CN112091242A

CN112091242A - Automatic homing device for machine tool spindle

Info

Publication number: CN112091242A
Application number: CN202010967237.2A
Authority: CN
Inventors: 赵晨阳; 李洋; 姚英学; 杜建军
Original assignee: Shenzhen Graduate School Harbin Institute of Technology
Current assignee: Shenzhen Graduate School Harbin Institute of Technology
Priority date: 2020-09-15
Filing date: 2020-09-15
Publication date: 2020-12-18

Abstract

The invention relates to the technical field of machine tool equipment, in particular to an automatic homing device for a machine tool spindle, which has the advantage of controlling the lubricating temperature of lubricating oil and comprises a lifting component, a sliding component I, a sliding component II, a spindle component, a driving component, a driven component, an adjusting component and a temperature-control lubricating component, wherein the sliding component I is connected to the lifting component in a sliding way, the sliding component I and the lifting component are in threaded transmission, the sliding component II is connected to the sliding component I in a threaded way, the spindle component is connected to the sliding component II in a sliding way, the spindle component and the sliding component II are in threaded transmission, the driving component is fixedly connected to the spindle component, the driven component is in rotary connection with the spindle component, the driven component and the driving component are in meshed transmission, the adjusting component is in rotary connection with the spindle component, the adjusting component is, the temperature control lubricating assembly is fixedly connected to the main shaft assembly.

Description

Automatic homing device for machine tool spindle

Technical Field

The invention relates to the technical field of machine tool equipment, in particular to an automatic homing device for a machine tool spindle.

Background

The main shaft of the machine tool refers to a shaft on the machine tool for driving a workpiece or a cutter to rotate. The main shaft component is generally composed of a main shaft, a bearing, a transmission member (gear or pulley), and the like. The machine is mainly used for supporting transmission parts such as gears and belt wheels and transmitting motion and torque, such as a machine tool spindle; some are used to clamp a workpiece, such as a mandrel. When the main shaft is used, each gear and the main shaft need good lubrication and cooling, and the common cooling mode is to fill a proper amount of lubricating oil to cool and lubricate each part by using splash lubrication, but the lubricating mode cannot control the lubricating temperature of the lubricating oil.

Disclosure of Invention

The invention aims to provide an automatic homing device for a machine tool spindle, which has the advantage of controlling the lubricating temperature of lubricating oil.

The purpose of the invention is realized by the following technical scheme:

the utility model provides a be used for automatic homing device of lathe main shaft, includes lifting unit, slip subassembly I, slip subassembly II, main shaft assembly, drive assembly, driven subassembly, adjusting part and accuse temperature lubrication assembly, I sliding connection of slip subassembly is on lifting unit, slip subassembly I and lifting unit pass through screw thread transmission, slip subassembly II passes through threaded connection on slip subassembly I, main shaft assembly sliding connection is on slip subassembly II, main shaft assembly and slip subassembly II pass through screw thread transmission, drive assembly fixed connection is on main shaft assembly, driven subassembly rotates to be connected on main shaft assembly, driven subassembly and drive assembly meshing transmission, adjusting part rotates to be connected on main shaft assembly, adjusting part sliding connection is on driven subassembly, accuse temperature lubrication assembly fixed connection is on main shaft assembly.

The temperature control lubricating component comprises an oil return pipe, an oil return pump, an atomizing nozzle, a heat dissipation water tank, a cooling pipe, a water tank water outlet pipe, a cooling circulating pump, a circulating manifold, a cooling water return pipe, a water tank water inlet pipe and a temperature control regulating valve, equal fixed connection in the upper and lower both ends of returning oil pipe is on main shaft assembly, return oil pump fixed connection is at the lower extreme that returns oil pipe, atomizer fixed connection is in the upper end that returns oil pipe, heat dissipation water tank fixed connection is on main shaft assembly, cooling tube fixed connection is on returning oil pipe, water tank outlet pipe fixed connection is on cooling tube and heat dissipation water tank, cooling circulation pump fixed connection is on the water tank outlet pipe, be provided with circulation manifold on the water tank outlet pipe, cooling return water pipe fixed connection is in the upper end of cooling tube, water tank inlet tube fixed connection is in heat dissipation water tank's upper end, circulation manifold, cooling return water pipe and water tank inlet tube all communicate with temperature.

The lifting assembly comprises a bedplate, a lifting frame, lifting limiting rods, lifting lead screws and lifting motors, the lifting frame is fixedly connected to the rear side of the bedplate, the two lifting limiting rods are fixedly connected between the bedplate and the lifting frame, the two lifting lead screws are rotatably connected between the bedplate and the lifting frame, the two lifting motors are fixedly connected to the upper ends of the lifting frame, and the upper ends of the two lifting lead screws are respectively fixedly connected to output shafts of the two lifting motors.

Slip subassembly I includes the lift slip frame, the lifter plate, remove frame I, removal lead screw I and moving motor I, lift slip frame sliding connection is between crane and two lift gag lever posts, lifter plate fixed connection is on the lift slip frame, lifter plate and two lift lead screws all pass through screw thread transmission, the equal fixedly connected with in both ends removes frame I about the lift slip frame, two remove to rotate between the frame I and be connected with two removal lead screws I, two moving motor I of fixedly connected with are gone up to the removal frame I of right-hand member, two moving screw I difference fixed connection are on the output shaft of two moving motor I.

