CN215145304U

CN215145304U - Novel coal mill reamer

Info

Publication number: CN215145304U
Application number: CN202121214704.0U
Authority: CN
Inventors: 英饶
Original assignee: Yulin Jiqian Industry And Trade Co ltd
Current assignee: Yulin Jiqian Industry And Trade Co ltd
Priority date: 2021-06-02
Filing date: 2021-06-02
Publication date: 2021-12-14
Anticipated expiration: 2031-06-02

Abstract

The utility model discloses a novel coal mill reamer, which comprises a rotating shaft, wherein a through groove is formed in the top inside the rotating shaft, an installation rod is arranged at the top of the rotating shaft, four groups of blades A and blades B are respectively and uniformly arranged on the outer side of the installation rod, the top and the bottom of one side, which are close to each other, of the blades A are respectively provided with a dismounting assembly, the top and the bottom of two sides inside the installation rod are respectively provided with a sliding groove, and a bidirectional threaded rod A is arranged inside the installation rod; the utility model discloses a mutual supporting of two-way threaded rod A, round platform shape expansion piece, L type slide bar, spout, stopper, installation pole, spring, connecting rod and blade A can make things convenient for operating personnel to carry out work in the aperture inside of equidimension not, need not operating personnel and changing the reamer of different models to reduce operating personnel work step, and then saved operating personnel operating time, great improvement the practicality that this reamer used.

Description

Novel coal mill reamer

Technical Field

The utility model relates to a coal pulverizer reamer technical field specifically is a novel coal pulverizer reamer.

Background

The reamer is a rotary cutter with one or more cutter teeth and used for cutting off a thin layer of metal on the surface of a machined hole, and the reamer is a rotary finish machining cutter with a straight edge or a spiral edge and used for reaming or repairing the hole;

the prior plate reamer has the following inconveniences in the using process: 1. the existing reamer has a single internal structure, most of the types and sizes of the reamers are inconvenient to fix, and operators need to replace the reamers with different types and sizes when using the reamer, so that the complexity of the device is increased; 2. most of the existing reamers are designed in an integrated structure, and when the reamer body is worn, the whole device needs to be replaced and discarded, so that the use waste of the reamer is increased, and the production cost of a factory is also increased, so that the practicability of the reamer is reduced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a novel coal pulverizer reamer to propose current board reamer in the use among the solution above-mentioned background art, can meet following inconvenient part: 1. the existing reamer has a single internal structure, most of the types and sizes of the reamers are inconvenient to fix, and operators need to replace the reamers with different types and sizes when using the reamer, so that the complexity of the device is increased; 2. most of the existing reamers are designed in an integrated structure, and when the reamer body is worn, the whole device needs to be replaced and discarded, so that the use waste of the reamer is increased, and the production cost of a factory is also increased, so that the practicability problem of the reamer is reduced.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a novel coal pulverizer reamer, includes the pivot, the inside top of pivot is provided with logical groove, the top of pivot is provided with the installation pole, the outside of installation pole evenly is provided with four blade A of group and blade B respectively, four groups blade A all is provided with the dismouting subassembly near the top and the bottom of one side each other, the top and the bottom of the inside both sides of installation pole all are provided with the spout, the inside of installation pole is provided with two-way threaded rod A, and two-way threaded rod A extends to the inside that leads to the groove, two-way threaded rod A's outside symmetry cover is equipped with the frustum shape expansion piece rather than mutually supporting, and is two sets of the both sides that one side was kept away from each other to frustum shape expansion piece all are provided with L type slide bar, and L type slide bar extend to the inside of spout and rather than the mutual adaptation.

Preferably, the disassembling and assembling component comprises an L-shaped inserting rod, a B, U-shaped through groove A, two groups of U-shaped through grooves B, a spring, a limiting block and a connecting rod, the U-shaped through groove B is provided with two groups, the two groups of U-shaped through grooves B are positioned at the top and the bottom of one side, which is close to the four groups of blades A, the top and the bottom of the two groups of U-shaped through grooves B are provided with slots, the inside of the two groups of U-shaped through grooves B is provided with the U-shaped through groove A which is matched with the U-shaped through groove B, the inside of the two groups of U-shaped through groove A is provided with the two-way threaded rod B, the outer sides of the two groups of two-way threaded rods B are symmetrically sleeved with the L-shaped inserting rod which is matched with the U-shaped through groove B, the L-shaped inserting rod extends to the inside of the slot and is matched with the slot, one side, which is far away from the U-shaped through groove B, is provided with the connecting rod, and the connecting rod extends to the inside of the mounting rod, two sets of one side that the U type leads to groove A is kept away from to the connecting rod all is provided with the stopper, and stopper and the mutual adaptation of round platform shape expansion piece, two sets of one side that the stopper is close to the connecting rod all is provided with the spring, and the spring housing establish in the outside of connecting rod and with installation pole interconnect.

Preferably, the top and the bottom of the inner side of the U-shaped through groove A are both provided with bearings, and the bearings are matched with the bidirectional threaded rod B.

