CN205948950U - Single driving high pressure grinding roller - Google Patents

Abstract

The utility model discloses a single driving high pressure grinding roller, include the drive roll of being connected with driving power, the drive roll still is equipped with movable rack through rotatable the establishing in fixed frame of the both sides wallboard that constitutes fixed frame in the fixed frame, and movable rack forms through the L shape wallboard of two parallels, and the movable rack middle part is in through the rotatable connection of back shaft in the fixed frame, movable rack's one end is equipped with rotatablely through two L shape wallboard, and the driven voller of unpowered input, and the driven roller shaft line is parallel with the drive roll axis, and the driven voller lies in the oblique top of drive roll, is equipped with the pneumatic cylinder between movable rack's the other end and the bottom plate of fixed frame, just at roller mill during operation, and the inclination of personally submitting 50~70 degrees through the plane and the level of drive roll axis and driven roller shaft line. The beneficial effects of the utility model are that, simple structure, compactness, the power transmission route is short, and mechanical efficiency is high, and the feed entrance point is low, and equipment stability is good, and the roller grinds effectually.

Description

Single drive high pressure roller mill

technical field

The utility model relates to a high-pressure roller mill, in particular to a single-drive high-pressure roller mill.

Background technique

High pressure roller mill is designed according to the principle of material bed grinding, mainly used for material crushing, sand making powder, because of its energy saving and high efficiency, it is widely used in cement raw materials, clinker, steel slag, slag, pebbles and non-ferrous metal mines and other fields. At present, most roller mills are double-drive roller mills, which require two motors and two reducers, which are characterized by high cost, high energy consumption, high maintenance cost and short service life. In traditional single-drive roller mills, the pressurization method is a spring structure. This method cannot accurately control the system pressure, and the pressure adjustment is inaccurate. In addition, due to the large impact force, the screw rod for adjusting the spring pressure is easy to wear and difficult to disassemble. At the same time, the existing single transmission has a long power transmission path, low mechanical efficiency and high energy consumption. For this reason, further improvement is needed.

Contents of the invention

The purpose of this utility model is to provide a high-pressure roller mill for the deficiencies of the prior art. The high-pressure roller mill has a simple and compact structure, a short power transmission path, high mechanical efficiency, a low feeding position, and good equipment stability. , Roller milling effect is good.

In order to achieve the above object, the utility model adopts the following technical solutions.

A single-drive high-pressure roller mill, including a driving roller connected to the driving power, the driving roller is rotatably arranged on the fixed frame through the two side wall panels constituting the fixed frame, and the fixed frame is also equipped with a movable frame , the movable frame is formed by two parallel L-shaped wall panels, the middle part of the movable frame is rotatably connected to the fixed frame through a support shaft, and one end of the movable frame is provided with a rotatable structure through two L-shaped wall panels, And there is no driven roller with power input, the axis of the driven roller is parallel to the axis of the driving roller, and the driven roller is located obliquely above the driving roller, and the other end of the movable frame and the bottom plate of the fixed frame are provided with hydraulic cylinder.

The utility model adopts the above-mentioned technical scheme, drives the driving roller to rotate through the driving power, and the driven roller has no power input, and exerts the pressing force through the movable frame of the lever structure and the hydraulic cylinder, which mainly plays the role of pressing. When working, the driving roller drives the abrasive material of the roller to move, and the abrasive material of the moving roller drives the driven roller to rotate. There is no need to set the power input transmission component of the driven roller, which effectively shortens the power transmission path, simplifies the structure, reduces manufacturing costs, reduces failure points, and reduces The probability of equipment failure downtime is improved, and the utilization rate of equipment is improved. At the same time, the power transmission path is short, the energy loss is small, the mechanical efficiency is high, and the energy consumption is low. The driven roller is located obliquely above the driving roller, which is beneficial to reduce the height of the feeding device, reduce the height of the equipment, improve the stability of the equipment and the convenience of feeding operation; in addition, the hydraulic power is used to apply the pressing force, and its force is controllable High, easy to form a constant pressure roller mill.

Preferably, when the roller mill is working, the plane passing through the axis of the driving roller and the axis of the driven roller forms an inclination angle of 50-70 degrees with respect to the horizontal plane. Further ensure that the feeding device is highly reasonable, with good operability and stability.

Further preferably, the other end of the movable frame is provided with two hydraulic cylinders, the two hydraulic cylinders are respectively connected to the two L-shaped wall panels through piston rods, and the two hydraulic cylinders are synchronized through the hydraulic control system. The application of hydraulic pressing force is achieved by using a hydraulic cylinder of a smaller size, which makes full use of the equipment space and has a compact structure.

Preferably, the hydraulic cylinder is connected to the hydraulic station through an accumulator. To reduce or eliminate pressure fluctuations, ensure the consistency of material particle size after roller grinding, and improve the effect of roller grinding.

The beneficial effects of the utility model are that the structure is simple and compact, the power transmission path is short, the mechanical efficiency is high, the feeding position is low, the equipment is stable, and the roller grinding effect is good.

Description of drawings

Fig. 1 is a structural schematic front view of the present utility model.

Fig. 2 is a schematic top view of the structure of the utility model.

detailed description

The utility model will be further described below in conjunction with the accompanying drawings, but the utility model is not limited to the scope of the described embodiments.

