CN111686857A

CN111686857A - Vertical double-roller crusher

Info

Publication number: CN111686857A
Application number: CN202010377720.5A
Authority: CN
Inventors: 蔡聪敏; 梁金坤; 曾英和; 谢礼相; 蔡毓斌
Original assignee: Fujian Minjie Machinery Co ltd
Current assignee: Fujian Minjie Machinery Co ltd
Priority date: 2020-05-07
Filing date: 2020-05-07
Publication date: 2020-09-22

Abstract

The invention relates to the technical field of crushing equipment, in particular to a vertical double-roll crusher, which comprises a first roller and a second roller arranged on a swing frame, wherein one side of the swing frame is hinged with a rack, the other side of the swing frame is connected with a support with variable height arranged on the rack, an air spring assembly is arranged between the swing frame and the rack, a main shaft of the first roller is connected with a driving mechanism, the driving mechanism comprises a main speed reducer, an auxiliary speed reducer, a main motor and an auxiliary motor, the main speed reducer comprises a main output shaft, a main input shaft and a transmission shaft, the main output shaft is connected with the main shaft of the first roller, one end of the main input shaft is in transmission connection with the main motor, the other end of the main input shaft is movably connected with the output end of the auxiliary speed reducer, the input end of the auxiliary speed reducer is connected with the auxiliary. The invention can adjust the gap between the rollers according to the requirements of yield and quality, prevent excessive abrasion between the rollers, and ensure stable operation of equipment and convenient maintenance of the roller surface.

Description

Vertical double-roller crusher

Technical Field

The invention relates to the technical field of crushing equipment, in particular to a vertical double-roller crusher.

Background

A double-roller crusher for crushing materials by two rollers rotating in opposite directions is mainly used for crushing ores. The device consists of a motor, a bracket, a fixed roller, a movable roller, a safety spring and the like. The roller surface is mostly smooth, the bearing of the movable roller can move along the frame and is supported by a strong safety spring, and when an especially hard object falls, the bearing can be moved away to spit the object. Among the existing equipment, the roll roller during operation is the interaxial distance fixed, when great stone gets into between the roller, the recoil effort of stone makes the support bearing at roller both ends warp or broken easily to influence the life of roller pivoted flexibility and equipment, and after the roll crusher operation for a long time, the wearing and tearing of roll surface are great, can arouse that the product granularity is too thin, will dismantle the roller and restore at this moment, because the crusher roller is heavier, it is very difficult to change, the maintenance cost is high and time spent.

Patent CN104998714B is a double-roller type crushing sand making machine, comprising an active roller and a passive roller; the driving roller is rotatably installed on a rotary arm arranged on the rack, a pressing air bag capable of flushing and discharging air is arranged between the rotary arm and the top of the rack, the pressure of the driving roller on the driven roller is increased through the pressing air bag capable of charging and discharging air when crushing, the crushing effect is improved, the original fixed structure with unchanged roller distance of the pair of rollers is changed, however, the structure lacks a necessary protection device, the driven roller is infinitely pressed, excessive abrasion and impact between machinery and materials are easily caused, and the service life of the equipment is influenced.

Patent CN201420292699.9 discloses a four roller crusher roller turning device, including power unit, turning mechanism and drive mechanism, power unit is connected with drive mechanism, drive mechanism is connected with turning mechanism, and power unit includes gear motor, the gear motor A who is connected the turning mechanism that is connected with the roller through the band pulley, controls the rotational speed of roller through gear motor. The double-roll crusher is a mining machine, the motor power is high, the double-roll crusher is connected by belt transmission depending on friction force, slipping easily occurs in the working operation, and the stable transmission ratio cannot be maintained. And it directly realizes the different rotational speeds of broken operation of roller and turning restoration through gear motor, needs the inverter motor that the frequency range is big, has increaseed equipment cost undoubtedly and has invested and maintain the degree of difficulty.

Disclosure of Invention

The invention aims to overcome the defects and provide a vertical double-roller crusher.

