CN113134422A

CN113134422A - Crushing and screening integrated crusher

Info

Publication number: CN113134422A
Application number: CN202110638014.6A
Authority: CN
Inventors: 张孝鑫; 杨镜良; 高展鹏
Original assignee: Guangdong Changheng Stone Industry Co ltd
Current assignee: Guangdong Changheng Stone Industry Co ltd
Priority date: 2021-06-08
Filing date: 2021-06-08
Publication date: 2021-07-20
Anticipated expiration: 2041-06-08
Also published as: CN113134422B

Abstract

The invention relates to a crushing and screening integrated crusher, which belongs to the technical field of mining equipment and comprises a rack, a crushing mechanism, a screening mechanism and a spiral conveyor, wherein the crushing mechanism, the screening mechanism and the spiral conveyor are fixed on the rack; the crushing mechanism comprises a first crushing chamber, a second crushing chamber and a third crushing chamber which are sequentially communicated from top to bottom and used for crushing; the screening mechanism comprises a plurality of roller screen meshes which are coaxially and rotatably connected, a discharge port of each roller screen mesh group is communicated with a feed port of the spiral conveyor, and a discharge port of the spiral conveyor is communicated with a crushing feed hopper of the crushing mechanism. The invention has the beneficial effects that: the crusher has three-stage crushing, so that the crushing effect is greatly improved; the crushing mechanism and the screening mechanism are of an integrated structure and are arranged from top to bottom, so that the floor area is small, the structure is more compact, and the construction cost is obviously reduced; secondary crushing and secondary screening can be carried out, and waste or accumulation of ore particles caused by insufficient screening is avoided.

Description

Crushing and screening integrated crusher

Technical Field

The invention relates to the technical field of mining equipment, in particular to a crushing and screening integrated crusher.

Background

The ore crushing device is an industrial production device which is very common in the industrial production process, and is particularly common in smelting and industrial and mining; in the related crushing work, the crushing apparatus functions to crush large hard material pieces.

When the ore crushing device is used for crushing ores into small particles, the formed particles are not uniform and need to be screened, and the required ore particles are different in size due to different purposes of the follow-up ores, so that the particles with different sizes need to be crushed; at the same time, the screening is not thorough, so that partial ore particles cannot be screened completely.

In order to solve the problems, the invention provides a crushing and screening integrated crusher.

Disclosure of Invention

In order to solve at least one of the technical problems, the invention provides a crushing and screening integrated crusher, which comprises a rack, a crushing mechanism, a screening mechanism and a screw conveyor, wherein the crushing mechanism, the screening mechanism and the screw conveyor are fixed on the rack; the crushing mechanism comprises a first crushing chamber, a second crushing chamber and a third crushing chamber which are sequentially communicated from top to bottom and used for crushing; the upper end of the first crushing chamber is connected with a crushing feed hopper, and the lower end of the third crushing chamber is connected with a discharge pipe; the screening mechanism comprises a plurality of drum screens which are coaxially and rotatably connected, and the drum screens form a drum screen group with a screening channel; the roller screen group is obliquely arranged, and the screen mesh of the roller screen positioned at a high position is smaller than the screen mesh of the roller screen positioned at a low position; a discharging hopper is correspondingly connected below each roller screen; the rotary screen group is characterized in that an opening at the high end is a feeding hole, an opening at the low end is a discharging hole, the feeding hole of the rotary screen group is communicated with a discharging pipe of the crushing mechanism, the discharging hole of the rotary screen group is communicated with the feeding hole of the screw conveyer, and the discharging hole of the screw conveyer is communicated with a crushing feed hopper of the crushing mechanism.

By adopting the structure, the crusher has three-stage crushing, so that the crushing effect is greatly improved; the crushing mechanism and the screening mechanism are of an integrated structure and are arranged from top to bottom, so that the occupied area is small, the structure is more compact, the volume of the whole device is reduced, and the construction cost is obviously reduced; can realize the function of crushing and screening simultaneously to, the ore granule that screens not thorough can carry out secondary crushing and secondary screening through the screw conveyer reentrant crushing mechanism in, avoided the screening to lead to the waste or piling up of ore granule inadequately, also improved the fault-tolerant rate of screening mechanism greatly, avoid leading to the not thorough phenomenon that appears of ore granule of screening because reasons such as individual ore granule blocks the eye.

