Grinding machine gearbox

Abstract

According to the technical scheme, the grinding machine gearbox is characterized in that the grinding machine gearbox comprises a gearbox body, one side of the gearbox body is connected with a lubricating oil circulation pipe, a floating ball assembly is arranged in the lubricating oil circulation pipe, a lubricating oil tank is arranged above the gearbox body, and the floating ball assembly is arranged in the lubricating oil circulation pipe. The bottom of the lubricating oil tank is communicated with the upper portion of the lubricating oil circulation pipe, and a rectangular oil guide pipe is fixed to the top end of the floating ball assembly and connected to the lubricating oil tank in a sliding mode. Strip-shaped oil inlets are formed in the surfaces of the two sides of the rectangular oil guide pipe correspondingly, so that lubricating oil flows into the gearbox body through the lubricating oil flowing pipe, the amount of the lubricating oil is increased, the operation stability and reliability of speed change gears in the gearbox body are guaranteed, the oil amount in the gearbox body is increased, and the floating ball assembly ascends. And the rectangular oil guide pipe moves upwards to stop oiling, use is convenient, and the service life of the gearbox can be prolonged.

Description

Technical Field

[0001] The utility model relates to the technical field of gearboxes, in particular to a grinding machine gearbox. Background Art

[0002] The grinding machine gearbox is a mechanism used to change the main movement speed of the bed (such as spindle speed, number of reciprocating strokes per minute of the worktable, etc.). It can be installed in a box alone to form a component of the bed, or it can be installed in a box together with other mechanisms.

[0003] For example, the Chinese patent with authorization announcement number CN211288673U discloses a main drag transmission gearbox for a gantry planer, milling and grinding machine worktable, which relates to the field of gantry planer, milling and grinding machines, and includes a gearbox, one side of the gearbox is fixedly connected with a box cover, both ends of one side of the inner wall of the gearbox are provided with a first card slot, both ends of the other side of the inner wall of the gearbox are provided with a second card slot, both ends of one side of the box cover are fixedly connected with a first card block, both ends of the other side of the box cover are fixedly connected with a second card block, one end of the second card block is provided with a threaded hole, and both ends of the back side of the gearbox are movably connected with bolts.

[0004] The above-mentioned gearbox has the advantages of easy installation and removal of the case cover, and convenient maintenance or repair of the gearbox; however, the above-mentioned gearbox still has some disadvantages, such as: during the long-term use of the gearbox, the lubricating oil is lost, resulting in a small amount of lubricating oil inside the gearbox, and the lubricating oil in the gearbox cannot be found and replenished in time, which easily causes the gears of the gearbox to wear and affects the service life of the gearbox. Utility Model Content

[0005] In view of the problems mentioned in the background technology, the purpose of the present utility model is to provide a grinding machine gearbox to solve the problems mentioned in the background technology.

[0006] The above technical objectives of the utility model are achieved through the following technical solutions:

[0007] A gearbox for a grinding machine, comprising a gearbox body, one side of the gearbox body is connected to a lubricating oil circulation pipe, a float assembly is arranged in the lubricating oil circulation pipe, a lubricating oil tank is arranged above the gearbox body, the bottom of the lubricating oil tank is connected to the top of the lubricating oil circulation pipe, a rectangular oil guide pipe is fixed to the top of the float assembly, and the rectangular oil guide pipe is slidably connected to the lubricating oil tank;

[0008] Strip-shaped oil inlets are provided on both side surfaces of the rectangular oil guide pipe, and a plurality of equally spaced flow holes are provided on the lower side surface, and the flow holes are connected to the lubricating oil flow pipe.

