CN220696867U - Feeding device of roller press - Google Patents

Abstract

The utility model relates to the technical field of cement grinding, and discloses a roller press feeding device which comprises a shell, wherein two grinding rollers which are parallel to each other are rotatably arranged in the shell, and a gap is formed between the two grinding rollers and is used for extruding materials; the baffle is fixedly arranged at the upper end of the shell; the flexible wear-resistant piece is arranged on the baffle plate and is positioned at one side close to the grinding roller; the mantles are fixedly arranged at the upper ends of the baffles so as to concentrate materials between the grinding rollers. The problem of the roll squeezer because of the plate body that long-time operation takes place not hard up for the plate body produces friction and produces abnormal sound with the roll squeezer is solved.

Description

Feeding device of roller press

Technical Field

The utility model relates to the technical field of cement grinding, in particular to a feeding device of a roller press.

Background

The cement making process includes three steps of material making, clinker producing and cement grinding, and the cement grinding has important steps to affect the quality of the final cement product directly, and during cement grinding, the material needs to be ground and crushed with roller press comprising feeding unit, grinding roller, main frame, hydraulic system, etc. during cement grinding, the roller press applies pure pressure to the material with two grinding rollers to produce powerful extrusion force inside the material grains, so that the crushed material is crushed to form material cakes, and the material cakes flow down from the roller gap to the belt for further conveying to the next technological site.

For improving production efficiency, the feed arrangement of general roll squeezer all can set up the curb plate, the curb plate can guide the material that feeds from the pan feeding mouth gathers in the centre, avoid the material to flow to the outside of grinding roller, ensure the abundant contact between grinding roller and the material, improve grinding efficiency, however in actual production process, because roll squeezer 24 hours incessantly the phenomenon ubiquitous of operation in the workshop, can appear because of the vibration of roll squeezer itself or the inhomogeneous condition of material input from the feed inlet, use for a long time, feed arrangement's curb plate can take place not hard up, consequently the curb plate can take place the contact with the end of grinding roller, and then rub with the grinding roller and cause irreversible damage, but also can produce abnormal sound, the feel of use is relatively poor.

Accordingly, the inventor has proposed a roll squeezer feeding device in order to solve the above-mentioned problems.

Disclosure of Invention

The utility model aims to provide a feeding device of a roller press, which solves the problem that the plate body of the roller press is loosened due to long-time operation, so that the plate body and the roller press generate friction to generate abnormal sound.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the feeding device of the roller press comprises a shell, wherein two grinding rollers which are parallel to each other are rotatably arranged in the shell, and a gap is formed between the two grinding rollers and is used for extruding materials; the baffle is fixedly arranged at the upper end of the shell; the flexible wear-resistant piece is arranged on the baffle plate and is positioned at one side close to the grinding roller; the mantles are fixedly arranged at the upper ends of the baffles so as to concentrate materials between the grinding rollers.

The principle and the advantages of the scheme are as follows: the utility model provides a feeding device of a roller press, which is practically applied, and a flexible wear-resistant part is arranged on a baffle plate, so that the surface of the traditional alloy baffle plate is covered with a wear-resistant layer, therefore, under the condition of long-time running of roller press equipment, if the baffle plate shakes and loosens and the like, the tail end of a rotating grinding roller can be contacted with the flexible wear-resistant part on the baffle plate for the first time, the flexible wear-resistant part can effectively protect the grinding roller, the grinding roller is prevented from continuously rubbing with the alloy baffle plate when rotating, the damage to the grinding roller can be reduced to the minimum, and meanwhile, the tail end of the grinding roller can not generate harassment abnormal sound when the grinding roller and the flexible wear-resistant part rub, so that the problem that the plate body and the roller press generate friction to generate abnormal sound due to long-time running is solved.

Preferably, as a modification, the baffles are parallel in the first direction, the flexible wear member completely covers a face of the baffles adjacent the grinding roller, and the flexible wear member simultaneously covers a surface of the mantles.

The beneficial effects are that: the flexible wear-resisting part covers the baffle plate on one surface close to the grinding roller completely, so that the grinding roller can be contacted with the flexible wear-resisting part when the flexible wear-resisting part is contacted with the grinding roller, compared with the part of the flexible wear-resisting part which covers the baffle plate, the safety is higher, in addition, the flexible wear-resisting part covers the manteau part simultaneously, and when materials fall onto the manteau part from the upper part, the flexible wear-resisting part can also produce a buffering effect, so that the manteau part is protected.

