Mine filling gelling raw material crushing device

Abstract

The utility model provides a mine filling gelling raw material crushing device which comprises a supporting base, a crushing box body, a crushing assembly, a material screening assembly and an ash discharging assembly, and the crushing assembly comprises a driving rotating shaft and an auxiliary rotating shaft; the material screening assembly comprises a material screening clamping hopper. The ash discharging assembly comprises an air hole plate; crushing blades are fixedly connected to the surfaces of the driving rotating shaft and the auxiliary rotating shaft; a placement sliding rail matched with the screening clamping hopper is arranged on the inner wall of the crushing box body and located at the bottom of the crushing blade; the screening clamping hopper is conical; through the arrangement of the material screening assembly, the separation effect is achieved, raw materials staying at the low positions of the two sides of the material screening clamping hopper can be taken out for secondary crushing till the raw materials meet the standard, the influence on the follow-up mixing effect is avoided, in addition, the ash discharging function is achieved through the arrangement of the ash discharging assembly, dust is prevented from being attached to the interior of the crushing box body, and the crushing efficiency is improved. And the service life of the crushing box body is influenced, and the working efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of mine filling gelling, in particular to a mine filling gelling raw material crushing device. Background Art

[0002] Mine filling cementation is a key link in mine filling mining technology. It involves the use of specific cementitious materials and aggregates to form a filling body with a certain strength in the goaf to control and improve the movement and deformation of the overlying rock strata and improve the stability and safety of the mine.

[0003] A Chinese patent with publication number CN212523801 U discloses a material mixing device for mining machinery, which relates to the field of mining machinery technology and includes a crushing bin and a receiving bin. A feeding funnel is provided at the upper end of the crushing bin, a first crushing roller and a second crushing roller are provided inside the crushing bin, two rotating shafts are provided horizontally below the second crushing roller, and a cutting blade is fixedly provided on each rotating shaft. A vertical rotating shaft is provided inside the receiving bin, and stirring blades are provided on the side walls of the vertical rotating shaft. A discharge port is provided at the lower end of the receiving bin, and an anti-blocking device is provided at the upper end of the discharge port. The provision of the first crushing roller and the second crushing roller in the utility model can preliminarily and evenly crush the mining raw materials, and the anti-blocking device can prevent the raw materials at the discharge port from being blocked. The entire utility model has a simple structure and is easy to operate. It can fully crush and stir the mineral raw materials, and fully mix them, thereby improving production efficiency and production quality, and is highly practical.

[0004] As mentioned above, the patent provides a mining machinery material mixing device, which can fully crush and stir the mineral raw materials, and fully mix them, thereby improving production efficiency and production quality, and is highly practical. However, for the processing of raw materials for mine filling and cementation, the initial materials are mainly some fine sand, gravel, and boulders, among which gravel and boulders need to be crushed, and in this crushing process, some materials may not be completely crushed, and direct use will affect the mixing effect. In addition, during the crushing process, more dust will be generated. If it is still attached to the inside of the equipment, it will affect the service life of the equipment, and the overall work efficiency needs to be improved. Utility Model Content

[0005] The utility model provides a mine filling gelled raw material crushing device to solve the problems raised in the background technology.

[0006] The hopper is a kind of crushing device for crushing cemented raw materials of mine filling, and it comprises a supporting base, a crushing box, a crushing assembly, a screening assembly and an ash discharging assembly, wherein the crushing assembly comprises an active rotating shaft and an auxiliary rotating shaft; the screening assembly comprises a screening hopper; the ash discharging assembly comprises an air vent plate; the surfaces of the active rotating shaft and the auxiliary rotating shaft are fixedly connected to the crushing blade; the inner wall of the crushing box and the bottom of the crushing blade are provided with a placement slide rail adapted for the screening hopper; the shape of the screening hopper is set to be conical; the surface of the screening hopper is slidably connected to the inner wall of the placement slide rail; one side of the screening hopper passes through the crushing box and extends to one side of the crushing box; the surface of the screening hopper is fixedly connected to the pull-out plate on one side of the crushing box; the surface of the air vent plate is fixedly connected to the top of the crushing box; the top of the air vent plate is fixedly connected to the ash collecting hopper; the top of the ash collecting hopper is connected to the air pump; the surface of the air pump is connected to the external flange.

