CN211612940U

CN211612940U - Rotation axis cooling structure and sand mill

Info

Publication number: CN211612940U
Application number: CN201921590152.6U
Authority: CN
Inventors: 李源林
Original assignee: Husong Intelligent Equipment Taicang Co ltd
Current assignee: Husong Intelligent Equipment Taicang Co ltd
Priority date: 2019-09-24
Filing date: 2019-09-24
Publication date: 2020-10-02
Anticipated expiration: 2029-09-24

Abstract

The utility model discloses a rotation axis cooling structure relates to a cooling structure, and it includes: the main cylinder body is internally provided with a plurality of liquid inlet flow passages and liquid return flow passages which are arranged at intervals; the end surface of the left end cover is provided with an end cover liquid inlet hole and an end cover liquid return hole which are communicated with the liquid inlet ring and the liquid return ring; the right-hand member lid has been seted up a plurality of on it and has been interrupted the annular for adjacent feed liquor runner forms the return circuit with the return liquid runner, the beneficial effects of the utility model are that: through the whole cooling medium flow channel formed by the central hole, the liquid inlet ring, the liquid inlet flow channel, the discontinuous ring groove, the liquid return flow channel, the liquid return ring and the liquid return hole of the end cover, the heat of the main cylinder body and the inner rotating shaft of the main cylinder body can be effectively taken away, and the rotating shaft is efficiently cooled.

Description

Rotation axis cooling structure and sand mill

Technical Field

The utility model relates to a cooling structure specifically is a rotation axis cooling structure and sand mill.

Background

The sand mill is used for stirring different viscosity liquids more, drives the inside grinding medium of equipment and the collision contact of liquid through motor drive, realizes grinding the function. The sand mill is widely applied to the industrial fields of paint, coating, ore, metal powder, lithium battery and the like and the industries of medicine and food. The sand mills are classified according to their layout structures and mainly include horizontal, vertical and basket mills. The equipment mainly comprises a frame, a driving motor, a grinding cylinder, a rotating shaft, a bearing seat and a feeding and discharging device.

The influence of heat that traditional sand mill produced for effectively reducing the grinding in-process to product and equipment can design grinding cylinder into interior overcoat form usually, lets in the intermediate layer of grinding cylinder internal coat with cooling water in, and realizes the purpose of cooling. However, in the grinding process, the grinding cylinder body belongs to the standing unit, and the rotating shaft serving as a power source can effectively take away heat in the grinding process if a cooling medium is introduced, so that the purpose of protecting equipment and products is achieved.

Based on this, this application has proposed a rotation axis cooling structure and sand mill.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a rotation axis cooling structure and sand mill to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a rotating shaft cooling structure comprising:

the main cylinder body is internally provided with a plurality of liquid inlet flow passages and liquid return flow passages which are arranged at intervals;

the end surface of the left end cover is provided with an end cover liquid inlet hole and an end cover liquid return hole which are communicated with the liquid inlet ring and the liquid return ring;

and the right end cover is provided with a plurality of discontinuous ring grooves, so that adjacent liquid inlet flow channels and liquid return flow channels form a loop.

As a further aspect of the present invention: the liquid feeding device is characterized by further comprising an inner sleeve shaft, the inner sleeve shaft is installed inside the outer sleeve shaft through threads, a gap is reserved between the outer sleeve shaft and the inner sleeve shaft, the outer sleeve shaft is connected with the left end cover, a central hole used for conveying media is formed in the inner sleeve shaft, a plurality of liquid feeding holes and liquid returning holes are formed in the outer circumference of the outer sleeve shaft, and the liquid feeding holes are communicated with the central hole and the liquid feeding ring.

As a further aspect of the present invention: the liquid inlet hole and the liquid return hole are arranged on different circumferential surfaces.

As a further aspect of the present invention: the main cylinder body is provided with a plurality of pin rods.

As a further aspect of the present invention: and sealing parts are arranged at the matching parts of the main cylinder body, the left end cover, the right end cover, the outer sleeve shaft and the inner sleeve shaft to form static sealing.

A sand mill includes the rotating shaft cooling structure as described above.

Compared with the prior art, the beneficial effects of the utility model are that: through the whole cooling medium flow channel formed by the central hole, the liquid inlet ring, the liquid inlet flow channel, the discontinuous ring groove, the liquid return flow channel, the liquid return ring and the liquid return hole of the end cover, the heat of the main cylinder body and the inner rotating shaft of the main cylinder body can be effectively taken away, and the rotating shaft is efficiently cooled.

