High-durability ball screw

Abstract

The utility model provides a ball screw with high durability, which relates to the technical field of ball screws, and comprises a screw rod, a lubricating device and a fixing device, a ball cylinder is sleeved on the arc surface of the screw rod, an oil injection hole is arranged on the arc surface of the ball cylinder, the lubricating device is arranged on the arc surface of the ball cylinder by the aid of the fixing device, and the fixing device is arranged on the ball cylinder. The lubricating device is used for adding a lubricating agent to a ball screw component, the lubricating device comprises an oil storage box, the oil storage box is installed on the surface of a ball cylinder through a fixing device, and an oil outlet nozzle is fixedly connected to the surface of one side of the oil storage box. Normal use and transmission of the lead screw component are not easily affected, so that the lead screw component is lubricated and protected more timely and effectively, the use effect and the transmission efficiency of the lead screw are improved, the service life of the lead screw component is prolonged, and the lead screw component is not easily damaged.

Description

TECHNICAL FIELD

[0001] The utility model relates to a ball screw technical field especially a high durability ball screw. BACKGROUND

[0002] Ball screw is an important mechanical element, mainly used for the movement transmission and positioning between mechanical parts, with the development of modern technology, ball screw has been widely applied.

[0003] The traditional ball screw is generally composed of a screw rod, a ball barrel and balls, and the balls replace the cooperation between threads and threads, when in use, the balls rotate in the ball barrel, making the ball barrel make linear motion on the arc surface of the screw rod, but it is found that the balls will rub with the screw rod during use, in order to protect the screw rod parts, the lubricating oil is applied, but the efficiency of the general staff applying the lubricating oil is reduced, and the normal mechanical operation of the screw rod parts is affected, and the transmission efficiency of the screw rod parts is reduced. SUMMARY

[0004] The utility model solves the technical problems that the balls will rub with the screw rod, in order to protect the screw rod parts, the lubricating oil is applied, but the efficiency of the general staff applying the lubricating oil is reduced, and the normal mechanical operation of the screw rod parts is affected, and the transmission efficiency of the screw rod parts is reduced.

[0005] The utility model adopts the technical scheme that a high durability ball screw, including screw rod, lubricating device and fixing device, the arc surface of screw rod is equipped with ball barrel, the arc surface of ball barrel is equipped with oil injection hole, lubricating device is installed on the arc surface of ball barrel with the help of fixing device, lubricating device adds lubricant on ball screw component.

[0006] The effect reached by the above-mentioned components is that when the ball screw is used for movement transmission and positioning between mechanical parts, the ball barrel will move under the driving of the screw rod, at this time, start the lubricating device, make the lubricating liquid enter the inner wall of the ball barrel by injecting into the oil injection hole with the help of the lubricating device.

[0007] Preferably, the lubricating device comprises an oil storage box, the oil storage box is installed on the surface of the ball barrel through a fixing device, one side surface of the oil storage box is fixedly connected with an oil outlet nozzle, the oil outlet nozzle is inserted with the inner wall of the oil injection hole, the inner wall of the oil storage box is slidably connected with a bottom plate, the surface of the bottom plate is rotatably connected with a screw rod, the circular surface of the screw rod is threadedly connected with a first gear, the inner wall of the oil storage box is fixedly connected with a mounting plate, the screw rod penetrates and inserts the mounting plate, the first gear is rotatably connected with the surface of the mounting plate, one side surface of the oil storage box is fixedly connected with a servo motor, the output end of the servo motor is fixedly connected with a second gear, and the first gear is engaged with the second gear.

[0008] The above-mentioned components achieve the effects that: the ball screw can more conveniently and quickly add lubricating liquid during use, the normal use and transmission of the screw component are not easily affected, the screw component is more timely and effectively lubricated and protected, the use effect and transmission efficiency of the screw are improved, the service life of the screw component is prolonged, and damage is not easily caused.

[0009] Preferably, a protective sleeve is sleeved on the circular surface of the output end of the servo motor, and the protective sleeve is fixedly connected with the surface of the servo motor.

