阅读说明：本技术 配煤机 (Coal blending machine ) 是由 李素梅 于 2020-07-01 设计创作，主要内容包括：本发明公开了一种配煤机,属于煤料混合技术领域,包括车体和三个配料斗,每个配料斗的下方均设有称重机构和运料机构,所述车体还设有的合料仓和控制装置,车体上通过转动装置转动连接有排料装置和剪叉升降装置,剪叉升降装置与排料装置铰接,称重机构包括称重皮带、密封单元和第一驱动机构,运料机构包括封闭式外壳、物料输送带和第二驱动机构,封闭式外壳内部还设清堵单元,配料斗的排出口和密封单元的出料口处固设有防堵装置,所述配料斗上设有用于清洗配料斗内壁的出水管。本发明煤料不会发生堵塞,在配煤过程中能够避免煤尘弥漫的现象产生,有利于保护环境,有利于工人的健康,便于调节称重皮带的松紧度,使用寿命长,适用于所有配煤机。(The invention discloses a coal blending machine, which belongs to the technical field of coal mixing and comprises a vehicle body and three blending hoppers, wherein a weighing mechanism and a material conveying mechanism are arranged below each blending hopper, the vehicle body is also provided with a material mixing bin and a control device, the vehicle body is rotatably connected with a discharging device and a shearing fork lifting device through a rotating device, the shearing fork lifting device is hinged with the discharging device, the weighing mechanism comprises a weighing belt, a sealing unit and a first driving mechanism, the material conveying mechanism comprises a closed shell, a material conveying belt and a second driving mechanism, a blockage removing unit is further arranged inside the closed shell, an anti-blocking device is fixedly arranged at a discharging port of each blending hopper and a discharging port of each sealing unit, and a water outlet pipe for cleaning the inner wall of each blending hopper is arranged on each blending hopper. The coal material of the invention can not be blocked, the phenomenon of coal dust diffusion can be avoided in the coal blending process, the invention is beneficial to protecting the environment, the health of workers and the adjustment of the tightness of the weighing belt, has long service life and is suitable for all coal blending machines.)

1. The utility model provides a coal blending machine, includes the automobile body and sets firmly three batching fill on the automobile body, wherein, the below of every batching fill all is equipped with weighing machine and the fortune material mechanism of mutually supporting with weighing machine, set firmly the feed bin that closes that is used for mixing the coal charge in the three fortune material mechanism on the automobile body, controlling means, its characterized in that have set firmly on the automobile body: the discharging device is rotatably connected to the vehicle body through the rotating device, a bottom support is fixedly arranged at the bottom of the vehicle body, a shear fork lifting device is fixedly arranged on the bottom support, the other end of the shear fork lifting device is hinged to the discharging device through a connecting block, and a discharging port of the material mixing bin is connected with the discharging device;

the batching hopper comprises a first side plate, a second side plate, a third side plate, a fourth side plate and a bottom plate which are sequentially connected and form a conical hopper, wherein the bottom plate of the batching hopper is obliquely arranged and is an outwardly protruding cambered surface; the fourth side plate is connected with the first side plate and the third side plate in a sliding mode through a sliding device, and a gap is formed between the fourth side plate and the bottom plate to form a discharge port for discharging coal;

the weighing mechanism comprises a weighing belt, a sealing unit and a first driving mechanism, wherein the sealing unit completely seals the upper half part of the weighing belt, the first driving mechanism is used for driving the weighing belt to rotate, a feeding hole of the sealing unit is communicated with a discharging hole of the batching hopper, and a discharging hole of the sealing unit is communicated with a feeding hole of the conveying mechanism;

the conveying mechanism comprises a closed shell, a material conveying belt fixedly arranged in the closed shell and a second driving mechanism for driving the material conveying belt to rotate, and a blockage removing unit which is positioned above the material conveying belt and used for preventing materials from being blocked is further arranged in the closed shell; the blockage removing unit comprises a support fixedly arranged on the closed type shell, a fixed rod rotatably connected to the support, a plurality of movable plates hinged to the fixed rod and a first driving part for controlling the fixed rod to rotate, the other end of each movable plate penetrates through the closed type shell and is positioned inside the closed type shell, and the movable plate penetrates through the closed type shell and is hinged to the closed type shell through a pin shaft;

the discharge port of batching fill and the discharge gate department of sealing unit set firmly and are used for preventing the stifled device that prevents the coal material jam, be equipped with the outlet pipe that is used for wasing the batching and fight the inner wall on the batching fill.

