CN116021300A - Servo motor connecting device of numerical control machine tool - Google Patents
Servo motor connecting device of numerical control machine tool Download PDFInfo
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- CN116021300A CN116021300A CN202310282417.0A CN202310282417A CN116021300A CN 116021300 A CN116021300 A CN 116021300A CN 202310282417 A CN202310282417 A CN 202310282417A CN 116021300 A CN116021300 A CN 116021300A
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Abstract
The invention relates to the technical field of numerically-controlled machine tools, in particular to a servo motor connecting device of a numerically-controlled machine tool, which comprises a mounting seat adapter plate and a motor adapter plate, wherein the mounting seat adapter plate is fixed on a servo motor mounting seat; be provided with first mounting hole on the mount pad keysets, be provided with the second mounting hole on the motor keysets, the screw cooperatees with servo motor mount pad after passing first mounting hole and second mounting hole, screw and servo motor mount pad screw-thread fit, the nut on the screw is the tube-shape, the cross section of the nut on the screw and the cross section phase-match of first mounting hole, the cross sectional area of second mounting hole is greater than the cross sectional area of first mounting hole. In the scheme, the flexibility of replacing the servo motor mounting seat and the servo motor is improved; the working efficiency is improved, the installation and debugging time is shortened, and the cost of upgrading and reforming the machine tool is reduced.
Description
Technical Field
The invention relates to the technical field of numerical control machine tools, in particular to a servo motor connecting device of a numerical control machine tool.
Background
In the use process of the numerical control machine tool, the machine tool faces the problems of reduced mechanical precision, aged and damaged electrical elements and difficult accessory replacement along with the time, so that a large number of numerical control machine tool upgrading and reconstruction projects are generated.
In the upgrading process of the numerical control machine tool, a new servo motor is not matched with the original mechanical connection structure, so that a new servo motor seat is usually required to be redesigned and manufactured, and the new servo motor seat is matched with the new servo motor. However, the cost of redesigning and manufacturing the servo motor seat is relatively high, so that the cost generated in the upgrading process of the numerical control machine tool can be increased, and meanwhile, the time required for manufacturing a new servo motor seat is prolonged, so that the upgrading period of the numerical control machine tool can be prolonged, and the quick upgrading of the numerical control machine tool is not facilitated.
Moreover, at present, there is also a servo motor connecting device, wherein the servo motor connecting device is a device for supporting a servo motor, the servo motor connecting device is arranged between a servo motor seat and the servo motor, and a connecting hole matched with the servo motor seat and a connecting hole matched with the servo motor are arranged on the servo motor connecting device, so that the servo motor connecting device plays a role in transitional connection, and the servo motor seat, the servo motor connecting device and the servo motor are connected into a whole.
However, in the process of upgrading and reforming a machine tool using the servo motor connecting device, when the servo motor is replaced, the installation hole position on the newly replaced servo motor is not corresponding to the original servo motor installation hole position due to the difference of the types of the servo motors, so that the servo motor connecting device needs to be redesigned and manufactured.
Furthermore, compared with the redesigning and manufacturing of a new servo motor seat, the cost for redesigning and manufacturing the new servo motor connecting device is lower, and the upgrading and reconstruction of the numerical control machine tool can be further optimized. However, when the installation hole position on the newly replaced servo motor is inconsistent with the installation hole position on the original servo motor, the servo motor seat or the servo motor connecting device still needs to be redesigned;
meanwhile, when the servo motor connecting device is used as a main connecting piece, in the upgrading and transformation process of the numerical control machine tool, if the servo motors with different types and different installation hole positions are installed and debugged, the various corresponding servo motor connecting devices with different installation hole positions are required to be designed and manufactured, more time is required for producing and manufacturing the plurality of servo motor connecting devices, and the whole installation and debugging time is not shortened.
Therefore, in view of the above-mentioned shortcomings, there is a need to design a servo motor connecting device of a numerical control machine tool to reduce the transformation cost of the machine tool.
Disclosure of Invention
The invention aims at: aiming at the defects existing in the upgrading and reforming process of the existing machine tool, the servo motor connecting device of the numerical control machine tool is provided, so that the reforming cost of the machine tool is reduced.
In order to achieve the above object, the present invention provides the following technical solutions:
the utility model provides a digit control machine tool servo motor connecting device, includes mount pad keysets and motor keysets, the mount pad keysets is used for fixing on the servo motor mount pad, when the mount pad keysets is fixed, the motor keysets presss from both sides between servo motor mount pad and the mount pad keysets and is fixed, and the motor keysets is used for fixing servo motor;
the motor adapter plate is provided with a first mounting hole matched with the servo motor mounting seat, the motor adapter plate is provided with a second mounting hole, when a screw passes through the first mounting hole and the second mounting hole and then is matched with the servo motor mounting seat, the screw is in threaded fit with the servo motor mounting seat, a nut on the screw is cylindrical, the cross section of the nut on the screw is matched with the cross section of the first mounting hole, and the cross section of the second mounting hole is larger than the cross section of the first mounting hole.
