CN213315358U

CN213315358U - Bar pin structure and stirring mechanism

Info

Publication number: CN213315358U
Application number: CN202021322777.7U
Authority: CN
Inventors: 邓世军; 王伟; 宋克甫; 余伟
Original assignee: DONGGUAN LONGLY MACHINERY CO LTD
Current assignee: DONGGUAN LONGLY MACHINERY CO LTD
Priority date: 2020-07-07
Filing date: 2020-07-07
Publication date: 2021-06-01
Anticipated expiration: 2030-07-07

Abstract

The utility model relates to the technical field of sand mills, in particular to a rod pin structure and a stirring mechanism, which comprises a base, a rod pin and a fixing part, wherein the base is made of non-metallic materials and is used for being sleeved on an external rotating shaft; the base is radially provided with mounting holes, the base is provided with fixing holes which form an angle with the mounting holes and are communicated with the mounting holes, the rod pins are arranged in the mounting holes, and the tops of the rod pins protrude out of the mounting holes; the rod pin is provided with a positioning hole which is communicated with the fixing hole, and the fixing piece penetrates through the fixing hole and is arranged in the positioning hole to fix the rod pin in the base. The utility model discloses a be provided with the base and come the cover in the pivot to adopt the mounting to come on excellent round pin place base, can guarantee that the excellent round pin rotates along with the pivot in the lump, and avoid the excellent round pin to break away from the pivot at the rotation in-process, thereby guaranteed the stability of grinding.

Description

Bar pin structure and stirring mechanism

Technical Field

The utility model belongs to the technical field of the sand mill technique and specifically relates to indicate a stick round pin structure and rabbling mechanism.

Background

The sand mill is equipment which drives materials to continuously collide with grinding media in a stirring mode, so that the unit volume of the materials is continuously reduced, and the grinding effect is achieved. Most of the existing sand mills are composed of a rotating shaft and a rotor (or a rod pin), wherein the rotating shaft is made of metal to ensure the strength of the rotating shaft, and the rotor and the rod pin are made of non-metal materials to avoid the pollution to materials caused by the falling of metal particles due to the abrasion in the grinding process.

However, the fixing structure adopted at present is unstable for the pin, that is, after the pin is used for a long time, the pin is easy to be separated from the rotating shaft and does not rotate along with the rotating shaft, which causes adverse effect on the grinding efficiency.

Disclosure of Invention

The utility model discloses problem to prior art provides a stick round pin structure, can make the stick round pin fix in the pivot steadily.

In order to solve the technical problem, the utility model discloses a following technical scheme:

the utility model provides a rod pin structure, which comprises a base, a rod pin and a fixing piece, wherein the base is made of non-metallic materials and is used for being sleeved on an external rotating shaft; the base is radially provided with mounting holes, the base is provided with fixing holes which form an angle with the mounting holes and are communicated with the mounting holes, the rod pins are arranged in the mounting holes, and the tops of the rod pins protrude out of the mounting holes; the rod pin is provided with a positioning hole which is communicated with the fixing hole, and the fixing piece penetrates through the fixing hole and is arranged in the positioning hole to fix the rod pin in the base.

Further, the base comprises an inner sleeve and an outer sleeve, the inner sleeve is used for being sleeved on an external rotating shaft, the outer sleeve is sleeved on the outer side wall of the inner sleeve, the mounting holes comprise a first mounting hole formed in the inner sleeve and a second mounting hole formed in the outer sleeve, the first mounting hole is communicated with the second mounting hole, the rod pin is arranged in the first mounting hole after passing through the second mounting hole, and the fixing hole is formed in the inner sleeve.

Further, the fixing hole is perpendicular to the first mounting hole.

Further, the pin and the outer sleeve are made of zirconia or silicon carbide, and the inner sleeve is made of a metal material.

Furthermore, the base is provided with two mounting holes and two fixing holes, the two mounting holes are arranged in a central symmetry mode of the base, the two fixing holes are arranged in one-to-one correspondence with the two mounting holes respectively, and the two mounting holes are internally provided with the bar pins respectively.

The utility model provides an agitating mechanism, includes pivot, compact structure and two at least foretell stick round pin structures, compact structure set up in the one end of pivot, the equal cover of two at least stick round pin structures is established the outer wall of pivot is provided with the spacer sleeve between the adjacent stick round pin structure, the spacer sleeve with compact structure is made by non-metallic material.

