CN214599231U

CN214599231U - Jaw crusher

Info

Publication number: CN214599231U
Application number: CN202120662362.2U
Authority: CN
Inventors: 姜寒; 许杨; 田渊; 夏小春
Original assignee: Chongqing Zhongjian Engineering Quality Inspection Co ltd
Current assignee: Chongqing Zhongjian Engineering Quality Inspection Co ltd
Priority date: 2021-03-31
Filing date: 2021-03-31
Publication date: 2021-11-05
Anticipated expiration: 2031-03-31

Abstract

The utility model provides a jaw breaker, including crushing mechanism and sieve plate groove, the tank bottom slope in sieve plate groove sets up, and the sieve inslot is equipped with the screen cloth, and crushing mechanism's discharge gate is located the top of screen cloth slope upper end, screen cloth and sieve plate groove sliding connection, and the screen cloth is equipped with interception mechanism and the rocking mechanism that the cooperation was used, and interception mechanism sets up in the screen cloth top, and interception mechanism includes drive assembly and a plurality of interception board, and rocking mechanism drives the screen cloth along the incline direction reciprocating sliding of perpendicular sieve plate groove tank bottom. The plurality of interception plates arranged in the utility model can be driven by the transmission component to intermittently contact with the screen mesh to intercept the crushed materials falling on the screen mesh, thereby increasing the retention time of the materials on the screen mesh and facilitating the fine materials to pass through the screen mesh; and the function of the shaking mechanism is matched, so that the materials can be screened under the action of the screen mesh which slides in a reciprocating manner while being delayed to roll down on the screen plate, and the screening effect is ensured.

Description

Jaw crusher

Technical Field

The utility model relates to a breaker technical field, in particular to jaw breaker.

Background

Jaw crusher commonly called jaw crusher, which is a crusher that is composed of movable jaw and static jaw to form crushing cavity and simulates the movement of two jaws of animal to complete the crushing operation of material. The method is widely applied to the industries of mines, smelting, building materials, highways, railways, water conservancy, chemical engineering and the like. The jaw crusher drives the crankshaft to complete the reciprocating motion of the movable jaw plate through the motor, and the extrusion between the movable jaw plate and the static jaw plate is utilized to complete the crushing of materials.

Because the breaker is at the crushing-process, and is different to the crushing effect of material, some materials, for example grit, the more concrete that contains silt etc. this type of material has some farine material (or the granule is less than the material of required particle diameter) to derive along with the breaker discharge gate together when carrying out the breakage, because the farine material that contains in the material after the breakage is many, still can carry out the screening operation when carrying out follow-up use generally, selects the broken material that satisfies the demand.

In the prior art, in order to simplify the screening work of the crushed materials, as shown in fig. 1, a crusher comprises a frame 102, and a jaw crusher 101 and a sieve plate groove 103 which are fixed on the frame 102; the tank bottom of sieve plate groove 103 inclines to set up, and jaw crusher 101's discharge gate is located sieve plate groove 103 slope upper end directly over, is equipped with the screen cloth 104 with sieve plate groove 103 tank bottom parallel arrangement in sieve plate groove 103, and screen cloth 104 divide into sieve plate groove 103 and stays and get layer and thin powder layer, and the material of staying the layer of getting passes through discharging channel unloading, and the material of thin powder layer passes through the discharge opening unloading. The material after crushing through jaw breaker 101 passes the discharge gate and drops on the screen cloth in screen cloth groove 103, and the material rolls along with the screen cloth 104 that the slope set up, and the farine that is less than screen cloth 104 sieve mesh drops to the thin powder layer, through the discharge opening unloading, and the material that satisfies the demand is detained through screen cloth 104 and is being stayed and get the layer, collects through discharging channel unloading at last.

Above-mentioned sieve plate groove sieves the time screening effect not ideal to broken material, leads to keeping getting the in situ and also can deriving some fine powder materials, influences the follow-up use of broken back material.

