CN214020989U

CN214020989U - Double-cavity jaw crusher

Info

Publication number: CN214020989U
Application number: CN202023061669.1U
Authority: CN
Inventors: 汪建新; 韩欢师; 李振亮; 杜林雨; 黄璇; 闫冰夷; 张煜; 霍桂枝; 韩玮; 李红宇
Original assignee: Inner Mongolia Xingsheng Engineering Technology Co ltd; Inner Mongolia University of Science and Technology
Current assignee: Inner Mongolia Xingsheng Engineering Technology Co ltd; Inner Mongolia University of Science and Technology
Priority date: 2020-12-18
Filing date: 2020-12-18
Publication date: 2021-08-24
Anticipated expiration: 2030-12-18

Abstract

The utility model discloses a two-chamber jaw breaker relates to crushing equipment technical field, which comprises a frame, install in the frame and move jaw and jaw, the bottom one side of moving jaw is connected with rocker mechanism, rocker mechanism is including installing the first fixed axle in the frame, move and install the second fixed axle on the jaw, it has first connecting rod to articulate between first fixed axle and the second fixed axle, the top of moving jaw is connected with crank drive mechanism, the wheel carrier is installed at the frame top, be equipped with the guide pulley groove on the wheel carrier, the guide pulley is installed to the guide pulley inslot, the top rigid coupling of moving jaw has the third fixed axle, the third fixed axle is connected with the coaxial rotation of guide pulley, crank drive mechanism includes first motor, be connected with the eccentric wheel in the drive shaft of first motor, it has the second connecting rod to articulate between eccentric wheel and the third fixed axle. The utility model provides an among the prior art jaw breaker the big technical problem of energy consumption that exists at the in-process of power input, the utility model discloses driven energy consumption, the wearing and tearing of spare part have effectively been reduced.

Description

Double-cavity jaw crusher

Technical Field

The utility model relates to a crushing equipment technical field, in particular to two-chamber jaw crusher.

Background

In mineral separation production, the influence of a crushing process on the quality of minerals is great, so that a crusher becomes an indispensable production element as main mechanical equipment. The jaw crusher is simple in structure and convenient to maintain, and can be widely applied to mineral separation crushing engineering. Common jaw crusher is compound pendulum jaw crusher, and compound pendulum jaw crusher simplifies to four-bar linkage, and the eccentric shaft is the crank, and the crank gyration a week is only broken once, and when the crank gyration arrived certain limit, when equipment was in row material state, the breaker did not carry out the breakage, was in non-operating condition this moment, still consumed the energy. In order to overcome the energy consumption caused by idle stroke, a double-cavity jaw crusher is provided, the crusher is provided with two crushing cavities, when one crushing cavity crushes materials, the other crushing cavity discharges materials, and vice versa, so that the processing capacity of the crusher is doubled, and the energy utilization rate is greatly improved.

The chinese patent application No. 201511027982.4 discloses a dual-chamber double-movable jaw crusher, which adopts a mode that a connecting rod is installed at the upper part and an eccentric main shaft is installed at the lower part to install a movable jaw (i.e. the movable jaw faces downwards), and during the working process, the movable jaw moves in a plane mode, and the eccentric main shaft as a power source is installed at the lower part. The following problems exist in this technique:

1. the power source adopts the structure of eccentric main shaft, and eccentric formula sliding connection mode is adopted to eccentric main shaft and movable jaw, and the sliding friction power consumption is serious in this mode.

2. The eccentric main shaft and the related parts thereof are complex to disassemble and assemble, the parts are not easy to replace, and the maintenance and the inspection are inconvenient.

3. The power input of the eccentric main shaft depends on a flywheel structure, and the requirement on the power of the motor is high.

Disclosure of Invention

To above defect, the utility model aims at providing a two-chamber jaw breaker aims at solving among the prior art jaw breaker at the big technical problem of energy consumption that power input's in-process exists.