Preferably, as a modification, the mantles are a±0.1cm minimum distance from the grinding roll in the first direction.

The beneficial effects are that: in actual production, the distance between the mantles and the grinding roller is controlled to be acm, so that the mantles can be prevented from directly contacting the grinding roller, and the mantles can ensure that materials can be gathered, and meanwhile, the normal working action of the grinding roller is not interfered, so that the practicality is strong.

Preferably, as a modification, the flexible wear member is located a minimum distance of b±0.1cm from the grinding roll in the second direction.

The beneficial effects are that: the distance of bcm is set between the baffle and the grinding roller so as to ensure that the baffle cannot interfere the normal work of the grinding roller under the premise of playing a shielding role.

Preferably, as a modification, the baffle includes a first baffle and a second baffle, the first baffle being located on the front side of the grinding roller, and the second baffle being located on the rear side of the grinding roller.

The beneficial effects are that: the first baffle and the second baffle can shelter from the baffle at the front side and the rear side of the grinding roller, so that materials can be gathered in the roll gap in the front-rear direction, and the materials do not run to the edge, thereby improving the quality of discharging and the qualification rate of final cement finished products.

Preferably, as an improvement, the first baffle is in a rectangular structure, the second baffle is in a triangle-like structure, and the lower end of the second baffle is matched with the end face shape of the grinding roller.

The beneficial effects are that:

in the actual production operation process, the situation of material running on the front side of the grinding roller of the roller press occurs, so that the first baffle plate adopts a rectangular structure to enable the first baffle plate to lift the shielding range as much as possible, however, compared with the situation of material running on the rear side of the grinding roller of the roller press, the situation of material running on the rear side of the grinding roller of the roller press is less than the situation of material running on the front side of the grinding roller of the roller press, and the structure of the second baffle plate adopts a triangle-like structure, so that the material cost of the parts is saved on the premise of meeting the production work requirement.

Preferably, as an improvement, the grinding roller further comprises a side plate, wherein the side plate is mounted on the shell, the side plate comprises a first side plate and a second side plate, the first side plate is positioned on the left side of the upper end of the grinding roller, the second side plate is positioned on the right side of the upper end of the grinding roller, and the first side plate and the second side plate are configured to be capable of approaching or separating from each other.

The beneficial effects are that:

through setting up first curb plate and second curb plate in the top of grinding roller, can guide and gather the pan feeding direction of material in the upper end left side and the right side of grinding roller, first curb plate and second curb plate can cooperate each other in four directions about front and back with first baffle and second baffle to produce the omnidirectional gathering and guiding effect to the material.

Preferably, as an improvement, the telescopic device further comprises a first telescopic rod and a second telescopic rod, wherein the first telescopic rod is fixedly connected with the first side plate, and the second telescopic rod is fixedly connected with the second side plate.

The beneficial effects are that:

the telescopic rod structure is arranged, so that the first side plate and the second side plate have the function of adjusting the positions, and the feeding amount of the materials can be controlled by adjusting the positions of the first side plate and the second side plate, which are close to and far away from each other, due to the fact that the materials are different in type and quality, so that the process requirements of different material types are met.

Preferably, as an improvement, the device further comprises a feeding channel, wherein the feeding channel is arranged above the shell, the feeding channel is communicated with the shell, a first plugboard and a second plugboard are arranged in the feeding channel, and the first plugboard and the second plugboard are configured to be mutually abutted or far away.

The beneficial effects are that:

through setting up the two-way picture peg structure that first picture peg and second picture peg constitute for opening and closing of feed channel can be controlled, compare in traditional one-way picture peg, set up two-way picture peg and can effectively improve the pan feeding and block up the problem in the import easily, make the material that gets into through feed channel more smooth and easy, and then improve pan feeding efficiency.

Preferably, as an improvement, the device further comprises two air cylinders, wherein each air cylinder is fixedly connected with the first plugboard and the second plugboard respectively and used for driving the two plugboards to be mutually abutted or far away.

The beneficial effects are that:

compared with electric driving, the cylinder driving is reliable under extreme working conditions, the practical operation is simple, and the electric driving can be adopted according to practical situations.

Drawings

Fig. 1 is a side view of a grinding roller of a feeding device of a roller press according to an embodiment of the present utility model.

Fig. 2 is a top view of a feeding device of a roller press according to an embodiment of the present utility model.

