Discharging device of asphaltic rock flour mill

Abstract

The utility model discloses a discharging device of a bituminous rock flour mill, and relates to the technical field of bituminous rock processing, the discharging device specifically comprises a stock bin, a conveying structure, a collecting box and a dust blowing structure, the two sides of the bottom end of the stock bin are connected with crushing hammers through hydraulic telescopic rods, the crushing hammers are movably connected with the stock bin, and the collecting box is connected with the dust blowing structure. The conveying structure sequentially comprises a feeding section, a first conveying section, a second conveying section and a discharging section, a feeding opening of the feeding section is located in the bottom end of an inner cavity of the stock bin, and a discharging pipe is arranged at the bottom of the discharging section. According to the discharging device of the asphaltic rock flour mill, through the arrangement of the hydraulic telescopic rod and the crushing hammer, the crushing hammer can knock asphaltic rock under the action of the hydraulic telescopic rod and pretreat the asphaltic rock, so that the asphaltic rock can generate cracks, the hardness of the asphaltic rock is reduced, the flour milling efficiency of the asphaltic rock can be improved, and the asphaltic rock can be broken; and the situation that large-size asphaltic rock cannot be conveyed or blocks a conveying structure is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to bitumen rock processing technical field, concretely is a kind of discharging device of bitumen rock grinding machine. BACKGROUND

[0002] Bitumen rock is "naturally occurring in nature asphalt", usually called rock asphalt. Bitumen rock is close to "coal" in physical properties under natural conditions, and its main components are bitumen, resin or mineral asphalt matrix. Since bitumen rock aggregate is a heat-sensitive raw material, it cannot be used directly during use and must be crushed before use with various matrix asphalts. The crushing of bitumen rock requires a grinding machine, and the grinding machine needs to use a discharging device to transport the raw materials into the grinding machine.

[0003] In related technology, the discharging device usually includes a hopper, and the bitumen rock aggregate is accumulated in the hopper. However, due to the different sizes of the mined bitumen rock aggregate, fine powder may exist inside the aggregate, which can cause the raw materials to stick together and adhere easily, affecting the raw material transportation and grinding efficiency, and the larger size aggregate can easily block the discharging device. Therefore, the present application proposes a discharging device for a bitumen rock grinding machine. SUMMARY

[0004] The utility model provides a kind of discharging device of bitumen rock grinding machine, solve the fine powder contained in raw material in the above background technology, which can cause raw materials to stick together and adhere easily, affect raw material transportation and grinding efficiency, and larger size aggregate can easily block the discharging device.

[0005] The utility model provides the following technical scheme: a kind of discharging device of bitumen rock grinding machine, including hopper, conveying structure, collection box and dust blowing structure, the both sides of the bottom end of the hopper are connected with crushing hammer by hydraulic telescopic link, the crushing hammer is movably connected with the hopper, the conveying structure sequentially includes feeding section, first conveying section, second conveying section and discharge section, the feeding port of the feeding section is located at the bottom end of the inner cavity of the hopper, the bottom of the discharge section is equipped with discharging pipe, the side wall of both the first conveying section and the second conveying section is hollow structure, and both include inner filter screen and the outer shell fixedly connected with the outer side wall of inner filter screen, the outer shell and inner filter screen form isolation cavity, two isolation cavities are separated by partition ring, the inner cavity of the collection box is connected with the bottom end of the isolation cavity of first conveying section by discharging pipe;

[0006] Rotary shaft is movably connected in the middle part of the conveying structure inner cavity, and the outer side wall of rotary shaft is fixedly connected with helical blade, the rotary shaft sequentially includes straight rod part, exhaust part and air inlet part, the exhaust part is located in the middle part of the second conveying section inner cavity;

[0007] The dust blowing structure comprises a blower, a dust collecting hood connected with the bottom end of the discharging pipe and an air extractor, the air inlet end of the blower is connected with the dust collecting hood, the air outlet end of the blower is movably connected with the air inlet end of the air inlet part through an air outlet pipe, and the air inlet end of the air extractor is connected with the bottom end of the second conveying section isolation cavity through an air extraction pipe.

