Ball screw capable of automatically adding lubricating oil

Abstract

The utility model discloses a ball screw capable of automatically adding lubricating oil, and relates to the technical field of ball screws. The ball screw comprises a ball screw body, connecting rods are rotationally connected to the two sides of the ball screw body, a screw nut is rotationally connected to the ball screw body in a threaded mode, a mounting base is arranged on the side, away from the ball screw body, of each connecting rod, and a quick dismounting and mounting device is arranged on each mounting base. When connecting rods on the two sides of a ball screw body are mounted on a mounting seat, an air bag is extruded through the connecting rods, air in the air bag can be conveyed into an air pressure cabin through an air conveying pipe, the air pressure cabin drives an air pressure rod and a fixing clamp to move after the air is injected into the air pressure cabin, and the fixing clamp can effectively fix the exterior of the connecting rod; and during disassembly, the exhaust valve is opened, the fixing state of the exterior of the connecting rod can be relieved, and the practicability is high.

Description

Technical Field

[0001] The utility model belongs to the technical field of ball screws, in particular to a ball screw capable of automatically adding lubricating oil. Background Art

[0002] Ball screws are commonly used in cigarette factory wire-making machines such as pack openers and wire cutters to achieve reciprocating linear motion of the equipment. They are one of the most accurate motion devices in current transmission machinery. In order to ensure operating accuracy and reduce friction, ball screws need to be frequently lubricated with oil or grease.

[0003] According to a ball screw that is easy to add lubricating oil (publication number: CN 210859720 U), comprising a screw body, a screw nut, an end cover and two groups of locating seats, the screw body is provided with a ball slideway surrounding its outer wall, the screw nut and the end cover are both arranged on the outer wall of the screw body, the screw nut and the end cover are welded and fixed on the two sides facing each other, the screw nut is provided with a cleaning groove running through its side wall, and an arc block fixedly engaged with it is installed in the cleaning groove; the end cover is provided with an oil filling hole running through its side wall, and a sealing ring connected to the outer wall of the screw body is fixedly bonded to the inner side wall of the screw nut. In the above application, a cleaning groove, an engaging groove, an arc block, a protruding piece and a first bolt are provided, and the arc block can be taken out of the cleaning groove by removing the two groups of first bolts, so that it is convenient for personnel to clean the ball inside the screw nut and make the ball run smoother. However, the above application is not convenient for quick disassembly and assembly, and still needs to be lubricated manually when lubrication is needed, so it is not practical. Utility Model Content

[0004] The utility model aims to provide a ball screw capable of automatically adding lubricating oil, which solves the existing problems through a quick disassembly and assembly device and an automatic lubrication device.

[0005] In order to solve the above technical problems, the utility model is realized by the following technical solutions:

[0006] The utility model discloses a ball screw capable of automatically adding lubricating oil, comprising a ball screw body, connecting rods are rotatably connected to both sides of the ball screw body, a screw nut is rotatably connected to the ball screw body through threads, a mounting seat is arranged on the side of the connecting rod away from the ball screw body, a quick disassembly device is arranged on the mounting seat, and an automatic lubrication device is arranged on the screw nut;

[0007] The quick disassembly and assembly device includes a limit block, an air bag is arranged on the inner side of the limit block, an air inlet pipe and an air supply pipe are fixedly connected to the side of the air bag, a side of the air supply pipe away from the air bag is fixedly connected to an air pressure cabin, a side of the air pressure cabin is slidably connected to an air pressure rod, a side of the air pressure rod away from the air pressure cabin is fixedly connected to a fixing clamp, and a side of the air pressure cabin away from the air pressure rod is provided with an exhaust valve.

[0008] Furthermore, the shape of the mounting seat is set to be T-shaped, and a mounting hole is opened on the mounting seat, so that the mounting seat can effectively install the ball screw body.

[0009] Furthermore, the shape of the limit block is set to be a circular ring, the size of the limit block is adapted to the size of the connecting rod, and the side of the limit block is fixedly connected with a mounting seat, so that the limit block can effectively limit the connecting rod.

[0010] Furthermore, the air pressure chamber is fixedly connected to the side of the mounting seat, and the fixing clamp is made of rubber with strong friction. After the air pressure chamber is injected with gas, the air pressure rod and the fixing clamp will be driven to move.

[0011] Furthermore, the automatic lubrication device comprises an oil storage block, on which a nozzle and a leather plug are provided, and the automatic lubrication device can effectively lubricate the lead screw nut.

[0012] Furthermore, the oil storage block is fixedly connected to both sides of the lead screw nut, the interior of the oil storage block is set to be in a hollow state, and an oil filling hole is opened on the oil storage block, so that the oil storage block can effectively store lubricating oil.

[0013] Furthermore, the number of the nozzles is set to six, the leather plug is set at the oil filling hole, the material of the leather plug is rubber with strong sealing performance, and the nozzle can effectively spray out the lubricating oil.