[0007] Preferably: a material guide oblique block is fixedly connected to one side of the inner wall of the crushing box; a transmission cavity is opened inside the material guide oblique block; one end of the active rotating shaft and the auxiliary rotating shaft both pass through the material guide oblique block and extend to the inside of the transmission cavity; the two ends of the active rotating shaft and the auxiliary rotating shaft are respectively rotatably connected to the inner wall of the crushing box and the inside of the material guide oblique block.

[0008] Preferably: the number of the auxiliary rotating shafts is set to four, and the four auxiliary rotating shafts are symmetrically arranged on both sides of the driving rotating shaft; one end of the four auxiliary rotating shafts is fixedly connected to an auxiliary gear and a transmission gear respectively; one end of the driving rotating shaft is fixedly connected to a driving gear; the number of the auxiliary gear and the transmission gear are both set to two, and the two auxiliary gears and the transmission gear are symmetrically arranged on both sides of the driving gear respectively; the surface of the driving gear is meshed with the surfaces of the two auxiliary gears; the surface of the auxiliary gear is meshed with the surface of the transmission gear.

[0009] Preferably: a motor barrel is fixedly connected to one side of the crushing box; an electric motor is fixedly connected to the inside of the motor barrel; the output shaft of the electric motor is fixedly connected to a transmission shaft through a coupling; one end of the transmission shaft sequentially passes through the crushing box and the guide bevel and extends to the inside of the transmission cavity; the end of the transmission shaft located inside the transmission cavity is fixedly connected to the surface of the driving gear.

[0010] Preferably, the top of the support base is fixedly connected to the bottom of the crushing box; and a protective box cover is hinged on one side of the top of the crushing box.

[0011] The beneficial effects of adopting the above technical solution are:

[0012] By setting up a screening component, when working, the screening hopper is used to screen the materials and collect some incompletely crushed raw materials. At the same time, the screening hopper is set to a cone shape, so that the crushed raw materials can slide on both sides of the screening hopper. At the same time, due to the vibration generated by the fall, the completely crushed raw materials can fall directly from the screening hopper, and the incomplete raw materials, due to their large volume, will continue to slide to the low places on both sides of the screening hopper due to vibration, thereby avoiding blockage, thereby achieving the effect of separation. The raw materials staying at the low places on both sides of the screening hopper can be taken out for secondary crushing until they meet the standards, avoiding affecting the subsequent mixing effect. In addition, an ash discharge component is set. When the dust is generated by crushing, the vacuum pump is used to evacuate the interior, so that the internal dust passes through the air vent plate into the ash hopper, and then is discharged by the vacuum pump, thereby realizing the ash discharge function, thereby avoiding the problem of dust adhering to the inside of the crushing box and affecting the service life of the crushing box, thereby improving work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model.

[0014] Figure 2 It is a schematic diagram of the transverse cross-sectional structure of the present invention.

[0015] Figure 3 It is a schematic diagram of the longitudinal cross-sectional structure of the utility model.

[0016] Figure 4 It is a schematic diagram of part of the structure of the utility model.

[0017] Figure 5 This is a schematic diagram of the transmission structure of the electric motor of the present utility model.

[0018] Figure 6 It is a schematic diagram of the screening material hopper structure in the utility model.

[0019] Among them: 1. Support base; 2. Crushing box; 3. Active rotating shaft; 4. Auxiliary rotating shaft; 5. Screening bucket; 6. Ventilation plate; 7. Crushing blade; 8. Placement slide rail; 9. Pull-out plate; 10. Ash collecting hopper; 11. Air pump; 12. External flange; 13. Material guide bevel; 14. Transmission chamber; 15. Auxiliary gear; 16. Transmission gear; 17. Active gear; 18. Motor cylinder; 19. Electric motor; 20. Transmission shaft; 21. Protective box cover. DETAILED DESCRIPTION

[0020] The embodiments of the present invention are described in detail below with reference to the accompanying drawings.