[0010] The above-mentioned components achieve the effects that: through the arrangement of the protective sleeve, dust and impurities are not easily entered into the servo motor through the gap of the output end during use, the servo motor is not affected, and the normal use of the servo motor is affected.

[0011] Preferably, a bearing is fixedly connected with the circular surface of the screw rod, the inner ring of the bearing is fixedly connected with the screw rod, and the outer ring of the bearing is fixedly connected with the surface of the bottom plate.

[0012] The above-mentioned components achieve the effects that: through the arrangement of the bearing, the friction damage between the screw rod and the bottom plate is further reduced when rotating, and the normal use of the screw rod is ensured.

[0013] Preferably, an oil filling port is arranged in communication with the surface of the oil storage box, and a box cover is threadedly connected with the circular surface of the oil filling port.

[0014] The above-mentioned components achieve the effects that: through the arrangement of the oil filling port and the box cover, the lubricating oil in the oil storage box is more convenient to add, and the screw is more conveniently lubricated and protected.

[0015] Preferably, the fixing device comprises a rotating shaft fixedly connected with the arc surface of the ball barrel, a fixing ring rotatably connected on the arc surface of the rotating shaft, the fixing ring is clamped on the surface of the oil storage box, a fixing frame is fixedly connected on the arc surface of the ball barrel, the fixing ring is inserted with the inner wall of the fixing frame, a bolt is inserted through the surface of the fixing ring, and the bolt is screwed with the inner wall of the fixing frame.

[0016] The effect achieved by the above components is that the lubricating device can be more conveniently assembled during use, and the components of the lubricating device are convenient to maintain, thereby ensuring normal use of the lubricating device and improving the convenience of use of the lubricating device.

[0017] Preferably, the surface of the oil storage box is fixedly connected with a positioning frame, and the fixing ring is clamped with the inner wall of the positioning frame.

[0018] The effect achieved by the above components is that the positioning frame is arranged, so that the oil storage box is more stable when the fixing ring is clamped on the surface of the oil storage box, thereby improving the use effect of the fixing device.

[0019] Preferably, the inner wall of the positioning frame is fixedly connected with a positioning block, and the surface of the fixing ring is provided with a positioning hole, and the positioning block is inserted with the inner wall of the positioning hole.

[0020] The effect achieved by the above components is that the positioning hole and the positioning block are inserted, so that the fixing ring can be more stably clamped in the inner wall of the positioning frame, thereby better ensuring the position stability of the oil storage box.

[0021] The beneficial effects of the utility model are:

[0022] The ball screw of the utility model can more conveniently and quickly add lubricating liquid, is not prone to affecting normal use and transmission of the screw component, thereby more timely and effectively lubricating and protecting the screw component, improving use effect and transmission efficiency of the screw, prolonging service life of the screw component, and being not prone to damage. BRIEF DESCRIPTION OF DRAWINGS

[0023] The utility model is further described below in combination with the drawings and examples.

[0024] Figure 1 is the structure schematic diagram of the utility model;

[0025] Figure 2 is the structure schematic diagram of the lubricating device of the utility model;

[0026] Figure 3 is the side structure schematic diagram of the utility model Figure 2 ;

[0027] Figure 4It is the structure schematic view of the fixing device.

[0028] Legend: 1, lead screw; 2, ball barrel; 3, lubricating device; 31, oil storage box; 32, oil outlet nozzle; 33, bottom plate; 34, mounting plate; 35, first gear; 36, screw; 37, servo motor; 38, second gear; 39, protective sleeve; 310, oil filling port; 311, box cover; 312, bearing; 4, fixing device; 41, rotating shaft; 42, fixing ring; 43, fixed frame; 44, bolt; 45, positioning frame; 46, positioning block; 47, positioning hole; 5, oil injection hole. DETAILED DESCRIPTION

[0029] The utility model will be explained in further detail in combination with the drawings. These drawings are all simplified schematic views, and only illustrate the basic structure of the utility model in a schematic manner, so they only show the structure related to the utility model.

