CN219942931U - Jaw crusher with multistage buffering structure - Google Patents

Abstract

The utility model discloses a jaw crusher with a multistage buffering structure, which comprises a U-shaped frame, wherein an extrusion assembly is arranged in the U-shaped frame, a crushing assembly is arranged in the U-shaped frame, the extrusion assembly comprises two bearings, the two bearings are embedded on the inner walls of two ends of the U-shaped frame, the two bearings are fixedly sleeved with the same rotating shaft, the surface of the rotating shaft is fixedly sleeved with an eccentric cylinder, the outer wall of the eccentric cylinder is movably sleeved with a rotary cylinder, and the outer wall of the lower end of the rotary cylinder is fixedly connected with a sloping plate.

Description

Jaw crusher with multistage buffering structure

Technical Field

The utility model relates to a jaw crusher, in particular to a jaw crusher with a multistage buffering structure, and belongs to the technical field of crushers.

Background

Jaw crushers commonly called jaw crushes, also called old tiger mouths, and a crushing cavity is formed by two jaw plates of a movable jaw and a static jaw, so that the jaw crusher is a crusher for simulating the movement of two jaws of an animal to finish the crushing operation of materials.

The existing jaw crusher extrudes materials to crush through the repeatedly-swinging movable jaw plate, but the movable jaw plate drives tooth blocks on the surface to collide with the materials when moving, the materials slide downwards under the influence of gravity, so that severe friction between the materials and the contact blocks is caused, the tooth blocks are damaged due to repeated severe friction for many times, and finally the crushing effect of the crusher can be influenced.

Disclosure of Invention

The utility model aims to solve the defects in the prior art and provides a jaw crusher with a multistage buffering structure.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

jaw crusher with multistage buffer structure, including the U-shaped frame, the inside of U-shaped frame is provided with extrusion subassembly, the inside of U-shaped frame is provided with crushing subassembly.

The extrusion subassembly includes two bearings, two the bearing inlays and establishes on the both ends inner wall of U-shaped frame, two the inside fixed sleeve of bearing has same pivot, the fixed eccentric section of thick bamboo that has cup jointed on the surface of pivot, the rotary drum has been cup jointed to the activity on the outer wall of eccentric section of thick bamboo, fixedly connected with swash plate on the lower extreme outer wall of rotary drum, a plurality of double-layered grooves have been seted up to the inside equidistance of swash plate, a plurality of the equal joint in inside of double-layered groove has the buffer board, and is a plurality of the buffer board is located the inside a plurality of dead levers of fixedly connected with on the one end lateral wall of double-layered groove, a plurality of the spring has all been cup jointed on the surface of dead lever, and a plurality of the dead lever is pegged graft inside a plurality of jacks, a plurality of the jack is seted up on the surface of a plurality of dead lever fixed connection is on the lateral wall of swash plate.

As a preferable scheme of the utility model, the crushing assembly comprises a fixed plate, the fixed plate is fixedly connected to the inner wall of the U-shaped frame, a plurality of static teeth are fixedly connected to the side wall of the other side of the fixed plate, the static teeth and the movable teeth are mutually staggered and correspond, the movable teeth are fixedly connected to the inclined side wall of the inclined plate, and a supporting plate is fixedly connected to the side wall of the lower end of the U-shaped frame.

As a preferable mode of the present utility model, the lengths of the plurality of buffer plates extending out of the clamping groove are longer than the widths of the moving teeth.

As a preferable mode of the utility model, a plurality of the clamping grooves are respectively arranged among a plurality of the movable teeth.

As a preferable scheme of the utility model, two ends of the rotating shaft are fixedly connected with rotating discs.

As a further preferable scheme of the utility model, the upper end of the supporting plate is provided with a cambered surface, and the upper end of the supporting plate is clamped on the side wall of the sloping plate.

The jaw crusher with the multistage buffering structure has the beneficial effects that: the rotary table is driven to rotate through an external driving assembly, the rotary table is driven to rotate when the rotary table rotates, the eccentric cylinder is driven to rotate when the rotary table rotates, the outer wall pushes the inside of the rotary cylinder to further drive the rotary cylinder to eccentrically swing, the inclined plate is driven to swing through the rotary cylinder, the buffer plate inside the clamping groove is driven to contact with materials when the inclined plate moves, when the inclined plate is close to the static teeth, the buffer plate is driven to extrude the materials through the spring, the buffer plate is uniformly spread on the static teeth, when the inclined plate drives the movable teeth to contact with the materials, only extrusion between the materials and the movable teeth can be guaranteed, severe friction can not occur, and the movable teeth are prevented from being worn to damage the crushing effect of the crusher.