2. The coal blending machine of claim 1, wherein: the rotating device comprises a bearing seat fixedly arranged on the vehicle body, a bearing fixedly arranged on the bearing seat and a rotating shaft fixedly arranged on the bearing, and one end of the discharging device is fixedly arranged on the rotating shaft.

3. The coal blending machine of claim 2, wherein: all set firmly the right angle trapezoidal plate on first curb plate and the third curb plate, the hypotenuse of right angle trapezoidal plate is fixed with first curb plate and second curb plate, slider is including setting firmly the slide rail on the right angle side of right angle trapezoidal plate, the slider has set firmly on the slide rail, fourth curb plate and slider fixed connection, the linear electric motor who is used for driving the motion of fourth curb plate sets firmly on the right angle trapezoidal plate.

4. The coal distribution machine of any one of claims 1-3, wherein: the anti-blocking device comprises a rotating shaft, a plurality of stirring rollers fixedly arranged on the rotating shaft and a second driving part for driving the rotating shaft to rotate.

5. The coal distribution machine of claim 4, wherein: the belt weigher also comprises a tensioning component for adjusting the tightness of the weighing belt, wherein the tensioning component comprises two first carrier rollers, a second carrier roller and a third driving component for driving the first carrier rollers to move;

the first carrier roller is tightly attached to the lower surface of the upper half part of the weighing belt and is positioned in the sealing unit, and two ends of the first carrier roller are connected with the inner wall of the sealing unit in a sliding manner; the second carrier roller is tightly attached to the upper surface of the lower half part of the weighing belt and is positioned outside the sealing unit; the second carrier rollers are hinged with the two first carrier rollers through connecting rods to form a triangle, and the tensioning parts are provided with a plurality of parts.

6. The coal distribution machine of claim 5, wherein: the connecting rod is rotatably connected with the first carrier roller and the second carrier roller through fisheye bearings.

7. The coal distribution machine of claim 5 or 6, wherein: rubber sealing parts are arranged at the intersection of the weighing belt and the sealing unit, the intersection of the connecting rod and the sealing unit and the intersection of the movable plate and the closed shell.

8. The coal distribution machine of any one of claims 1-3, 5, 6, wherein: the weighing belt and the material conveying belt are groove-shaped conveying belts.

9. The coal distribution machine of claim 8, wherein: the material conveying mechanism is arranged below the weighing mechanism, and two material conveying mechanisms are arranged in parallel up and down; the two weighing mechanisms adjacent to the left side are oppositely arranged, and the discharge ports are communicated with the feed port of the upper material conveying mechanism; the discharge hole of the rightmost weighing mechanism is communicated with the feed hole of the lower material conveying mechanism; the discharge hole of the upper material conveying mechanism is also communicated with the feed hole of the lower material conveying mechanism.

10. The coal distribution machine of any one of claims 1-3, 5, 6, 9, wherein: and a crushing device for crushing the large coal blocks is arranged in the material mixing bin.

Technical Field

The invention belongs to the technical field of coal material mixing, and particularly relates to a coal blending machine.

