CN111482241A

CN111482241A - Hammer grinder rotor and hammer grinder

Info

Publication number: CN111482241A
Application number: CN202010242213.0A
Authority: CN
Inventors: 凯尔西·C; 托姆·Jr
Original assignee: Jiangsu Famsun Intelligent Technology Co Ltd
Current assignee: Jiangsu Famsun Intelligent Technology Co Ltd
Priority date: 2020-03-31
Filing date: 2020-03-31
Publication date: 2020-08-04

Abstract

The invention discloses a hammer mill rotor and a hammer mill, which comprise a central shaft and a plurality of hammer frame plates vertically connected with the central shaft, wherein the hammer frame plates are provided with a plurality of frame plate through holes for penetrating hammer pin shafts, the hammer mill rotor further comprises a plurality of spacing bracket assemblies, each spacing bracket assembly comprises at least two groups of bracket side plates, each bracket side plate is provided with a pin shaft through hole matched with the frame plate through hole, the at least two groups of bracket side plates are arranged between the hammer frame plates in an end-to-end connection mode, each blocking piece is provided with a blocking piece notch for placing a hammer, the bracket side plates, the hammer frame plates and the hammers are connected through pin shafts, and the pin shafts penetrate through the frame plate. According to the invention, on the premise of not damaging the existing hammer sheet frame plate, the hammer sheet is fixed by forming a complete circle by the two spacing bracket assemblies, and the complex marking and the disassembling of the hammer cutter spacer bush are not needed during the disassembling and assembling, so that the mounting efficiency of the hammer sheet is improved. The catch gaps at multiple positions can meet the installation requirements of various types of hammer sheets.

Description

Hammer grinder rotor and hammer grinder

Technical Field

The invention relates to a rotor of a hammer crusher and the hammer crusher, and belongs to the technical field of hammer crushers.

Background

The rotor is a key part of the hammer crusher, and needs to be replaced when the working object is changed, and meanwhile, the hammer is also a vulnerable part, so that the hammer is frequently replaced in practical application. Fig. 1 is a rotor of a hammer mill in the prior art, which includes a central shaft and a plurality of hammer frame plates vertically connected to the central shaft, wherein through holes are formed in the hammer frame plates, and when the hammer is mounted on the rotor of the hammer mill, the through holes are penetrated through the frame plates by pins. The axial distance between the hammer pieces or between the hammer pieces and the hammer piece frame plate is adjusted by the spacer sleeves sleeved on the pin shafts, when the positions of the hammer pieces need to be replaced or adjusted, the pin shafts need to be pulled out, the workload is high, and the original sequence of the spacer sleeves of the pin shafts needs to be accurately marked.

Because the cylindrical spacer bush has the defects, the hammer slice limiting device adopting other modes is adopted to limit and adjust the distance between the hammer slices in the prior art, for example, the patent with the application number of '201811305171X' discloses a limiting device for conveniently replacing the hammer slices for a hammer slice type crusher, the patent adopts a limiting body to control the distance between the hammer slices, the limiting body is composed of a plurality of limiting rod piece units, and the limiting rod piece units are provided with a plurality of non-tail-end limiting shafts, tail-end limiting shafts and a plurality of pairs of limiting discs. The outer surface of each non-tail end limiting shaft and the outer surface of each tail end limiting shaft are provided with a plurality of pairs of limiting discs, and the hammer sheets are controlled through the separation cavities between the limiting discs. However, the installation of the limiting body needs to change the structure of the original hammer slice rack plate, and the hammer slice can not be fixed by using the traditional pin shaft spacer bush again after the change. In addition, the hammer slice is fixed in the prior art by adopting a hammer slice frame, a groove for placing the hammer slice is arranged on the hammer slice frame, the groove can limit the hammer slice to slide along a pin shaft, but the groove is the same as the fixing mode of the limiting body, and the installation of the hammer slice frame also needs to change the structure of the original hammer slice frame plate, so that the change is irreversible. On the other hand, in order to adapt the standard form hammer mill to these changes, enormous labor and financial costs are required. Meanwhile, once the existing hammer piece crusher is changed, the traditional conventional hammer piece changing mode using a cylindrical spacer bush mode is difficult to change.

Disclosure of Invention

In order to overcome the defects in the prior art, the invention aims to provide a crusher rotor and a hammer crusher, which can realize quick replacement of hammer blades on the premise of ensuring that the original mechanical structure is not damaged.

In order to achieve the above object, the present invention adopts the following technical solutions:

the utility model provides a hammer mill rotor, connect in a plurality of hammer frame plates of center pin including center pin and perpendicular, the hammer frame plate is equipped with a plurality of frame plate through-holes that are used for passing the hammer pin axle, a serial communication port, still include a plurality of interval bracket components, interval bracket component includes at least two sets of support curb plates, the support curb plate be equipped with frame plate through-hole assorted round pin axle through-hole, at least two sets of support curb plates end to end set up between the hammer frame plate, the separation blade is equipped with the separation blade breach that is used for placing the hammer, the support curb plate, the hammer frame plate, through round pin hub connection between the hammer, the round pin axle passes the frame.