Preferably, a broken stone plate and a broken pressing plate are arranged in the first breaking chamber; the crushing plate is fixedly arranged on one side of the first crushing chamber, and a first crushing channel is reserved between the crushing plate and the bottom plate of the first crushing chamber; the crushing pressing plate is arranged in a reciprocating linear movement mode relative to the crushed stone plate; the second crushing chamber is provided with at least one group of crushing rollers; a crushing stator and a crushing rotor are arranged in the third crushing chamber; the crushing stator is fixedly arranged and is internally provided with a conical fixed crushing surface; the crushing rotor is arranged in a rotating manner, and the excircle of the crushing rotor is provided with a conical movable crushing surface; a third crushing channel is arranged between the fixed crushing surface and the movable crushing surface; the conicity of the fixed crushing surface is smaller than that of the movable crushing surface.

Preferably, a first crushing extrusion surface between the crushing plate and the crushing pressing plate comprises a first oblique extrusion surface and a first vertical extrusion surface, and a second oblique extrusion surface corresponding to the first oblique extrusion surface and a second vertical extrusion surface corresponding to the first vertical extrusion surface are arranged on the crushing pressing plate; the crushing pressing plate is connected with a first hydraulic cylinder, and one end of the crushing pressing plate, which is connected with the first hydraulic cylinder, is conical.

Preferably, a first feed opening communicated with the first crushing channel is reserved between the first crushing chamber and the second crushing chamber, and the first feed opening is rectangular; the axial direction of the crushing roller is parallel to the long side direction of the first discharging opening.

Preferably, the first inclined pressing surface, the first vertical pressing surface, the second inclined pressing surface, the second vertical pressing surface, the fixed crushing surface and the movable crushing surface are provided with crushing protrusions.

Preferably, the lower part of the third crushing chamber is provided with a lower shell which can slide up and down; a first motor is fixed outside the lower shell and is in driving connection with the crushing rotor; the lower end of the lower shell is connected with a second hydraulic cylinder; the second hydraulic cylinder is fixed on the frame.

Preferably, the lower shell is connected with at least one guide post arranged in the vertical direction, and the crushing stator is provided with a guide hole matched with the guide post.

Preferably, the drum screen is covered with a hood; a ventilation pipe is arranged at the top in the hood, and a plurality of air nozzles facing the plurality of drum screens are arranged on the ventilation pipe; the vent tube is in communication with an external compressed air source.

Preferably, each drum screen comprises a plurality of transverse ribs and stirrups enclosing a cylindrical structure; the transverse ribs are uniformly arranged and extend along the axial direction, and the transverse ribs are positioned on the inner sides of the stirrups; the plurality of stirrups are hooped on the plurality of transverse bars.

Preferably, a material baffle is arranged in the drum screen group, and the material baffle is fixed on the screening bracket of the screening mechanism through a connecting rod and corresponds to the screening feed hopper of the drum screen group.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate exemplary embodiments of the invention and together with the description serve to explain the principles of the invention.

FIG. 1 is a schematic structural diagram of an embodiment;

FIG. 2 is a detail view of section A of FIG. 1;

FIG. 3 is a schematic structural view of the sifting mechanism;

FIG. 4 is a side view of the sifting mechanism;

in the figure: 101-frame, 102-first crushing chamber, 103-second crushing chamber, 104-third crushing chamber, 105-crushing plate, 106-crushing pressure plate, 107-first crushing channel, 108-crushing roller, 109-crushing stator, 110-crushing rotor, 111-fixed crushing surface, 112-movable crushing surface, 113-third crushing channel, 114-first inclined pressing surface, 115-first vertical pressing surface, 116-second inclined pressing surface, 117-second vertical pressing surface, 118-first hydraulic cylinder, 119-support column, 120-first discharge port, 121-crushing protrusion, 122-lower shell, 123-first motor, 124-second hydraulic cylinder, 125-guide column, 126-crushing feed hopper, 127-discharge pipe, 128-first guide plate,

201-screen support, 202-drive unit, 203-first drum screen, 204-second drum screen, 205-third drum screen, 206-discharge hopper, 207-hood, 208-ventilation pipe, 209-air nozzle, 210-transverse bar, 211-hoop bar, 212-connecting plate, 213-top plate, 214-side plate, 215-screen feed hopper, 216-striker plate, 217-connecting rod, 218-roller, 219-metal ring, 220-supporting plate, 221-first strut, 222-second strut, 223-connecting shaft, 224-screen channel, 225-second deflector,

301-third motor, 302-rotating spindle, 303-helical blade, 304-conveying housing.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and embodiments. It is to be understood that the specific embodiments described herein are for purposes of illustration only and are not to be construed as limitations of the invention. It should be noted that, for convenience of description, only the portions related to the present invention are shown in the drawings.

