Lubricating and oiling mechanism for double-roller sand making machine

Abstract

The utility model discloses a lubrication oil injection mechanism for a double-roller type sand making machine, which comprises a sand making machine body, a lubrication cavity is arranged in the sand making machine body, mounting bearings are symmetrically mounted on one side of the lubrication cavity, a sand making rotating shaft is mounted in the mounting bearings, a plurality of bearing balls are mounted in the mounting bearings, and the bearing balls are arranged in the lubrication cavity. Pump shells are symmetrically and fixedly installed in the lubricating cavity, an oil storage cavity, an oil pumping cavity and an oil return cavity are sequentially formed in each pump shell, impeller blades are fixedly installed on the portion, located in the oil pumping cavity, of the sand making rotating shaft, oil outlet holes are symmetrically formed in the two sides of the bottom of each oil storage cavity, and one end of each oil outlet hole communicates with an oil spraying nozzle; a plurality of oil return holes are symmetrically formed in the two sides of the bottom of an inner cavity of the oil return cavity. The utility model has the beneficial effects that the pump shell, the impeller blades and the oil nozzle are arranged, the rotary sand-making rotating shaft can be utilized to realize continuous circulating oil injection and lubrication of lubricating oil, the lubricating effect of long-time work of the sand-making rotating shaft is guaranteed, the service life of the sand-making rotating shaft is prolonged, and the practicability is stronger.

Description

Technical Field

[0001] The utility model relates to the technical field of sand making machinery, in particular to a lubricating oil injection mechanism for a double-roller sand making machine. Background Art

[0002] Double-roller sand making machine is a kind of equipment widely used in medium and fine crushing of ores and rocks with medium hardness or below in industrial sectors such as sand making, mineral processing, cement, metallurgy, chemical industry, building materials, etc. The main shaft is the key component in the composition of sand making machine. Therefore, the performance and life of the main shaft assembly directly determine the performance and life of the machine body. Therefore, lubricating oil is needed to lubricate the main shaft and bearings in use, so a lubricating oil injection mechanism is required.

[0003] The prior art discloses a double-roller locking sand making machine hydraulic lubrication device with announcement number: CN216743780U, which includes a sand making machine body, a lubrication space is provided in the sand making machine body, a sand making shaft is rotatably connected to the left wall of the lubrication space, the sand making shaft penetrates into the sand making machine body and the left end face is fixedly connected to the power source, the utility model can effectively regulate the amount of lubricating oil sprayed according to the rotation speed of the sand making shaft to fully lubricate and cool the bearing balls, thereby greatly extending the service life of the sand making shaft, effectively ensuring the rotation of the sand making shaft, and at the same time, the friction ring and the sand making shaft are frictionally connected, thereby ensuring a maximum rotation speed of the friction ring, thereby ensuring a maximum amount of lubricating oil sprayed, thereby not only avoiding the waste of lubricating oil, but also avoiding the reduction of the sliding effect of the bearing balls due to excessive lubricating oil.

[0004] The above utility model utilizes the rotating sand-making shaft to drive the friction sleeve ring and the centrifugal rod to rotate, so as to realize the pushing of the arc-shaped slide plate, so that the nitrogen push plate pushes the gas in the nitrogen chamber, and realizes the effect of spraying the lubricating oil in the lubricating oil tank through the oil spray pipe for lubrication. However, this mechanism can only realize the one-time spraying and oiling of the lubricating oil. When the nitrogen push plate moves to a certain position, it will no longer lubricate the rotating sand-making shaft and bearings, making it difficult to realize long-term oiling and lubrication, and its practicality is relatively general. Utility Model Content

[0005] 1. Technical issues to be resolved

[0006] In view of the shortcomings of the prior art, the utility model provides a lubricating oil injection mechanism for a double-roller sand making machine, which can utilize the rotating sand making shaft to achieve continuous circulation oil injection lubrication of the lubricating oil, thereby ensuring the lubrication effect of the sand making shaft for long-term operation, extending its service life, and having the advantage of greater practicality, thereby solving the problems in the above-mentioned background technology.