As a preferred technical scheme of the application, a first positioning ring is arranged on the mounting seat adapter plate, a first positioning hole is arranged on the motor adapter plate, and the first positioning ring is matched with the first positioning hole, so that the mounting seat adapter plate and the motor adapter plate are coaxially matched;
the mounting seat adapter plate is also provided with a mounting seat positioning ring, the servo motor mounting seat is provided with a mounting seat positioning hole, and the mounting seat positioning ring is matched with the mounting seat positioning hole so that the mounting seat adapter plate is coaxially matched with the servo motor mounting seat;
the motor adapter plate is further provided with a motor positioning groove, the servo motor is provided with a positioning boss, the numerical control machine tool servo motor connecting device further comprises a connecting ring, and the connecting ring is used for being matched with the motor positioning groove and the positioning boss, so that the mounting seat adapter plate is coaxially matched with the servo motor.
As the preferential technical scheme of this application, the transversal circular of personally submitting of location boss, the go-between is a plurality of, and is a plurality of the go-between has the model that a plurality of internal diameters size are different, just the lateral wall of go-between with motor constant head tank cooperatees, the internal diameter of go-between with the diameter looks adaptation of location boss.
As the preferential technical scheme of this application, be provided with the standing groove on the motor keysets, the standing groove is used for placing the mount pad keysets makes place in the standing groove the mount pad keysets does not surpass the upper edge of standing groove.
As a preferred technical scheme of the application, the servo motor connecting device of the numerical control machine tool further comprises a blocking device, wherein the blocking device is used for limiting the relative movement between the mounting seat adapter plate and the motor adapter plate;
the blocking device is provided with a force threshold, and when the torsion force of the motor adapter plate acting on the mounting seat adapter plate is larger than the force threshold, the motor adapter plate acts on the mounting seat adapter plate to rotate;
and the second mounting hole is arc-shaped, and when the motor adapter plate acts on the mounting seat adapter plate to rotate, the screw moves relative to the second mounting hole.
As the preferential technical scheme of this application, stop device includes fixture block and dog, the fixture block is fixed on the mount pad keysets, be provided with movable groove on the motor keysets, the dog sets up in the movable groove, just still be provided with in the movable groove with the spring that the dog offloaded, the spring is used for providing elastic force makes the dog supports the fixture block, so that the dog is right the fixture block carries out spacingly, just the initial elasticity of spring is used for stop device provides the dynamics threshold value.
As the preferential technical scheme of this application, blocking device includes two the dog, be provided with two on the motor keysets the movable groove, singly the movable groove adaptation is one the dog with one the spring when the mount pad keysets is relative motor keysets corotation or reversal, homoenergetic make one of them the dog with the fixture block offsets.
As the preferential technical scheme of this application, still be provided with the regulation dog in the movable groove, the one end of spring with the dog offsets, the other end of spring with adjust the dog offsets, adjust the dog and can adjust its position in the movable groove, in order to adjust the initial length of spring.
As a preferential technical scheme of the application, the motor adapter plate is also provided with an adjusting knob, and the adjusting knob is matched with the motor adapter plate through a threaded hole;
the motor adapter plate is also provided with a push block and a chute, the push block is positioned in the chute, the push block is abutted against the adjusting stop block, and the adjusting knob is abutted against the push block;
the adjusting knob is used for adjusting the length of the adjusting knob extending into the motor adapter plate and enabling the pushing block to push the adjusting stop block to move so as to adjust the initial length of the spring.
As the preferential technical scheme of this application, digit control machine tool servo motor connecting device still includes the gasket, the gasket sets up between mount pad keysets and the motor keysets the mount pad keysets is relative when the motor keysets rotates, one side friction of gasket the mount pad keysets, the opposite side friction of gasket the motor keysets.