Preferably, the inside of round platform shape expansion piece is provided with the screw hole, and screw hole and two-way threaded rod A mutual adaptation.

Preferably, the two-way threaded rod A is provided with anti-skidding lines close to the outer side of the through groove.

Preferably, the limiting block is made of an arc-shaped structure.

Compared with the prior art, the beneficial effects of the utility model are that: the novel coal mill reamer;

1. through the mutual matching of the bidirectional threaded rod A, the truncated cone-shaped expansion block, the L-shaped sliding rod, the sliding chute, the limiting block, the mounting rod, the spring, the connecting rod and the blade A, an operator can conveniently work in the apertures with different sizes, and the operator does not need to replace reamers with different models, so that the working steps of the operator are reduced, the working time of the operator is saved, and the practicability of the reamer is greatly improved;

2. through the mutual cooperation that two-way threaded rod B, L type inserted bar, U type lead to groove A, slot and U type and lead to groove B, can make things convenient for operating personnel quick replacement blade A, need not operating personnel and abandon the change with whole reamer again, and then saved the waste and the processing cost of reamer to the practicality that this reamer used has further been promoted.

Drawings

Fig. 1 is a front sectional view of the present invention;

FIG. 2 is a front view of the present invention;

fig. 3 is a top cross-sectional view of the present invention;

fig. 4 is an enlarged schematic view of the structure at a in fig. 1 according to the present invention;

fig. 5 is an enlarged schematic view of the structure at B of fig. 1 according to the present invention.

In the figure: 1. a rotating shaft; 2. a through groove; 3. a bidirectional threaded rod A; 4. a blade A; 5. mounting a rod; 6. an L-shaped inserted link; 7. a bidirectional threaded rod B; 8. a U-shaped through groove A; 9. a slot; 10. a U-shaped through groove B; 11. a spring; 12. a truncated cone shaped expansion block; 13. a limiting block; 14. a connecting rod; 15. a chute; 16. an L-shaped sliding rod; 17. and (B) a blade.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides an embodiment: the utility model provides a novel coal pulverizer reamer, including

pivot

1, 1 inside top of pivot is provided with logical groove 2, the top of pivot 1 is provided with installation pole 5, the outside of installation pole 5 evenly is provided with four groups blade A4 and blade B17 respectively, four groups blade A4 are close to the top and the bottom of one side each other and all are provided with the dismouting subassembly, the top and the bottom of the inside both sides of installation pole 5 all are provided with spout 15, the inside of installation pole 5 is provided with two-way threaded rod A3, and two-way threaded rod A3 extends to the inside that leads to groove 2, two-way threaded rod A3's outside symmetrical cover is equipped with the frustum shape expansion block 12 rather than mutually supporting, the both sides that one side was kept away from each other to two sets of frustum shape expansion block 12 all are provided with L type slide bar 16, and L type slide bar 16 extends to the inside of spout 15 and rather than mutual adaptation.

Further, the dismounting assembly comprises an L-shaped inserted link 6, a two-way threaded rod B7, two groups of U-shaped through grooves A8, a slot 9, a U-shaped through groove B10, a spring 11, a limit block 13 and a connecting rod 14, wherein two groups of U-shaped through grooves B10 are arranged, two groups of U-shaped through grooves B10 are positioned at the top and the bottom of one side, which is close to each other, of the four groups of blades A4, the top and the bottom of the two groups of U-shaped through grooves B10 are both provided with the slot 9, the inside of the two groups of U-shaped through grooves B10 is both provided with a U-shaped through groove A8 matched with the two groups of U-shaped through grooves A8 is both provided with a two-way threaded rod B7, the outer sides of the two groups of two-way threaded rods B7 are both symmetrically sleeved with the L-shaped inserted link 6 matched with the two groups of U-shaped through grooves B10, the L-shaped inserted link 6 extends to the inside of the slot 9 and is matched with the slot, one side, the two groups of U-shaped through groove A8 is both provided with the limit block 14, and one side, which is far away from the U-shaped through groove A10, and the limiting blocks 13 are matched with the circular truncated cone-shaped expansion blocks 12, the springs 11 are arranged on one sides of the two groups of limiting blocks 13 close to the connecting rod 14, and the springs 11 are sleeved on the outer side of the connecting rod 14 and are connected with the mounting rod 5, so that the blade A4 is convenient to replace, and waste is reduced.

Further, the top and the bottom of U type logical groove A8 inboard all are provided with the bearing, and bearing and two-way threaded rod B7 looks mutual adaptation, are convenient for rotate.

Furthermore, the inside of the truncated cone-shaped expansion block 12 is provided with a threaded hole, and the threaded hole is matched with the bidirectional threaded rod A3, so that the bidirectional threaded rod A3 can rotate to fix the truncated cone-shaped expansion block 12 conveniently.

Furthermore, the two-way threaded rod A3 is provided with anti-skidding lines near the outside of through groove 2, prevents that two-way threaded rod A3 from sliding when rotating.