[0008] Preferably, one end of the rotating shaft extends to the outside of the conveying structure, the outside of the conveying structure is provided with a servo motor, and the output shaft end of the servo motor is connected with one end of the rotating shaft.

[0009] Preferably, one end of the straight rod part is located in the middle of the first conveying section inner cavity, the other end of the straight rod part is located in the middle of the feeding section inner cavity, and the air inlet part is located in the middle of the discharging section inner cavity.

[0010] Preferably, the air inlet part and the air outlet part are both hollow structures, and the shaft wall of the air outlet part is uniformly provided with air outlet holes.

[0011] Preferably, the cover wall of the dust collecting hood is a hollow structure, the bottom of the cover wall inner cavity of the dust collecting hood is uniformly provided with air inlet holes, the top of the cover wall inner cavity of the dust collecting hood is fixedly connected with a connecting pipe, and the other end of the connecting pipe is connected with the air inlet end of the blower.

[0012] Preferably, one side of the conveying structure is provided with a dust collector, and the air outlet end of the air extractor is connected with the air inlet end of the dust collector through an air outlet pipe.

[0013] Compared with the prior art, the utility model has the following beneficial effects:

[0014] 1. The discharging device of the asphalt rock grinding machine, through the setting of the hydraulic telescopic rod and the grinding hammer, the grinding hammer can knock the asphalt rock under the action of the hydraulic telescopic rod, the asphalt rock is pretreated, cracks are generated on the asphalt rock, the hardness of the asphalt rock is reduced, the grinding efficiency of the asphalt rock is improved, the asphalt rock can be knocked into small pieces, and the large asphalt rock can be conveyed or blocked.

[0015] 2. The discharging device of the asphalt rock grinding machine realizes the cleaning of the fine powder between the asphalt rock raw materials, avoids the influence of the fine powder on the grinding efficiency of the asphalt rock, blows off the fine powder adhered to the raw materials by the dust blowing structure, improves the cleaning effect of the fine powder between the asphalt rock raw materials, at the same time, the blower can blow the dusty air around the discharging end of the discharging pipe into the inner cavity of the air inlet part, realizes the cleaning of the dusty air around the discharging end of the discharging pipe, improves the environmental protection during use of the device, and realizes the recycling of the fine powder escaping from the feeding end of the grinding machine. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a front view of the structure of the utility model;

[0017] Figure 2 is a schematic view of the structure of the utility model from the back;

[0018] Figure 3 is a schematic view of the structure of the utility model from the bottom;

[0019] Figure 4 is a schematic view of the structure of the utility model from the bottom;

[0020] Figure 5 is a schematic view of the structure of the utility model from the bottom.

[0021] In the figure: 1, the bunker; 2, the shell; 3, the feeding section; 4, the collection box; 5, the discharge pipe; 6, the air extractor; 7, the air extraction pipe; 8, the dust hood; 9, the discharge pipe; 10, the servo motor; 11, the dust collector; 12, the air blower; 13, the air outlet pipe; 14, the connecting pipe; 15, the crushing hammer; 16, the hydraulic telescopic rod; 17, the discharge section; 18, the air inlet part; 19, the straight rod part; 20, the air outlet part; 21, the partition ring; 22, the inner filter screen; 23, the second conveying section; 24, the first conveying section; 25, the air outlet pipe; 26, the vibration motor; 27, the spiral blade. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.