Preferably, each group of support side plates comprises two support side plates arranged in parallel, and the blocking piece is arranged between the two support side plates.

Preferably, in the rotor of the hammer mill, the pin shaft is further provided with a locking device for preventing the pin shaft from axially moving.

Preferably, in the rotor of the hammer mill, the locking device includes a first locking collar and a second locking collar welded to the side plate of the bracket.

Preferably, in the rotor of the hammer mill, the blocking pieces are of a plurality of types, and the blocking piece gaps of the blocking pieces of the plurality of types are different from the distance of the side plate of the bracket.

Preferably, in the rotor of the hammer mill, a bracket side plate connecting plate connected with a side part is arranged at the end part of the bracket side plate, and the bracket side plate connecting plate is also provided with a through hole for connecting a pin shaft.

Preferably, in the rotor of the hammer mill, the connection mode between the blocking piece and the bracket side plate is welding.

Preferably, in the rotor of the hammer mill, the outer edge of the side plate of the bracket is further provided with a side plate notch for placing the hammer.

Preferably, in the rotor of the hammer mill, the spacer bracket assembly includes two sets of bracket side plates.

A hammer mill comprising the hammer mill rotor of any one of the preceding claims.

The invention achieves the following beneficial effects:

1. the installation and the disassembly of the spacing bracket component and the hammer sheet frame plate in the prior art can be realized by the pin shaft and the locking device, and the installation position of the hammer sheet is determined by the position of the notch of the separation blade on the spacing bracket component, so that the hammer sheet can be correctly installed only by ensuring the correct installation of the spacing bracket component. Because two spacer bracket assemblies can constitute complete a week, the installation of spacer bracket assembly is simpler, need not complicated mark, has promoted the installation effectiveness of hammer leaf.

2. The hammer is characterized in that the hammer comprises a bracket side plate, a plurality of blocking pieces are arranged on the bracket side plate, and the distance between the blocking piece gaps of the blocking pieces is different from that of the bracket side plate.

3. The present invention does not destroy the existing hammer sheet frame plate, so when the spacing bracket assembly is not needed to fix the hammer sheet, the traditional cylindrical spacer form can be used.

Drawings

FIG. 1 is a prior art rotor structure of a hammer mill;

FIG. 2 is a rotor structure of the hammer mill of the present invention;

FIG. 3 is a side panel configuration of the two sets of brackets of the present invention;

FIG. 4 is a side panel construction of a set of brackets of the present invention (hiding the second locking collar);

FIG. 5 is a schematic view of the attachment of two bracket side plates of the present invention;

the meaning of the reference symbols in the figures: 1-hammer rack board; 2-a pin shaft; 3-a spacer bracket assembly; 4-locking the collar I; 5-a baffle plate; 11-frame plate through holes; 51-a flap notch; 6-bracket side plate; 61-locking collar II; 62-side plate notch; 63-support side plate connecting plate; 64-Pin through hole.

Detailed Description

The invention is further described below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.

As shown in fig. 2 to 5: the embodiment discloses a rotor of a hammer mill, which comprises a central shaft and a plurality of hammer frame plates 1 vertically connected to the central shaft, wherein the hammer frame plates 1 are provided with a plurality of frame plate through holes 11 used for penetrating through hammer pin shafts.

This embodiment still includes a plurality of spacer bracket assembly 3, and spacer bracket assembly 3 includes at least two sets of support curb plates 6, and support curb plate 6 is equipped with and frame plate through-hole 11 assorted round pin axle through-hole 64, and at least two sets of support curb plates 6 end to end set up between hammer frame board 1. The separation blade 5 is provided with a separation blade gap 51 for placing the hammer sheet, the support side plate 6, the hammer sheet frame plate 1 and the hammer sheet are connected through a pin shaft 2, and the pin shaft 2 penetrates through the frame plate through hole 11, the pin shaft through hole 64 and the hammer sheet.

Each group of support side plates 6 comprises two support side plates 6 which are arranged in parallel, the blocking pieces 5 are arranged between the two support side plates 6, and the connection mode between the two support side plates is preferably selected by welding.

The pin shaft 2 is also provided with a locking device for avoiding axial movement of the pin shaft 2, specifically, the locking device comprises a first locking collar 4 and a second locking collar 61 welded on the side plate 6 of the bracket, the first locking collar 4 and the second locking collar 61 are different in locking mode, the former realizes reduction of the inner diameter through fastening of a bolt, and then realizes tight fit with the pin shaft 2; the latter is supported against the side of the pin shaft 2 in a jackscrew mode. It should be noted that each pin 2 needs to be provided with a locking device, and the number of the locking devices can be determined according to actual situations.

The baffle 5 of this embodiment has a plurality of kinds, and the distance of the baffle notch 51 of the baffle 5 of a plurality of kinds is different relative to the bracket side plate 6, because the position of the baffle notch 51 is the position of the corresponding hammer, and in order to make the crushing effect better, the hammer is generally layered along the central axis of the rotor, that is to say, the distance of the hammer inside the same group of bracket side plates 6 relative to the bracket side plate 6 has a plurality of kinds. For example, six hammer sheets are arranged in one group of support side plates 6, the distance between the six hammer sheets and the support side plates 6 can be three, and the hammer sheets with three different distances are alternately arranged, so that the rotor achieves a better crushing effect.

