CN210410864U

CN210410864U - Jaw crusher

Info

Publication number: CN210410864U
Application number: CN201920868529.3U
Authority: CN
Inventors: 张浩章
Original assignee: Guangzhou Shaoshen Machinery Equipment Co Ltd
Current assignee: Guangzhou Shaoshen Machinery Equipment Co Ltd
Priority date: 2019-06-10
Filing date: 2019-06-10
Publication date: 2020-04-28
Anticipated expiration: 2029-06-10

Abstract

The application relates to a jaw crusher, which comprises a frame, a movable jaw, a fixed jaw and a movable jaw, wherein the lower end of the movable jaw is connected with an adjusting seat and a spring seat, and the upper end of the movable jaw is connected with a flywheel through an eccentric shaft; the fixed jaw plate is fixed on the rack through a sliding rail in a way of being capable of moving along the vertical direction, and the fixed jaw plate and the movable jaw plate are arranged oppositely to form a crushing cavity; the rack is provided with a driving assembly for driving the fixed jaw plate to move, the fixed jaw plate is provided with a first convex edge perpendicular to the feeding direction, and the movable jaw plate is provided with a second convex edge along the feeding direction; a first water cooling pipeline is arranged between the fixed jaw plate and the rack, and a second water cooling pipeline is arranged between the movable jaw plate and the movable jaw. By the arrangement, the size of the crushed material is convenient to adjust while the structural stability is ensured, the crushing effect and the crushing speed are improved, the hard material is convenient to crush, and the kinetic energy loss is favorably reduced; and can reduce the heating of fixed jaw and activity jaw, improve structural stability.

Description

Jaw crusher

Technical Field

The application relates to the technical field of crushing equipment, and more particularly relates to a jaw crusher.

Background

Jaw crusher is commonly called as jaw crusher, also called as tiger mouth, and finishes the crushing operation of materials by simulating the movement of two jaws of animals. The crusher is widely applied to crushing of various ores and large materials in the industries of mine smelting, building materials, highways, railways, water conservancy, chemical engineering and the like.

The working part of the existing jaw crusher is structurally characterized in that two jaw plates and a fixed jaw plate are vertically fixed on the front wall of a crusher body; a movable jaw plate connected with the driving of the machine body, the position of the movable jaw plate is inclined, and a crushing cavity with a large upper part and a small lower part is formed by the movable jaw plate and the fixed jaw plate. The movable jaw plate makes periodic reciprocating motion opposite to the fixed jaw plate, and the movable jaw plate is separated from the fixed jaw plate and approaches the fixed jaw plate; the material enters the crushing cavity from an opening above the crushing cavity and is crushed by the extrusion, bending and splitting actions of the jaw plates.

In the actual work process, take place violent friction between swing jaw, the fixed jaw and the material, cause swing jaw and fixed jaw to generate heat, after long-time work, parts such as bearing, pneumatic cylinder installed on swing jaw can receive this heat influence and reduce whole jaw breaker's life.

And current jaw breaker efficiency is not high when work, can not require according to the regulation to carry out breakage evenly, and the inconvenient broken size of adjusting, and traditional broken size is adjusted through the position that changes fixed jaw to increase or reduce the horizontal distance of fixed jaw and activity jaw, but be the horizontal application of force during the breakage, cause the fixed insecure of adjustable fixed jaw easily, have the potential safety hazard.

Therefore, how to solve the problems of serious heat generation, low crushing efficiency, inconvenient adjustment of crushing size and poor structural stability of the existing jaw crusher is a key technical problem to be solved by technical personnel in the field.

SUMMERY OF THE UTILITY MODEL

For overcoming the problem that exists in the correlation technique at least to a certain extent, the object of this application is to provide a jaw crusher, and it can solve current jaw crusher and generate heat seriously, and crushing efficiency is low, is not convenient for adjust broken size, the poor problem of structural stability.

The application provides a jaw crusher, which comprises a rack, a movable jaw, a fixed jaw and a movable jaw, wherein the movable jaw, the fixed jaw and the movable jaw are positioned in the rack, the lower end of the movable jaw is connected with an adjusting seat through a toggle plate and is connected with a spring seat through a pull rod, the upper end of the movable jaw is connected with a flywheel through an eccentric shaft, the adjusting seat, the spring seat and the flywheel are all fixed on the rack, and the movable jaw is obliquely arranged in the rack and reciprocates under the driving of the flywheel; the movable jaw plate is fixed on the movable jaw, the fixed jaw plate is fixed on the rack in a manner of being capable of moving along the vertical direction through a sliding rail, the fixed jaw plate and the movable jaw plate are oppositely arranged and form a crushing cavity with a large upper part and a small lower part, and a driving assembly for driving the fixed jaw plate to move along the vertical direction is arranged on the rack; a first convex edge is arranged on one side, facing the movable jaw, of the fixed jaw, the extending direction of the first convex edge is perpendicular to the feeding direction, a second convex edge is arranged on one side, facing the fixed jaw, of the movable jaw, and the extending direction of the second convex edge is consistent with the feeding direction; a first water cooling pipeline which is attached to the fixed jaw plate is arranged between the fixed jaw plate and the rack, and a second water cooling pipeline which is attached to the movable jaw plate is arranged between the movable jaw plate and the movable jaw.