In order to achieve the purpose, the technical solution of the invention is as follows:

a vertical double-roll crusher comprises a rack, wherein a first roller is arranged at the lower part of the rack, a swing frame is arranged above the first roller, a second roller which is parallel to and adjacent to the first roller is arranged on the swing frame, one side of the swing frame is hinged with the rack, the other side of the swing frame is connected with a bracket with a variable height arranged on the rack, an air spring assembly is arranged between the upper part of the swing frame and the upper part of the rack, a main shaft of the first roller is connected with a driving mechanism, the driving mechanism comprises a main speed reducer, an auxiliary speed reducer, a main motor and an auxiliary motor, the main speed reducer comprises a main output shaft, a main input shaft and a transmission shaft, the main output shaft is sleeved with a first cylindrical gear, the main input shaft is provided with a first gear mechanism, the transmission shaft is provided with a second gear mechanism and sleeved with a second cylindrical gear, the first cylindrical gear is meshed with the second gear mechanism, one end of the main input shaft is in transmission connection with a main motor through a belt pulley mechanism, the other end of the main input shaft is in movable connection with the output end of an auxiliary speed reducer through a sleeve type clutch, the input end of the auxiliary speed reducer is connected with an auxiliary motor, and a first turning mechanism used for cutting the surface of the first roller is arranged on the rack close to the first roller.

Preferably, the swing frame is provided with a second cutting mechanism for cutting a surface of a second roll.

Preferably, the first turning mechanism comprises a linear track frame parallel to the first roller spindle, and a base arranged on the linear track frame, a screw rod mechanism for controlling the base to move is arranged below the linear track frame, a tool rest and a feeding mechanism connected with the tool rest are arranged on the base, and the feeding direction of the feeding mechanism is perpendicular to the first roller spindle.

Preferably, the bracket is composed of a plurality of backing plates which are overlapped up and down.

Preferably, the included angle between the circle center connecting line of the same section of the first roller and the second roller and the horizontal direction is 60-75 degrees.

Preferably, the frame includes an upper frame and a lower frame.

Preferably, the lower portion of the rack and the swing frame are both provided with side plates, the side plates are provided with a net-shaped framework, and each unit grid of the net-shaped framework is paved with an independent plate.

Preferably, the swing frame comprises a front plate, a bottom plate, a left side plate and a right side plate, a first extending portion and a second extending portion are respectively arranged at two ends of one side of the left side plate, which is far away from the bottom plate, and the right side plate and the left side plate are in structural symmetry.

Preferably, the first extension part is hinged with the frame through a bronze rolling bearing.

Preferably, the sleeve type clutch comprises an outer sleeve arranged on the main input shaft, a sliding sleeve arranged on the output end of the auxiliary speed reducer, and a lever device connected with the sliding sleeve, wherein the lever device is used for pushing the sliding sleeve to be in butt joint with and separated from the outer sleeve.

By adopting the technical scheme, the invention has the beneficial effects that:

1. the first roller and the second roller form a paired roller structure, the second roller can adjust the clearance of the paired rollers under the driving of the swing frame according to the requirements of yield and quality, and the proper discharging clearance is set by adjusting the overlapping height of one side of the swing frame and the bracket, so that the excessive abrasion between the rollers is prevented, the equipment is stable in operation, efficient and energy-saving, high in crushing efficiency and adjustable in granularity.

2. The roller repair time is saved, the roller is directly repaired through the turning mechanism of the equipment, the disassembly, maintenance and processing are not needed, the maintenance time is shortened, and the maintenance cost is greatly reduced.

3. The multi-stage transmission speed reducing mechanism and the two independent motor modules are used for respectively providing power for roller crushing operation and turning repair operation, and under the switching of the shaft sleeve type clutch, the operation is more stable, the maintenance is more convenient, and the service life is longer. Meanwhile, the characteristic of low-speed and large torque of the auxiliary motor can be used for providing larger torque for the roller or enabling the roller to rotate reversely by using the clutch switching motor when the device is jammed, so that the discharge of the jammed materials is realized.

4. The included angle between the circle center connecting line of the same section of the first roller and the second roller and the horizontal direction is 60-75 degrees, the problem that machines and ores are in rigid collision caused by feeding is solved by the unique working angle of the rollers, impact and damage to equipment bearings during ore feeding are avoided, the smoothness of physical feeding is greatly improved, the structural design has higher bearing strength, the structure is simple, the layout is reasonable, the durability is high, and the roller can well adapt to various severe working environments.

Drawings

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

FIG. 2 is a schematic view of the driving mechanism of the present invention;

FIG. 3 is a schematic view of a first turning mechanism according to the present invention;

FIG. 4 is a partial schematic view of the swing frame and frame hinge of the present invention;

FIG. 5 is a schematic structural diagram of an upper frame according to the present invention;

FIG. 6 is a schematic view of the swing frame structure of the present invention;

fig. 7 is a schematic view of the lower frame structure of the present invention.