Sliding component II is including removing frame II, the sliding tray, the main shaft groove, the screwed pipe, remove lead screw II and moving motor II, the both sides all are provided with the sliding tray about removing frame II, the middle part of removing frame II is provided with the main shaft groove, the equal fixedly connected with screwed pipe in both ends around removing frame II, two screwed pipes pass through screw drive with two removal lead screws I respectively, two remove lead screw II and rotate respectively and connect the left and right sides at removing frame II, two equal fixed connection of II fixed connections of moving motor are at the front end of removing frame II, two are removed lead screw II and are fixed connection respectively on two output shafts of moving motor II.

The main shaft assembly includes the headstock, the oil gallery, the oil spout, the main shaft mounting bracket, the main shaft slide, main shaft screwed pipe and main shaft, the lower extreme of headstock is provided with the oil gallery, the upper end of headstock is provided with the oil spout, main shaft mounting bracket fixed connection is in the left side of headstock, two main shaft slides of lower extreme fixedly connected with of headstock, equal fixedly connected with main shaft screwed pipe on two main shaft slides, two main shaft screwed pipes and two removal lead screw II are all through screw drive, the lower extreme at the headstock is connected in the main shaft rotation, fixed connection is on oil spout and oil gallery respectively at the upper and lower both ends of oil return pipe, radiator tank fixed connection is on the headstock.

The drive assembly comprises a drive motor, a high-grade input gear and a low-grade input gear, the drive motor is fixedly connected to the spindle mounting frame, and the high-grade input gear and the low-grade input gear are fixedly connected to an output shaft of the drive motor.

Driven subassembly includes the output shaft, the barrier ring, adjust the carriage, senior output gear and low level output gear, the upper end of output shaft is rotated and is connected on main shaft mounting frame, the lower extreme fixed connection of output shaft is on the main shaft, the upper and lower both ends of output shaft all are rotated and are connected with the barrier ring, adjust carriage fixed connection at the middle part of output shaft, senior output gear rotates the upper and lower both sides of connection at the output shaft respectively with low level output gear, senior output gear and the meshing transmission of senior input gear, low level output gear and the meshing transmission of low level input gear.

The adjusting assembly comprises an adjusting friction ring, an adjusting threaded plate and an adjusting rotating rod, the adjusting friction ring is connected to the adjusting sliding frame in a sliding mode, the adjusting threaded plate is connected to the adjusting friction ring in a rotating mode, the adjusting rotating rod is connected to the spindle mounting frame in a rotating mode, and the adjusting rotating rod and the adjusting threaded plate are in threaded transmission.

The automatic homing device for the machine tool spindle has the beneficial effects that: the invention relates to an automatic homing device for a machine tool spindle, which can drive a driven assembly to rotate by meshing of a driving assembly, the driven assembly drives a spindle to rotate to realize the rotation of the spindle, can adjust the meshing transmission ratio of the driving assembly and the driven assembly by an adjusting assembly to realize the switching of two rotating states of high speed and low speed of the spindle, can lubricate the driving assembly, the driven assembly and the spindle at the optimal temperature by a temperature control lubricating assembly, slow down the wear rate of parts of the driving assembly and the driven assembly, prolong the service life of the driving assembly and the driven assembly, can drive the spindle assembly to automatically reset in the front-back direction by a screw thread of a sliding assembly II, can drive a sliding assembly II to move left and right by the screw thread of the sliding assembly I to realize the reset in the left-right direction of the spindle, and can drive the sliding assembly I, thereby realizing the reset of the main shaft in the up-and-down direction.

Drawings

The invention is described in further detail below with reference to the accompanying drawings and specific embodiments.

In the description of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "top", "bottom", "inner", "outer" and "upright", etc., indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected, directly or indirectly connected through an intermediate medium, and may be a communication between two members. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In addition, in the description of the present invention, the meaning of "a plurality", and "a plurality" is two or more unless otherwise specified.

FIG. 1 is a schematic view of the overall structure of an automatic homing device for a spindle of a machine tool according to the present invention;

FIG. 2 is a partially enlarged view of an automatic homing apparatus for a spindle of a machine tool according to the present invention;

FIG. 3 is a schematic structural diagram of the automatic homing device for the spindle of the machine tool in the other direction;

FIG. 4 is a schematic structural view of the lift assembly of the present invention;

FIG. 5 is a schematic view of the construction of the sliding assembly I of the present invention;

FIG. 6 is a schematic structural view of a sliding assembly II of the present invention;

FIG. 7 is a schematic structural view of the spindle assembly of the present invention;

FIG. 8 is a schematic structural view of the drive assembly of the present invention;

FIG. 9 is a schematic structural view of the driven assembly of the present invention;

FIG. 10 is a schematic view of the construction of the adjustment assembly of the present invention;

FIG. 11 is a schematic diagram of the temperature-controlled lubrication assembly of the present invention.

