CN218423255U

CN218423255U - Cooling mechanism for superfine pulverizer

Info

Publication number: CN218423255U
Application number: CN202222167235.2U
Authority: CN
Inventors: 王晓耕; 郑治义
Original assignee: Kunming Xubang Machinery Co ltd
Current assignee: Kunming Xubang Machinery Co ltd
Priority date: 2022-08-17
Filing date: 2022-08-17
Publication date: 2023-02-03
Anticipated expiration: 2032-08-17

Abstract

The utility model provides a super little rubbing crusher is with cooling body, which comprises a housing, the casing lower part is equipped with spiral case type wind chamber, casing upper portion is equipped with establishes grinding assembly's crushing chamber in it that is linked together with spiral case type wind chamber, the casing top is equipped with the top cap that connects mutually with crushing chamber, grinding assembly is connected with the engine power of locating chassis bottom through the vertical main shaft that passes spiral case type wind chamber center department, be equipped with top cap cooling body in its characterized in that top cap, be equipped with crushing chamber cooling body on the crushing chamber, be equipped with the axle cooling body who connects mutually with the main shaft on the spiral case type wind chamber. The parts which are easy to generate heat inside the whole pulverizer are respectively cooled by the three cooling mechanisms and the external natural air supplement, so that the cooling effect is good, the material properties are prevented from being changed by a high-temperature state, the operating efficiency of the pulverizer is ensured, and the wear rate is reduced.

Description

Cooling mechanism for superfine pulverizer

Technical Field

The utility model relates to a cooling body, especially a super little rubbing crusher is with cooling body belongs to mechanical design and makes technical field.

Background

The ultrafine grinder is ultrafine grinding equipment for realizing dry materials in the forms of air separation, heavy pressure grinding and shearing, and is widely applied to the industries of food, chemical industry, medicine and the like. The materials are impacted and rubbed at high speed by parts such as a beating knife, a gear ring, a grading wheel and the like in the crushing cavity, so that large heat can be generated, and the temperature in the cavity is increased. High temperatures not only cause volatile components in the material to run off, but also, for some special materials, high temperatures can change their chemical composition. In addition, high temperature can also cause reduction of crushing efficiency, uncontrollable crushing particle size, accelerated wear of wearing parts in the crushing cavity and prolonged service life of bearings in a transmission system. There is therefore a need for improvements in the prior art.

Disclosure of Invention

When solving current superfine rubbing crusher operation, the material can produce great heat with grinding part to influence material quality, accelerated equipment wearing and tearing, reduce grinding efficiency scheduling problem, the utility model provides a cooling body for superfine rubbing crusher.

The utility model discloses a following technical scheme accomplishes: a cooling mechanism for an ultramicro pulverizer comprises a housing, wherein a volute air cavity is arranged at the lower part of the housing, a pulverizing cavity communicated with the volute air cavity and internally provided with a grinding component is arranged at the upper part of the housing, a top cover matched with the pulverizing cavity is arranged at the top of the housing, and the grinding component is in power connection with a power machine arranged at the bottom of the housing through a main shaft vertically penetrating through the center of the volute air cavity.

Top cap cooling body is including locating the central discharge gate on the top cap, set up the annular closed cavity of a week around the central discharge gate, the middle part of this annular closed cavity is cylindrical, the top is straight shape, limit portion is oblique ring shape, the bottom is inside convex arc, even and the interval is equipped with the vertical baffle of polylith in the annular closed cavity, establish to totally closed baffle a piece in the vertical baffle of polylith, remaining establish to the semi-closed baffle of establishing the through-hole on it, cooling water inlet and export are located on the top cap, and be located totally closed baffle both sides, wherein: the shape of each vertical partition plate is set to be adaptive to the section shape of the annular closed cavity: inboard vertical, the flat and straight of top, outside slope, bottom side are curved sketch board to separate the annular closed cavity in with the top cap for a plurality of little cavitys through the baffle, and flow after each little cavity one by one after through-hole, cooling water inlet and export on through semi-closed baffle make the cooling water get into, thereby take away the heat of top cap, ensure the cooling effect of top cap, totally closed baffle ensures the cooling water unidirectional flow.

The through holes on every two adjacent semi-closed partition plates are alternately arranged up and down so as to ensure the effective circulation of cooling water.