Description of the main reference numerals: (1 upper frame, 2 lower frame, 3 first roller, 4 swing frame, 5 first extension, 6 second extension, 7 second roller, 8 support, 9 air spring component, 10 main reducer, 11 auxiliary reducer, 12 main motor, 13 auxiliary motor, 14 shell, 15 main output shaft, 16 main input shaft, 17 transmission shaft, 18 conical roller bearing, 19 first cylindrical gear, 20 first gear mechanism, 21 second cylindrical gear, 22 second gear mechanism, 23 coupler, 24 belt pulley mechanism, 25 clutch, 26 outer sleeve, 27 sliding sleeve, 28 lever device, 29 first turning mechanism, 30 linear track frame, 31 base, 32 knife rest, 33 feeding mechanism, 34 screw rod mechanism, 35 second turning mechanism, 36 bronze rolling bearing).

Detailed Description

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

As shown in fig. 1 to 7, the vertical double-roll crusher of the present invention comprises a frame, wherein the frame comprises an upper frame and a lower frame 2, and the upper frame and the lower frame 2 are locked by bolts. The lower part of the frame, namely the lower frame 2, is provided with a side plate which is provided with a net-shaped framework, each unit grid of the net-shaped framework is paved with an independent plate, and the local replacement of the sputtering loss part of stones on the side plate can be conveniently realized by a sectional structure.

The frame lower part is that lower frame 2 is equipped with

first roller

3, and 3 tops of first roller are equipped with swing span 4, and swing span 4 comprises front bezel, bottom plate, left side board and right side board, and the both ends of one side that the bottom plate was kept away from to the left side board are equipped with first extension 5 and second extension 6 respectively, and right side board and left side board structural symmetry, right side board and left side board are equipped with netted skeleton, have all laid independent board on every unit net of netted skeleton. A second roller 7 parallel to and adjacent to the first roller 3 is erected between the left side plate and the right side plate of the swing frame 4, and the included angle between the circle center connecting line of the same section of the first roller 3 and the second roller 7 and the horizontal direction is 60-75 degrees. The first extension 5 of the swing frame 4 is hinged with the lower frame 2 through a bronze-rolled bearing 36. The other side of the swing frame 4 is connected with a support 8 with variable height arranged on the machine frame, the support 8 consists of a plurality of cushion plates which are overlapped up and down, an air spring assembly 9 is arranged between the upper part of the swing frame 4 and the upper part of the machine frame, and the air spring assembly 9 is arranged on one side close to the support 8.

The main shaft of the first roller 3 is connected with a driving mechanism, the driving mechanism comprises a main speed reducer 10, an auxiliary speed reducer 11, a main motor 12 and an auxiliary motor 13, the main speed reducer 10 comprises a shell 14, a main output shaft 15, a main input shaft 16 and a transmission shaft 17, and the main output shaft 15, the main input shaft 16 and the transmission shaft 17 are all installed on the shell 14 through conical roller bearings 18. The main output shaft 15 is sleeved with a first cylindrical gear 19, the main input shaft 16 is provided with a first gear mechanism 20, the transmission shaft 17 is provided with a second gear mechanism 22 and is sleeved with a second cylindrical gear 21, the first cylindrical gear 19 is meshed with the second gear mechanism 22, the second cylindrical gear 21 is meshed with the first gear mechanism 20, one end of the main output shaft 15 is connected with the main shaft of the first roller 3 through a coupling 23, one end of the main input shaft 16 is in transmission connection with the main motor 12 through a belt pulley mechanism 24, the other end of the main input shaft 16 is movably connected with the output end of the auxiliary speed reducer 11 through a sleeve type clutch 25, the sleeve type clutch 25 comprises an outer sleeve 26 arranged on the main input shaft 16, a sliding sleeve 27 arranged at the output end of the auxiliary speed reducer 11 and a lever device 28 connected with the sliding sleeve 27, and the lever device 28 is used for pushing.

The input end of the auxiliary speed reducer 11 is connected with an auxiliary motor 13, a first cutting mechanism 29 for cutting the surface of the first roller 3 is arranged on the machine frame close to the first roller 3, and a second cutting mechanism 35 for cutting the surface of the second roller 7 is arranged on the swing frame 4. The first turning mechanism 29 comprises a linear track frame 30 parallel to the main shaft of the first roller 3, and a base 31 arranged on the linear track frame 30, the outer side wall of the lower frame 2 is provided with a mounting seat for mounting the linear track frame 30, a screw rod mechanism 34 for controlling the movement of the base 31 is arranged below the linear track frame 30, a tool rest 32 arranged on the base 31 and a feeding mechanism 33 connected with the tool rest 32, the feeding direction of the feeding mechanism 33 is vertical to the main shaft of the first roller 3, and the second turning mechanism 35 is similar to the first turning mechanism 29 in structure.