In the figure: a lifting assembly 1; 1-1 of a bedplate; 1-2 of a lifting frame; 1-3 of a lifting limiting rod; 1-4 of a lifting screw rod; 1-5 of a lifting motor; a sliding component I2; a lifting sliding frame 2-1; 2-2 of a lifting plate; 2-3 of a movable frame; moving the screw rod I2-4; 2-5 parts of a mobile motor I; a sliding component II 3; moving a frame II 3-1; a sliding groove 3-2; 3-3 of a main shaft groove; 3-4 parts of a threaded pipe; 3-5 of a movable screw rod; 3-6 of a mobile motor; a spindle assembly 4; 4-1 of a spindle box; an oil return hole 4-2; 4-3 of an oil spray hole; a spindle mounting rack 4-4; 4-5 of a main shaft sliding plate; 4-6 of a main shaft threaded pipe; 4-7 of a main shaft; a drive assembly 5; a driving motor 5-1; a high-grade input gear 5-2; a low-stage input gear 5-3; a driven assembly 6; an output shaft 6-1; 6-2 of a stop ring; adjusting the sliding frame 6-3; a high-grade output gear 6-4; low-stage output gear 6-5; an adjustment assembly 7; adjusting the friction ring 7-1; adjusting the thread plate 7-2; adjusting a rotating rod 7-3; a temperature control lubrication assembly 8; an oil return pipe 8-1; an oil return pump 8-2; 8-3 parts of an atomizing nozzle; 8-4 parts of a heat dissipation water tank; 8-5 of a cooling pipe; a water outlet pipe 8-6 of the water tank; 8-7 of a cooling circulating pump; a circulation manifold 8-8; cooling a water return pipe 8-9; 8-10 parts of a water inlet pipe of the water tank; and 8-11 of a temperature control regulating valve.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

The first embodiment is as follows:

the embodiment is described below with reference to fig. 1 to 11, and a device for automatically returning to the original position of a machine tool spindle comprises a lifting component 1, a sliding component i 2, a sliding component ii 3, a spindle component 4, a driving component 5, a driven component 6, an adjusting component 7 and a temperature control lubricating component 8, wherein the sliding component i 2 is slidably connected to the lifting component 1, the sliding component i 2 and the lifting component 1 are in threaded transmission, the sliding component ii 3 is in threaded connection with the sliding component i 2, the spindle component 4 is slidably connected to the sliding component ii 3, the spindle component 4 and the sliding component ii 3 are in threaded transmission, the driving component 5 is fixedly connected to the spindle component 4, the driven component 6 is rotatably connected to the spindle component 4, the driven component 6 is in meshed transmission with the driving component 5, the adjusting component 7 is rotatably connected to the spindle component 4, the adjusting component 7 is slidably connected to the driven component 6, the temperature control lubricating component 8 is fixedly connected to the main shaft component 4.

The driving assembly 5 can be meshed with the driven assembly 6 to drive the driven assembly 6 to rotate, the driven assembly 6 drives the main shafts 4 to 7 to rotate, the rotation of the main shafts 4 to 7 is realized, the meshing transmission ratio of the driving assembly 5 and the driven assembly 6 can be adjusted through the adjusting assembly 7, the switching between high-speed rotation state and low-speed rotation state of the main shafts 4 to 7 is realized, the optimal temperature lubrication can be performed on the driving assembly 5 and the driven assembly 6 through the temperature control lubricating assembly 8, the wear speed of parts of the driving assembly 5 and the driven assembly 6 is reduced, the service lives of the driving assembly 5 and the driven assembly 6 are prolonged, the main shaft assembly 4 can be driven by the screw thread of the sliding assembly II 3 to realize the automatic reset of the main shafts 4 to 7 in the front-back direction, the sliding assembly I2 can drive the sliding assembly II 3 to move left, the lifting assembly 1 can drive the sliding assembly I2 to lift through threads, and then the main shaft 4-7 can reset in the vertical direction.

The second embodiment is as follows:

referring to fig. 1-11, the present embodiment will be described, wherein the temperature-controlled lubrication assembly 8 includes an oil return pipe 8-1, an oil return pump 8-2, an atomizer 8-3, a heat-dissipating water tank 8-4, a cooling pipe 8-5, a water tank outlet pipe 8-6, a cooling circulation pump 8-7, a circulation manifold 8-8, a cooling water return pipe 8-9, a water tank inlet pipe 8-10, and a temperature-controlled adjustment valve 8-11, the upper and lower ends of the oil return pipe 8-1 are fixedly connected to the spindle assembly 4, the oil return pump 8-2 is fixedly connected to the lower end of the oil return pipe 8-1, the atomizer 8-3 is fixedly connected to the upper end of the oil return pipe 8-1, the heat-dissipating water tank 8-4 is fixedly connected to the spindle assembly 4, and the cooling pipe 8-5 is fixedly, the water tank outlet pipe 8-6 is fixedly connected to the cooling pipe 8-5 and the heat dissipation water tank 8-4, the cooling circulation pump 8-7 is fixedly connected to the water tank outlet pipe 8-6, the water tank outlet pipe 8-6 is provided with a circulation manifold 8-8, the cooling return pipe 8-9 is fixedly connected to the upper end of the cooling pipe 8-5, the water tank inlet pipe 8-10 is fixedly connected to the upper end of the heat dissipation water tank 8-4, and the circulation manifold 8-8, the cooling return pipe 8-9 and the water tank inlet pipe 8-10 are all communicated with the temperature control regulating valve 8-11.