[0014] The utility model has the following beneficial effects:

[0015] 1. The utility model uses a quick disassembly and assembly device, which can squeeze the airbag through the connecting rod when the connecting rods on both sides of the ball screw body are installed on the mounting seat. The airbag will transport the internal gas to the inside of the air pressure chamber through the air pipe. After the air is injected into the air pressure chamber, the air pressure rod and the fixing clamp will move. The fixing clamp can effectively fix the outside of the connecting rod to complete the quick installation. When disassembling, the exhaust valve can be opened to release the fixing state of the outside of the connecting rod, which is very practical.

[0016] 2. The utility model uses an automatic lubrication device to drive the oil storage block to rotate when the screw nut rotates. Under the action of the centrifugal force of rotation, the oil storage block will spray the lubricating oil stored inside from the nozzle to lubricate the screw nut, which can effectively reduce the degree of wear between the screw nut and the ball screw body, and further enhance the practicality of the entire device.

[0017] Of course, any product implementing the present invention does not necessarily need to achieve all of the advantages described above at the same time. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for describing the embodiments are 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 creative work.

[0019] Figure 1 It is a schematic diagram of the three-dimensional appearance structure of the utility model;

[0020] Figure 2 It is a three-dimensional side structural schematic diagram of the utility model;

[0021] Figure 3 It is a schematic diagram of the three-dimensional cross-sectional structure of the utility model;

[0022] Figure 4 It is an enlarged structural diagram of the quick disassembly and assembly device of the utility model;

[0023] Figure 5 It is an enlarged structural schematic diagram of the automatic lubrication device of the utility model.

[0024] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0025] 1. Ball screw body; 2. Connecting rod; 3. Screw nut; 4. Mounting seat; 5. Quick disassembly and assembly device; 51. Limit block; 52. Air bag; 53. Inlet pipe; 54. Air supply pipe; 55. Air pressure chamber; 56. Air pressure rod; 57. Fixing clamp; 58. Exhaust valve; 6. Automatic lubrication device; 61. Oil storage block; 62. Nozzle; 63. Leather plug. DETAILED DESCRIPTION

[0026] 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 of 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.

[0027] See also Figure 1-5 The utility model is a ball screw capable of automatically adding lubricating oil, comprising a ball screw body 1, connecting rods 2 are rotatably connected to both sides of the ball screw body 1, a screw nut 3 is rotatably connected to the ball screw body 1, a mounting seat 4 is arranged on the side of the connecting rod 2 away from the ball screw body 1, a quick disassembly device 5 is arranged on the mounting seat 4, and an automatic lubrication device 6 is arranged on the screw nut 3;

[0028] The quick disassembly and assembly device 5 includes a limit block 51, an air bag 52 is arranged on the inner side of the limit block 51, an air inlet pipe 53 and an air supply pipe 54 are fixedly connected to the side of the air bag 52, a side of the air supply pipe 54 away from the air bag 52 is fixedly connected to an air pressure cabin 55, a side of the air pressure cabin 55 is slidably connected to an air pressure rod 56, a side of the air pressure rod 56 away from the air pressure cabin 55 is fixedly connected to a fixing clamp 57, and a side of the air pressure cabin 55 away from the air pressure rod 56 is provided with an exhaust valve 58.

[0029] The shape of the mounting seat 4 is set to be T-shaped, and a mounting hole is opened on the mounting seat 4. The mounting seat 4 can effectively mount the ball screw body 1.

[0030] The shape of the limit block 51 is set to be annular, and the size of the limit block 51 is adapted to the size of the connecting rod 2. The side of the limit block 51 is fixedly connected with the mounting seat 4, and the limit block 51 can effectively limit the connecting rod 2.

[0031] The air pressure chamber 55 is fixedly connected to the side of the mounting seat 4. The material of the fixing clamp 57 is rubber with strong friction. After the air pressure chamber 55 is injected with gas, the air pressure rod 56 and the fixing clamp 57 will be driven to move.

[0032] The automatic lubricating device 6 comprises an oil storage block 61 , on which a nozzle 62 and a leather plug 63 are provided. The automatic lubricating device 6 can effectively lubricate the lead screw nut 3 .

[0033] The oil storage block 61 is fixedly connected to both sides of the lead screw nut 3 , the interior of the oil storage block 61 is set to be in a hollow state, and an oil filling hole is opened on the oil storage block 61 , so that the oil storage block 61 can effectively store lubricating oil.

[0034] There are six nozzles 62 , and a leather plug 63 is arranged at the oil filling hole. The material of the leather plug 63 is rubber with strong sealing performance. The nozzle 62 can effectively spray out the lubricating oil.

[0035] The utility model can use the quick disassembly and assembly device 5 to squeeze the airbag 52 through the connecting rod 2 when the connecting rods 2 on both sides of the ball screw body 1 are installed on the mounting seat 4. The airbag 52 will transport the internal gas to the inside of the air pressure chamber 55 through the air pipe 54. After the air is injected into the air pressure chamber 55, the air pressure rod 56 and the fixing clamp 57 will move. The fixing clamp 57 can effectively fix the outside of the connecting rod 2 to complete the quick installation. When disassembling, the exhaust valve 58 can be opened to release the fixing state of the outside of the connecting rod 2, which is very practical. The utility model can use the automatic lubrication device 6 to drive the oil storage block 61 to rotate through the screw nut 3 when the screw nut 3 rotates. The oil storage block 61 will spray the lubricating oil stored inside from the nozzle 62 under the action of the centrifugal force of the rotation to lubricate the screw nut 3, which can effectively reduce the wear between the screw nut 3 and the ball screw body 1, further enhancing the practicality of the entire device.

