirements of parts of waste electromechanical products which are difficult to disassemble is available, so that a large amount of precious renewable resources in the waste electromechanical products are difficult to recycle.

SUMMERY OF THE UTILITY MODEL

The utility model aims at not having the problem that can satisfy the difficult partial broken requirement of disassembling of old and useless electromechanical products big breakage ratio meticulous breaker can supply to use at present yet, utility model a collect the serrated big breakage ratio meticulous breaker of multiple functions.

The technical scheme of the utility model:

a large-crushing-ratio fine crusher integrating multiple functional tooth shapes comprises a crusher body and two crushing rollers; the crushing roller comprises a main shaft 8, roller toothed discs 3 and connecting bolts 7, wherein the roller toothed discs 3 with the same number are mounted on the two main shafts 8, the roller toothed discs 3 on each main shaft 8 are connected into a whole through the connecting bolts 7, and the roller toothed discs 3 on the two main shafts are arranged in a staggered manner; the roller toothed disc crusher is characterized in that a plurality of groups of crushing teeth are uniformly distributed on the outer cylindrical surface of each roller toothed disc 3 at intervals, each group of crushing teeth comprises primary crushing teeth 4, cutting crushing teeth 5 and trapezoidal teeth 6 which are distributed in sequence, and the crushing teeth on all the roller toothed discs 3 on each main shaft are arranged in the same phase; the primary crushing teeth 4 are in a shape of a eagle beak, the tail ends of the cutting crushing teeth 5 are provided with edges with vertex angles of 55-65 degrees (optimally 60 degrees), and the included angle between the long edge of each trapezoidal tooth 6 and the tangent line of the surface of the roller toothed disc cylinder is 45-55 degrees, and optimally 50 degrees.

The teeth on the two crushing rollers are arranged in an axially staggered manner, the side with higher tooth profile faces the meshing area of the two rollers, and the tooth profiles of two rows of the crushing teeth meshed in the meshing area of the two rollers are the same.

The machine body part is characterized in that a feeding port 2 is arranged on the upper side of an upper box body 1 and connected with the upper side of the upper box body through a bolt, the upper box body 1 and a lower box body 10 are connected through a bolt and form a hole for installing a crushing roller, and a discharging port is arranged on the lower side of the lower box body 10 and connected with the lower box body through a bolt.

The axis of a main shaft 8 of the crushing roller is superposed with the axis of a hole formed by matching the upper box body and the lower box body, and five roller toothed discs 3 with the same relative position are connected into a whole by connecting bolts 7 and are arranged on the main shaft 8, so that the same axial tooth form is ensured.

The sieve plate 9 is fixed on the inner wall of the lower box body 10, is parallel to the main shaft, and has the length and the width equal to those of the inner wall of the lower box body 10 respectively, and the distance between two arc surfaces on the upper side and the cylindrical surfaces of the two crushing rollers is slightly larger than the maximum tooth height.

Two arc surfaces on the upper side of the sieve plate 9 are respectively coaxial with the outer cylindrical surfaces of the corresponding crushing rollers, and holes with the same size as the required crushing size are sequentially formed in the arc surfaces.

Each main shaft 8 is provided with five roller fluted discs 3.

Each roller fluted disc 3 is provided with four groups of crushing teeth consisting of primary crushing teeth 4, cutting crushing teeth 5 and trapezoidal teeth 6 which are distributed in sequence.

The utility model has the advantages that:

(1) the utility model discloses collect the profile of tooth's of multiple functions great breakage ratio meticulous breaker, synthesize the profile of tooth of three kinds of different functions on the crushing roller, accomplish elementary breakage, the rethread has the broken tooth cutting of cutting function's cutting through the elementary broken tooth of olecranon type, then realize meticulous breakage through trapezoidal tooth, not only can realize that big breakage ratio is broken, moreover to different materials especially the difficult part of disassembling of mixing various materials in the old and useless electromechanical products have fine crushing effect.