In order to solve the technical problem, the technical scheme of the utility model is that:

a double-cavity jaw crusher comprises a frame, wherein a movable jaw plate and fixed jaw plates symmetrically arranged at two sides of the movable jaw plate are arranged in the frame, a crushing cavity is formed between the fixed jaw plate and the movable jaw plate, the two fixed jaw plates are arranged in a gradually-opened manner from bottom to top,

the bottom end of the movable jaw plate is connected with a rocker mechanism, the rocker mechanism comprises a first fixed shaft arranged on the rack, a second fixed shaft parallel to the first fixed shaft is arranged on the movable jaw plate, and a first connecting rod is hinged between the first fixed shaft and the second fixed shaft;

the top end of the movable jaw plate is connected with a crank transmission mechanism for driving the movable jaw plate to swing in a reciprocating mode, the top of the rack is provided with a guide wheel groove, a guide wheel which rolls between the two fixed jaw plates is installed in the guide wheel groove, the top of the movable jaw plate is fixedly connected with a third fixed shaft parallel to the first fixed shaft, the guide wheel is connected with the third fixed shaft in a coaxial rotating mode, the crank transmission mechanism comprises a first motor, an eccentric wheel is fixedly connected onto a driving shaft of the first motor, and a second connecting rod is hinged between the eccentric wheel and the third fixed shaft.

Wherein, the first pinion rack is installed to detachably on the movable jaw, decides detachably on the jaw and installs the second pinion rack.

Wherein, the two ends of the third fixed shaft are respectively connected with a crank transmission mechanism.

Wherein, both sides on the frame all are equipped with the guide pulley groove, and guide pulley inslot is connected with the guide pulley, and two guide pulleys rotate respectively and connect in the both ends of third fixed axle.

Wherein, the bottom of moving the jaw is equipped with the mounting groove, and the roll body that parallels with first fixed axle is installed to the mounting groove internal rotation, and the surface of roll body evenly is provided with a plurality of and dials the material arch, dials the material arch and can get into broken chamber along with the rotation of roll body, moves and installs drive roll body pivoted second motor on the jaw.

Wherein, the material shifting bulge is in a round platform structure.

Wherein, the bottom both sides of moving the jaw are the rigid coupling respectively and have the mounting panel, are equipped with the spout on the mounting panel, install gliding slider between two fixed jaws in the spout, and the coaxial rigid coupling in both ends of roll body has the connecting axle, and two connecting axles rotate respectively to be connected on two sliders, and the second motor is installed on the slider, and with connecting axle coaxial coupling.

Wherein, install two first compression springs in the spout, two first compression springs elastic support respectively on two terminal surfaces that the slider set up towards deciding the jaw.

Wherein, first pinion rack package rubbing board body is equipped with the bar arch that the vertical extension of a plurality of set up on the plate body, and a plurality of bar arch sets up along the width direction interval arrangement of moving the jaw, and the bottom of moving the jaw is equipped with the notch that can supply to dial the protruding free business turn over of material, and the notch is located between two adjacent bar archs.

The top end of the fixed jaw plate is hinged to the rack, a toggle plate is supported between the back face of the fixed jaw plate and the inner wall of the rack opposite to the fixed jaw plate, an adjusting rod is hinged to the back face of the fixed jaw plate, the other end of the adjusting rod penetrates through the rack in a sliding mode, an adjusting nut located outside the rack is connected to the adjusting rod in a threaded mode, and a second compression spring is arranged between the adjusting nut and the rack.

After the technical scheme is adopted, the beneficial effects of the utility model are that:

1. the movable jaw is driven to move by adopting a mode that the crank drives the guide wheel to roll in the guide wheel groove, and the energy consumption of the guide wheel on the guide wheel groove is smaller than that of the guide wheel under the rolling friction force, so that the transmission energy consumption is effectively reduced; the guide wheel is not easy to wear, and the service life of parts is prolonged; the reciprocating action of the movable jaw plate is more stable, and the ore crushing effect is better.

2. The movable jaw plate can move up and down after deviating from the balance position (namely the position of the movable jaw plate in the vertical state), so that positive pressure action is generated on the ore lump material, and the effect of shearing force is also generated, so that the stress of the ore lump material is diversified, the ore crushing efficiency is improved, and the stereoscopic property of the crushed ore lump material is improved.

