CN217796450U

CN217796450U - Positive pressure pulverizer rotor

Info

Publication number: CN217796450U
Application number: CN202221729159.3U
Authority: CN
Inventors: 李胜勇; 孟阳
Original assignee: Tangshan Shuangyi Feed Machinery Co ltd
Current assignee: Tangshan Shuangyi Feed Machinery Co ltd
Priority date: 2022-07-07
Filing date: 2022-07-07
Publication date: 2022-11-15
Anticipated expiration: 2032-07-07

Abstract

The application provides a positive pressure pulverizer rotor, which comprises a shaft sleeve; the rotating discs are uniformly sleeved on the shaft sleeve along the axis direction, and the two ends of the shaft sleeve are respectively provided with pressing discs corresponding to the rotating discs; the rotating disc is provided with a limiting hole and a hinge hole respectively; the plurality of rotating disks are positioned and fixed through the one-way positioning plate; the hinge holes are uniformly distributed around the circle center of the rotating disc and used for mounting the hammer sheets; the limiting hole is positioned between the hinge hole and the circle center, and a bidirectional positioning plate for limiting the hammer sheet is arranged in the limiting hole; the one-way positioning plate is also positioned in the limiting hole and is connected with the two-way positioning plate through a locking key. According to the technical scheme provided by the embodiment of the application, the limiting holes are formed in the rotating disks, the rotating disks can be separated and positioned by the aid of the one-way positioning plate, and the two-way positioning plate can be used for re-positioning the rotating disks and also can be used for separating and positioning the hammer pieces; the installation of two-way locating plate only needs insert spacing hole earlier, carries out the joint through sliding, convenient operation.

Description

Positive pressure pulverizer rotor

Technical Field

The application relates to the technical field of hammer mills, in particular to a positive pressure mill rotor.

Background

The hammer crusher includes mainly casing, feed inlet on the upper part of the casing, rotor inside the casing and sieve sheet around the rotor to form crushing chamber, and the upper part of the sieve sheet is connected to the lower side of the feed inlet.

Wherein, the rotor is generally assembled by a hammer, a hammer string rod, a hammer positioning sleeve rotating disk, a rotating disk spacing sleeve main shaft and other parts; in the using process, not only the hammer is worn, but also the rotating disc is worn to different degrees, namely, materials contact the rotating disc, and the service life of the pulverizer is influenced; meanwhile, the hammer sheets are connected with the rotating disc through the hammer sheet string rods, and the distance is fixed through the hammer sheet spacing sleeves, and the hammer sheets are not only complicated to install, but also easy to make mistakes and inconvenient to replace due to the fact that the hammer sheet spacing sleeves are generally different in length and fixed in position; therefore, the above problems need to be solved.

Disclosure of Invention

In view of the above-described deficiencies or inadequacies in the prior art, it would be desirable to provide a positive pressure pulverizer rotor.

The application provides a positive pressure pulverizer rotor, which comprises a shaft sleeve;

the shaft sleeve is uniformly sleeved with a rotating disc along the axis direction, and two ends of the shaft sleeve are respectively provided with a pressing disc corresponding to the rotating disc;

the rotating disc is provided with a limiting hole and a hinge hole respectively; the plurality of rotating disks are positioned and fixed through one-way positioning plates;

the hinge holes are uniformly distributed around the circle center of the rotating disc and used for mounting the hammer sheets;

the limiting hole is positioned between the hinge hole and the circle center, and a bidirectional positioning plate for limiting the hammer sheet is arranged inside the limiting hole;

the one-way positioning plate is also positioned in the limiting hole and is connected with the two-way positioning plate through a lock key.

Furthermore, a first butt joint groove is formed in the bidirectional positioning plate corresponding to the hammer sheet, and a second butt joint groove matched with the rotary plate is formed in the bidirectional positioning plate corresponding to the rotary plate; the width of the first butt-joint groove is matched with the thickness of the hammer sheet, and the depth of the first butt-joint groove is relatively larger than the length of the hammer sheet.

Furthermore, the hammer sheet is connected with the rotating disc through a hammer sheet string rod; the hammer piece string rod is positioned in the hinge hole; and the hammer slice is provided with a matched mounting hole corresponding to the hammer slice string rod.

Furthermore, a matched positioning groove is formed in the one-way positioning plate corresponding to the rotating disc; the positioning grooves are uniformly distributed along the length direction of the one-way positioning plate and are used for limiting the distance between every two adjacent rotating disks.

Furthermore, the limiting holes are strip-shaped holes, and the length direction of the limiting holes is parallel to the radial direction of the rotating disc; the width of the limiting hole is the same as the thickness of the unidirectional positioning plate and the bidirectional positioning plate, and the limiting hole is used for limiting the movement direction of the unidirectional positioning plate and the bidirectional positioning plate.