Fig. 3 is a front perspective view of a roll squeezer feeding device according to the first and second embodiments of the utility model.

Fig. 4 is a rear perspective view of a roll squeezer feeding device according to the first and second embodiments of the utility model.

Detailed Description

The following is a further detailed description of the embodiments:

reference numerals in the drawings of the specification include: the grinding roller comprises a shell 1, a grinding roller 2, a gap 3, a baffle 4, a first baffle 41, a second baffle 42, a flexible wear-resistant piece 5, a manteau piece 6, a side plate 7, a first side plate 71, a second side plate 72, a first telescopic rod 81, a second telescopic rod 82, a feeding channel 9, a first plugboard 101, a second plugboard 102 and a cylinder 11.

Example 1

As shown in fig. 1 to 4, the present embodiment provides a feeding device of a roller press, including a housing 1, two grinding rollers 2 parallel to each other are rotatably installed in the housing 1, and a gap 3 is formed between the two grinding rollers 2 for extruding materials, wherein one grinding roller 2 is a fixed grinding roller, and the other grinding roller 2 is a movable grinding roller, when in use, materials fall into a roller gap between the two grinding rollers 2 from above, the two grinding rollers 2 rotate to extrude and crush the materials in the roller gap, and finally fall into the next process flow through the roller gap;

as shown in fig. 1, 2 and 3, the roller crusher comprises a baffle plate 4, the baffle plate 4 is fixedly arranged at the upper end of the shell 1, and in the embodiment, the baffle plate 4 is preferably fixedly arranged above a central axis, and as shown in fig. 3 and 4, the roller crusher can prevent the baffle plate 4 from interfering the movement of the grinding rollers 2, prevent materials from running out of a shielding area of the baffle plate 4, further collect the materials at a roll gap between the two grinding rollers 2 in the shielding direction of the baffle plate 4, and further improve the working efficiency of the roller crusher;

as shown in fig. 1, the embodiment preferably further includes a flexible wear-resistant member 5, the flexible wear-resistant member 5 is mounted on the baffle 4, and the flexible wear-resistant member 5 is located at a side close to the grinding roller 2, and the grinding roller 2 can be protected by providing the flexible wear-resistant member 5 on the baffle 4, specifically, after the roller press works for a long time, the baffle 4 may loose under the vibration of the roller press, and the baffle 4 may contact with the grinding roller 2 of the roller press to generate abnormal sound, and the baffle 4 may loose and contact with the end of the grinding roller 2 by providing the flexible wear-resistant member 5 on the baffle 4, so that the grinding roller 2 is not irreversibly damaged, thereby protecting the structure of the grinding roller 2 and simultaneously not generating abnormal sound with stinging;

as shown in fig. 1, the mantle piece 6 is fixedly installed at the upper end of the baffle 4 to concentrate the materials between the grinding rolls 2, and as a preferred scheme of this embodiment, the mantle piece 6 may be fixed on the baffle 4 by welding, or may be selected according to the actual production requirement by screwing with bolts or screws, etc., where, in use, the mantle piece 6 may further shade the materials on the basis of the baffle 4 and guide the materials into the roll gap of the grinding roll 2, and the shape of the mantle piece 6 may be a straight plate as shown in fig. 1, where the limitation is not made, and the mantle piece 6 may of course have other shapes such as a curved arc plate.

That is, in this embodiment, the flexible wear-resistant member 5 is disposed on the baffle 4, so that a layer of wear-resistant layer is covered on the surface of the traditional alloy baffle 4, as a preferred scheme of this embodiment, the flexible wear-resistant member 5 may be made of rubber (rubber is only used as an example and not limited by this, and materials such as polyurethane, polyethylene, polytetrafluoroethylene (PTFE) and the like may be used as rubber materials, so that in a long-time running condition of the roller press device, if the baffle 4 shakes and loosens, etc., the tail end of the rotating grinding roller 2 contacts with the flexible wear-resistant member 5 on the baffle 4 at the first time, the flexible wear-resistant member 5 can effectively protect the grinding roller 2, so as to avoid irreversible damage caused by friction with the alloy baffle 4 when the grinding roller 2 rotates, and thus damage to the grinding roller 2 can be minimized.