[0007] (II) Technical solution

[0008] In order to realize the above-mentioned continuous circulation oil injection lubrication of the lubricating oil by utilizing the rotating sand-making shaft, ensure the lubrication effect of the sand-making shaft for long-term operation, extend its service life, and have the advantages of stronger practicality, the specific technical scheme adopted by the utility model is as follows: a lubricating oil injection mechanism for a double-roller sand-making machine comprises a sand-making machine body, a lubrication cavity is provided in the sand-making machine body, and a mounting bearing is symmetrically installed on one side of the lubrication cavity, and a sand-making shaft is installed in the mounting bearing, a plurality of bearing balls are installed in the mounting bearing, a pump casing is symmetrically fixedly installed in the lubrication cavity, and an oil storage cavity, an oil pumping cavity and an oil return cavity are sequentially provided in the pump casing, an impeller blade is fixedly installed on the part of the sand-making shaft located in the oil pumping cavity, oil outlet holes are symmetrically provided on both sides of the bottom of the oil storage cavity, and one end of the oil outlet hole is connected to an oil spray nozzle, a plurality of oil return holes are symmetrically provided on both sides of the bottom of the inner cavity of the oil return cavity, a pump outlet pipe is connected between the inner cavity of the oil storage cavity and the inner cavity of the pump oil cavity, and a pump inlet pipe is connected between the inner cavity of the oil return cavity and the inner cavity of the pump oil cavity.

[0009] Furthermore, a mounting slot is provided on one side of the lubrication chamber and is opened on one side of the mounting slot, a sealing card slot is provided, a mounting plate is embedded in the sealing card slot, a filter is fixedly installed on one side of the mounting plate, and the filter is inserted into the mounting slot.

[0010] Furthermore, the top of the inner cavity of the oil storage cavity is connected to an oil inlet pipe, and the center of the bottom of the inner cavity of the lubrication cavity is connected to an oil outlet pipe.

[0011] Furthermore, a guide baffle is fixedly installed inside the lubrication cavity, and the cross-section of the guide baffle is T-shaped.

[0012] Furthermore, a sealing gasket is fixedly mounted on one side of the mounting plate close to the sealing slot.

[0013] (III) Beneficial effects

[0014] Compared with the prior art, the utility model provides a lubricating oil injection mechanism for a double-roller sand making machine, which has the following beneficial effects:

[0015] (1) The utility model is provided with a pump casing, impeller blades and an oil spray nozzle. A mounting bearing is installed on the double-roller sand making machine body, and a sand making shaft is installed in the mounting bearing. A lubrication chamber is provided on the sand making machine body, and a pump casing is symmetrically fixedly installed in the lubrication chamber. An oil storage chamber, an oil pump chamber and an oil return chamber are respectively provided in the pump casing, and an impeller blade is installed on the part of the sand making shaft located in the lubrication chamber. When in use, the lubricating oil can be introduced into the oil storage chamber through the oil inlet pipe, and the lubricating oil can be sprayed on the sand making shaft and the bearing balls installed in the mounting bearing through the oil outlet and the oil spray nozzle to achieve lubrication of the rotating sand making shaft. Excess lubricating oil can be discharged from the oil outlet and the oil spray nozzle. It flows along the guide baffle into the bottom of the lubrication chamber, passes through the filter screen to filter out impurities and then enters the oil return chamber through the oil return hole. The set oil return chamber is connected to the inner cavity of the pump oil chamber through the pump inlet pipe. When the sand making shaft drives the impeller blades to rotate, the reflux lubricating oil can be pumped into the pump oil chamber through the pump inlet pipe, and then pumped out into the oil storage chamber through the pump outlet pipe, and then sprayed out through the oil nozzle, and so on. The cycle is repeated to achieve continuous lubrication of the sand making shaft, so that the lubrication oil injection mechanism of the double-roller sand making machine can use the rotating sand making shaft to achieve continuous circulation oil injection and lubrication of the lubricating oil, thereby ensuring the lubrication effect of the sand making shaft for long-term work, extending its service life and making it more practical.

