Bulk material processing device in material conveying process
Technical Field
The invention relates to the technical field of abnormal material processing of conveying chains, in particular to a device for processing large materials in a material conveying process.
Background
In the cement industry, materials for cement production are mostly transported to production facilities by conveyor chains. Due to the viscous action of some raw materials, the phenomenon of agglomeration and blocking often occurs; in some unexpected cases, there may also be some stones or the like of a larger volume on the conveyor chain. If these cubic materials are directly carried to production facility, can often block up the pan feeding mouth of production facility, cause the production accident. In the prior art, a worker is usually arranged beside the conveying chain for detection. In such a way, the energy consumption of workers is large, and the omission detection situation often occurs; labor costs are also increased.
Disclosure of Invention
The invention aims to provide a device for processing large materials in a material conveying process, which is used for solving the technical problem of processing the large materials on a material conveying chain.
The technical scheme adopted by the invention for solving the technical problems is as follows:
a bulk material processing device in the material transmission process comprises a rack, and a blocking mechanism, a capturing mechanism and a crushing mechanism which are arranged on the rack; the blocking mechanism is arranged between the lower part of the rack and the material conveying chain and comprises a blocking rod, a blocking guide cylinder, a blocking roller, a blocking reset spring and a blocking height proximity switch; the upper end of the blocking rod is sleeved in the blocking guide cylinder in a lifting manner through a blocking reset spring; the blocking height approach switch is arranged at the upper end in the blocking guide cylinder, and the blocking roller is rotatably arranged at the lower end of the blocking rod; the capturing mechanism is positioned behind the blocking mechanism and comprises a capturing box, a capturing lifting hydraulic cylinder, a capturing frame, a capturing unloading oil cylinder and a capturing unloading frame; the capturing box adopts a bottomless frame structure, the capturing lifting hydraulic cylinder is arranged at the upper end of the capturing box, and the lifting power output end of the capturing lifting hydraulic cylinder is connected with the capturing frame; the catching and discharging oil cylinder is transversely arranged at the rear end of the catching box, the catching and discharging frame is arranged at the power output end of the catching and discharging oil cylinder, and the catching and discharging frame and the catching frame are correspondingly arranged; the crushing mechanism is positioned at the front upper side of the blocking mechanism and comprises a crushing cavity, a crushing roller, a crushing driving hydraulic cylinder, a crushing motor and a crushing elastic rod; the crushing cavity is communicated with the front part of the capturing box, and the lower end of the crushing cavity is communicated with a material conveying chain below the crushing cavity by adopting a sieve plate; a crushing chute is arranged at the outer side of the crushing cavity and corresponds to the crushing roller; the crushing roller is rotatably arranged in the crushing cavity, and a plurality of crushing hammers with different lengths are arranged on the circumference of the crushing roller; the end part of the crushing roller is provided with a bearing, and the bearing can be installed in the crushing chute in a vertically sliding manner through a crushing slide block; the rotary power output end of the grinding motor is connected with the rotary power input end of the grinding roller; the crushing driving hydraulic cylinder is vertically installed on the outer side of the crushing cavity, and the power output end of the crushing driving hydraulic cylinder is connected with the crushing sliding block on the crushing sliding groove through a crushing elastic rod.
Furthermore, a separation discharging mechanism is arranged on the crushing cavity and comprises a separation electric pole, a separation hydraulic cylinder, a separation plate, a separation valve plate and a valve driving hydraulic cylinder; a separation groove is vertically arranged on the front end surface of the crushing cavity, and a separation plate is positioned in the crushing cavity and can move inside and outside by penetrating through the separation groove; a separation driving chute is longitudinally arranged on the front end surface of the crushing cavity, is longitudinally communicated with the separation groove and is arranged corresponding to the longitudinal moving direction of the separation plate; the separating electric pole is longitudinally arranged at the upper end of the crushing cavity, the separating hydraulic cylinder is transversely arranged on the longitudinal moving power output end of the separating electric pole, and the power output end of the separating hydraulic cylinder is connected with the separating plate through a separating driving slide rod; the lower end of the separation driving slide rod can be longitudinally movably arranged in the separation driving chute; a material separation window is arranged at the lower part of the inner end surface of the crushing cavity, and the separation valve plate can be vertically moved and is arranged on the material separation window; the valve driving hydraulic cylinder is vertically arranged on the upper part of the inner end surface of the crushing cavity, and the power output end of the valve driving hydraulic cylinder is connected with the separating valve plate.