Compared with the prior art, the invention has the beneficial effects that:
1. in the scheme of the application, through setting up mount pad keysets and motor keysets to make the cross-sectional area of second mounting hole be greater than the cross-sectional area of first mounting hole, make after the screw cooperatees with first mounting hole, can also have the clearance with the second mounting hole after the screw passes the second mounting hole, its clearance has reserved the space for the penetration of screw, because there are different situations in the position of the connecting hole on the servo motor mount pad of different models, and the position of connecting hole on the servo motor of different models also can have different situations, the servo motor mount pad of being convenient for cooperates with the servo motor of multiple different models through making the cross-sectional area of second mounting hole be greater than the cross-sectional area of first mounting hole, the servo motor of being convenient for cooperates with the servo motor mount pad of multiple different models simultaneously also, in the lathe upgrading process, the flexibility of changing the servo motor mount pad and when changing the servo motor can be improved;
in the production process of the mounting seat adapter plate and the motor adapter plate, the mounting seat adapter plate and the motor adapter plate can be matched with a servo motor mounting seat to be produced together, and in the production process, screws and the first mounting holes can be ensured to be matched with any one of the produced mounting seat adapter plate and any one of the motor adapter plate and then can pass through the second mounting holes, so that any one of the produced mounting seat adapter plate and any one of the motor adapter plate can be matched, and further, any mounting seat and any servo motor can be conveniently matched; meanwhile, when an old machine tool is upgraded, the mounting seat adapter plate can be designed according to the position of the connecting hole of the original servo motor mounting seat on the machine tool during upgrading, so that the designed mounting seat adapter plate is matched with a motor adapter plate which is produced in a matched mode with a servo motor, the servo motor mounting seat on the old machine tool is matched with a plurality of servo motors of different types, flexible matching of the servo motor mounting seat and the servo motors is facilitated, and the flexibility of machine tool upgrading is further improved;
meanwhile, the motor adapter plate which is required to be used can be designed and manufactured without being matched with a servo motor in the machine tool upgrading process, so that the machine tool upgrading time can be shortened, the working efficiency in upgrading is improved, the same machine tool is convenient for installing and debugging servo motors of different models, the whole installation and debugging time can be shortened, and the cost of upgrading and reconstruction of the machine tool can be reduced;
2. further, by arranging the blocking device and enabling the blocking device to provide a force threshold, when the torsion force of the motor adapter plate acting on the mounting seat adapter plate is greater than the force threshold, the motor adapter plate can rotate relative to the mounting seat adapter plate, so that the servo motor connecting device can also play a role in buffering, for example, when a lead screw driven by a servo motor drives a workbench or an operation arm to move, when the machine tool accidentally bumps into the machine, the workbench or the operation arm driven by the lead screw is abutted against the workbench or the operation arm driven by the lead screw, in the process, the torsion force between the motor adapter plate and the mounting seat adapter plate is gradually increased until the torsion force is greater than the force threshold, and after the torsion force is greater than the force threshold, the motor adapter plate rotates relative to the mounting seat adapter plate, so that the rotation speed of the lead screw can be slowed down, even the rotation of the lead screw is stopped, the damage caused by the workbench or the operation arm driven by the lead screw is reduced, and in addition, the damage caused by accidental bumping into the machine tool on the workbench or the operation arm is reduced, in the process that the motor adapter plate rotates relative to the mounting seat adapter plate can be provided, the machine tool can be more in time, and the machine tool can be stopped by the accident, and the machine tool can be safely and temporarily stopped by the operator;
3. further, the clamping block is fixed on the mounting seat adapter plate through the clamping block and the stop block, the movable groove is formed in the electrified adapter plate, the stop block is arranged in the movable groove, meanwhile, the spring which is propped against the stop block is arranged in the movable groove, the spring provides elastic force to enable the stop block to prop against the clamping block, and further the stop block limits the clamping block, meanwhile, the initial elastic force of the spring provides a force threshold value for the blocking device, so that when the torsion force between the motor adapter plate and the mounting seat adapter plate is increased, the clamping block applies force to the stop block, the stress of the spring is increased, the spring is deformed in the process that the force applied to the spring is gradually increased, and the stop block is pushed to move by the clamping block, so that the motor adapter plate rotates relative to the mounting seat adapter plate, and when a machine tool is collided, the servo motor connecting device plays a buffering role, and loss of the machine tool collided is reduced; when the torsion force between the motor adapter plate and the mounting seat adapter plate is reduced, the spring is enabled to recover deformation gradually, so that the motor adapter plate is convenient to reset relative to the mounting seat adapter plate, and after the abutment of a workbench or an operation arm driven by a screw rod is relieved, the motor adapter plate is reset relative to the mounting seat adapter plate, so that the normal work of a machine tool is facilitated, and a servo motor is convenient to drive the workbench or the operation arm to move more accurately;
4. further, by setting the adjusting stop block, the initial length of the spring is adjusted, so that the force threshold value is conveniently adjusted, the force parameter when the motor adapter plate rotates relative to the mounting seat adapter plate is conveniently set, and the load of the lead screw when the motor adapter plate and the mounting seat adapter plate do not rotate relative to each other is conveniently adjusted by adjusting the force threshold value, so that the safety of a machine tool in working is improved, the loss of the machine tool in collision is reduced, and the stability of the lead screw in driving a workbench or an operation arm to move is also improved;
5. further, through setting up adjust knob, ejector pad and spout for at the in-process of adjusting spring's initial length, through rotating adjust knob, with the length that its adjust knob stretched into in the motor keysets, make adjust knob support the ejector pad and promote the ejector pad and remove, and then make the ejector pad promote the motion of adjusting the dog, with this initial length of adjusting spring, thereby improved the convenience of spring initial length adjustment.