[0021] In the description of this utility model, unless otherwise specified, "plurality" means two or more; the terms "upper," "lower," "left," "right," "inner," "outer," "front end," "rear end," "head," "tail," etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings and are intended solely to facilitate the description of this utility model and simplify the description. They do not indicate or imply that the devices or components referred to must have a specific direction, be constructed, or operate in a specific direction, and therefore should not be construed as limiting this utility model. Furthermore, the terms "first," "second," "third," etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0022] In the description of this utility model, it should be noted that, unless otherwise specified or limited, the terms "connected" and "connection" should be understood in a broad sense. For example, they can refer to fixed connections, detachable connections, movable connections, or integral connections; they can refer to mechanical connections or electrical connections; and they can refer to direct connections or indirect connections through an intermediary. Those skilled in the art will understand the specific meanings of the above terms in this utility model based on the specific circumstances.

[0023] like Figure 1 - Figure 6 As shown in this embodiment, a mine filling gelled raw material crushing device includes a supporting base 1, a crushing box 2, a crushing assembly, a screening assembly and an ash discharge assembly, wherein the crushing assembly includes an active rotating shaft 3 and an auxiliary rotating shaft 4; the screening assembly includes a screening hopper 5; the ash discharge assembly includes a vent plate 6; the surfaces of the active rotating shaft 3 and the auxiliary rotating shaft 4 are fixedly connected to crushing blades 7; the inner wall of the crushing box 2 and the bottom of the crushing blade 7 are provided with a placement slide rail 8 adapted to the screening hopper 5; the screening hopper 5 is provided with a vent plate 6; the vent plate 6 includes an active rotating shaft 3 and an auxiliary rotating shaft 4 ... The shape is set to be conical; the surface of the screening hopper 5 is slidably connected to the inner wall of the slide rail 8; one side of the screening hopper 5 passes through the crushing box 2 and extends to one side of the crushing box 2; the surface of the screening hopper 5 on one side of the crushing box 2 is fixedly connected with a pull-out plate 9; the surface of the air vent plate 6 is fixedly connected to the top of the crushing box 2; the top of the air vent plate 6 is fixedly connected with an ash collecting hopper 10; the top of the ash collecting hopper 10 is connected to an air suction pump 11; the surface of the air suction pump 11 is connected to an external flange 12.

[0024] Through the above technical solution, the crushing assembly and the screening assembly are arranged inside the crushing box 2, and the ash discharge assembly is arranged inside the crushing box 2. During crushing, the rotation of the active rotating shaft 3 and the auxiliary rotating shaft 4 drives the crushing blade 7 to rotate, thereby crushing the raw materials. A slide rail 8 is placed on the inner wall of the crushing box 2 to support the sliding screening hopper 5, and the screening hopper 5 can be pulled out by the pull-out plate 9 to facilitate the removal of the raw materials on its surface. The external flange 12 is fixed to the surface of the vacuum pump 11 for externally connecting the pipeline to facilitate the discharge of the collected dust. During operation, the screening hopper 5 is used to screen the materials and collect some raw materials that are not completely crushed. At the same time, the screening hopper 5 is set to a cone so that the crushed raw materials can slide on both sides of the screening hopper 5. At the same time, due to the falling The vibration generated under the crushing mechanism enables the completely crushed raw materials to fall directly from the screening hopper 5, while the incomplete raw materials, due to their large volume, will continuously slide to the low places on both sides of the screening hopper 5 due to the vibration, thereby avoiding blockage, thereby achieving the effect of separation, and the raw materials staying at the low places on both sides of the screening hopper 5 can be taken out for secondary crushing until they meet the standards, avoiding affecting the subsequent mixing effect. In addition, an ash discharge component is provided. When the dust is crushed, the vacuum pump 11 evacuates the interior, so that the internal dust passes through the air vent plate 6 into the ash collecting hopper 10, and is then discharged by the vacuum pump 11, thereby achieving the ash discharge function, thereby avoiding the problem of dust adhering to the inside of the crushing box 2 and affecting the service life of the crushing box 2, thereby improving work efficiency.

