CN219805859U - Double-shaft driving machining mechanism for multifunctional closed-loop five-shaft numerical control grinding machine - Google Patents

Abstract

The utility model discloses a double-shaft driving machining mechanism for a multifunctional closed-loop five-shaft numerical control grinding machine, which relates to the technical field of numerical control machine tools. The utility model has the advantages of reasonable design, high processing precision and adaptability to different processing technologies.

Description

Double-shaft driving machining mechanism for multifunctional closed-loop five-shaft numerical control grinding machine

Technical Field

The utility model relates to the technical field of numerical control machine tools, in particular to the technical field of double-shaft driving machining mechanisms for a multifunctional closed-loop five-shaft numerical control grinding machine.

Background

The numerical control machine tool is a numerical control machine tool (Computer numerical control machine tools) for short, and is an automatic machine tool provided with a program control system. The control system is able to logically process a program defined by control codes or other symbolic instructions, and to decode it, expressed in coded numbers, and input to the numerical control device via the information carrier. The numerical control device sends out various control signals to control the action of the machine tool through operation processing, and parts are automatically machined according to the shape and the size required by the drawing. The numerical control machine tool well solves the problems of complex, precise, small batch and multiple kinds of part processing, is a flexible and high-efficiency automatic machine tool, represents the development direction of the modern machine tool control technology, and is a typical electromechanical integrated product. The five-axis numerical control grinding machine is one of numerical control machine tools, and the prior patent discloses the following technology:

patent publication No. cn202010183717.X, entitled "a five-axis numerically controlled grinding machine", discloses the following: the five-axis numerical control grinding machine comprises an operation table, wherein the rear side of the top of the operation table is connected with a longitudinal support plate in a sliding manner through a rail mechanism; the top of the longitudinal supporting plate is fixedly connected with a second electric cylinder; the bottom of the output rod of the second electric cylinder is fixedly connected with a mounting frame; a sliding groove is formed in the back of the mounting frame; the inner wall of the chute is connected to the surface of the longitudinal supporting plate in a sliding way; the front surface of the mounting frame is fixedly provided with a polishing mechanism; rotating the bidirectional screw rod, wherein two opposite threads of the bidirectional screw rod can drive the first sliding block and the second sliding block to synchronously move in opposite directions, so that the function of adjusting the distance is achieved, and polishing pieces with different lengths are met; the back-up roll surface and the surface of polishing piece contact each other, support for the bottom of polishing piece obtains stable support, reduces to rock, avoids influencing the problem of quality of polishing because rocking.

The five-axis numerical control grinding machine disclosed in the patent has the defects of single machining mode, incapability of meeting high-end requirements and incapability of meeting various machining processes.

Disclosure of Invention

The utility model aims at: the utility model provides a double-shaft driving machining mechanism for a multifunctional closed-loop five-shaft numerical control grinding machine, which aims to solve the problems that the existing five-shaft numerical control grinding machine has a single machining mode, cannot meet high-end requirements and cannot meet various machining processes.

The utility model adopts the following technical scheme for realizing the purposes:

a biax drive processing agency for five numerical control grinders of multi-functional closed loop, including the mounting bracket, along the Z axle tray of mounting bracket lift, set up the Z axle revolving stage on the Z axle tray and set up the work piece axle (cutter or emery wheel axle) on the Z axle revolving stage, the axial lead of Z axle revolving stage and the axial lead coincidence of work piece axle and all transversely set up, first processing axle and second processing axle are installed side by side to the work piece axle end, first processing axle and second processing axle all vertically set up, the rotational speed of first processing axle is less than the rotational speed of second processing axle, first emery wheel group is installed to the end of first processing axle, the second emery wheel group is installed to the end of second processing axle.

Further, in the initial state, the first machining shaft is located at the outer side, and the second machining shaft is located at the inner side.

Further, be provided with the B axle driver of drive Z axle revolving stage pivoted on the mounting bracket, be provided with vertical direction slide rail on the mounting bracket, be provided with on the Z axle tray with the slider of vertical direction slide rail slip joint, be provided with the straight line actuating mechanism that drives Z axle tray and go up and down in the mounting bracket, straight line actuating mechanism is one of lift cylinder, electric lift jar or lift lead screw, still include with actuating mechanism complex grating chi displacement sensor.

