CN216025150U

CN216025150U - Coal gangue crushing and screening machine

Info

Publication number: CN216025150U
Application number: CN202122045820.0U
Authority: CN
Inventors: 王磊磊; 葛成功; 章翔宇
Original assignee: Huaibei Qiangli Gangue Building Material Comprehensive Utilization Co ltd
Current assignee: Huaibei Qiangli Gangue Building Material Comprehensive Utilization Co ltd
Priority date: 2021-08-27
Filing date: 2021-08-27
Publication date: 2022-03-15
Anticipated expiration: 2031-08-27

Abstract

The utility model discloses a coal gangue crushing and screening machine which comprises a crushing box, a crushing unit, a screening unit and a bracket, wherein the crushing box is arranged at the upper part of the crushing box; a discharge port is formed in the lower end of the crushing box, and a screening unit is arranged right below the discharge port; broken unit includes a motor support, a motor, transmission shaft, gear and crushing tooth post, the front end surface of broken case is equipped with a motor support of U type, a motor support fixed connection motor, the inside of broken case is rotated and is connected with two transmission shafts, and the one end of two transmission shafts extends to the outside of broken case and fixed connection gear respectively, two gear intermeshing, and the output shaft of the tip fixed connection motor of one of them transmission shaft, the transmission shaft is located the crushing tooth post of the part axial fixed connection of broken incasement, and its broken structure is comparatively various, and is high to the crushing efficiency of gangue, and the total consumption of equipment is great, and at the bottom of the energy consumption, the maintenance cost is lower, and is better to the whole crushing effect of gangue.

Description

Coal gangue crushing and screening machine

Technical Field

The utility model relates to the technical field of coal gangue crushing and screening, in particular to a coal gangue crushing and screening machine.

Background

In coal mining, partial coal gangue is generated, solid waste discharged in coal mining and coal washing processes during coal gangue is generated, the coal gangue is mainly used for producing building materials such as gangue cement, lightweight aggregate of concrete, refractory bricks and the like, and the crushing and reprocessing of the coal gangue is an important part.

The coal gangue crushing equipment provided with application number 99247696.8 in the prior art is composed of a hammer crusher and is characterized in that one side of the hammer crusher is provided with an installation frame, a vertical shaft crusher is installed above the installation frame, a vibrating screen is arranged in the installation frame below the vertical shaft crusher, a coarse material outlet of the vibrating screen is connected with a feed inlet of the hammer crusher through a chute, a coarse material outlet of the vibrating screen is positioned above the feed inlet of the hammer crusher, and the lower parts of the vibrating screen and the hammer crusher are respectively communicated with an aging bin below the vibrating screen and the hammer crusher.

Its broken structure is comparatively single, and is not high to the crushing efficiency of gangue, and the total consumption of equipment is great, and the energy consumption is high, and the maintenance cost is high, and is relatively poor to the holistic crushing effect of gangue.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects in the prior art, and provides a coal gangue crushing and screening machine which has various crushing structures, high crushing efficiency on coal gangue, large total power consumption of equipment, low energy consumption, low maintenance cost and good integral crushing effect on coal gangue and can effectively solve the problems in the background art.

In order to achieve the purpose, the utility model provides the following technical scheme: a coal gangue crushing and screening machine comprises a crushing box, a crushing unit, a screening unit and a bracket;

a crushing box: the lower end of the sieve is provided with a discharge port, and a screening unit is arranged right below the discharge port;

a crushing unit: the crushing device comprises a first motor support, a first motor, transmission shafts, gears and crushing tooth columns, wherein the first U-shaped motor support is arranged on the surface of the front end of the crushing box, the first motor support is fixedly connected with the first motor, the inner part of the crushing box is rotatably connected with the two transmission shafts, one ends of the two transmission shafts extend to the outer side of the crushing box and are respectively and fixedly connected with the gears, the two gears are meshed with each other, the end part of one transmission shaft is fixedly connected with an output shaft of the first motor, part of the transmission shaft, which is positioned in the crushing box, is axially and fixedly connected with the crushing tooth columns, the crushing tooth columns on the two transmission shafts are arranged in a staggered mode, and the input end of the first motor is electrically connected with the output end of an external power supply through an external control switch group;

a support: are arranged at the lower sides of the front and the rear end surfaces of the crushing box.

The coal gangue to be processed is sent into broken case from the feed inlet, opens the rotation that the motor drove the transmission shaft, and motor support promotes the job stabilization nature of motor one, then a gear of transmission shaft outer end rotates, and the gear further meshes, drives the rotation of another gear, makes two transmission shafts drive two simultaneously and smashes the tooth post and rotate, carries out the breakage to the coal gangue, promotes crushing efficiency, the stability of broken case when support promotes the operation.

