Automatic lubricating device for machine tool spindle

Abstract

The utility model discloses an automatic lubricating device for a machine tool spindle, and relates to the technical field of spindle lubrication. According to the automatic lubricating device for the machine tool spindle, by arranging the mounting frame, the motor, the first incomplete gear, the second incomplete gear, a second moving rod, a connecting plate, a sliding groove, a first moving rod, a connecting column, a rotating shaft and a top block, the function of intermittently lubricating the spindle body is achieved; after a motor is started, under the cooperation of a first incomplete gear and a second incomplete gear, a rotating shaft rotates to drive a first moving rod to slide in a sliding groove, and when the first moving rod moves, a connecting column drives an ejector block to intermittently leave an oil inlet, so that the oil inlet is opened for a period of time; and then the ejector block returns into the oil inlet to close the oil inlet, so that the lubricating oil enters the connecting groove after a period of time, and waste of the lubricating oil is avoided while the main shaft body is lubricated.

Description

TECHNICAL FIELD

[0001] The utility model relates to main shaft lubrication technical field, concretely is a machine tool main shaft automatic lubricating device. BACKGROUND

[0002] Machine tool main shaft refers to the shaft that rotates workpiece or cutter on machine tool. Usually by main shaft, bearing and transmission (gear or pulley) etc. Compose main shaft component. Main shaft component is machine tool's executor, its function is support and drive workpiece or cutter, complete surface forming movement, still play transmission movement and torque, bear cutting force and driving force etc. Load's function, in the working process of main shaft, in order to guarantee the stability of work, need to lubricate the bearing of fixed main shaft, the existing machine tool main shaft automatic lubricating device does not stop to the outside of main shaft body smears lubricating oil, and the lubricating oil on the surface of main shaft body is too much, and when the external temperature is low, can cause lubricating oil to condense on the surface of main shaft body, cannot form oil film on the contact surface, to cause friction and abrasion increase, and when serious, can damage mechanical equipment, and also cause waste to lubricating oil. SUMMARY

[0003] In view of the deficiencies of the prior art, the utility model provides a machine tool main shaft automatic lubricating device to solve the problems in the background art:

[0004] The existing machine tool main shaft automatic lubricating device does not stop to the outside of main shaft body smears lubricating oil, and the lubricating oil on the surface of main shaft body is too much, and when the external temperature is low, can cause lubricating oil to condense on the surface of main shaft body, cannot form oil film on the contact surface, to cause friction and abrasion increase, and when serious, can damage mechanical equipment, and also cause waste to lubricating oil.

[0005] To achieve the above object, the utility model is realized by the following technical schemes:

[0006] The utility model provides a machine tool spindle automatic lubricating device, including the spindle main body, the outside of spindle main body is equipped with fixed shell, the inside of fixed shell is equipped with the connecting groove, the outside of spindle main body is equipped with the rotating part in connecting groove, the top of fixed shell is fixedly connected with the oil storage tank, the inside of oil storage tank is fixedly connected with the fixed frame, the inside of fixed frame is fixedly connected with the installation box, the inside of installation box is connected with the connecting column of sliding, the bottom of connecting column is fixedly connected with the top block through the bottom of installation box, the top of fixed frame is rotatably connected with the pivot, the bottom one side of pivot is fixedly connected with the first mobile pole, the inside of connecting column top is equipped with the sliding slot, the outside of first mobile pole is connected with sliding slot slidingly, the top of fixed shell and oil storage tank between and located the direct below of top block is equipped with the oil inlet, the inside of installation box is fixedly connected with the sliding rod in symmetry, the outside of connecting column is fixedly connected with the limit board, the outside of sliding rod is connected with limit board slidingly, the top of limit board and connecting column between fixedly connected with spring.

[0007] Preferably, the top of the pivot is fixedly connected with a first incomplete gear through the top of the oil storage tank, and the side away from the pivot of the first incomplete gear is fixedly connected with a connecting plate.

[0008] Preferably, the top of the oil storage tank is rotatably connected with a second incomplete gear, and the side of the second incomplete gear is meshingly connected with the first incomplete gear.

[0009] Preferably, the side of the second incomplete gear is fixedly connected with a second mobile pole.

[0010] Preferably, the top of the oil storage tank is fixedly connected with a mounting bracket, the top of the mounting bracket is fixedly connected with a motor, and the output end of the motor is fixedly connected with the center of the side of the second incomplete gear through the side of the mounting bracket.

[0011] Preferably, the inside of the oil storage tank is provided with a liquid level gauge, and the top of the oil storage tank is provided with an inlet.