[0030] In the description of the utility model, it should be explained that, unless otherwise explicitly specified and limited, the terms "connected" and "connected" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0031] Figure 1 The utility model discloses a kind of high durability ball screw shown, including lead screw 1, lubricating device 3 and fixing device 4, lead screw 1 is sleeved with ball barrel 2 on the arc surface, oil injection hole 5 is set on the arc surface of ball barrel 2, lubricating device 3 is installed on the arc surface of ball barrel 2 by means of fixing device 4, lubricating device 3 adds lubricant on ball screw component, when ball screw is used in the movement transmission and positioning between mechanical parts, ball barrel 2 will be moved displacement under the driving of lead screw 1, at this time in the process of operation, lubricating device 3 is started, and lubricating liquid is injected into oil injection hole 5 in lubricating device 3, enters the inner wall of ball barrel 2.

[0032] Figure 1 、 Figure 2 and Figure 3The lubricating device 3 shown comprises an oil storage box 31 which is mounted on the surface of the ball barrel 2 by means of the fixing device 4, one side surface of the oil storage box 31 is fixedly connected with an oil outlet nozzle 32 which is inserted with the inner wall of the oil injection hole 5, the inner wall of the oil storage box 31 is slidingly connected with a bottom plate 33, the surface of the bottom plate 33 is rotatably connected with a screw rod 36, the circular arc surface of the screw rod 36 is threadedly connected with a first gear 35, the inner wall of the oil storage box 31 is fixedly connected with a mounting plate 34, the screw rod 36 is inserted through the mounting plate 34, the first gear 35 is rotatably connected with the surface of the mounting plate 34, one side surface of the oil storage box 31 is fixedly connected with a servo motor 37, the output end of the servo motor 37 is fixedly connected with a second gear 38, the first gear 35 is engaged with the second gear 38, when the ball screw is used for movement transmission and positioning between mechanical parts, the ball barrel 2 will move under the driving of the screw rod 1, at this time, the servo motor 37 on one side of the oil storage box 31 is started at irregular time during operation, so that the second gear 38 on the output end of the servo motor 37 rotates, because the screw rod 36 is threadedly assembled and connected with the first gear 35 on the mounting plate 34, and the first gear 35 is engaged with the second gear 38, so the screw rod 36 will slide on the surface of the mounting plate 34 under the driving of the first gear 35, thereby contacting and extruding the bottom plate 33 on the inner wall of the oil storage box 31, so that the bottom plate 33 slides on the inner wall of the oil storage box 31, extruding the lubricating oil stored in the oil storage box 31, so that the lubricating oil is extruded out of the oil outlet nozzle 32 and poured into the oil injection hole 5 and into the inside of the ball barrel 2, at this time, the ball screw can be more conveniently and quickly lubricated during use, without affecting the normal use and transmission of the screw part, so that the screw part is more timely and effectively lubricated, the use effect and transmission efficiency of the screw are improved, and the service life of the screw part is prolonged, without being easily damaged.

[0033] Figure 1 、 Figure 2 and Figure 3 The output end circular arc surface of the servo motor 37 is sleeved with a protective sleeve 39 which is fixedly connected with the surface of the servo motor 37, through the arrangement of the protective sleeve 39, dust and impurities are not easily entered into the inside of the servo motor 37 through the gap of the output end during use, so as to cause erosion and damage, and affect the normal use of the servo motor 37.

[0034] Figure 1 、 Figure 2 and Figure 3The arc surface of the screw rod 36 is fixedly connected with a bearing 312. The inner ring of the bearing 312 is fixedly connected with the screw rod 36, and the outer ring of the bearing 312 is fixedly connected with the surface of the bottom plate 33. Through the arrangement of the bearing 312, the friction damage between the screw rod 36 and the bottom plate 33 is further reduced when rotating, so as to ensure the normal use of the screw rod 36. The surface of the oil storage box 31 is communicatively provided with an oil filling port 310. The arc surface of the oil filling port 310 is threadedly connected with a box cover 311. Through the arrangement of the oil filling port 310 and the box cover 311, the lubricating oil in the oil storage box 31 is more convenient to add, so as to more conveniently lubricate and protect the lead screw.