[0025] like Figure 2 、 Figure 3 and Figure 5As shown, one side of the inner wall of the crushing box 2 is fixedly connected with a guide inclined block 13; a transmission cavity 14 is opened inside the guide inclined block 13; one end of the active rotating shaft 3 and the auxiliary rotating shaft 4 both pass through the guide inclined block 13 and extend into the interior of the transmission cavity 14; the two ends of the active rotating shaft 3 and the auxiliary rotating shaft 4 are respectively rotatably connected with the inner wall of the crushing box 2 and the interior of the guide inclined block 13; the number of the auxiliary rotating shafts 4 is set to four, and the four auxiliary rotating shafts 4 are symmetrically arranged on both sides of the active rotating shaft 3; one end of the four auxiliary rotating shafts 4 is respectively fixedly connected with an auxiliary gear 15 and a transmission gear 16; one end of the active rotating shaft 3 is fixedly connected with a driving gear 17; the auxiliary gear 15 and the transmission gear 16 are The number is set to two, and the two auxiliary gears 15 and the transmission gear 16 are symmetrically arranged on both sides of the driving gear 17; the surface of the driving gear 17 is meshed with the surfaces of the two auxiliary gears 15; the surface of the auxiliary gear 15 is meshed with the surface of the transmission gear 16; one side of the crushing box 2 is fixedly connected to the motor barrel 18; the inside of the motor barrel 18 is fixedly connected to the motor 19; the output shaft of the motor 19 is fixedly connected to the transmission shaft 20 through a coupling; one end of the transmission shaft 20 passes through the crushing box 2 and the guide bevel 13 in sequence and extends to the inside of the transmission cavity 14; the end of the transmission shaft 20 located inside the transmission cavity 14 is fixedly connected to the surface of the driving gear 17.

[0026] Through the above technical solution, the guide inclined block 13 is used to guide the raw materials to be crushed into the crushing blade 7, the transmission cavity 14 is opened inside the guide inclined block 13, the driving shaft 3 and the auxiliary shaft 4 are all passed through the transmission cavity 14, one end of the driving shaft 3 is fixed to the driving gear 17, four auxiliary shafts 4 are provided, two of which are fixed with the auxiliary gear 15, and the other two are fixed with the transmission gear 16, and the two auxiliary gears 15 and the transmission gear 16 are symmetrically arranged on both sides of the driving gear 17, respectively. In addition, a motor cylinder 18 is fixed on one side of the crushing box 2, and the motor 19 is fixed inside the motor cylinder 18. The motor 19 works When the output shaft drives the transmission shaft 20 to start rotating, one end of the transmission shaft 20 passes through the interior of the transmission cavity 14, and the other end located inside the transmission cavity 14 is fixed to the driving gear 17, so that the transmission shaft 20 rotates to drive the driving gear 17 to start rotating. After the driving gear 17 rotates, it drives the driving shaft 3 and the two auxiliary gears 15 to start rotating. After the two auxiliary gears 15 rotate, they drive the two auxiliary shafts 4 and the two transmission gears 16 to start rotating. The rotation of the transmission gear 16 drives the other two auxiliary shafts 4 to start rotating, thereby realizing that the adjacent crushing blades 7 rotate in opposite directions, maintaining the relative rotation during crushing, and improving the crushing effect.

[0027] like Figure 1As shown, the top of the support base 1 is fixedly connected to the bottom of the crushing box 2; a protective box cover 21 is hinged on one side of the top of the crushing box 2.

[0028] Through the above technical solution, the support base 1 is fixed to the bottom of the crushing box 2, and the crushing box 2 is supported by the support base 1. The protective box cover 21 is hinged to one side of the top of the crushing box 2 to prevent dust from floating out during crushing.

