CN204448128U - A kind of gyratory crusher - Google Patents

Abstract

The utility model relates to mining equiment field, particularly relates to a kind of gyratory crusher.A kind of gyratory crusher, comprises frame, and is arranged on the mantle group in frame; Described mantle group comprises mantle axle, and is set in the movable cone outside mantle axle, and is set in the mantle liner plate outside movable cone; Described machine frame inside is provided with determines cone liner plate, surely bores between liner plate and mantle liner plate and forms crusher chamber; This gyratory crusher has that bonding strength is high, the advantage of good damping effect.

Description

a cone crusher

technical field

The utility model relates to the field of mining equipment, in particular to a cone crusher.

Background technique

The cone crusher is a kind of mining machinery used for crushing stones. Its working principle is to drive the eccentric swing of the movable cone main shaft group through the eccentric mechanism. Cooperate with each other to crush stones. However, the existing cone crushers have the following two disadvantages: First, the fixed cone liner is rigidly connected to the frame. The connected frame generates strong vibration, and the frame is prone to cracks due to long-term vibration and stone collision, which seriously affects its service life. Two, the connection between the movable cone liner on the movable cone spindle group and the movable cone is not firm, the movable cone liner is easy to loosen, and there is a potential safety hazard.

Contents of the invention

In order to solve the above problems, the purpose of this utility model is to provide a cone crusher, which has the advantages of high connection strength and good shock absorption effect.

In order to achieve the above-mentioned purpose, the utility model adopts the following technical solutions:

A cone crusher, comprising a frame, and a moving cone group arranged in the frame; the moving cone group includes a moving cone shaft, a moving cone body sleeved on the outside of the moving cone shaft, and a moving cone The movable cone liner outside the body; the fixed cone liner is arranged inside the frame, and the crushing chamber is formed between the fixed cone liner and the movable cone liner;

The taper of the movable cone liner is set on the outer wall surface of the movable cone, and the inner surface of the lower end of the movable cone liner is closely attached to the lower end outer surface of the movable cone; the inner surface of the upper end of the movable cone liner and the movable cone A movable cone groove for filling epoxy resin is formed between the outer surfaces of the upper end of the upper end of the movable cone, and a fastening nut is threaded on the movable cone shaft at the upper end of the movable cone, and the fastening nut axially positions the movable cone liner;

The frame and the fixed cone liner are connected through the fixed cone connection structure, the fixed cone connection structure includes liner bolts, liner nuts, disc springs, spring guide sleeves and washers, the upper end of the liner bolts is an external thread connection part, The lower end of the liner bolt is a hinged part; the outer wall surface of the fixed cone liner is also provided with a fixed cone pin seat connected with it, the lower end of the liner bolt is hinged with the fixed cone pin seat through a pin shaft, and the liner The upper end of the bolt passes through the frame and is fixed by the liner nut. The spring guide sleeve and the washer are set on the liner bolt between the liner nut and the frame from the outside to the inside in turn, and the disc spring is set on the spring guide. Put it on, and the lower end of the disc spring sleeve is against the washer.

As a preference, the outer wall surface of the fixed cone liner is divided into the feeding area, the fixed cone inclined crushing area and the fixed cone parallel crushing area from top to bottom, and the feeding area, the fixed cone inclined crushing area and the fixed cone parallel crushing area The inclination angle of the movable cone liner becomes smaller in turn; the outer wall surface of the movable cone liner is divided into a movable cone inclined crushing area, a movable cone parallel crushing area and a blanking area from top to bottom, and the inclination angle of the movable cone inclined crushing area is smaller than the The inclination angle of the parallel crushing area, the thickness of the blanking area is smaller than the thickness of the movable cone parallel crushing area; the inclined crushing area of the movable cone of the movable cone liner matches the inclined crushing area of the fixed cone of the fixed cone liner to form a conical crushing opening , the movable cone parallel crushing area of the movable cone liner and the fixed cone parallel crushing area of the fixed cone liner are parallel to each other to form a parallel crushing port, and the parallel crushing port is downstream of the conical crushing port; Feeding from the top, the feeding area of the fixed cone liner regulates the feeding of stones. The stones are crushed for the first time at the conical crushing port, and the primary crushed stones are crushed for the second time at the parallel crushing port, and finally the complete stones are crushed. The material is discharged under the specification of the blanking area of the movable cone liner; through the above-mentioned two crushings, it can ensure that the stones are fully broken, and the broken stones are more regular.