As shown in fig. 1, the baffle 4 is parallel along the first direction, the flexible wear-resisting part 5 completely covers one surface of the baffle 4 close to the grinding roller 2, and the flexible wear-resisting part 5 simultaneously covers the surface of the mantles 6, and by covering the flexible wear-resisting part 5 on the surface of the baffle 4, the surface of the baffle 4 close to the grinding roller 2 can be well protected, so that the surface of the baffle 4 close to the grinding roller 2 is completely covered by a material with wear resistance and elasticity, the baffle 4 can effectively resist the abrasion and friction of materials, the service life of equipment is prolonged, meanwhile, the friction and vibration between the grinding roller 2 and the baffle 4 are reduced, the noise and vibration are reduced, and the comfort of the working environment is improved.

As shown in fig. 1, the minimum distance between the mantle piece 6 and the grinding roller 2 in the first direction is a±0.1cm, in this embodiment, a is preferably 3cm, a can also take other values in 2-5cm, and by setting the distance at 3cm, the mantle piece 6 can be applied to various types of materials, including granular, powdery or fibrous materials, all of which can be guided by the mantle piece 6 to fall into the roller gap, and the applicability is strong.

As shown in fig. 1, the minimum distance between the flexible wear member 5 and the grinding roller 2 in the second direction is b±0.1cm, b is preferably 3cm in this embodiment, b can also take other values in 2-5cm, and by setting the distance to 3cm, a sufficient operation space can be provided, so that the daily maintenance of the equipment is more convenient.

As shown in fig. 3 and 4, in this embodiment, the baffle 4 preferably includes a first baffle 41 and a second baffle 42, the first baffle 41 is located at the front side of the grinding roller 2, the first baffle 41 is in a rectangular structure, the second baffle 42 is located at the rear side of the grinding roller 2, the second baffle 42 is in a triangle-like structure, and the lower end of the second baffle 42 is matched with the end face shape of the grinding roller 2, and the first baffle 41 and the second baffle 42 can shade and guide materials in the front and rear directions through being arranged at the front side and the rear side of the grinding roller 2, when in use, as shown in fig. 3, the materials are fed from the feed inlet, the materials located at the middle of the corresponding roll gap can directly fall into the roll gap through the feed channel, while the materials located at the two sides in the front and rear directions fall onto the manteau 6 of the front and rear baffles 4 and then are shaded by the manteau 6 and fall into the middle of the grinding roller 2, so that the first baffle 41 and the second baffle 42 can shade can be arranged to shade and guide the materials in the front and rear directions, and the production efficiency can be improved.

Example two

The embodiment provides a feeding device of a roller press, which is similar to the first embodiment, and the difference is that the feeding device can be further optimized based on the first embodiment, and the feeding device further comprises a side plate 7, wherein the side plate 7 is arranged on the shell 1, the side plate 7 comprises a first side plate 71 and a second side plate 72, the first side plate 71 is positioned on the left side of the upper end of the grinding roller 2, the second side plate 72 is positioned on the right side of the upper end of the grinding roller 2, the first side plate 71 and the second side plate 72 are configured to be close to or far away from each other, specifically, the first side plate 71 is connected with the shell 1 through a first telescopic rod, the second side plate 72 is connected with the shell 1 through a second telescopic rod 82, when the feeding device is used, as shown in fig. 3, the first side plate 71 and the second side plate 72 can enable materials to gather from the middle in the left-right direction, so as to avoid the materials from falling into the grinding roller 2 too dispersed on the left side and the right side, and the second side, and the first side plate 71 and the second side plate 72 can be adjusted according to different conditions of the materials, so that the first side plate 71 and the second side plate 72 can be close to or far away from each other, when the second side plate 72 is close to or far from each other, the second side of the feeding device can be driven, the second side of the roller press can be very little, and the situation is more material can be gathered, and the materials can be easily driven, and the situation when the roll is far from the middle and the situation is far from the middle and near the middle; when the feeding amount of the roller press is very large, the first side plate 71 and the second side plate 72 can be driven by the telescopic rods to be far away from each other, so that a relatively wide feeding space is provided for materials, the phenomenon that the materials are blocked at a feeding channel due to too small material column is avoided, the probability of production accidents is reduced, and the maintenance cost is reduced.

