Self-lubricating lead screw module

Abstract

The utility model relates to the technical field of lead screw modules, and discloses a self-lubricating lead screw module which comprises a main body mechanism and an auxiliary mechanism, the auxiliary mechanism is located at the outer end of the main body mechanism, the main body mechanism comprises a servo motor, a fixing frame and a ball screw, the fixing frame is fixedly installed on the outer side of the servo motor, and the ball screw is arranged on the fixing frame. The ball screw is movably installed in the fixing frame. According to the self-lubricating lead screw module, the main body mechanism is installed, a servo motor is started, a ball screw is driven to rotate, the ball screw rotates to enable a ball nut to move front and back along the outer end of the ball screw, an oil cylinder is installed and used for storing lubricating oil, and an oil pump can supplement oil to the interior of a fixing frame through an oil inlet cavity and an oil spraying nozzle; due to the fact that the oil inlet cavities are evenly distributed on the right side of the fixing frame, and the oil spraying nozzles are evenly distributed on the inner side of the fixing frame, different oil pumps are started, segmented oil feeding of the module can be achieved, and the practicability of the device is effectively improved.

Description

Technical Field

[0001] The utility model relates to the technical field of screw rod modules, in particular to a self-lubricating screw rod module. Background Art

[0002] A screw rod is a moving mechanism used to transmit linear motion, usually with a threaded outer surface. Compared with gear racks, screw rods have higher precision, better operating environment, lower noise and faster speed, but are also more expensive. They are generally used for precision positioning. Screw rods are usually used on machine tools and are made of slender metal rods with a smooth surface and threads.

[0003] The existing patent CN214578670U proposes a screw transmission module with a self-lubricating mechanism. The utility model includes a base plate, and the top of the base plate has a motor plate, a first baffle plate and a second baffle plate from left to right in sequence. The inside of the motor plate, the inside of the first baffle plate and the inside of the second baffle plate are all sleeved with self-lubricating rings through mounting holes. The inner walls of the three self-lubricating rings are respectively fixedly connected to the surfaces of the three bearings. The top of the motor plate, the top of the first baffle plate and the top of the second baffle plate are all provided with an oil inlet groove, and the bottoms of the three oil inlet grooves are all provided with oil storage grooves. The inner cavities of the three oil storage grooves are all slidably connected with sealing plugs, one end of the three sealing plugs is respectively connected to three pull rods, one end of the three pull rods is respectively connected to three handles, and the bottoms of the three oil storage grooves are provided with oil filling grooves. The utility model is a screw transmission module with a self-lubricating mechanism. The purpose of adding lubricating oil to the equipment is achieved through the self-lubricating ring, the oil inlet groove, the oil storage groove, the sealing plug, the pull rod, the handle, the return spring and the oil filling groove.

[0004] However, although the existing patent CN214578670U achieves the purpose of adding lubricating oil to the equipment through a self-lubricating ring, an oil inlet groove, an oil storage groove, a sealing plug, a pull rod, a handle, a return spring and an oil filling groove, the screw transmission module is relatively long, and different segments of the screw may have different requirements for lubricating oil. Utility Model Content

[0005] 1. Technical issues to be resolved

[0006] The purpose of the utility model is to provide a self-lubricating screw module to solve the problem mentioned in the background technology that the screw transmission module is relatively long and different sections of the screw may have different requirements for lubricating oil.

[0007] (II) Technical solution

[0008] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a self-lubricating screw module, comprising a main mechanism and an auxiliary mechanism, wherein the auxiliary mechanism is located at the outer end of the main mechanism, the main mechanism comprises a servo motor, a fixing frame and a ball screw, the fixing frame is fixedly mounted on the outside of the servo motor, and the ball screw is movably mounted inside the fixing frame; the main mechanism comprises a ball nut, an oil cylinder, a sealing cover, a connecting pipe, an oil pump, an oil inlet chamber and an oil spray nozzle, and the ball nut is movably mounted on the outer end of the ball screw.

[0009] Preferably, the oil cylinder is fixedly installed on the right side of the servo motor, and the sealing cover is fixedly installed on the upper end of the oil cylinder. When the servo motor is started, the ball screw is driven to rotate, and the rotation of the ball screw causes the ball nut to move forward and backward along the outer end of the ball screw.

[0010] Preferably, the connecting pipe is fixedly installed in the middle of the oil cylinder and the fixing frame, the oil pump is fixedly arranged on the right side of the connecting pipe, the oil pump is evenly distributed on the right side of the connecting pipe, and the oil cylinder is installed to store lubricating oil.

[0011] Preferably, the oil inlet chamber is fixedly arranged on the left side of the fixing frame, the oil inlet chamber is fixedly arranged on the right side of the fixing frame, and the oil inlet chamber is evenly distributed on the right side of the fixing frame. The oil pump can replenish oil to the inside of the fixing frame through the oil inlet chamber and the oil nozzle.