As a preference, the movable cone shaft is composed of a movable cone shaft body and a movable cone shaft top arranged above the movable cone shaft body; the inside of the movable cone body is provided with a stepped through hole with a large diameter at the lower part and a small diameter at the upper part; The through hole is divided into bearing installation hole, shaft body installation hole and shaft top installation hole from bottom to top; In the installation hole of the shaft body of the moving cone; ensure that the connection between the moving cone and the shaft of the moving cone is firm, and prevent the circumferential deflection of the moving cone.

As a preference, the upper end of the dynamic cone liner is provided with a plurality of dynamic cone reinforcement ribs, and the plurality of dynamic cone reinforcement ribs are regularly distributed along the upper port of the dynamic cone liner; on the one hand, the dynamic cone reinforcement ribs play a role in the dynamic cone liner Reinforcement; on the other hand, it can accumulate stones at the feed inlet and protect the movable cone liner.

Preferably, a cutting ring is provided between the fastening nut and the upper end of the movable cone liner; during disassembly, the cutting ring can be cut off, so that the fastening nut can be unscrewed and the movable cone liner can be disassembled.

Preferably, a protective cap is provided above the fastening nut; when the cone crusher is working, a large amount of stone is fed from above the movable cone group, and the protective cap is used to prevent the fastening nut and the movable cone shaft from being impacted and worn by the stone.

The utility model adopts the above-mentioned technical scheme, and the cone crusher has the advantages in the following two aspects: 1. The cone crusher flexibly connects the fixed cone liner to the fixed cone; , The gasket plays a shock-absorbing effect; the lower end of the liner bolt in the fixed cone connection structure is hinged with the fixed cone pin seat through the pin shaft, so that the fixed cone liner can swing and buffer with the pin shaft as the center when crushing stones. When the cone crusher is working, the movable cone and the fixed cone are squeezed against each other, and the fixed cone is buffered by the pin joint on the one hand, and damped by the disc spring on the other hand, which finally reduces the vibration of the cone crusher frame. Extend its service life. 2. The axial lower end of the movable cone liner is fixed by taper sleeve between the movable cone liner and the movable cone body, the epoxy resin is adhered to fix the circumferential direction of the movable cone liner, and the fastening nut is positioned to fix the axis of the movable cone liner Upward end; through three connection structures, the movable cone liner is firmly connected to the movable cone, with good stability.

Description of drawings

Fig. 1 is the structural representation of the utility model.

Figure 2 is a schematic diagram of the installation of the fixed cone liner.

FIG. 3 is an enlarged view of part A of FIG. 2 .

Fig. 4 is a schematic diagram of the structure of the moving cone group.

Fig. 5 is a schematic diagram of the structure of the moving cone.

Fig. 6 is a structural schematic diagram of the crushing chamber.

Detailed ways

Below in conjunction with accompanying drawing, preferred embodiment of the present utility model is described in further detail.

A cone crusher as shown in FIGS. 1 to 6 includes a frame 1 and a moving cone group 5 arranged in the frame 1 .

The following content describes each part of the cone crusher in detail:

fixed cone

The inside of the frame 1 is provided with a fixed cone liner 23, and the frame 1 and the fixed cone liner 23 are connected through a fixed cone connection structure. The fixed cone connection structure includes a liner bolt 232, a liner nut 233, a disc spring 234, The spring guide sleeve 235 and the washer 236, the upper end of the liner bolt 232 is an external thread connection, and the lower end of the liner bolt 232 is a hinge; Taper pin seat 231, the lower end of liner bolt 232 is hinged with fixed cone pin seat 231 through the pin shaft, the upper end of liner bolt 232 passes through frame 1 and is fixed by liner nut 233, spring guide sleeve 235 and washer 236 Sleeve on the liner bolt 232 between the liner nut 233 and the frame 1 from the outside to the inside, the disc spring 234 is set on the spring guide sleeve 235, and the lower end of the disc spring 234 is against the washer 236 . The cone crusher flexibly connects the fixed cone liner to the fixed cone body; the disc spring cooperates with the spring guide sleeve and the washer in the fixed cone connection structure to play a shock absorbing effect; the lower end of the liner bolt in the fixed cone connection structure passes through the pin The shaft is hinged with the fixed cone pin seat 231, so that the fixed cone liner can be centered on the pin shaft for buffering when the fixed cone liner is crushed. When the cone crusher is working, the movable cone and the fixed cone are squeezed against each other, and the fixed cone is buffered by the pin joint on the one hand, and damped by the disc spring on the other hand, which finally reduces the vibration of the cone crusher frame. Extend its service life.

