CN217196329U

CN217196329U - Cooling device of open mill

Info

Publication number: CN217196329U
Application number: CN202221042632.0U
Authority: CN
Inventors: 吴鸿; 彭绍锋; 黄秀花; 朱吉洪
Original assignee: Fujian Yonghong High And New Material Co ltd
Current assignee: Fujian Yonghong High And New Material Co ltd
Priority date: 2022-05-05
Filing date: 2022-05-05
Publication date: 2022-08-16
Anticipated expiration: 2032-05-05

Abstract

The utility model discloses a cooling device of mill, including mill main part and cooling body, the mill main part includes two sets of rollers, roller both ends swing joint has inside hollow positioning seat, roller internally mounted has the interior barrel that the through-hole was evenly seted up to the lateral wall, interior barrel one end is connected with the inlet tube, install the scraper blade inside slidable of interior barrel, the scraper blade side is connected with the cylinder, cooling body includes the water tank, the delivery port of water tank passes through outlet pipe and two pipe connection, the opening correspondence of pipe stretches into in the inlet tube. The utility model has the advantages of being scientific and reasonable in structural design, reduced the waste at water source, can cool down to the roller fast, through including the inside scraper blade that sets up of barrel to strike off the incrustation scale that will interior barrel inner wall produced under its effect, reached and to carry out the purpose of effectively clearing up to the internal barrel inner chamber under the condition of not dismantling the roller.

Description

Cooling device of open mill

Technical Field

The utility model relates to an open mill technical field specifically is a cooling device of open mill.

Background

The open mill is a short name of an open type plastic mixer, and is a two-roller mill in plastic product factories, the open mill is a plastic mixing device which is earlier applied in the plastic product factories, and on a calender production line, the open mill is arranged in front of a calender and behind a mixer and is used for mixing and plasticizing uniformly mixed raw materials and providing uniformly mixed and mixed molten materials for calendering and molding plastic products by the calender. When the rubber material is extruded by the front and rear rollers in a rotating manner, the temperature of the rollers can be increased, and the rollers need to be cooled when the open rubber mixing mill works according to the rubber mixing process requirement; the mode that carries out the cooling to the mill among the prior art generally all adopts the water cooling mode, need continuously change a large amount of cooling water, leads to the waste of water resource to rivers flow for a long time and make the inside incrustation scale of appearing of device easily and lead to water flow rate to reduce, seriously influence the mill and correspond cooling efficiency. To this end, we propose a cooling device for an open mill.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a cooling device of 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: the utility model provides a cooling device of mill, includes mill main part and cooling body, the mill main part includes two sets of rollers, roller both ends swing joint has inside hollow positioning seat, roller internally mounted has the interior barrel that the through-hole was evenly seted up to the lateral wall, interior barrel one end is connected with the inlet tube, the scraper blade is installed to the inside slidable of interior barrel, the scraper blade side is connected with the cylinder, cooling body includes the water tank, the delivery port of water tank passes through outlet pipe and two pipe connection, the opening correspondence of pipe stretches into in the inlet tube.

Preferably, the positioning seat is installed on the frame, the other end of the roller is connected with a gear through a rotating shaft, the two gears are meshed, and one gear is connected with the motor through a connecting shaft.

Preferably, a water outlet at the bottom of the positioning seat is connected with the filter box through a drain pipe.

Preferably, the filter box is communicated with the inner cavity of the water tank through a pipeline.

Compared with the prior art, the beneficial effects of the utility model are that: the cooling device of the open mill has simple and reasonable structural design and stronger practicability, a water source in a water tank is sent into a water inlet pipe through the water outlet pipe and the guide pipe, cooling water enters the roller through the through hole on the surface of the inner barrel under the action of centrifugal force, so that the roller can be cooled at the same time, the cooling efficiency is improved, the whole roller is not required to be filled with water to reduce the temperature, the waste of the water source is reduced, the roller can be quickly cooled, the scraper blade is arranged in the inner barrel and driven by the air cylinder, the scraper blade can be automatically driven to move back and forth, so that scale generated on the inner wall of the inner barrel is scraped under the action of the scraper blade, the aim of effectively cleaning the inner cavity of the inner barrel under the condition of not disassembling the roller is fulfilled, and the possibility of blocking of the through hole caused by scale in the inner barrel due to the scale generation of cooling liquid is reduced, avoid influencing the radiating effect of roller, realized the purpose of clearing up the internal barrel inner chamber fast.

Drawings

Fig. 1 is a schematic structural view of the present invention.

Figure 2 is the internal structure schematic diagram of the roller of the utility model.

In the figure: 1 frame, 11 rollers, 12 positioning seats, 13 inner cylinder bodies, 14 through holes, 15 water inlet pipes, 16 rotating shafts, 17 scraping plates, 18 air cylinders, 19 gears, 2 connecting shafts, 21 motors, 22 guide pipes, 23 water outlet pipes, 24 water tanks, 25 water outlet pipes and 26 filter boxes.

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. 1-2, the present invention provides a technical solution: the utility model provides a cooling device of mill, including mill main part and cooling body, the mill main part includes two sets of

rollers

11, 11 both ends swing joint of roller has inside hollow positioning seat 12, roller 11 and positioning seat 12 swing joint, positioning seat 12 is installed in frame 1, the roller 11 other end is through pivot 16 connecting gear 19, two gear 19 meshes, one of them gear 19 passes through connecting axle 2 and connects motor 21, motor 21 is the motor that just reverses, and it passes through wire external power supply and control switch, the gear 19 that the during operation passes through motor 21 drive connecting axle 2 and is connected with it rotates, two gear 19 rotate in opposite directions, thereby drive two sets of roller 11 and rotate in opposite directions and process the material.