Further, the first machining shaft and the second machining shaft are driven by a first driving motor and a second driving motor respectively, and a first power interface and a second power interface are arranged on the driving of the first driving motor and the driving of the second driving motor respectively.

Further, the first driving motor and the second driving motor are respectively provided with a cooling liquid inlet and outlet interface of the main shaft constant temperature control system module.

The beneficial effects of the utility model are as follows:

the utility model has simple structure, wherein the tail end of the workpiece shaft is provided with a first processing shaft and a second processing shaft in parallel, the first processing shaft and the second processing shaft are both longitudinally arranged, the rotating speed of the first processing shaft is lower than that of the second processing shaft, the tail end of the first processing shaft is provided with a first grinding wheel group, and the tail end of the second processing shaft is provided with a second grinding wheel group; the rotating speed of the first processing shaft is lower than that of the second processing shaft, so that the rotating speed of the first processing shaft is lower than that of the second processing shaft, and the rotating speed of the first processing shaft is lower than that of the second processing shaft.

Specifically, the grinding main shaft of the existing five-axis numerical control grinding machine is single, and the machining under various rotating speeds or working conditions cannot be met, and the double-main-shaft design of the equipment is designed by combining a main shaft system of a five-axis high-speed machining center and a main shaft system of a five-axis numerical control tool grinding machine and combining a main shaft cooling system, so that the machining stability and the machining precision of the double main shafts are improved and ensured.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a partial schematic view of the structure of FIG. 1;

FIG. 3 is a view from one side of FIG. 2;

FIG. 4 is a schematic structural view of a dual-shaft grinding mechanism;

FIG. 5 is a view from one side of FIG. 4;

FIG. 6 is a view from the direction of A-A in FIG. 5;

FIG. 7 is a partial schematic view of the clamping mechanism;

FIG. 8 is a schematic view of the structure of the workpiece axle clamp;

reference numerals: the tool comprises a 1-Z axis driver, a 2-blank library, a 3-lathe bed, a 4-operation door, a 5-display, a 6-system operation panel, a 7-observation window, an 8-observation window, a 9-electric control cabinet, a 10-oil mist port, an 11-automatic door, a 12-mechanical arm, a 13-first grinding wheel set, a 14-workpiece axis chuck, a 15-grinding wheel trimming disc, a 16-C axis tray, a 17-C axis turntable, an 18-automatic measuring system, a 19-second grinding wheel set, a 20-Z axis turntable, a 21-Z axis tray, a 22-position detecting mechanism, a 23-A axis assembly, a 24-finished product disc, a 25-blank disc, a 26-first power interface, a 27-second power interface, a 28-spindle cooling liquid interface, a 29-first spindle, a 30-second spindle and a 31-SRS adjustable tool handle.

Description of the embodiments

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures. Furthermore, the terms "first," "second," and the like, are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.

In describing embodiments of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "inner", "outer", "upper", etc. are directions or positional relationships based on those shown in the drawings, or those that are conventionally put in place when the inventive product is used, are merely for convenience of description and simplification of description, and are not indicative or implying that the apparatus or element in question must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.

Examples

As shown in fig. 1 to 8, the present embodiment provides a multifunctional closed-loop five-axis numerical control grinding machine, which comprises a machine body 3, an electric control cabinet 9, a grinding machine body and a stock warehouse, wherein the electric control cabinet 9, the grinding machine body and the stock warehouse are all arranged on the machine body 3, the grinding machine body comprises an outer shell, a clamping mechanism for clamping a workpiece to be ground, a position detection mechanism 22 for detecting the position of the workpiece to be ground, a biaxial power machining mechanism for grinding the workpiece and an automatic measuring system 18 for measuring the workpiece are arranged in the outer shell, the clamping mechanism, the position detection mechanism 22, the biaxial power machining mechanism and the automatic measuring system 18 are all electrically connected with the electric control cabinet 9, and a ventilation and heat dissipation mechanism is arranged on the electric control cabinet 9.

The blank storehouse includes the box, is provided with finished product dish 24, blank dish 25 and robotic arm 12 in the box, and robotic arm 12 cooperates with finished product dish 24 and blank dish 25, is provided with on the lateral wall with the inside automatically-controlled door 11 of intercommunication of shell, robotic arm 12 passes automatically-controlled door 11 and fixture cooperation, still is provided with the chamber door on the box, and robotic arm 12 end is provided with the unloading chuck.