[0012] The utility model provides a machine tool spindle automatic lubricating device. Compared with the prior art, the utility model has the following beneficial effects:

[0013] The machine tool spindle automatic lubricating device realizes the intermittent lubrication function of the spindle main body, and after the motor is turned on, the rotating shaft rotates and drives the first moving rod to slide in the inside of the sliding groove under the cooperation of the first incomplete gear and the second incomplete gear, the connecting column drives the top block to intermittently leave the oil inlet, so that the oil inlet is opened for a period of time, then the top block returns to the oil inlet to close the oil inlet, so that the lubricating oil enters the connecting groove after a period of time, lubricates the spindle main body, and avoids the waste of lubricating oil. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is an internal structure schematic view of the utility model;

[0015] Figure 2 It is a three-dimensional structure schematic view of the utility model;

[0016] Figure 3 It is an internal structure schematic view of the fixed frame of the utility model;

[0017] Figure 4 It is a connecting column structure schematic view of the utility model;

[0018] Figure 5 It is a local structure schematic view of the utility model;

[0019] Figure 6 It is an enlarged structure schematic view of local part A of the utility model;

[0020] Figure 7 It is an enlarged structure schematic view of local part B of the utility model.

[0021] In the drawing: 1, spindle main body; 2, fixed shell; 3, oil storage tank; 4, rotating part; 5, connecting groove; 6, liquid level meter; 7, inlet; 8, fixed frame; 9, rotating shaft; 10, top block; 11, limit plate; 12, sliding groove; 13, first moving rod; 14, mounting box; 15, sliding rod; 16, spring; 17, first incomplete gear; 18, second incomplete gear; 19, second moving rod; 20, connecting plate; 21, mounting frame; 22, motor; 23, connecting column; 24, oil inlet. DETAILED DESCRIPTION

[0022] Clearly, the described embodiments are merely a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative efforts under the premise that no creative efforts are made, belong to the scope of protection of the present application.

[0023] Please refer to Figures 1-7 The utility model provides a technical scheme: a machine tool spindle automatic lubricating device, including spindle main body 1, the outside of spindle main body 1 is equipped with fixed shell 2, the inside of fixed shell 2 is equipped with connecting groove 5, the outside of spindle main body 1 is equipped with rotating part 4 at connecting groove 5, rotating part 4 rotates in connecting groove 5, the top of fixed shell 2 is fixedly connected with oil storage tank 3, and the oil storage tank 3 is used for storing lubricating oil, the inside of oil storage tank 3 is fixedly connected with fixed frame 8, the inside of fixed frame 8 is fixedly connected with installation box 14, the inside of installation box 14 is slidably connected with connecting column 23, the bottom of connecting column 23 passes through the bottom of installation box 14 and is fixedly connected with top block 10, top block 10 is located in the inside of oil inlet 24, connecting column 23 moves with oil inlet 24, the top of fixed frame 8 is rotatably connected with shaft 9, the bottom one side of shaft 9 is fixedly connected with first movable rod 13, shaft 9 rotates with first movable rod 13, the inside of connecting column 23 is equipped with sliding slot 12, the outside of first movable rod 13 is slidably connected with sliding slot 12, when first movable rod 13 moves in the inside of sliding slot 12, first movable rod 13 moves up and down, controls top block 10 to leave or enter oil inlet 24, controls lubricating oil to enter connecting groove 5 and lubricates spindle main body 1, the top of fixed shell 2 and oil storage tank 3 are equipped with oil inlet 24 between and below top block 10, better make the lubricating oil in oil storage tank 3 enter connecting groove 5 and lubricate spindle main body 1, the inside of installation box 14 is fixedly connected with slide 15, the outside of connecting column 23 is fixedly connected with limit board 11, the outside of slide 15 is slidably connected with limit board 11, connecting column 23 moves with limit board 11 along the outside of slide 15, keeps the stability of connecting column 23, the top of limit board 11 and connecting column 23 are fixedly connected with spring 16, limit board 11 extrudes spring 16, spring 16 generates elastic force when being extruded, under the action of elastic force, spring 16 restores to the original position with limit board 11 and connecting column 23.

[0024] Further, the top of shaft 9 passes through the top of oil storage tank 3 and is fixedly connected with first incomplete gear 17, first incomplete gear 17 rotates with shaft 9, and the side, away from shaft 9, of first incomplete gear 17 is fixedly connected with connecting plate 20.

[0025] Further, the top of the oil storage tank 3 is rotatably connected with a second incomplete gear 18, one side of the second incomplete gear 18 is meshingly connected with the first incomplete gear 17, and the second incomplete gear 18 rotates with the first incomplete gear 17.

[0026] Further, one side of the second incomplete gear 18 is fixedly connected with a second moving rod 19, the second incomplete gear 18 rotates with the second moving rod 19, and the second moving rod 19 pushes the connecting plate 20 when the second moving rod 19 contacts with the connecting plate 20, so that the connecting plate 20 rotates with the first incomplete gear 17.

[0027] Further, the top of the oil storage tank 3 is fixedly connected with a mounting frame 21, the top of the mounting frame 21 is fixedly connected with a motor 22, the output end of the motor 22 is fixedly connected with the center of one side of the second incomplete gear 18 through one side of the mounting frame 21, and the motor 22 rotates with the second incomplete gear 18 after being turned on.