Furthermore, the capturing mechanism also comprises a capturing material guide plate and a capturing material guide motor, the capturing material guide plate is hinged to the front side of the lower end of the capturing box through a capturing material guide rotating shaft, and a driven gear is arranged on the capturing material guide rotating shaft; the capturing and material guiding motor is arranged below the rack and positioned on one side of the capturing and material guiding rotating shaft, a driving gear is arranged on a rotary power output end of the capturing and material guiding motor, and the driving gear is meshed with a driven gear on the capturing and material guiding rotating shaft for driving.
Furthermore, a material guide pressure sensor is arranged on the capturing material guide plate.
Furthermore, a crushing pressure sensor is arranged between the power output end of the crushing driving hydraulic cylinder and the crushing elastic rod.
Furthermore, the lower end of the capturing frame comprises a plurality of material receiving claws which are arranged at intervals in an adjacent mode, the front end of the capturing discharging frame comprises discharging rods which are arranged at intervals in an adjacent mode, and the discharging rods and the adjacent material receiving claws are arranged in a gap mode correspondingly.
Furthermore, an unloading detection switch is arranged on the inner side wall of the rear end of the capturing box.
Furthermore, a material receiving pressure sensor is arranged on the material receiving claw.
Furthermore, the capturing lifting hydraulic cylinder is internally provided with an oil cylinder positioned at a sensor.
Furthermore, the crushing driving hydraulic cylinder adopts an oil cylinder internally provided with a sensor, and the crushing motor adopts a variable frequency motor.
The effect provided in the summary of the invention is only the effect of the embodiment, not all the effects of the invention, and one of the above technical solutions has the following advantages or beneficial effects:
1. according to the technical scheme, the abnormal height material blocks on the material conveying chain can be monitored, and the material blocks are captured and crushed in time.
2. If the blocking mechanism detects that the material blocks with abnormal heights on the material conveying chain are too many and the capturing mechanism is not in time to capture, the conveying chain can be suspended, and the working efficiency of the crushing motor is improved.
3. When the blocky materials in the crushing cavity can not be crushed, the separation discharging mechanism can lead the materials which can not be decomposed out of the crushing cavity.
Drawings
FIG. 1 is a schematic side view of an embodiment of the present invention;
FIG. 2 is an enlarged view of a portion A of FIG. 1;
FIG. 3 is an enlarged view of a portion B of FIG. 1;
FIG. 4 is an enlarged view of a portion of FIG. 1 at C;
FIG. 5 is a schematic top cross-sectional view at the capture mechanism in an embodiment of the invention;
FIG. 6 is a schematic longitudinal sectional view of the cooperative relationship of the crushing mechanism and the separate discharging mechanism in the embodiment of the present invention;
in the figure: 1. a frame; 2. a blocking lever; 3. a blocking guide cylinder; 4. blocking the roller; 5. a blocking return spring; 6. blocking the height proximity switch; 7. a catch tank; 8. capturing a lifting hydraulic cylinder; 9. a catch rack; 10. capturing a discharging oil cylinder; 11. a capturing discharging frame; 12. a catch material guide plate; 13. a trapping material guiding motor; 14. a material receiving pressure sensor; 15. a discharge detection switch; 16. a driven gear; 17. a material guiding pressure sensor; 18. a drive gear; 19. a grinding chamber; 20. a crushing roller; 21. a crushing drive hydraulic cylinder; 22. a grinding motor; 23. a crushing pressure sensor; 24. crushing the elastic rod; 25. a crushing chute; 26. a crushing slide block; 27. separating the electric pole; 28. a separating hydraulic cylinder; 29. a separation plate; 30. separating the valve plate; 31. a valve-driven hydraulic cylinder; 32. separating the driving chutes; 33. a separation tank; 34. and (5) a material separation window.
Detailed Description
In order to clearly explain the technical features of the present invention, the following detailed description of the present invention is provided with reference to the accompanying drawings. It should be noted that the components illustrated in the figures are not necessarily drawn to scale. Descriptions of well-known components and techniques are omitted so as to not unnecessarily limit the invention.
As shown in fig. 1 to 6, a device for processing bulk materials in a material conveying process comprises a frame 1, a control system, and a blocking mechanism, a capturing mechanism, a crushing mechanism and a separating and discharging mechanism which are electrically connected with the control system. The blocking mechanism is used for sensing whether the material conveying chain is provided with an ultrahigh object block or not; the capture mechanism is used for capturing and transmitting the ultrahigh object blocks to the crushing mechanism; the crushing mechanism decomposes the decomposable material blocks; the separation discharging mechanism is used for guiding the material blocks which cannot be decomposed by the crushing mechanism to the outside.