Further, crushing unit still includes square rectangular, the inside left and right sides of broken case vertical array respectively has square rectangular. The square strip reduces the large coal gangue in the crushing box, and the integral crushing effect is improved.

Further, the screening unit includes T type support, finished product transport plate, T type slider, screening bushing plate and screening power unit, the discharge gate downside of broken case is equipped with T type support, two T type grooves have been seted up to the upper end of T type support, the upper end of T type support is equipped with screening power unit, the bottom surface one end of finished product transport plate is connected to screening power unit's upside one end, the other end bottom surface of finished product transport plate is equipped with T type slider, the right-hand member in right-hand member T type groove of T type slider sliding connection. After the gangue is broken, discharge from the discharge gate, arrange the screening bushing on the T type support in, carry out the defective products and filter, on the finished product transport plate was arranged in to the gangue powder after the filtration, and screening bushing and finished product transport plate all put to the right side to one side, further make finished product transport plate and screening bushing have relative slip through screening power unit in the screening process, promote the efficiency of screening, T type slider supports the one end of screening bushing, promotes job stabilization nature.

Furthermore, the screening power mechanism comprises a second motor, a support bar, a square sliding block, a first connecting rod, a second connecting rod, an L-shaped support frame and a fixing bolt, the T-shaped groove at the left end of the T-shaped support is connected with a second motor in a sliding way, the left end of the T-shaped groove at the right end is connected with a square sliding block in a sliding way, the upper end of the second motor is fixedly connected with the lower end of the supporting bar, the output shaft of the second motor is fixedly connected with one end of a second connecting rod, the other end of the second connecting rod is movably connected with the first connecting rod, the other end of the first connecting rod is movably connected with the front end surface of the square sliding block through a rotating shaft, the upper end of the square sliding block is provided with an L-shaped supporting frame, the top of the L-shaped supporting frame is connected with the front end of the screening bushing through a fixing bolt, and the screening bushing plate is connected with the upper end surface of the material conveying plate in a sliding manner, and the input end of the motor II is electrically connected with the output end of an external power supply through an external control switch group. When screening, motor two links to each other with finished product transport plate through the support bar on top, can make finished product transport plate carry out the activity ejection of compact, open motor two, drive the rotation of connecting rod two, connecting rod two drives the activity of connecting rod one, further drive the activity about the square slider, the square slider drives the activity of screening the bushing through the L type support frame at top, promote the efficiency of screening, fixing bolt promotes the stability when screening the bushing operation, unqualified gangue can be recollected and carry out secondary operation.

Furthermore, the screening power mechanism further comprises springs, the left end and the right end of the second motor and the left end and the right end of the square sliding block are respectively provided with two springs, and one ends, far away from the second motor, of the two springs are respectively and fixedly connected with the inner end face of the T-shaped groove. During operation, the spring makes motor two and square slider relative movement, further drives the relative activity of finished product transport plate and screening bushing, promotes screening efficiency.

Further, still include conveyer belt and conveyer belt support, the left end upper side of broken case is opened and is equipped with the feed port, and both ends are equipped with the conveyer belt support of two U types respectively around the feed inlet downside, the top of conveyer belt support is equipped with the conveyer belt. During the defeated material, in order to prevent the stone condition of splashing that the gangue probably appears during the operation, carry out defeated material through the conveyer belt, promote the security, the conveyer belt support promotes the stability when defeated material, guarantee operation personnel safety.

Further, still include storage case and strengthening rib, be equipped with the storage case under the one end opening part of finished product transport plate, the support middle part at both ends is equipped with the strengthening rib respectively around. The storage case is convenient for collect the gangue after the screening, and the strengthening rib further stabilizes the support, promotes job stabilization nature.

Compared with the prior art, the utility model has the beneficial effects that: this gangue crushing and screening machine has following benefit:

1. the coal gangue crushing and screening machine is provided with the crushing tooth columns distributed in a staggered manner, so that the coal gangue can be comprehensively crushed and processed in the crushing process, and the large block rate of the coal gangue is reduced and the crushing effect is improved through the square strips at the two ends;

2. according to the gangue crushing and screening machine, defective products are filtered from the processed gangue through the movement of the screening bushing, so that the gangue crushing and screening machine is convenient to collect, and can be used for performing subsequent secondary processing, thereby improving the working efficiency;

3. this broken sieve separator of gangue, its broken structure is comparatively various, and is high to the crushing efficiency of gangue, and the total consumption of equipment is great, at the bottom of the energy consumption, and the maintenance cost is lower, and is better to the whole crushing effect of gangue.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic cross-sectional view of the present invention.