Furthermore, the compression structure comprises a pressing plate and a sheath, the pressing plate is fixedly connected with the rotating shaft, the sheath is sleeved on the pressing plate, first threads are arranged on the outer side wall of the pressing plate, second threads used for being in threaded connection with the first threads are arranged on the inner side wall of the sheath, and the sheath is matched with the rod pin structure closest to the sheath to wrap the pressing plate;

the pressure plate is made of a metal material, and the sheath is made of a non-metal material.

The utility model has the advantages that: the utility model discloses a be provided with the base and come the cover in the pivot to adopt the mounting to come on excellent round pin place base, can guarantee that the excellent round pin rotates along with the pivot in the lump, and avoid the excellent round pin to break away from the pivot at the rotation in-process, thereby guaranteed the stability of grinding.

Drawings

FIG. 1 is a sectional view of example 2.

Reference numerals: the structure comprises a base, a rod pin, a fixing piece, a rotating shaft, a pressing structure, a spacer sleeve, a mounting hole, a fixing hole, an inner sleeve, an outer sleeve, a first mounting hole, a second mounting hole, a positioning plate, a pressing plate, a protective sleeve, a first thread and a second thread, wherein the base is 1, the rod pin is 2, the fixing piece is 3, the rotating shaft is 4, the pressing structure is 5, the spacer sleeve is 6, the mounting hole is 11, the fixing hole is 12, the inner sleeve is 13.

Detailed Description

In order to facilitate understanding of those skilled in the art, the present invention will be further described with reference to the following examples and drawings, which are not intended to limit the present invention. The present invention will be described in detail with reference to the accompanying drawings.

Example 1

Referring to fig. 1, the present embodiment provides a bar pin 2 structure, including a base 1, a bar pin 2 and a fixing member 3, where the base 1 is made of a non-metal material, and the base 1 is configured to be sleeved on an external rotating shaft 4; the base 1 is radially provided with a mounting hole 11, the base 1 is provided with a fixing hole 12 which forms an angle with the mounting hole 11 and is communicated with the mounting hole, the bar pin 2 is arranged in the mounting hole 11, and the top of the bar pin 2 protrudes out of the mounting hole 11; the bar pin 2 is provided with a positioning hole 21, the positioning hole 21 is communicated with the fixing hole 12, and the fixing piece 3 penetrates through the fixing hole 12 and is arranged in the positioning hole 21 in a post-installation mode to fix the bar pin 2 in the base 1.

During the use, earlier 1 cover base on pivot 4, then insert mounting hole 11 and install stick round pin 2, insert mounting 3 again and realize the fixed to stick round pin 2 in locating hole 21 and fixed orifices 12 for stick round pin 2 can not break away from base 1, when pivot 4 rotated promptly, stick round pin 2 rotated and can not fly away from base 1 along with pivot 4, thereby guaranteed the effect of grinding. In particular, the fixing member 3 is preferably a bolt.

In addition, as shown in fig. 1, the base 1 of the present invention can be made of zirconia or silicon carbide, and the following structure can be adopted for increasing strength: the base 1 comprises an inner sleeve 13 and an outer sleeve 14, the inner sleeve 13 is used for being sleeved on an external rotating shaft 4, the outer sleeve 14 is sleeved on the outer side wall of the inner sleeve 13, the mounting hole 11 comprises a first mounting hole 15 arranged on the inner sleeve 13 and a second mounting hole 16 arranged on the outer sleeve 14, the first mounting hole 15 is communicated with the second mounting hole 16, the bar pin 2 is arranged in the first mounting hole 15 after passing through the second mounting hole 16, and the fixing hole 12 is arranged on the inner sleeve 13; the pin 2 and the outer sleeve 14 are both made of zirconia or silicon carbide, and the inner sleeve 13 is made of a metal material. The strength of the base 1 is increased by using the inner sleeve 13 made of metal as a framework, and then the outer sleeve 14 made of nonmetal is arranged outside the inner sleeve 13, so that the condition that metal does not fall into materials is ensured, and the materials are prevented from being polluted by metal.

In this embodiment, the fixing hole 12 is perpendicular to the first mounting hole 15, so that the fixing member 3 can be inserted into the fixing hole 12 and fixed in the positioning hole 21 to fix the bar pin 2.

In this embodiment, the base 1 is provided with two mounting holes 11 and two fixing holes 12, the two mounting holes 11 are arranged in a central symmetry manner of the base 1, the two fixing holes 12 are respectively arranged in one-to-one correspondence with the two mounting holes 11, and the two mounting holes 11 are respectively provided with the bar pin 2. That is, by providing two pins 2 on one base 1, the efficiency of stirring can be increased, i.e., the efficiency of grinding can be made more excellent.