When the lubricating oil is pumped into the upper end of the oil return pipe 8-1 by the oil return pump 8-2 through the lower end of the oil return pipe 8-1 and enters the atomizing spray head 8-3 to be sprayed out, the up-and-down circulation of the lubricating oil in the main shaft assembly 4 is realized, the moving parts can be ensured to be soaked in the lubricating oil without adding too much lubricating oil, the use of the lubricating oil is saved, the waste of the lubricating oil caused by one-time replacement of a large amount of lubricating oil after the excessive lubricating oil is deteriorated due to long-term use is also avoided, when the driving assembly 5 is meshed with the driven assembly 6 to drive the driven assembly 6 to rotate and the driven assembly 6 drives the main shaft 4-7 to rotate, the temperature of the lubricating oil can influence the viscosity of the lubricating oil, further can cause great influence on the lubricating effect of the parts, the lubricating oil can lose the lubricating, therefore, when the temperature of the lubricating oil is too low, the cooling water enters the water outlet pipe 8-6 of the water tank from the heat radiation water tank 8-4, the cooling water enters the cooling pipe 8-5 after being pressurized by the cooling circulating pump 8-7, the energy of the cooling water in the cooling pipe 8-5 is exchanged with the lubricating oil in the oil return pipe 8-1, the temperature of the cooling water is increased, when the low-temperature cooling water enters the temperature control regulating valve 8-11 through the cooling water return pipe 8-9, the temperature control regulating valve 8-11 only communicates the cooling water return pipe 8-9 with the circulating manifold 8-8 due to the low-temperature cooling water, the cooling water return pipe 8-9 is not communicated with the water inlet pipe 8-10 of the water tank, the cooling water is continuously heated to the optimal temperature for the lubricating oil to work without heat radiation, when the temperature of the lubricating oil is continuously raised to, the cooling water cools the lubricating oil and then enters the cooling water return pipe 8-9, the temperature of the cooling water enables the cooling water return pipe 8-9 to be communicated with the water tank water inlet pipe 8-10, the cooling water enters the heat dissipation water tank 8-4 to dissipate heat and cool, the temperature of the cooling water is kept not to be too high, the temperature of the lubricating oil is further guaranteed to be within the temperature range which is most suitable for lubrication, lubrication and cooling of the driving assembly 5 and the driven assembly 6 are guaranteed, and the service lives of the driving assembly 5, the driven assembly 6 and the main shafts 4-7 are prolonged.

The third concrete implementation mode:

the embodiment is described below with reference to fig. 1-11, wherein the lifting assembly 1 includes a bedplate 1-1, a lifting frame 1-2, lifting limit rods 1-3, lifting screw rods 1-4 and lifting motors 1-5, the lifting frame 1-2 is fixedly connected to the rear side of the bedplate 1-1, two lifting limit rods 1-3 are fixedly connected between the bedplate 1-1 and the lifting frame 1-2, two lifting screw rods 1-4 are rotatably connected between the bedplate 1-1 and the lifting frame 1-2, both the two lifting motors 1-5 are fixedly connected to the upper ends of the lifting frame 1-2, and the upper ends of the two lifting screw rods 1-4 are respectively and fixedly connected to output shafts of the two lifting motors 1-5.

Two lifting motors 1-5 are started, the two lifting motors 1-5 drive lifting screw rods 1-4 to rotate, the two lifting screw rods 1-4 drive the sliding assembly I2 to lift between the lifting frame 1-2 and the two lifting limiting rods 1-3 through threads, and therefore up-down reset of the sliding assembly I2 is achieved.

The fourth concrete implementation mode:

the embodiment is described below with reference to fig. 1-11, the sliding assembly i 2 includes a lifting sliding frame 2-1, a lifting plate 2-2, a moving frame i 2-3, a moving screw i 2-4 and a moving motor i 2-5, the lifting sliding frame 2-1 is slidably connected between the lifting frame 1-2 and two lifting limiting rods 1-3, the lifting plate 2-2 is fixedly connected to the lifting sliding frame 2-1, the lifting plate 2-2 and the two lifting screw 1-4 are both driven by screw threads, the moving frame i 2-3 is fixedly connected to the left and right ends of the lifting sliding frame 2-1, the two moving screws i 2-4 are rotatably connected between the two moving frames i 2-3, the two moving motors i 2-5 are fixedly connected to the moving frame i 2-3 at the right end, the two movable screw rods I2-4 are respectively and fixedly connected to output shafts of the two movable motors I2-5.

Two moving motors I2-5 are started, the two moving motors I2-5 drive two moving screw rods I2-4 to rotate, the two moving screw rods I2-4 drive the sliding assembly II 3 to move left and right through threads, and therefore the sliding assembly II 3 can move back and forth and reset.