[0023] The utility model provides a kind of discharging device of asphalt rock grinding machine, including bunker 1, conveying structure, collection box 4 and dust blowing structure.The bottom end of bunker 1 is connected with hydraulic telescopic rod 16 on both sides, the output shaft end of hydraulic telescopic rod 16 is connected with crushing hammer 15, and crushing hammer 15 is movably connected with the wall of bunker 1, and the position of crushing hammer 15 can be changed by the extension and retraction of hydraulic telescopic rod 16, when the asphalt rock to be crushed is placed in the storage process in the inner cavity of bunker 1, crushing hammer 15 can knock asphalt rock under the action of hydraulic telescopic rod 16, pretreat asphalt rock, make asphalt rock can produce crack, reduce the hardness of asphalt rock, to improve the grinding efficiency of asphalt rock, and can knock the asphalt rock, avoid that the asphalt rock of size is larger and blocks conveying structure, facilitate the conveying of asphalt rock.

[0024] The conveying structure sequentially comprises a feeding section 3, a first conveying section 24, a second conveying section 23 and a discharging section 17. The feeding port of the feeding section 3 is located at the bottom end of the inner cavity of the silo 1. The side walls of the first conveying section 24 and the second conveying section 23 are both hollow structures, and both comprise an inner filter screen 22 and an outer shell 2 fixedly connected to the outer side wall of the inner filter screen 22. An isolation cavity is formed between the outer shell 2 and the inner filter screen 22. The two isolation cavities are separated by a partition ring 21. The bottom of the discharging section 17 is provided with a discharging pipe 9. A rotating shaft is movably connected to the middle part of the inner cavity of the conveying structure. The outer side wall of the rotating shaft is fixedly connected with a spiral blade 27. One end of the rotating shaft extends to the outside of the conveying structure. The outside of the conveying structure is provided with a servo motor 10. The output shaft end of the servo motor 10 is connected with one end of the rotating shaft. The servo motor 10 can drive the rotating shaft to rotate when the servo motor 10 rotates. The rotating shaft drives the spiral blade 27 to rotate. The raw materials in the silo 1 can be conveyed under the action of the spiral blade 27. Finally, the raw materials are discharged through the discharging pipe 9. And in the conveying process, the fine powder contained in the raw materials will fall into the isolation cavity through the inner filter screen 22, avoiding the influence of the fine powder on the grinding efficiency of the raw materials.

[0025] The top of the inner cavity of the collection box 4 is provided with a discharging pipe 5. The other end of the discharging pipe 5 extends to the bottom end of the isolation cavity of the first conveying section 24. Through the arrangement of the discharging pipe 5, the fine powder accumulated in the isolation cavity of the first conveying section 24 falls into the inner cavity of the collection box 4 under the action of gravity, realizing the collection of the fine powder. In order to avoid the blockage of the discharging pipe 5 by the fine powder, in some embodiments of the present application, a vibration motor 26 can be embedded in the inner wall of the discharging pipe 5. The vibration generated by the vibration motor 26 when it is energized can accelerate the falling of the fine powder.

[0026] The rotating shaft described above sequentially comprises a straight rod part 19, an air exhaust part 20 and an air inlet part 18. The air exhaust part 20 is located in the middle part of the inner cavity of the second conveying section 23. One end of the straight rod part 19 is located in the middle part of the inner cavity of the first conveying section 24. The other end of the straight rod part 19 is located in the middle part of the inner cavity of the feeding section 3. The air inlet part 18 is located in the middle part of the inner cavity of the discharging section 17. The air inlet part 18 and the air exhaust part 20 are both hollow structures. Uniform air exhaust holes are arranged on the shaft wall of the air exhaust part 20.