Further, a nut is further arranged on one side, away from the rotating disc, of the pressing disc; the nut is fixedly connected with the pressure plate and is connected with the shaft sleeve through threads.

Furthermore, external threads are respectively arranged at two ends of the shaft sleeve corresponding to the nuts; and a key groove is formed in the shaft sleeve and used for being in butt joint with the rotating shaft.

The application has the advantages and positive effects that:

according to the technical scheme, the limiting holes are formed in the rotating disks, the rotating disks can be separated and positioned by the aid of the one-way positioning plates, and the two-way positioning plates can be used for re-positioning the rotating disks and also can be used for dividing and positioning the hammer pieces; the installation of two-way locating plate only needs insert spacing hole earlier, carries out the joint through sliding, convenient operation not only can also cooperate one-way locating plate and locking to form the flabellum, with the synchronous rotation back of axle sleeve, can form the malleation to blow the material to the one end of keeping away from the axle sleeve, not only be convenient for smash, reduce the contact of material and carousel, can also assist the timely primary screen of material after the breakage, consequently, can improve life, can improve crushing efficiency again.

Drawings

FIG. 1 is a schematic structural diagram of a rotor of a positive pressure pulverizer provided by an embodiment of the present application;

FIG. 2 is a schematic structural diagram of a rotating disk of a rotor of a positive pressure pulverizer provided by an embodiment of the present application.

The text labels in the figures are represented as: 100-shaft sleeve; 110-a platen; 111-a nut; 120-a locking key; 130-a keyway; 200-rotating the disc; 210-a limiting hole; 220-hinge hole; 230-one-way positioning plate; 300-hammer pieces; 310-a bidirectional positioning plate; 320-hammer slice string rod; 400-rotating shaft.

Detailed Description

The following detailed description of the present application is given for the purpose of enabling those skilled in the art to better understand the technical solutions of the present application, and the description in this section is only exemplary and explanatory, and should not be taken as limiting the scope of the present application in any way.

Referring to fig. 1-2, the present embodiment provides a positive pressure pulverizer rotor, which includes a shaft sleeve 100; a plurality of rotating discs 200 are uniformly sleeved on the shaft sleeve 100 along the axial direction; the rotating disks 200 at both ends are positioned by the pressure plate 110, respectively, and the rotating disks 200 therebetween are positioned by the one-way positioning plate 230, so that the rotating disks 200 are relatively fixedly mounted on the sleeve 100.

Preferably, a limit hole 210 is formed in the rotating disc 200 corresponding to the one-way positioning plate 230; the limiting holes 210 are strip-shaped holes, and four limiting holes are arranged in total; the four limiting holes 210 are uniformly arranged around the center of the rotating disc 200, and the length direction is parallel to the radial direction of the rotating disc 200.

Preferably, the one-way positioning plate 230 is provided with a matching positioning slot corresponding to the rotating disc 200; the positioning grooves are uniformly arranged along the length direction of the one-way positioning plate 230, and when the positioning grooves are in butt joint with the rotating disk 200, the one-way positioning plate 230 is firstly inserted into the limiting hole 210 and then moves downwards, so that clamping connection between the positioning grooves and the rotating disk 200 can be completed.

In a preferred embodiment, the turntable 200 is further provided with a hinge hole 220; the hinge hole 220 is disposed corresponding to the limiting hole 210, and is located at one end of the limiting hole 210 away from the center of the rotating disc 200 for mounting the hammer 300.

Preferably, the hammer 300 is connected with the rotating disc 200 through a hammer string rod 320; the hammer string rod 320 penetrates through each hinge hole 220; the hammer 300 is mounted on the hammer stem 320 through matching mounting holes.

Preferably, the distance between adjacent hammer blades 300 is limited by the bidirectional positioning plate 310; the bidirectional positioning plate 310 is provided with a first butt groove and a second butt groove corresponding to the hammer 300 and the rotating disc 200 respectively; the width of the first butt-joint groove is matched with the thickness of the hammer pieces 300, so that the distance between the hammer pieces 300 is limited, and the depth is relatively greater than the length of the hammer pieces 300, so that the hammer pieces can rotate relative to the hammer piece string rod 320; the width and depth of the second butt joint groove are respectively matched with those of the rotating disc 200, so that the rotating disc 200 can be further clamped and positioned.

The mounting method of the two-way positioning plate 310 is the same as that of the one-way positioning plate 230, and the two-way positioning plate is inserted into the limiting hole 210 first and then slides to clamp the second card slot on the rotating disk 200.

