Oil injection system for mill

By introducing the sandwich structure and thermal oil heating technology into the oil injection system of the mill, the problem of uneven glycerin heating is solved, uniform heating and temperature control of glycerin is achieved, damage to the oil injection pump is prevented, and stable operation and safety of the mill are ensured.

CN223459869UActive Publication Date: 2025-10-21TIBET YULONG COPPER CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202520039840.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-08
Publication Date
2025-10-21
Estimated Expiration
2035-01-08

AI Technical Summary

Technical Problem

In the existing mill gear lubrication and cooling system, the glycerin heating efficiency is low and uneven, resulting in increased negative pressure in the injection pump, frequent damage, and large temperature differences in the mill gears, affecting transmission efficiency and stable operation, and may even cause damage to the mill.

Method used

The sandwich structure inside the tank is adopted, and the glycerin is evenly heated by heating rods and heat-conducting oil, and is regularly sprayed to the mill gears through an injection pump. The constant control of the glycerin temperature is achieved by combining a temperature sensor and a liquid level gauge.

Benefits of technology

It achieves uniform and rapid heating of glycerin, maintains constant temperature, prevents damage to the injection pump, ensures uniform temperature of the mill gears, avoids damage to the mill, and improves production stability and safety.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223459869U_ABST
    Figure CN223459869U_ABST
Patent Text Reader

Abstract

The oil injection system comprises a tank body (1), an oil injection pump (2), an oil injection nozzle (3) and a spraying pipe (4), an oil filling port (11) and an oil outlet (12) are formed in the top of the tank body (1), an interlayer is arranged on the side wall of the tank body (1), a heating cavity used for storing glycerol is formed in the tank body, an oil outlet pipe is vertically arranged in the heating cavity, the upper end of the oil outlet pipe is communicated with the oil outlet (12), and the lower end of the oil outlet pipe is communicated with the spraying pipe (4). The lower end extends to the bottom of the heating cavity. And a heating rod and heat-conducting oil are arranged in the interlayer. An inlet of the fuel injection pump is communicated with the fuel outlet, the fuel injection nozzle is fixedly arranged on the mill and used for injecting glycerin to a gear of the mill, and the spraying pipe (4) is respectively communicated with an outlet of the fuel injection pump and the fuel injection nozzle (3). According to the utility model, the glycerol can be uniformly heated, so that the temperature of the glycerol reaches and is maintained within a required temperature range, the damage of the grease pump is prevented, and the glycerol is uniformly sprayed onto the gear of the mill.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model relates to mill technical field especially relates to the structure of oil injection system for mill. BACKGROUND

[0002] When the copper ore enterprise carries out ore dressing and smelting to copper ore material, needs using mill to carry out the crushing of ore material, and the mill needs rotating under the drive of motor to carry out the grinding work, since the transmission force required by the grinding work is large, the rotation between the gear of the mill will produce a large amount of heat, therefore, it is necessary to spray glycerol on the gear of the mill regularly for lubrication and cooling.

[0003] Since the glycerol will become viscous when the temperature is low, even solidify (lower than 18.2℃), therefore, it is necessary to heat the glycerol to a suitable temperature (usually 50~60℃) first to dilute it and enhance its fluidity. The existing method usually winds a heating pad around the outer periphery of the glycerol packaging barrel, after the glycerol in the glycerol packaging barrel is heated by the heating pad, the glycerol is pumped to the oil injection nozzle installed on the gear cover of the mill by the oil injection pump, the glycerol is sprayed to the gear of the mill regularly by the oil injection nozzle, and the gear of the mill is lubricated and cooled by the glycerol.

[0004] However, the existing glycerol heating method has low heating efficiency in the production operation process, the glycerol is not heated uniformly and stably, the glycerol cannot maintain constant temperature at the required temperature, the viscosity of the glycerol in different areas is different, the negative pressure in the oil injection pump increases, the oil injection pump is damaged frequently, the glycerol is not sprayed uniformly, the temperature difference of the gear of the mill increases, the transmission efficiency is reduced, the stable operation of the mill is affected, and the mill may even be damaged. Moreover, the heating pad is exposed outside, is damaged frequently, affects normal production, and may cause safety accidents.

