CN115673870B - Device and method for detecting temperature rise of internal heating value of five-axis gantry milling AC swing angle milling head - Google Patents
Device and method for detecting temperature rise of internal heating value of five-axis gantry milling AC swing angle milling head Download PDFInfo
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Abstract
The invention relates to the field of numerical control milling heads, in particular to a device and a method for detecting temperature rise of heat productivity inside a five-axis gantry milling AC swing angle milling head. The temperature rise detection device provided by the invention divides the surface of the spindle sleeve into a plurality of collection points by arranging a plurality of elastic heat conduction blocks, a heat dissipation plate and a temperature sensor, detects in a modularized mode, transmits the temperatures of different collection points on the surface of the spindle sleeve to an external display, measures the temperature rise speed of different position points on the surface of the spindle sleeve, judges an abnormal temperature rise point, starts a heat dissipation mechanism on the heat dissipation plate at the abnormal temperature rise point, dissipates the heat of the abnormal temperature rise point until the abnormal temperature rise point Wen Sheng rises normally, thereby reducing the surface temperature of the spindle sleeve, reducing the mutual influence, transmission and superposition of deformation of various parts, reducing the deviation value of a tool nose and an ideal processing track, and improving the processing precision.
Description
Technical Field
The invention relates to the field of numerical control milling heads, in particular to a device and a method for detecting temperature rise of heat productivity inside a five-axis gantry milling AC swing angle milling head.
Background
The double-swing-angle milling head is a core component of a five-axis numerical control machine tool, and the machining precision of the machine tool can be seriously influenced by the change of the precision of the swing-angle milling head. In the machining process of a machine tool, a large amount of heat is generated by the double-swing-angle milling head under the action of an internal heat source and an external heat source, internal parts deform due to heating, the deformation of the parts is influenced, transmitted and superposed, and is finally reflected at a tool nose, and the tool nose deviates from an ideal machining track, so that machining errors are generated. The thermal error compensation technology is one of key technologies for improving the machining precision of a five-axis linkage numerical control machine tool, and thermal error compensation control equipment becomes an essential intelligent module of a modern high-grade numerical control machine tool.
In the prior art, chinese invention patent with application number CN201010003311.5 discloses a mechanical spindle type AC double-swing-angle numerical control milling head, which comprises a ram for connecting to a machine tool slide plate, a fork body connected with the ram, and a spindle unit arranged at the top end of the fork body and connected with a tool, and is characterized in that: a C-axis servo motor, a C-axis speed reducing unit for driving the fork-shaped body to rotate and a main shaft transmission shaft are arranged in a cavity of the ram, and a transmission structure between the C-axis speed reducing unit and the fork-shaped body is a gear pair; and a main motion transmission box connected with the main shaft transmission shaft, an A-axis servo motor and an A-axis reduction box connected with the output of the A-axis servo motor are fixed in the fork-shaped body, and the outputs of the main motion transmission box and the A-axis reduction box are connected with the main shaft unit through a gear pair.
According to the case, the internal temperature of the five-axis numerical control machine tool is influenced by the temperature generated by the meshing friction of the spindle and the spindle sleeve.
In the prior art, because the temperature of the contact position of the shaft sleeve and the shaft is high, and the temperature of a certain point is extremely high, when the temperature of the five-axis numerical control machine tool is measured, the temperature sensors are arranged on the outer side wall of the five-axis numerical control machine tool to measure the average temperature of the whole inner part of the five-axis numerical control machine tool, but the temperature of a specific certain point of the main shaft and the main shaft sleeve is difficult to measure, when the temperature of a certain point of the contact position of the shaft sleeve and the shaft is abnormally increased, the deformation, the transmission and the superposition of all parts can be caused, the deformation, the transmission and the superposition of all parts can be finally reflected at the cutter point, and the cutter point deviates from an ideal machining track, so that the problem of machining errors can be caused.
Based on the above, the invention designs a device and a method for detecting the temperature rise of the internal heating value of the five-axis gantry milling AC swing angle milling head, so as to solve the above problems.
Disclosure of Invention
The invention aims to provide a device and a method for detecting temperature rise of heat productivity in an AC swing angle milling head of a five-axis gantry milling machine, and aims to solve the problems that in the prior art, when the temperature of a certain point of a contact position of a shaft sleeve and a shaft is abnormally increased, deformation of parts is influenced, transmitted and overlapped, and finally reflected at a tool nose, the tool nose deviates from an ideal machining track, and a machining error is generated.