Drawings

In order to more clearly illustrate the technical solutions of the inventive embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being obvious that the drawings in the following description are only examples of the inventive embodiments of the present utility model, and that other drawings can be obtained according to these drawings without the need of inventive effort for a person skilled in the art.

FIG. 1 is a schematic top view of an embodiment of the present utility model;

FIG. 2 is a schematic cross-sectional view of an embodiment of the present utility model;

FIG. 3 is a schematic view of a drum structure according to an embodiment of the present utility model;

FIG. 4 is a schematic view of a buffer plate according to an embodiment of the present utility model;

fig. 5 is a schematic view of a swash plate according to an embodiment of the utility model.

Reference numerals: u-shaped frame 1, extrusion subassembly 2, bearing 21, pivot 22, carousel 23, eccentric section of thick bamboo 24, rotary drum 25, swash plate 26, double-layered groove 27, buffer plate 28, dead lever 29, spring 210, jack 211, fixed strip 212, crushing subassembly 3, fixed plate 31, quiet tooth 32, move tooth 33, backup pad 34.

Detailed Description

In order to make the objects, technical solutions and advantages of the inventive embodiments of the present utility model more apparent, the inventive implementation routine will be described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the present utility model.

In the description of the inventive embodiments, it should be understood that the directions or positional relationships indicated by the terms "upper", "lower", "front", "rear", "inner", "outer", etc., are based on the directions or positional relationships shown in the drawings, are merely for convenience in describing the inventive embodiments and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the inventive embodiments.

In describing embodiments of the present utility model, it should be noted that, unless explicitly stated and limited otherwise, the terms "mounted," "connected," and "coupled" should be construed broadly, and may be, for example, fixedly coupled, integrally coupled, or detachably coupled; may be a communication between the interiors of two elements; either directly or indirectly through intermediaries, the specific meaning of the terms in the inventive embodiments of the present utility model will be understood by those skilled in the art in the specific case.

Referring to fig. 1 to 5, the jaw crusher with the multistage buffering structure according to the embodiment of the present utility model comprises a U-shaped frame 1, wherein an extrusion assembly 2 is arranged inside the U-shaped frame 1, and a crushing assembly 3 is arranged inside the U-shaped frame 1.

The extrusion assembly 2 comprises two bearings 21, the two bearings 21 are embedded on the inner walls of the two ends of the U-shaped frame 1, the same rotating shaft 22 is fixedly sleeved in the two bearings 21, an eccentric cylinder 24 is fixedly sleeved on the surface of the rotating shaft 22, a rotary cylinder 25 is movably sleeved on the outer wall of the eccentric cylinder 24, an inclined plate 26 is fixedly connected to the outer wall of the lower end of the rotary cylinder 25, a plurality of clamping grooves 27 are formed in the inner part of the inclined plate 26 at equal intervals, buffer plates 28 are clamped in the plurality of clamping grooves 27, a plurality of fixing rods 29 are fixedly connected to one end side wall of the inner part of the clamping grooves 27, springs 210 are sleeved on the surfaces of the plurality of fixing rods 29, the plurality of fixing rods 29 are inserted in a plurality of insertion holes 211, the plurality of insertion holes 211 are formed in the surfaces of the plurality of fixing rods 212, the plurality of fixing rods 212 are fixedly connected to the side wall of the inclined plate 26, the rotary cylinder 25 is driven to swing through the eccentric swing, and the rotary cylinder 25 is further driven to drive the buffer plates 28 to push up , and violent friction between moving teeth 33 and materials is prevented.

The crushing assembly 3 comprises a fixed plate 31, the fixed plate 31 is fixedly connected to the inner wall of the U-shaped frame 1, a plurality of static teeth 32 are fixedly connected to the side wall of the other side of the fixed plate 31, the plurality of static teeth 32 and a plurality of movable teeth 33 are mutually staggered and correspond, the plurality of movable teeth 33 are fixedly connected to the inclined side wall of the inclined plate 26, a supporting plate 34 is fixedly connected to the side wall of the lower end of the U-shaped frame 1, and materials are crushed by extruding the movable teeth 33 and the static teeth 32.

The length of the plurality of buffer plates 28 extending out of the clamping groove 27 is longer than the width of the movable teeth 33, so that the buffer plates 28 are in contact with the material first.

The plurality of clamping grooves 27 are respectively arranged between the plurality of movable teeth 33, so that the plurality of buffer plates 28 extend out from the plurality of movable teeth 33 and are not blocked by the movable teeth 33.