Referring to Fig. 1 and Fig. 2, a single-drive high-pressure roller mill includes a driving roller 1 connected to the driving power, and the driving roller 1 is rotatably arranged on the fixed frame 2 through the wall panels on both sides constituting the fixed frame 2 , the fixed frame 2 is also provided with a movable frame 3, the movable frame 3 is formed by two parallel L-shaped wall panels, and the middle part of the movable frame 3 is rotatably connected to the fixed frame 2 by a support shaft 4 One end of the movable frame 3 is provided with a rotatable driven roller 5 through two L-shaped wall panels without power input, the axis of the driven roller 5 is parallel to the axis of the driving roller 1, and the driven roller 5 is positioned at the 1, two hydraulic cylinders 6 are arranged in parallel between the other end of the movable frame 3 and the bottom plate of the fixed frame 2, and the two hydraulic cylinders 6 are respectively connected with two L-shaped wall panels through piston rods, and the hydraulic pressure The cylinder 6 is connected with the hydraulic station 8 through the accumulator 7, and the two hydraulic cylinders 6 are synchronized through the hydraulic control system, and the control valves of the hydraulic control system are set on the hydraulic station 8; The plane of the axis of the roller 1 and the axis of the driven roller 5 is at an inclination angle of 50-70 degrees to the horizontal plane.

Wherein, the driving power includes a speed reducer 10 connected with the main motor 9, the speed reducer 10 is connected with a torque support device 11 that bears the counter torque, the output end of the speed reducer 10 is coaxially fixedly connected with the drive roller 1 through the locking disc 12, and the speed reduction is reduced. The machine 10 is lubricated by the lubricating system 13 of the reducer; the upper side of the driving roller 1 is provided with a feeding device 14, and the feeding device 14 and the driven roller 5 are respectively located on both sides above the driving roller 1. The main function of the accumulator 7 is to perform overload protection when the system pressure increases instantaneously and to provide pressure supplement in time when the pressure decreases.

In this embodiment, the roller surfaces of the driving roller 1 and the driven roller 5 are replaceable sleeved carbide stud roller surfaces or carbide stud roller surfaces, so as to be determined according to materials and customer requirements. The hydraulic system adopts the design concept of "constant pressure", and the accumulator 7 makes the hydraulic system more stable. The hydraulic system is automatically controlled and interlocked by the control system, and ensures that the two hydraulic cylinders 6 operate synchronously to improve its automation, reduce manual operations, reduce labor intensity, and ensure safe operation of the system.

The speed reducer 10 is a planetary speed reducer, which is characterized by heavy load, compact structure, small size, and adopts the lubrication method of forced lubrication to ensure the smooth operation of the high pressure roller mill.

For the convenience of workers, the product works in two modes: manual and automatic. Its start-up process is: start the reducer lubricating system 13 first, so as to fully lubricate the reducer 10; start the main motor 9 after 30s, let the driving roller 1 rotate; start the hydraulic system including the hydraulic station 8 and the hydraulic cylinder 6 after 10s, so that The limit device on the movable frame 3 is in contact with the fixed frame 2 to meet the requirements of the roll gap between the driving roll 1 and the driven roll 5; then the feeding device 14 is opened so that the material enters the roll gap smoothly and the material is fully ground .

Shutdown process is: first close feeding device 14, after the remaining material in feeding device 14 is completely crushed, then close main motor 9, after main motor 9 stops running, then close reduction gear lubricating system 13 and hydraulic system.

Special attention is that when the material is stuck between the roll gaps, the roll back function of the hydraulic system should be activated to expand the roll gap so that the material can come out of the roll gap. In addition, it is necessary to manually add glyceride to each bearing in the driving roller 1 and the driven roller 5 every day.

It has been verified by experiments that when a certain type of high-pressure roller mill of this scheme is used to crush materials, the yield of finished products is 20%-40% higher than that of traditional crushing equipment, and the unit energy consumption of high-pressure roller mills for crushing materials is about 0.8-2.2kWh/t , 20% to 50% lower energy consumption per unit than general crushing and grinding equipment.

Although the above has described the embodiment of the utility model in conjunction with the accompanying drawings, those of ordinary skill in the art can also realize that various changes or modifications are made within the scope of the appended claims, and these modifications and changes should be understood as being within the scope of the appended claims. within the scope and intent of this utility model.

Claims (4)

1. a kind of single-drive high-pressure roller mill is it is characterised in that include and the drive roll (1) driving power connector, drive roll (1) Rotatably it is located on fixed frame (2) by constituting the both sides wallboard of fixed frame (2), fixed frame is additionally provided with work on (2) Motivation frame (3), movable machine frame (3) is formed by two parallel L-shaped wallboards, can by support shaft (4) in the middle part of movable machine frame (3) Rotate is connected on described fixed frame (2), and one end of movable machine frame (3) is provided with rotatably by two L-shaped wallboards, and no dynamic The driven voller (5) of power input, driven voller (5) axis and described drive roll (1) diameter parallel, and driven voller (5) is located at drive roll (1) oblique upper, is provided with hydraulic cylinder (6) between the base plate of the other end of movable machine frame (3) and described fixed frame (2).

2. single-drive high-pressure roller mill according to claim 1 is it is characterised in that when described roller mill works, pass through The plane of drive roll (1) axis and driven voller (5) axis is horizontal by 50～70 degree of inclination angle.

3. single-drive high-pressure roller mill according to claim 1 is it is characterised in that the other end of described movable machine frame (3) It is provided with two described hydraulic cylinders (6), two hydraulic cylinders (6) are connected with two L-shaped wallboards respectively by piston rod, two hydraulic cylinders (6) Synchronization is formed by hydraulic control system.

4. the single-drive high-pressure roller mill according to claims 1 to 3 any one is it is characterised in that described hydraulic cylinder (6) It is connected with Hydraulic Station (8) by accumulator (7).