Background

The coal blending machine is one of the important devices for coal mine production, and because the quality of coal used in different places is different, the coal blending machine is required to blend different kinds of coal and then sell the coal. After the coal blending machine among the prior art mixes the coal charge of difference, discharge through discharge device, because the place of coal blending is open, consequently, the material of last output is piled up subaerially through discharge device, because the volume of coal blending is bigger, the accumulational also than of coal charge after the discharge, in order to satisfy the accumulational of coal charge, discharge device all upwards sets up certain angle, it is higher to make discharge device's output end apart from ground, the coal charge that forms at last is piled up greatly, can not make the coal charge block up discharge device's delivery outlet. However, the disadvantage of this method is that the coal material is deposited less at the initial stage of discharging, and a large amount of dust is generated during the process of outputting and depositing the coal material from a high place to the ground, so that the powder in the coal material flies in a mess, especially when there is wind, a large amount of coal powder is carried in the air of the coal blending site, which not only wastes the coal material and affects the health of the workers on the site, but also causes serious pollution to the environment around the coal blending plant.

Disclosure of Invention

In order to solve the defects in the prior art, the invention aims to provide a coal blending machine, so as to achieve the purposes of small dust generated when the coal is finally output, no environmental pollution, accurate coal blending, no blockage in a discharge port and a transportation process and long service life of the coal blending machine.

In order to achieve the purpose, the technical scheme adopted by the invention is as follows:

a coal blending machine comprises a vehicle body and three blending hoppers fixedly arranged on the vehicle body, wherein a weighing mechanism and a material conveying mechanism matched with the weighing mechanism are arranged below each blending hopper, a material mixing bin for mixing coal materials on the three material conveying mechanisms is fixedly arranged on the vehicle body, a control device is fixedly arranged on the vehicle body, a material discharging device is rotatably connected to the vehicle body through a rotating device, a bottom support is fixedly arranged at the bottom of the vehicle body, a shearing fork lifting device is fixedly arranged on the bottom support, the other end of the shearing fork lifting device is hinged to the material discharging device through a connecting block, and a material discharging port of the material mixing bin is connected to the material discharging device;

the batching hopper comprises a first side plate, a second side plate, a third side plate, a fourth side plate and a bottom plate which are sequentially connected and form a conical hopper, wherein the bottom plate of the batching hopper is obliquely arranged and is an outwardly protruding cambered surface; the fourth side plate is connected with the first side plate and the third side plate in a sliding mode through a sliding device, and a gap is formed between the fourth side plate and the bottom plate to form a discharge port for discharging coal;

the weighing mechanism comprises a weighing belt, a sealing unit and a first driving mechanism, wherein the sealing unit completely seals the upper half part of the weighing belt, the first driving mechanism is used for driving the weighing belt to rotate, a feeding hole of the sealing unit is communicated with a discharging hole of the batching hopper, and a discharging hole of the sealing unit is communicated with a feeding hole of the conveying mechanism;

the conveying mechanism comprises a closed shell, a material conveying belt fixedly arranged in the closed shell and a second driving mechanism for driving the material conveying belt to rotate, and a blockage removing unit which is positioned above the material conveying belt and used for preventing materials from being blocked is further arranged in the closed shell; the blockage removing unit comprises a support fixedly arranged on the closed type shell, a fixed rod rotatably connected to the support, a plurality of movable plates hinged to the fixed rod and a first driving part for controlling the fixed rod to rotate, the other end of each movable plate penetrates through the closed type shell and is positioned inside the closed type shell, and the movable plate penetrates through the closed type shell and is hinged to the closed type shell through a pin shaft;

the discharge port of batching fill and the discharge gate department of sealing unit set firmly and are used for preventing the stifled device that prevents the coal material jam, be equipped with the outlet pipe that is used for wasing the batching and fight the inner wall on the batching fill.

As a limitation of the present invention: the rotating device comprises a bearing seat fixedly arranged on the vehicle body, a bearing fixedly arranged on the bearing seat and a rotating shaft fixedly arranged on the bearing, and one end of the discharging device is fixedly arranged on the rotating shaft.