[0012] Preferably, the fuel injector is fixedly arranged on the inner side of the fixing frame, the fuel injector is evenly distributed on the inner side of the fixing frame, the fuel injector is fixedly arranged on the right side of the ball screw, and the fuel injector is evenly distributed on the right side of the ball screw. Since the oil inlet chamber is evenly distributed on the right side of the fixing frame and the fuel injector is evenly distributed on the inner side of the fixing frame, starting different oil pumps can realize segmented oil supply to the module, which effectively improves the practicability of the device.

[0013] Preferably, the auxiliary mechanism includes infrared sensor 1, infrared sensor 2 and a main controller, wherein infrared sensor 1 is fixedly mounted on the upper end of a fixed frame, and the installation of infrared sensor 1 and infrared sensor 2 can determine whether the ball nut is stuck in a certain segment by calculating the rate of change of the distance between infrared sensor 1 and infrared sensor 2.

[0014] Preferably, the second infrared sensor is fixedly mounted on the outer end of the ball nut, and the master controller is fixedly mounted on the right side of the servo motor. The master controller signal is connected to the oil pump, and the master controller controls the start of the oil pump to perform segmented oil replenishment, which effectively improves the convenience of the device.

[0015] Compared with the prior art, the beneficial effects of the utility model are:

[0016] 1. The self-lubricating screw module is installed on the main mechanism, the servo motor is started, and the ball screw is driven to rotate. The rotation of the ball screw causes the ball nut to move forward and backward along the outer end of the ball screw. The installation of the oil cylinder is used to store lubricating oil. The oil pump can replenish oil to the inside of the fixed frame through the oil inlet chamber and the oil spray nozzle. Since the oil inlet chamber is evenly distributed on the right side of the fixed frame and the oil spray nozzle is evenly distributed on the inner side of the fixed frame, different oil pumps are started to realize segmented oil supply of the module, which effectively improves the practicality of the device;

[0017] 2. The self-lubricating screw module, through the installation of auxiliary mechanisms, infrared sensor 1 and infrared sensor 2, calculates the rate of change of the distance between infrared sensor 1 and infrared sensor 2, determines the jamming of the ball nut in a certain section, and the main controller controls the oil pump to start and replenish oil in sections, which effectively improves the convenience of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0019] Figure 2 It is a schematic diagram of a partial cross-sectional structure of the utility model;

[0020] Figure 3 It is a schematic diagram of a partial three-dimensional structure of the utility model;

[0021] Figure 4 It is a schematic diagram of a partial three-dimensional structure of the utility model.

[0022] In the figure: 1. Main mechanism; 101. Servo motor; 102. Fixed frame; 103. Ball screw; 104. Ball nut; 105. Oil cylinder; 106. Sealing cover; 107. Connecting pipe; 108. Oil pump; 109. Oil inlet chamber; 110. Oil injector; 2. Auxiliary mechanism; 201. Infrared sensor 1; 202. Infrared sensor 2; 203. Main controller. DETAILED DESCRIPTION

[0023] 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.

[0024] See also Figure 1-Figure 4The utility model provides a technical solution: a self-lubricating screw module, including a main mechanism 1 and an auxiliary mechanism 2, the auxiliary mechanism 2 is located at the outer end of the main mechanism 1, the main mechanism 1 includes a servo motor 101, a fixing frame 102 and a ball screw 103, the fixing frame 102 is fixedly installed on the outer side of the servo motor 101, and the ball screw 103 is movably installed inside the fixing frame 102; the main mechanism 1 includes a ball nut 104, an oil cylinder 105, a sealing cover 106, a connecting pipe 107, an oil pump 108, an oil inlet cavity 109 and an oil nozzle 110, the ball nut 104 is movably installed on the outer end of the ball screw 103, the oil cylinder 105 is fixedly installed on the right side of the servo motor 101, and the sealing cover 106 is fixedly installed on the upper end of the oil cylinder 105, the connecting pipe 107 is fixedly installed in the middle of the oil cylinder 105 and the fixed frame 102, the oil pump 108 is fixedly set on the right side of the connecting pipe 107, and the oil pump 108 is evenly distributed on the right side of the connecting pipe 107, the oil inlet chamber 109 is fixedly set on the left side of the fixed frame 102, the oil inlet chamber 109 is fixedly set on the right side of the fixed frame 102, and the oil inlet chamber 109 is evenly distributed on the right side of the fixed frame 102, the fuel injection nozzle 110 is fixedly set on the inner side of the fixed frame 102, the fuel injection nozzle 110 is evenly distributed on the inner side of the fixed frame 102, the fuel injection nozzle 110 is fixedly set on the right side of the ball screw 103, and the fuel injection nozzle 110 is evenly distributed on the right side of the ball screw 103.

