CN219559833U - Vertical mill scraping plate - Google Patents

Abstract

The utility model discloses a vertical mill scraping plate which is arranged on a supporting seat at the lower part of a grinding disc, wherein a rib plate perpendicular to the end face of the supporting seat is arranged between the outer wall of the grinding disc and the supporting seat, the vertical mill scraping plate comprises a scraping plate body and a fixing plate integrated with the scraping plate body, a fixing groove with the thickness consistent with that of the scraping plate body is formed in the supporting seat, and the scraping plate body is inserted into the fixing groove and fixedly connected with the rib plate through the fixing plate. Through the vertical mill scraping plate that above-mentioned mode set up, can promote the holding power to this scraping plate through the supporting seat to through fixed plate and gusset fixed connection, promote the whole fixed effect of this scraping plate, reach long service life, and the purpose of easily changing.

Description

Vertical mill scraping plate

Technical Field

The utility model relates to the technical field of mill accessories, in particular to a vertical mill scraping plate.

Background

The vertical mill has the working principle that a main motor drives a grinding disc to rotate through a main speed reducer, meanwhile, wind enters the mill from an air inlet, materials fall at the center of the grinding disc from a discharging opening, move like the edge of the grinding disc under the action of centrifugal force, are crushed by grinding rollers in a grinding area, continuously move to the edge of the grinding disc to the wind ring, take away finer materials by airflow, larger materials and iron blocks fall into a lower shell of the mill from the wind ring, are scraped into a return chute by a scraping plate and then enter a circulating elevator, and are lifted to the grinding chute by the elevator for grinding again.

During the operation of the vertical mill, the abrasion in the vertical mill is serious, especially the abrasion of the scraping plate and the abrasion of the lower box body contacted with the scraping plate. As shown in fig. 1 of the specification, the scraping plate 4 is mounted on the supporting seat 2 at the bottom of the grinding disc 1, and is usually fixed by adopting a welding mode, because the contact of a welding surface is small, the fixing effect of the scraping plate 4 is poor, meanwhile, the supporting capability of the supporting seat 2 to the scraping plate 4 is limited, the scraping plate 4 is easy to deform after being impacted in the use process, and the scraping plate 4 contacts with the lower shell after being deformed, so that the lower shell is severely worn and leaked.

Therefore, how to improve the fixing effect of the scraping plate is a technical problem that needs to be solved by the person skilled in the art.

Disclosure of Invention

The utility model aims to provide a vertical mill scraping plate which is embedded in a fixing groove of a supporting seat, so that the supporting force of the supporting seat on the scraping plate is improved, and the scraping plate is fixedly connected with a rib plate through the fixing plate, so that the overall fixing effect of the scraping plate is improved.

In order to achieve the above purpose, the utility model provides a vertical mill scraping plate which is arranged on a supporting seat at the lower part of a grinding disc, wherein a rib plate perpendicular to the end face of the supporting seat is arranged between the outer wall of the grinding disc and the supporting seat, the vertical mill scraping plate comprises a scraping plate body and a fixing plate integrated with the scraping plate body, a fixing groove with the thickness consistent with that of the scraping plate body is formed in the supporting seat, and the scraping plate body is inserted into the fixing groove and fixedly connected with the rib plate through the fixing plate.

Preferably, the fixing groove is located at the joint of the rib plate and the supporting seat, and the slotting direction of the fixing groove is parallel to the plane where the rib plate is located.

Preferably, the end face of the fixing plate is attached to the end face of the rib plate.

Preferably, the groove wall of the fixing groove abuts against the end face of the scraping plate body.

Preferably, the vertical mill scraping plate adopts a 16Mn steel plate, and the outer surface of the scraping plate body is provided with a wear-resistant coating.

Preferably, the rib plate and the fixing plate are provided with corresponding bolt holes, and bolts for fixing the fixing plate and the rib plate are arranged in the bolt holes.

Preferably, the number of the bolt holes is at least two, and the bolt holes are M24 bolt holes.

Preferably, the thickness of the vertical mill scraping plate is 16mm, and the width of the fixing groove is 16mm.