In addition, the embodiments of the present invention and the features of the embodiments may be combined with each other without conflict. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

As shown in fig. 1-4, a crushing and screening integrated crusher comprises a frame 101, a crushing mechanism fixed on the frame 101, a screening mechanism and a screw conveyer; the crushing mechanism comprises a first crushing chamber 102, a second crushing chamber 103 and a third crushing chamber 104 which are sequentially communicated from top to bottom and used for crushing; the upper end of the first crushing chamber 102 is connected with a crushing feed hopper 126, and the lower end of the third crushing chamber 104 is connected with a discharge pipe 127; the screening mechanism comprises a plurality of roller screens which are coaxially and rotatably connected, and the plurality of roller screens form a roller screen group with a screening channel 224; the drum screen group is obliquely arranged, and the screen mesh of the drum screen positioned at the high position is smaller than the screen mesh of the drum screen positioned at the low position; a discharging hopper 206 is correspondingly connected below each roller screen; the opening that the drum screen group is located at the high end is the feed inlet, the opening that is located the low end is the discharge gate, and the feed inlet of drum screen group and crushing mechanism's discharging pipe 127 intercommunication, the discharge gate of drum screen group and screw conveyer's feed inlet intercommunication, screw conveyer's discharge gate and crushing feeder hopper 126 intercommunication of crushing mechanism.

The embodiment of the crushing mechanism is as follows:

as shown in fig. 1 and 2, in one embodiment, a crushing plate 105 and a crushing pressure plate 106 are arranged in the first crushing chamber 102; a crushing plate 105 is fixedly arranged on one side of the first crushing chamber 102, and a first crushing channel 107 is reserved between the crushing plate and the bottom plate of the first crushing chamber 102; the crushing pressure plate 106 is arranged in a reciprocating linear movement manner relative to the crushing plate 105; the second crushing chamber 103 is provided with at least one set of crushing rollers 108; a crushing stator 109 and a crushing rotor 110 are arranged in the third crushing chamber 104; a crushing stator 109 fixedly provided, the crushing stator 109 having a tapered fixed crushing surface 111 therein; the crushing rotor 110 is rotatably arranged, and the outer circle of the crushing rotor 110 is provided with a conical movable crushing surface 112; a third crushing channel 113 is arranged between the fixed crushing surface 111 and the movable crushing surface 112; the taper of the fixed crushing surface 111 is less than that of the movable crushing surface 112.

By adopting the structure, the crushing pressure plate 106 in the first crushing chamber 102 can crush larger ores in advance, so that the ores entering the second crushing chamber 103 are prevented from being overlarge and damaging the crushing roller 108, the service life of the equipment is prolonged, and the later maintenance cost is reduced; simultaneously through tertiary crushing, carry out first order breakage in the first crushing room 102 promptly, the crushing roller 108 in the second crushing room 103 is the second grade breakage, and third crushing room 104 is the third grade breakage, has improved crushing effect greatly, has avoided the breakage insufficient.

As shown in fig. 2, in one embodiment, a first crushing pressing surface between the crushing pressure plate 106 and the crushing stone plate 105 includes a first inclined pressing surface 114 and a first vertical pressing surface 115, and the crushing pressure plate 106 is provided with a second inclined pressing surface 116 corresponding to the first inclined pressing surface 114 and a second vertical pressing surface 117 corresponding to the first vertical pressing surface 115;

in a further scheme, the inclination angle of the first inclined extrusion surface 114 and the second inclined extrusion surface 116 is 30-60 degrees; the normal directions of the first vertical pressing surface 115 and the second vertical pressing surface 117 are horizontal directions.

The oblique extrusion force is provided through the oblique effects of the first oblique extrusion surface 114 and the second oblique extrusion surface 116, so that the ore can be better extruded into the first crushing channel 107, the flowing speed of the ore is increased, and the crushing efficiency is improved; meanwhile, the mutual extrusion between the first vertical extrusion surface 115 and the second vertical extrusion surface 117 provides transverse extrusion force, and the oblique extrusion force and the transverse extrusion force are combined, so that the ore crushing difficulty and the ore crushing efficiency are reduced.