[0029] Finally, it should be noted that the above implementation cases are only used to illustrate the present invention, rather than to limit the technical solutions described in the present invention; therefore, although this specification has described the present invention in detail with reference to the above embodiments, ordinary technicians in this field should understand that the present invention can still be modified or replaced by equivalents, and all technical solutions and improvements that do not depart from the spirit and scope of the present invention should be included in the scope of the claims of the present invention; technologies not described in detail in the present invention are implemented with existing technologies.

Claims

1. A mine filling gelled material crushing device, comprising a support base (1), a crushing box (2), a crushing assembly, a screening assembly and an ash discharge assembly, characterized in that: The crushing assembly comprises an active rotating shaft (3) and an auxiliary rotating shaft (4); the screening assembly comprises a screening hopper (5); the ash discharge assembly comprises an air vent plate (6); the surfaces of the active rotating shaft (3) and the auxiliary rotating shaft (4) are fixedly connected with crushing blades (7); a placement slide rail (8) adapted to the screening hopper (5) is provided on the inner wall of the crushing box (2) and at the bottom of the crushing blade (7); the shape of the screening hopper (5) is set to be conical; the surface of the screening hopper (5) is in contact with the inner surface of the placement slide rail (8); The crushing box (2) is connected to the crushing box (2) by sliding; one side of the screening hopper (5) passes through the crushing box (2) and extends to one side of the crushing box (2); the surface of the screening hopper (5) located on one side of the crushing box (2) is fixedly connected to a pull-out plate (9); the surface of the air vent plate (6) is fixedly connected to the top of the crushing box (2); the top of the air vent plate (6) is fixedly connected to an ash collecting hopper (10); the top of the ash collecting hopper (10) is connected to an air extraction pump (11); the surface of the air extraction pump (11) is connected to an external flange (12).

2. The mine filling gelled raw material crushing device according to claim 1, characterized in that: A guide slant block (13) is fixedly connected to one side of the inner wall of the crushing box (2); a transmission cavity (14) is provided inside the guide slant block (13); one end of each of the active rotating shaft (3) and the auxiliary rotating shaft (4) passes through the guide slant block (13) and extends into the interior of the transmission cavity (14); and both ends of the active rotating shaft (3) and the auxiliary rotating shaft (4) are rotatably connected to the inner wall of the crushing box (2) and the interior of the guide slant block (13), respectively.

3. The mine filling gelled raw material crushing device according to claim 1, characterized in that: The number of the auxiliary rotating shafts (4) is set to four, and the four auxiliary rotating shafts (4) are symmetrically arranged on both sides of the driving rotating shaft (3); one end of the four auxiliary rotating shafts (4) is fixedly connected to an auxiliary gear (15) and a transmission gear (16); one end of the driving rotating shaft (3) is fixedly connected to a driving gear (17); the number of the auxiliary gear (15) and the transmission gear (16) is set to two, and the two auxiliary gears (15) and the transmission gear (16) are symmetrically arranged on both sides of the driving gear (17); the surface of the driving gear (17) is meshed with the surfaces of the two auxiliary gears (15); the surface of the auxiliary gear (15) is meshed with the surface of the transmission gear (16).

4. The mine filling gelled raw material crushing device according to claim 1, characterized in that: A motor cylinder (18) is fixedly connected to one side of the crushing box (2); an electric motor (19) is fixedly connected to the interior of the motor cylinder (18); an output shaft of the electric motor (19) is fixedly connected to a transmission shaft (20) via a coupling; one end of the transmission shaft (20) sequentially passes through the crushing box (2) and the guide block (13) and extends to the interior of the transmission cavity (14); one end of the transmission shaft (20) located inside the transmission cavity (14) is fixedly connected to the surface of the driving gear (17).

5. The mine filling gelled raw material crushing device according to claim 1, characterized in that: The top of the support base (1) is fixedly connected to the bottom of the crushing box (2); a protective box cover (21) is hinged on one side of the top of the crushing box (2).

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