Crushing chamber cooling body is including setting up the annular groove of a week around crushing chamber lateral wall, top-down is equipped with polylith horizontal annular plywood in the annular groove, be equipped with the through-hole on every horizontal annular plywood, the annular groove overcoat is equipped with the annular side shrouding that matches and connects with it, and annular side shrouding lower part is equipped with the water inlet, upper portion is equipped with the delivery port, and the water inlet, delivery port and annular groove intercommunication, divide annular groove for the little annular groove of multilayer through the horizontal annular plywood of band-pass hole, so that through the annular groove that sets up on crushing chamber lateral wall and advance, delivery port and the horizontal annular plywood of band-pass hole on it, make cooling water get into in the annular groove through the water inlet, get into each little annular groove through the horizontal annular plywood of band-pass hole one by one, flow through the delivery port again, with the heat of taking away crushing chamber wall, avoid crushing intracavity temperature rise and change material shape.

The shaft cooling mechanism comprises an annular sleeve sleeved outside a main shaft sleeve at the center of a volute type air cavity, the annular sleeve and a step-shaped groove on the outer wall of a fixed sleeve arranged outside the main shaft sleeve form an annular cooling water cavity arranged around the main shaft sleeve for a circle, a plurality of partition plates are vertically arranged in the annular cooling water cavity, the plurality of partition plates are uniformly arranged around the annular cooling water cavity at intervals, one of the plurality of partition plates is set as a fully-closed partition plate, the rest partition plates are set as semi-closed partition plates with the height lower than that of the annular cooling water cavity, the annular cooling water cavity is divided into a plurality of small water cavities, a cooling water inlet pipe and a cooling water outlet pipe respectively penetrate through the main shaft sleeve and are communicated with the annular cooling water cavities at two sides of the fully-closed partition plate, so that cooling water enters the annular cooling water cavity through a water inlet and flows for a circle in a unidirectional mode and then is discharged through a water outlet, and enters each small water cavity through the top or the bottom of the semi-closed partition plate in a unidirectional flow process, so as to slow down the water flow speed and improve the cooling effect, and the fully-closed partition plate ensures that the cooling water realizes unidirectional flow.

One of every two adjacent semi-closed partition plates is set as a first semi-closed partition plate with a gap at the top, the other one is set as a second semi-closed partition plate with a gap at the bottom, and the first semi-closed partition plate and the second semi-closed partition plate are alternately arranged in the annular cooling water cavity, so that cooling water can flow in the annular cooling water cavity in a wave manner, and the cooling effect is ensured.

The outer side of each partition plate is vertical, the bottom side of each partition plate is straight, and the inner side of each partition plate is provided with a step side matched with the step-shaped groove on the outer wall of the fixing sleeve.

The upper end and the lower end of the outer part of the main shaft sleeve are respectively connected in the shaft hole of the fixed sleeve in a rotating way through a bearing.

The utility model has the advantages and effects of: by adopting the scheme, the parts which are easy to generate heat inside the whole pulverizer are respectively cooled by the three cooling mechanisms of the accessible and combined with natural air supplement, so that the cooling device has a good cooling effect, avoids the high-temperature state from changing the material properties, ensures the operating efficiency of the pulverizer and reduces the wear rate. Is an ideal cooling mechanism for the superfine pulverizer.

Drawings

FIG. 1 is a cross-sectional view of the present invention;

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

FIG. 3 isbase:Sub>A view A-A of FIG. 1;

FIG. 4 is an enlarged view of portion B of FIG. 1;

FIG. 5 is a partition structure view of the cooling mechanism of the top cover in FIG. 1;

FIG. 6 is a view showing a partition plate of the shaft cooling mechanism of FIG. 1;

fig. 7 is a schematic view of the cooling water circulation of the shaft cooling mechanism of the present invention.

Detailed Description

The present invention will be further described with reference to the accompanying drawings.