As a further limitation of the invention: all set firmly the right angle trapezoidal plate on first curb plate and the third curb plate, the hypotenuse of right angle trapezoidal plate is fixed with first curb plate and second curb plate, slider is including setting firmly the slide rail on the right angle side of right angle trapezoidal plate, the slider has set firmly on the slide rail, fourth curb plate and slider fixed connection, the linear electric motor who is used for driving the motion of fourth curb plate sets firmly on the right angle trapezoidal plate.

As another limitation of the present invention: the anti-blocking device comprises a rotating shaft, a plurality of stirring rollers fixedly arranged on the rotating shaft and a second driving part for driving the rotating shaft to rotate.

As a limitation of the present invention: the belt weigher also comprises a tensioning component for adjusting the tightness of the weighing belt, wherein the tensioning component comprises two first carrier rollers, a second carrier roller and a third driving component for driving the first carrier rollers to move;

the first carrier roller is tightly attached to the lower surface of the upper half part of the weighing belt and is positioned in the sealing unit, and two ends of the first carrier roller are connected with the inner wall of the sealing unit in a sliding manner; the second carrier roller is tightly attached to the upper surface of the lower half part of the weighing belt and is positioned outside the sealing unit; the second carrier rollers are hinged with the two first carrier rollers through connecting rods to form a triangle, and the tensioning parts are provided with a plurality of parts.

As a further limitation of the invention: the connecting rod is rotatably connected with the first carrier roller and the second carrier roller through fisheye bearings.

As a further limitation of the invention: rubber sealing parts are arranged at the intersection of the weighing belt and the sealing unit, the intersection of the connecting rod and the sealing unit and the intersection of the movable plate and the closed shell.

As a fourth limitation of the present invention: the weighing belt and the material conveying belt are groove-shaped conveying belts.

As a limitation on the invention: the material conveying mechanism is arranged below the weighing mechanism, and two material conveying mechanisms are arranged in parallel up and down; the two weighing mechanisms adjacent to the left side are oppositely arranged, and the discharge ports are communicated with the feed port of the upper material conveying mechanism; the discharge hole of the rightmost weighing mechanism is communicated with the feed hole of the lower material conveying mechanism; the discharge hole of the upper material conveying mechanism is also communicated with the feed hole of the lower material conveying mechanism.

As a fifth limitation of the present invention: and a crushing device for crushing the large coal blocks is arranged in the material mixing bin.

Due to the adoption of the technical scheme, compared with the prior art, the invention has the following beneficial effects:

(1) the discharge device of the invention can rotate around the vehicle body under the pushing of the scissor device, the position of the output port of the discharge device away from the ground is adjusted, when the accumulation of coal is small, the output port of the discharge device gradually gets away from the ground along with the accumulation of coal, the generated coal dust is less, the air pollution is reduced, the bottom plate of the proportioning hopper is obliquely arranged to be beneficial to outputting the coal from the discharge port, the bottom plate is an arc surface protruding outwards, the middle position of the coal centralized output device is beneficial to preventing the coal from falling from two sides of the output device when the coal is output, the quality of mixing is influenced, the discharge port of the proportioning hopper and the discharge port of the sealing unit are both provided with anti-blocking devices, the discharge port and the weighing belt can be effectively prevented from being blocked by moist coal, the proportioning is unbalanced, the upper half part of the weighing belt is completely sealed by the sealing unit, the material conveying belt matched with the weighing belt is arranged in the sealed, the device can complete mixing of different single coals under the condition of complete sealing, avoids the generation of dust raising phenomenon when the single coals are weighed and conveyed, reduces the damage of coal dust to production fields such as workshops and the like, and improves the working environment of workers; on the other hand, after the coal blending work is finished, workers do not need to perform subsequent cleaning treatment on the coal dust diffused and scattered in the production field, so that the labor intensity of the workers is reduced;

(2) the rotating device is in rotating connection through the bearing, so that the discharging device is more stable in the rotating process, the discharging device is supported by enough strength, the friction force is smaller in the rotating process, and the rotation is smoother;

