Ball screw oil feeding device

Abstract

The utility model relates to the technical field of ball screws, in particular to a ball screw oil feeding device which comprises a screw body, a nut is arranged on the screw body, a ball is arranged in the nut, an oil storage tank is fixedly arranged on the nut, an oil inlet pipe is arranged on the oil storage tank in a communicated mode, a top cover is connected to the oil inlet pipe in a threaded mode, and an oil outlet pipe is arranged on the top cover. The top cover is provided with a vent hole, the nut is provided with a convenient oil feeding assembly used for feeding oil to the ball, the top cover is in threaded connection with the oil inlet pipe, the top cover and the oil inlet pipe can be conveniently separated, and lubricating oil can be conveniently added into the oil storage tank from the oil inlet pipe. When the piston plate moves downwards, oil in the oil storage tank can be pumped into the column body through the oil guide pipe, when the piston plate moves downwards, the oil in the column body can be conveyed into the liquid distribution pipe through the liquid outlet pipe, the oil flows out of the oil outlet hole to lubricate the ball, automatic oil feeding can be achieved, and convenience is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of ball screws, and specifically relates to a ball screw oil feeding device. Background Technique

[0002] A ball screw is an ideal product for converting rotary motion into linear motion or vice versa. A ball screw is a common transmission component in automated equipment, and its performance and lifespan largely depend on the lubrication condition. Regularly lubricating the ball screw can reduce friction, lower wear, improve transmission efficiency, extend the service life, and also reduce noise and heat generation. In the prior art, an oil dropping bottle or a lubricating gun is generally used for oiling, and the lubricating oil is directly dropped onto the surface of the ball screw. This process requires manual operation, which is time-consuming and laborious, and has low efficiency. Therefore, the utility model proposes a ball screw oil feeding device to solve the above problems. Content of the Utility Model

[0003] The purpose of the utility model is to provide a ball screw oil feeding device to solve the problems raised in the above background technique.

[0004] To achieve the above purpose, the utility model provides the following technical solution: A ball screw oil feeding device, including a screw body, a nut is arranged on the screw body, balls are arranged inside the nut, an oil storage tank is fixedly arranged on the nut, an oil inlet pipe is communicated with the oil storage tank, a top cover is threadedly connected to the oil inlet pipe, a ventilation hole is arranged on the top cover, and a convenient oil feeding component for oiling the balls is arranged on the nut. The convenient oil feeding component includes an oil guide pipe, one end of the oil guide pipe is communicated with the oil storage tank, and the other end of the oil guide pipe is communicated with a cylinder.

[0005] Preferably, the convenient oil feeding component further includes a one-way liquid inlet valve, a piston plate, an electric telescopic rod, a connecting plate, a sliding limiting rod, a liquid outlet pipe, a one-way liquid outlet valve, a liquid distribution pipe, and an oil outlet hole. The one-way liquid inlet valve is arranged on the oil guide pipe.

[0006] Preferably, the cylinder is fixedly installed on the nut, the piston plate is slidably connected inside the cylinder, and the sliding limiting rod is fixedly installed at the upper end of the piston plate.

[0007] Preferably, the upper end of the sliding limiting rod extends out of the cylinder and is fixedly connected to the connecting plate. The sliding limiting rod is slidably connected with the cylinder, and the upper end of the cylinder is fixedly connected with an electric telescopic rod.

[0008] Preferably, the output end of the electric telescopic rod is fixedly connected to the lower end of the connecting plate. The lower end of the cylinder is communicated with a liquid outlet pipe, and the one-way liquid outlet valve is arranged on the liquid outlet pipe.

[0009] Preferably, a liquid separation pipe is connected to the lower end of the liquid outlet pipe. The liquid separation pipe is fixedly installed inside the nut, and a plurality of oil outlet holes are formed on one side of the liquid separation pipe close to the ball.