Moving cone group

The moving cone group 5 includes a moving cone shaft 51, a moving cone body 52 and a moving cone liner 53, the outer surface of the moving cone 52 is tapered, and the inside of the moving cone 52 is provided with a step with a large diameter at the lower part and a small diameter at the top Through hole; the stepped through hole runs through the upper and lower ends of the moving cone 52 , and the stepped through hole is divided into a lower bearing mounting hole 521 , a middle shaft mounting hole 522 and an upper shaft top mounting hole 523 . The moving cone shaft 51 is composed of a moving cone shaft body 511 and a moving cone shaft top 512 disposed above the moving cone shaft body 511 are integrally connected. During installation, the movable cone 52 is sleeved on the movable cone shaft 51, the upper end of the movable cone shaft 511 is in interference fit with the shaft installation hole 522 of the movable cone 52, and the movable cone shaft top 512 and the shaft top of the movable cone 52 The installation hole 523 has an interference fit; thus, the connection between the movable cone and the shaft of the movable cone is firm, and the circumferential deflection of the movable cone is prevented.

The moving cone liner 53 is sleeved on the outer surface of the moving cone 52, the inner side of the lower end of the moving cone liner 53 is closely matched with the moving cone 52, and the inner side of the upper end of the moving cone liner 53 is closely matched with the moving cone 52. A movable cone groove 54 for filling epoxy resin is formed between them; an internal thread connection hole is opened on the movable cone shaft top 512, and a fastening nut 55 is threaded on the movable cone shaft top 512, and the fastening nut 55 axially positions the movable A cutting ring 57 is provided between the cone liner 53 , the fastening nut 55 and the upper end of the movable cone liner 53 . This structure restricts the downward sliding of the movable cone liner 53 through the taper fit between the movable cone liner 53 and the movable cone body 52; the movable cone groove 54 between the movable cone liner 53 and the movable cone 52 is filled with epoxy resin , to limit the sliding of the movable cone liner 53; the fastening nut 55 presses the upper end surface of the movable cone liner 53 through the cutting ring 57, and limits the upward sliding of the movable cone liner 53; the above-mentioned three kinds of connections make the movable cone liner The connection between the plate 53 and the movable cone 52 is firm, and relative sliding will not occur. When the movable cone liner 53 needs to be replaced, the cutting ring 57 can be cut off, the fastening nut 55 can be unscrewed, and the movable cone liner 53 can be knocked to make it Loosen with the movable cone 52, take off from the upper end of the movable cone shaft 51.

A protective cap 56 is also provided above the fastening nut 55, and the protective cap 56 is used to prevent the fastening nut 55 and the moving cone shaft 51 from being damaged by the impact of stones, and plays a protective role. The upper end of the movable cone liner 53 is also provided with a plurality of movable cone reinforcing ribs 531, and a plurality of glue injection holes 532 connected with the movable cone groove 54, and the plurality of glue injection holes 532 are regularly distributed along the upper port of the movable cone liner 53 , used to evenly add epoxy resin to the moving cone groove 54; a plurality of moving cone reinforcing ribs 531 are regularly distributed along the upper port of the moving cone liner 53, and the moving cone reinforcing ribs 531 strengthen the moving cone liner 53 on the one hand function; on the other hand, it can accumulate stones at the feed port 92 and protect the movable cone liner 53.

crushing cavity

A crushing cavity is formed between the fixed cone liner 23 and the movable cone liner 53; the outer wall surface of the fixed cone liner 23 is divided into the feeding area 23a, the fixed cone inclined crushing area 23b and the fixed cone parallel crushing area from top to bottom. The inclination angles of the zone 23c, the feeding zone 23a, the fixed cone inclined crushing zone 23b and the fixed cone parallel crushing zone 23c become smaller in turn. The outer wall surface of the moving cone liner 53 is divided into a moving cone inclined crushing area 53a, a moving cone parallel crushing area 53b and a blanking area 53c from top to bottom. The inclined angle of the moving cone inclined crushing area 53a is smaller than the moving cone parallel crushing area. The inclination angle of the zone 53b, the thickness of the blanking zone 53c is smaller than the thickness of the moving cone parallel crushing zone 53b.