Furthermore, the limiting block 13 is made of an arc-shaped structure, so that the circular truncated cone-shaped expansion block 12 can be attached conveniently.

The working principle is as follows: when the reamer is used, an operator can firstly rotate the two-way threaded rod A3, then the two-way threaded rod A3 drives the truncated cone-shaped expansion block 12 to mutually slide and approach on the outer side of the truncated cone-shaped expansion block, the L-shaped slide rod 16 can be driven to slide in the sliding groove 15 by the sliding of the truncated cone-shaped expansion block 12, so that the limiting block 13 can be extruded and expanded in the moving process through the truncated cone-shaped design of the truncated cone-shaped expansion block 12, the limiting block 13 can slide in the mounting rod 5 to compress the spring 11, the limiting block 13 can push the connecting rod 14 and the components above to slide and move away from the outer side of the mounting rod 5, the diameter of the blade A4 can be expanded by the sliding movement of the connecting rod 14, and the reamer can conveniently process apertures with different sizes;

when blade A4 long-term work leads to its surface wear heavier, operating personnel can directly rotate two-way threaded rod B7 and make it rotate in L type inserted bar 6's inside, and then drive L type inserted bar 6 and slide each other in the inside of the logical groove A8 of U type and be close to, thereby make L type inserted bar 6 shift out and remove the fixed to logical groove B10 of U type to the inside of slot 9, then operating personnel directly takes blade A4 again and drives U type logical groove B10 and extract from the outside that logical groove A8 of U type, thereby can make things convenient for operating personnel to change blade A4.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as either a fixed connection or a detachable connection; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Claims

1. The utility model provides a novel coal pulverizer reamer, includes pivot (1), its characterized in that: a through groove (2) is arranged at the top inside the rotating shaft (1), a mounting rod (5) is arranged at the top of the rotating shaft (1), four groups of blades A (4) and blades B (17) are respectively and uniformly arranged on the outer side of the mounting rod (5), the top and the bottom of one side, close to each other, of the four groups of blades A (4) are respectively provided with a dismounting assembly, the top and the bottom of the two sides inside the mounting rod (5) are both provided with a sliding chute (15), a bidirectional threaded rod A (3) is arranged inside the mounting rod (5), the bidirectional threaded rod A (3) extends into the through groove (2), the outer side of the bidirectional threaded rod A (3) is symmetrically sleeved with truncated cone-shaped expansion blocks (12) matched with the bidirectional threaded rod A, two sides of one side, far away from each other, of the two groups of truncated cone-shaped expansion blocks (12) are respectively provided with an L-shaped sliding rod (16), and the L-shaped sliding rod (16) extends to the inside of the sliding chute (15) and is matched with the sliding chute.

2. The novel coal mill reamer of claim 1, wherein: the disassembly and assembly component comprises an L-shaped inserted bar (6), a bidirectional threaded rod B (7), a U-shaped through groove A (8), a slot (9), a U-shaped through groove B (10), a spring (11), a limiting block (13) and a connecting rod (14), wherein the U-shaped through groove B (10) is provided with two groups, the two groups of U-shaped through grooves B (10) are positioned at the top and the bottom of one side of each group of blades A (4), the top and the bottom of the two groups of U-shaped through grooves B (10) are both provided with the slots (9), the two groups of U-shaped through grooves B (10) are both provided with the U-shaped through grooves A (8) which are mutually matched with the U-shaped through grooves B, the two groups of U-shaped through grooves A (8) are both provided with the bidirectional threaded rod B (7), the outer sides of the two groups of the bidirectional threaded rods B (7) are both symmetrically sleeved with the L-shaped inserted bars (6) which are mutually matched with the two groups of U-shaped through grooves B, and the L-shaped inserted bars (6) extend to the inner parts of the slots (9) and are mutually matched with the slots, two sets of the U type leads to groove A (8) and keeps away from one side that the U type leads to groove B (10) and all is provided with connecting rod (14), and connecting rod (14) extend to the inside of installation pole (5), and is two sets of one side that the U type led to groove A (8) is kept away from in connecting rod (14) all is provided with stopper (13), and stopper (13) and round platform shape expansion piece (12) adaptation each other, and is two sets of one side that stopper (13) are close to connecting rod (14) all is provided with spring (11), and spring (11) cover establish in the outside of connecting rod (14) and with installation pole (5) interconnect.

3. The novel coal mill reamer of claim 2, wherein: the top and the bottom of the inner side of the U-shaped through groove A (8) are provided with bearings, and the bearings are matched with the bidirectional threaded rod B (7) mutually.

4. The novel coal mill reamer of claim 1, wherein: the inside of round platform shape expansion block (12) is provided with the screw hole, and screw hole and two-way threaded rod A (3) mutual adaptation.

5. The novel coal mill reamer of claim 1, wherein: and anti-skid grains are arranged on the outer side of the bidirectional threaded rod A (3) close to the through groove (2).

6. The novel coal mill reamer of claim 2, wherein: the limiting block (13) is made of an arc-shaped structure.