阅读说明：本技术 用于破碎装置的返料系统 (Material returning system for crushing device ) 是由 张元道 罗严 汤桂阳 于 2021-07-29 设计创作，主要内容包括：本发明提供了一种用于破碎装置的返料系统,包括破碎装置、返料输送装置以及调节装置,破碎装置上设置有进料仓和大料排出口；调节装置可调节返料输送装置的位置并使其具有第一工作模式和第二工作模式；在第一工作模式下,返料输送装置的另一侧延伸至进料仓的上方,返料输送装置用于将大料排出口排出的物料输送至进料仓；第二工作模式下,返料输送装置的另一侧向远离破碎装置的一侧延伸,返料输送装置用于将大料排出口排出的物料直接输出。通过旋转臂和牵引组件配合作用,从而保证返料皮带机的最低点不与地面接触,且能够对返料皮带机的高度进行调整,有助于提高破碎装置的工作效率、转运的便捷性以及安全性,且结构简单,操作方便。(The invention provides a material returning system for a crushing device, which comprises the crushing device, a material returning and conveying device and an adjusting device, wherein a feeding bin and a large material outlet are arranged on the crushing device; the adjusting device can adjust the position of the returned material conveying device and enable the returned material conveying device to have a first working mode and a second working mode; in a first working mode, the other side of the material returning and conveying device extends to the upper part of the feeding bin, and the material returning and conveying device is used for conveying the materials discharged from the large material discharge port to the feeding bin; and in the second working mode, the other side of the material returning and conveying device extends to the side far away from the crushing device, and the material returning and conveying device is used for directly outputting the materials discharged from the large material discharge port. Through swinging boom and traction assembly mating reaction to guarantee that the minimum of returning charge belt feeder does not contact with ground, and can adjust the height of returning charge belt feeder, help improving breaker's work efficiency, the convenience and the security of transporting, and simple structure, convenient operation.)

1. The material returning system for the crushing device is characterized by comprising the crushing device (1), a material returning conveying device and an adjusting device (3), wherein the adjusting device (3) is used for adjustably installing the material returning conveying device on the crushing device (1), a feeding bin (12) and a large material discharge port (13) are arranged on the crushing device (1), and one side of the material returning conveying device is arranged on the lower side of the large material discharge port (13) and used for receiving materials discharged from the large material discharge port (13);

the adjusting device (3) can adjust the position of the returned material conveying device and enables the returned material conveying device to have a first working mode and a second working mode; in the first working mode, the other side of the material returning and conveying device extends to the upper part of the feeding bin (12), and the material returning and conveying device is used for conveying the materials discharged from the large material discharge port (13) to the feeding bin (12);

and in the second working mode, the other side of the material returning and conveying device extends to one side far away from the crushing device (1), and the material returning and conveying device is used for directly outputting the materials discharged from the large material discharge port (13).

2. A return system for a crushing plant according to claim 1, characterized in that said return conveying means comprise a return belt conveyor (2), said adjusting means (3) comprising a rotating arm (31) and a traction assembly (4); one end of the rotating arm (31) is arranged on one side of the material returning belt conveyor (2) close to the large material discharge port (13), and the other end of the rotating arm (31) is rotatably arranged on the crushing device (1);

the traction assembly (4) is installed on one side, away from a large material discharge port (13), of the material returning belt conveyor (2), the other end of the traction assembly (4) is rotatably installed on the crushing device (1), and the rotating arm (31) and the traction assembly (4) rotate around a vertical axis.

3. A feed back system for a crushing plant as claimed in claim 2, wherein a rotary mounting seat (5) is fixedly mounted on the crushing plant (1), a first pin (51) is connected between the rotary arm (31) and the rotary mounting seat (5), and the axis of the first pin (51) is vertically arranged.

4. A feed back system for a crushing plant as claimed in claim 3, wherein the rotating arm (31) is pivotally connected to a rotating cylinder (32), the other end of the rotating cylinder (32) is pivotally mounted on the crushing plant (1) or on the rotating mounting (5), and the rotating cylinder (32) is used to drive the rotating arm (31) away from or close to the crushing plant (1) around the axis of the first pin (51).

5. A return system for a crusher as claimed in claim 2, characterised in that the traction assembly (4) comprises a pulley (41) and a traction rope (42), the pulley (41) is rotatably mounted on the return belt conveyor (2) on the side away from the large material discharge opening (13), one end of the traction rope (42) is wound around the pulley (41), and the other end of the traction rope (42) is connected to the crusher (1).