In the figure: 1 crushing box, 2 crushing units, 21 motor first support, 22 motor first support, 23 transmission shaft, 24 gear, 25 crushing tooth column, 26 square strip, 3 screening units, 31T-shaped support, 32 motor second support, 33 support bar, 34 finished material conveying plate, 35T-shaped slide block, 36 square slide block, 37 connecting rod first, 38 connecting rod second, 39L-shaped support frame, 310 screening bushing plate, 311 spring, 312 fixing bolt, 4 conveyor belt, 5 conveyor belt support, 6 storage box, 7 support and 8 reinforcing ribs.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-2, the present embodiment provides a technical solution: a coal gangue crushing and screening machine comprises a crushing box 1, a crushing unit 2, a screening unit 3 and a bracket 7;

crushing box 1: the lower end of the sieve is provided with a discharge port, and a screening unit 3 is arranged right below the discharge port;

the crushing unit 2: the crushing box comprises a first motor support 21, a first motor 22, transmission shafts 23, gears 24 and crushing tooth columns 25, wherein the front end surface of the crushing box 1 is provided with the first U-shaped motor support 21, the first motor support 21 is fixedly connected with the first motor 22, the crushing box 1 is internally and rotatably connected with the two transmission shafts 23, one ends of the two transmission shafts 23 extend to the outer side of the crushing box 1 and are respectively and fixedly connected with the gears 24, the two gears 24 are mutually meshed, the end part of one transmission shaft 23 is fixedly connected with the output shaft of the first motor 22, the part of the transmission shaft 23, which is positioned in the crushing box 1, is axially and fixedly connected with the crushing tooth columns 25, the crushing tooth columns 25 on the two transmission shafts 23 are arranged in a staggered mode, and the input end of the first motor 22 is electrically connected with the output end of an external power supply through an external control switch group;

the crushing unit 2 further comprises a square strip 26, and the left side and the right side of the inside of the crushing box 1 are respectively vertically arrayed with the square strip 26. The square strip 26 reduces the large coal gangue in the crushing box 1, and improves the overall crushing effect.

And (7) a bracket: are arranged at the lower sides of the front and the rear end surfaces of the crushing box 1.

The coal gangue to be processed is sent into crushing case 1 from the feed inlet, opens motor 22 and drives the rotation of transmission shaft 23, and motor support 21 promotes motor 22's job stabilization nature, then a gear 24 of transmission shaft 23 outer end rotates, and gear 24 further meshes, drives the rotation of another gear 24, makes two transmission shafts 23 drive two simultaneously and smashes the rotation of tooth post 25, carries out the breakage to the coal gangue, promotes crushing efficiency, and support 7 promotes the stability of crushing case 1 when the operation.

Screening unit 3 includes T type support 31, finished product transport plate 34, T type slider 35, screening bushing 310 and screening power unit, and broken case 1's discharge gate downside is equipped with T type support 31, and two T type grooves have been seted up to T type support 31's upper end, and T type support 31's upper end is equipped with screening power unit, and screening power unit's upside one end is connected finished product transport plate 34's bottom surface one end, and finished product transport plate 34's other end bottom surface is equipped with T type slider 35, and T type slider 35 sliding connection right-hand member T type groove's right-hand member. After the gangue is broken, discharge from the discharge gate, arrange screening bushing 310 on T type support 31 in, carry out the defective products and filter, the gangue powder after the filtration is arranged in on the finished product transport plate 34, and screening bushing 310 and finished product transport plate 34 all put to the right side slant, further make finished product transport plate 34 and screening bushing 310 have relative slip through screening power unit in the screening process, promote the efficiency of screening, T type slider 35 supports the one end of screening bushing 310, promote job stabilization nature.