Drawings

Fig. 1 is an exploded view of a cooling structure of a rotating shaft.

Fig. 2 is a schematic structural view of a cooling structure of a rotating shaft.

Fig. 3 is a schematic structural view of a left end cover in a rotary shaft cooling structure.

Fig. 4 is a schematic structural view of an outer sleeve shaft in a rotating shaft cooling structure.

Fig. 5 is a front view of an outer sleeve shaft in a cooling structure of a rotating shaft.

Fig. 6 is a sectional view taken along line a-a of fig. 5.

Fig. 7 is a schematic structural view of a right end cover in a rotary shaft cooling structure.

In the figure: 1-main cylinder, 101-liquid inlet channel, 102-liquid return channel, 103-pin rod, 2-left end cover, 201-liquid inlet ring, 202-liquid return ring, 203-end cover liquid inlet hole, 204-end cover liquid return hole, 3-right end cover, 301-discontinuous ring groove, 4-outer sleeve shaft, 401-liquid inlet hole, 402-liquid return hole, 5-inner sleeve shaft and 501-central hole.

Detailed Description

Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The implementations described in the exemplary embodiments below are not intended to represent all implementations consistent with the present disclosure. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the present disclosure, as detailed in the appended claims.

Example 1

Please refer to fig. 1-7, in the embodiment of the present invention, a rotating shaft cooling structure, including main cylinder 1, left end cover 2, right end cover 3, outer sleeve 4 and inner sleeve 5, the opening at both ends of main cylinder 1 is fixed with left end cover 2 and right end cover 3 respectively, preferably, left end cover 2 and right end cover 3 pass through the bolt fastening on main cylinder 1, and be equipped with static seal between the two, in order to prevent the leakage of cooling medium, feed liquor runner 101 and liquid return runner 102 of having seted up a plurality of interval arrangements in main cylinder 1, the quantity of feed liquor runner 101 and liquid return runner 102 is 4 ~ 12 respectively, use 4 in the drawing of this specification as an example, quantity is confirmed according to the model size of equipment and the material property of handling the product, the state of generating heat of grinding etc., the aperture of feed liquor runner 101 and liquid return runner 102 is 2 ~ 15 mm.

In practical application, a cooling medium flows in from the liquid inlet flow channel 101 and flows out from the liquid return flow channel 102 to take away heat of the main cylinder body 1, and meanwhile, a plurality of pin rods 103 are arranged on the main cylinder body 1, so that the pin rods 103 not only can realize the function of stirring the grinding medium, but also can increase the heat exchange area and realize the replacement cooling effect;

the inner sleeve shaft 5 is internally provided with a central hole 501 for receiving cooling media (water, oil and the like) pumped from the outside, the outer sleeve shaft 4 is sleeved outside the inner sleeve shaft 5 and is in static seal connection with the inner sleeve shaft 5 through threads, a gap exists between the inner sleeve shaft 5 and the outer sleeve shaft 4, the outer circumference of the outer sleeve shaft 4 is provided with a plurality of liquid inlet holes 401 and liquid return holes 402, wherein the liquid inlet holes 401 and the liquid return holes 402 are positioned on different circumferential surfaces, the liquid inlet holes 401 are communicated with the central hole 501 and the liquid inlet ring 201 to ensure that the liquid inlet and liquid return processes do not interfere, the outer sleeve shaft 4 is connected with the left end cover 2, in addition, the left end cover 2 is internally provided with a liquid inlet ring 201 and a liquid return ring 202, wherein the liquid inlet ring 201 and the liquid return ring 202 are respectively opposite to the liquid inlet holes 401 and the liquid return holes 402, so that the cooling media input by the liquid inlet holes 401 can enter the liquid inlet ring 201, and the cooling media output by the liquid return ring 202, here, an end cover liquid inlet hole 203 and an end cover liquid return hole 204 which are respectively communicated with the liquid inlet ring 201 and the liquid return ring 202 are formed in the end surface of the left end cover 2;

the right end cover 3 is provided with a plurality of intermittent ring grooves 301, so that the adjacent liquid inlet flow channel 101 and the liquid return flow channel 102 form a loop, for example, after the cooling medium flows into the intermittent ring grooves 301 from the liquid inlet flow channel 101, the cooling medium is stored in the intermittent ring grooves 301, and then flows back from the liquid return flow channel 102, so as to realize the circulating motion of the cooling medium.