6. A feed back system for a crushing device as claimed in claim 5, wherein the pulling assembly (4) further comprises a pulling cylinder (43), one end of the pulling cylinder (43) is hinged on the crushing device (1), and the other end of the pulling cylinder (43) is tightly connected with one end of the pulling rope (42) far away from the pulley (41).

7. A return system for a crushing plant according to claim 2, characterised in that the return belt conveyor (2) is provided with baffles (21) at both side edge positions.

8. A return system for a crushing plant according to claim 1, characterised in that at the macro-aggregate discharge opening (13) there is arranged a closure device (8) for opening or closing the macro-aggregate discharge opening (13);

closing device (8) are including sealing storehouse (81) and actuating cylinder (82), the one side of sealing storehouse (81) is connected with the lateral wall of aniseed discharge port (13) is articulated, the articulated connection of one end of actuating cylinder (82) is on the lateral wall of aniseed discharge port (13), the articulated connection of the other end of actuating cylinder (82) is on the outer wall of sealing storehouse (81).

9. A return system for a crushing plant according to claim 1, characterised in that the return conveyor further comprises a receiving bin (7), which receiving bin (7) is located directly below the large material discharge opening (13).

10. A return system for a crushing plant according to claim 1, characterised in that a support frame (6) is hingedly mounted near the ground of the return conveyor; in a first working mode, the support frame (6) can be folded on the ground close to the return material conveying device;

and in a second working mode, one end of the support frame (6), which is far away from the hinged end of the support frame and the return conveying device, is separated from the return conveying device and rotates around the hinged axis of the support frame and the return conveying device until contacting with the ground.

Technical Field

The invention relates to the technical field of crusher material returning, in particular to a material returning system for a crushing device.

Background

The crusher is used as main force equipment for mining and mainly crushes stones with different sizes, and the crusher equipment mainly comprises a jaw crusher, an impact crusher, a ring hammer crusher, a cone crusher and the like.

When the impact crusher works specifically, firstly, materials are conveyed to a feeding machine from a feeding hopper, then the materials are conveyed to impact crushing through the vibration of the feeding machine, the crushed materials fall to a conveyor, the conveyor conveys the materials to a material returning screen, and the material returning screen separates finished products from unfinished products through vibration; the unfinished material falls into a transition conveyor, the material of the transition conveyor is conveyed to a return conveyer belt and returned to be broken by reverse impact for secondary return processing, and the finished product is discharged from a discharge port.

The traditional material returning conveying belt is influenced by the height of material returning, and the material rack is normally ultrahigh and overlong; however, the ultra-high and ultra-long return conveyer belt obviously causes the increase of the whole size of the impact crusher, and the transportation operation is very inconvenient.

The prior Chinese patent with publication number CN212791209U discloses a material returning and lifting device for a reaction crusher, which comprises a four-connecting-rod jacking component and a head support component; the four-connecting-rod jacking assembly comprises a first connecting rod fixed at the position of the vehicle body, the top end of the first connecting rod is hinged with the head end of an L-shaped second connecting rod, the tail end of the second connecting rod is hinged with the head end of a 7-shaped third connecting rod, the tail end of the third connecting rod is hinged with the head end of a V-shaped fourth connecting rod, the tail end of the fourth connecting rod is hinged with the first connecting rod, and all hinged parts are horizontally arranged, so that a four-connecting-rod structure is formed on the vertical plane; the cylinder wall of the power cylinder is fixed at the vehicle body, and the piston cylinder end of the power cylinder extends upwards in an inclined mode and is hinged to the tail end vertical rod section of the fourth connecting rod.

The inventor thinks that the material returning lifting device in the prior art has a complex structure, is inconvenient to operate, has poor working efficiency and has a place to be improved.

Disclosure of Invention

In view of the drawbacks of the prior art, it is an object of the present invention to provide a return material system for a crushing plant.

The invention provides a material returning system for a crushing device, which comprises the crushing device, a material returning and conveying device and an adjusting device, wherein the adjusting device is used for adjustably installing the material returning and conveying device on the crushing device; the adjusting device can adjust the position of the returned material conveying device and enable the returned material conveying device to have a first working mode and a second working mode; in a first working mode, the other side of the material returning and conveying device extends to the upper part of the feeding bin, and the material returning and conveying device is used for conveying the material discharged from the large material discharge port to the feeding bin; and in the second working mode, the other side of the return material conveying device extends to one side far away from the crushing device, and the return material conveying device is used for directly outputting the materials discharged from the large material discharge port.