As shown in fig. 3 to 4, as a preferred scheme of the present embodiment, the present utility model further includes a feeding channel 9, the feeding channel 9 is installed above the housing 1, and the feeding channel 9 is communicated with the housing 1, a first plugboard 101 and a second plugboard 102 are disposed in the feeding channel 9, the first plugboard 101 and the second plugboard 102 are configured to be able to be abutted against or separated from each other, by adjusting the relative positions of the first plugboard 101 and the second plugboard 102 that are close to and separated from each other, the feeding amount and the flow speed of the material can be controlled more precisely to meet different production requirements, further, the present utility model further includes two cylinders 11, each cylinder 11 is fixedly connected with the first plugboard 101 and the second plugboard 102 for driving the two plugboards to be abutted against or separated from each other, by using the first plugboard 101 and the second plugboard 102 and driving the cylinders 11, thereby realizing more flexible control and adjustment of the opening and closing degree of the feeding channel 9, by adjusting the plugboards driven by the cylinders 11, thereby realizing rapid and accurate opening and closing actions, improving the production efficiency, compared with the conventional manual or mechanical operation, the driving of the cylinders 11, the present utility model has a fast response, a reliable operation, a long service life, and a stable operation, and a stable service life, and a stable performance.

Compared with the prior art, this scheme is through setting up flexible wearing parts on the baffle for the surface covering one deck wearing layer of traditional alloy material baffle, consequently under the long-time running condition of roll squeezer equipment, if take place the baffle and rock not hard up etc. the terminal of pivoted grinding roller can the first time contact with the flexible wearing parts on the baffle, flexible wearing parts can carry out effectual protection to the grinding roller, constantly rub with the alloy baffle when avoiding the grinding roller to rotate, the damage to the grinding roller can drop to minimum, simultaneously because the material is softer in metal baffle, when grinding roller and flexible wearing parts friction, the abnormal sound that the grinding roller terminal also can not take place to prick, and then the plate body that has solved the roll squeezer and take place because of long-time operation is not hard up, make plate body and roll squeezer produce the problem that rubs and produce abnormal sound.

The foregoing is merely exemplary of the present utility model, and specific technical solutions and/or features that are well known in the art have not been described in detail herein. It should be noted that, for those skilled in the art, several variations and modifications can be made without departing from the technical solution of the present utility model, and these should also be regarded as the protection scope of the present utility model, which does not affect the effect of the implementation of the present utility model and the practical applicability of the patent. The protection scope of the present application shall be subject to the content of the claims, and the description of the specific embodiments and the like in the specification can be used for explaining the content of the claims.

Claims (10)

1. A roll squeezer feed device, comprising:

the shell is internally and rotatably provided with two grinding rollers which are parallel to each other, and a gap is formed between the two grinding rollers and is used for extruding materials;

the baffle is fixedly arranged at the upper end of the shell;

the flexible wear-resistant piece is arranged on the baffle plate and is positioned at one side close to the grinding roller;

the mantles are fixedly arranged at the upper ends of the baffles so as to concentrate materials between the grinding rollers.

2. The roll press feed device of claim 1, wherein the baffles are parallel in a first direction, the flexible wear member completely covers a face of the baffles adjacent the mill roll, and the flexible wear member simultaneously covers a surface of the mantles.

3. The roll press feed device of claim 2, wherein the mantles are a ± 0.1cm minimum distance from the grinding roll in the first direction.

4. A roller press feed device as claimed in claim 3, characterized in that the flexible wear element is at a minimum distance b±0.1cm from the grinding roller in the second direction.

5. The roll press feed apparatus of claim 1, wherein the baffle comprises a first baffle and a second baffle, the first baffle being located on a front side of the grinding roll and the second baffle being located on a rear side of the grinding roll.

6. The roll squeezer feed device of claim 5, wherein the first baffle is rectangular in configuration and the second baffle is triangular in configuration, and wherein the lower end of the second baffle matches the shape of the end face of the grinding roll.

7. The roll press feed apparatus of claim 1, further comprising a side plate mounted to the housing, the side plate comprising a first side plate and a second side plate, the first side plate being positioned to the left of the upper end of the grinding roll, the second side plate being positioned to the right of the upper end of the grinding roll, the first side plate and the second side plate being configured to be movable toward and away from each other.

8. The roll squeezer feed device of claim 7, further comprising a first telescoping rod fixedly connected to the first side plate and a second telescoping rod fixedly connected to the second side plate.

9. The roll squeezer feed device of claim 1, further comprising a feed channel mounted above the housing and in communication with the housing, wherein a first insert plate and a second insert plate are disposed within the feed channel and are configured to abut one another or be spaced apart.

10. The roll squeezer feed device of claim 9, further comprising two cylinders, each of the two cylinders being fixedly connected to the first insert plate and the second insert plate, respectively, for driving the two insert plates to abut against or away from each other.