(2) The utility model discloses collect the profile of tooth's of multiple functions great breakage ratio meticulous breaker, through aperture and the shape of setting for the sieve, realize that only being not more than this aperture and shape can fall through the crushing material in this hole, all the other materials will be by broken tooth belt jack-up new breakage, reach broken requirement until particle diameter and shape.

(3) The utility model integrates a plurality of functional tooth-shaped large crushing ratio fine crusher, can use sieve plates with different apertures and shapes according to requirements, and ensures the adaptability and crushing efficiency to products; and moreover, the structure is compact, the work is reliable, the production capacity per unit volume is high, and the maintenance is convenient.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic view of the primary crushing teeth as they engage.

Fig. 3 is a schematic view of the engagement of trapezoidal teeth.

In the figure, 1-an upper box body, 2-a material inlet, 3-a roller fluted disc, 4-primary crushing teeth, 5-cutting crushing teeth, 6-trapezoidal teeth, 7-a connecting bolt, 8-a main shaft, 9-a sieve plate, 10-a lower box body and 11-a material outlet.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and examples.

As shown in fig. 1-3.

A large-crushing-ratio fine crusher integrating multiple functional tooth shapes comprises a crusher body and two crushing rollers; the crushing roller comprises a main shaft 8, a roller toothed disc 3 and a connecting bolt 7, wherein the machine body part consists of a feeding port 2, an upper box body 1, a sieve plate 9, a lower box body 10 and a discharging port 11; four groups of crushing teeth are uniformly distributed on the outer cylindrical surface of the roller fluted disc 3, and each group of crushing teeth comprises primary crushing teeth 4, cutting crushing teeth 5 and trapezoidal teeth 6 which are distributed in sequence; the primary crushing teeth 4 are in a shape of a eagle beak, the tail ends of the cutting crushing teeth 5 are blades with vertex angles of 55-65 degrees (optimally 60 degrees), and the included angle between the long side 12 of the trapezoidal teeth 6 and the tangent line of the surface of the roller toothed disc cylinder is 45-55 degrees (optimally 50 degrees). The teeth on the two crushing rollers are arranged in an axially staggered manner, the side with a higher tooth form faces the meshing area of the two rollers, and the tooth forms of the two rows of crushing teeth meshed in the meshing area of the two rollers are the same. The feeding port 2 of the machine body part is arranged on the upper side of the upper box body 1 and connected with the upper box body through a bolt, the upper box body 1 and the lower box body 10 are connected through a bolt and form a hole for installing the crushing roller, and the discharging port is arranged on the lower side of the lower box body 10 and connected with the lower box body through a bolt. The axis of a main shaft 8 of the crushing roller is superposed with the axis of a hole formed by matching the upper box body and the lower box body, and five roller toothed discs 3 with the same relative position are connected into a whole through connecting bolts 7 and are arranged on the main shaft 8, so that the same axial tooth form is ensured. The sieve plate 9 is fixed on the inner wall of the lower box body 10, is parallel to the main shaft, and has the length and the width equal to those of the inner wall of the lower box body 10 respectively, and the distance between two arc surfaces on the upper side and the cylindrical surfaces of the two crushing rollers is slightly larger than the maximum tooth height. Two arc surfaces on the upper side of the sieve plate 9 are respectively coaxial with the outer cylindrical surfaces of the corresponding crushing rollers, and holes with the same size as the required crushing size are sequentially formed in the arc surfaces.

Use the utility model discloses a when the broken jumbo size solid material of breaker, two crushing rollers rotate in opposite directions with the same rotational speed, and the material passes through feed inlet 1 and gets into two crushing roller meshing region's top, at first fixed with the drive through meshing region completion elementary breakage by the elementary broken tooth 4 of both sides olecranon type, and meshing region at this moment is formed by the meshing of elementary broken tooth, and interval between tooth and the tooth is the biggest (fig. 2), and the primary function is to carry out elementary breakage to less size with the large size material. The materials after primary crushing fall on the sieve plate 9, a small part of the materials meet the size requirement and pass through sieve holes, the rest materials are brought back to the meshing area by the crushing teeth, and the materials with larger size are cut and crushed by the blades at the tail ends of the cutting crushing teeth 5 in the process. And finally, the materials are finally crushed through the meshing area formed by the trapezoidal teeth 6, the space between the teeth of the meshing area is the minimum (figure 3), most of the materials enter the discharge hole 11 through the sieve holes after being sufficiently sheared, extruded and ground, and the materials are discharged, and a small number of the materials which do not meet the required size are brought into the meshing area again to be crushed until the materials reach the specified size.