Preferably, the driving assembly is a vertically arranged hydraulic cylinder, the hydraulic cylinder is fixed on the rack, and the movable end of the hydraulic cylinder is connected with the fixed jaw plate.

Preferably, the driving assembly comprises a motor and a screw nut, and the motor is connected with the fixed jaw through the screw nut and drives the fixed jaw to move along the vertical direction.

Preferably, the slide rail is arranged on a T-shaped clamping groove in the rack, the two clamping grooves are oppositely arranged and extend in the vertical direction, sliding blocks matched with the clamping grooves are respectively arranged on two sides of the fixed jaw plate, and the sliding blocks are embedded in the clamping grooves and slide along the clamping grooves.

Preferably, a limiting device used for limiting the displacement of the fixed jaw along the vertical direction is arranged between the fixed jaw and the frame.

Preferably, a first groove is formed between adjacent first ribs, and the cross-sectional area of the first groove gradually increases in a direction away from the fixed jaw.

Preferably, a second groove is formed between the adjacent second ribs, and the cross-sectional area of the second groove gradually increases in the direction away from the movable jaw.

Preferably, the lower end of the crushing cavity is provided with an air suction device, and the air suction device is fixed on the rack.

Preferably, the first water-cooling pipeline and the second water-cooling pipeline are both spirally arranged.

Preferably, the fixed jaw and the movable jaw are made of corundum.

The technical scheme provided by the application can comprise the following beneficial effects:

because the fixed jaw plate is vertically arranged and the movable jaw plate is obliquely arranged, the minimum distance and the maximum distance between the lower end of the fixed jaw plate and the movable jaw plate can be changed by adjusting the position of the fixed jaw plate in the vertical direction, when materials are crushed, the movable jaw plate is close to the fixed jaw plate to crush the materials, so that the horizontal stress of the movable jaw plate and the fixed jaw plate is larger, and because the fixed jaw plate is fixed close to the rack and a connecting structure does not exist between the fixed jaw plate and the rack, the structural stability of the jaw crusher can be improved, and potential safety hazards are prevented;

a first water cooling pipeline is arranged between the fixed jaw plate and the rack, the first water cooling pipeline is attached to the fixed jaw plate and used for cooling the fixed jaw plate, a second water cooling pipeline is arranged between the movable jaw plate and the jaw plate, the second water cooling pipeline is attached to the movable jaw plate and used for cooling the movable jaw plate, and the problem that the crushing effect is influenced due to the fact that the fixed jaw plate and the movable jaw plate generate high temperature due to friction and even are deformed due to stress can be solved;

when broken material, through the interact of first bead and second bead, both can be with the horizontal breakage of material, can be with the vertical breakage of material again, and then promote crushing effect, be favorable to promoting broken speed, promote output, moreover, first bead and second bead can increase broken pressure, are convenient for with the stereoplasm material breakage, are favorable to reducing the kinetic energy loss.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the application.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present application and together with the description, serve to explain the principles of the application.

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural view of the present jaw crusher shown in accordance with some exemplary embodiments;

FIG. 2 is a transverse cross-sectional view of a rail shown in accordance with some exemplary embodiments;

fig. 3 is a longitudinal cross-sectional view of a stationary jaw shown in accordance with some exemplary embodiments.

In the figure: 1-a frame, 2-a movable jaw, 3-a fixed jaw, 4-a movable jaw, 5-an eccentric shaft, 6-a flywheel, 7-an adjusting seat, 8-a spring seat, 9-a driving component, 10-a first water-cooling pipeline and 11-a second water-cooling pipeline.

Detailed Description

Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present application. Rather, they are merely examples of apparatus or methods consistent with aspects of the present application.

In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail below. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

Hereinafter, embodiments will be described with reference to the drawings. The embodiments described below do not limit the scope of the invention described in the claims. Further, the entire contents of the configurations shown in the following embodiments are not limited to those necessary as a solution of the invention described in the claims.