In one embodiment, the crushing pressing plate 106 is powered by hydraulic transmission, etc., in this embodiment, the first hydraulic cylinder 118 is connected to the crushing pressing plate 106, and the first hydraulic cylinder 118 drives the crushing pressing plate 106 to make a linear reciprocating motion to reduce the gap between the crushing pressing plate and the crushing plate 105, thereby completing the extrusion crushing;

and the one end that broken clamp plate 106 and first pneumatic cylinder 118 are connected is the toper, and at broken clamp plate 106 in the in-process that withdraws back, the ore of contact can be extruded through the effect of inclined plane to the conical surface, prevents that the ore from being blocked between broken clamp plate 106 and first pneumatic cylinder 118, prevents that the device from being blocked.

The first hydraulic cylinder 118 is fixed to the bottom plate of the first crushing chamber 102, and the lower end of the crushing platen 106 abuts against the bottom plate of the first crushing chamber 102; the crushing plate 105 is fixedly connected to the side wall of the first crushing chamber 102 by a support column 119.

In one embodiment, a first discharge opening 120 is left between the first crushing chamber 102 and the second crushing chamber 103 and is communicated with the first crushing channel 107, and the first discharge opening 120 is rectangular; the axial direction of the crushing roller 108 is parallel to the longitudinal direction of the first discharge opening 120; so that the ore can uniformly fall into the damaged roller, the crushing efficiency is improved, and the crushing roller 108 is prevented from being stuck.

The crushing roller 108 is provided above the crushing rotor 110, and the center line of the crushing roller 108 is aligned with the center of the crushing rotor 110, so that ore can uniformly fall into the third crushing channel 113, improving the crushing quality.

In one embodiment, the taper of the fixed crushing surface 111 is smaller than that of the movable crushing surface 112, that is, the third crushing channel 113 is wider at the top and narrower at the bottom, and the ore falls into the third crushing channel 113 to be crushed step by step, thereby improving the crushing quality.

In one embodiment, the first inclined extrusion surface 114, the first vertical extrusion surface 115, the second inclined extrusion surface 116, the second vertical extrusion surface 117, the fixed crushing surface 111 and the movable crushing surface 112 are all provided with crushing protrusions 121, the crushing protrusions 121 are hemispherical protrusions and are in point contact with ores through welding connection, and crushing difficulty is reduced.

In one embodiment, the lower part of the third crushing chamber 104 is provided with a lower shell 122 which is slidable up and down; a first motor 123 is fixed outside the lower shell 122, and the first motor 123 is in driving connection with the crushing rotor 110; the lower end of the lower housing 122 is connected with a second hydraulic cylinder 124; the second hydraulic cylinder 124 is fixed to the frame 101. The second hydraulic cylinder 124 can drive the crushing rotor 110 to move up and down while playing a supporting role, so that the size of the third crushing channel 113 can be adjusted, the size of crushed ore particles can be adjusted as required, and the application is more flexible; the first motor 123 rotates the crushing rotor 110.

In one embodiment, the lower housing 122 is connected to at least one guide post 125 disposed along a vertical direction, the crushing stator 109 is provided with a guide hole matching with the guide post 125, and the guide post 125 is slidably disposed in the guide hole for guiding and positioning.

In one embodiment, the crushing stator 109, the housing of the first crushing chamber 102, and the housing of the second crushing chamber 103 are all fixed to the frame 101, and may be fixed by bolts or the like; of course, the housing of the third crushing chamber 104 is the crushing stator 109, and the second crushing chamber 103 is composed of the housing of the first crushing chamber 102, the housing of the second crushing chamber 103 and the crushing stator 109, so that the structure is more compact, and the volume of the device is reduced.

In one embodiment, one end of the crushing hopper 126 extends out of the first crushing chamber 102, below the discharge port of the screw conveyor, and the other end extends into the first crushing chamber 102; the lower end of third crushing chamber 104 is connected to a discharge pipe 127, and crushed ore particles in third crushing chamber 104 are introduced into discharge pipe 127 through a first guide plate 128, and all flow out through discharge pipe 127.