Preferably, a locking key 120 is also included; because the installation of one-way locating plate 230 and two-way locating plate 310 all need slide the joint, consequently, after the installation, certain gap can be left between one-way locating plate 230 and the two-way locating plate 310, at this moment, insert the catch 120 between one-way locating plate 230 and the two-way locating plate 310, alright prevent that the phenomenon of backward slip from appearing in one-way locating plate 230 and two-way locating plate 310, it is more stable.

In a preferred embodiment, a nut 111 is further provided on the side of the platen 110 away from the rotating disk 200; the nut 111 is integrally formed with the pressure plate 110 and is threadedly coupled with the shaft sleeve 100, so that the pressure plate 110 can be driven to position the corresponding rotating disc 200, and the pressure plate 110 can be used to limit the outward sliding of the locking key 120.

Preferably, the shaft sleeve 100 is provided with matching external threads on the outer portion corresponding to the nut 11 and a key groove 130 on the inner portion; the external threads are respectively located at two ends of the shaft sleeve 100, and the key groove 130 is used for limiting the relative rotation between the shaft sleeve 100 and the rotating shaft 400 by matching with the key after the shaft sleeve 100 is butted with the rotating shaft 400.

The principles and embodiments of the present application are explained herein using specific examples, which are provided only to help understand the method and the core idea of the present application. The foregoing is only a preferred embodiment of the present application, and it should be noted that there are objectively infinite specific structures due to the limited character expressions, and it will be apparent to those skilled in the art that a plurality of modifications, decorations or changes may be made without departing from the principle of the present invention, and the technical features described above may be combined in a suitable manner; such modifications, variations, combinations, or adaptations of the invention in other contexts without modification may be viewed as within the scope of the present application.

Claims

1. A positive pressure pulverizer rotor, characterized by comprising a shaft sleeve (100);

the rotating disc (200) is uniformly sleeved on the shaft sleeve (100) along the axis direction, and pressure discs (110) are respectively arranged at two ends of the shaft sleeve corresponding to the rotating disc (200);

the rotating disc (200) is provided with a limiting hole (210) and a hinge hole (220) respectively; the plurality of rotating disks (200) are positioned and fixed through a one-way positioning plate (230);

the hinge holes (220) are uniformly distributed around the circle center of the rotating disc (200) and used for mounting the hammer sheets (300);

the limiting hole (210) is positioned between the hinge hole (220) and the circle center, and a bidirectional positioning plate (310) for limiting the hammer sheet (300) is arranged in the limiting hole;

the one-way positioning plate (230) is also positioned in the limiting hole (210) and is connected with the two-way positioning plate (310) through a locking key (120).

2. The positive pressure pulverizer rotor according to claim 1, wherein the bidirectional positioning plate (310) is provided with a first butt groove corresponding to the hammer piece (300) and a second matched butt groove corresponding to the rotating disk (200); the width of the first butt joint groove is matched with the thickness of the hammer piece (300), and the depth of the first butt joint groove is relatively larger than the length of the hammer piece (300).

3. The positive pressure pulverizer rotor according to claim 1, wherein the hammer blades (300) are connected with the rotating disk (200) through hammer blade string rods (320); the hammer piece string rod (320) is positioned in the hinge hole (220); the hammer piece (300) is provided with a matched mounting hole corresponding to the hammer piece string rod (320).

4. The rotor of the positive pressure pulverizer as claimed in claim 1, wherein the one-way positioning plate (230) is provided with a matching positioning groove corresponding to the rotating disk (200); the positioning grooves are uniformly distributed along the length direction of the one-way positioning plate (230) and are used for limiting the distance between every two adjacent rotating disks (200).

5. The positive pressure pulverizer rotor according to claim 1, wherein the limiting hole (210) is a strip-shaped hole, and the length direction is parallel to the radial direction of the rotating disk (200); the width of the limiting hole (210) is the same as the thickness of the one-way positioning plate (230) and the two-way positioning plate (310), and the limiting hole is used for limiting the movement direction of the one-way positioning plate (230) and the two-way positioning plate (310).

6. The rotor of a positive pressure pulverizer as claimed in claim 1, wherein the platen (110) is further provided with a nut (111) on a side thereof remote from the rotating disk (200); the nut (111) is fixedly connected with the pressure plate (110) and is connected with the shaft sleeve (100) through threads.

7. The positive pressure pulverizer rotor according to claim 6, wherein both ends of the bushing (100) are respectively provided with external threads corresponding to the nuts (111); the shaft sleeve (100) is also internally provided with a key groove (130) for butting with the rotating shaft (400).