The screening power mechanism comprises a second motor 32, a support bar 33, a square sliding block 36, a first connecting rod 37, a second connecting rod 38, an L-shaped support frame 39 and a fixing bolt 312, wherein a T-shaped groove at the left end of a T-shaped support 31 is connected with the second motor 32 in a sliding manner, a square sliding block 36 is connected at the left end of a T-shaped groove at the right end in a sliding manner, the upper end of the second motor 32 is fixedly connected with the lower end of the support bar 33, an output shaft of the second motor 32 is fixedly connected with one end of the second connecting rod 38, the other end of the second connecting rod 38 is movably connected with the first connecting rod 37, the other end of the first connecting rod 37 is movably connected with the front end face of the square sliding block 36 through a rotating shaft, the upper end of the square sliding block 36 is provided with the L-shaped support frame 39, the top of the L-shaped support frame 39 is connected with the front end of the screening bushing 310 through the fixing bolt 312, and the screening bushing 310 is connected with the upper end surface of the material conveying plate 34 in a sliding manner, and the input end of the second motor 32 is electrically connected with the output end of an external power supply through an external control switch group. When screening, two 32 motors link to each other through the support bar 33 on top and finished product transport plate 34, can make finished product transport plate 34 carry out the ejection of compact that moves about, open two 32 motors, drive the rotation of two 38 connecting rods, two 38 connecting rods drive the activity of a connecting rod 37, further drive the activity about square slider 36, square slider 36 drives the activity of screening bushing 310 through the L type support frame 39 at top, promote the efficiency of screening, stability when fixing bolt 312 promotes screening bushing 310 operation, unqualified gangue can be recollected and carry out secondary operation.

The screening power mechanism further comprises a spring 311, the two springs 311 are arranged at the left end and the right end of the second motor 32 and the two square sliding blocks 36 respectively, one ends, far away from the second motor 32, of the two springs 311 are fixedly connected with the inner end faces of the T-shaped grooves respectively, and during operation, the second motor 32 and the square sliding blocks 36 move relatively through the springs 311, so that the finished product conveying plate 34 and the screening bushing plate 310 are further driven to move relatively, and the crushing efficiency is improved.

Still include conveyer belt 4 and conveyer belt support 5, the left end upper side of broken case 1 is opened and is equipped with the feed port, and both ends are equipped with the conveyer belt support 5 of two U types respectively around the feed inlet downside, and the top of conveyer belt support 5 is equipped with conveyer belt 4. During the defeated material, in order to prevent the stone condition of splashing that the gangue probably appears during the operation, carry out defeated material through conveyer belt 4, promote the security, conveyer belt support 5 promotes the stability when defeated material, guarantee operation personnel safety.

The material storage box is characterized by further comprising a material storage box 6 and reinforcing ribs 8, wherein the material storage box 6 is arranged right below an opening at one end of the finished material conveying plate 34, and the reinforcing ribs 8 are arranged in the middle of the supports 7 at the front end and the rear end respectively. Storage case 6 is convenient for collect the gangue after the screening, and strengthening rib 8 further stabilizes support 7, promotes job stabilization nature.

The working principle of the coal gangue crushing and screening machine provided by the utility model is as follows: the method comprises the steps of feeding the coal gangue to be processed into a crushing box 1 from a feeding hole, opening a motor I22 to drive a transmission shaft 23 to rotate, enabling a motor I support 21 to improve the working stability of the motor I22, then enabling a gear 24 at the outer end of the transmission shaft 23 to rotate, further engaging the gear 24 to drive another gear 24 to rotate, enabling the two transmission shafts 23 to simultaneously drive two crushing tooth columns 25 to rotate, crushing the coal gangue, reducing massive coal gangue in the crushing box 1 by the aid of a square strip 26, improving the overall crushing effect, improving the crushing efficiency, improving the stability of the crushing box 1 during lifting operation of a support 7, conveying the coal gangue by a conveyor belt 4 in order to prevent stone splashing possibly occurring during operation, improving safety, improving the stability during conveying by a conveyor belt support 5, ensuring the safety of operators, processing the coal gangue once, the coal gangue is conveyed to the screening leakage plate 310 through the discharge port, when screening is carried out, the motor II 32 is connected with the finished product conveying plate 34 through the supporting strip 33 at the top end, the finished product conveying plate 34 can be movably discharged, the motor II 32 is opened to drive the connecting rod II 38 to rotate, the connecting rod II 38 drives the connecting rod I37 to move and further drive the square slider 36 to move left and right, the square slider 36 drives the screening leakage plate 310 to move through the L-shaped supporting frame 39 at the top, when in operation, the spring 311 enables the motor II 32 and the square slider 36 to move relatively, the finished product conveying plate 34 and the screening leakage plate 310 are obliquely arranged towards the direction of the storage box 6, the screening efficiency is improved, the fixing bolt 312 improves the stability when the screening leakage plate 310 operates, unqualified coal gangue can be collected again for secondary processing when being placed in the screening leakage plate 310, and qualified coal gangue is conveyed to the storage box 6 to be collected through the movement of the finished product conveying plate 34, and finishing crushing the whole coal gangue.