[0016] (2) The utility model is provided with a filter screen, a mounting slot is provided on one side of the sand making machine body, and a sealing slot is provided on one side of the mounting slot, and a filter screen is fixedly installed on one side of the mounting plate. When in use, the user can insert the filter screen into the mounting slot, and use the provided filter screen to filter and remove impurities from the refluxed lubricating liquid to achieve the recycling of the lubricating oil. The sealing gasket fixedly installed on one side of the mounting plate can be embedded in the sealing slot to prevent foreign objects and impurities from entering the lubrication cavity, and the filter screen is easy to take and put, so as to clean the filtered impurities. When the lubricating oil needs to be replaced, the recycled lubricating oil can be discharged through the oil outlet pipe, which is more convenient to use and maintain and more practical. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0018] Figure 1 It is a structural schematic diagram of a lubricating oil injection mechanism for a double-roller sand making machine according to an embodiment of the utility model;

[0019] Figure 2 It is a side sectional view of a lubricating oil injection mechanism for a double-roller sand making machine according to an embodiment of the utility model;

[0020] Figure 3 According to the embodiment of the utility model Figure 1 A magnified image of point A;

[0021] Figure 4 According to the embodiment of the utility model Figure 1 The enlarged view of point B;

[0022] Figure 5 It is a stereoscopic diagram of the filter screen of the lubricating oil injection mechanism for the double-roller sand making machine according to the embodiment of the utility model.

[0023] In the figure:

[0024] 1. Sand making shaft; 2. Sand making machine body; 3. Install bearings; 4. Guide baffle; 5. Oil outlet pipe; 6. Pump inlet pipe; 7. Impeller blades; 8. Pump casing; 9. Oil nozzle; 10. Oil inlet pipe; 11. Bearing ball; 12. Filter; 13. Oil return hole; 14. Oil storage chamber; 15. Pump outlet pipe; 16. Pump oil chamber; 17. Oil outlet hole; 18. Oil return chamber; 19. Lubrication chamber; 20. Installation slot; 21. Installation plate; 22. Sealing slot; 23. Sealing gasket. DETAILED DESCRIPTION

[0025] To further illustrate each embodiment, the present invention provides drawings, which are part of the disclosure of the present invention and are mainly used to illustrate the embodiments. They can be used in conjunction with the relevant descriptions in the specification to explain the operating principles of the embodiments. With reference to these contents, ordinary technicians in the field should be able to understand other possible implementation methods and advantages of the present invention. The components in the figures are not drawn to scale, and similar component symbols are generally used to represent similar components.

[0026] According to an embodiment of the utility model, a lubricating oil injection mechanism for a double-roller sand making machine is provided.