Referring to fig. 1 to 3, the present embodiment provides a jaw crusher, including a frame 1, a movable jaw 2, a flywheel 6, an adjusting seat 7, a spring seat 8, a fixed jaw 3, and a movable jaw 4, wherein a lower end of the movable jaw 2 is connected to the adjusting seat 7 through a toggle plate, a lower end of the movable jaw 2 is further connected to the spring seat 8 through a pull rod, and an upper end of the movable jaw 2 is connected to an eccentric shaft 5 and is driven by the eccentric shaft 5 and the flywheel 6, so that the movable jaw 2 can reciprocate in the frame 1 under the driving of the flywheel 6, so as to crush materials by the movement of the movable jaw 2.

Here, movable jaw 4 slope is fixed on moving jaw 2, and movable jaw 4 can be along with moving jaw 2 and be reciprocating motion, and fixed jaw 3 is vertical to be fixed in frame 1, movable jaw 4 and fixed jaw 3 set up relatively in frame 1, and form the broken chamber that is used for broken material between movable jaw 4 and fixed jaw 3, because fixed jaw 3 is vertical to be set up, movable jaw 4 slope sets up, make this broken chamber be big-end-up's structure, moreover, movable jaw 4 is along with moving jaw 2 and is reciprocating motion, through changing the interval between movable jaw 4 and the fixed jaw 3, in order to realize the extrusion and the breakage to the material. The flywheel 6, the adjusting seat 7 and the spring seat 8 are all fixed on the frame 1, and the frame 1 can be of an integrated structure, so that the frame 1 is prevented from being loosened during crushing.

Fixed jaw 3 passes through the slide rail to be fixed in frame 1, and fixed jaw 3 can follow vertical direction displacement for frame 1, because 3 vertical settings of fixed jaw, the setting of 4 slopes of movable jaw, through the position of adjusting 3 vertical directions of fixed jaw, can change minimum distance and the maximum distance between the lower extreme of fixed jaw 3 and movable jaw 4. When the fixed jaw plate 3 moves upwards, the distance between the lower end of the fixed jaw plate 3 and the movable jaw plate 4 is increased, so that the diameter of the crushed material can be increased; when the fixed jaw 3 moves downwards, the distance between the lower end of the fixed jaw 3 and the movable jaw 4 is reduced, and the diameter of the crushed material can be reduced. When broken material, movable jaw 4 is close to fixed jaw 3 and through approximate horizontally power with the material breakage, causes movable jaw 4 and fixed jaw 3's horizontal atress great, because fixed jaw 3 is close to frame 1 fixed, and does not have connection structure between fixed jaw 3 and frame 1, consequently, can promote the structure steadiness of this jaw breaker, prevents to take place the potential safety hazard.

Wherein, for the position of convenient control fixed jaw 3 for movable jaw 4, be provided with drive assembly 9 in frame 1, this drive assembly 9 is used for driving fixed jaw 3 and follows vertical direction displacement, when this drive assembly 9 implements the drive, fixed jaw 3 is for frame 1 along the displacement downwards or upwards in the vertical direction, when this drive assembly 9 stops the drive, fixed jaw 3 is fixed on frame 1, and static for frame 1, like this, conveniently adjust the size of broken material through this drive assembly 9, and is convenient and fast, time saving and labor saving, safety and stability.

Meanwhile, a first water cooling pipeline 10 is arranged between the fixed jaw plate 3 and the frame 1, the first water cooling pipeline 10 is attached to the fixed jaw plate 3 and used for cooling the fixed jaw plate 3, a second water cooling pipeline 11 is arranged between the movable jaw plate 4 and the movable jaw 2, and the second water cooling pipeline 11 is attached to the movable jaw plate 4 and used for cooling the movable jaw plate 4; wherein, first water-cooling pipeline 10 and second water-cooling pipeline 11 and water tank intercommunication control water through the water pump along first water-

cooling pipeline

10 and 11 circulations of second water-cooling pipeline to the realization is to the cooling of fixed jaw 3 and movable jaw 4, and then prevents that fixed jaw 3 and movable jaw 4 from producing high temperature because of the friction, and the atress warp even influences crushing effect's problem.

It should be noted that, a groove may be formed in the frame 1 or the fixed jaw 3 to allow the first water-cooling pipeline 10 to extend and be fixed, and a groove may be formed in the movable jaw 2 or the movable jaw 4 to allow the second water-cooling pipeline 11 to extend and be fixed, where the groove does not affect the fixing stability of the fixed jaw 3 and the movable jaw 4.