The embodiment of the sieving mechanism is as follows:

as shown in fig. 3 and 4, in one embodiment, a hood 207 is covered on the drum screen; a ventilation pipe 208 is arranged at the top in the hood 207, and a plurality of air nozzles 209 opposite to a plurality of drum screens are arranged on the ventilation pipe 208; the vent 208 communicates with an external compressed air source.

Adopt this kind of structure, drive arrangement 202 drives the rotation of drum screen cloth group for building stones sieves in the roll, and screening efficiency is higher, sets up air nozzle 209 in the upper end of drum screen cloth simultaneously, can inwards spout high-pressure gas, sweeps the building stones of card on the drum screen cloth, prevents that the eye from blockking up, improves screening efficiency.

In one embodiment, each drum screen includes a plurality of transverse ribs 210 and stirrups 211 enclosing a cylindrical structure; the plurality of transverse ribs 210 are uniformly arranged and extend along the axial direction, and the plurality of transverse ribs 210 are positioned at the inner sides of the plurality of stirrups 211; the plurality of stirrups 211 are hooped on the plurality of transverse ribs 210, and the stirrups 211 and the transverse ribs 210 are perpendicular to each other and are in an annular structure.

The roller screen can be formed by welding reinforcing steel bars, so that the processing cost is lower, and the popularization is facilitated; meanwhile, the transverse ribs 210 arranged along the axial direction can play a role in guiding, so that the sliding of stones is facilitated, and the stockpiling is prevented.

It is worth noting that the stirrups 211 not only serve to provide the function of the stirrups 211, but also can be used to adjust the size of the mesh, the denser the stirrups 211, the smaller the size of the mesh.

In a further scheme, a connecting plate 212 is arranged between adjacent drum screens, and the inner diameter of the connecting plate 212 is equal to that of the drum screens. The connecting plate 212 and the adjacent transverse rib 210 can be connected through welding to play a role of transition support.

In one embodiment, the trommel screen set includes a first trommel screen 203, a second trommel screen 204 and a third trommel screen 205; the inner diameter of the first roller screen 203 is less than or equal to the inner diameter of the second roller screen 204, and the inner diameter of the second roller screen 204 is less than or equal to the inner diameter of the third roller screen 205; the mesh of the first drum screen 203 is smaller than the mesh of the second drum screen 204 and the mesh of the second drum screen 204 is smaller than the mesh of the third drum screen 205.

Of course, three discharging hoppers 206 corresponding to the drum screens are provided, and are respectively provided corresponding to the first drum screen 203, the second drum screen 204 and the third drum screen 205, and the grain sizes of stones screened by the first drum screen 203, the second drum screen 204 and the third drum screen 205 are sequentially increased.

In one embodiment, both ends of the drum screen group are arranged in a penetrating way; a screening feed hopper 215 is arranged in the feed inlet, and a discharge outlet is connected with a discharge hopper 206.

The lower end of the screening feed hopper 215 extends into the drum screen group, the rotation of the drum screen group cannot be influenced, and the upper end of the screening feed hopper is provided with a funnel; the discharge hole of the drum screen group is communicated with the feed inlet of the screw conveyer through a second guide plate 225, so that the largest part of stones which are not screened out are collected and are fed to a crushing mechanism for secondary crushing in the later period, and insufficient screening and crushing are avoided.

In a further scheme, a material baffle plate 216 is arranged in the drum screen group, and the material baffle plate 216 is fixed on the screening bracket 201 through a connecting rod 217 and corresponds to the screening feed hopper 215. The stone falling from the screening feed hopper 215 first impacts the striker plate 216 to offset the impact force of the falling, thereby preventing the stone from passing through the screening channel 224 quickly and improving the screening quality.

In one embodiment, the hood 207 includes a top panel 213, two side panels 214 connected to both sides of the top panel 213; the ventilation pipe 208 is fixed to the lower end of the top plate 213; two curb plates 214 are fixed in screening support 201, and the building stones granule that is thrown away can be blockked to aircraft bonnet 207, avoids the polluted environment, improves operational environment's travelling comfort, also guarantees simultaneously that the building stones are whole to be retrieved.

In a further solution, the edges of the lower hopper 206 extend and abut against the inner walls of the two side plates 214, so that the stone particles blocked by the hood 207 can fall into the hopper completely and be recovered.