The utility model provides a cooling mechanism for superfine pulverizer, which comprises a housing 1, casing 1 lower part is equipped with volute type wind chamber 2, casing 1 upper portion is equipped with the crushing chamber 6 of establishing grinding component in it that communicates with volute type wind chamber 2, casing 1 top is equipped with the top cap 8 that matches and connects with crushing chamber 6, grinding component passes through the main shaft 5 of volute type wind chamber 2 center department vertically and is connected with the power of the engine (not shown in the figure) of locating casing 1 bottom power, be equipped with top cap cooling mechanism in the top cap 8, be equipped with crushing chamber cooling mechanism on crushing chamber 6, be equipped with the axle cooling mechanism that matches and connects with main shaft 5 on volute type wind chamber 2, so that cool off the part that the inside easy heat that produces of whole pulverizer through three kinds of cooling mechanism and combination natural air make-up respectively, good cooling effect has, avoid the high temperature state to change material property, ensure the operating efficiency of pulverizer, reduce the wear rate simultaneously;

top cap cooling body is including locating central discharge gate 11 on top cap 8, set up the annular closed cavity of a week around central discharge gate 11, the middle part of this annular closed cavity is cylindrical, the top is straight shape, limit portion is oblique ring shape, the bottom is inside convex arc, even and the interval is equipped with the vertical baffle 13 of polylith in the annular closed cavity, establish to totally closed baffle 10 in the vertical baffle 13 of polylith, remaining establishing to establish the semi-closed baffle 14 of through-hole 12 above that, cooling water inlet and export 9 are located on top cap 8, and be located totally closed baffle 10 both sides, wherein: the shape of each vertical partition 13 is adapted to the shape of the section of the annular closed cavity: the inner side is vertical, the top is flat, the outer side is inclined, the bottom side is an arc-shaped irregular plate, so that an annular closed cavity in the top cover is divided into a plurality of small cavities through the partition plate 13, cooling water enters the annular closed cavity through the through hole 12, the cooling water inlet and the cooling water outlet 9 in the semi-closed partition plate 14 and flows out of the annular closed cavity one by one through the small cavities, heat of the top cover is taken away, the cooling effect of the top cover is ensured, and the cooling water is ensured to flow in a single direction through the totally-closed partition plate 10; the through holes 12 on every two adjacent semi-closed partition plates 14 are alternately arranged up and down, namely, the upper part of one semi-closed partition plate 14 is provided with the through hole 12, and the lower part of the other semi-closed partition plate 14 is provided with the through hole 12, so that the effective flow of cooling water is ensured;

the crushing cavity cooling mechanism comprises an annular groove 15 which is arranged around the outer side wall of the crushing cavity 6 in a circle, a plurality of horizontal annular laminated plates 16 are arranged in the annular groove 15 from top to bottom, a through hole is formed in each horizontal annular laminated plate 16, an annular side sealing plate 17 matched and connected with the annular groove 15 is sleeved outside the annular groove 15, a water inlet 4 is formed in the lower portion of each annular side sealing plate 17, a water outlet 7 is formed in the upper portion of each annular side sealing plate 17, the water inlet 4 and the water outlet 7 are communicated with the annular groove 15, the annular groove 15 is divided into a plurality of layers of small annular grooves through the horizontal annular laminated plates 16 with the through holes, so that cooling water is sent into the annular grooves 15 through the water inlet 4, the water outlet 4 and the horizontal annular laminated plates 16 with the through holes, flows out through the water outlet 7 to take away heat of the wall of the crushing cavity 6, and the change of the shape of materials due to temperature rise in the crushing cavity 6 is avoided;

the shaft cooling mechanism comprises an annular sleeve 20 sleeved outside a shaft sleeve 25 of a main shaft 5 at the center of a volute type air cavity 2, the annular sleeve 20 and a step-shaped groove 19 arranged on the outer wall of a fixing sleeve 3 outside the shaft sleeve 25 of the main shaft 5 form an annular cooling water cavity 18 arranged around the shaft sleeve 25 of the main shaft 5 in a circle, a plurality of partition plates 21 are vertically arranged in the annular cooling water cavity 18, the plurality of partition plates 21 are uniformly arranged around the annular cooling water cavity 18 at intervals, one of the plurality of partition plates 21 is set as a totally-closed partition plate 23, and the rest partition plates are set as semi-closed partition plates 22 with the height lower than that of the annular cooling water cavity 18, so that the annular cooling water cavity 18 is divided into a plurality of small water cavities, a cooling water inlet pipe and a cooling water outlet pipe 24 respectively penetrate through the shaft sleeve 25 of the main shaft 5 and are communicated with the annular cooling water cavities 18 at two sides of the totally-closed partition plate 23, so that cooling water enters the annular cooling water cavity 18 through a water inlet to flow in a circle in a unidirectional mode and then is discharged through a water outlet, and enters each small water cavity through the top or bottom of the semi-closed partition plate 22 in a unidirectional flow process, so as to slow down the speed and improve the cooling effect, and the unidirectional partition plates ensure that the unidirectional flow of the unidirectional flow is realized in a unidirectional flow;

one of every two adjacent semi-closed partition plates 22 is set as a first semi-closed partition plate 221 with a gap at the top, the other is set as a second semi-closed partition plate 222 with a gap at the bottom, and the first and second

semi-closed partition plates

221 and 222 are alternately arranged in the annular cooling water cavity 18, so that cooling water can flow in a wave manner in the annular cooling water cavity 18, and the cooling effect is ensured;