(3) the fourth side plate can move up and down along the taper direction of the batching hopper, the gap between the fourth side plate and the bottom plate can be adjusted, so that a discharge port can be timely adjusted according to the proportion of unused coal, the size of coal output is controlled, the working efficiency of the coal batching machine is improved, and the fourth side plate can move more smoothly by the matching of the slide rail and the slide block;

(4) the rotating shaft of the anti-blocking device is provided with the plurality of stirring rollers, so that the blocked coal can be effectively turned and dispersed, the discharge port of the batching hopper can discharge materials smoothly, a channel between the weighing belt and the sealing unit is smooth, and the blocking phenomenon cannot occur;

(5) the belt weighing device is provided with the tensioning component for adjusting the tightness of the weighing belt, a certain friction force is always kept between the belt and the driving roller and between the belt and the driven roller in the weighing belt by adjusting the tightness of the weighing belt, the belt is prevented from loosening and deviating to influence the normal work of the weighing belt, the tensioning component is arranged on the first carrier roller on the lower surface of the upper half part of the weighing belt, the weighing belt can be correspondingly supported, the phenomenon that the sag of the belt between the driving roller and the driven roller is out of limit due to the fact that coal on the weighing belt is too heavy is avoided, the running resistance can be properly reduced, and the stable running of the weighing belt is ensured;

(6) according to the invention, the connecting rod is rotatably connected with the first carrier roller and the second carrier roller through the fisheye bearings, so that a weighing belt is smoother in the rotating process, and the adjustment is quicker and more accurate;

(7) rubber sealing elements are arranged at the intersections of the sealing units, the closed shell and other parts, so that the sealing effect of the device can be further ensured, and coal dust can be completely prevented from being generated during coal conveying;

(8) the crushing device is arranged in the mixing bin, and can crush larger coal into small pieces to be discharged, so that the coal meets the mixing standard.

In conclusion, the coal blending machine has the advantages of novel design, ingenious structure, no blockage of coal materials, capability of avoiding the phenomenon of coal dust diffusion in the coal blending process, contribution to environmental protection, contribution to the life health of workers, convenience for adjusting the tightness of the weighing belt, long service life, capability of fundamentally avoiding the damage and pollution of the coal dust to the working environment, good economic benefit and suitability for all coal blending machines.

Drawings

The invention is described in further detail below with reference to the figures and the embodiments.

FIG. 1 is a schematic front view of an embodiment of the present invention;

fig. 2 is a schematic diagram of the internal structures of the weighing mechanism 8 and the material conveying mechanism 9 according to the embodiment of the invention;

FIG. 3 is a schematic view showing the position structure of the tension member 6 and the weighing belt 81 according to the embodiment of the present invention;

fig. 4 is a schematic structural view of the batching hopper 2 according to the embodiment of the present invention.

In the figure: 1-vehicle body, 2-batching hopper, 21-first side plate, 22-second side plate, 23-third side plate, 24-fourth side plate, 25-bottom plate, 3-right-angle trapezoidal plate, 4-sliding device, 41-sliding rail, 42-sliding block, 43-linear motor, 5-anti-blocking device, 51-rotating shaft, 52-stirring roller, 53-second driving part, 6-tensioning part, 61-first carrier roller, 62-second carrier roller, 63-connecting rod, 7-blocking-removing unit, 71-bracket, 72-fixed rod, 73-movable plate, 8-weighing mechanism, 81-weighing belt, 82-sealing unit, 9-conveying mechanism, 91-material conveying belt, 92-closed shell, 10-a discharge port, 11-a discharge device, 12-a scissor lifting device, 13-a bottom support, 14-a reinforcing rib, 15-a material mixing bin and 16-a rotating device.

Detailed Description

Preferred embodiments of the present invention will be described below with reference to the accompanying drawings. It should be understood that the coal distributor described herein is a preferred embodiment, is for purposes of illustration and explanation only, and is not to be construed as limiting the present invention.