The fifth concrete implementation mode:

the embodiment is described below with reference to fig. 1-11, the sliding assembly ii 3 includes a moving frame ii 3-1, sliding grooves 3-2, a spindle groove 3-3, a screwed pipe 3-4, moving screw rods ii 3-5 and moving motors ii 3-6, the sliding grooves 3-2 are disposed on the left and right sides of the moving frame ii 3-1, the spindle groove 3-3 is disposed in the middle of the moving frame ii 3-1, the screwed pipe 3-4 is fixedly connected to the front and rear ends of the moving frame ii 3-1, the two screwed pipes 3-4 are respectively in screw transmission with the two moving screw rods i 2-4, the two moving screw rods ii 3-5 are respectively rotatably connected to the left and right sides of the moving frame ii 3-1, the two moving motors ii 3-6 are both fixedly connected to the front end of the moving frame ii 3-1, the two movable screw rods II 3-5 are respectively and fixedly connected to output shafts of the two movable motors II 3-6.

The two movable screw rods I2-4 drive the two threaded pipes 3-4 to move left and right, the two threaded pipes 3-4 drive the movable frame II 3-1 to move left and right, the front and back movement and resetting of the sliding assembly II 3 are realized, the two movable motors II 3-6 are started, the two movable motors II 3-6 drive the two movable screw rods II 3-5 to rotate, the movable screw rods II 3-5 drive the main shaft assembly 4 to slide front and back through threads, and the automatic homing of the main shaft 4-7 is realized.

The sixth specific implementation mode:

the embodiment is described below with reference to fig. 1 to 11, the spindle assembly 4 includes a spindle box 4-1, oil return holes 4-2, oil spray holes 4-3, a spindle mounting bracket 4-4, spindle slide plates 4-5, spindle threaded pipes 4-6 and spindles 4-7, the lower end of the spindle box 4-1 is provided with the oil return holes 4-2, the upper end of the spindle box 4-1 is provided with the oil spray holes 4-3, the spindle mounting bracket 4-4 is fixedly connected to the left side of the spindle box 4-1, the lower end of the spindle box 4-1 is fixedly connected with two spindle slide plates 4-5, the two spindle slide plates 4-5 are both fixedly connected with the spindle threaded pipes 4-6, the two spindle threaded pipes 4-6 and the two movable screws ii 3-5 are both driven by threads, the main shaft 4-7 is rotatably connected to the lower end of the main shaft box 4-1, the upper end and the lower end of the oil return pipe 8-1 are respectively and fixedly connected to the oil injection hole 4-3 and the oil return hole 4-2, and the heat dissipation water tank 8-4 is fixedly connected to the main shaft box 4-1.

The movable screw rod II 3-5 drives the two main shaft threaded pipes 4-6 to slide back and forth through threads, the two main shaft threaded pipes 4-6 drive the two main shaft sliding plates 4-5 to slide in the two sliding grooves 3-2, the two main shaft sliding plates 4-5 drive the main shaft box 4-1 to slide, and the main shaft box 4-1 drives the main shaft 4-7 to move back and forth, so that the automatic homing of the main shaft 4-7 is realized.

The seventh embodiment:

the embodiment is described below with reference to fig. 1 to 11, where the driving assembly 5 includes a driving motor 5-1, a high-level input gear 5-2, and a low-level input gear 5-3, the driving motor 5-1 is fixedly connected to the spindle mounting bracket 4-4, the high-level input gear 5-2 and the low-level input gear 5-3 are both fixedly connected to an output shaft of the driving motor 5-1, the driving motor 5-1 is started, and the driving motor 5-1 drives the high-level input gear 5-2 and the low-level input gear 5-3 to rotate, so as to output power.

The specific implementation mode is eight:

referring to fig. 1-11, the present embodiment will be described, wherein the driven assembly 6 includes an output shaft 6-1, a stop ring 6-2, an adjusting sliding frame 6-3, a high-level output gear 6-4 and a low-level output gear 6-5, the upper end of the output shaft 6-1 is rotatably connected to a spindle mounting frame 4-4, the lower end of the output shaft 6-1 is fixedly connected to a spindle 4-7, the upper and lower ends of the output shaft 6-1 are rotatably connected to the stop ring 6-2, the adjusting sliding frame 6-3 is fixedly connected to the middle of the output shaft 6-1, the high-level output gear 6-4 and the low-level output gear 6-5 are respectively rotatably connected to the upper and lower sides of the output shaft 6-1, the high-level output gear 6-4 and the, the low-stage output gear 6-5 and the low-stage input gear 5-3 are in meshed transmission.

The specific implementation method nine:

the present embodiment is described below with reference to fig. 1 to 11, wherein the adjusting assembly 7 includes an adjusting friction ring 7-1, an adjusting thread plate 7-2 and an adjusting rotating rod 7-3, the adjusting friction ring 7-1 is slidably connected to the adjusting sliding frame 6-3, the adjusting thread plate 7-2 is rotatably connected to the adjusting friction ring 7-1, the adjusting rotating rod 7-3 is rotatably connected to the spindle mounting frame 4-4, and the adjusting rotating rod 7-3 and the adjusting thread plate 7-2 are in thread transmission.