Two ends of the rotating shaft 22 are fixedly connected with rotating discs 23, the rotating plates 23 can be driven to rotate by an external driving assembly, and the rotating plates 23 can drive the rotating shaft 22 to rotate.

The cambered surface has been seted up to the upper end of backup pad 34, and the upper end joint of backup pad 34 is on the lateral wall of swash plate 26, blocks swash plate 26 through backup pad 24, prevents that swash plate 26 from keeping away from quiet tooth 32.

When the rotary table 23 is driven to rotate through an external driving assembly, the rotary table 23 drives the rotary shaft 22 to rotate when rotating, the eccentric cylinder 24 is driven to rotate when the rotary shaft 22 rotates, the outer wall pushes the inside of the rotary cylinder 25 when the eccentric cylinder 24 rotates, and further the rotary cylinder 25 is driven to eccentrically swing, the inclined plate 26 is driven to swing when the rotary cylinder 25 swings, the buffer plate 28 inside the clamping groove 27 is driven to contact materials when the inclined plate 26 moves, when the inclined plate 26 is close to the static teeth 32, the buffer plate 28 is pushed by the spring 210, so that the materials are extruded by the buffer plate 28 to be uniformly spread on the static teeth 32, when the inclined plate 26 drives the movable teeth 33 to contact with the materials, only extrusion between the materials and the movable teeth 33 can be ensured, severe friction cannot occur, and the anti-stop teeth 33 are worn to cause damage to the crushing effect of the crusher.

While the basic principles of the present utility model have been shown and described, the foregoing is provided by way of illustration of a preferred embodiment of the utility model, and not by way of limitation, the foregoing embodiment and description are merely illustrative of the principles of the utility model, and any modifications, equivalents, improvements or modifications not within the spirit and scope of the utility model should be included within the scope of the utility model.

Claims (6)

1. The jaw crusher with the multistage buffering structure comprises a U-shaped frame (1), wherein an extrusion assembly (2) is arranged in the U-shaped frame (1), and a crushing assembly (3) is arranged in the U-shaped frame (1);

the method is characterized in that: the extrusion assembly (2) comprises two bearings (21), the two bearings (21) are embedded on the inner walls of the two ends of the U-shaped frame (1), the two bearings (21) are fixedly sleeved with the same rotating shaft (22), the eccentric cylinder (24) is fixedly sleeved on the surface of the rotating shaft (22), the rotating cylinder (25) is movably sleeved on the outer wall of the eccentric cylinder (24), the inclined plate (26) is fixedly connected to the outer wall of the lower end of the rotating cylinder (25), a plurality of clamping grooves (27) are formed in the inner part of the inclined plate (26) at equal intervals, buffer plates (28) are fixedly connected to one end side wall of the inner part of the clamping groove (27), a plurality of buffer plates (28) are fixedly connected with a plurality of fixing rods (29) on one end side wall of the inner part of the clamping groove (27), springs (210) are fixedly sleeved on the surface of the fixing rods (29), the plurality of the fixing rods (29) are spliced in the inner parts of a plurality of inserting holes (211), and the inserting holes (211) are formed in the surface of a plurality of fixing strips (212) and are fixedly connected to the side walls of the fixing strips (212).

2. The jaw crusher having a multistage buffering structure according to claim 1, wherein: the crushing assembly (3) comprises a fixing plate (31), the fixing plate (31) is fixedly connected to the inner wall of the U-shaped frame (1), a plurality of static teeth (32) are fixedly connected to the side wall of the other side of the fixing plate (31), the static teeth (32) and the movable teeth (33) are mutually staggered and correspond, the movable teeth (33) are fixedly connected to the inclined side wall of the inclined plate (26), and a supporting plate (34) is fixedly connected to the side wall of the lower end of the U-shaped frame (1).

3. The jaw crusher having a multistage buffering structure according to claim 1, wherein: the lengths of the plurality of buffer plates (28) extending out of the clamping grooves (27) are longer than the widths of the movable teeth (33).

4. The jaw crusher having a multistage buffering structure according to claim 1, wherein: the clamping grooves (27) are respectively arranged among the movable teeth (33).

5. The jaw crusher having a multistage buffering structure according to claim 1, wherein: both ends of the rotating shaft (22) are fixedly connected with turntables (23).

6. The jaw crusher having a multistage buffering structure according to claim 2, wherein: the upper end of the supporting plate (34) is provided with an arc surface, and the upper end of the supporting plate (34) is clamped on the side wall of the sloping plate (26).