Moreover, a first convex rib is arranged on one side of the fixed jaw 3 facing the movable jaw 4, the extending direction of the first convex rib is perpendicular to the feeding direction, and the first convex rib extends along the horizontal direction due to the vertical arrangement of the fixed jaw 3; one side that movable jaw 4 was fixed jaw 3 is provided with the second bead towards, the extending direction of second bead is unanimous with the direction of feed, wherein, the direction of feed is the direction of upper end to the lower extreme in broken chamber, thus, make first bead and second bead mutually perpendicular, when broken material, through the interact of first bead and second bead, both can be with the material level breakage, again can be with the vertical breakage of material, and then promote crushing effect, be favorable to promoting broken speed, and the increase of output, and, first bead and second bead can increase broken pressure, be convenient for with the stereoplasm material breakage, be favorable to reducing the kinetic energy loss.

It can be understood that the first bead that the level set up can also slow down the speed that the material flows out by broken chamber, and then promotes crushing effect, prevents that movable jaw 4 from spilling by broken chamber when keeping away from the direction motion of fixed jaw 3.

By the arrangement, the jaw crusher ensures structural stability, is convenient to adjust the size of the crushed material, has a good crushing effect, is beneficial to improving the crushing speed and the yield, is convenient to crush hard materials, and is beneficial to reducing kinetic energy loss; moreover, the heat generation of the fixed jaw 3 and the movable jaw 4 can be reduced, and the structural stability is improved.

In this embodiment, drive assembly 9 sets up to the pneumatic cylinder, and this pneumatic cylinder is vertical to be fixed in frame 1 to the expansion end and the fixed jaw 3 of pneumatic cylinder are connected, and like this, through the position of control pneumatic cylinder expansion end, can realize adjusting fixed jaw 3 for the vertical position of frame 1, stable in structure, convenient operation. For structural symmetry, two hydraulic cylinders may be provided, one on each side of the fixed jaw 3, to help prevent the fixed jaw 3 from tipping over.

Of course, the drive assembly 9 may also be configured as a motor and a spindle nut, the motor being connected to the fixed jaw 3 via the spindle nut, the spindle extending in the vertical direction, and the motor being configured as a stepping motor. Under the rotation effect of motor, screw nut converts the rotation kinetic energy of motor into line type kinetic energy to drive fixed jaw 3 along vertical direction displacement, so, the structure is firm, is convenient for adjust.

Wherein, as shown in fig. 2, the slide rail is the T-shaped slot that sets up in frame 1, and the draw-in groove is provided with two relatively and extends along vertical direction, and the both sides of fixed jaw 3 are provided with respectively with draw-in groove matched with slider, and the shape of slider sets up to the T type, like this, the slider can inlay in the draw-in groove, and slide along the draw-in groove. Wherein, the structure of draw-in groove and fixture block is located fixed jaw 3's both sides, is favorable to making fixed jaw 3 and frame 1 closely laminate fixedly, and increase frame 1 is to the holding power of fixed jaw 3 horizontal direction, and then promotes the steadiness of structure.

In order to prevent the fixed jaw 3 from sliding downwards along the sliding rail under the action of gravity, a limiting device is arranged between the rack 1 and the fixed jaw 3 and used for limiting the displacement of the fixed jaw 3 along the vertical direction, specifically, the limiting device can be provided with a lock pin penetrating into the rack 1 and the fixed jaw 3 and can also be a buckle abutting against the lower end face of the fixed jaw 3, and the limiting device is not specifically limited here.

In this embodiment, form first recess between the adjacent first bead, the cross-sectional area of first recess is crescent along the direction of keeping away from fixed jaw 3, like this, can prevent that the material from blocking between adjacent first bead when the breakage, and then is favorable to promoting crushing effect.

Of course, form the second recess between the adjacent second bead, the cross-sectional area of second recess is along keeping away from the direction of swing jaw 4 crescent, like this, can prevent that the material from blocking between adjacent second bead when the breakage, and then is favorable to promoting crushing effect.

Specifically, can set up first recess and second recess into the arc wall of level and smooth setting, the cambered surface of arc wall sets into the smooth surface to the material of being not convenient for persists.

In some embodiments, be provided with the device that induced drafts at the lower extreme in broken chamber, this device that induced drafts is used for absorbing the dust that produces when the material is broken, helps reducing volatilizing of dust, and in addition, the device that induced drafts is fixed in frame 1 for the device that induced drafts is fixed comparatively firm, and specifically, this device that induced drafts sets up to the air exhauster.