[0035] Figure 1 and Figure 4 The fixing device 4 includes a rotating shaft 41 fixedly connected with the arc surface of the ball barrel 2. The arc surface of the rotating shaft 41 is rotatably connected with a fixing ring 42. The fixing ring 42 is clamped on the surface of the oil storage box 31. The arc surface of the ball barrel 2 is fixedly connected with a fixing frame 43. The fixing ring 42 is inserted with the inner wall of the fixing frame 43. The surface of the fixing ring 42 is inserted with a bolt 44. The bolt 44 is threadedly connected with the inner wall of the fixing frame 43. When the fixing device 4 is used to install and fix the lubricating device 3, the oil storage box 31 is first attached to the surface of the ball barrel 2. Then the fixing ring 42 is rotated on the arc surface of the rotating shaft 41 fixedly connected with the surface of the ball barrel 2 until the fixing ring 42 is in contact with and pressed on the surface of the oil storage box 31. The side surface of the fixing ring 42 is clamped in the inner wall of the fixing frame 43 fixedly connected with the surface of the ball barrel 2. Then the bolt 44 is inserted through the surface of the fixing ring 42, so that the bolt 44 is threadedly connected with the inner wall of the fixing frame 43, so that the position of the fixing ring 42 is fixed. At this time, the lubricating device 3 can be more conveniently assembled when in use, and the parts of the lubricating device 3 can be conveniently overhauled and maintained, so as to ensure the normal use of the lubricating device 3 and improve the convenience of use of the lubricating device 3.

[0036] Figure 1 and Figure 4 The surface of the oil storage box 31 is fixedly connected with a positioning frame 45. The fixing ring 42 is clamped with the inner wall of the positioning frame 45. Through the arrangement of the positioning frame 45, when the fixing ring 42 is clamped on the surface of the oil storage box 31, the oil storage box 31 is more stably assembled, so as to improve the use effect of the fixing device 4. The inner wall of the positioning frame 45 is fixedly connected with a positioning block 46. The surface of the fixing ring 42 is provided with a positioning hole 47. The positioning block 46 is inserted with the inner wall of the positioning hole 47. Through the insertion of the positioning hole 47 and the positioning block 46, the fixing ring 42 can be more stably clamped in the inner wall of the positioning frame 45, so as to better ensure the position stability of the oil storage box 31.

[0037] Working principle: when the ball screw is used in the transmission and positioning between mechanical parts, the ball barrel 2 will move under the driving of the screw rod 1, at this time, the servo motor 37 on one side of the oil storage box 31 is started at irregular intervals during operation, so that the second gear 38 on the output end of the servo motor 37 rotates, because the screw rod 36 is threadedly connected with the first gear 35 on the mounting plate 34, and the first gear 35 and the second gear 38 are meshed with each other, so the screw rod 36 will slide on the surface of the mounting plate 34 under the driving of the first gear 35, thereby contacting and extruding the bottom plate 33 of the inner wall of the oil storage box 31, so that the bottom plate 33 slides on the inner wall of the oil storage box 31, extruding the lubricating oil stored in the oil storage box 31, so that the lubricating oil is squeezed out of the oil nozzle 32 and is filled into the oil injection hole 5 and enters the inside of the ball barrel 2. At this time, the ball screw can be more convenient and fast to add lubricating liquid during use, and the normal use and transmission of the screw rod part are not easily affected, so that the screw rod part can be more timely and effectively lubricated and protected, the use effect and transmission efficiency of the screw rod are improved, and the service life of the screw rod part is prolonged, and damage is not easily caused.

