CN211194234U

CN211194234U - Cooling mechanism for multi-blade saw

Info

Publication number: CN211194234U
Application number: CN201921443365.6U
Authority: CN
Inventors: 张艳忠; 覃桂兄; 黄正辉
Original assignee: Foshan Jinshi Household Products Co ltd
Current assignee: Foshan Jinshi Household Products Co ltd
Priority date: 2019-08-30
Filing date: 2019-08-30
Publication date: 2020-08-07
Anticipated expiration: 2029-08-30

Abstract

The utility model provides a multislice saw cooling body, including pivot and the saw bit that is connected with it, its characteristics are the pivot is built-in to be equipped with the cavity, the saw bit be equipped with the cooling channel that the cavity link up mutually, the one end of pivot is still connected and is equipped with and is suitable for coolant liquid or cooling air to pour into the fixed guide holder of cavity, the pivot winds under the external drive effect fixed guide holder free rotation. This technical scheme can effectively reduce the saw bit temperature, protects the saw bit.

Description

Cooling mechanism for multi-blade saw

Technical Field

The utility model relates to a multi-blade saw cooling mechanism belongs to wood working technical field.

Background

As is known, in the wood processing process, when a machine cuts wood, a large amount of heat is generated, the phenomenon of saw blade embrittlement, deformation, burning and breaking occurs due to the over-high temperature of the saw blade, the working efficiency is influenced, the production cost is increased, and the hidden danger of fire hazard that the wood is buried can be ignited in serious cases.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a can effectively reduce the saw bit temperature, protect the multi-disc saw cooling body of saw bit.

The utility model provides a pair of multi-disc saw cooling body, including pivot and the saw bit that is connected with it, wherein the pivot is built-in to be equipped with the cavity, the saw bit be equipped with the cooling channel that the cavity link up mutually, the one end of pivot is still connected and is equipped with and is suitable for coolant liquid or cooling air to pour into the fixed guide holder of cavity, the pivot winds under the external drive effect fixed guide holder free rotation.

Furthermore, a conical cavity is arranged in the fixed guide seat, a frustum is arranged at one end of the rotating shaft and is inserted into the conical cavity to form conical surface fit, and the fixed guide seat is further provided with a guide-in channel communicated with the cavity of the rotating shaft.

Furthermore, a guide pipe is inserted into the guide channel, penetrates through the guide channel, is inserted into the cavity of the rotating shaft, and is rotatably connected with the inner wall of the cavity of the rotating shaft.

Furthermore, a first rolling bearing is arranged at the rotating matching position of the outer wall of the guide-in pipe and the inner wall of the cavity of the rotating shaft.

Furthermore, the inlet section of the conical cavity is also connected with a connecting section which extends outwards and horizontally, and a second rolling bearing which is suitable for being in running fit with the rotating shaft is arranged at the connecting section.

Furthermore, a fixing sleeve suitable for preventing the rotating shaft from separating from the fixing guide seat is arranged on the outer side of the second rolling bearing.

Furthermore, the rotating shaft also comprises an external clamping seat, and the clamping seat is provided with a first channel communicated with the internal cavity;

the saw blade comprises a base body and a cutter head which are connected with each other, the base body is provided with a clamping groove corresponding to the external clamping seat and is clamped and fixed with the external clamping seat, a second channel communicated with the first channel is arranged in the base body, the outlet end of the second channel corresponds to the cutter head, and the saw blade is suitable for cooling liquid or cooling air to be sprayed to the cutter head.

Compared with the prior art, the utility model discloses many blade saws cooling body's beneficial effect is: this technical scheme is through pivot and the free running fit of fixed guide holder, realizes the pivot freely leading-in of coolant liquid or cooling air at the rotary motion in-process, and leading-in coolant liquid or cooling air get into the pivot air to get into the inside cooling channel of saw bit under high-pressure effect, realize saw bit temperature cooling.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1: the utility model has a schematic structure;

FIG. 2: the utility model discloses the enlarged schematic diagram of part structure.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. 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.

As shown in fig. 1 and 2, a cooling mechanism for cooling a multi-blade saw comprises a rotating shaft 100 and a saw blade 200 connected to the rotating shaft 100, wherein a cavity 10 is disposed in the rotating shaft 100, the saw blade 200 is provided with a cooling channel 20 communicated with the cavity 10, one end of the rotating shaft 100 is further connected to a fixed guide base 300 adapted to be filled with a cooling liquid or cooling air into the cavity 10, and the rotating shaft 100 freely rotates around the fixed guide base 300 under the driving action of an external force.