[0005] The utility model aims at providing an oil injection system for mill, which can uniformly and quickly heat the glycerol and maintain constant temperature of the glycerol. UTILITY MODEL CONTENTS

[0006] In order to solve the above problems, the utility model provides an oil injection system for mill 6, which comprises a tank body 1, an oil injection pump 2, an oil injection nozzle 3 and a spray pipe 4, the top of the tank body 1 is provided with a refueling port 11 and an oil outlet 12, the side wall is provided with a sandwich layer 13, the inside of the tank body 1 is formed with a heating cavity 14 for storing glycerol, the oil outlet pipe 122 is arranged in the heating cavity 14, the oil outlet pipe 122 is vertically arranged, the upper end is communicated with the oil outlet 12, and the lower end extends to the bottom of the heating cavity 14. The sandwich layer 13 is provided with a heating rod 15 and heat conducting oil 16. The inlet of the oil injection pump 2 is communicated with the oil outlet 12, the oil injection nozzle 3 is used for being installed on the mill 6, the glycerol is sprayed to the gear 61 of the mill 6, and the spray pipe 4 is communicated with the outlet of the oil injection pump 2 and the oil injection nozzle 3 respectively.

[0007] The utility model discloses when using, install the oil nozzle 3 on the mill 6, the oil nozzle 3 oil injection direction is towards the gear 61 of mill 6, then through the oil filler neck 11, add glycerol to the heating cavity 14, then through the heating stick 15, heat the heat transfer oil 16, through the heat transfer oil 16, the glycerol in the heating cavity 14 is evenly heated, makes the glycerol reach and maintain in the temperature range required, and the oil injection pump 2 is opened in time and is extracted through the oil nozzle and is sprayed on the gear 61 of mill 6 in the glycerol in the heating cavity 14.

[0008] The utility model discloses through setting up the sandwich 13 on the jar body 1, setting up the heating stick 15 and the heat transfer oil 16 in the sandwich 13, through the heating stick 15, heat the heat transfer oil 16, through the heat transfer oil 16, the glycerol in the heating cavity 14 is heated, can improve the heating efficiency, makes the glycerol more evenly heated, and keeps constant temperature, thereby the oil nozzle 3 sprays oil more evenly, prevents the oil injection pump 2 from being damaged, makes the gear 61 temperature of mill 6 even, prevents mill 6 from being damaged. The utility model discloses can evenly, quickly heat the glycerol, keeps constant temperature for the glycerol, prevents dry oil pump from being damaged, thereby reaches the effect that the glycerol is evenly sprayed to the gear 61 of mill 6.

[0009] Preferably, it further includes heating column pipe 17, heating column pipe 17 is horizontally set up in the heating cavity 14, and both ends are communicated with the sandwich 13.

[0010] Through setting up the heating column pipe 17 in the heating cavity 14, the both ends of heating column pipe 17 are communicated with the sandwich 13 respectively, can make the heat transfer oil 16 in the sandwich 13 enter the heating column pipe 17, and the glycerol in the heating cavity 14 is heated through the heating column pipe 17, improves the heating efficiency of glycerol.

[0011] Preferably, the heating column pipe 17 is provided with a plurality of, and the plurality of heating column pipes 17 are parallel to each other and are equally spaced. By setting multiple heating column pipes 17 in the heating cavity 14, the multiple heating column pipes 17 are parallel to each other and are equally spaced, which can make the glycerol in the heating cavity 14 more evenly heated and the heating efficiency higher.

[0012] Preferably, the heating cavity 14 is provided with a temperature sensor 18. By setting a stable sensor in the heating cavity 14, the temperature of the glycerol in the heating cavity 14 can be detected in real time, so that the glycerol in the heating cavity 14 can be heated in time to be in a suitable temperature range.

[0013] Preferably, a first liquid level gauge 19 is arranged in the heating cavity 14, and a second liquid level gauge 132 is arranged in the interlayer 13. By arranging the first liquid level gauge 19 in the heating cavity 14, the liquid level of the glycerol in the heating cavity 14 can be detected in time, and when the liquid level of the glycerol in the heating cavity 14 is low, the glycerol can be supplemented in time to prevent insufficient glycerol from affecting the lubrication and cooling of the gear 61 of the mill 6 and causing damage to the mill 6. By arranging the second liquid level gauge 132 in the interlayer 13, the liquid level of the heat conducting oil 16 can be detected, and when the liquid level of the heat conducting oil 16 is low, the heat conducting oil 16 can be replaced and added in time.

[0014] Preferably, a filling valve 111 is arranged on the oil filling port 11, and an oil outlet valve 121 is arranged on the oil outlet port 12.

[0015] Preferably, an oil changing port 131 communicating with the interlayer 13 is arranged on the tank body 1, and an observation window 10 for observing the liquid level of the heat conducting oil 16 is arranged on the side wall of the tank body 1. The heat conducting oil 16 in the interlayer 13 can be replaced through the oil changing port 131, and the liquid level of the heat conducting oil 16 in the interlayer 13 can be observed through the observation window 10.