The main body part of the rack 1 is positioned above the material conveying chain, and the blocking mechanism is arranged between the main body of the rack 1 and the material conveying chain. The blocking mechanism comprises a blocking rod 2, a blocking guide cylinder 3, a blocking roller 4, a blocking reset spring 5 and a blocking height proximity switch 6 (such as an ultrasonic distance sensor), the blocking guide cylinder 3 is vertically installed on the rack 1, and the upper end of the blocking rod 2 is sleeved in the blocking guide cylinder 3 through the blocking reset spring 5 in a liftable mode. The blocking height approach switch 6 is arranged at the upper end in the blocking guide cylinder 3, and the blocking roller 4 is rotatably arranged at the lower end of the blocking rod 2. In the material conveying process, if a higher object block exists, the blocking rod 2 is lifted upwards after touching the blocking roller 4; after the height proximity switch 6 is blocked to trigger a signal, the control system starts a capture mechanism to capture the object block; and the crushing mechanism starts different crushing modes according to the blocking height detected by the blocking height proximity switch 6.
The capturing mechanism is positioned behind the blocking mechanism and comprises a capturing box 7, a capturing lifting hydraulic cylinder 8, a capturing frame 9, a capturing discharging oil cylinder 10, a capturing discharging frame 11, a capturing material guide plate 12 and a capturing material guide motor 13. The catching box 7 is installed on the frame 1, and the catching box 7 adopts a bottomless frame structure. A capturing lifting hydraulic cylinder 8 (internally provided with a cylinder positioned at a sensor) is arranged at the upper end of the capturing box 7, a capturing frame 9 is arranged in the capturing box 7 in a lifting way, and the lifting power output end of the capturing lifting hydraulic cylinder 8 is connected with the upper end of the capturing frame 9. The lower end of the capturing frame 9 comprises a plurality of material receiving claws which are adjacently arranged at intervals, and the material receiving claws are provided with material receiving pressure sensors 14; the receiving pressure sensor 14 is used for detecting whether the block materials enter the receiving claw or not so as to capture the lifting hydraulic cylinder 8 to lift the material blocks upwards through the receiving claw. The catching and discharging oil cylinder 10 is transversely arranged at the rear end of the catching box 7, and the catching and discharging frame 11 is arranged at the power output end of the catching and discharging oil cylinder; the front end of the capturing and discharging frame 11 comprises discharging rods which are arranged at intervals, and the gaps between the discharging rods and the adjacent receiving claws are correspondingly arranged. Still be equipped with the detection switch 15 of unloading (like diffuse reflection photoelectric switch) on the rear end inside wall of catch tank 7, the detection switch 15 of unloading is used for detecting whether catch frame 9 drives the cubic material and promotes to appointed height in catch tank 7 to catch unloading oil cylinder 10 drive and catch unloading frame 11, derive the cubic material in catching frame 9. The capturing material guide plate 12 is hinged to the front side of the lower end of the capturing box 7 through a capturing material guide rotating shaft, and a driven gear 16 is arranged on the capturing material guide rotating shaft; when the capturing and discharging frame 11 guides out the blocky materials in the capturing frame 9, the capturing and discharging frame is used for receiving the blocky materials and guiding the blocky materials into the crushing mechanism; the capturing and guiding plate 12 is provided with a guiding pressure sensor 17 for sensing whether the block-shaped material falls down. The capturing material guiding motor 13 is installed below the rack 1 and is located at one side of the capturing material guiding rotating shaft, a driving gear 18 is arranged on a rotary power output end of the capturing material guiding motor 13, and the driving gear 18 is meshed with a driven gear 16 on the capturing material guiding rotating shaft for driving.