Rotating an adjusting rotating rod 7-3, driving an adjusting threaded plate 7-2 to ascend by the threads of the adjusting rotating rod 7-3, driving an adjusting friction ring 7-1 to ascend by the adjusting threaded plate 7-2 until the adjusting friction ring 7-1 and a high-grade output gear 6-4 rotate synchronously by friction, at the moment, engaging a high-grade input gear 5-2 to drive a high-grade output gear 6-4 to rotate, driving the adjusting friction ring 7-1 by the high-grade output gear 6-4, driving an adjusting sliding frame 6-3 to rotate by the adjusting friction ring 7-1, driving an output shaft 6-1 to rotate by the adjusting sliding frame 6-3, driving a main shaft 4-7 to rotate by the output shaft 6-1, realizing the high-speed output of the main shaft 4-7, and rotating the adjusting rotating rod 7-3 when the main shaft 4-7 wants to output, the adjusting rotating rod 7-3 drives the adjusting threaded plate 7-2 to descend through threads, the adjusting threaded plate 7-2 drives the adjusting friction ring 7-1 to descend until the adjusting friction ring 7-1 and the low-level output gear 6-5 rotate synchronously through friction, the low-level input gear 5-3 is meshed with the low-level output gear 6-5 to rotate, the low-level output gear 6-5 drives the adjusting friction ring 7-1 to rotate, the adjusting friction ring 7-1 drives the adjusting sliding frame 6-3 to rotate, the adjusting sliding frame 6-3 drives the output shaft 6-1 to rotate, and the output shaft 6-1 drives the main shaft 4-7 to rotate, so that low-speed output of the main shaft 4-7 is achieved, and conversion of two states of high-speed output and low-speed output of the main shaft 4-7 is achieved.

The invention relates to an automatic homing device for a machine tool spindle, which has the use principle that: when the lubricating oil is pumped into the upper end of the oil return pipe 8-1 by the oil return pump 8-2 through the lower end of the oil return pipe 8-1 and enters the atomizing spray head 8-3 to be sprayed out, the up-and-down circulation of the lubricating oil is realized, too much lubricating oil is not needed to be added, the moving parts are ensured to be soaked in the lubricating oil, the use of the lubricating oil is saved, the waste of the lubricating oil caused by one-time replacement of a large amount of lubricating oil after the excessive lubricating oil is deteriorated due to long-term use is also avoided, when the driving assembly 5 is meshed with the driven assembly 6 to drive the driven assembly 6 to rotate, and the driven assembly 6 drives the main shaft 4-7 to rotate, the temperature of the lubricating oil can influence the viscosity of the lubricating oil, further great influence on the lubricating effect of the parts can be caused, the lubricating oil can lose, when the temperature of the lubricating oil is too low, cooling water enters a water outlet pipe 8-6 of the water tank from a heat radiation water tank 8-4, the cooling water enters a cooling pipe 8-5 after being pressurized by a cooling circulating pump 8-7, energy exchange is carried out between the cooling water in the cooling pipe 8-5 and the lubricating oil in an oil return pipe 8-1, the temperature of the cooling water is increased, the low-temperature cooling water enters a temperature control regulating valve 8-11 through a cooling water return pipe 8-9, the temperature control regulating valve 8-11 only communicates the cooling water return pipe 8-9 with a circulating manifold 8-8 due to the low-temperature cooling water, the cooling water return pipe 8-9 is not communicated with a water inlet pipe 8-10 of the water tank, the cooling water is not subjected to heat radiation, the temperature of the cooling water is continuously increased to be higher than the optimal working temperature of the lubricating oil, cooling water cools lubricating oil and then enters a cooling water return pipe 8-9, the temperature of the cooling water enables the cooling water return pipe 8-9 to be communicated with a water inlet pipe 8-10 of a water tank, the cooling water enters a heat dissipation water tank 8-4 to carry out heat dissipation and temperature reduction, the temperature of the cooling water is kept not to be too high, the temperature of the lubricating oil is further ensured to be within the temperature range which is most suitable for lubrication, the lubrication and the cooling of a driving component 5 and a driven component 6 are ensured, the service lives of the driving component 5, the driven component 6 and a main shaft 4-7 are prolonged, two lifting motors 1-5 are started, two lifting motors 1-5 drive lifting screw rods 1-4 to rotate, two lifting screw rods 1-4 drive lifting plates 2-2 to lift, the lifting plates 2-2 drive a sliding frame 2-1 to lift between the lifting frames 1-2 and two lifting limiting rods 1-, the up-and-down reset of the sliding component I2 is realized, two moving motors I2-5 are started, the two moving motors I2-5 drive two moving screw rods I2-4 to rotate, the two moving screw rods I2-4 drive two threaded pipes 3-4 to move left and right, the two threaded pipes 3-4 drive a moving frame II 3-1 to move left and right, the back-and-forth movement and reset of the sliding component II 3 are realized, the two moving motors II 3-6 are started, the two moving motors II 3-6 drive two moving screw rods II 3-5 to rotate, the moving screw rods II 3-5 drive two main shaft threaded pipes 4-6 to slide back and forth, the two main shaft threaded pipes 4-6 drive two main shaft sliding plates 4-5 to slide in the two sliding grooves 3-2, and the two main shaft sliding plates 4-5 drive a main shaft box 4-1, the main shaft box 4-1 drives the main shaft 4-7 to move back and forth, so that the main shaft 4-7 is automatically reset, the driving motor 5-1 is started, the driving motor 5-1 drives the high-grade input gear 5-2 and the low-grade input gear 5-3 to rotate, the adjusting rotating rod 7-3 is rotated, the adjusting rotating rod 7-3 drives the adjusting threaded plate 7-2 to ascend in a threaded manner, the adjusting threaded plate 7-2 drives the adjusting friction ring 7-1 to ascend until the adjusting friction ring 7-1 and the high-grade output gear 6-4 rotate synchronously in a friction manner, at the moment, the high-grade input gear 5-2 is meshed with the high-grade output gear 6-4 to rotate, the high-grade output gear 6-4 drives the adjusting friction ring 7-1 to rotate, and the adjusting friction ring 7-1 drives the adjusting, when the main shaft 4-7 wants to output at a low speed, the adjusting sliding frame 6-3 drives the output shaft 6-1 to rotate, the output shaft 6-1 drives the main shaft 4-7 to rotate, so that the high-speed output of the main shaft 4-7 is realized, the adjusting rotating rod 7-3 is rotated, the adjusting rotating rod 7-3 drives the adjusting threaded plate 7-2 to descend, the adjusting threaded plate 7-2 drives the adjusting friction ring 7-1 to descend until the adjusting friction ring 7-1 and the low-stage output gear 6-5 rotate synchronously by friction, the low-stage input gear 5-3 is meshed with the low-stage output gear 6-5 to rotate, the low-stage output gear 6-5 drives the adjusting friction ring 7-1 to rotate, the adjusting friction ring 7-1 drives the adjusting sliding frame 6-3 to rotate, the adjusting sliding frame 6-3 drives the output shaft 6-1, the output shaft 6-1 drives the main shaft 4-7 to rotate, so that the low-speed output of the main shaft 4-7 is realized, and the conversion of the high-speed output state and the low-speed output state of the main shaft 4-7 is further realized.