The utility model discloses the part that does not relate to all is the same with prior art or can adopt prior art to realize.

Claims

1. A large-crushing-ratio fine crusher integrating multiple functional tooth shapes comprises a crusher body and two crushing rollers; the crushing roller comprises a machine body, a crushing roller, a plurality of main shafts, roller fluted discs, a plurality of connecting bolts, a plurality of roller fluted discs, a plurality of crushing roller fluted discs, a; the roller crushing mechanism is characterized in that a plurality of groups of crushing teeth are uniformly distributed on the outer cylindrical surface of each roller fluted disc (3) at intervals, each group of crushing teeth comprises primary crushing teeth (4), cutting crushing teeth (5) and trapezoidal teeth (6) which are sequentially distributed, and the crushing teeth on all the roller fluted discs (3) on each main shaft are arranged in the same phase; the primary crushing teeth (4) are in a shape of olecranon, the tail ends of the cutting crushing teeth (5) are provided with edges with vertex angles of 55-65 degrees, and the included angle between the long edge of each trapezoidal tooth (6) and the tangent line of the surface of the roller toothed disc cylinder is 45-55 degrees.

2. The multifunctional toothed large crushing ratio fine crusher as set forth in claim 1, wherein the teeth of the two crushing rollers are staggered axially and the higher side of the teeth is toward the meshing area of the two rollers, and the teeth of the two rows of crushing teeth meshing with each other in the meshing area of the two rollers have the same shape.

3. The multifunctional toothed high crushing ratio fine crusher as claimed in claim 1, wherein the material inlet (2) of the crusher body is arranged on the upper side of the upper box body (1) and connected with the upper box body through a bolt, the upper box body (1) and the lower box body (10) are connected through a bolt and form a hole for installing the crushing roller, and the material outlet is arranged on the lower side of the lower box body (10) and connected with the lower box body through a bolt.

4. The fine crusher with large crushing ratio and multi-functional tooth form as claimed in claim 1, wherein the axis of the main shaft (8) of the crushing roller coincides with the axis of the hole formed by the upper and lower boxes, and five roll tooth discs (3) with the same relative position are connected into a whole by connecting bolts (7) and installed on the main shaft (8), so as to ensure the same tooth form in the same axial direction.

5. The multifunctional toothed high crushing ratio fine crusher according to claim 1 is characterized in that the sieve plate (9) is fixed on the inner wall of the lower box body (10) and is parallel to the main shaft, the length and the width of the sieve plate are respectively equal to those of the inner wall of the lower box body (10), and the distance between the two arc surfaces on the upper side of the sieve plate and the cylindrical surfaces of the two crushing rollers is slightly larger than the maximum tooth height.

6. The multifunctional toothed high-crushing-ratio fine crusher as claimed in claim 1, wherein the two circular arc surfaces on the upper side of the screen plate (9) are respectively coaxial with the outer cylindrical surface of the corresponding crushing roller, and holes with the same size as the required crushing size are sequentially formed in the circular arc surfaces.

7. The multifunctional tooth profile large crushing ratio fine crusher according to claim 1, wherein each main shaft (8) is provided with five roller fluted discs (3).

8. The fine crusher with large crushing ratio and multi-functional tooth form as claimed in claim 1, wherein each roller toothed disc (3) is provided with four groups of crushing teeth consisting of primary crushing teeth (4), cutting crushing teeth (5) and trapezoidal teeth (6) which are distributed in sequence.