[0036] A specific application of this embodiment is: first, the connecting rods 2 on both sides of the ball screw body 1 are installed on the mounting seat 4, the connecting rods 2 will enter the inner side of the limit block 51, and the connecting rods 2 will squeeze the airbag 52. After being squeezed, the airbag 52 will transport the internal gas to the inside of the air pressure chamber 55 through the air pipe 54. After the air pressure chamber 55 is injected with gas, it will drive the air pressure rod 56 and the fixing clamp 57 to fix the outside of the connecting rod 2, and the installation of the ball screw body 1 is completed. When the ball screw body 1 needs to be disassembled, open the exhaust valve 58, the gas in the air pressure chamber 55 will be discharged, and the air pressure rod 56 and the fixing clamp 57 will return to their original positions without the drive of gas, releasing the fixing state of the outside of the connecting rod 2. State, after the ball screw body 1 is removed, the airbag 52 will allow external gas to enter its interior through the air inlet pipe 53, so that it will restore its expanded state, which is convenient for continued use next time. It is very practical. The screw nut 3 will rotate when it is working, and the screw nut 3 will drive the oil storage block 61 to rotate synchronously. When the oil storage block 61 rotates, centrifugal force will be generated to spray the internal lubricating oil from the nozzle 62 to lubricate the screw nut 3 and the ball screw body 1, thereby reducing the degree of wear between the screw nut 3 and the ball screw body 1. After the lubricating oil in the oil storage block 61 is used up, the leather plug 63 can be removed and the lubricating oil can be injected into the interior of the oil storage block 61, thereby further enhancing the practicality of the entire device.

[0037] In the description of this specification, the description with reference to the terms "one embodiment", "example", "specific example", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0038] The preferred embodiments of the utility model disclosed above are only used to help explain the utility model. The preferred embodiments do not describe all the details in detail, nor do they limit the utility model to the specific implementation methods described. Obviously, many modifications and changes can be made according to the content of this specification. This specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the utility model, so that technicians in the relevant technical field can well understand and use the utility model. The utility model is limited only by the claims and their full scope and equivalents.

Claims

1. A ball screw capable of automatically adding lubricating oil, comprising a ball screw body (1), characterized in that: The two sides of the ball screw body (1) are rotatably connected to connecting rods (2), the ball screw body (1) is threadedly rotatably connected to a screw nut (3), a mounting seat (4) is provided on the side of the connecting rod (2) away from the ball screw body (1), a quick disassembly device (5) is provided on the mounting seat (4), and an automatic lubrication device (6) is provided on the screw nut (3); The quick disassembly and assembly device (5) comprises a limit block (51), an air bag (52) is arranged on the inner side of the limit block (51), an air intake pipe (53) and an air supply pipe (54) are fixedly connected to the side of the air bag (52), a side of the air supply pipe (54) away from the air bag (52) is fixedly connected to a pressure chamber (55), a side of the pressure chamber (55) is slidably connected to a pressure rod (56), a side of the pressure rod (56) away from the pressure chamber (55) is fixedly connected to a fixing clamp (57), and a side of the pressure chamber (55) away from the pressure rod (56) is provided with an exhaust valve (58).

2. A ball screw capable of automatically adding lubricating oil according to claim 1, characterized in that: The shape of the mounting seat (4) is set to be T-shaped, and a mounting hole is opened on the mounting seat (4).

3. A ball screw capable of automatically adding lubricating oil according to claim 2, characterized in that: The shape of the limit block (51) is set to be annular, the size of the limit block (51) is adapted to the size of the connecting rod (2), and the side of the limit block (51) is fixedly connected to a mounting seat (4).

4. A ball screw capable of automatically adding lubricating oil according to claim 3, characterized in that: The air pressure cabin (55) is fixedly connected to the side of the mounting seat (4), and the fixing clip (57) is made of rubber with strong friction.

5. A ball screw capable of automatically adding lubricating oil according to claim 4, characterized in that: The automatic lubrication device (6) comprises an oil storage block (61), and a nozzle (62) and a leather plug (63) are arranged on the oil storage block (61).

6. A ball screw capable of automatically adding lubricating oil according to claim 5, characterized in that: The oil storage block (61) is fixedly connected to both sides of the lead screw nut (3); the interior of the oil storage block (61) is arranged in a hollow state; and an oil filling hole is provided on the oil storage block (61).

7. A ball screw capable of automatically adding lubricating oil according to claim 6, characterized in that: The number of the spray heads (62) is six, and the leather plug (63) is arranged at the oil filling hole. The material of the leather plug (63) is rubber with strong sealing performance.

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