Specifically, the setting of chamber door is convenient for the workman to get and put finished product and blank, and the setting of robotic arm 12 can be through automatic door 11 to send to fixture on the centre gripping after snatching the blank that waits to process in the blank dish 25 and to grasp, after the processing, transfer to finished product dish 24 again to the finished product on the fixture is taken off, and robotic arm 12 is used for snatching the blank that waits to process in the blank dish 25 and places the finished product after processing and to finished product dish 24.

Examples

The embodiment is further optimized based on the embodiment 1, specifically:

the clamping mechanism comprises a longitudinal moving assembly, a transverse moving assembly arranged on the longitudinal moving assembly, a C-axis rotating mechanism arranged on the transverse moving assembly and an A-axis rotating clamping mechanism arranged on the C-axis rotating mechanism, wherein the rotating shaft of the C-axis rotating mechanism is vertically arranged, and the rotating shaft of the A-axis rotating clamping mechanism is longitudinally arranged.

The longitudinal moving assembly comprises a longitudinal moving platform, a longitudinal driving module for driving the longitudinal moving platform to longitudinally move, and a grating ruler displacement sensor matched with the linear driving mechanism, wherein the longitudinal driving module is one of a lifting cylinder, an electric lifting cylinder or a lifting screw rod.

The transverse moving assembly comprises a transverse moving platform and a transverse driving module for driving the transverse moving platform to transversely move, wherein the transverse moving platform is arranged on the longitudinal moving platform in a sliding mode, the transverse driving module is arranged between the transverse moving platform and the longitudinal moving platform, and the transverse driving module is one of a lifting cylinder, an electric lifting cylinder or a lifting screw rod and further comprises a grating ruler displacement sensor matched with the linear driving mechanism.

The C-axis rotating mechanism comprises a C-axis tray 16 arranged on the transverse moving assembly, and a C-axis turntable 17 with a rotating center arranged vertically is arranged on the C-axis tray 16.

The A-Axis rotating clamping mechanism includes a transversely disposed A-Axis assembly 23 on the C-axis turntable 17 and a workpiece axis chuck 14 disposed at the end of the A-Axis assembly 23.

The workpiece shaft chuck 14 comprises an SRS adjustable cutter handle 31 and a workpiece shaft chuck 14 clamped in the SRS adjustable cutter handle 31, the clamping section of the chuck is matched with the shape of a blank to be clamped, and the clamping section of the workpiece shaft chuck 14 is D-shaped.

The A-Axis assembly 23 is provided with a grinding wheel dresser.

Examples

This example was further optimized based on examples 1 or 2, specifically:

the double-shaft power machining mechanism comprises a mounting frame, a Z-shaft tray 21, a Z-shaft rotary table 20 and a workpiece shaft, wherein the Z-shaft rotary table 21 is lifted along the mounting frame, the workpiece shaft is arranged on the Z-shaft rotary table 20, the axis of the Z-shaft rotary table 20 is coincident with the axis of the workpiece shaft and is transversely arranged, a first machining shaft and a second machining shaft are arranged at the tail end of the workpiece shaft in parallel, the first machining shaft and the second machining shaft are longitudinally arranged, the rotating speed of the first machining shaft is lower than that of the second machining shaft, the first grinding wheel set 13 is arranged at the tail end of the first machining shaft, and the second grinding wheel set 19 is arranged at the tail end of the second machining shaft.

In the initial state, the first machining shaft is located on the outer side, and the second machining shaft is located on the inner side.

Be provided with the pivoted Z axle driver 1 of drive Z axle revolving stage 20 on the mounting bracket, be provided with vertical direction slide rail on the mounting bracket, be provided with on the Z axle tray 21 with the slider of vertical direction slide rail slip joint, be provided with the straight line actuating mechanism that drives Z axle tray 21 and go up and down in the mounting bracket, straight line actuating mechanism is one of lift cylinder, electric lift jar or lift lead screw, still include with straight line actuating mechanism complex grating chi displacement sensor.

The first machining shaft and the second machining shaft are driven by a first driving motor and a second driving motor respectively, and a first power interface 26 and a second power interface 27 are arranged on the first driving motor and the second driving motor respectively.