Preferably, the material returning and conveying device comprises a material returning belt conveyor, and the adjusting device comprises a rotating arm and a traction assembly; one end of the rotating arm is mounted on one side of the material returning belt conveyor close to the large material discharge port, and the other end of the rotating arm is rotatably mounted on the crushing device; the traction assembly is arranged on one side, away from a large material discharge port, of the material returning belt conveyor, the other end of the traction assembly is rotatably arranged on the crushing device, and the rotating arm and the traction assembly both rotate around a vertical axis.

Preferably, the crushing device is fixedly provided with a rotary mounting seat, a first pin shaft is connected between the rotary arm and the rotary mounting seat, and the axis of the first pin shaft is vertically arranged.

Preferably, the articulated rotatory hydro-cylinder that is connected with on the swinging boom, the other end of rotatory hydro-cylinder is articulated to be installed on breaker or rotatory mount pad, just rotatory hydro-cylinder is used for driving the swinging boom and keeps away from or be close to breaker around the axis of first round pin axle.

Preferably, the traction assembly comprises a pulley and a traction rope, the pulley is rotatably installed on one side, away from the large material outlet, of the material returning belt conveyor, one end of the traction rope is wound on the pulley, and the other end of the traction rope is connected with the crushing device.

Preferably, the traction assembly further comprises a pulling oil cylinder, one end of the pulling oil cylinder is hinged to the crushing device, and the other end of the pulling oil cylinder is fixedly connected with one end, far away from the pulley, of the traction rope.

Preferably, the edge positions of two sides of the material returning belt conveyor are provided with baffles.

Preferably, a sealing device for opening or closing the large material discharge port is arranged at the large material discharge port; the sealing device comprises a sealing bin and a driving oil cylinder, one side of the sealing bin is hinged to the side wall of the large material discharge port, one end of the driving oil cylinder is hinged to the side wall of the large material discharge port, and the other end of the driving oil cylinder is hinged to the outer wall of the sealing bin.

Preferably, the returned material conveying device further comprises a material receiving bin, and the material receiving bin is located right below the large material discharge port.

Preferably, a support frame is hinged to the ground near the return material conveying device; in a first working mode, the support frame can be folded on the ground near the return material conveying device; and under a second working mode, one end of the support frame, which is far away from the hinged end of the support frame and the return conveying device, is separated from the return conveying device and rotates around the hinged axis of the support frame and the return conveying device until the support frame is contacted with the ground.

Compared with the prior art, the invention has the following beneficial effects:

1. according to the invention, the rotating arm is arranged on one side of the returning belt conveyor close to the large material discharge port, and the traction assembly is arranged on one side of the returning belt conveyor far away from the large material discharge port, so that the lowest point of the returning belt conveyor is not contacted with the ground, the height of the returning belt conveyor can be adjusted, the working efficiency, the convenience and the safety of transportation of the crushing device are improved, the structure is simple, and the operation is convenient;

2. according to the invention, through the matching of the pulling oil cylinder, the traction rope and the pulley, the inclination angle of the material returning belt conveyor is adjusted, and the adaptability of the material returning belt conveyor to transport vehicles with different heights in the second working state is improved;

3. according to the invention, the sealing bin is used for sealing the large material discharge port, so that no material is discharged from the large material discharge port when the material returning belt conveyor is switched between the first working mode and the second working mode, the non-stop switching of the material returning belt conveyor between the first working mode and the second working mode is realized, the working efficiency of the crushing device is improved, and the degree of mechanization is high;

4. according to the adjusting device, the return conveying device is connected to the crushing device, and the return conveying device is matched with the rotating cylinder and the rotating arm, so that the switching of conveying the materials discharged from the large material discharge port to the feeding bin and directly outputting the materials is realized, the processing efficiency of the crushing device is improved, the working flexibility of a return system is improved, the structure is simple, and the work is reliable.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

FIG. 1 is a schematic diagram of the overall structure of a material returning system according to the present invention in a first operating mode;

FIG. 2 is a schematic view of the overall structure of the adjusting device according to the present invention;

FIG. 3 is a schematic view of the overall structure of the sealing device according to the present invention;

fig. 4 is a schematic view of the overall structure of the material returning system in the second working mode according to the present invention.

Shown in the figure:

Detailed Description

The present invention will be described in detail with reference to specific examples. The following examples will assist those skilled in the art in further understanding the invention, but are not intended to limit the invention in any way. It should be noted that it would be obvious to those skilled in the art that various changes and modifications can be made without departing from the spirit of the invention. All falling within the scope of the present invention.