In order to promote the cooling effect of first water-cooling pipeline 10 and second water-cooling pipeline 11, all spiral the setting with first water-cooling pipeline 10 and second water-cooling pipeline 11, like this, can increase the area of contact of first water-cooling pipeline 10 and fixed jaw 3 to and the area of contact of second water-cooling pipeline 11 and movable jaw 4, be favorable to promoting cooling efficiency, prevent fixed jaw 3 and movable jaw 4 high temperature.

In this embodiment, set up fixed jaw 3 and swing jaw 4 into the corundum material, because the hardness of corundum is big, can make jaw breaker have better crushing effect, also make fixed jaw 3 and swing jaw 4 more wear-resisting simultaneously, the chemical property of corundum is more stable than the metal in addition, is difficult to take place the reaction with the material, has prolonged the life of this jaw breaker.

It should be noted that the terms "first," "second," and the like, as used herein, are not intended to limit the specific order, but merely to distinguish one element or function from another. The expressions "horizontal", "vertical", "up" and "down" refer to the jaw crusher when it is in the position as shown in fig. 1.

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

It is understood that the same or similar parts in the above embodiments may be mutually referred to, and the same or similar parts in other embodiments may be referred to for the content which is not described in detail in some embodiments.

Although embodiments of the present application have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present application, and that variations, modifications, substitutions and alterations may be made to the above embodiments by those of ordinary skill in the art within the scope of the present application.

Claims

1. A jaw crusher is characterized by comprising a rack (1), a movable jaw (2) positioned in the rack (1), a fixed jaw plate (3) and a movable jaw plate (4), wherein the lower end of the movable jaw (2) is connected with an adjusting seat (7) through a toggle plate and is connected with a spring seat (8) through a pull rod, the upper end of the movable jaw (2) is connected with a flywheel (6) through an eccentric shaft (5), the adjusting seat (7), the spring seat (8) and the flywheel (6) are all fixed on the rack (1), and the movable jaw (2) is obliquely arranged in the rack (1) and reciprocates under the drive of the flywheel (6); the movable jaw plate (4) is fixed on the movable jaw (2), the fixed jaw plate (3) is fixed on the rack (1) through a sliding rail in a manner of being capable of moving along the vertical direction, the fixed jaw plate (3) and the movable jaw plate (4) are arranged oppositely to form a crushing cavity with a large upper part and a small lower part, and a driving assembly (9) for driving the fixed jaw plate (3) to move along the vertical direction is arranged on the rack (1); a first convex edge is arranged on one side, facing the movable jaw (4), of the fixed jaw (3), the extending direction of the first convex edge is perpendicular to the feeding direction, a second convex edge is arranged on one side, facing the fixed jaw (3), of the movable jaw (4), and the extending direction of the second convex edge is consistent with the feeding direction; fixed jaw board (3) with be provided with between frame (1) with fixed jaw board (3) first water-cooling pipeline (10) of laminating mutually, movable jaw board (4) with move between jaw (2) be provided with second water-cooling pipeline (11) that movable jaw board (4) laminated mutually.

2. Jaw crusher according to claim 1, characterized in that the driving assembly (9) is a vertically arranged hydraulic cylinder, which is fixed to the frame (1) and the movable end of which is connected to the fixed jaw (3).

3. Jaw crusher according to claim 1, characterized in that the drive assembly (9) comprises a motor and a lead screw nut, by means of which the motor is connected to the fixed jaw (3) and drives the fixed jaw (3) in a vertical position.

4. The jaw crusher of claim 1, characterized in that the slide rails are T-shaped slots provided on the frame (1), two slots are provided opposite each other and extend in a vertical direction, and two sides of the fixed jaw (3) are respectively provided with a slide block which is matched with the slots, and the slide block is embedded in and slides along the slots.

5. Jaw crusher according to claim 4, characterized in that between the fixed jaw (3) and the frame (1) there is arranged a limiting device for limiting the displacement of the fixed jaw (3) in the vertical direction.

6. Jaw crusher as claimed in claim 1, characterised in that first grooves are formed between adjacent first ridges, the cross-sectional area of said first grooves increasing in a direction away from the fixed jaw (3).

7. Jaw crusher as claimed in claim 1, characterised in that between adjacent second ridges there are formed second grooves, the cross-sectional area of which gradually increases in a direction away from the movable jaw (4).

8. Jaw crusher according to claim 1, characterized in that the lower end of the crushing chamber is provided with suction means, which suction means are fixed to the frame (1).

9. Jaw crusher according to claim 1, characterized in that the first water cooled pipe (10) and the second water cooled pipe (11) are both arranged spirally.

10. Jaw crusher according to claim 1, characterized in that the fixed jaw (3) and the movable jaw (4) are provided in corundum.