SUMMERY OF THE UTILITY MODEL

Not enough to exist among the prior art, the utility model provides a jaw crusher has solved the unsatisfactory problem of sieve plate groove to the material screening effect after the breakage of breaker setting among the prior art.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a jaw crusher comprises a frame, a crushing mechanism and a sieve plate groove which are arranged on the frame, wherein the groove bottom of the sieve plate groove is obliquely arranged, a sieve screen which is parallel to the groove bottom of the sieve plate groove is also arranged in the sieve plate groove, a discharge port of the crushing mechanism is positioned above the oblique upper end of the sieve screen, the sieve screen is in sliding connection with the sieve plate groove, the sieve screen is also provided with an intercepting mechanism and a shaking mechanism which are matched for use,

the interception mechanism is arranged above the screen and comprises at least one group of transmission components and a plurality of interception plates which are matched with the transmission components,

the transmission assembly comprises a driving gear, a driven gear and a transmission chain sleeved on the driving gear and the driven gear, wherein each interception plate is fixedly connected with the transmission chain and can rotate along with the rotation of the transmission chain,

the connecting direction of the circle center of the driving gear and the circle center of the driven gear is parallel to the inclination direction of the screen, each interception plate intermittently contacts with the screen when rotating along with the transmission chain for intercepting materials on the screen, and when the interception plates contact with the screen, the moving direction of the interception plates moves from the inclined upper end of the screen to the inclined lower end of the screen;

the shaking mechanism drives the screen to slide in a reciprocating manner along the direction vertical to the inclination direction of the bottom of the screen plate groove.

Compared with the prior art, the utility model discloses following beneficial effect has: the plurality of interception plates arranged in the utility model can be driven by the transmission component to intermittently contact with the screen mesh to intercept the crushed materials falling on the screen mesh, thereby increasing the retention time of the materials on the screen mesh and facilitating the fine materials to pass through the screen mesh; and the action of the shaking mechanism is matched, so that the materials can be screened under the action of the screen mesh which slides back and forth while falling off on the screen plate in a delaying way, and the crushed materials are subjected to double actions in a cross direction (two directions of the screen mesh inclination direction and the vertical screen mesh inclination direction), so that the screening effect is ensured.

Drawings

FIG. 1 is a schematic view of a prior art jaw crusher configuration;

FIG. 2 is a schematic structural view of the present invention;

FIG. 3 is a top view of the screen trough in cooperation with the intercepting mechanism and the rocking mechanism;

FIG. 4 is a schematic structural view of the rocking mechanism of the present invention;

fig. 5 is a cross-sectional view of the screen groove and the screen installed in cooperation.

In the figure: 1. a crushing mechanism; 2. an operation table; 3. a discharge chute; 4. a material guide chute; 5. a baffle plate; 6. a support; 7. a screen plate groove; 8. screening a screen; 9. a driven shaft; 10. a driven gear; 11. a interception plate; 12. a drive chain; 13. a drive shaft; 14. a driving gear; 15. a connecting rod; 16. a second bevel gear; 17. a drive motor; 18. rotating the disc; 19. a connecting shaft; 20. a first bevel gear; 21. a mounting seat; 71. installing a side wall; 72. and (5) installing a sliding groove.

Detailed Description

The technical solution of the present invention will be further explained with reference to the accompanying drawings and embodiments.

As shown in fig. 2, an embodiment of the present invention provides a jaw crusher, which includes a frame and a crushing mechanism 1 and a sieve plate groove 7 disposed on the frame. The crushing mechanism 1 is arranged on the operating platform 2, the crushing mechanism 1 is of a jaw crusher structure common in the prior art, a discharge hole of the crushing mechanism 1 is connected with a discharge chute 3, and the discharge chute 3 is fixedly connected with the operating platform 2; the sieve plate groove 7 is arranged between the two brackets 6 and is fixedly connected with the brackets 6. Because the sieve plate groove 7 is used for further separating the materials led out from the discharge chute 3, the bottom of the sieve plate groove 7 is obliquely arranged, a sieve mesh 8 which is parallel to the bottom of the sieve plate groove 7 is also arranged in the sieve plate groove 7, the sieve plate groove 7 is divided into an upper sieving unit and a lower sieving unit by the sieve mesh 8, and the materials are intercepted by the upper sieving unit or the lower sieving unit according to the particle size of the materials after passing through the obliquely arranged sieve mesh 8, so that the purpose of sieving the materials is achieved. In order to ensure that the crushed materials can be screened along the screen 8 arranged obliquely, the discharge port (the discharge end of the timely discharge chute 3) of the crushing mechanism 1 is positioned above the oblique upper end of the screen 8.