[0010] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0011] The top cover and the oil inlet pipe are threadedly connected, which is convenient for separating the top cover and the oil inlet pipe, and convenient for adding lubricating oil into the storage tank through the oil inlet pipe. By providing a convenient oil supply assembly, when the piston plate moves upward, the oil in the storage tank can be pumped into the cylinder through the guide pipe, and when the piston plate moves downward, the oil in the cylinder can be transported into the liquid separation pipe through the liquid outlet pipe, and the oil flows out from the oil outlet holes to lubricate the ball, realizing automatic oil supply and improving convenience. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a schematic diagram of the overall structure of the present utility model.

[0013] Figure 2 It is a schematic diagram of the structure of the convenient oil supply assembly of the present utility model.

[0014] Figure 3 It is a schematic diagram of the structure of another perspective of the present utility model.

[0015] Figure 4 It is a schematic diagram of the internal structure of the present utility model.

[0016] In the figure: 1, lead screw body; 2, nut; 3, ball; 4, storage tank; 5, oil inlet pipe; 6, top cover; 7, convenient oil supply assembly; 71, guide pipe; 72, one-way liquid inlet valve; 73, cylinder; 74, piston plate; 75, electric telescopic rod; 76, connecting plate; 77, sliding limit rod; 78, liquid outlet pipe; 79, one-way liquid outlet valve; 710, liquid separation pipe; 711, oil outlet hole. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0017] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all of the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0018] Please refer to Figures 1 to 4, the present utility model provides a technical solution: a ball screw oil supply device, including a screw body 1, a nut 2 is arranged on the screw body 1, and balls 3 are arranged inside the nut 2. The screw body 1, the nut 2 and the balls 3 are all existing prior arts and will not be elaborated here. A fuel tank 4 is fixedly arranged on the nut 2, an oil inlet pipe 5 is communicated with the fuel tank 4, a top cover 6 is threadedly connected to the oil inlet pipe 5, and a vent hole is arranged on the top cover 6. The vent hole can make the pressure inside and outside the fuel tank 4 consistent, facilitating the oil in the fuel tank 4 to enter the cylinder 73. A convenient oil supply assembly 7 for oiling the balls 3 is arranged on the nut 2. The convenient oil supply assembly 7 includes an oil guide pipe 71. One end of the oil guide pipe 71 is communicated with the fuel tank 4, and the other end of the oil guide pipe 71 is communicated with a cylinder 73. The top cover 6 and the oil inlet pipe 5 are threadedly connected, which is convenient to separate the top cover 6 and the oil inlet pipe 5 and convenient to add lubricating oil into the fuel tank 4 from the oil inlet pipe 5. By arranging the convenient oil supply assembly 7, when the piston plate 74 moves upward, the oil in the fuel tank 4 can be pumped into the cylinder 73 through the oil guide pipe 71. When the piston plate 74 moves downward, the oil in the cylinder 73 can be transported into the liquid distribution pipe 710 through the liquid outlet pipe 78, and the oil flows out from the oil outlet holes 711 to lubricate the balls 3, realizing automatic oil supply and improving convenience.

[0019] The convenient oil supply assembly 7 further includes a one-way inlet valve 72, a piston plate 74, an electric telescopic rod 75, a connecting plate 76, a sliding limit rod 77, a liquid outlet pipe 78, a one-way outlet valve 79, a liquid distribution pipe 710 and oil outlet holes 711. A one-way inlet valve 72 is arranged on the oil guide pipe 71. The cylinder 73 is fixedly installed on the nut 2. A piston plate 74 is slidably connected inside the cylinder 73. The upper end of the piston plate 74 is fixedly installed with a sliding limit rod 77. The upper end of the sliding limit rod 77 extends out of the cylinder 73 and is fixedly connected with the connecting plate 76. The sliding limit rod 77 is slidably connected with the cylinder 73. The upper end of the cylinder 73 is fixedly connected with an electric telescopic rod 75. The output end of the electric telescopic rod 75 is fixedly connected with the lower end of the connecting plate 76. The lower end of the cylinder 73 is communicated with a liquid outlet pipe 78. A one-way outlet valve 79 is arranged on the liquid outlet pipe 78. The lower end of the liquid outlet pipe 78 is communicated with a liquid distribution pipe 710. The liquid distribution pipe 710 is fixedly installed inside the nut 2. A plurality of oil outlet holes �11 are arranged on one side of the liquid distribution pipe 710 close to the balls 3. By starting the electric telescopic rod 75, the electric telescopic rod 75 drives the connecting plate 76 to reciprocate, and then drives the piston plate 74 to reciprocate in the cylinder 73 through the sliding limit rod 77. When the piston plate 74 moves upward, the oil in the fuel tank 4 can be pumped into the cylinder 73 through the oil guide pipe 71. When the piston plate 74 moves downward, the oil in the cylinder 73 can be transported into the liquid distribution pipe 710 through the liquid outlet pipe 78, and the oil flows out from the oil outlet holes 711 to lubricate the balls 3.