[0016] Preferably, a controller 5 is further included, which is electrically connected with the oil injection pump 2, the oil outlet valve 121, the first liquid level gauge 19, the second liquid level gauge 132, the temperature sensor 18, and the heating rod 15, and is used for automatically controlling the heating rod 15 to heat the glycerol in the heating cavity 14 and controlling the oil injection pump 2 to spray glycerol onto the gear 61 of the mill 6 at regular time. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 . Schematic diagram of the overall structure of the oil injection system for the mill;

[0018] Figure 2 . Schematic diagram of the overall structure of the tank body;

[0019] Figure 3 . Schematic diagram of the internal structure of the tank body;

[0020] Figure 4 . Figure 4 . Schematic diagram of the A-A section;

[0021] Figure 5 . Schematic diagram of the use state of the oil injection system for the mill.

[0022] In the drawings, 1. tank body, 11. oil filling port, 111. oil filling valve, 12. oil outlet port, 121. oil outlet valve, 122. oil outlet pipe, 13. interlayer, 131. oil changing port, 132. second liquid level gauge, 14. heating cavity, 15. heating rod, 16. heat conducting oil, 17. heating tube, 18. temperature sensor, 19. first liquid level gauge, 10. observation window, 2. oil injection pump, 3. oil injection nozzle, 4. spraying pipe, 5. controller, 6. mill, 61. gear. DETAILED DESCRIPTION

[0023] The preferred embodiments of the utility model are described in detail below with reference to the drawings.

[0024] As shown in Figure 1 and Figure 2 , the oil injection system of the mill 6 includes a tank body 1, an oil injection pump 2, an oil injection nozzle 3, a spray pipe 4 and a controller 5.

[0025] The tank body 1 is provided with a filling port 11 and an oil outlet 12 on the top, and the filling port 11 is provided with a filling valve 111, and the oil outlet 12 is provided with an oil outlet valve 121.

[0026] The inlet of the oil injection pump 2 is communicated with the oil outlet 12, and the oil injection nozzle 3 is fixedly arranged on the mill 6 and used for spraying glycerol on the gear 61 of the mill 6, and the spray pipe 4 is communicated with the outlet of the oil injection pump 2 and the oil injection nozzle 3.

[0027] The inlet of the oil injection pump 2 is communicated with the oil outlet 12, and the oil injection nozzle 3 is arranged on the mill 6 and used for spraying glycerol on the gear 61 of the mill 6,

[0028] As shown in Figure 3 and Figure 4 , the side wall of the tank body 1 is provided with a sandwich layer 13, and the inside of the tank body 1 forms a heating cavity 14 for storing glycerol, and the heating cavity 14 is provided with an oil outlet pipe 122, and the oil outlet pipe 122 is vertically arranged, and the upper end is communicated with the oil outlet 12, and the lower end extends to near the bottom of the heating cavity 14. The sandwich layer 13 is provided with a heating rod 15 and a heat conducting oil 16.

[0029] By arranging the sandwich layer 13 on the tank body 1, arranging the heating rod 15 and the heat conducting oil 16 in the sandwich layer 13, heating the heat conducting oil 16 by the heating rod 15, and heating the glycerol in the heating cavity 14 by the heat conducting oil 16, the heating efficiency can be improved, the glycerol is heated more uniformly, and the temperature is kept constant, the oil injection nozzle 3 sprays more uniformly, prevents the oil injection pump 2 from being damaged, and makes the temperature of the gear 61 of the mill 6 uniform.

[0030] The tank body 1 is provided with an oil replacement port 131 communicated with the sandwich layer 13, and the side wall of the tank body 1 is provided with an observation window 10 for observing the liquid level of the heat conducting oil 16. The heat conducting oil 16 in the sandwich layer 13 is replaced through the oil replacement port 131, and the liquid level of the heat conducting oil 16 in the sandwich layer 13 can be observed through the observation window 10.

[0031] The inside of the tank body 1 is provided with a heating column pipe 17, and the heating column pipe 17 is horizontally arranged in the heating cavity 14 and communicated with the sandwich layer 13 at both ends.

[0032] The heating column pipe 17 is provided with a plurality of heating column pipes 17, and the plurality of heating column pipes 17 are parallel to each other and arranged at equal intervals.

[0033] The heating column pipe 17 is arranged in the heating cavity 14, and the two ends of the heating column pipe 17 are communicated with the interlayer 13, so that the heat-conducting oil 16 in the interlayer 13 enters the heating column pipe 17, the glycerol in the heating cavity 14 is heated by the heating column pipe 17, and the heating efficiency of the glycerol is improved.

[0034] The temperature sensor 18 is arranged in the heating cavity 14.

[0035] The first liquid level meter 19 is arranged in the heating cavity 14.