In order to achieve the purpose, the invention provides the following technical scheme: the internal heating value temperature rise detection device of the five-axis gantry milling AC swing angle milling head comprises a main shaft type AC double-swing angle numerical control machine body, wherein two sides of the machine body are fixedly connected with shells in a detachable mode, mounting holes are formed in the positions, corresponding to main shaft sleeves of the machine body, of the surfaces of the outer side walls of the shells in an array mode, the outer side walls of the shells are fixedly connected with mounting rings in a detachable mode in an array mode, a mounting cylinder is fixedly connected to the inner side wall of each shell 2, a heat dissipation plate is arranged at the end part of each mounting cylinder after the end part of each mounting cylinder penetrates through the corresponding mounting hole, and the heat dissipation plates are attached to the surfaces of the main shaft sleeves;
the other end of the mounting cylinder is fixedly connected with a first slide bar in an array mode, the end surfaces of a plurality of first slide bars are connected with a temperature transmission pipe in a sliding mode together, and the surface of each first slide bar is sleeved with a first return spring;
the end part of the temperature transmission pipe penetrates through the mounting cylinder and is not in contact with the inner side wall of the mounting cylinder, the end part of the temperature transmission pipe is fixedly connected with an elastic heat conduction block, the elastic heat conduction block is retracted into the end part of the mounting cylinder, a temperature sensor is fixedly connected in the mounting cylinder, the temperature sensor is fixedly connected with the elastic heat conduction block, the other end of the temperature sensor is electrically connected with a heat conduction wire, and the other end of the heat conduction wire is electrically connected with an interface of the end part of the temperature transmission pipe;
the inner side wall of the mounting ring is fixedly connected with a first magnetic plate, an end interface of the temperature transmission pipe extends out of the mounting ring, the end interface of the temperature transmission pipe is electrically connected with a wire joint in a pulling and inserting mode, the surface of the wire joint is fixedly connected with a second magnetic plate matched with the first magnetic plate, the surface array of the second magnetic plate is provided with a abdicating groove matched with the first sliding rod, the other end of the wire joint is electrically connected with a transmission wire, the transmission wire is electrically connected with an external display, and the surface of each radiating plate is provided with a radiating mechanism;
during operation, among the prior art, when the contact position certain point temperature anomaly of axle sleeve and axle risees, can lead to each part deformation interact, transmission, stack, and final reflection is in knife tip department, and the knife tip deviates with the processing orbit of ideal, can produce machining error's problem, and above-mentioned problem can be solved to this technical scheme, and concrete operation is as follows: firstly, a plurality of installation cylinders respectively penetrate through installation holes, then, installation rings are fixedly connected on a shell in a detachable mode, then, the shell is fixedly connected on the side wall of a machine body in a detachable mode, at the moment, a heat dissipation plate arranged at the end part of the installation cylinder is respectively attached to different positions of the surface of a spindle sleeve and dissipates heat of different positions of the surface of the spindle sleeve, at the moment, an elastic heat conduction block is arranged in the end part of an internal shrinkage transmission pipe and is not contacted with the surface of the spindle sleeve, then, a lead joint with a second magnetic plate is inserted into an end interface of a temperature transmission pipe to be connected, under the attraction of a first magnetic plate, the second magnetic plate is close to the first magnetic plate, the second magnetic plate drives the temperature transmission pipe to move towards the end part of the installation cylinder along a first sliding rod, so that the elastic heat conduction block is attached to the surface of the spindle sleeve, a first reset spring is compressed, and then, the other ends of a plurality of the lead joints are electrically connected with a display, when the machine body is started, the main shaft sleeve and the main shaft move relatively, heat is generated due to friction, so that the temperature of the main shaft sleeve is shot high, the temperature of the surface of the main shaft sleeve corresponding to a collecting point is conducted through the elastic heat conducting block, then the numerical value is transmitted to an external display through the temperature sensor, the heat conducting wire and the transmission wire, the temperature numerical values measured by the temperature sensors at different positions at the same time are recorded through the external display, the temperature curve relations at different positions are made, the temperature numerical values measured by the temperature sensors at the same position at different times are made, the temperature curve relations at different times are made, the temperature rising speed values at different positions on the surface of the main shaft sleeve are measured, the measured speed values at the multiple position points are compared with the standard speed value of the main shaft sleeve in the database, and when the measured speed value is not larger than the standard speed value, the temperature rise detection device comprises a plurality of elastic heat conduction blocks, a heat dissipation plate, a temperature sensor and a temperature transmission pipe, wherein the elastic heat conduction blocks are arranged on the surface of the spindle sleeve and are divided into a plurality of collection points, the detection is carried out in a modularized mode, the elastic heat conduction blocks are directly contacted with the surface of the spindle sleeve, the temperature loss is reduced, the detection accuracy is improved, meanwhile, the temperatures of different collection points on the surface of the spindle sleeve are transmitted to an external display, the temperature rise speed values at different positions on the surface of the spindle sleeve are measured through the external display, the measured speed values at the plurality of positions are compared with the standard speed value of the spindle sleeve in a database, when the measured speed values are not greater than the standard speed value, the temperature rise change of the spindle sleeve is normal, otherwise, the temperature rise change of the temperature measurement point is abnormal, the heat dissipation mechanism on the heat dissipation plate at the abnormal temperature measurement point is started, the heat dissipation speed values are compared with the standard speed value in the database, the temperature rise speed value is reduced, the temperature rise change of the spindle sleeve is reduced, the cutter nose temperature change is reduced, and the cutter point is processed, and the cutter point deformation precision is finally reflected.
As a further scheme of the invention, the heat dissipation mechanism comprises a water tank, the heat dissipation plate is of a hollow structure, the surface of the heat dissipation plate is respectively and fixedly communicated with a water inlet pipe and a water outlet pipe, the top ends of the plurality of water inlet pipes and the water outlet pipes penetrate through the top end of the shell and are respectively and fixedly communicated with the water tank, electromagnetic valves are respectively arranged in the water inlet pipes and the water outlet pipes, and the electromagnetic valves are electrically connected with an external display; when the temperature-rise machining tool works, the heat dissipation mechanism is arranged, when the temperature rise speed of a temperature-measuring point at a certain position rises abnormally, the cooling water in the water tank flows into the heat dissipation plate in a circulating mode through the external display and the control electromagnetic valve through the water inlet pipe and the water outlet pipe, the temperature of the heat dissipation plate is reduced, the temperature of the heat dissipation plate at the abnormal temperature-measuring point is reduced by the heat dissipation plate, the temperature rise speed is reduced, deformation mutual influence, transmission and superposition of parts are reduced, the parts are finally reflected at the tool tip, the deviation value of the tool tip and an ideal machining track is finally reduced, and the machining precision is improved.