3. The crank transmission mechanism drives the movable jaw plates on two sides of the rack simultaneously, unbalance loading is effectively overcome, power is improved, and then working efficiency is improved.

4. The external rocker mechanism and the crank transmission mechanism make the assembly and disassembly of the components more convenient.

5. The design of the roller body and the material poking protrusion is adopted, the functions of material turning and material poking are achieved, and the crushing effect is further improved.

To sum up, the utility model provides an among the prior art jaw breaker the big technical problem of energy consumption that exists at the in-process of power input, the utility model discloses effectively reduced the wearing and tearing of driven energy consumption, spare part, prolonged the life of spare part, strengthened the stability of equipment performance, improved work efficiency and quality.

Drawings

Fig. 1 is a schematic perspective cut-away view of a first embodiment of a dual chamber jaw crusher of the present invention;

FIG. 2 is a schematic diagram of the mid-crank drive mechanism of FIG. 1;

fig. 3 is a schematic perspective view of a second embodiment of a dual chamber jaw crusher of the present invention;

fig. 4 is a schematic plan sectional view of a third embodiment of a dual chamber jaw crusher of the present invention;

FIG. 5 is an enlarged view of portion A of FIG. 4;

FIG. 6 is a side view of the swing jaw of FIG. 4;

in the figure, 1-a machine frame, 10-a guide wheel frame, 100-a guide wheel groove, 2-a movable jaw, 20-a third fixed shaft, 21-a guide wheel, 22-a first toothed plate, 220-a plate body, 221-a strip-shaped bulge, 222-a notch, 23-a mounting groove, 24-a roller body, 240-a material shifting bulge, 241-a connecting shaft, 25-a second motor, 26-a mounting plate, 260-a sliding groove, 27-a sliding block, 28-a first compression spring, 3-a fixed jaw, 30-a second toothed plate, 31-a toggle plate, 310-a toggle plate groove, 311-a wedge block, 32-an adjusting rod, 320-an adjusting nut, 321-a second compression spring, 4-a crushing cavity, 5-a rocker mechanism, 50-a first fixed shaft, 51-a second fixed shaft, 52-first connecting rod, 6-crank drive, 60-first motor, 61-eccentric, 62-bearing, 63-second connecting rod.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings.

The position that the specification related to all takes the position of the utility model discloses a two-chamber jaw crusher during normal work as the standard, does not restrict the position when its storage and transportation, only represents relative position relation, does not represent absolute position relation.

The first embodiment is as follows:

as shown in fig. 1 and fig. 2 jointly, two-chamber jaw breaker includes frame 1, install in frame 1 and move jaw 2 and two and decide jaw 3, two decide jaw 3 symmetries and set up in the both sides that move jaw 2, decide jaw 3 and move and form broken chamber 4 between the jaw 2, the open-top in broken chamber 4 is the feed inlet, the bottom opening in broken chamber 4 is the discharge gate, two decide jaw 3 from supreme the gradual opening form setting that is down, the ore enters into broken chamber 4 from the feed inlet, through moving the reciprocal periodic nature of jaw 2 and deciding two and decide the 3 crushings of jaw and realize the breakage of ore, can discharge through the discharge gate after broken ore reaches certain garrulous degree, thereby reach broken effect.

The bottom end of the movable jaw plate 2 is connected with a rocker mechanism 5, the rocker mechanism 5 comprises a first fixed shaft 50 arranged on the frame 1, a second fixed shaft 51 parallel to the first fixed shaft 50 is arranged on the movable jaw plate 2, a first connecting rod 52 is hinged between the first fixed shaft 50 and the second fixed shaft 51, the lower part of the movable jaw plate 2 is restrained by the first fixed shaft 50 on the frame 1, and the movable jaw plate does fixed-shaft swinging motion around the first fixed shaft 50;