[0036] The controller 5 is electrically connected with the oil injection pump 2, the oil outlet valve 121, the first liquid level meter 19, the second liquid level meter 132, the temperature sensor 18 and the heating rod 15, automatically controls the heating rod 15 to heat the glycerol in the heating cavity 14, so that the glycerol is in a set temperature range and the temperature is stable, controls the oil injection pump 2 to spray the glycerol on the gear 61 of the mill 6 at regular time, stops heating when the heat-conducting oil 16 in the interlayer 13 is low, and reminds the staff to add or replace the heat-conducting oil 16 in the interlayer 13.

[0037] As shown in Figure 5 The oil injection nozzle 3 is fixedly arranged on the mill 6, faces the gear 61 of the mill 6, glycerol is added into the heating cavity 14 through the oil inlet 11, then the heat-conducting oil 16 is heated by the heating rod 15, the glycerol in the heating cavity 14 is uniformly heated by the heat-conducting oil 16, the glycerol reaches and maintains in a required temperature range, the oil injection pump 2 is opened at regular time, the glycerol in the heating cavity 14 is extracted and sprayed on the gear 61 of the mill 6 through the oil injection nozzle 3.

[0038] The heat-conducting oil 16 in the interlayer 13 is heated by the heating rod 15, the glycerol in the heating cavity 14 is heated by the heat-conducting oil 16, the heating efficiency is improved, the glycerol is more uniformly heated, and the temperature is kept constant, so that the oil injection nozzle 3 sprays oil more uniformly, the oil injection pump 2 is prevented from being damaged, the temperature of the gear 61 of the mill 6 is uniform, and the mill 6 is prevented from being damaged.

[0039] By setting the heating column pipe 17 in the heating cavity 14, the both ends of the heating column pipe 17 are communicated with the sandwich layer 13 respectively, the heat conducting oil 16 in the sandwich layer 13 can enter the heating column pipe 17, the glycerol in the heating cavity 14 is heated by the heating column pipe 17, and the heating efficiency of the glycerol is improved.

[0040] It should be noted that the above embodiments illustrate the utility model rather than limit the utility model.

Claims

1. A lubricating system for a mill, characterized in that, The utility model relates to a glycerol heating and spraying device for a grinding machine, which comprises a tank (1), an oil injection pump (2), an oil injection nozzle (3) and a spraying pipe (4), The tank (1) is provided with a filling port (11) and an oil outlet (12) at the top, and a sandwich layer (13) is arranged on the side wall, and a heating cavity (14) for storing glycerol is formed in the tank (1), and an oil outlet pipe (122) is arranged in the heating cavity (14); The oil outlet pipe (122) is vertically arranged, and the upper end is communicated with the oil outlet (12), and the lower end extends to the bottom of the heating cavity (14); The sandwich layer (13) is provided with a heating rod (15) and heat conducting oil (16); The inlet of the oil injection pump (2) is communicated with the oil outlet (12); The oil injection nozzle (3) is arranged on the grinding machine and sprays glycerol on the gear of the grinding machine; The spraying pipe (4) is communicated with the outlet of the oil injection pump (2) and the oil injection nozzle (3) respectively.

2. The oil injection system for a mill according to claim 1, characterized in that, Further comprising a heating column pipe (17), The heating column pipe (17) is horizontally arranged in the heating cavity (14) and communicated with the sandwich layer (13) at both ends.

3. The oil injection system for a mill according to claim 2, characterized in that, The heating column pipe (17) is provided with a plurality of, The plurality of heating column pipes (17) are arranged in parallel and at equal intervals.

4. The oil injection system for a mill according to claim 3, characterized in that A temperature sensor (18) is arranged in the heating cavity (14).

5. The oil injection system for a mill according to claim 4, characterized in that, A first liquid level meter (19) is arranged in the heating cavity (14), A second liquid level meter (132) is arranged in the sandwich layer (13).

6. The oil injection system for a mill according to claim 4, characterized in that, A filling valve (111) is arranged on the filling port (11); An oil outlet valve (121) is arranged on the oil outlet (12).

7. The oil injection system for a mill according to claim 6, characterized in that An oil replacement port (131) is arranged on the tank (1) and communicated with the sandwich layer (13); An observation window (10) is arranged on the side wall of the tank (1) for observing the liquid level of the heat conducting oil (16).

8. The oil injection system for a mill according to any one of claims 1 to 7, characterized in that, Further comprising a controller (5), The controller (5) is electrically connected with the oil injection pump (2), the oil outlet valve (121), the first liquid level meter (19), the second liquid level meter (132), the temperature sensor (18) and the heating rod (15), and is used for automatically controlling the heating rod (15) to heat the glycerol in the heating cavity (14) and controlling the oil injection pump (2) to spray glycerol on the gear of the grinding machine at a regular time.