As a further scheme of the invention, the heat dissipation plate is an annular plate, the heat dissipation plate is slidably connected to the surface of the installation cylinder, the end parts of the heat dissipation plate are fixedly connected with second slide bars in an array manner, the end parts of the second slide bars are jointly slidably connected with a connection ring, the connection ring is fixedly connected to the surface of the end part of the installation cylinder, the surface of the second slide bar is sleeved with a second return spring, and two ends of the second return spring are respectively and fixedly connected to the heat dissipation plate and the connection ring; when the spindle sleeve is in work, the pressure of the heat dissipation plate on the temperature measurement point is improved by arranging the second sliding rod, the second return spring and the connecting ring, so that the heat dissipation plate is tightly attached to the temperature measurement point, the heat dissipation capability of the heat dissipation plate on the temperature measurement point is improved, the temperature of the spindle sleeve is reduced, the mutual influence, transmission and superposition of deformation of parts are reduced, the parts are finally reflected at the cutter tip, the deviation value between the cutter tip and an ideal processing track is finally reduced, and the processing precision is improved.
As a further aspect of the present invention, the mounting cylinder is a heat insulating cylinder; when the temperature sensor works, the installation cylinder is the heat insulation cylinder, so that the temperature loss of the elastic heat conduction block is reduced, and the accuracy of measuring the temperature by the temperature sensor is improved.
As a further scheme of the invention, the surface of the outer shell is fixedly connected with an installation shell through a bolt, and the surface of the installation shell fixedly connects the installation shell to the outer side wall of the machine body through the bolt; during operation, the installation shell is arranged, so that the shell can be conveniently and manually installed and detached.
As a further scheme of the invention, the mounting ring is fixedly connected on the surface of the shell through bolts, and the diameter of the mounting hole is matched with that of the radiating plate; during operation, the surface of the ring shell is installed through bolts, so that the heat dissipation plate and the elastic heat conduction block at a certain position can be conveniently and independently disassembled and installed manually.
In order to solve the problems, the invention also provides a using method of the internal heating value temperature rise detection device of the five-axis gantry milling AC swing angle milling head, and the using method of the detection device comprises the following steps:
s1: firstly, a plurality of mounting cylinders respectively penetrate through the mounting holes, then the mounting rings are fixedly connected to the shell in a detachable mode, then the shell is fixedly connected to the side wall of the machine body in a detachable mode, the heat dissipation plates arranged at the end parts of the mounting cylinders are respectively attached to the surfaces of different positions of the main shaft sleeve and dissipate heat of different positions of the surface of the main shaft sleeve, and at the moment, the elastic heat conduction blocks are arranged in the end parts of the internal shrinkage transmission pipes and are not in contact with the surface of the main shaft sleeve;
s2: then inserting a wire joint with a second magnetic plate into an end interface of the temperature transmission pipe for connection, enabling the second magnetic plate to approach the first magnetic plate under the attraction of the first magnetic plate, driving the temperature transmission pipe to move towards the end of the mounting cylinder along the first sliding rod by the second magnetic plate, enabling the elastic heat-conducting block to be attached to the surface of the spindle sleeve, and compressing the first return spring;
s3: then electrically connecting the other ends of the plurality of lead connectors with an external display;
s4: when the machine body is started, the main shaft sleeve and the main shaft move relatively, heat is generated due to friction, so that the temperature of the main shaft sleeve is high, the temperature of the surface of the main shaft sleeve corresponding to a collecting point is conducted through the elastic heat conducting block, and then the numerical value is transmitted to an external display through the temperature sensor, the heat conducting wire and the transmission wire;
s5: recording temperature values measured by temperature sensors at different positions at the same time through an external display, and making temperature curve relations at different positions, and temperature values measured by temperature sensors at the same position at different times, and making temperature curve relations at different times, so as to measure temperature rise speed values at different positions on the surface of the spindle sleeve;
s6: comparing the measured speed values at the plurality of position points with the standard speed values of the spindle sleeve in the database, and when the measured speed values are not greater than the standard speed values, indicating that the temperature rise change of the temperature measuring points is normal, otherwise, indicating that the temperature rise change of the temperature measuring points is abnormal;
s7: and then starting a heat dissipation mechanism on the heat dissipation plate at the abnormal temperature measurement point to dissipate heat of the abnormal temperature measurement point until the temperature speed change of the temperature measurement point is normal.
As a further aspect of the present invention, the step S7 includes:
s701: when the temperature rise speed of a certain temperature measuring point rises abnormally, the cooling water in the water tank flows into the heat dissipation plate in a circulating mode through the external display, the control electromagnetic valve, the water inlet pipe and the water outlet pipe, and the temperature of the heat dissipation plate is reduced.
Compared with the prior art, the invention has the beneficial effects that:
1. the temperature rise detection device comprises a plurality of elastic heat conduction blocks, a heat dissipation plate, a temperature sensor and a temperature transmission pipe, wherein the surface of a spindle sleeve is divided into a plurality of collection points, the collection points are detected in a modularization mode, the temperatures of the different collection points on the surface of the spindle sleeve are transmitted to an external display, the speed values of temperature rise on the different position points on the surface of the spindle sleeve are measured through the external display, an abnormal temperature rise point is judged, a heat dissipation mechanism on the heat dissipation plate at the abnormal temperature measurement point is started to dissipate heat of the abnormal temperature rise point until the temperature speed change of the abnormal temperature measurement point is normal, so that the surface temperature of the spindle sleeve is efficiently reduced, the deformation of each part is reduced, the mutual influence, the transmission and the superposition of each part are reduced, the part is finally reflected at a cutter point, the deviation value of the cutter point and an ideal machining track is finally reduced, and the machining precision is improved.