It should be noted that the core chip of the control switch set disclosed in the above embodiments is a PLC single chip, the specific model is mitsubishi FX-2N 3U, the first motor 22 and the second motor 32 can be freely configured according to the actual application scenario, and the second motor 32 can be a servo motor. The control switch sets control the operation of the first motor 22 and the second motor 32 by methods commonly used in the art.

The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims

1. The utility model provides a coal gangue crushing and screening machine which characterized in that: comprises a crushing box (1), a crushing unit (2), a screening unit (3) and a bracket (7);

crushing box (1): the lower end of the sieve is provided with a discharge hole, and a screening unit (3) is arranged right below the discharge hole;

a crushing unit (2): comprises a first motor bracket (21), a first motor (22), a transmission shaft (23), a gear (24) and a crushing tooth column (25), the front end surface of the crushing box (1) is provided with a U-shaped motor support (21), the first motor bracket (21) is fixedly connected with a first motor (22), two transmission shafts (23) are rotatably connected inside the crushing box (1), one ends of the two transmission shafts (23) extend to the outer side of the crushing box (1) and are respectively and fixedly connected with gears (24), the two gears (24) are mutually meshed, and the end part of one transmission shaft (23) is fixedly connected with the output shaft of the first motor (22), the part of the transmission shafts (23) which are positioned in the crushing box (1) is axially and fixedly connected with crushing tooth columns (25), the crushing tooth columns (25) on the two transmission shafts (23) are arranged in a staggered way, the input end of the first motor (22) is electrically connected with the output end of an external power supply through an external control switch group;

support (7): are arranged at the lower sides of the front and the rear end surfaces of the crushing box (1).

2. The coal gangue crushing and screening machine as claimed in claim 1, wherein: crushing unit (2) still include square rectangular (26), there are square rectangular (26) in the inside left and right sides vertical array respectively of broken case (1).

3. The coal gangue crushing and screening machine as claimed in claim 1, wherein: screening unit (3) include T type support (31), finished product transport plate (34), T type slider (35), screening bushing plate (310) and screening power unit, the discharge gate downside of broken case (1) is equipped with T type support (31), two T type grooves have been seted up to the upper end of T type support (31), the upper end of T type support (31) is equipped with screening power unit, the bottom surface one end of finished product transport plate (34) is connected to screening power unit's upside one end, the other end bottom surface of finished product transport plate (34) is equipped with T type slider (35), the right-hand member in T type groove of T type slider (35) sliding connection right-hand member.

4. The coal gangue crushing and screening machine as claimed in claim 3, wherein: screening power unit includes motor two (32), support bar (33), square slider (36), connecting rod one (37), connecting rod two (38), L type support frame (39) and fixing bolt (312), the T type groove sliding connection motor two (32) of T type support (31) left end, the left end sliding connection square slider (36) in right-hand member T type groove, the lower extreme of the upper end fixed connection support bar (33) of motor two (32), the one end of the output shaft fixed connection connecting rod two (38) of motor two (32), the other end swing joint connecting rod one (37) of connecting rod two (38), the other end of connecting rod one (37) passes through the preceding terminal surface of axis of rotation swing joint square slider (36), the upper end of square slider (36) is equipped with L type support frame (39), the top of L type support frame (39) is passed through fixing bolt (312) and is connected the front end of screening deep bid (310), and the screening bushing plate (310) is connected with the upper end surface of the material conveying plate (34) in a sliding manner, and the input end of the second motor (32) is electrically connected with the output end of an external power supply through an external control switch group.

5. The coal gangue crushing and screening machine as claimed in claim 4, wherein: screening unit (3) still include spring (311), both ends are equipped with two spring (311) respectively about motor two (32) and square slider (36), and the inside terminal surface in motor two (32) one end difference fixed connection T type groove is kept away from in two spring (311).

6. The coal gangue crushing and screening machine as claimed in claim 1, wherein: still include conveyer belt (4) and conveyer belt support (5), the left end upper side of broken case (1) is opened and is equipped with the feed port, and both ends are equipped with conveyer belt support (5) of two U types respectively around the feed inlet downside, the top of conveyer belt support (5) is equipped with conveyer belt (4).

7. The coal gangue crushing and screening machine as claimed in claim 3, wherein: the material storage device is characterized by further comprising a material storage box (6) and reinforcing ribs (8), wherein the material storage box (6) is arranged right below an opening at one end of the finished material conveying plate (34), and the reinforcing ribs (8) are arranged in the middle of the supports (7) at the front end and the rear end respectively.