[0009] By adopting the above technical solution, the lubricating oil circulation pipe connected to one side of the gearbox body can allow the lubricating oil to circulate, which is convenient for measuring the amount of lubricating oil in the gearbox body. When the float assembly contacts the lubricating oil, the height change can monitor the amount of lubricating oil in the gearbox body. When the oil level is low, the float assembly moves downward, which can drive the rectangular oil guide pipe at the end to move in the lubricating oil tank. The strip oil inlet opened on the surface of the rectangular oil guide pipe can facilitate the lubricating oil in the lubricating oil tank to flow into the circulation hole, so that the lubricating oil flows into the gearbox body through the lubricating oil circulation pipe, increasing the amount of lubricating oil and ensuring the operating stability and reliability of the speed gear inside the gearbox body. The amount of oil inside the gearbox body increases, the float assembly rises, and the rectangular oil guide pipe moves upward to stop refueling. It is more convenient to use and can extend the service life of the gearbox.

[0010] Preferably, a communicating notch is provided between the bottom of the gearbox body and the bottom of the lubricating oil circulation pipe.

[0011] By adopting the above technical solution, the lubricating oil in the lubricating oil circulation pipe is connected with the lubricating oil at the bottom of the gearbox body through the connecting groove, which facilitates the float assembly to measure the lubricating oil inside the gearbox body.

[0012] Preferably, the float assembly includes a float and a connecting rod, the float is disposed in the lubricating oil circulation pipe and is threadedly connected to the connecting rod, and the upper end of the connecting rod is fixedly connected to the rectangular oil guide pipe.

[0013] By adopting the above technical solution, when the float is connected to the connecting rod, it is convenient to measure the height of the lubricating oil inside the gearbox body, and can drive the rectangular oil guide pipe fixed on the connecting rod to move vertically in the lubricating oil tank to control the oil intake.

[0014] Preferably, a box cover is fixed on the gearbox body, and the lubricating oil tank is fixed on the box cover.

[0015] By adopting the above technical solution, the lubricating oil tank can be conveniently fixed through the tank cover, and the sealing performance of the gearbox body can also be conveniently improved.

[0016] Preferably, a heating plate is embedded in the bottom of the lubricating oil tank.

[0017] By adopting the above technical solution, the solidified lubricating oil can be heated by the heating plate when the weather is cold, thereby improving the circulation effect.

[0018] Preferably, a flow cover is fixed in the lubricating oil tank, and the flow cover is clamped on the rectangular oil guide pipe.

[0019] By adopting the above technical solution, the circulation cover is engaged with the rectangular oil guide pipe. When the hole of the circulation cover is connected with the strip-shaped oil inlet on the rectangular oil guide pipe, the circulation of the lubricating oil is facilitated. When the connection is not made, the filling of the lubricating oil can be stopped to maintain the balance of the lubricating oil amount inside the gearbox body.

[0020] Preferably, a limiting groove is provided in the circulation cover, a limiting block is fixed on the side surface of the rectangular oil guide pipe, and the limiting block is slidably connected in the limiting groove.

[0021] By adopting the above technical solution, the limit block is slidably connected in the limit groove, and the vertical moving position of the rectangular oil guide pipe in the circulation cover can be adjusted.

[0022] Preferably, a guide ring is fixed in the lubricating oil circulation pipe, and the guide ring is slidably connected to the connecting rod.

[0023] By adopting the above technical solution, the smooth performance of the vertical movement of the connecting rod can be improved through the guide ring.

[0024] In summary, the utility model mainly has the following beneficial effects:

[0025] First, in the gearbox of the grinder, the lubricating oil circulation pipe connected to one side of the gearbox body can make the lubricating oil flow, which is convenient for measuring the amount of lubricating oil in the gearbox body. When the float assembly contacts the lubricating oil, the height change can monitor the amount of lubricating oil in the gearbox body. When the oil level is low, the float assembly moves down, which can drive the rectangular oil guide pipe at the end to move in the lubricating oil tank;

[0026] Second, in the gearbox of the grinder, the strip-shaped oil inlet opened on the surface of the rectangular oil guide pipe can facilitate the lubricating oil in the lubricating oil tank to flow into the circulation hole, so that the lubricating oil flows into the gearbox body through the lubricating oil circulation pipe, thereby increasing the amount of lubricating oil and ensuring the operating stability and reliability of the speed gear inside the gearbox body. When the amount of oil inside the gearbox body increases, the float assembly rises, and the rectangular oil guide pipe moves upward to stop refueling, which is more convenient to use and can extend the service life of the gearbox. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 It is a structural schematic diagram of the utility model;

[0028] Figure 2 It is a structural sectional view of the utility model;

[0029] Figure 3 It is one of the partial structural schematic diagrams of the utility model;

[0030] Figure 4 This is the second partial structural schematic diagram of the utility model.