Compared with the background art, the vertical mill scraping plate comprises the scraping plate body and the fixing plate, wherein the scraping plate body and the fixing plate are of an integrated structure, the fixing groove is formed in the supporting seat, the thickness of the fixing groove is consistent with that of the scraping plate body, the scraping plate body is inserted into the fixing groove, stable support of the scraping plate body and the supporting seat is ensured, and meanwhile, the fixing plate is fixedly connected with the rib plate, so that the purpose of improving the fixing effect of the scraping plate is achieved.

Specifically, the scraping plate of the vertical mill is positioned on the supporting seat at the lower part of the grinding disc, and a rib plate is arranged between the outer wall of the grinding disc and the supporting seat so as to improve the stability of the supporting seat. Compared with the traditional scraping plate fixing mode, the vertical mill scraping plate is inserted into the fixing groove of the supporting seat, and a certain supporting force is provided for the vertical mill scraping plate through the circumferential stress of the supporting seat, so that the stabilizing effect of the scraping plate is improved; in addition, the fixed plate is fixedly connected with the rib plate, so that the fixed effect of the scraping plate is further improved, and the purposes of prolonging the service life and being convenient to replace are achieved.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required to be used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only embodiments of the present utility model, and that other drawings can be obtained according to the provided drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view of a prior art scraper arrangement;

fig. 2 is a schematic diagram of a fixed slot arrangement structure of a scraping plate of a vertical mill according to an embodiment of the present utility model;

fig. 3 is a schematic diagram of an arrangement structure of a scraping plate of a vertical mill according to an embodiment of the present utility model.

In the figure: 1. millstone 2, supporting seat 3, gusset 4, scraping plate 5, fixed slot 6, scraping plate body 7, fixed plate 8, bolt.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The present utility model will be further described in detail below with reference to the drawings and detailed description for the purpose of enabling those skilled in the art to better understand the aspects of the present utility model.

It should be noted that, in the present embodiment, the orientation or positional relationship indicated by "upper", "lower", "front", "rear", etc. is based on the orientation or positional relationship shown in the drawings, and is merely for convenience of describing the present utility model and simplifying the description, and does not indicate or imply that the device or element to be referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," "third," "fourth," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

As shown in fig. 2 and 3, in the present embodiment, a vertical mill scraping plate is provided, which is disposed on a supporting seat 2 at the lower part of a grinding disc 1, and as in the prior art, a rib plate 3 perpendicular to the end face of the supporting seat 2 is disposed between the outer wall of the grinding disc 1 and the supporting seat 2, and the rib plate 3 can enhance the stabilizing effect of the supporting seat 2. Above-mentioned vertical mill scraping plate includes scraping plate body 6 and fixed plate 7, and both are integrated into one piece structure, in order to promote this vertical mill scraping plate's stable effect, offered on supporting seat 2 with scraping plate body 6 thickness unanimous fixed slot 5, will scrape the scraping plate body 6 and insert in the fixed slot 5, simultaneously through fixed plate 7 and gusset 3 fixed connection.

The utility model is emphasized how to promote the fixed effect of the vertical mill scraping plate, compared with the traditional scraping plate fixed mode, the vertical mill scraping plate is inserted into the fixed groove 5 of the supporting seat 2, and a certain supporting force is provided for the vertical mill scraping plate through the circumferential stress of the supporting seat 2, so that the stable effect of the scraping plate is promoted; in addition, the fixed plate 7 is fixedly connected with the rib plate 3, so that the fixing effect of the scraping plate is further improved, and the purposes of prolonging the service life and being convenient to replace are achieved.

In addition, as shown in fig. 1 of the specification, the problems that the scraping plate 4 is difficult to repair and replace and the like exist in the prior art, and the vertical grinding scraping plate and the supporting seat 2 are arranged in a detachable connection mode, so that the purposes of convenient disassembly and high stability are achieved. The specific size of the scraper body 6 may be set according to practical situations, and the scraping effect of the vertical mill may be satisfied, which will not be described in detail herein.