the top end of the movable jaw plate 2 is connected with a crank transmission mechanism 6, the crank transmission mechanism 6 and the rocker mechanism 5 are respectively connected to two opposite sides of the movable jaw plate 2, so that the disassembly and assembly of the crank transmission mechanism 6 and the rocker mechanism 5 are more convenient, and the fault maintenance is simplified, a guide wheel frame 10 is installed at the top of the machine frame 1, a guide wheel groove 100 is arranged on the guide wheel frame 10, a guide wheel 21 rolling between the two fixed jaw plates 3 is installed in the guide wheel groove 100, a third fixed shaft 20 parallel to the first fixed shaft 50 is fixedly connected to the top of the movable jaw plate 2, the guide wheel 21 is rotatably sleeved on the third fixed shaft 20, the crank transmission mechanism 6 comprises a first motor 60, an eccentric wheel 61 is fixedly connected to a driving shaft of the first motor 60, a second connecting rod 63 is hinged between the eccentric wheel 61 and the third fixed shaft 20, and a bearing 62 is installed between the eccentric wheel 61 and the second connecting rod 63. The output shaft of the first motor 60 rotates to drive the eccentric wheel 61 to rotate, the eccentric wheel 61 drives one end of the second connecting rod 63 to rotate, the other end of the second connecting rod 63 is constrained by the guide wheel groove 100 to do horizontal reciprocating motion, and meanwhile, the guide wheel 21 is driven to roll in the guide wheel groove 100 in a reciprocating mode, so that the upper portion of the movable jaw plate 2 is driven to do horizontal reciprocating motion. Under the combined action of fixed shaft swinging and horizontal reciprocating motion, the movable jaw plate 2 generates complex motion, and the efficient extrusion, shearing and bending effects on ores are realized. The first motor 60 is preferably a hydraulic motor, but other motors such as an electric motor are equally suitable.

During the use, moving jaw 2 constitutes two broken chambeies 4 with two fixed jaw 3, is left chamber and right chamber respectively, when guide pulley 21 rolls left, and left chamber feeding realizes extrusion, shearing and bending action to left intracavity ore, and the ore in right chamber moves down under the effect of gravity this moment, occupies new position, leaves broken chamber 4 promptly when the material piece size of ore is less than the most narrow local size in broken chamber 4. When the right cavity discharges materials, the left cavity feeds materials and is broken, when the left cavity discharges materials, the right cavity feeds materials and is broken, and then the circulation operation is repeated. The ore is at left chamber by broken in-process, and the mineral in broken chamber 4 receives the pressure crescent of movable jaw 2, increases to mineral breakage behind the certain degree, and 2 upper ends levels of movable jaw move left this moment, and the lower extreme receives the restraint rebound of rocker mechanism 5, and the effort of 2 lower extremes of movable jaw to mineral reduces, has effectively prevented the too big mineral production of because of pressure and has smashed the phenomenon.

Further, the first toothed plate 22 is detachably mounted on the movable jaw 2, the second toothed plate 30 is detachably mounted on the fixed jaw 3, the first toothed plate 22 and the second toothed plate 30 both increase the ore crushing effect, and the first toothed plate 22 and the second toothed plate 30 are convenient to replace after being worn for a long time.

Preferably, the top end of the fixed jaw plate 3 is hinged to the frame 1, a toggle plate 31 is supported between the back surface of the fixed jaw plate 3 and the inner wall of the frame 1 opposite to the back surface, an adjusting rod 32 is hinged to the back surface of the fixed jaw plate 3, the other end of the adjusting rod 32 penetrates through the frame 1 in a sliding manner, an adjusting nut 320 located outside the frame 1 is screwed on the adjusting rod 32, and a second compression spring 321 is arranged between the adjusting nut 320 and the frame 1. The distance between the fixed jaw plate 3 and the machine body 1 is adjusted by utilizing the toggle plate 31 between the fixed jaw plate 3 and the machine frame 1, so that the distance between the movable jaw plate 2 and the fixed jaw plate 3 is adjusted, and the aim that the uncrushable ore can be smoothly discharged from a discharge hole is fulfilled. In this embodiment, the fixed jaw plate 3 is provided with a toggle plate slot 310, the frame 31 is provided with a position-adjustable wedge 311, one end of the toggle plate 31 is rotatably mounted in the toggle plate slot 310, and the other end of the toggle plate 31 abuts against the wedge 311.