As shown in fig. 2, because the screen cloth 8 among the prior art is fixed to be set up, the time of staying for getting of material on screen cloth 8 is also shorter, and when the broken material that crushing mechanism 1 short time produced was more, the material after the breakage is piled up in screen cloth 8 top easily, and is not thorough when carrying out the roll screening, influences the screening effect of screen cloth 8, for solving this problem, the utility model discloses set up screen cloth 8 is along perpendicular its incline direction and sieve groove 7 sliding connection, just screen cloth 8 still is equipped with the interception mechanism and the rocking mechanism that cooperate and use.

As shown in fig. 2 and 3, the intercepting mechanism is disposed above the screen 8, the intercepting mechanism includes at least one set of transmission components and a plurality of intercepting plates 11 installed in cooperation with the transmission components, the transmission assembly comprises a driving gear 14, a driven gear 10 and a transmission chain 12 sleeved on the driving gear 14 and the driven gear 10, wherein each interception plate 11 is fixedly connected with the transmission chain 12, each interception plate 11 can rotate along with the rotation of the transmission chain 12, the direction of the connecting line of the circle center of the driving gear 14 and the circle center of the driven gear 10 is parallel to the inclination direction of the screen 8, the interception plate 11 is vertical to the inclination direction of the screen 8, and each interception plate 11 intermittently contacts with the screen 8 to intercept the materials on the screen 8 when rotating along with the transmission chain 12, when the interception plate 11 is in contact with the screen 8, the direction of movement of said interception plate 11 moves from the inclined upper end of the screen 8 towards the inclined lower end of the screen 8; the shaking mechanism drives the screen 8 to slide in a reciprocating manner along the inclined direction vertical to the bottom of the screen groove 7.

As shown in fig. 3, the present invention is provided with two sets of transmission mechanisms, the two transmission mechanisms are arranged side by side, two driving gears 14 of the two transmission mechanisms are connected through a driving shaft 13, the driving shaft 13 is erected between two mounting side walls 71 and is rotatably connected with the two mounting side walls 71 through bearings; two driven gears 10 arranged on the two transmission mechanisms are connected through a driven shaft 9, and the driven shaft 9 is erected between the two mounting side walls 71 and is in rotary connection with the two mounting side walls 71 through bearings; a plurality of interception plates 11 are arranged between the two transmission chains 12 and are fixedly connected with the two transmission chains 12. The driving shaft 13 is provided with a driving motor 17, so that the driving motor 17 works to drive the two driving gears 14 to rotate, the two driving gears 14 are rotationally matched with the two driven gears 10 to drive the two transmission chains 12 to roll, the two transmission chains 12 roll to drive the plurality of interception plates 11 to move annularly, and each interception plate 11 is in intermittent contact with the screen 8 to intercept materials on the screen 8; to ensure that material intercepted by the interception plate 11 is also screened with the obliquely arranged screen 8, the direction of movement of said interception plate 11 is displaced from the inclined upper end of the screen 8 towards the inclined lower end of the screen 8 when the interception plate 11 is in contact with the screen 8. In order to strengthen the screening effect of the screen 8 on the materials, the shaking mechanism drives the screen 8 to slide back and forth along the inclined direction of the bottom of the vertical screen plate groove 7.

The plurality of interception plates 11 arranged in the utility model can intermittently contact with the screen 8 under the driving of the transmission component to intercept the crushed materials falling on the screen 8, thereby increasing the retention time of the materials on the screen 8 and facilitating the fine materials to pass through the screen 8; and the action of the shaking mechanism is matched, so that the materials can be screened under the action of the screen 8 which slides back and forth while falling on the screen plate in a delaying way, and the crushed materials are subjected to double actions in a cross direction (two directions of the inclination direction of the screen 8 and the inclination direction of the vertical screen 8), so that the screening effect is ensured.

As shown in fig. 5, in order to facilitate the sliding connection between the screen 8 and the screen plate slot 7, the screen plate slot 7 includes two opposite installation side walls 71, the screen 8 is disposed between the two installation side walls 71, two installation sliding chutes 72 are respectively disposed on the two installation side walls 71, the two installation sliding chutes 72 are disposed oppositely, the screen 8 is erected in the two installation sliding chutes 72 and slidably connected with the two installation sliding chutes 72, and the screen 8 penetrates through the screen plate slot 7.