[0020] Working principle: The top cover 6 is threadedly connected to the oil inlet pipe 5. By rotating the top cover 6, it is convenient to separate the top cover 6 from the oil inlet pipe 5, and it is convenient to add lubricating oil into the oil storage tank 4 through the oil inlet pipe 5. When it is necessary to lubricate the ball 3, by starting the electric telescopic rod 75, the electric telescopic rod 75 drives the connecting plate 76 to reciprocate, and then drives the piston plate 74 to reciprocate in the cylinder 73 through the sliding limit rod 77. When the piston plate 74 moves upward, the oil in the oil storage tank 4 can be pumped into the cylinder 73 through the guide pipe 71. When the piston plate 74 moves downward, the oil in the cylinder 73 can be transported into the liquid distribution pipe 710 through the liquid outlet pipe 78, and the oil flows out from the oil outlet hole 711 to lubricate the ball 3, improving the convenience.

[0021] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principle and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A ball screw lubricating device, comprising a screw body (1), characterized in that: A nut (2) is arranged on the lead screw body (1). A ball (3) is arranged inside the nut (2). A fuel storage tank (4) is fixedly arranged on the nut (2). An oil inlet pipe (5) is communicated with the fuel storage tank (4). A top cover (6) is threadedly connected to the oil inlet pipe (5). A vent hole is arranged on the top cover (6). A convenient oil feeding assembly (7) for feeding oil to the ball (3) is arranged on the nut (2). The convenient oil feeding assembly (7) includes an oil guiding pipe (71). One end of the oil guiding pipe (71) is communicated with the fuel storage tank (4), and the other end of the oil guiding pipe (71) is communicated with a cylinder body (73).

2. The ball screw lubrication device according to claim 1, characterized in that: The convenient oil feeding assembly (7) further includes a one-way liquid inlet valve (72), a piston plate (74), an electric telescopic rod (75), a connecting plate (76), a sliding limiting rod (77), a liquid outlet pipe (78), a one-way liquid outlet valve (79), a liquid distribution pipe (710), and an oil outlet hole (711). A one-way liquid inlet valve (72) is arranged on the oil guiding pipe (71).

3. A ball screw lubrication device according to claim 2, characterized in that: The cylinder body (73) is fixedly installed on the nut (2). A piston plate (74) is slidably connected inside the cylinder body (73). A sliding limiting rod (77) is fixedly installed at the upper end of the piston plate (74).

4. A ball screw lubrication device according to claim 3, characterized in that: The upper end of the sliding limiting rod (77) extends out of the cylinder body (73) and is fixedly connected to the connecting plate (76). The sliding limiting rod (77) is slidably connected with the cylinder body (73). The upper end of the cylinder body (73) is fixedly connected to an electric telescopic rod (75).

5. The ball screw lubricating device according to claim 4, characterized in that: The output end of the electric telescopic rod (75) is fixedly connected to the lower end of the connecting plate (76). The lower end of the cylinder body (73) is communicated with a liquid outlet pipe (78). A one-way liquid outlet valve (79) is arranged on the liquid outlet pipe (78).

6. The grease feeding device for ball screw according to claim 5, characterized in that: The lower end of the liquid outlet pipe (78) is communicated with a liquid distribution pipe (710). The liquid distribution pipe (710) is fixedly installed inside the nut (2). A plurality of oil outlet holes (711) are formed on one side of the liquid distribution pipe (710) close to the ball (3).

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