The movable cone inclined crushing area 53a of the movable cone liner 53 is matched with the fixed cone inclined crushing area 23b of the fixed cone liner 23 to form a conical crushing opening 931, and the movable cone parallel crushing area 53b of the movable cone liner 53 is aligned with the fixed cone The fixed cone parallel crushing areas 23c of the liner 23 are parallel to each other to form a parallel crushing port 932 , and the parallel crushing port 932 is located downstream of the conical crushing port 931 . When the cone crusher is working, the stone is fed from the top of the frame 1, and the feeding area of the fixed cone liner regulates the feeding of the stone. The second crushing is carried out at the mouth, and the finally completely crushed stones are discharged under the specifications of the falling area of the movable cone liner; through the above two crushings, the stones can be fully crushed, and the crushed stones are more regular.

Claims (6)

1. A cone crusher, comprising a frame, and a moving cone group arranged in the frame; the moving cone group includes a moving cone shaft, and a moving cone body sleeved on the outside of the moving cone shaft, and is sleeved on the The movable cone liner on the outside of the movable cone; the fixed cone liner is arranged inside the frame, and the crushing cavity is formed between the fixed cone liner and the movable cone liner; the characteristics are as follows: The taper of the movable cone liner is set on the outer wall surface of the movable cone, and the inner surface of the lower end of the movable cone liner is closely attached to the lower end outer surface of the movable cone; the inner surface of the upper end of the movable cone liner and the movable cone A movable cone groove for filling epoxy resin is formed between the outer surfaces of the upper end of the upper end of the movable cone, and a fastening nut is threaded on the movable cone shaft at the upper end of the movable cone, and the fastening nut axially positions the movable cone liner; The frame and the fixed cone liner are connected through the fixed cone connection structure, the fixed cone connection structure includes liner bolts, liner nuts, disc springs, spring guide sleeves and washers, the upper end of the liner bolts is an external thread connection part, The lower end of the liner bolt is a hinged part; the outer wall surface of the fixed cone liner is also provided with a fixed cone pin seat connected with it, the lower end of the liner bolt is hinged with the fixed cone pin seat through a pin shaft, and the liner The upper end of the bolt passes through the frame and is fixed by the liner nut. The spring guide sleeve and the washer are set on the liner bolt between the liner nut and the frame from the outside to the inside in turn, and the disc spring is set on the spring guide. Put it on, and the lower end of the disc spring sleeve is against the washer. 2. A cone crusher according to claim 1, characterized in that: the outer wall surface of the fixed cone liner is sequentially divided into a feeding area, a fixed cone inclined crushing area and a fixed cone parallel crushing area from top to bottom , the inclination angles of the feeding area, the inclined crushing area of the fixed cone and the parallel crushing area of the fixed cone become smaller in turn; and the blanking area, the inclination angle of the inclined crushing area of the moving cone is smaller than the inclination angle of the parallel crushing area of the moving cone, and the thickness of the blanking area is smaller than the thickness of the parallel crushing area of the moving cone; The fixed cone inclined crushing area of the fixed cone liner is matched to form a conical crushing port, the movable cone parallel crushing area of the movable cone liner and the fixed cone parallel crushing area of the fixed cone liner are parallel to each other to form a parallel crushing port, and the parallel crushing port is located in the cone Downstream of the broken opening. 3. A cone crusher according to claim 1 or 2, characterized in that: the moving cone shaft is composed of a moving cone shaft body and a moving cone shaft top arranged above the moving cone shaft body; Inside the cone is a stepped through hole with a large diameter at the lower part and a small diameter at the upper part; the stepped through hole is divided into bearing installation hole, shaft body installation hole and shaft top installation hole from bottom to top; In the shaft top mounting hole of the moving cone body, the upper end of the moving cone shaft body is interference-fitted in the shaft body mounting hole of the moving cone body. 4. A cone crusher according to claim 1 or 2, characterized in that: the upper end of the moving cone liner is provided with a plurality of moving cone reinforcing ribs, and the plurality of moving cone reinforcing ribs are along the upper end of the moving cone lining. Port rule distribution. 5. A cone crusher according to claim 4, characterized in that: a cutting ring is provided between the fastening nut and the upper end of the movable cone liner. 6. A cone crusher according to claim 5, characterized in that a protective cap is provided above the fastening nut.