The working principle is as follows: when the equipment is normally crushed, the main motor 12 is electrified to operate, the main motor 12 drives the first roller 3 to rotate at a higher speed through the main speed reducer 10, the auxiliary motor 13 is not electrified, and the clutch 25 is disconnected; when the first turning mechanism 29 repairs the roll surface of the first roll 3, the main motor 12 is not energized, the auxiliary motor 13 is energized, the clutch 25 is engaged, and the auxiliary motor 13 drives the first roll 3 to rotate at a slower speed through the secondary speed reduction of the auxiliary speed reducer 11 and the main speed reducer 10. Similarly, the main shaft of the second roller 7 is connected with a driving device similar to the first roller 3 for working and repairing rotation.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims

1. The utility model provides a vertical double-roll crusher, includes the frame, and the frame lower part is equipped with first roller (3), its characterized in that: a swing frame (4) is arranged above the first roller (3), a second roller (7) which is parallel to and adjacent to the first roller (3) is arranged on the swing frame (4), one side of the swing frame (4) is hinged with the rack, the other side of the swing frame (4) is connected with a bracket (8) with variable height which is arranged on the rack, an air spring assembly (9) is arranged between the upper part of the swing frame (4) and the upper part of the rack, a main shaft of the first roller (3) is connected with a driving mechanism, the driving mechanism comprises a main speed reducer (10), an auxiliary speed reducer (11), a main motor (12) and an auxiliary motor (13), the main speed reducer (10) comprises a main output shaft (15), a main input shaft (16) and a transmission shaft (17), a first cylindrical gear (19) is sleeved on the main output shaft (15), a first gear mechanism (20) is arranged on the main input shaft (16), a second gear mechanism (22) is arranged on, the first cylindrical gear (19) is meshed with the second gear mechanism (22), the second cylindrical gear (21) is meshed with the first gear mechanism (20), one end of a main output shaft (15) is connected with a main shaft of the first roller (3) through a coupler (23), one end of a main input shaft (16) is in transmission connection with a main motor (12) through a belt pulley mechanism (24), the other end of the main input shaft (16) is movably connected with the output end of an auxiliary speed reducer (11) through a sleeve type clutch (25), the input end of the auxiliary speed reducer (11) is connected with an auxiliary motor (13), and a first turning mechanism (29) used for cutting the surface of the first roller (3) is arranged on a rack close to the first roller (3).

2. The vertical roll crusher according to claim 1, wherein: the swing frame (4) is provided with a second cutting mechanism (35) for cutting the surface of the second roller (7).

3. The vertical roll crusher according to claim 1, wherein: the first turning mechanism (29) comprises a linear track frame (30) parallel to the main shaft of the first roller (3) and a base (31) arranged on the linear track frame (30), a screw rod mechanism (34) for controlling the base (31) to move is arranged below the linear track frame (30), a tool rest (32) and a feeding mechanism (33) connected with the tool rest (32) are arranged on the base (31), and the feeding direction of the feeding mechanism (33) is perpendicular to the main shaft of the first roller (3).

4. The vertical roll crusher according to claim 1, wherein: the support (8) is composed of a plurality of backing plates which are overlapped up and down.

5. The vertical roll crusher according to claim 1, wherein: the included angle between the circle center connecting line of the same section of the first roller (3) and the second roller (7) and the horizontal direction is 60-75 degrees.

6. The vertical roll crusher according to claim 1, wherein: the frame comprises an upper frame (1) and a lower frame (2).

7. The vertical roll crusher according to claim 1, wherein: the lower part of the rack and the swing frame (4) are both provided with side plates, the side plates are provided with a net-shaped framework, and each unit grid of the net-shaped framework is paved with an independent plate.

8. The vertical roll crusher according to claim 1, wherein: the swing frame (4) comprises a front plate, a bottom plate, a left side plate and a right side plate, wherein a first extending part (5) and a second extending part (6) are respectively arranged at two ends of one side of the left side plate, which is far away from the bottom plate, and the right side plate and the left side plate are in structural symmetry.

9. A roller ring gap adjustment device according to claim 8, characterized in that: the first extension part (5) is hinged with the frame through a bronze rolling bearing (36).

10. The vertical roll crusher according to claim 1, wherein: the shaft sleeve type clutch (25) comprises an outer sleeve (26) arranged on a main input shaft (16), a sliding sleeve (27) arranged on an output end of the auxiliary speed reducer (11), and a lever device (28) connected with the sliding sleeve (27), wherein the lever device (28) is used for pushing the sliding sleeve (27) to be in butt joint with and separated from the outer sleeve (26).