The fixed guide base 300 is internally provided with a conical cavity 30, one end of the rotating shaft 100 is provided with a frustum 11, the frustum 11 is inserted into the conical cavity 30 to form conical surface fit, and the fixed guide base 300 is further provided with a guide-in channel 31 communicated with the cavity 10 of the rotating shaft 100.

The leading-in channel 31 is also provided with a leading-in pipe 400 in an inserted manner, and the leading-in pipe 400 passes through the leading-in channel 31, is inserted into the cavity 10 of the rotating shaft 100, and is rotatably connected with the inner wall of the cavity 10 of the rotating shaft 100.

A first rolling bearing 400 is arranged at the rotating matching position of the outer wall of the guide pipe 400 and the inner wall of the cavity 10 of the rotating shaft 100.

The inlet section of the conical cavity 30 is further connected with a connecting section 32 extending horizontally outwards, and a second rolling bearing 500 suitable for being in running fit with the rotating shaft 100 is arranged at the connecting section 32.

The outer side of the second rolling bearing 500 is provided with a fixing sleeve 600 adapted to prevent the rotation shaft 100 from being separated from the fixing guide 300.

The rotating shaft 100 further comprises an external clamping seat 12, and the clamping seat 12 is provided with a first channel 20a communicated with the internal cavity 10;

the saw blade 200 comprises a base body and a cutter head which are connected with each other, the base body is provided with a clamping groove corresponding to the external clamping seat 12 and is clamped and fixed with the external clamping seat 12, a second channel 20b communicated with the first channel 20a is arranged in the base body, the outlet end of the second channel 20b corresponds to the cutter head, and the saw blade is suitable for spraying cooling liquid or cooling air to the cutter head.

Compared with the prior art, the cooling device has the advantages that the rotating shaft is matched with the fixed guide seat in a free rotation mode, the rotating shaft can freely guide cooling liquid or cooling air in the rotating motion process, the guided cooling liquid or cooling air enters the rotating shaft air and enters the cooling channel inside the saw blade under the action of high pressure, and the temperature of the saw blade is cooled.

In addition, an auxiliary channel 13 communicated with the cavity 10 is further arranged between the adjacent saw blades 200, and an extension line of a central axis of the auxiliary channel 13 intersects with the saw blades 200.

The auxiliary channels 13 are wide inside and narrow outside, and are distributed on the left and right sides of the saw blade 200 one by one.

Specifically, the extension line of the central axis of the auxiliary channel 13 intersects with the disk surface of the saw blade 200, and is suitable for spraying cooling liquid or cooling air on the left and right circular disk surfaces of the saw blade 200.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the embodiments of the present invention.

Claims

1. The utility model provides a multiple blade saw cooling mechanism that cools down, includes pivot and the saw bit that is connected with it, its characterized in that: the saw blade is characterized in that a cavity is arranged in the rotating shaft, the saw blade is provided with a cooling channel communicated with the cavity, one end of the rotating shaft is further connected with a fixed guide seat suitable for cooling liquid or cooling air to be poured into the cavity, and the rotating shaft freely rotates around the fixed guide seat under the action of external force driving.

2. The multi-blade saw cooling mechanism of claim 1, wherein: the fixed guide seat is internally provided with a conical cavity, one end of the rotating shaft is provided with a frustum, the frustum is inserted into the conical cavity to form conical surface fit, and the fixed guide seat is also provided with a guide-in channel communicated with the cavity of the rotating shaft.

3. The multi-blade saw cooling mechanism of claim 2, wherein: the guiding channel is internally provided with a guiding pipe in an inserting connection mode, the guiding pipe penetrates through the guiding channel to be inserted into the cavity of the rotating shaft, and the guiding pipe is rotatably connected with the inner wall of the cavity of the rotating shaft.

4. The multi-blade saw cooling mechanism of claim 3, wherein: and a first rolling bearing is arranged at the rotating matching position of the outer wall of the guide-in pipe and the inner wall of the cavity of the rotating shaft.

5. The multi-blade saw cooling mechanism of any one of claims 2 to 4, wherein: the inlet section of the conical cavity is also connected with a connecting section which extends outwards and horizontally, and a second rolling bearing which is suitable for being matched with the rotating shaft in a rotating mode is arranged at the connecting section.

6. The multi-blade saw cooling mechanism of claim 5, wherein: and a fixing sleeve suitable for preventing the rotating shaft from being separated from the fixing guide seat is arranged on the outer side of the second rolling bearing.

7. The multi-blade saw cooling mechanism of any one of claims 1 to 4, wherein:

the rotating shaft also comprises an external clamping seat, and the clamping seat is provided with a first channel communicated with the internal cavity;