[0031] Figure numerals: 1. gearbox body; 2. lubricating oil circulation pipe; 3. float assembly; 31. float; 32. connecting rod; 4. lubricating oil tank; 5. rectangular oil guide pipe; 6. strip oil inlet; 7. circulation hole; 8. connecting slot; 9. guide ring; 10. box cover; 11. heating plate; 12. circulation cover; 13. limit groove; 14. limit block. DETAILED DESCRIPTION

[0032] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0033] refer to Figure 1-Figure 4 A grinding machine gearbox comprises a gearbox body 1, a lubricating oil circulation pipe 2 is connected to one side of the gearbox body 1, a float assembly 3 is arranged in the lubricating oil circulation pipe 2, a lubricating oil tank 4 is arranged above the gearbox body 1, the bottom of the lubricating oil tank 4 is connected to the top of the lubricating oil circulation pipe 2, a rectangular oil guide pipe 5 is fixed to the top of the float assembly 3, and the rectangular oil guide pipe 5 is slidably connected to the lubricating oil tank 4, wherein the float assembly 3 comprises a float 31 and a connecting rod 32, the float 31 is arranged in the lubricating oil circulation pipe 2, and is threadedly connected to the connecting rod 32, the upper end of the connecting rod 32 is fixedly connected to the rectangular oil guide pipe 5, when the float 31 is connected to the connecting rod 32, it is convenient to measure the height of the lubricating oil amount inside the gearbox body 1, and can drive the rectangular oil guide pipe 5 fixed on the connecting rod 32 to move vertically in the lubricating oil tank 4 to control the oil intake;

[0034] Strip-shaped oil inlets 6 are provided on both side surfaces of the rectangular oil guide tube 5 , and a plurality of equally spaced flow holes 7 are provided on the lower side surface, and the flow holes 7 are connected to the lubricating oil flow tube 2 .

[0035] When in use, the lubricating oil circulation pipe 2 connected to one side of the gearbox body 1 can allow the lubricating oil to circulate, which is convenient for measuring the amount of lubricating oil in the gearbox body 1. When the float assembly 3 contacts the lubricating oil, the height change can monitor the amount of lubricating oil in the gearbox body 1. When the oil level is low, the float assembly 3 moves downward, which can drive the rectangular oil guide pipe 5 at the end to move in the lubricating oil tank 4. The strip oil inlet 6 opened on the surface of the rectangular oil guide pipe 5 can facilitate the lubricating oil in the lubricating oil tank 4 to flow into the circulation hole 7, so that the lubricating oil flows into the gearbox body 1 through the lubricating oil circulation pipe 2, increasing the amount of lubricating oil and ensuring the operating stability and reliability of the speed gear inside the gearbox body 1. The amount of oil inside the gearbox body 1 increases, the float assembly 3 rises, and the rectangular oil guide pipe 5 moves upward to stop refueling. It is more convenient to use and can extend the service life of the gearbox.

[0036] refer to Figure 1-Figure 4 A connecting slot 8 is provided between the bottom of the gearbox body 1 and the bottom of the lubricating oil circulation pipe 2. The connecting slot 8 facilitates the lubricating oil in the lubricating oil circulation pipe 2 to communicate with the lubricating oil at the bottom of the gearbox body 1, and facilitates the float assembly 3 to measure the lubricating oil inside the gearbox body 1.