[0027] The present invention is now further described in conjunction with the accompanying drawings and specific implementation methods. Figure 1-5As shown, according to the lubricating oil injection mechanism for a double-roller sand making machine of the embodiment of the utility model, it includes a sand making machine body 2, a lubrication chamber 19 is provided in the sand making machine body 2, and a mounting bearing 3 is symmetrically installed on one side of the lubrication chamber 19, and a sand making shaft 1 is installed in the mounting bearing 3, and a plurality of bearing balls 11 are installed in the mounting bearing 3, a pump housing 8 is symmetrically fixedly installed in the lubrication chamber 19, and an oil storage chamber 14, an oil pump chamber 16 and an oil return chamber 18 are sequentially provided in the pump housing 8, and an impeller blade 7 is fixedly installed on the part of the sand making shaft 1 located in the oil pump chamber 16, and the storage chamber 14 is provided in the pump housing 8, and the oil pump chamber 16 is provided in the pump housing 8, and the impeller blade 7 is fixedly installed on the part of the sand making shaft 1 located in the pump oil chamber 16, and the storage chamber 14 is provided in the pump housing 8, and the oil pump chamber 16 is provided in the pump housing 8, and the oil return chamber 18 is provided in the pump housing 8, and the oil pump chamber 16 ... Oil outlet holes 17 are symmetrically provided on both sides of the bottom of the oil chamber 14, and one end of the oil outlet hole 17 is connected to the oil nozzle 9. A plurality of oil return holes 13 are symmetrically provided on both sides of the bottom of the inner cavity of the return oil chamber 18. A pump outlet pipe 15 is connected between the inner cavity of the oil storage chamber 14 and the inner cavity of the pump oil chamber 16, and a pump inlet pipe 6 is connected between the oil return chamber 18 and the inner cavity of the pump oil chamber 16. The rotating sand making shaft 1 can be used to realize continuous circulation and lubrication of the lubricating oil, thereby ensuring the lubrication effect of the sand making shaft 1 for long-term operation, extending its service life, and making it more practical.

[0028] In one embodiment, a mounting slot 20 is provided on one side of the lubrication chamber 19 and is opened on the sand making machine body 2, and a sealing card slot 22 is provided on one side of the mounting slot 20, a mounting plate 21 is embedded in the sealing card slot 22, and a filter screen 12 is fixedly installed on one side of the mounting plate 21, and the filter screen 12 is inserted into the mounting slot 20, which facilitates the replacement and cleaning of the filter screen 12.

[0029] In one embodiment, the top of the oil storage chamber 14 is connected to the oil inlet pipe 10, and the bottom center of the lubrication chamber 19 is connected to the oil outlet pipe 5, which serves to introduce new lubricating oil and export old lubricating oil.

[0030] In one embodiment, a guide baffle 4 is fixedly installed inside the lubrication cavity 19, and the cross-sectional shape of the guide baffle 4 is T-shaped, which plays a role in guiding the excess lubricating oil flowing down to the filter screen 12 for filtering.

[0031] In one embodiment, a sealing gasket 23 is fixedly mounted on one side of the mounting plate 21 close to the sealing slot 22 , so as to ensure the sealing effect of the sealing slot 22 .

[0032] Working principle: The utility model is provided with a pump casing 8, impeller blades 7 and an oil nozzle 9. A mounting bearing 3 is installed on the double-roller sand making machine body 2, and a sand making shaft 1 is installed in the mounting bearing 3. A lubrication cavity 19 is provided on the sand making machine body 2, and a pump casing 8 is symmetrically fixedly installed in the lubrication cavity 19, and an oil storage cavity 14, an oil pump cavity 16 and an oil return cavity 18 are respectively provided in the pump casing 8, and an impeller blade 7 is installed in the part of the sand making shaft 1 located in the lubrication cavity 19. When in use, the lubricating oil can be introduced into the oil storage cavity 14 through the oil inlet pipe 10, and the lubricating oil can be The oil outlet hole 17 and the oil nozzle 9 spray the oil on the sand-making shaft 1 and the bearing ball 11 installed in the mounting bearing 3 to lubricate the rotating sand-making shaft 1. The excess lubricating oil can flow into the bottom of the lubrication cavity 19 along the guide baffle 4, and can enter the oil return cavity 18 through the oil return hole 13 after filtering impurities through the filter screen 12. The set oil return cavity 18 is connected to the inner cavity of the pump oil cavity 16 through the pump inlet pipe 6. When the sand-making shaft 1 drives the impeller blades 7 to rotate, the refluxed lubricating oil can be pumped into the pump oil cavity 16 through the pump inlet pipe 6, and then pumped out to the oil storage through the pump outlet pipe 15. The oil in the cavity 14 is then sprayed out through the oil nozzle 9, and the cycle is repeated to achieve continuous lubrication of the sand-making shaft 1, so that the lubricating oil injection mechanism for the double-roller sand-making machine can use the rotating sand-making shaft 1 to achieve continuous circulation of lubricating oil injection and lubrication, ensuring the lubrication effect of the sand-making shaft 1 for a long time, extending its service life, and being more practical. In addition, the utility model is provided with a filter screen 12, a mounting slot 20 is provided on one side of the sand-making machine body 2, and a sealing card slot 22 is provided on one side of the mounting slot 20, and a filter screen 12 is fixedly installed on one side of the mounting plate 21 When in use, the user can insert the filter 12 into the installation slot 20, and use the set filter 12 to filter and remove impurities from the refluxed lubricating liquid to achieve the recycling of the lubricating oil. The sealing gasket 23 fixedly installed on one side of the mounting plate 21 can be embedded in the sealing card groove 22 to prevent foreign objects and impurities from entering the lubrication cavity 19, and the filter 12 is easy to take and put, so as to clean the filtered impurities. When the lubricating oil needs to be replaced, the recycled lubricating oil can be exported through the oil outlet pipe 5, which is more convenient to use and maintain and more practical.