Drawings
FIG. 1 is a schematic structural diagram of one embodiment of a servo motor connecting device for a numerical control machine tool;
FIG. 2 is a schematic diagram of an explosion structure of one embodiment of a servo motor connecting device of a numerical control machine tool according to the present application;
FIG. 3 is a schematic view of an exploded view of another view of one embodiment of a servo motor connection device for a numerically controlled machine tool according to the present application;
FIG. 4 is a schematic view of an exploded view of another view of one embodiment of a servo motor connection device for a numerically controlled machine tool according to the present application;
FIG. 5 is a schematic view of a partial structure of one embodiment of a servo motor connecting device for a numerical control machine tool according to the present application;
FIG. 6 is a schematic cross-sectional view of one embodiment of a servo motor connecting device for a numerically controlled machine tool according to the present application;
fig. 7 is a schematic structural diagram of a mounting seat adapter plate in one embodiment of a servo motor connecting device of a numerically-controlled machine tool;
fig. 8 is a schematic structural diagram of a motor adapter plate in one embodiment of a servo motor connecting device of a numerically-controlled machine tool according to the present application;
FIG. 9 is a schematic view of a partial cross-sectional structure of one embodiment of a servo motor connecting device for a numerically controlled machine tool according to the present application;
FIG. 10 is a schematic view of a partial structure of one embodiment of a servo motor connecting device for a numerical control machine tool according to the present application;
the figures indicate: the device comprises a 1-mounting seat adapter plate, a 2-motor adapter plate, a 3-servo motor mounting seat, a 4-servo motor, a 5-first mounting hole, a 6-second mounting hole, 7-screws, an 8-first positioning ring, a 9-first positioning hole, a 10-mounting seat positioning ring, a 11-mounting seat positioning hole, a 12-motor positioning groove, a 13-positioning boss, a 14-connecting ring, a 15-placing groove, a 16-blocking device, a 17-clamping block, a 18-blocking block, a 19-movable groove, a 20-spring, a 21-adjusting blocking block, a 22-adjusting knob, a 23-pushing block, a 24-sliding groove and a 25-gasket.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more clear, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. It will be apparent that the described embodiments are some, but not all, embodiments of the invention.
Thus, the following detailed description of the embodiments of the invention is not intended to limit the scope of the invention, as claimed, but is merely representative of some embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
It should be noted that, under the condition of no conflict, the embodiments of the present invention and the features and technical solutions in the embodiments may be combined with each other.
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.
In the description of the present invention, it should be noted that, the terms "upper", "lower", and the like indicate an azimuth or a positional relationship based on the azimuth or the positional relationship shown in the drawings, or an azimuth or a positional relationship conventionally put in use of the inventive product, or an azimuth or a positional relationship conventionally understood by those skilled in the art, such terms are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the apparatus or element to be referred must have a specific azimuth, be constructed and operated in a specific azimuth, and thus should not be construed as limiting the present invention. 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.
Example 1
Referring to fig. 1-9, the device for connecting a servo motor of a numerically-controlled machine tool provided by the embodiment includes a mounting seat adapter plate 1 and a motor adapter plate 2, wherein the mounting seat adapter plate 1 is used for being fixed on a servo motor mounting seat 3, when the mounting seat adapter plate 1 is fixed, the motor adapter plate 2 is clamped between the servo motor mounting seat 3 and the mounting seat adapter plate 1 and is fixed, and the motor adapter plate 2 is used for fixing a servo motor 4;
the motor adapter plate 1 is provided with a first mounting hole 5 matched with the servo motor mounting seat 3, the motor adapter plate 2 is provided with a second mounting hole 6, when a screw 7 passes through the first mounting hole 5 and the second mounting hole 6 and then is matched with the servo motor mounting seat 3, the screw 7 is in threaded fit with the servo motor mounting seat 3, a nut on the screw 7 is cylindrical, the cross section of the nut on the screw 7 is matched with the cross section of the first mounting hole 5, the first mounting hole 5 is in threaded fit with the screw 7, and the cross section of the second mounting hole 6 is larger than the cross section of the first mounting hole 5.