As shown in fig. 3 and 4, the utility model discloses the shaking mechanism that sets up is mainly for driving screen cloth 8 to carry out reciprocating sliding along perpendicular its incline direction, for effectively utilizing driving motor 17's drive power, the utility model discloses set up shaking mechanism includes at least two, every shaking mechanism all includes that carousel 18, one end are articulated to be set up at the connecting rod 15 of carousel 18 eccentric position, with the coaxial first bevel gear 20 that sets up of carousel 18 and with the second bevel gear 16 of first bevel gear 20 meshing, wherein the connecting rod 15 other end is articulated with screen cloth 8, and the second bevel gear 16 and the coaxial setting of driving shaft 13 of one of them shaking mechanism, the coaxial setting of second bevel gear 16 and driven shaft 9 of another shaking mechanism. And in order to facilitate the installation of the first bevel gear 20 and the rotating disc 18, the first bevel gear 20 and the rotating disc 18 are connected through a connecting shaft 19, and the connecting shaft 19 is rotatably connected with a fixed installation seat 21 on the outer side wall of the sieve plate groove 7.

The driving motor 17 works to drive the driving shaft 13 to rotate, the driving shaft 13 rotates to drive the driven shaft 9 to rotate, the driving shaft 13/the driven shaft 9 rotates to drive the second bevel gear 16 to rotate, the second bevel gear 16 rotates to drive the first bevel gear 20 to rotate, the first bevel gear 20 rotates to drive the coaxially arranged rotating disc 18 to rotate, the rotating disc 18 rotates to drive the connecting rod 15 to move, and the connecting rod 15 moves to drive the screen mesh 8 to slide in the installation sliding groove 72 in a reciprocating mode.

As shown in fig. 2 and 3, in order to prevent the material from entering the mounting chute 72 along with the reciprocating motion of the screen 8 and affecting the reciprocating sliding of the screen 8, the screen 8 of the present invention is further provided with two oppositely disposed baffles 5 at the positions located in the two mounting side walls 71, and the region between the two baffles 5 forms a screening space; in order to ensure that the materials guided out from the discharge chute 3 can smoothly enter the screening space, the utility model is characterized in that a material guide chute 4 for guiding materials towards the screening space is arranged in the sieve plate chute 7, and the discharge port of the crushing mechanism 1 is positioned above the material guide chute 4; the intercepting mechanism is positioned above the screening space, and the width of the baffle 5 in the direction vertical to the inclination direction of the screen plate is smaller than the distance between the two baffles 5.

Finally, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the present invention can be modified or replaced by other means without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims.

Claims

1. The utility model provides a jaw crusher, includes the broken mechanism and the sieve plate groove that set up in frame and the frame, the tank bottom slope in sieve plate groove sets up, the sieve plate inslot still be equipped with sieve plate groove tank bottom parallel arrangement's screen cloth, wherein, broken mechanism's discharge gate is located the top of screen cloth slope upper end, its characterized in that: the screen is connected with the sieve plate groove in a sliding way, and is also provided with an interception mechanism and a shaking mechanism which are matched for use,

2. A jaw crusher as claimed in claim 1, wherein: the sieve plate groove comprises two opposite installation side walls, the sieve screen is arranged between the two installation side walls, the two installation side walls are respectively provided with an installation sliding groove, the two installation sliding grooves are oppositely arranged, and the sieve screen frame is arranged in the two installation sliding grooves and is in sliding connection with the two installation sliding grooves.

3. A jaw crusher as claimed in claim 2, wherein: the driving gear is fixed on a driving shaft erected between the two installation side walls, the driven gear is fixed on a driven shaft erected between the two installation side walls, the driving shaft and the driven shaft are rotatably connected with the two installation side walls, and the driving shaft is connected with a driving motor.

4. A jaw crusher as claimed in claim 3, wherein: the shaking mechanisms comprise at least one shaking mechanism, each shaking mechanism comprises a rotating disk, a connecting rod, a first bevel gear and a second bevel gear, one end of the connecting rod is hinged to the eccentric position of the rotating disk, the first bevel gear is coaxially arranged with the rotating disk, the second bevel gear is meshed with the first bevel gear, the other end of the connecting rod is hinged to the screen, and the second bevel gear is coaxially arranged with the driving shaft or the driven shaft.

5. A jaw crusher as claimed in claim 4, in which: two baffles which are oppositely arranged are also arranged at the positions, located in the two installation side walls, on the screen, a screening space is formed in a region between the two baffles, a material guide groove which guides materials towards the screening space is arranged in the screen plate groove, and a discharge hole of the crushing mechanism is located above the material guide groove;

the intercepting mechanism is positioned above the screening space, and the width of the baffle plate in the direction vertical to the inclination direction of the screen plate is smaller than the distance between the two baffle plates.