[0038] When the fixing device 4 is used to install and fix the lubricating device 3, first, the oil storage box 31 is attached to the surface of the ball barrel 2, then the fixing ring 42 is rotated, the fixing ring 42 is rotated on the circular surface of the rotating shaft 41 fixedly connected to the surface of the ball barrel 2, until the fixing ring 42 contacts and extrudes the surface of the oil storage box 31, and the side surface of the fixing ring 42 is clamped in the inner wall of the fixed frame 43 fixedly connected to the surface of the ball barrel 2, then the bolt 44 penetrates the surface of the fixing ring 42, the bolt 44 is threadedly connected to the inner wall of the fixed frame 43, so that the position of the fixing ring 42 is fixed, at this time, the lubricating device 3 can be more conveniently assembled during use, and the parts of the lubricating device 3 can be conveniently overhauled and maintained, so that the normal use of the lubricating device 3 is ensured, and the convenience of use of the lubricating device 3 is improved.

[0039] Based on the above ideal embodiment of the present application, through the above description, relevant personnel can make various changes and modifications without deviating from the technical idea of the present application. The technical scope of the present application is not limited to the contents in the specification, and must be determined according to the scope of claims.

Claims

1. A high-durability ball screw, comprising a screw (1), a lubrication device (3), and a fixing device (4), characterized in that: A ball cylinder (2) is fitted on the arc surface of the lead screw (1). An oil injection hole (5) is opened on the arc surface of the ball cylinder (2). The lubrication device (3) is installed on the arc surface of the ball cylinder (2) by means of a fixing device (4). The lubrication device (3) adds lubricant to the ball screw component.

2. The high-durability ball screw according to claim 1, characterized in that: The lubrication device (3) includes an oil reservoir (31), which is mounted on the surface of the ball cylinder (2) by means of a fixing device (4). An oil outlet (32) is fixedly connected to one side surface of the oil reservoir (31), and the oil outlet (32) is inserted into the inner wall of the oil injection hole (5). A base plate (33) is slidably connected to the inner wall of the oil reservoir (31), and a screw (36) is rotatably connected to the surface of the base plate (33). The screw (36) has threads on its arc surface. A first gear (35) is connected to the inner wall of the oil storage box (31), and an mounting plate (34) is fixedly connected to it. The screw (36) is inserted through the mounting plate (34). The first gear (35) is rotatably connected to the surface of the mounting plate (34). A servo motor (37) is fixedly connected to one side surface of the oil storage box (31). A second gear (38) is fixedly connected to the output end of the servo motor (37). The first gear (35) and the second gear (38) mesh with each other.

3. A high-durability ball screw according to claim 2, characterized in that: A protective sleeve (39) is fitted on the arc surface of the output end of the servo motor (37), and the protective sleeve (39) is fixedly connected to the surface of the servo motor (37).

4. A high-durability ball screw according to claim 2, characterized in that: A bearing (312) is fixedly connected to the arc surface of the screw (36). The inner ring of the bearing (312) is fixedly connected to the screw (36), and the outer ring of the bearing (312) is fixedly connected to the surface of the base plate (33).

5. A high-durability ball screw according to claim 2, characterized in that: The surface of the oil storage box (31) is provided with an oil filling port (310), and the arc surface of the oil filling port (310) is threadedly connected to a box cover (311).

6. A high-durability ball screw according to claim 1, characterized in that: The fixing device (4) includes a rotating shaft (41), which is fixedly connected to the arc surface of the ball cylinder (2). A fixing ring (42) is rotatably connected to the arc surface of the rotating shaft (41). The fixing ring (42) is snapped onto the surface of the oil storage box (31). A fixing frame (43) is fixedly connected to the arc surface of the ball cylinder (2). The fixing ring (42) is inserted into the inner wall of the fixing frame (43). A bolt (44) is inserted through the surface of the fixing ring (42). The bolt (44) is threadedly connected to the inner wall of the fixing frame (43).

7. A high-durability ball screw according to claim 6, characterized in that: A positioning frame (45) is fixedly connected to the surface of the oil storage box (31), and the fixing ring (42) is engaged with the inner wall of the positioning frame (45).

8. A high-durability ball screw according to claim 7, characterized in that: The inner wall of the positioning frame (45) is fixedly connected to a positioning block (46), and the surface of the fixing ring (42) is provided with a positioning hole (47), and the positioning block (46) is inserted into the inner wall of the positioning hole (47).

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