2. According to the detection device, the heat dissipation mechanism is arranged, when the temperature rise speed of a temperature measuring point at a certain position is abnormally increased, the cooling water in the water tank circularly flows into the heat dissipation plate through the external display and the control electromagnetic valve and the water inlet pipe and the water outlet pipe, so that the temperature of the heat dissipation plate is reduced, the temperature reduction of the heat dissipation plate on the abnormal temperature measuring point at the position is improved, the temperature rise speed is reduced, the deformation mutual influence, transmission and superposition of all parts are reduced, the parts are finally reflected at the cutter point, the deviation value of the cutter point and an ideal processing track is finally reduced, and the processing precision is improved.
3. According to the detection device, the second slide rod, the second return spring and the connecting ring are arranged, so that the pressure of the heat dissipation plate on the temperature measurement point is improved, the heat dissipation plate is tightly attached to the temperature measurement point, the heat dissipation capability of the heat dissipation plate on the temperature measurement point is improved, the temperature of the spindle sleeve is reduced, the mutual influence, transmission and superposition of deformation of parts are reduced, the parts are finally reflected at the tool tip, the deviation value of the tool tip and an ideal processing track is finally reduced, and the processing precision is improved.
4. The mounting cylinder of the detection device is a heat insulation cylinder, so that the temperature loss of the elastic heat conduction block is reduced, and the accuracy of temperature measurement of the temperature sensor is improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic view showing the overall structure of a temperature rise detecting device according to the present invention;
FIG. 2 is a side view (hidden case) of the overall structure of the temperature rise detecting device in the present invention;
FIG. 3 is an enlarged view of the point A;
FIG. 4 is an exploded view of the temperature rise detecting device of the present invention;
FIG. 5 is a partial exploded view of the temperature rise detection device of the present invention;
FIG. 6 is a view showing a first connection between a mounting ring mounting cylinder and a heat radiating plate of the temperature rise detecting device of the present invention;
FIG. 7 is a second connection between the mounting ring mounting cylinder and the heat dissipating plate of the temperature rise detecting device in accordance with the present invention;
FIG. 8 is a sectional view of a temperature transmitting pipe of the temperature rise detecting means in the present invention;
FIG. 9 is a sectional view of a heat radiating plate of the temperature rise detecting device of the present invention;
FIG. 10 is a side view of a casing of the temperature rise detecting device in the present invention;
FIG. 11 is a flow chart of a method for using the temperature rise detection device of the present invention.
In the drawings, the components represented by the respective reference numerals are listed below:
the device comprises a machine body 1, a spindle sleeve 101, a shell 2, a mounting hole 3, a mounting ring 4, a mounting cylinder 5, a heat dissipation plate 6, a first sliding rod 7, a temperature transmission pipe 8, a connector 801, a first return spring 9, an elastic heat conduction block 10, a temperature sensor 11, a heat conduction line 12, a first magnetic plate 13, a lead connector 14, a second magnetic plate 15, a relief groove 16, a transmission lead 17, a water tank 18, a water inlet pipe 19, a water outlet pipe 20, an electromagnetic valve 21, a second sliding rod 22, a connecting ring 23, a second return spring 24 and a mounting shell 25.
Detailed description of the preferred embodiments
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-11, the present invention provides a technical solution: a temperature rise detection device for heat productivity inside an AC swing angle milling head of a five-axis gantry mill comprises a main shaft type AC double-swing angle numerical control machine body 1, wherein two sides of the machine body 1 are fixedly connected with a shell 2 in a detachable mode, mounting holes 3 are formed in the surface of the outer side wall of the shell 2 in an array mode corresponding to the positions of a main shaft sleeve 101 of the machine body 1, the outer side wall of the shell 2 is fixedly connected with a mounting ring 4 in an array mode in a detachable mode, a mounting cylinder 5 is fixedly connected to the inner side wall of the shell 2, a heat dissipation plate 6 is arranged at the end part of the mounting cylinder 5 after the end part of the mounting cylinder passes through the mounting holes 3, and the heat dissipation plate 6 is attached to the surface of the main shaft sleeve 101;
a first slide bar 7 is fixedly connected to the other end of the mounting tube 5 in an array manner, the end surfaces of a plurality of first slide bars 7 are jointly connected with a temperature transmission tube 8 in a sliding manner, and a first return spring 9 is sleeved on the surface of each first slide bar 7;
the end part of the temperature transmission pipe 8 penetrates through the mounting cylinder 5 and is not in contact with the inner side wall of the mounting cylinder 5, the end part of the temperature transmission pipe 8 is fixedly connected with an elastic heat conduction block 10, the elastic heat conduction block 10 is retracted into the end part of the mounting cylinder 5, a temperature sensor 11 is fixedly connected in the mounting cylinder 5, the temperature sensor 11 is fixedly connected with the elastic heat conduction block 10, the other end of the temperature sensor 11 is electrically connected with a heat conduction wire 12, and the other end of the heat conduction wire 12 is electrically connected with an end part interface 801 of the temperature transmission pipe 8;
the inner side wall of the mounting ring 4 is fixedly connected with a first magnetic plate 13, an end interface 801 of the temperature transmission pipe 8 extends out of the mounting ring 4, the end interface 801 of the temperature transmission pipe 8 is electrically connected with a lead connector 14 in a plugging mode, the surface of the lead connector 14 is fixedly connected with a second electromagnetic plate 15 matched with the first electromagnetic plate, the surface array of the second electromagnetic plate 15 is provided with abdicating grooves 16 matched with the first slide bar 7, the other end of the lead connector 14 is electrically connected with a transmission lead 17, the transmission lead 17 is electrically connected with an external display, and the surface of the heat dissipation plate 6 is provided with a heat dissipation mechanism;