[0037] refer to Figure 1-Figure 4 A box cover 10 is fixed on the gearbox body 1, and the lubricating oil tank 4 is fixed on the box cover 10. The box cover 10 is convenient for fixing the lubricating oil tank 4 and also convenient for improving the sealing performance of the gearbox body 1.

[0038] refer to Figure 1-Figure 4 A heating plate 11 is embedded at the bottom of the lubricating oil tank 4. The heating plate 11 can heat the solidified lubricating oil when the weather is cold to improve the circulation effect.

[0039] refer to Figure 1-Figure 4 A circulation cover 12 is fixed in the lubricating oil tank 4, and the circulation cover 12 is engaged with the rectangular oil guide pipe 5. When the circulation cover 12 is engaged with the rectangular oil guide pipe 5 and the hole of the circulation cover 12 is connected with the strip oil inlet 6 on the rectangular oil guide pipe 5, the circulation of the lubricating oil is convenient. When it is not connected, the lubricating oil can be stopped to keep the balance of the lubricating oil amount inside the gearbox body 1.

[0040] refer to Figure 1-Figure 4 A limiting groove 13 is provided in the circulation cover 12, and a limiting block 14 is fixed on the side surface of the rectangular oil guide pipe 5. The limiting block 14 is slidably connected in the limiting groove 13, and the limiting block 14 is slidably connected in the limiting groove 13, so that the vertical moving position of the rectangular oil guide pipe 5 in the circulation cover 12 can be adjusted.

[0041] refer to Figure 1-Figure 4A guide ring 9 is fixed in the lubricating oil circulation pipe 2, and the guide ring 9 is slidably connected to the connecting rod 32. The guide ring 9 can improve the stability of the vertical movement of the connecting rod 32.

[0042] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A gearbox for a grinding machine, comprising a gearbox body (1), characterized in that: A lubricating oil circulation pipe (2) is connected to one side of the gearbox body (1), a float assembly (3) is arranged in the lubricating oil circulation pipe (2), a lubricating oil tank (4) is arranged above the gearbox body (1), the bottom of the lubricating oil tank (4) is connected to the top of the lubricating oil circulation pipe (2), a rectangular oil guide pipe (5) is fixed to the top of the float assembly (3), and the rectangular oil guide pipe (5) is slidably connected to the lubricating oil tank (4); Strip-shaped oil inlets (6) are provided on both side surfaces of the rectangular oil guide pipe (5), and a plurality of equally spaced flow holes (7) are provided on the lower side surface, wherein the flow holes (7) are connected to the lubricating oil flow pipe (2).

2. A grinding machine gearbox according to claim 1, characterized in that: A communication notch (8) is provided between the bottom of the gearbox body (1) and the bottom of the lubricating oil circulation pipe (2).

3. A grinding machine gearbox according to claim 1, characterized in that: The float assembly (3) comprises a float (31) and a connecting rod (32); the float (31) is arranged in the lubricating oil circulation pipe (2) and is threadedly connected to the connecting rod (32); the upper end of the connecting rod (32) is fixedly connected to the rectangular oil guide pipe (5).

4. A grinding machine gearbox according to claim 1, characterized in that: A box cover (10) is fixed on the gearbox body (1), and the lubricating oil tank (4) is fixed on the box cover (10).

5. The gearbox for a grinding machine according to claim 1, characterized in that: A heating plate (11) is embedded at the bottom of the lubricating oil tank (4).

6. A grinding machine gearbox according to claim 1, characterized in that: A circulation cover (12) is fixed in the lubricating oil tank (4), and the circulation cover (12) is engaged with the rectangular oil guide pipe (5).

7. A grinding machine gearbox according to claim 6, characterized in that: A limiting groove (13) is provided in the circulation cover (12), a limiting block (14) is fixed on the side surface of the rectangular oil guide pipe (5), and the limiting block (14) is slidably connected in the limiting groove (13).

8. The gearbox for a grinding machine according to claim 3, characterized in that: A guide ring (9) is fixed inside the lubricating oil circulation pipe (2), and the guide ring (9) is slidably connected to the connecting rod (32).

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