Example 2

This embodiment provides an rabbling mechanism, including pivot 4, compact structure and two at least embodiment 1 stick round pin 2 structures, compact structure set up in the one end of

pivot

4, 2 structures of stick round pin of two at least are all established the outer wall of pivot 4 is provided with separation sleeve 6 between the 2 structures of adjacent stick round pin, separation sleeve 6 with compact structure 5 is made by non-metallic material. Through the cooperation of

compact structure

5, 2 mechanisms of stick round pin and 6 spacer sleeves, realized the effect of 4 complete parcels of pivot, guaranteed promptly that pivot 4 can not contact with the material, prevent to drop metal particles thing to material and lead to the material to be polluted at grinding in-process pivot 4.

In this embodiment, the compressing structure includes a pressing plate 51 and a sheath 52, the pressing plate 51 is fixedly connected with the rotating shaft 4, the sheath 52 is sleeved on the pressing plate 51, a first thread 53 is arranged on an outer side wall of the pressing plate 51, a second thread 54 for screwing with the first thread 53 is arranged on an inner side wall of the sheath 52, and the sheath 52 is matched with the structure of the bar pin 2 closest to the sheath 52 to wrap the pressing plate 51; specifically, the pressing plate 51 is made of a metal material, and the sheath 52 is made of a non-metal material.

The pressing plate 51 serves as a framework of the pressing structure 5, and the pressing plate 51 made of metal is prevented from being in contact with materials by wrapping the pressing plate 51 through the sheath 52, so that the strength of the pressing structure is improved.

The above description is only for the preferred embodiment of the present invention, and the present invention is not limited to the above description, and although the present invention is disclosed in the preferred embodiment, it is not limited to the above description, and any person skilled in the art can make some changes or modifications to equivalent embodiments without departing from the scope of the present invention, but all the technical solutions of the present invention are within the scope of the present invention.

Claims

1. A bar and pin construction characterized by: the device comprises a base, a rod pin and a fixing piece, wherein the base is made of a non-metal material and is used for being sleeved on an external rotating shaft; the base is radially provided with mounting holes, the base is provided with fixing holes which form an angle with the mounting holes and are communicated with the mounting holes, the rod pins are arranged in the mounting holes, and the tops of the rod pins protrude out of the mounting holes; the rod pin is provided with a positioning hole which is communicated with the fixing hole, and the fixing piece penetrates through the fixing hole and is arranged in the positioning hole to fix the rod pin in the base.

2. The bar pin structure according to claim 1, wherein: the base comprises an inner sleeve and an outer sleeve, the inner sleeve is used for being sleeved on an external rotating shaft, the outer sleeve is sleeved on the outer side wall of the inner sleeve, the mounting holes comprise a first mounting hole formed in the inner sleeve and a second mounting hole formed in the outer sleeve, the first mounting hole is communicated with the second mounting hole, the rod pin is arranged in the first mounting hole after passing through the second mounting hole, and the fixing hole is formed in the inner sleeve.

3. The bar pin structure according to claim 2, wherein: the fixing hole is perpendicular to the first mounting hole.

4. The bar pin structure according to claim 2, wherein: the bar pin and the outer sleeve are both made of zirconium oxide or silicon carbide, and the inner sleeve is made of a metal material.

5. The bar pin structure according to claim 1, wherein: the base is provided with two mounting holes and two fixed orificess, two mounting holes with the central symmetry of base sets up, and two fixed orificess set up with two mounting holes one-to-one respectively, have installed the stick round pin in two mounting holes respectively.

6. A rabbling mechanism which characterized in that: the pin structure comprises a rotating shaft, a compression structure and at least two pin structures as claimed in any one of claims 1 to 5, wherein the compression structure is arranged at one end of the rotating shaft, the at least two pin structures are sleeved on the outer wall of the rotating shaft, an isolation sleeve is arranged between every two adjacent pin structures, and the isolation sleeve and the compression structure are both made of non-metal materials.

7. The stirring mechanism of claim 6, wherein: the pressing structure comprises a pressing plate and a sheath, the pressing plate is fixedly connected with the rotating shaft, the sheath is sleeved on the pressing plate, first threads are arranged on the outer side wall of the pressing plate, second threads used for being in threaded connection with the first threads are arranged on the inner side wall of the sheath, and the sheath is matched with a rod pin structure closest to the sheath to wrap the pressing plate;