during operation, among the prior art, when the contact position certain point temperature anomaly of axle sleeve and axle risees, can lead to each part deformation influence each other, transmission, stack, finally reflects in knife tip department, and the knife tip appears the deviation with the processing orbit of ideal, can produce machining error's problem, and above-mentioned problem can be solved to this technical scheme, and concrete operation is as follows: firstly, a plurality of installation cylinders 5 respectively penetrate through installation holes 3, then, an installation ring 4 is fixedly connected on a shell 2 in a detachable mode, then, the shell 2 is fixedly connected on the side wall of a machine body 1 in a detachable mode, at the moment, heat dissipation plates 6 arranged at the end parts of the installation cylinders 5 are respectively attached to different positions of the surface of a main shaft sleeve 101, heat dissipation is carried out on different positions of the surface of the main shaft sleeve 101, at the moment, an elastic heat conduction block 10 is arranged in an inner shrinkage transmission pipe end part and is not in surface contact with the main shaft sleeve 101, then, a lead joint 14 with a second magnetic plate is inserted into an end part interface 801 of a temperature transmission pipe 8 to be connected, under the attraction of a first magnetic plate 13, the second magnetic plate approaches to the direction of the first magnetic plate 13, the second magnetic plate drives the temperature transmission pipe 8 to move towards the end part of the installation cylinders 5 along a first slide rod 7, so that the elastic heat conduction block 10 is attached to the surface of the main shaft sleeve 101, a first return spring 9 is compressed, then electrically connecting the other ends of the wire joints 14 with an external display, when the machine body 1 is started, the main shaft sleeve 101 and the main shaft move relatively to each other, and heat is generated due to friction, so that when the temperature of the main shaft sleeve 101 is high, the temperature of the surface of the main shaft sleeve 101 corresponding to the collection point is conducted through the elastic heat conducting block 10, then the numerical value is transmitted to the external display through the temperature sensor 11, the heat conducting line 12 and the transmission wire 17, the temperature numerical values measured by the temperature sensors 11 at different positions at the same time are recorded through the external display, the temperature curve relations at different positions are made, the temperature numerical values measured by the temperature sensor 11 at the same position at different times are made into the temperature curve relations at different times, and the temperature rise speed values at different positions on the surface of the main shaft sleeve 101 are measured, and the speed values at the plurality of position points are measured, comparing with the standard speed value of the spindle cover 101 in the database, when the measured speed value is not more than the standard speed value, the temperature rise change of the temperature measuring point is normal, otherwise, the temperature rise change of the temperature measuring point is abnormal, then starting a heat dissipation mechanism on a heat dissipation plate 6 at the abnormal temperature measuring point, dissipating heat of the abnormal temperature rise point until the temperature change of the temperature measuring point is normal, detecting the surface of the spindle cover 101 in a modularized way by arranging a plurality of elastic heat conduction blocks 10, the heat dissipation plate 6, a temperature sensor 11 and a temperature transmission pipe 8, directly contacting with the surface of the spindle cover 101 through the elastic heat conduction blocks 10, reducing temperature loss, improving the detection accuracy, and simultaneously transmitting the temperatures of different collection points on the surface of the spindle cover 101 to an external display, the method comprises the steps of measuring the speed values of temperature rise at different position points on the surface of a spindle sleeve 101 through an external display, comparing the measured speed values at a plurality of position points with the standard speed values of the spindle sleeve 101 in a database, when the measured speed values are not greater than the standard speed values, indicating that the temperature rise change of the temperature measuring points is normal, otherwise indicating that the temperature rise change of the temperature measuring points is abnormal, starting a heat dissipation mechanism on a heat dissipation plate 6 at the abnormal temperature measuring points, dissipating heat at the abnormal temperature rise points until the temperature change of the abnormal temperature measuring points is normal, so that the surface temperature of the spindle sleeve 101 is efficiently reduced, deformation influence, transmission and superposition of various parts are reduced, the deformation influence, the transmission and the superposition of various parts are reflected at a tool nose, the deviation value of the tool nose and an ideal machining track is finally reduced, and the machining precision is improved.
As a further scheme of the invention, the heat dissipating organization includes the water tank 18, the heat dissipating plate 6 is a hollow structure, the surface of heat dissipating plate 6 fixedly connects with inlet pipe 19 and discharging tube 20 separately, several inlet pipe 19 and discharging tube 20 top end penetrate the top end of outer cover 2 and then fixedly connect with water tank 18 separately, there are electromagnetic valves 21 in inlet pipe 19 and discharging tube 20, the electromagnetic valve 21 is electrically connected with peripheral display; when the temperature-rise machining tool works, the heat dissipation mechanism is arranged, when the temperature rise speed of a temperature-measuring point at a certain position rises abnormally, the cooling water in the water tank 18 flows into the heat dissipation plate 6 in a circulating mode through the external display and the control electromagnetic valve 21 through the water inlet pipe 19 and the water outlet pipe 20, the temperature of the heat dissipation plate 6 is reduced, the temperature reduction of the heat dissipation plate 6 to the abnormal temperature-measuring point at the position is improved, the temperature rise speed is reduced, the mutual influence, transmission and superposition of deformation of all parts are reduced, the tool nose is finally reflected at the position, the deviation value of the tool nose and an ideal machining track is finally reduced, and the machining precision is improved.