[0027] In addition, the feeding device is provided with a dust blowing structure for blowing away the fine powder adhered to the raw materials. The dust blowing structure comprises a blower 12, a dust collecting hood 8 connected with the bottom end of the feeding pipe 9, and an air extractor 6. The air inlet end of the blower 12 is connected with the dust collecting hood 8. The cover wall of the dust collecting hood 8 is of a hollow structure. The bottom of the inner cavity of the cover wall of the dust collecting hood 8 is uniformly provided with air inlet holes. The top of the inner cavity of the cover wall of the dust collecting hood 8 is fixedly connected with a connecting pipe 14. The other end of the connecting pipe 14 is connected with the air inlet end of the blower 12. The air outlet end of the blower 12 is connected with an air outlet pipe 13. The other end of the air outlet pipe 13 is movably connected with the end of the air inlet part 18 away from the air outlet part 20. Through the arrangement of the blower 12, the air around the discharge end of the feeding pipe 9 can be blown into the inner cavity of the air inlet part 18 by the operation of the blower 12. The air in the inner cavity of the air inlet part 18 enters the inner cavity of the air outlet part 20 and is discharged through the air outlet holes. The discharged air can blow the fine powder adhered to the raw materials. Finally, the dust-containing air enters the isolation cavity of the second conveying section 23.

[0028] The air inlet end of the air extractor 6 is fixedly connected with an air extraction pipe 7. The other end of the air extraction pipe 7 is connected with the bottom end of the isolation cavity of the second conveying section 23. The dust-containing air in the isolation cavity can be extracted by the air extractor 6. One side of the conveying structure is provided with a dust collector 11. The air outlet end of the air extractor 6 is connected with the air inlet end of the dust collector 11 through an air outlet pipe 25. Under the action of the air extractor 6, the dust-containing air enters the inner cavity of the dust collector 11. The dust collector 11 filters the fine powder in the air. The clean air is discharged to the environment through the air outlet end of the dust collector 11. The dust collector 11 can be a bag-type dust collector, a cyclone dust collector, etc. in the prior art.

[0029] As known from the above description, the dust blowing structure can blow away the fine powder adhered to the raw materials, improve the cleaning effect of the fine powder between the raw materials, and clean the dust-containing air around the discharge end of the feeding pipe 9, thereby improving the environmental protection performance of the device during use.

[0030] The electric elements involved in the present application are all in the prior art. Those skilled in the art understand their connection modes. All the electric elements in the present application are connected with their matched power supplies through wires by those skilled in the art. According to the actual situation, a suitable controller is selected to meet the control requirements. The specific connection and control sequence are described below. The working sequence of the electric elements is completed. The detailed connection means is a known technology in the art. The working principle and process are mainly introduced below, and the electric control is not described.

[0031] In summary: the asphalt rock mill discharging device uses, the discharging pipe 9 is located above the asphalt rock mill feed end, the asphalt rock to be ground is stored in the hopper 1, the servo motor 10 can drive the rotating shaft to rotate, the rotating shaft drives the spiral blade 27 to rotate, the asphalt rock in the hopper 1 can be conveyed under the pushing of the spiral blade 27, and finally the asphalt rock is discharged to the feed end of the asphalt rock mill through the discharging pipe 9, so that discharging is realized. In the discharging process, the hydraulic telescopic rod 16 drives the crushing hammer 15 to move, the crushing hammer 15 knocks the asphalt rock, reduces the hardness of the asphalt rock, and crushes the asphalt rock that is too large, so that the asphalt rock is conveyed conveniently, and the fine powder in the asphalt rock enters the isolation cavity of the first conveying section 24 under the action of gravity during the movement of the asphalt rock in the first conveying section 24, the fine powder in the isolation cavity enters the collecting box 4 along the discharge pipe 5, and the asphalt rock moves in the second conveying section 23, the air blower 12 blows the dusty air around the discharging end of the discharging pipe 9 into the inner cavity of the air inlet part 18, the air in the inner cavity of the air inlet part 18 enters the inner cavity of the air outlet part 20 and is discharged through the air outlet hole, the discharged air can blow on the raw material, so that the fine powder adhered to the raw material is blown off, and finally the dusty air enters the isolation cavity of the second conveying section 23, the air blower 6 works, the air blower 6 blows the dusty air into the dust collector 11, and the dust collector 11 separates the fine powder in the air, so that the fine powder is recycled and reused.