Example two:

the difference between the present embodiment and the first embodiment is: as shown in fig. 3, the two ends of the third fixing shaft 20 are respectively connected with the crank transmission mechanisms 6, and the stability of the reciprocating motion of the movable jaw plate 2 is improved through the synchronous transmission of the two crank transmission mechanisms 6, so that the whole structure of the equipment is more stable, and the crushing effect is better.

Furthermore, the front side and the rear side of the top of the frame 1 are both provided with guide wheel grooves 100, guide wheels 21 are connected in the guide wheel grooves 100, the two guide wheels 21 are respectively rotatably connected to two ends of the third fixed shaft 20, and the two guide wheels 21 synchronously roll in the guide wheel grooves 100 in a reciprocating manner, so that the reciprocating stability of the movable jaw plate 2 is further improved, and the failure rate of the equipment is effectively reduced.

Example three:

the difference between the present embodiment and the first embodiment is: as shown in fig. 4, 5 and 6, a mounting groove 23 is provided at the bottom end of the movable jaw plate 2, a roller body 24 parallel to the first fixed shaft 50 is rotatably mounted in the mounting groove 23, a plurality of material shifting protrusions 240 are uniformly provided on the surface of the roller body 24, the material shifting protrusions 240 can enter the crushing cavity 4 along with the rotation of the roller body 24, that is, the material shifting protrusions 240 can enter the discharge port of the crushing cavity 4, a second motor 25 for driving the roller body 24 to rotate is mounted on the movable jaw plate 2, the second motor 25 is preferably an anti-vibration hydraulic motor, when the left cavity crushes the material, the second motor 25 drives the roller body 24 to rotate clockwise, the qualified lump mineral material can pass through the gaps between the plurality of material shifting protrusions 240, so as to realize material discharge, and the unqualified lump mineral material (such as long strip-shaped and plate-shaped lump material) can be stopped against the material shifting protrusions 240, so that the ore lump material is shifted upwards by the material shifting protrusions, so that the part of ore blocks can be repeatedly crushed, thereby further improving the crushing effect. At the moment, the right cavity is in a discharging state, and the material poking bulge 240 pokes the ore lump material at the discharging port of the right cavity downwards, so that the discharging efficiency is improved. Similarly, when the left chamber discharges materials and the right chamber discharges materials, the second motor 25 drives the roller body 24 to rotate anticlockwise. Thereby the crushing effect of ore lump material has been promoted, the efficiency of arranging the material has been improved.

Preferably, the material shifting protrusion 240 is of a circular truncated cone structure, and crushed materials are not easily accumulated on the arc-shaped surface of the circular truncated cone structure, so that the crushed materials are prevented from being accumulated in the mounting groove 23.

Furthermore, two sides of the bottom of the movable jaw plate 2 are respectively fixedly connected with a mounting plate 26, a mounting groove 23 is formed between the bottom of the movable jaw plate 2 and the two mounting plates 26, a sliding groove 260 is arranged on the mounting plate 26, a sliding block 27 which slides between the two fixed jaw plates 3 is arranged in the sliding groove 260, two ends of the roller body 24 are coaxially and fixedly connected with a connecting shaft 241, two ends of the two connecting shafts 241 are respectively arranged on the two sliding blocks 27 through bearings, a second motor 25 is arranged on the sliding block 27, a driving shaft of the second motor 25 is connected with one end of the connecting shaft 241 through a coupling, when the material shifting bulge 240 is directly in hard contact with the ore lump material, the sliding block 27 can reversely slide in the sliding groove 260 to realize the mutual separation of the material shifting bulge 240 and the ore lump material, so as to avoid the material shifting bulge 240 and the ore lump material being blocked together,

furthermore, install two first compression springs 28 in the spout 260, two first compression springs 28 respectively elastic support on slider 27 towards two terminal surfaces that fixed jaw 3 set up, form elastic support through two first compression springs 28 to two relative ends of slider 27 to form a buffering to slider 27 reciprocating sliding, avoid the rigid of slider 27 and spout 260 inner wall to collide with, improve equipment's stability.