As a further scheme of the invention, the heat dissipation plate 6 is an annular plate, the heat dissipation plate 6 is slidably connected to the surface of the installation cylinder 5, the end portions of the heat dissipation plate 6 are fixedly connected with second slide bars 22 in an array manner, the end portions of the second slide bars 22 are jointly slidably connected with a connection ring 23, the connection ring 23 is fixedly connected to the surface of the end portion of the installation cylinder 5, a second return spring 24 is sleeved on the surface of the second slide bar 22, and two ends of the second return spring 24 are respectively and fixedly connected to the heat dissipation plate 6 and the connection ring 23; when the spindle sleeve machining device works, the second sliding rod 22, the second return spring 24 and the connecting ring 23 are arranged, so that the pressure of the heat dissipation plate 6 on a temperature measurement point is increased, the heat dissipation plate 6 is tightly attached to the temperature measurement point, the heat dissipation capacity of the heat dissipation plate 6 on the temperature measurement point is improved, the temperature of the spindle sleeve 101 is reduced, deformation mutual influence, transmission and superposition of parts are reduced, the parts are finally reflected at a cutter tip, the deviation value of the cutter tip and an ideal machining track is finally reduced, and the machining precision is improved.
As a further aspect of the present invention, the mounting cylinder 5 is a heat insulating cylinder; when the temperature sensor works, the installation cylinder 5 is a heat insulation cylinder, so that the temperature loss of the elastic heat conduction block 10 is reduced, and the accuracy of the temperature measurement of the temperature sensor 11 is improved.
As a further scheme of the invention, the surface of the outer shell 2 is fixedly connected with a mounting shell 25 through a bolt, and the surface of the mounting shell 25 fixedly connects the mounting shell 25 to the outer side wall of the machine body 1 through a bolt; in operation, the installation shell 25 is arranged, so that the shell 2 can be conveniently and manually installed and detached.
As a further scheme of the invention, the mounting ring 4 is fixedly connected on the surface of the shell 2 through bolts, and the diameter of the mounting hole 3 is matched with that of the heat dissipation plate 6; during operation, the surface of the shell 2 of the mounting ring 4 is screwed through bolts, so that the heat dissipation plate 6 and the elastic heat conduction block 10 at a certain position can be conveniently and independently detached and mounted manually.
In order to solve the problems, the invention also provides a using method of the internal heating value temperature rise detection device of the five-axis gantry milling AC swing angle milling head, and the using method of the detection device comprises the following steps:
s1: firstly, a plurality of mounting cylinders 5 respectively penetrate through the mounting holes 3, then, the mounting rings 4 are fixedly connected onto the shell 2 in a detachable mode, then, the shell 2 is fixedly connected onto the side wall of the machine body 1 in a detachable mode, the heat dissipation plates 6 arranged at the end parts of the mounting cylinders 5 are respectively attached to the surfaces of different positions of the main shaft sleeve 101 and dissipate heat of different positions of the surface of the main shaft sleeve 101, and at the moment, the elastic heat conduction blocks 10 are arranged in the end parts of the shrinkage transmission pipes and are not in surface contact with the main shaft sleeve 101;
s2: then, a lead connector 14 with a second magnetic plate is inserted into an end interface 801 of the temperature transmission pipe 8 for connection, under the attraction of the first magnetic plate 13, the second magnetic plate approaches to the first magnetic plate 13, the second magnetic plate drives the temperature transmission pipe 8 to move towards the end of the installation cylinder 5 along the first sliding rod 7, so that the elastic heat-conducting block 10 is attached to the surface of the spindle sleeve 101, and the first return spring 9 is compressed;
s3: then electrically connecting the other ends of the plurality of wire connectors 14 with an external display;
s4: when the machine body 1 is started, the main shaft sleeve 101 and the main shaft move relatively, heat is generated due to friction, so that the temperature of the main shaft sleeve 101 is shot high, the temperature of the surface of the main shaft sleeve 101 corresponding to a collecting point is conducted through the elastic heat conducting block 10, and then the numerical value is transmitted to an external display through the temperature sensor 11, the heat conducting wire 12 and the transmission conducting wire 17;
s5: recording temperature values measured by the temperature sensors 11 at different positions at the same time through an external display, and making a temperature curve relationship at different positions, and recording temperature values measured by the temperature sensors 11 at the same position at different times, and making a temperature curve relationship at different times, so as to measure temperature rise speed values at different positions on the surface of the spindle sleeve 101;
s6: comparing the measured speed values at the plurality of position points with the standard speed value of the spindle sleeve 101 in the database, and when the measured speed value is not greater than the standard speed value, indicating that the temperature rise change of the temperature measuring point is normal, otherwise, indicating that the temperature rise change of the temperature measuring point is abnormal;
s7: and then starting a heat dissipation mechanism on the heat dissipation plate 6 at the abnormal temperature measurement point to dissipate heat of the abnormal temperature rise point until the temperature speed change of the temperature measurement point is normal.
As a further aspect of the present invention, step S7 includes:
s701: when the temperature rise speed of a certain temperature measuring point is abnormally increased, the cooling water in the water tank 18 circularly flows onto the heat dissipation plate 6 through the external display, the control electromagnetic valve 21, the water inlet pipe 19 and the water outlet pipe 20, and the temperature of the heat dissipation plate 6 is reduced.