In one embodiment, the drive 202 includes a second motor and at least four rollers 218; at least four rollers 218 are frictionally drivingly connected to the outer circumference of the trommel screen group; the second motor is drivingly connected to at least one of the rollers 218.

The excircle of the roller 218 is made of rubber and the like, a cylindrical metal ring 219 is arranged at the part of the drum screen group, which is in contact with the roller 218, the metal ring 219 has no screen mesh, the drum screen group is driven to rotate by the friction between the roller 218 and the drum screen group, and compared with a driving structure that a second motor is directly connected with a central rotating shaft, the stone material circulating quantity is increased, and the blocking is avoided;

it should be noted that the rollers 218 on the same side can be coaxially and fixedly connected through the connecting shaft 223, wherein the roller 218 on one side is a driving wheel and is in driving connection with the second motor, and the roller 218 on the other side is a driven wheel and follows the rotation.

In one embodiment, the screen support 201 comprises a support plate 220, a first support 221 and a second support 222 connected below the support plate 220, the screen support 201 is fixed to the frame 101 through the first support 221 and the second support 222; the height of the first leg 221 is greater than the height of the second leg 222; at least one of first pillar 221 and second pillar 222 is hydraulic telescoping rod or electric telescopic handle or pneumatic telescopic rod, and in this embodiment, second pillar 222 adopts hydraulic telescoping rod or electric telescopic handle or pneumatic telescopic handle, through the inclination of the adjustable cylinder screen cloth of telescopic link structure, and then adjusts the speed of passing through of building stones, guarantees that the building stones screening is abundant, uses more in a flexible way.

The embodiment of the screw conveyor is as follows:

the screw conveyor includes a third motor 301, a rotating main shaft 302, a screw blade 303, and a conveying housing 304; the third motor 301 is fixed on the frame 101, and the third motor 301 is in driving connection with the rotating main shaft 302 and drives the rotating main shaft 302 to rotate; the helical blade 303 is synchronously and rotatably connected with the rotating main shaft 302; the conveying shell 304 is covered outside the helical blade 303; the discharge port and the feed port of the screw conveyor are arranged on the conveying shell 304;

in one embodiment, the rotating main shaft 302 is vertically or obliquely arranged, and is vertically arranged in the figure, the discharge port of the screw conveyor is positioned below the feed port, the discharge port is communicated with the discharge port of the sieving mechanism, and the upper end of the screw conveyor is provided with a flow guide pipe which is transversely arranged, so that the discharge port of the screw conveyor is positioned above the crushing feed hopper 126 of the crushing mechanism;

screw conveyer can carry into crushing mechanism with the insufficient ore granule of breakage and screening, carries out secondary crushing and secondary screening, avoids extravagant material.

In the description herein, reference to the description of the terms "one embodiment/mode," "some embodiments/modes," "example," "specific example," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment/mode or example is included in at least one embodiment/mode or example of the application. In this specification, the schematic representations of the terms used above are not necessarily intended to be the same embodiment/mode or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments/modes or examples. Furthermore, the various embodiments/aspects or examples and features of the various embodiments/aspects or examples described in this specification can be combined and combined by one skilled in the art without conflicting therewith.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present application, "plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

It will be understood by those skilled in the art that the foregoing embodiments are merely for clarity of description and are not intended to limit the scope of the invention. Other variations or modifications will occur to those skilled in the art based on the foregoing disclosure and are within the scope of the invention.

Claims

1. The utility model provides a broken screening integral type breaker which characterized in that: comprises a frame (101), a crushing mechanism, a screening mechanism and a screw conveyer, wherein the crushing mechanism, the screening mechanism and the screw conveyer are fixed on the frame (101);

the crushing mechanism comprises a first crushing chamber (102), a second crushing chamber (103) and a third crushing chamber (104) which are sequentially communicated from top to bottom and used for crushing;

the upper end of the first crushing chamber (102) is connected with a crushing feed hopper (126), and the lower end of the third crushing chamber (104) is connected with a discharge pipe (127);

the screening mechanism comprises a plurality of drum screens which are coaxially and rotatably connected, and the plurality of drum screens form a drum screen group with a screening channel (224); the roller screen group is obliquely arranged, and the screen mesh of the roller screen positioned at a high position is smaller than the screen mesh of the roller screen positioned at a low position;

a discharging hopper (206) is correspondingly connected below each roller screen;

the rotary screen group is characterized in that an opening at the high end is a feeding hole, an opening at the low end is a discharging hole, the feeding hole of the rotary screen group is communicated with a discharging pipe (127) of the crushing mechanism, the discharging hole of the rotary screen group is communicated with the feeding hole of the screw conveyor, and the discharging hole of the screw conveyor is communicated with a crushing feed hopper (126) of the crushing mechanism.