In the application, by arranging the mounting seat adapter plate 1 and the motor adapter plate 2 and enabling the cross-sectional area of the second mounting hole 6 to be larger than that of the first mounting hole 5, after the screw 7 is matched with the first mounting hole 5, a gap can exist between the screw 7 and the second mounting hole 6 after the screw 7 passes through the second mounting hole 6, the gap reserves space for the penetration of the screw 7, and as the positions of the connecting holes on the servo motor mounting seats 3 of different types are different, and the positions of the connecting holes on the servo motors 4 of different types are also different, the cross-sectional area of the second mounting hole 6 is larger than that of the first mounting hole 5, so that the servo motor mounting seat 3 is matched with the servo motor mounting seats 3 of different types, and meanwhile, the flexibility of replacing the servo motor mounting seat 3 and the servo motor 4 in the machine tool upgrading process can be improved;
in the production process of the mounting seat adapter plate 1 and the motor adapter plate 2, the mounting seat adapter plate 1 and the servo motor mounting seat 3 matched with the motor adapter plate 2 can be produced together, and in the production process, the screw 7 can pass through the second mounting hole 6 after being matched with the first mounting hole 5 for any one of the produced mounting seat adapter plate 1 and any one of the produced motor adapter plate 2, so that any one of the produced mounting seat adapter plate 1 can be matched with any one of the produced motor adapter plate 2, and further, any mounting seat can be matched with any servo motor 4 conveniently; meanwhile, when an old machine tool is upgraded, the mounting seat adapter plate 1 can be designed according to the position of the connecting hole of the original servo motor mounting seat 3 on the machine tool during upgrading, so that the designed mounting seat adapter plate 1 is matched with the motor adapter plate 2 which is produced in a matched mode with the servo motor 4, the servo motor mounting seat 3 on the old machine tool is matched with a plurality of servo motors 4 with different types conveniently, the flexible matching of the servo motor mounting seat 3 and the servo motors 4 is facilitated, and the flexibility of machine tool upgrading is further improved;
meanwhile, the motor adapter plate 2 to be used can be designed and manufactured without being required in the machine tool upgrading process, and the motor adapter plate 2 can be matched with the servo motor 4 to be used at any time, so that the machine tool upgrading time can be shortened, the working efficiency in upgrading is improved, the same machine tool is convenient to install and debug the servo motors 4 of different models, the whole installation and debugging time can be shortened, and the cost of upgrading and reconstruction of the machine tool can be reduced.
As a preferred embodiment, on the basis of the above manner, further, a first positioning ring 8 is provided on the mount pad adapter plate 1, a first positioning hole 9 is provided on the motor adapter plate 2, and the first positioning ring 8 is matched with the first positioning hole 9, so that the mount pad adapter plate 1 and the motor adapter plate 2 are coaxially matched;
the mounting seat adapter plate 1 is also provided with a mounting seat positioning ring 10, the servo motor mounting seat 3 is provided with a mounting seat positioning hole 11, and the mounting seat positioning ring 10 is matched with the mounting seat positioning hole 11 so that the mounting seat adapter plate 1 is coaxially matched with the servo motor mounting seat 3;
the motor adapter plate 2 is further provided with a motor positioning groove 12, the servo motor 4 is provided with a positioning boss 13, the servo motor connecting device of the numerical control machine tool further comprises a connecting ring 14, and the connecting ring 14 is used for being matched with the motor positioning groove 12 and the positioning boss 13, so that the mounting seat adapter plate 1 is coaxially matched with the servo motor 4.
Further, through setting up first holding ring 8 and first locating hole 9 for after first holding ring 8 cooperatees with first locating hole 9, in order to reach mount pad keysets 1 and the coaxial complex purpose of motor keysets 2, simultaneously, through setting up mount pad holding ring 10 and mount pad locating hole 11, in order to reach mount pad keysets 1 and the coaxial complex purpose of servo motor mount pad 3, and, through setting up go-between 14 and set up motor constant head tank 12 on motor keysets 2, and set up location boss 13 on servo motor 4, make go-between 14 cooperation motor constant head tank 12 and location boss 13, specifically, make go-between 14 card between location boss 13 and motor constant head tank 12, in order to reach mount pad board 1 and the coaxial complex purpose of servo motor 4, so, the coaxial installation of servo motor mount pad 3 and servo motor 4 is convenient for the installation of servo motor 4 need not go again through the table again in the installation process of servo motor 4 and servo motor mount pad 3, the installation efficiency when having improved servo motor 4 and servo motor mount pad 3 and installation.