[0032] The standard parts used in the utility model can be purchased from the market, the special-shaped parts can be ordered according to the description and the drawings, the specific connection mode of each part adopts the conventional means such as bolts in the prior art, the machinery, parts and equipment adopt conventional models in the prior art, and details are not described herein, the contents not described in detail in the specification belong to the prior art known to the person skilled in the art, although the embodiments of the utility model have been shown and described, it can be understood by the person skilled in the art that the embodiments can be changed, modified, replaced and modified in various manners without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. A discharge device for an asphalt rock grinding mill, comprising a hopper (1), a conveying structure, a collection box (4), and a dust blowing structure, characterized in that: Both sides of the bottom end of the hopper (1) are connected to crushing hammers (15) by hydraulic telescopic rods (16). The crushing hammers (15) are movably connected to the hopper (1). The conveying structure includes a feeding section (3), a first conveying section (24), a second conveying section (23), and a discharge section (17) in sequence. The feeding port of the feeding section (3) is located at the bottom of the inner cavity of the hopper (1). The bottom of the discharge section (17) is provided with a discharge pipe (9). The side walls of the first conveying section (24) and the second conveying section (23) are both hollow structures, each including an inner filter screen (22) and a shell (2) fixedly connected to the outer side wall of the inner filter screen (22). An isolation cavity is formed between the shell (2) and the inner filter screen (22). The two isolation cavities are separated by a partition ring (21). The inner cavity of the collection box (4) is connected to the bottom end of the isolation cavity of the first conveying section (24) through a discharge pipe (5). A rotating shaft is movably connected to the middle of the inner cavity of the conveying structure, and a spiral blade (27) is fixedly connected to the outer wall of the rotating shaft. The rotating shaft includes a straight rod part (19), an exhaust part (20) and an air inlet part (18) in sequence. The exhaust part (20) is located in the middle of the inner cavity of the second conveying section (23). The dust blowing structure includes a blower (12), a dust collection hood (8) connected to the bottom end of the discharge pipe (9), and an exhaust fan (6). The air inlet of the blower (12) is connected to the dust collection hood (8), and the air outlet of the blower (12) is movably connected to the end of the air inlet (18) away from the exhaust section (20) through the air outlet pipe (13). The air inlet of the exhaust fan (6) is connected to the bottom end of the isolation cavity of the second conveying section (23) through the exhaust pipe (7).

2. The discharge device for an asphalt rock grinding mill according to claim 1, characterized in that: One end of the rotating shaft extends to the outside of the conveying structure, and a servo motor (10) is provided on the outside of the conveying structure. The output shaft end of the servo motor (10) is connected to one end of the rotating shaft.

3. The discharge device for an asphalt rock grinding mill according to claim 1, characterized in that: One end of the straight rod (19) is located in the middle of the inner cavity of the first conveying section (24), the other end of the straight rod (19) is located in the middle of the inner cavity of the feeding section (3), and the air inlet (18) is located in the middle of the inner cavity of the discharge section (17).

4. The discharge device for an asphalt rock grinding mill according to claim 3, characterized in that: Both the air inlet (18) and the air outlet (20) are hollow structures, and the air outlet (20) has uniformly provided air outlet holes on its shaft wall.

5. The discharge device for an asphalt rock grinding mill according to claim 4, characterized in that: The dust collection hood (8) has a hollow structure. The bottom of the inner cavity of the dust collection hood (8) is uniformly provided with air inlet holes. The top of the inner cavity of the dust collection hood (8) is fixedly connected to a connecting pipe (14). The other end of the connecting pipe (14) is connected to the air inlet of the blower (12).

6. The discharge device for an asphalt rock grinding mill according to claim 1, characterized in that: A dust collector (11) is provided on one side of the conveying structure, and the air outlet of the exhaust fan (6) is connected to the air inlet of the dust collector (11) through an exhaust pipe (25).

Images