2. The crushing and screening integrated crusher of claim 1, wherein: a crushing plate (105) and a crushing pressing plate (106) are arranged in the first crushing chamber (102); the crushing plate (105) is fixedly arranged on one side of the first crushing chamber (102), and a first crushing channel (107) is reserved between the crushing plate and a bottom plate of the first crushing chamber (102); the crushing pressure plate (106) is arranged in a reciprocating linear movement mode relative to the crushed stone plate (105);

the second crushing chamber (103) is provided with at least one group of crushing rollers (108);

a crushing stator (109) and a crushing rotor (110) are arranged in the third crushing chamber (104); the crushing stator (109) is fixedly arranged, and a conical fixed crushing surface (111) is arranged in the crushing stator (109); the crushing rotor (110) is arranged in a rotating way, and the outer circle of the crushing rotor (110) is provided with a conical movable crushing surface (112); a third crushing channel (113) is arranged between the fixed crushing surface (111) and the movable crushing surface (112);

the conicity of the fixed crushing surface (111) is smaller than that of the movable crushing surface (112).

3. The crushing and screening integrated crusher of claim 2, wherein: a first crushing extrusion surface between the crushing plate (105) and the crushing pressing plate (106) comprises a first inclined extrusion surface (114) and a first vertical extrusion surface (115), and the crushing pressing plate (106) is provided with a second inclined extrusion surface (116) corresponding to the first inclined extrusion surface (114) and a second vertical extrusion surface (117) corresponding to the first vertical extrusion surface (115);

the crushing pressing plate (106) is connected with a first hydraulic cylinder (118), and one end, connected with the first hydraulic cylinder (118), of the crushing pressing plate (106) is conical.

4. The crushing and screening integrated crusher of claim 2, wherein: a first discharge opening (120) communicated with the first crushing channel (107) is reserved between the first crushing chamber (102) and the second crushing chamber (103), and the first discharge opening (120) is rectangular; the axial direction of the crushing roller (108) is parallel to the longitudinal direction of the first discharge opening (120).

5. The crushing and screening integrated crusher of claim 3, wherein: and crushing protrusions (121) are arranged on the first inclined extrusion surface (114), the first vertical extrusion surface (115), the second inclined extrusion surface (116), the second vertical extrusion surface (117), the fixed crushing surface (111) and the movable crushing surface (112).

6. The crushing and screening integrated crusher of claim 2, wherein: a lower shell (122) capable of sliding up and down is arranged at the lower part of the third crushing chamber (104);

a first motor (123) is fixed outside the lower shell (122), and the first motor (123) is in driving connection with the crushing rotor (110); the lower end of the lower shell (122) is connected with a second hydraulic cylinder (124); the second hydraulic cylinder (124) is fixed to the frame (101).

7. The crushing and screening integrated crusher of claim 6, wherein: the lower shell (122) is connected with at least one guide post (125) arranged in the vertical direction, and the crushing stator (109) is provided with a guide hole matched with the guide post (125).

8. The crushing and screening integrated crusher of claim 1, wherein: a hood (207) is covered on the drum screen; a ventilation pipe (208) is arranged at the top in the hood (207), and a plurality of air nozzles (209) facing the plurality of drum screens are arranged on the ventilation pipe (208); the vent tube (208) is in communication with an external compressed air source.

9. The crushing and screening integrated crusher of claim 8, wherein: each drum screen comprises a plurality of transverse ribs (210) and stirrups (211) which enclose a cylindrical structure; the transverse ribs (210) are uniformly arranged and extend along the axial direction, and the transverse ribs (210) are positioned on the inner sides of the stirrups (211); the plurality of stirrups (211) are hooped on the plurality of transverse ribs (210).

10. The crushing and screening integrated crusher of claim 8, wherein: a material baffle (216) is arranged in the drum screen group, and the material baffle (216) is fixed on a screening bracket (201) of the screening mechanism through a connecting rod (217) and corresponds to a screening feed hopper (215) of the drum screen group.