As a preferred embodiment, on the basis of the above manner, the cross section of the positioning boss 13 is circular, the number of the connecting rings 14 is several, the number of the connecting rings 14 has a plurality of types with different inner diameters, the outer side wall of the connecting ring 14 is matched with the motor positioning slot 12, and the inner diameter of the connecting ring 14 is matched with the diameter of the positioning boss 13.
Further, through setting up a plurality of go-between 14, and a plurality of go-between 14 have the different models of a plurality of internal diameters, so, when the diameter of the location boss 13 on the servo motor 4 of different models is different, one of them go-between 14 of a plurality of go-between 14 of being convenient for cooperatees with location boss 13, and then make behind the go-between 14 of motor constant head tank 12 cooperation different models, enable its go-between 14 cooperatees with the servo motor 4 of different models, thereby the location between the servo motor mount pad 3 of being convenient for and the servo motor 4 of a plurality of different models, thereby the coaxial installation's of servo motor mount pad 3 and servo motor 4 convenience has been provided.
As a preferred embodiment, on the basis of the foregoing manner, a placement groove 15 is further provided on the motor adapter plate 2, and the placement groove 15 is used for placing the mount adapter plate 1, so that the mount adapter plate 1 placed in the placement groove 15 does not exceed the upper edge of the placement groove 15.
Further, through setting up standing groove 15 for in the cooperation in-process of motor keysets 2 and mount pad keysets 1, enable mount pad keysets 1 to place in standing groove 15, and make the mount pad keysets 1 of placing in standing groove 15 not surpass the upper edge of standing groove 15, thereby when using screw 7 to connect mount pad keysets 1 and servo motor mount pad 3, and press from both sides motor keysets 2 between mount pad keysets 1 and servo motor mount pad 3, the cooperation of motor keysets 2 and servo motor 4 of being convenient for can avoid mount pad keysets 1 or screw 7 to jack up servo motor 4, and then improve the steadiness that servo motor 4 links to each other with motor keysets 2.
Example two
On the basis of the first technical solution of the embodiment, further, referring to fig. 1 to 9, the servo motor connecting device of the numerically-controlled machine tool further includes a blocking device 16, where the blocking device 16 is used for limiting the relative movement between the mount adapter plate 1 and the motor adapter plate 2;
the blocking device 16 is provided with a force threshold, and when the torsion force of the motor adapter plate 2 acting on the mounting seat adapter plate 1 is greater than the force threshold, the motor adapter plate 2 acts on the mounting seat adapter plate 1 to rotate;
and the second mounting hole 6 is arc-shaped, and when the motor adapter plate 2 acts on the mounting seat adapter plate 1 to rotate, the screw 7 moves relative to the second mounting hole 6.
Further, through setting up blocking device 16 to make blocking device 16 provide the dynamics threshold value, when motor keysets 2 act on the torsion dynamics of mount pad keysets 1 and be greater than its dynamics threshold value, can make motor keysets 2 rotate relative mount pad keysets 1, so, make the servo motor connecting device of this application can also play the effect of buffering, for example when the lead screw that is driven by servo motor 4 drives workstation or operation arm and removes, when meetting the unexpected machine that hits of lathe, its workstation or operation arm that is driven by the lead screw receives, in this process, make the torsion dynamics between motor keysets 2 and the mount pad keysets 1 increase gradually, until its torsion dynamics is greater than its dynamics threshold value, and after its torsion dynamics is greater than its dynamics threshold value, make motor keysets 2 rotate relative mount pad keysets 1, thereby can slow down the rotation speed of lead screw even make the dynamics of lead screw stop, and then reduce the dynamics that is driven by the lead screw, thereby work piece or operation arm on the workstation is driven by the lead screw cause damage because of bumping the machine, and the unexpected machine that hits the lathe is in the time of the unexpected machine that hits, in the relative mount pad 1 of motor 2, can provide the lathe operator's the time of the unexpected machine that is more than the time is in time, and the machine tool is paused, thereby the machine tool is can be controlled in time is more in time, the time is safe to the operator's when the machine tool is provided.
As a preferred embodiment, on the basis of the above manner, the blocking device 16 further includes a clamping block 17 and a stop block 18, the clamping block 17 is fixed on the mounting seat adapter plate 1, a movable slot 19 is provided on the motor adapter plate 2, the stop block 18 is provided in the movable slot 19, a spring 20 that abuts against the stop block 18 is further provided in the movable slot 19, the spring 20 is used for providing an elastic force to make the stop block 18 abut against the clamping block 17, so that the stop block 17 is limited by the stop block 18, and an initial elastic force of the spring 20 is used for providing the force threshold for the blocking device 16.