As shown in fig. 1, the material returning system for a crushing device provided by the invention comprises a crushing device 1, a material returning and conveying device and an adjusting device 3, wherein the material returning and conveying device is installed on the crushing device 1 through the adjusting device 3, and the relative position of the material returning and conveying device and the crushing device 1 can be adjusted through the adjusting device 3.

Crushing device 1 includes broken station body 11, and broken station body 11 includes portable broken station, fixed broken station and the broken station of tire etc. and feeding storehouse 12 is installed to the one end of broken station body 11, and big material discharge port 13 is installed to the other end of broken station body 11, and big material discharge port 13 is located the side of broken station body 11.

As shown in fig. 2, the material returning and conveying device is a material returning belt conveyor 2, and the edges of the two sides of the material returning belt conveyor 2 are located on the same vertical fixed mounting plate 21, so that the materials on the material returning belt conveyor 2 can move along with the material returning belt conveyor 2, the occurrence of the situation that the materials on the material returning belt conveyor 2 accidentally drop from the two sides of the material returning belt conveyor 2 is reduced, and the working stability of the material returning belt conveyor 2 is improved.

As shown in fig. 1 and 2, one end of the material returning belt conveyor 2 is installed right below the large material discharge port 13, and the adjusting device 3 can adjust the relative positions of the material returning belt conveyor 2 and the crushing station body 11, so that the material returning belt conveyor 2 has a first operating mode and a second operating mode. In the first working mode, the other end of the material returning belt conveyor 2 extends to the position right above the feeding bin 12, and the material returning belt conveyor 2 conveys the material discharged from the large material discharge port 13 to the feeding bin 12. In the second working mode, the other side of the material returning belt conveyor 2 extends to one side far away from the crushing station body 11, and the material returning belt conveyor 2 conveys the material discharged from the large material discharge port 13 to a transport vehicle at the tail end of the material returning belt conveyor 2 for direct output.

As shown in fig. 1 and 2, the adjusting device 3 includes a rotating arm 31 and a traction assembly 4, a rotary mounting seat 5 is fixedly mounted on one side of the crushing station body 11 close to the material returning belt conveyor 2 through a bolt, and the rotary mounting seat 5 is located above the large material discharge port 13. Rotate between one end of swinging boom 31 and the rotatory mount pad 5 and be connected with first round pin axle 51, the axis of first round pin axle 51 is vertical setting to make swinging boom 31 rotate around the axis of first round pin axle 51. The other end of the rotating arm 31 is fixedly connected with the outer wall of the material returning belt conveyor 2 close to the large material outlet 13 through a bolt, so that the material returning belt conveyor 2 can rotate together with the rotating arm 31, and the lowest end of the material returning belt conveyor 2 is ensured not to be in contact with the ground.

One side of the rotating arm 31 close to the rotating installation base 5 is hinged with a rotating oil cylinder 32 through a pin shaft, and the other end of the rotating oil cylinder 32 is hinged on the rotating installation base 5 through a hinge. When a piston rod of the rotary oil cylinder 32 extends out, the rotary oil cylinder 32 drives the rotary arm 31 and the material returning belt conveyor 2 to rotate around the axis of the first pin shaft 51 and to be far away from the crushing station body 11; when the piston rod of the rotary oil cylinder 32 is retracted, the rotary oil cylinder 32 drives the rotating arm 31 and the material returning belt conveyor 2 to rotate around the axis of the first pin shaft 51 and approach the crushing station body 11. The relative position of the adjusting device 3 to the material returning belt conveyor 2 and the crushing station body 11 is adjusted, and non-stop switching of the material returning belt conveyor 2 in the first working state and the second working state is achieved.

The traction assembly 4 comprises pulleys 41, a traction rope 42 and a pulling oil cylinder 43, the traction rope 42 has enough strength for a steel wire rope, two sides of one side of the material returning belt conveyor 2, which is far away from the large material outlet 13, of the pulleys 41 are respectively provided with one traction rope 42, the two pulleys 41 are respectively provided with one traction rope 42 in a winding manner, one end of the pulling oil cylinder 43 is hinged to the crushing station body 11, and one ends of the two traction ropes 42, which are far away from the pulleys 41, are fixedly connected to the other end of the pulling oil cylinder 43. A second pin shaft 44 is rotatably connected between the pulling oil cylinder 43 and the crushing station body 11, the second pin shaft 44 is vertically arranged, and the second pin shaft 44 is located above the rotary mounting seat 5, so that the traction assembly 4 can rotate around the axis of the second pin shaft 44, and the traction assembly 4 can be driven to rotate together when the material returning belt conveyor 2 rotates.