It should be noted that, in order to ensure the fixing effect of the scraping plate of the vertical mill, the fixing groove 5 is disposed at the junction of the rib plate 3 and the supporting seat 2, that is, the edge of the fixing groove 5 can be close to the end face of the rib plate 3, meanwhile, on the basis of the above embodiment, the slotting direction of the fixing groove 5 needs to be parallel to the plane where the rib plate 3 is located, so as to ensure that the fixing plate 7 can be attached to the end face of the rib plate 3, so as to improve the connection stability of the two.

The above embodiment indicates that the circumferential stress of the supporting seat 2 provides a certain supporting force for the vertical mill scraping plate, and similarly, the grooving width of the fixing groove 5 is consistent with the thickness of the scraping plate body 6, so that the supporting seats 2 at two sides of the fixing groove 5 can play a certain supporting role on the scraping plate body 6, and the circumferential supporting force of the supporting seat 2 is very stable because of the annular shape of the supporting seat 2, so that the vertical mill scraping plate embedded in the fixing groove 5 has higher stability.

In addition, in order to promote the use intensity and the wearability of vertical mill scraping plate, in this embodiment, the vertical mill scraping plate adopts 16Mn steel sheet to set up wear-resisting coating at scraping plate body 6 surface, thereby prolong its life, reduce cost, increase productivity.

For the fixing mode of the fixing plate 7 and the rib plate 3, a preferred scheme is provided in the embodiment, and corresponding bolt holes are formed in the rib plate 3 and the fixing plate 7, and the fixing plate 7 is fixedly connected with the rib plate 3 through bolts 8; in order to secure the fixing effect, the number of bolts 8 and bolt holes is at least two, and M24 bolts and M24 nuts are preferable. Of course, the fixing modes of the rib plate 3 and the fixing plate 7 can be various, including but not limited to the above modes, which are not described in detail here, so that the rib plate 3 and the fixing plate are fixedly connected and are convenient to detach.

As another preferable scheme of the present embodiment, the thickness of the 16Mn steel plate may be set to 16mm, and the width of the fixing groove 5 is also 16mm, so that the stability is also high on the basis of having good strength.

It should be noted that in this specification relational terms such as first and second are used solely to distinguish one entity from another entity without necessarily requiring or implying any actual such relationship or order between such entities.

The principles and embodiments of the present utility model have been described herein with reference to specific examples, the description of which is intended only to facilitate an understanding of the method of the present utility model and its core ideas. It should be noted that it will be apparent to those skilled in the art that various modifications and adaptations of the utility model can be made without departing from the principles of the utility model and these modifications and adaptations are intended to be within the scope of the utility model as defined in the following claims.

Claims (8)

1. The vertical mill scraping plate is arranged on a supporting seat at the lower part of the grinding disc, a rib plate perpendicular to the end face of the supporting seat is arranged between the outer wall of the grinding disc and the supporting seat, and the vertical mill scraping plate is characterized by comprising a scraping plate body and a fixing plate integrated with the scraping plate body, a fixing groove with the thickness identical to that of the scraping plate body is formed in the supporting seat, and the scraping plate body is inserted into the fixing groove and fixedly connected with the rib plate through the fixing plate.

2. The vertical mill scraper of claim 1, wherein the fixing groove is located at the junction of the rib plate and the supporting seat, and the grooving direction of the fixing groove is parallel to the plane where the rib plate is located.

3. The vertical mill scraper of claim 2, wherein the fixed plate end face is in abutment with the gusset end face.

4. A vertical mill scraper according to claim 3, wherein the wall of the fixed slot abuts against the end face of the scraper body.

5. The vertical mill scraper of any one of claims 1-4, wherein the vertical mill scraper employs a 16Mn steel plate and the outer surface of the scraper body is provided with a wear resistant coating.

6. The vertical mill scraper of claim 5, wherein the rib plate and the fixing plate are provided with corresponding bolt holes, and bolts for fixing the fixing plate and the rib plate are arranged in the bolt holes.

7. The vertical mill scraper of claim 6, wherein the number of bolt holes is at least two and the bolt holes are M24 bolt holes.

8. The vertical mill scraper of claim 5, wherein the vertical mill scraper has a thickness of 16mm and the width of the fixed slot is also 16mm.