Further, by arranging the clamping block 17 and the stop block 18, the clamping block 17 is fixed on the mounting seat adapter plate 1, the movable groove 19 is arranged on the electric machine adapter plate 2, the stop block 18 is arranged in the movable groove 19, meanwhile, the spring 20 which is propped against the stop block 18 is arranged in the movable groove 19, the spring 20 provides elastic force to prop against the clamping block 17, the stop block 17 is further limited by the stop block 18, meanwhile, the initial elastic force of the spring 20 provides a force threshold value for the blocking device 16, so that when the torsion force between the electric machine adapter plate 2 and the mounting seat adapter plate 1 is increased, the clamping block 17 applies an increased force to the stop block 18, the stress of the spring 20 is increased, and in the process that the force applied to the spring 20 is gradually increased, the spring 20 is deformed, and then the stop block 17 pushes the stop block 18 to move, so that the electric machine adapter plate 2 rotates relative to the mounting seat plate 1, and when a machine tool is hit, the servo motor connecting device plays a buffering role, so that the loss of the machine tool is reduced; and when the torsion between the motor adapter plate 2 and the mounting seat adapter plate 1 is reduced, the spring 20 is enabled to be gradually restored to deform, so that the motor adapter plate 2 is convenient to reset relative to the mounting seat adapter plate 1, and after the propping of a workbench or an operation arm driven by a screw rod is released, the motor adapter plate 2 is convenient to reset relative to the mounting seat adapter plate 1, so that the normal work of a machine tool is facilitated, and the servo motor 4 is convenient to drive the workbench or the operation arm to move more accurately.
As a preferred embodiment, on the basis of the above manner, the blocking device 16 further includes two blocks 18, two movable slots 19 are provided on the motor adapter plate 2, and a single movable slot 19 is adapted to one block 18 and one spring 20, so that when the mounting seat adapter plate 1 rotates forward or backward relative to the motor adapter plate 2, one block 18 can abut against the clamping block 17.
Further, by arranging two stoppers 18 and two movable grooves 19, and enabling a single movable groove 19 to be matched with one stopper 18 and one spring 20, when the mounting seat adapter plate 1 rotates forward or reversely relative to the motor adapter plate 2, one stopper 18 can be abutted against the clamping block 17, so that the servo motor connecting device can play a buffering role when the motor adapter plate rotates forward or reversely, and the safety of a machine tool during working is further improved.
As a preferred embodiment, in addition to the above-mentioned embodiment, an adjusting block 21 is further disposed in the movable slot 19, one end of the spring 20 abuts against the block 18, the other end of the spring 20 abuts against the adjusting block 21, and the adjusting block 21 can adjust its position in the movable slot 19 to adjust the initial length of the spring 20.
Further, by setting the adjusting stop block 21, the initial length of the spring 20 is adjusted, the force threshold is adjusted conveniently, force parameters when the motor adapter plate 2 rotates relative to the mounting seat adapter plate 1 are set, and by adjusting the force threshold, the load of the screw rod when the motor adapter plate 2 and the mounting seat adapter plate 1 do not rotate relative to each other is adjusted, so that the safety of a machine tool during working is improved, the loss of the machine tool during collision is reduced, and the stability of the screw rod for driving the workbench or the operating arm to move is improved.
Example III
On the basis of the second technical scheme of the embodiment, further, referring to fig. 1 to 9, an adjusting knob 22 is further provided on the motor adapter plate 2, and the adjusting knob 22 is matched with the motor adapter plate 2 through a threaded hole;
the motor adapter plate 2 is also provided with a push block 23 and a chute 24, the push block 23 is positioned in the chute 24, the push block 23 is abutted against the adjusting stop block 21, and the adjusting knob 22 is abutted against the push block 23;
by rotating the adjusting knob 22, the length of the adjusting knob 22 extending into the motor adapter plate 2 is adjusted, and the push block 23 pushes the adjusting block 21 to move, so as to adjust the initial length of the spring 20.
Further, by arranging the adjusting knob 22, the pushing block 23 and the sliding groove 24, in the process of adjusting the initial length of the spring 20, the length of the adjusting knob 22 extending into the motor adapter plate 2 is adjusted by rotating the adjusting knob 22, so that the adjusting knob 22 abuts against the pushing block 23 and pushes the pushing block 23 to move, and then the pushing block 23 pushes the adjusting block 21 to move, thereby adjusting the initial length of the spring 20, and improving the convenience of adjusting the initial length of the spring 20.