It is to be understood that the above description is not intended to limit the present invention, and the present invention is not limited to the above examples, and that various changes, modifications, additions and substitutions which are within the spirit and scope of the present invention and which may be made by those skilled in the art are also within the scope of the present invention.

Claims

1. The utility model provides a be used for automatic homing device of lathe main shaft, includes lifting unit (1), slip subassembly I (2), slip subassembly II (3), main shaft assembly (4), drive assembly (5), driven component (6), adjusting part (7) and accuse temperature lubrication assembly (8), its characterized in that: sliding assembly I (2) sliding connection is on lifting unit (1), sliding assembly I (2) and lifting unit (1) pass through screw drive, sliding assembly II (3) pass through threaded connection on sliding assembly I (2), main shaft assembly (4) sliding connection is on sliding assembly II (3), main shaft assembly (4) and sliding assembly II (3) pass through screw drive, drive assembly (5) fixed connection is on main shaft assembly (4), driven assembly (6) rotate to be connected on main shaft assembly (4), driven assembly (6) and drive assembly (5) meshing transmission, adjusting part (7) rotate to be connected on main shaft assembly (4), adjusting part (7) sliding connection is on driven assembly (6), accuse temperature lubrication assembly (8) fixed connection is on main shaft assembly (4).

2. The automatic homing device for the spindle of the machine tool according to claim 1, wherein: the temperature control lubricating component (8) comprises an oil return pipe (8-1), an oil return pump (8-2), an atomizing spray head (8-3), a heat radiation water tank (8-4), a cooling pipe (8-5), a water tank water outlet pipe (8-6), a cooling circulating pump (8-7), a circulating manifold (8-8), a cooling water return pipe (8-9), a water tank water inlet pipe (8-10) and a temperature control regulating valve (8-11), wherein the upper end and the lower end of the oil return pipe (8-1) are fixedly connected to the main shaft component (4), the oil return pump (8-2) is fixedly connected to the lower end of the oil return pipe (8-1), the atomizing spray head (8-3) is fixedly connected to the upper end of the oil return pipe (8-1), and the heat radiation water tank (8-4) is fixedly connected to the main shaft component, the cooling pipe (8-5) is fixedly connected to the oil return pipe (8-1), the water tank water outlet pipe (8-6) is fixedly connected to the cooling pipe (8-5) and the heat dissipation water tank (8-4), the cooling circulating pump (8-7) is fixedly connected to the water tank water outlet pipe (8-6), the water tank water outlet pipe (8-6) is provided with a circulating manifold (8-8), the cooling water return pipe (8-9) is fixedly connected to the upper end of the cooling pipe (8-5), the water tank water inlet pipe (8-10) is fixedly connected to the upper end of the heat dissipation water tank (8-4), and the circulating manifold (8-8), the cooling water return pipe (8-9) and the water tank water inlet pipe (8-10) are all communicated with the temperature control regulating valve (8-11).

3. An automatic homing device for a spindle of a machine tool according to claim 2, characterized in that: the lifting assembly (1) comprises a bedplate (1-1), a lifting frame (1-2), lifting limit rods (1-3), lifting screw rods (1-4) and lifting motors (1-5), wherein the lifting frame (1-2) is fixedly connected to the rear side of the bedplate (1-1), two lifting limit rods (1-3) are fixedly connected between the bedplate (1-1) and the lifting frame (1-2), two lifting screw rods (1-4) are rotatably connected between the bedplate (1-1) and the lifting frame (1-2), the two lifting motors (1-5) are fixedly connected to the upper ends of the lifting frame (1-2), and the upper ends of the two lifting screw rods (1-4) are respectively and fixedly connected to output shafts of the two lifting motors (1-5).