The working principle is as follows: firstly, a plurality of installation cylinders 5 respectively penetrate through the installation holes 3, then, the installation ring 4 is fixedly connected on the shell 2 in a detachable mode, then, the shell 2 is fixedly connected on the side wall of the machine body 1 in a detachable mode, at the moment, the heat dissipation plates 6 arranged at the end parts of the installation cylinders 5 are respectively attached to the surfaces of different positions of the spindle sleeve 101, heat dissipation is carried out on different positions of the surface of the spindle sleeve 101, at the moment, the elastic heat conduction block 10 is arranged in the end part of the shrinkage transmission pipe and is not contacted with the surface of the spindle sleeve 101, then, the lead joint 14 with the second magnetic plate is inserted into the interface 801 at the end part of the temperature transmission pipe 8 for connection, under the attraction of the first magnetic plate 13, the second magnetic plate is enabled to approach to the direction of the first magnetic plate 13, the second magnetic plate drives the temperature transmission pipe 8 to move towards the end part of the installation cylinder 5 along the first slide bar 7, so that the elastic heat conduction block 10 is attached to the surface of the spindle sleeve 101, and the first return spring 9 is compressed, then electrically connecting the other ends of the wire joints 14 with an external display, when the machine body 1 is started, the main shaft sleeve 101 and the main shaft move relatively, and heat is generated due to friction, so that when the temperature of the main shaft sleeve 101 is high, the temperature of the surface of the main shaft sleeve 101 corresponding to the acquisition point is conducted through the elastic heat conducting block 10, then the numerical value is transmitted to the external display through the temperature sensor 11, the heat conducting wire 12 and the transmission wire 17, the temperature numerical values measured by the temperature sensors 11 at different positions at the same time are recorded through the external display, the temperature curve relations at different positions are made, the temperature numerical values measured by the temperature sensors 11 at the same position at different times are made, the temperature curve relations at different times are made, so that the temperature rise speed values at different positions on the surface of the main shaft sleeve 101 are measured, and the speed values at a plurality of position points are measured, and comparing the measured speed value with the standard speed value of the spindle sleeve 101 in the database, if the measured speed value is not greater than the standard speed value, indicating that the temperature rise change of the temperature measuring point is normal, otherwise, indicating that the temperature rise change of the temperature measuring point is abnormal, and then starting a heat dissipation mechanism on a heat dissipation plate 6 at the abnormal temperature measuring point to dissipate heat of the abnormal temperature rise point until the temperature speed change of the temperature measuring point is normal.
In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise forms disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (8)
1. The utility model provides an inside calorific capacity temperature rise detection device of five longmen mills AC pivot angle cutter head, includes spindle type AC double pendulum angle numerical control organism (1), its characterized in that: the machine body is characterized in that both sides of the machine body (1) are fixedly connected with shells (2) in a detachable mode, mounting holes (3) are formed in the surface of the outer side wall of each shell (2) in an array mode at positions corresponding to a main shaft sleeve (101) of the machine body (1), mounting rings (4) are fixedly connected to the outer side wall of each shell (2) in a detachable mode in an array mode, a mounting cylinder (5) is fixedly connected to the inner side wall of each shell (2), a heat dissipation plate (6) is arranged at the end part of each mounting cylinder (5) after the end part of each mounting cylinder penetrates through the corresponding mounting hole (3), and the heat dissipation plate (6) is attached to the surface of the main shaft sleeve (101);
a first sliding rod (7) is fixedly connected to the other end of the mounting cylinder (5) in an array mode, a plurality of temperature transmission pipes (8) are connected to the surfaces of the ends of the first sliding rods (7) in a sliding mode, and a first return spring (9) is sleeved on the surface of each first sliding rod (7);
the end part of the temperature transmission pipe (8) penetrates through the installation barrel (5) and is not in contact with the inner side wall of the installation barrel (5), the end part of the temperature transmission pipe (8) is fixedly connected with an elastic heat conduction block (10), the elastic heat conduction block (10) is retracted into the end part of the installation barrel (5), the installation barrel (5) is internally and fixedly connected with a temperature sensor (11), the temperature sensor (11) is fixedly connected with the elastic heat conduction block (10), the other end of the temperature sensor (11) is electrically connected with a heat conduction line (12), and the other end of the heat conduction line (12) is electrically connected with an end interface (801) of the temperature transmission pipe (8);
the utility model provides a temperature transmission pipe, including collar (4), temperature transmission pipe, wire joint (14), transmission wire (17) and peripheral hardware display, collar (4) inside wall fixedly connected with first magnetic sheet (13), outside temperature transmission pipe (8) tip interface (801) extended collar (4), wire joint (8) tip interface (801) are connected with wire joint (14) through pulling out the mode of inserting, wire joint (14) fixed surface is connected with second electromagnetic sheet (15) with first electromagnetic sheet adaptation, second electromagnetic sheet (15) surface array is equipped with groove (16) of stepping down with first slide bar (7) looks adaptation, wire joint (14) other end electricity is connected with transmission wire (17), transmission wire (17) are connected with the peripheral hardware display electricity, heating panel (6) surface all is provided with heat dissipation mechanism.
2. The internal heating value temperature rise detection device for the five-axis gantry milling AC swing angle milling head according to claim 1 is characterized in that: radiating mechanism includes water tank (18), heating panel (6) are hollow structure, heating panel (6) surface is fixed UNICOM respectively has inlet tube (19) and outlet pipe (20), several inlet tube (19) and outlet pipe (20) top run through behind shell (2) top respectively with the fixed UNICOM of water tank (18), all be provided with solenoid valve (21) in inlet tube (19) and outlet pipe (20), solenoid valve (21) are connected with the peripheral hardware display electricity.
3. The internal heating value temperature rise detection device for the five-axis gantry milling AC swing angle milling head according to claim 2 is characterized in that: heating panel (6) are cyclic annular board, heating panel (6) sliding connection is on installation section of thick bamboo (5) surface, heating panel (6) tip fixed array is connected with second slide bar (22), the common sliding connection of second slide bar (22) tip has go-between (23), go-between (23) fixed connection is on installation section of thick bamboo (5) tip surface, second reset spring (24) have been cup jointed on second slide bar (22) surface, second reset spring (24) both ends difference fixed connection is on heating panel (6) and go-between (23).
4. The internal heating value temperature rise detection device for the five-axis gantry milling AC swing angle milling head according to claim 3, is characterized in that: the mounting cylinder (5) is a heat insulation cylinder.