[0028] Further, the inside of the oil storage tank 3 is provided with a liquid level gauge 6 to monitor the oil storage amount in the oil storage tank 3, and the top of the oil storage tank 3 is provided with an inlet 7 to better pour oil into the oil storage tank 3.

[0029] In use, first pour lubricating oil into the storage tank 3 through the inlet 7, start the motor 22, the motor 22 rotates with the second incomplete gear 18, the second incomplete gear 18 rotates with the second moving rod 19, the second moving rod 19 first contacts with the connecting plate 20, the second moving rod 19 moves with the connecting plate 20, the connecting plate 20 rotates with the first incomplete gear 17, when the side teeth of the second incomplete gear 18 and the first incomplete gear 17 contact, the second incomplete gear 18 rotates with the first incomplete gear 17, when the side teeth of the second incomplete gear 18 and the side teeth of the first incomplete gear 17 separate, the first incomplete gear 17 stops rotating, so the first incomplete gear 17 rotates with the rotating shaft 9 intermittently, the rotating shaft 9 rotates with the first moving rod 13 in the inside of the chute 12, the chute 12 is spiral, when the first moving rod 13 moves from the highest point to the lowest point of the chute 12, the connecting column 23 also moves upward gradually, the connecting column 23 moves upward with the top block 10 away from the oil inlet 24, after the oil inlet 24 loses the shelter, the lubricating oil in the storage tank 3 enters the connecting groove 5 through the oil inlet 24 to lubricate the main shaft body 1 under the action of gravity, the connecting column 23 moves with the limiting plate 11 along the outside of the slide rod 15 to press the spring 16, when the first moving rod 13 rotates to the lowest point of the chute 12, the spring 16 loses the pressing force, under the action of the elastic force, the spring 16 restores to the original position with the limiting plate 11 and the connecting column 23, at this time, the top block 10 returns to the inlet 7 to block the inlet 7, the first moving rod 13 returns to the highest point of the chute 12.

[0030] Meanwhile, the contents not described in detail in the specification all belong to the prior art known to those skilled in the art.

[0031] It should be noted that, in the present document, relational terms such as first and second and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, inclusion of an element in a list of elements does not exclude other identical elements not expressly listed or inherent to the process, method, article, or apparatus.

[0032] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. An automatic lubrication device for a machine tool spindle, comprising a spindle body (1), characterized in that: A fixed shell (2) is provided on the outside of the main shaft body (1). A connecting groove (5) is provided inside the fixed shell (2). A rotating part (4) is provided on the outside of the connecting groove (5) of the main shaft body (1). An oil storage tank (3) is fixedly connected to the top of the fixed shell (2). A fixed frame (8) is fixedly connected inside the oil storage tank (3). An installation box (14) is fixedly connected inside the fixed frame (8). A connecting column (23) is slidably connected inside the installation box (14). A top block (10) is fixedly connected to the bottom of the connecting column (23) through the bottom of the installation box (14). A rotating shaft (9) is rotatably connected to the top of the fixed frame (8). A first moving rod (13) is fixedly connected to one side of the bottom of the shaft (9). A sliding groove (12) is provided on the inner side of the top of the connecting column (23). The outer side of the first moving rod (13) is slidably connected to the sliding groove (12). An oil inlet (24) is provided between the top of the fixed shell (2) and the oil storage tank (3) and directly below the top block (10). A sliding rod (15) is symmetrically fixedly connected inside the mounting box (14). A limiting plate (11) is fixedly connected to the outer side of the connecting column (23). The outer side of the sliding rod (15) is slidably connected to the limiting plate (11). A spring (16) is fixedly connected between the top of the limiting plate (11) and the connecting column (23).

2. The automatic lubrication device for machine tool spindles according to claim 1, characterized in that: The top of the rotating shaft (9) is fixedly connected to the top of the oil tank (3) and a first incomplete gear (17) is fixedly connected to the side of the first incomplete gear (17) away from the rotating shaft (9) and a connecting plate (20) is fixedly connected to it.

3. The automatic lubrication device for machine tool spindles according to claim 2, characterized in that: The top of the oil tank (3) is rotatably connected to a second incomplete gear (18), and one side of the second incomplete gear (18) meshes with the first incomplete gear (17).

4. The automatic lubrication device for machine tool spindles according to claim 3, characterized in that: A second moving rod (19) is fixedly connected to one side of the second incomplete gear (18).

5. The automatic lubrication device for machine tool spindles according to claim 4, characterized in that: The top of the oil tank (3) is fixedly connected to a mounting bracket (21), and the top of the mounting bracket (21) is fixedly connected to a motor (22). The output end of the motor (22) passes through one side of the mounting bracket (21) and is fixedly connected to the center of one side of the second incomplete gear (18).

6. The automatic lubrication device for machine tool spindles according to claim 1, characterized in that: The oil storage tank (3) is equipped with a level gauge (6) inside, and an inlet (7) is opened on the top of the oil storage tank (3).

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