In practical application, a cooling medium is pumped into the inner sleeve shaft 5, enters the outer sleeve shaft 4 through the central hole 501, flows into the liquid inlet ring 201 opposite to the liquid inlet ring from the liquid inlet hole 401 formed in the outer sleeve shaft 4, finally enters the liquid inlet flow channel 101 from the liquid inlet ring 201, then takes away heat of the main cylinder 1, enters the discontinuous ring groove 301, enters the liquid return flow channel 102, enters the liquid return ring 202 of the left end cover 2 from the liquid return flow channel 102, enters the outer sleeve shaft 4 from the liquid return hole 204 of the end cover, and finally enters the gap between the outer sleeve shaft 4 and the inner sleeve shaft 5 through the liquid return hole 402 to flow out, so that circulation of the cooling medium is formed.

Example 2

In an embodiment of the present invention, a sand mill includes a rotating shaft cooling structure as described in the above embodiments, and thus it also has excellent heat dissipation capability to the rotating shaft.

It should be particularly noted that, in this technical solution, the whole cooling medium flow channel formed by the central hole 501, the liquid inlet hole 401, the liquid inlet ring 201, the liquid inlet flow channel 101, the interrupted ring groove 301, the liquid return flow channel 102, the liquid return ring 202, and the end cover liquid return hole 204 can effectively take away heat of the main cylinder 1 and the inner rotating shaft thereof, and perform efficient cooling on the rotating shaft.

In addition, because the sealing performance among all the parts needs to be ensured when the cooling medium is conveyed, sealing elements (such as O-shaped sealing rings) are arranged at the matching positions of the main cylinder body 1, the left end cover 2, the right end cover 3, the outer sleeve shaft 4 and the inner sleeve shaft 5 so as to form static sealing at the matching positions and prevent leakage.

Other embodiments of the disclosure will be apparent to those skilled in the art from consideration of the specification and practice of the disclosure herein. This application is intended to cover any variations, uses, or adaptations of the disclosure following, in general, the principles of the disclosure and including such departures from the present disclosure as come within known or customary practice within the art to which the disclosure pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the disclosure being indicated by the following claims.

It will be understood that the present disclosure is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The scope of the present disclosure is limited only by the appended claims.

Claims

1. A rotating shaft cooling structure, comprising:

the device comprises a main cylinder body (1), wherein a left end cover (2) and a right end cover (3) are respectively fixed at openings at two ends of the main cylinder body (1), and a plurality of liquid inlet flow channels (101) and liquid return flow channels (102) which are arranged at intervals are formed in the main cylinder body (1);

the liquid level detection device comprises a left end cover (2), wherein a liquid inlet ring (201) and a liquid return ring (202) are arranged in the left end cover (2), and an end cover liquid inlet hole (203) and an end cover liquid return hole (204) which are communicated with the liquid inlet ring (201) and the liquid return ring (202) are formed in the end face of the left end cover (2);

the right end cover (3) is provided with a plurality of discontinuous ring grooves (301) so that the adjacent liquid inlet flow channel (101) and the liquid return flow channel (102) form a loop.

2. The rotating shaft cooling structure according to claim 1, further comprising an inner sleeve shaft (5) which is installed inside the outer sleeve shaft (4) through a screw thread, a gap is reserved between the inner sleeve shaft and the outer sleeve shaft (4), the outer sleeve shaft (4) is connected with the left end cover (2), a central hole (501) for conveying a medium is formed in the inner sleeve shaft (5), a plurality of liquid inlet holes (401) and liquid return holes (402) are formed in the outer circumference of the outer sleeve shaft (4), and the liquid inlet holes (401) are communicated with the central hole (501) and the liquid inlet ring (201).

3. A rotary shaft cooling structure as claimed in claim 2, wherein said liquid inlet hole (401) and said liquid return hole (402) are located at different circumferential surfaces.

4. A rotary shaft cooling structure as claimed in claim 1, wherein a plurality of pins (103) are provided on said main cylinder (1).

5. A rotary shaft cooling structure as claimed in claim 2, 3 or 4, wherein the mating parts of the main cylinder (1), the left end cap (2), the right end cap (3), the outer sleeve shaft (4) and the inner sleeve shaft (5) are provided with sealing members to form static seals.

6. A sand mill comprising the rotary shaft cooling structure according to any one of claims 1 to 5.