[0025] The auxiliary mechanism 2 includes an infrared sensor 1 201, an infrared sensor 202 and a master controller 203. The infrared sensor 1 201 is fixedly mounted on the upper end of the fixing frame 102, the infrared sensor 202 is fixedly mounted on the outer end of the ball nut 104, and the master controller 203 is fixedly mounted on the right side of the servo motor 101. The master controller 203 signal is connected to the oil pump 108. When the self-lubricating screw module is used, the servo motor 101 is started to drive the ball screw 103 to rotate. The rotation of the ball screw 103 causes the ball nut 104 to move forward and backward along the outer end of the ball screw 103. The installation of the oil cylinder 105 is used to store lubricating oil. Oil, the oil pump 108 can replenish oil to the inside of the fixed frame 102 through the oil inlet chamber 109 and the oil nozzle 110. Since the oil inlet chamber 109 is evenly distributed on the right side of the fixed frame 102, and the oil nozzle 110 is evenly distributed on the inner side of the fixed frame 102, different oil pumps 108 are started to realize segmented oil supply of the module. The infrared sensor 1 201 and the infrared sensor 2 202 are installed. By calculating the rate of change of the distance between the infrared sensor 1 201 and the infrared sensor 2 202, the jamming of the ball nut 104 in a certain segment is determined, and the main controller 203 controls the oil pump 108 to start and perform segmented oil replenishment.

[0026] Working principle: When using a self-lubricating screw module, the servo motor 101 is started to drive the ball screw 103 to rotate. The rotation of the ball screw 103 causes the ball nut 104 to move forward and backward along the outer end of the ball screw 103. The oil cylinder 105 is installed to store lubricating oil. The oil pump 108 can replenish oil to the inside of the fixed frame 102 through the oil inlet chamber 109 and the oil nozzle 110. Since the oil inlet chamber 109 is evenly distributed on the right side of the fixed frame 102, and the oil nozzle 110 is evenly distributed on the inner side of the fixed frame 102, different oil pumps 108 are started to realize segmented oil supply of the module. The infrared sensor 1 201 and the infrared sensor 2 202 are installed. By calculating the rate of change of the distance between the infrared sensor 1 201 and the infrared sensor 2 202, the jamming of the ball nut 104 in a certain segment is determined, and the main controller 203 controls the oil pump 108 to start and replenish oil in segments.

[0027] Finally, it should be noted that the above content is only used to illustrate the technical solution of the utility model, rather than to limit the protection scope of the utility model. Simple modifications or equivalent substitutions of the technical solution of the utility model by ordinary technicians in this field do not deviate from the essence and scope of the technical solution of the utility model.

Claims

1. A self-lubricating screw module, comprising a main mechanism (1) and an auxiliary mechanism (2), characterized in that: The auxiliary mechanism (2) is located at the outer end of the main mechanism (1); the main mechanism (1) comprises a servo motor (101), a fixing frame (102) and a ball screw (103); the fixing frame (102) is fixedly mounted on the outer side of the servo motor (101); and the ball screw (103) is movably mounted inside the fixing frame (102); The main body mechanism (1) comprises a ball nut (104), an oil cylinder (105), a sealing cover (106), a connecting pipe (107), an oil pump (108), an oil inlet chamber (109) and an oil injection nozzle (110); the ball nut (104) is movably mounted on the outer end of the ball screw (103); The oil cylinder (105) is fixedly mounted on the right side of the servo motor (101), and the sealing cover (106) is fixedly mounted on the upper end of the oil cylinder (105); The connecting pipe (107) is fixedly installed in the middle of the oil cylinder (105) and the fixing frame (102), and the oil pump (108) is fixedly arranged on the right side of the connecting pipe (107). The oil pump (108) is evenly distributed on the right side of the connecting pipe (107); The oil inlet chamber (109) is fixedly arranged on the left side of the fixing frame (102), the oil inlet chamber (109) is fixedly arranged on the right side of the fixing frame (102), and the oil inlet chamber (109) is evenly distributed on the right side of the fixing frame (102); The oil spray nozzle (110) is fixedly arranged on the inner side of the fixing frame (102), and the oil spray nozzle (110) is evenly distributed on the inner side of the fixing frame (102). The oil spray nozzle (110) is fixedly arranged on the right side of the ball screw (103), and the oil spray nozzle (110) is evenly distributed on the right side of the ball screw (103); The auxiliary mechanism (2) comprises an infrared sensor 1 (201), an infrared sensor 2 (202) and a master controller (203), wherein the infrared sensor 1 (201) is fixedly mounted on the upper end of the fixing frame (102); The second infrared sensor (202) is fixedly mounted on the outer end of the ball nut (104), the main controller (203) is fixedly mounted on the right side of the servo motor (101), and the signal of the main controller (203) is connected to the oil pump (108).

Images