The first drive motor and the second drive motor are both provided with a cooling liquid inlet and outlet interface 28 of the main shaft constant temperature control system module.

The outer shell is also provided with an operation door 4, a display 5, a system operation panel 6, an observation window 8, a cooling liquid inlet and an oil mist separation system module port 10.

The ventilation and heat dissipation mechanism is a heat dissipation port arranged on the side walls of the two sides of the electric control cabinet 9, the two heat dissipation ports are in stroke convection, and the ventilation and heat dissipation mechanism further comprises a constant temperature control system module for controlling the temperature of the main shaft, wherein the constant temperature control system is arranged in the electric control cabinet 9, and the constant temperature machine is arranged outside the electric control cabinet 9.

The working flow of the multifunctional closed-loop five-axis numerical control grinding machine comprises the following steps:

s1, firstly, preparing processed blanks in advance, and loading the blanks on a material tray in a product warehouse;

s2, starting a machining program;

s3, starting a robot, grabbing blanks of a product warehouse, and opening a protective door at the same time;

s4, the workpiece shaft moves to an upper discharging position and a lower discharging position;

s5, a protective door of the feeding and discharging system is opened, and a robot blank is arranged on a workpiece shaft;

s6, the robot is returned to the feeding and discharging system, and the protective door is closed;

s7, moving the workpiece shaft to the position of the workpiece detection module, and determining the center and the end face position of the product;

s8, moving the workpiece shaft to the first main shaft position for peripheral grinding;

s9, after the machining is finished, the main shaft module rotates 90 degrees anticlockwise, and the workpiece shaft moves to the second main shaft position for product precision machining;

s10, turning the grinding wheel shaft to a zero position, rotating the workpiece shaft by 90 degrees, and moving the workpiece shaft to an online measurement module for online detection;

s11, after the measurement is qualified, the workpiece shaft moves to an upper blanking position;

s12, grabbing blanks by a robot, opening a protective door of a loading and unloading system, unloading by the robot, and loading new blanks;

s13, returning the robot to a finished product warehouse, closing a protective door, and continuously executing processing;

s14, placing the processed product on a finished product tray, and grabbing blanks to wait for the next processing.

Claims (5)

1. The utility model provides a biax drive processing agency for five numerical control grinders of multi-functional closed loop, its characterized in that, include the mounting bracket, follow Z axle tray (21) that the mounting bracket goes up and down, set up Z axle revolving stage (20) on Z axle tray (21) and set up work piece axle on Z axle revolving stage (20), the axial lead of Z axle revolving stage (20) with the axial lead coincidence of work piece axle and all transversely set up, first processing axle and second processing axle are installed side by side to the work piece axle end, first processing axle with the rotational speed of second processing axle is all vertically set up, first grinding wheel group (13) are installed to the rotational speed of first processing axle, second grinding wheel group (19) are installed to the end of second processing axle.

2. The dual spindle drive tooling mechanism for a multi-function, closed loop five spindle numerically controlled grinder of claim 1, wherein the first tooling spindle is located on the outside and the second tooling spindle is located on the inside in an initial state.

3. The double-shaft driving machining mechanism for the multifunctional closed-loop five-shaft numerical control grinding machine according to claim 1, wherein a B-shaft driver (1) for driving a Z-shaft rotary table (20) to rotate is arranged on the mounting frame, a vertical guide sliding rail is arranged on the mounting frame, a sliding block which is in sliding clamping connection with the vertical guide sliding rail is arranged on the Z-shaft tray (21), a linear driving mechanism for driving the Z-shaft tray (21) to lift is arranged in the mounting frame, and the linear driving mechanism is one of a lifting cylinder, an electric lifting cylinder or a lifting screw rod and further comprises a grating ruler displacement sensor matched with the driving mechanism.

4. A dual-axis drive processing mechanism for a multi-function closed-loop five-axis numerically controlled grinder as in claim 1, wherein the first and second processing axes are driven by first and second drive motors, respectively, with first and second power interfaces (26, 27) provided thereon, respectively.

5. The dual spindle drive processing machine for a multi-function, closed loop, five-axis numerically controlled grinding machine of claim 4, wherein the first drive motor and the second drive motor are each provided with a coolant inlet and outlet interface (28) of a spindle thermostatic control system module.