By the telescopic motion of the pulling and holding oil cylinder 43 and the cooperation of the two groups of traction ropes 42 and the pulleys 41, the inclination angle from one end of the returning belt conveyor 2 close to the large material discharge port 13 to one end of the returning belt conveyor 2 far away from the large material discharge port 13 is adjusted, and further when the returning belt conveyor 2 is in the second working mode, the height of one end of the returning belt conveyor 2 far away from the large material discharge port 13 can adapt to transport vehicles with different heights. And the height of the material returning belt conveyor 2 is adjusted by matching the pulling oil cylinder 43, the two groups of traction ropes 42 and the pulley 41, so that the crushing device 1 cannot be over-high in the transferring process, and the transferring convenience and safety of the crushing device 1 are improved.

The support frame 6 is hinged to the part, close to the ground, of the material returning belt conveyor 2, in the first working mode, the support frame 6 can be folded to the part, close to the ground, of the material returning belt conveyor 2, and in the second working mode, one end, far away from the hinged end of the support frame 6 and the material returning belt conveyor 2, of the support frame 6 is separated from the material returning belt conveyor 2 and rotates around the hinged axis of the material returning belt conveyor 2 until the support frame contacts with the ground. The support frame 6 plays a supporting role in the material returning belt conveyor 2 in the second working mode, so that the stability of the material returning belt conveyor 2 in conveying materials to a transport vehicle for direct output is improved.

As shown in fig. 2, 3 and 4, a material receiving bin 7 is integrally formed at one end of the material returning belt conveyor 2 close to the large material discharge port 13, and the material receiving bin 7 is located right below the large material discharge port 13. The sealing device 8 is installed at the large material discharge port 13, the sealing device 8 is used for opening or sealing the large material discharge port 13, and the sealing device 8 does not interfere with the material returning belt conveyor 2 when the large material discharge port 13 is opened or sealed.

The sealing device 8 comprises a sealing bin 81 and a driving oil cylinder 82, and one side of the sealing bin 81 is hinged with the side wall of the large material discharge port 13. One end of the driving oil cylinder 82 is hinged to the side wall of the large material outlet 13, the hinged position of the driving oil cylinder 82 and the sealing bin 81 and the large material outlet 13 is located on the same side, and the other end of the driving oil cylinder 82 is hinged to the outer wall of the sealing bin 81.

By means of the extension and contraction of the driving oil cylinder 82, the sealing bin 81 is driven to rotate around the hinge axis of the sealing bin and the large material discharge port 13, so that the large material discharge port 13 is opened or closed. When the material returning belt conveyor 2 needs to be switched between the first working mode and the second working mode, the oil cylinder 82 is pneumatically driven, the oil cylinder 82 is driven to drive the sealing bin 81 to rotate and completely seal the large material discharge port 13, then the first working mode and the second working mode of the material returning belt conveyor 2 are switched, and the first working mode and the second working mode of the material returning belt conveyor 2 are switched without stopping the machine.

Principle of operation

In the work, the worker controls the material returning belt conveyor 2 to be in a first working mode, and the material returning belt conveyor 2 conveys the material discharged from the large material discharge port 13 to the feeding bin 12 for re-crushing; when the material returning belt conveyor 2 needs to be switched to the second working state, a worker firstly drives the sealing bin 81 to seal the large material outlet 13 by means of the driving oil cylinder 82, then drives the rotating arm 31 and the material returning belt conveyor 2 to rotate to proper positions by means of the rotating oil cylinder 32, and then tightens or loosens the traction rope 42 by means of the pulling and holding oil cylinder 43, so that the inclination angle of the material returning belt conveyor 2 is adjusted, the height of the tail end of the material returning belt conveyor 2 is matched with the height of a transport vehicle positioned at the tail end of the material returning belt conveyor 2, and the material discharged from the large material outlet 13 is conveyed to the transport vehicle by the material returning belt conveyor 2 to be directly output.

In the description of the present application, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the present application and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present application.

The foregoing description of specific embodiments of the present invention has been presented. It is to be understood that the present invention is not limited to the specific embodiments described above, and that various changes or modifications may be made by one skilled in the art within the scope of the appended claims without departing from the spirit of the invention. The embodiments and features of the embodiments of the present application may be combined with each other arbitrarily without conflict.