Preferably, first pinion rack 22 includes plate body 220, is equipped with the protruding 221 of bar of the vertical extension setting of a plurality of on plate body 220, and a plurality of bar is protruding 221 and is arranged along the width direction interval of movable jaw 2, and the bottom of movable jaw 2 is equipped with the notch 222 that can supply to dial material arch 240 and freely advance, and notch 222 is located between two adjacent protruding 221 of bar. When the material stirring bulges 240 are stirred out from the notches 222, ore blocks embedded between the strip-shaped bulges 221 can be effectively stirred and separated, and the crushing effect is further improved.

The present invention is not limited to the above specific embodiments, and those skilled in the art can make various changes without creative labor from the above conception, and all the changes fall within the protection scope of the present invention.

Claims

1. A double-cavity jaw crusher comprises a frame, wherein a movable jaw plate and fixed jaw plates symmetrically arranged at two sides of the movable jaw plate are arranged in the frame, a crushing cavity is formed between the fixed jaw plate and the movable jaw plate, the two fixed jaw plates are arranged in a gradually-opened manner from bottom to top, and the double-cavity jaw crusher is characterized in that,

the top of moving the jaw is connected with the drive move the reciprocating swing's of jaw crank drive mechanism, the frame top is equipped with the guide pulley groove, install two in the guide pulley groove decide rolling guide pulley between the jaw, the top rigid coupling of moving the jaw have with the third fixed axle that first fixed axle parallels, the guide pulley with the coaxial rotation of third fixed axle is connected, crank drive mechanism includes first motor, be connected with the eccentric wheel in the drive shaft of first motor, the eccentric wheel with it has the second connecting rod to articulate between the third fixed axle.

2. A dual chamber jaw crusher as claimed in claim 1 wherein said movable jaw plate has a first toothed plate removably mounted thereon and said fixed jaw plate has a second toothed plate removably mounted thereon.

3. The dual chamber jaw crusher of claim 1 wherein said third stationary shaft is connected at each end to a crank drive.

4. A dual chamber jaw crusher as claimed in claim 3 wherein said guide pulley groove is formed in each of two sides of said frame, said guide pulley groove having said guide pulleys connected thereto, said guide pulleys being rotatably connected to respective ends of said third stationary shaft.

5. The dual-chamber jaw crusher as claimed in claim 2, wherein the bottom end of the movable jaw is provided with a mounting groove, a roller body parallel to the first fixed shaft is rotatably mounted in the mounting groove, a plurality of material shifting protrusions are uniformly arranged on the surface of the roller body, the material shifting protrusions can enter the crushing chamber along with the rotation of the roller body, and the movable jaw is provided with a second motor for driving the roller body to rotate.

6. The dual chamber jaw crusher of claim 5 wherein said kick-out projection is of a frustoconical configuration.

7. The dual-chamber jaw crusher of claim 5, wherein the bottom of the movable jaw is fixedly connected with a mounting plate, the mounting plate is provided with a sliding groove, the sliding groove is internally provided with a sliding block which slides between the two fixed jaws, the two ends of the roller body are fixedly connected with a connecting shaft, the two connecting shafts are respectively and rotatably connected to the two sliding blocks, and the second motor is mounted on the sliding block and coaxially connected with the connecting shaft.

8. The double-chamber jaw crusher as claimed in claim 7, wherein two first compression springs are installed in said slide groove, and said two first compression springs are elastically supported on both end surfaces of said slide block disposed toward said fixed jaw, respectively.

9. The dual-chamber jaw crusher of claim 5, wherein the first toothed plate comprises a plate body, a plurality of vertically extending strip-shaped protrusions are arranged on the plate body, the plurality of strip-shaped protrusions are arranged at intervals along the width direction of the movable jaw, a notch for the material stirring protrusions to freely enter and exit is formed in the bottom of the movable jaw, and the notch is located between every two adjacent strip-shaped protrusions.

10. A dual chamber jaw crusher as claimed in any of claims 1 to 9 wherein the top of said fixed jaw is hinged to said frame, a toggle plate is supported between the back of said fixed jaw and the inner wall of said frame opposite to said fixed jaw, an adjusting rod is hinged to the back of said fixed jaw, the other end of said adjusting rod slides through said frame, an adjusting nut located outside said frame is screwed to said adjusting rod, and a second compression spring is provided between said adjusting nut and said frame.