Referring to fig. 3: the outer edge of the bracket side plate 6 is also provided with a side plate notch 62 for placing the hammer sheet, and the side plate notch 62 is used for accommodating the hammer sheet arranged at the position, so that the hammer sheets can be distributed more uniformly; on the other hand, the hammer blades installed in the different position baffle notches 51 can also adapt to light load, middle load, heavy load and customized hammer blade arrangement.

Preferably, the spacer bracket assembly 3 includes two sets of bracket side plates 6, each set of bracket side plates 6 being generally fan-shaped and having an arc greater than 180 degrees (because of the overlapping portions at the ends of the abutting bracket side plates 6). The connection of the two abutting bracket side plates 6 is:

referring to fig. 5: the end part of the bracket side plate 6 is provided with a bracket side plate connecting plate 63 connected with the side part, and the bracket side plate connecting plate 63 is also provided with a through hole for connecting the pin shaft 2. Here, the side connection means that the bracket side plate connecting plate 63 and the bracket side plate 6 are offset by the thickness of one bracket side plate 6, so that the two bracket side plates 6 are in the same plane.

When the hammer is used, when the hammer needs to be replaced, the first locking collar 4 and the second locking collar 61 are loosened, the pin shaft 6 is pulled out, the hammer can be directly taken down, a new hammer is placed in the side plate notch 62, the mounting hole of the new hammer, the pin shaft through hole 64 and the frame plate through hole 11 are overlapped, the pin shaft 2 is inserted, and the hammer can be mounted by locking the locking device. Since the axial position of the hammer blade is determined by the position of the stop notch 51, the correct position of the spacer bracket assembly 3 is ensured during installation.

Since in practical application, a plurality of crushing modes are needed, in general, the hammer cutter frame plate 1 is provided with two pin shaft holes, one is used for fine crushing, and the other is used for coarse crushing. If the mill is used for fine comminution, the pin bores corresponding to those used for coarse comminution can be used for fixing the frame plate to the mill rotor. Also, if the mill is used for coarse grinding, the pin holes corresponding to those used for fine grinding can be used to secure the frame plate to the mill rotor.

Because original hammer leaf frame plate 1 can not destroyed in this embodiment spacer subassembly's installation, consequently when the spacer subassembly that does not need this embodiment, can directly dismantle through the mode of pulling out round pin axle 2, can also use traditional cylindrical spacer form like this.

The embodiment also discloses a hammer mill which comprises the hammer mill rotor.

The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.

Claims

1. A rotor of a hammer mill, which comprises a central shaft and a plurality of hammer frame plates (1) vertically connected with the central shaft, the hammer sheet frame plate (1) is provided with a plurality of frame plate through holes (11) for penetrating through the hammer sheet pin shaft, characterized in that the utility model also comprises a plurality of spacing bracket assemblies (3), the spacing bracket assemblies (3) comprise at least two groups of bracket side plates (6), the side plate (6) of the bracket is provided with a pin shaft through hole (64) matched with the frame plate through hole (11), the at least two groups of bracket side plates (6) are arranged between the hammer sheet frame plates (1) in an end-to-end way, the separation blade (5) is provided with a separation blade gap (51) for placing the hammer blade, the bracket side plate (6), the hammer blade frame plate (1) and the hammer blade are connected through a pin shaft (2), the pin shaft (2) penetrates through the frame plate through hole (11), the pin shaft through hole (64) and the hammer sheet.

2. A rotor of a hammer mill according to claim 1, wherein each set of bracket side plates (6) comprises two bracket side plates (6) arranged in parallel, the baffle plate (5) being arranged between the two bracket side plates (6).

3. A rotor for a hammer mill according to claim 1, characterized in that the pin (2) is further provided with locking means for preventing axial play of the pin (2).

4. A rotor for a hammer mill according to claim 3, wherein the locking means comprises a first locking collar (4) and a second locking collar (61) welded to the side plate (6) of the frame.

5. A rotor for a hammer mill according to claim 4, wherein the plurality of types of the baffle plates (5) have different baffle notches (51) of the plurality of types of the baffle plates (5) with respect to the side plate (6) of the bracket.

6. A rotor of a hammer mill according to claim 1, characterized in that the end of the bracket side plate (6) is provided with a bracket side plate connection plate (63) connected laterally, the bracket side plate connection plate (63) also being provided with a through hole for connecting the pin shaft (2).

7. A rotor of a hammer mill according to claim 1, characterized in that the connection between the baffle plate (5) and the bracket side plate (6) is a weld.

8. A rotor of a hammer mill according to claim 5, characterized in that the outer edge of the bracket side plate (6) is further provided with a side plate notch (62) for placing a hammer.

9. A hammer mill rotor according to claim 1, characterized in that the spacer bracket assembly (3) comprises two sets of bracket side plates (6).

10. A hammer mill comprising the hammer mill rotor according to any one of claims 1 to 9.