The upper end and the lower end of the outer part of the shaft sleeve 25 of the main shaft 5 are respectively connected in the shaft hole of the fixed sleeve 3 in a rotating way through bearings.

Claims

1. A cooling mechanism for an ultramicro pulverizer comprises a housing, wherein a volute air cavity is arranged at the lower part of the housing, a pulverizing cavity communicated with the volute air cavity and internally provided with a grinding component is arranged at the upper part of the housing, a top cover matched and connected with the pulverizing cavity is arranged at the top of the housing, and the grinding component is in power connection with a power machine arranged at the bottom of the housing through a main shaft vertically penetrating through the center of the volute air cavity.

2. The cooling mechanism of claim 1, wherein the top cover cooling mechanism comprises a central discharge hole formed on the top cover, an annular closed cavity surrounding the central discharge hole and having a circular periphery, the middle portion of the annular closed cavity being cylindrical, the top portion being flat and straight, the edge portion being in the shape of an inclined circular ring, the bottom portion being in the shape of an inwardly convex circular arc, a plurality of vertical partition plates being uniformly and alternately disposed in the annular closed cavity, one of the vertical partition plates being a fully closed partition plate, the rest being semi-closed partition plates having through holes formed therein, and a cooling water inlet and outlet being formed on the top cover and located on both sides of the fully closed partition plate, wherein: the shape of each vertical partition plate is set to be adaptive to the section shape of the annular closed cavity: the inner side is vertical, the top is flat, the outer side is inclined, and the bottom side is an arc-shaped special-shaped plate.

3. The cooling mechanism for micronizers of claim 2 wherein the through holes of two adjacent semi-closed partitions are arranged alternately up and down.

4. The cooling mechanism of claim 1, wherein the cooling mechanism comprises a circular groove surrounding the outer wall of the pulverizing chamber, a plurality of horizontal circular plates are disposed in the circular groove from top to bottom, each horizontal circular plate has a through hole, a circular side sealing plate is sleeved outside the circular groove and is matched with the circular groove, a water inlet is disposed at the lower part of the circular side sealing plate, a water outlet is disposed at the upper part of the circular side sealing plate, the water inlet and the water outlet are communicated with the circular groove, and the circular groove is divided into a plurality of small circular grooves by the horizontal circular plates with through holes.

5. The cooling mechanism of claim 1, wherein the shaft cooling mechanism includes a ring-shaped sleeve disposed outside the main shaft sleeve at the center of the volute-shaped air chamber, the ring-shaped sleeve and a stepped groove formed on the outer wall of the fixed sleeve disposed outside the main shaft sleeve form a ring-shaped cooling water chamber disposed around the main shaft sleeve, a plurality of partition plates are vertically disposed in the ring-shaped cooling water chamber, the plurality of partition plates are uniformly and alternately disposed around the ring-shaped cooling water chamber, one of the plurality of partition plates is a fully-enclosed partition plate, and the rest of the plurality of partition plates are semi-enclosed partition plates having a height lower than that of the ring-shaped cooling water chamber, so that the ring-shaped cooling water chamber is divided into a plurality of small water chambers, and the cooling water inlet pipe and the water outlet pipe are respectively communicated with the ring-shaped cooling water chambers disposed at both sides of the fully-enclosed partition plates through the main shaft sleeve.

6. The cooling mechanism for a subminiature mill according to claim 5, wherein one of said semi-closed partitions of each adjacent pair is a first semi-closed partition having a gap at the top, the other is a second semi-closed partition having a gap at the bottom, and the first and second semi-closed partitions are alternately disposed in the annular cooling water chamber.

7. The cooling mechanism of claim 5, wherein each of the partition plates has an outer vertical side, a bottom flat side, and an inner side which is formed as a stepped side corresponding to the stepped recess formed in the outer wall of the retainer housing.