5. The internal heating value temperature rise detection device for the five-axis gantry milling AC swing angle milling head according to claim 4 is characterized in that: the surface of the shell (2) is fixedly connected with a mounting shell (25) through a bolt, and the surface of the mounting shell (25) is fixedly connected with the mounting shell (25) on the outer side wall of the machine body (1) through a bolt.
6. The internal heating value temperature rise detection device for the five-axis gantry milling AC swing angle milling head according to claim 5 is characterized in that: the mounting ring (4) is fixedly connected to the surface of the shell (2) through bolts, and the diameter of the mounting hole (3) is matched with that of the heat dissipation plate (6).
7. A use method of a temperature rise detection device for internal heating value of an AC swing angle milling head of a five-axis gantry milling machine is suitable for the temperature rise detection device for internal heating value of the AC swing angle milling head of the five-axis gantry milling machine, which is disclosed by any one of claims 1 to 6, and is characterized in that: the using method of the detection device comprises the following steps:
s1: firstly, a plurality of mounting cylinders (5) respectively penetrate through the mounting holes (3), then, the mounting rings (4) are fixedly connected onto the shell (2) in a detachable mode, then, the shell (2) is fixedly connected onto the side wall of the machine body (1) in a detachable mode, the heat dissipation plates (6) arranged at the end parts of the mounting cylinders (5) are respectively attached to the surfaces of different positions of the main shaft sleeve (101) and dissipate heat of different position points on the surface of the main shaft sleeve (101), and at the moment, the elastic heat conduction blocks (10) are arranged in the end parts of the internal shrinkage transmission pipes and are not in surface contact with the main shaft sleeve (101);
s2: then, a lead connector (14) with a second magnetic plate is inserted into an end interface (801) of the temperature transmission pipe (8) for connection, under the attraction of the first magnetic plate (13), the second magnetic plate approaches to the first magnetic plate (13), the second magnetic plate drives the temperature transmission pipe (8) to move towards the end of the installation barrel (5) along the first sliding rod (7), so that the elastic heat-conducting block (10) is attached to the surface of the main shaft sleeve (101), and the first return spring (9) is compressed;
s3: then electrically connecting the other ends of the plurality of wire connectors (14) with an external display;
s4: when the machine body (1) is started, the main shaft sleeve (101) and the main shaft move relatively, heat is generated due to friction, and when the temperature of the main shaft sleeve (101) is high, the temperature of the surface of the main shaft sleeve (101) corresponding to a collecting point is conducted through the elastic heat conducting block (10), and then a numerical value is transmitted to an external display through the temperature sensor (11), the heat conducting wire (12) and the transmission wire (17);
s5: recording temperature values measured by temperature sensors (11) at different positions at the same time through an external display, and making a temperature curve relation at different positions, and temperature values measured by temperature sensors (11) at the same position at different times, and making a temperature curve relation at different times, so as to measure temperature rise speed values at different positions on the surface of the spindle sleeve (101);
s6: comparing the measured speed values at the plurality of position points with the standard speed values of the spindle sleeve (101) in the database, and when the measured speed values are not greater than the standard speed values, indicating that the temperature rise change of the temperature measuring point is normal, otherwise indicating that the temperature rise change of the temperature measuring point is abnormal;
s7: and then starting a heat dissipation mechanism on a heat dissipation plate (6) at the abnormal temperature measurement point to dissipate heat of the abnormal temperature rise point until the temperature speed change of the temperature measurement point is normal.
8. The use method of the internal heating value temperature rise detection device of the five-axis gantry milling AC swing angle milling head according to claim 7 is characterized in that: the step S7 includes:
s701: when the temperature rise speed of a certain temperature measuring point is abnormally increased, the cooling water in the water tank (18) circularly flows onto the heat dissipation plate (6) through the external display, the control electromagnetic valve (21) and the water inlet pipe (19) and the water outlet pipe (20), and the temperature of the heat dissipation plate (6) is reduced.
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| CN202211419826.2A CN115673870B (en) | 2022-11-14 | 2022-11-14 | Device and method for detecting temperature rise of internal heating value of five-axis gantry milling AC swing angle milling head |
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| CN202211419826.2A CN115673870B (en) | 2022-11-14 | 2022-11-14 | Device and method for detecting temperature rise of internal heating value of five-axis gantry milling AC swing angle milling head |
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| CN101767285B (en) * | 2010-01-13 | 2011-06-08 | 济南二机床集团有限公司 | Mechanical main shaft type AC double-swinging-angle numerical control milling head |
| CN109202142B (en) * | 2018-11-23 | 2020-04-28 | 哈尔滨理工大学 | Intelligent control method for plunge milling cutter |
| CN209689787U (en) * | 2019-02-22 | 2019-11-26 | 山东省科学院海洋仪器仪表研究所 | A kind of high-precision water body skin temperature measurement device |
| TWI728411B (en) * | 2019-07-24 | 2021-05-21 | 財團法人工業技術研究院 | Detection device for spindle of machine tool and detection method for spindle of machine tool |
| CN112658803B (en) * | 2020-12-16 | 2023-09-29 | 东莞市埃弗米数控设备科技有限公司 | Milling head machining mechanism with temperature detection function and temperature detection compensation method thereof |
| CN112833834B (en) * | 2020-12-31 | 2022-09-27 | 湖南信息学院 | Anti-vibration displacement sensor |
| CN113721548B (en) * | 2021-09-06 | 2022-05-03 | 哈尔滨理工大学 | Thermal error compensation method and system for numerical control milling head |
| CN114749994B (en) * | 2022-02-23 | 2024-01-30 | 重庆大学 | Multi-sensor fusion intelligent cutter handle monitoring device for measuring cutting force, vibration and cutting temperature in real time |
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