[0033] In the present utility model, unless otherwise clearly stipulated and limited, the terms such as "installation", "setting", "connection", "fixation" and "screw-on" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integrated connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. Unless otherwise clearly defined, ordinary technicians in this field can understand the specific meanings of the above terms in the utility model according to the specific circumstances.

[0034] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A lubricating oil injection mechanism for a double-roller sand making machine, comprising a sand making machine body (2), characterized in that: The sand making machine body (2) is provided with a lubrication chamber (19), and a mounting bearing (3) is symmetrically mounted on one side of the lubrication chamber (19), and a sand making rotating shaft (1) is mounted in the mounting bearing (3), and a plurality of bearing balls (11) are mounted in the mounting bearing (3). A pump housing (8) is symmetrically fixedly mounted in the lubrication chamber (19), and an oil storage chamber (14), an oil pump chamber (16) and an oil return chamber (18) are sequentially provided in the pump housing (8), and the sand making rotating shaft (1) is located in the oil pump chamber (1 6) an impeller blade (7) is fixedly installed in the inner part, oil outlet holes (17) are symmetrically opened on both sides of the bottom of the oil storage chamber (14), and one end of the oil outlet hole (17) is connected to the oil injection nozzle (9), a plurality of oil return holes (13) are symmetrically opened on both sides of the bottom of the inner cavity of the oil return chamber (18), a pump outlet pipe (15) is connected between the inner cavity of the oil storage chamber (14) and the inner cavity of the pump oil chamber (16), and a pump inlet pipe (6) is connected between the inner cavity of the oil return chamber (18) and the inner cavity of the pump oil chamber (16).

2. The lubricating oil injection mechanism for a double-roller sand making machine according to claim 1, characterized in that: A mounting slot (20) provided on the sand making machine body (2) is provided on one side of the lubrication cavity (19), and a sealing slot (22) is provided on one side of the mounting slot (20), a mounting plate (21) is embedded in the sealing slot (22), a filter screen (12) is fixedly installed on one side of the mounting plate (21), and the filter screen (12) is plugged into the mounting slot (20).

3. The lubricating oil injection mechanism for a double-roller sand making machine according to claim 1, characterized in that: The top of the inner cavity of the oil storage cavity (14) is connected to an oil inlet pipe (10), and the center of the bottom of the inner cavity of the lubrication cavity (19) is connected to an oil outlet pipe (5).

4. The lubricating oil injection mechanism for a double-roller sand making machine according to claim 1, characterized in that: A flow guide baffle (4) is fixedly installed inside the lubrication cavity (19), and the cross-sectional shape of the flow guide baffle (4) is T-shaped.

5. The lubricating oil injection mechanism for a double-roller sand making machine according to claim 2, characterized in that: A sealing gasket (23) is fixedly mounted on one side of the mounting plate (21) close to the sealing slot (22).

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