The crushing mechanism is arranged on the frame 1 and positioned in front of the blocking mechanism, and comprises a crushing cavity 19, a crushing roller 20, a crushing driving hydraulic cylinder 21 (provided with a displacement sensor oil cylinder inside), a crushing motor 22 (a variable frequency motor), a crushing pressure sensor 23 and a crushing elastic rod 24. The crushing cavity 19 is communicated with and arranged in front of the catching box 7 and is arranged corresponding to the catching material guide plate 12; the lower end of the crushing cavity 19 is communicated with a material conveying chain below by adopting a sieve plate; and a crushing chute 25 is arranged on the outer side of the crushing cavity 19, and the crushing chute 25 is arranged corresponding to the crushing roller 20. The crushing roller 20 is rotatably arranged in the crushing cavity 19, and a plurality of rubber crushing hammers with different lengths are circumferentially arranged on the crushing roller 20 (so as to realize three-dimensional multi-directional impact on the block-shaped materials). The end of the crushing roller 20 is provided with a bearing which is arranged in the crushing chute 25 in a way that the bearing can slide up and down through a crushing slide block 26; the rotational power output end of the pulverizing motor 22 is connected to the rotational power input end of the pulverizing roller 20. The crushing driving hydraulic cylinder 21 is vertically arranged at the outer side of the crushing cavity 19, and the power output end of the crushing driving hydraulic cylinder 21 is connected with the crushing slide block 26 on the crushing chute 25 through a crushing elastic rod 24; a crushing pressure sensor 23 is provided between the power output end of the crushing drive hydraulic cylinder 21 and the crushing elastic rod 24. In the process of crushing the blocky materials, the crushing driving hydraulic cylinder 21 drives the crushing roller 20 to gradually move downwards, the crushing motor 22 drives the crushing roller 20 to rotate, and the blocky materials are crushed by the crushing hammer. When the crushing pressure sensor 23 senses that the pressure reaches a certain value, it is proved that the crushing roller 20 cannot move down further. If the extended length of the crushing driving hydraulic cylinder 21 corresponds to the length detected by the blocking height approach switch 6, the proof material block is decomposed; if not, it is proved that the material pieces cannot be broken down and need to be led out of the crushing chamber 19. In addition, the control system comprises a timer, and when the materials on the conveying chain are too much and concentrated and the capturing mechanism is not in time to capture, the conveying chain can be suspended; and the working efficiency of the crushing motor 22 (inverter motor) is improved.
The separation discharging mechanism is used for guiding the materials which cannot be decomposed in the crushing cavity 19 out of the crushing cavity 19 and comprises a separation electric pole 27, a separation hydraulic cylinder 28, a separation plate 29, a separation valve plate 30 and a valve driving hydraulic cylinder 31. The vertical separating groove 33 that is equipped with of the preceding terminal surface in crushing chamber 19, but the separation plate 29 is through running through separating groove 33 inside and outside removal be located crushing chamber 19, it is located after the separation plate 29 inserts in crushing chamber 19 crushing roller 20's below. The front end face of the crushing cavity 19 is longitudinally provided with a separation driving chute 32, and the separation driving chute 32 is longitudinally communicated with a separation groove 33 and is arranged corresponding to the longitudinal moving direction of the separation plate 29. The separation electric pole 27 is longitudinally arranged at the upper end of the crushing cavity 19, the separation hydraulic cylinder 28 is transversely arranged at the longitudinal movement power output end of the separation electric pole 27, and the power output end of the separation hydraulic cylinder 28 is connected with the separation plate 29 through a separation driving slide rod; the lower end of the declutching drive slide bar is mounted for longitudinal movement within a declutching drive slide slot 32. A material separation window 34 is arranged at the lower part of the inner end surface of the crushing cavity 19, and the separation valve plate 30 is arranged on the material separation window 34 in a way of moving up and down; the valve driving hydraulic cylinder 31 is vertically installed on the upper portion of the inner end face of the crushing cavity 19, and the power output end of the valve driving hydraulic cylinder 31 is connected with the separation valve plate 30. When the materials which cannot be crushed and decomposed need to be led out, the crushing roller 20 is positioned at the uppermost end of the crushing cavity 19 under the action of the crushing driving hydraulic cylinder 21, and the material separation window 34 is opened by the separation valve plate 30 under the action of the valve driving hydraulic cylinder 31; the separating plate 29 enters the crushing cavity 19 through the separating groove 33 under the action of the separating hydraulic cylinder 28, and under the longitudinal driving action of the separating electric pole 27, the separating plate 29 guides out the blocky materials in the crushing cavity 19 through the material separating window 34; after the block materials are led out, the separation discharging mechanism resets.
The control system comprises a Processor (PLC), a timer and a control panel, wherein the processor is electrically connected with the functional electric control modules respectively.
In addition to the technical features described in the specification, the technology is known to those skilled in the art.
Although the embodiments of the present invention have been described with reference to the accompanying drawings, it is not intended to limit the scope of the present invention, and various modifications and variations can be made by those skilled in the art without inventive efforts based on the technical solution of the present invention.