An inner cylinder body 13 with through holes 14 uniformly arranged on the side wall is arranged in the roller 11, the end part of the inner cylinder body 13 is fixed in the roller 11, one end of the inner cylinder body 13 is connected with a water inlet pipe 15, a scraper 17 is arranged in the inner cylinder body 13 in a sliding way, the outer edge of the scraper 17 is in contact connection with the inner wall of the inner cylinder body 13, the side surface of the scraper 17 is connected with a cylinder 18, under the normal state, a piston rod of the cylinder 18 contracts to drive the scraper 17 to retract to one end of the inner cylinder body 13, after the device is used for a long time, incrustation easily appears on the inner wall of the inner cylinder body 13 to influence the water flow to pass through the through holes 14, at the moment, the cylinder 18 is started, the piston rod of the cylinder 18 drives the scraper 17 to move back and forth, thereby incrustation generated in the inner cylinder body 13 is scraped, then under the impact of the water flow, powdery incrustation impurities are discharged along with the water flow through the through holes 14, the scraper 17 is arranged in the inner cylinder body 13 and is driven by the cylinder 18, can 17 round trip movement of automatic drive scraper blade to the incrustation scale that barrel 13 inner wall produced scrapes off under its effect, reached and can carry out the purpose of effective clearance to barrel 13 inner chamber under the condition of not dismantling roller 11, the incrustation scale leads to the possibility that the jam appears in through-hole 14 in barrel 13 in the reduction causes because of the coolant liquid incrustation scale appears, avoid influencing roller 11's radiating effect, realized carrying out the purpose of clearance fast to barrel 13 inner chamber.

The cooling mechanism comprises a water tank 24, a water outlet of the water tank 24 is connected with two guide pipes 22 through a water outlet pipe 23, wherein a water pump is arranged on the water outlet pipe 23, an opening of each guide pipe 22 correspondingly extends into the water inlet pipe 15, the water pump is started to pump cooling water in the water tank 24 when the cooling mechanism works, a water source in the water tank 24 is conveyed into the water inlet pipe 15 through the water outlet pipe 23 and the guide pipes 22, the cooling water enters the roller 11 through the through holes 14 in the surface of the inner cylinder 13 under the action of centrifugal force, so that the roller 11 can be cooled at the same time, the cooling efficiency is improved, the whole roller 11 is not required to be filled with water for cooling in the process, the waste of the water source is reduced, the roller 11 can be rapidly cooled, a water outlet at the bottom of the positioning seat 12 is connected with a filter tank 26 through a water outlet pipe 25, a filter screen is arranged in the filter tank 26, and after water flow containing impurities enters the filter tank 26, can be under the filter screen effect with the impurity filtering, the water source can recycle to it is extravagant to reduce the water source, all is provided with the solenoid valve on the drain pipe 25, and rose box 26 passes through pipeline and 24 inner chambers of water tank intercommunication, installs backward flow water pump on the pipeline, will retrieve in water tank 24 through filtration treatment's water source under its effect.

The working principle is as follows:

the cooling device of the open mill comprises a motor 21, a connecting shaft 2 and gears 19 connected with the connecting shaft 2 are driven to rotate by the motor 21, the two gears 19 rotate in opposite directions, so that two groups of rollers 11 are driven to rotate in opposite directions to process materials, when the rollers 11 need to be cooled, cooling water in a water tank 24 is sent into an inner cylinder 13 through a driving mechanism, the cooling water enters the rollers 11 through a plurality of through holes 14 to be contacted with the inner wall of the rollers 11, so that the rollers 11 are cooled, then a water source flows into an inner cavity of a positioning seat 12 at the end part of the rollers 11 and enters a corresponding drain pipe 25 through a drain hole at the lower side of the positioning seat, when the cooling efficiency of the device is reduced due to scale generation inside the inner cylinder 13, an air cylinder 18 is started, a piston rod of the air cylinder 18 drives a scraper 17 to move back and forth, so that scale generated in the inner cylinder 13 is scraped, and then under the impact of water flow, be likepowder incrustation scale impurity and discharge through-hole 14 along with the rivers, after the rivers that contain impurity got into rose box 26, can be under the filter screen effect with the impurity filtering, the water source can recycle.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a cooling device of mill, includes mill main part and cooling body, its characterized in that: the open mill main part includes two sets of rollers (11), roller (11) both ends swing joint has inside hollow positioning seat (12), roller (11) internally mounted has interior barrel (13) that the through-hole (14) was evenly seted up to the lateral wall, interior barrel (13) one end is connected with inlet tube (15), scraper blade (17) are installed to interior barrel (13) inside slidable, scraper blade (17) side is connected with cylinder (18), cooling body includes water tank (24), the delivery port of water tank (24) passes through outlet pipe (23) and is connected with two pipe (22), the opening correspondence of pipe (22) is stretched into in inlet tube (15).

2. A cooling apparatus of an open mill according to claim 1, characterized in that: the positioning seat (12) is installed on the rack (1), the other end of the roller (11) is connected with gears (19) through a rotating shaft (16), the two gears (19) are meshed, and one gear (19) is connected with a motor (21) through a connecting shaft (2).

3. A cooling apparatus of an open mill according to claim 1, characterized in that: and a water outlet at the bottom of the positioning seat (12) is connected with a filter box (26) through a drain pipe (25).

4. A cooling apparatus of an open mill according to claim 3, characterized in that: the filter box (26) is communicated with the inner cavity of the water tank (24) through a pipeline.