4. An automatic homing device for a spindle of a machine tool according to claim 3, characterized in that: the sliding assembly I (2) comprises a lifting sliding frame (2-1), a lifting plate (2-2), a moving frame I (2-3), a moving screw rod I (2-4) and a moving motor I (2-5), the lifting sliding frame (2-1) is connected between the lifting frame (1-2) and the two lifting limiting rods (1-3) in a sliding mode, the lifting plate (2-2) is fixedly connected onto the lifting sliding frame (2-1), the lifting plate (2-2) and the two lifting screw rods (1-4) are in threaded transmission, the left end and the right end of the lifting sliding frame (2-1) are fixedly connected with the moving frame I (2-3), the two moving screw rods I (2-4) are connected between the two moving frames I (2-3) in a rotating mode, the moving frame I (2-3) at the right end is fixedly connected with the two moving motors I (2-5), the two movable screw rods I (2-4) are respectively and fixedly connected to output shafts of the two movable motors I (2-5).

5. The automatic homing device for the spindle of the machine tool according to claim 4, wherein: the sliding assembly II (3) comprises a moving frame II (3-1), a sliding groove (3-2), a spindle groove (3-3), threaded pipes (3-4), moving screw rods II (3-5) and moving motors II (3-6), the sliding groove (3-2) is arranged on each of the left side and the right side of the moving frame II (3-1), the spindle groove (3-3) is arranged in the middle of the moving frame II (3-1), the threaded pipes (3-4) are fixedly connected to the front end and the rear end of the moving frame II (3-1), the two threaded pipes (3-4) are in threaded transmission with the two moving screw rods I (2-4) respectively, the two moving screw rods II (3-5) are rotatably connected to the left side and the right side of the moving frame II (3-1) respectively, the two moving motors II (3-6) are fixedly connected to the front end of the moving frame II (3-1), the two movable screw rods II (3-5) are respectively and fixedly connected to output shafts of the two movable motors II (3-6).

6. An automatic homing device for a spindle of a machine tool according to claim 5, characterized in that: the spindle assembly (4) comprises a spindle box (4-1), oil return holes (4-2), oil spray holes (4-3), a spindle mounting frame (4-4), spindle sliding plates (4-5), spindle threaded pipes (4-6) and spindles (4-7), the oil return holes (4-2) are formed in the lower end of the spindle box (4-1), the oil spray holes (4-3) are formed in the upper end of the spindle box (4-1), the spindle mounting frame (4-4) is fixedly connected to the left side of the spindle box (4-1), the two spindle sliding plates (4-5) are fixedly connected to the lower end of the spindle box (4-1), the spindle threaded pipes (4-6) are fixedly connected to the two spindle sliding plates (4-5), and the two spindle threaded pipes (4-6) and the two movable screw rods II (3-5) are in threaded transmission, the main shaft (4-7) is rotatably connected to the lower end of the main shaft box (4-1), the upper end and the lower end of the oil return pipe (8-1) are respectively and fixedly connected to the oil injection hole (4-3) and the oil return hole (4-2), and the heat dissipation water tank (8-4) is fixedly connected to the main shaft box (4-1).

7. An automatic homing device for a spindle of a machine tool according to claim 6, characterized in that: the driving assembly (5) comprises a driving motor (5-1), a high-grade input gear (5-2) and a low-grade input gear (5-3), the driving motor (5-1) is fixedly connected to the spindle mounting frame (4-4), and the high-grade input gear (5-2) and the low-grade input gear (5-3) are both fixedly connected to an output shaft of the driving motor (5-1).

8. An automatic homing device for a spindle of a machine tool according to claim 7, characterized in that: the driven assembly (6) comprises an output shaft (6-1), a blocking ring (6-2), an adjusting sliding frame (6-3), a high-grade output gear (6-4) and a low-grade output gear (6-5), the upper end of the output shaft (6-1) is rotatably connected to a main shaft mounting frame (4-4), the lower end of the output shaft (6-1) is fixedly connected to a main shaft (4-7), the upper end and the lower end of the output shaft (6-1) are both rotatably connected with the blocking ring (6-2), the adjusting sliding frame (6-3) is fixedly connected to the middle of the output shaft (6-1), the high-grade output gear (6-4) and the low-grade output gear (6-5) are respectively rotatably connected to the upper side and the lower side of the output shaft (6-1), and the high-grade output gear (6-4) and the high-grade, the low-stage output gear (6-5) and the low-stage input gear (5-3) are in meshed transmission.

9. An automatic homing device for a spindle of a machine tool according to claim 8, wherein: the adjusting assembly (7) comprises an adjusting friction ring (7-1), an adjusting thread plate (7-2) and an adjusting rotating rod (7-3), the adjusting friction ring (7-1) is connected to an adjusting sliding frame (6-3) in a sliding mode, the adjusting thread plate (7-2) is connected to the adjusting friction ring (7-1) in a rotating mode, the adjusting rotating rod (7-3) is connected to a spindle mounting frame (4-4) in a rotating mode, and the adjusting rotating rod (7-3) and the adjusting thread plate (7-2) are in threaded transmission.