Example IV
On the basis of the third technical scheme of the embodiment, further, referring to fig. 10, the servo motor connecting device of the numerically-controlled machine tool further includes a spacer 25, the spacer 25 is disposed between the mounting base adapter plate 1 and the motor adapter plate 2, when the mounting base adapter plate 1 rotates relative to the motor adapter plate 2, one side of the spacer 25 rubs against the mounting base adapter plate 1, and the other side of the spacer 25 rubs against the motor adapter plate 2.
Further, by arranging the gasket 25, the gasket 25 is used as a wearing part, the gasket 25 is convenient to replace, the abrasion of the mounting seat adapter plate 1 and the motor adapter plate 2 can be greatly reduced, the abrasion is mainly concentrated on the gasket 25, the cost can be reduced, and the stability of the servo motor connecting device when the servo motor connecting device is connected with the servo motor 4 and the servo motor mounting seat 3 is improved.
The above embodiments are only for illustrating the present invention and not for limiting the technical solutions described in the present invention, and although the present invention has been described in detail in the present specification with reference to the above embodiments, the present invention is not limited to the above specific embodiments, and thus any modifications or equivalent substitutions are made to the present invention; all technical solutions and modifications thereof that do not depart from the spirit and scope of the invention are intended to be included in the scope of the appended claims.
Claims (10)
1. A servo motor connecting device of a numerical control machine tool is characterized in that: the motor adapter plate is used for being fixed on a servo motor mounting seat, and when the mounting seat adapter plate is fixed, the motor adapter plate is clamped between the servo motor mounting seat and the mounting seat adapter plate and is fixed, and the motor adapter plate is used for fixing a servo motor;
the motor adapter plate is provided with a first mounting hole matched with the servo motor mounting seat, the motor adapter plate is provided with a second mounting hole, when a screw passes through the first mounting hole and the second mounting hole and then is matched with the servo motor mounting seat, the screw is in threaded fit with the servo motor mounting seat, a nut on the screw is cylindrical, the cross section of the nut on the screw is matched with the cross section of the first mounting hole, and the cross section of the second mounting hole is larger than the cross section of the first mounting hole.
2. The servo motor connecting device of the numerical control machine tool as set forth in claim 1, wherein: the mounting seat adapter plate is provided with a first positioning ring, the motor adapter plate is provided with a first positioning hole, and the first positioning ring is matched with the first positioning hole, so that the mounting seat adapter plate and the motor adapter plate are coaxially matched;
the mounting seat adapter plate is also provided with a mounting seat positioning ring, the servo motor mounting seat is provided with a mounting seat positioning hole, and the mounting seat positioning ring is matched with the mounting seat positioning hole so that the mounting seat adapter plate is coaxially matched with the servo motor mounting seat;
the motor adapter plate is further provided with a motor positioning groove, the servo motor is provided with a positioning boss, the numerical control machine tool servo motor connecting device further comprises a connecting ring, and the connecting ring is used for being matched with the motor positioning groove and the positioning boss, so that the mounting seat adapter plate is coaxially matched with the servo motor.
3. The servo motor connecting device of the numerical control machine tool as set forth in claim 2, wherein: the cross section of location boss is circular, the go-between is a plurality of, a plurality of the go-between has a plurality of internal diameter size different models, just the lateral wall of go-between with motor constant head tank cooperatees, the internal diameter of go-between with the diameter looks adaptation of location boss.
4. A numerically-controlled machine tool servo motor connecting device as in claim 3, wherein: the motor adapter plate is provided with a placing groove, and the placing groove is used for placing the mounting seat adapter plate, so that the mounting seat adapter plate placed in the placing groove does not exceed the upper edge of the placing groove.
5. A servo motor connecting device for a numerical control machine tool according to any one of claims 1 to 4, characterized in that: the servo motor connecting device of the numerical control machine tool further comprises a blocking device, wherein the blocking device is used for limiting the relative movement between the mounting seat adapter plate and the motor adapter plate;
the blocking device is provided with a force threshold, and when the torsion force of the motor adapter plate acting on the mounting seat adapter plate is larger than the force threshold, the motor adapter plate acts on the mounting seat adapter plate to rotate;
and the second mounting hole is arc-shaped, and when the motor adapter plate acts on the mounting seat adapter plate to rotate, the screw moves relative to the second mounting hole.
6. The servo motor connecting device for the numerical control machine tool according to claim 5, wherein: the blocking device comprises a clamping block and a stop block, the clamping block is fixed on the mounting seat adapter plate, a movable groove is formed in the motor adapter plate, the stop block is arranged in the movable groove, a spring which abuts against the stop block is further arranged in the movable groove, the spring is used for providing elastic force to enable the stop block to abut against the clamping block, so that the stop block limits the clamping block, and the initial elastic force of the spring is used for providing the force threshold for the blocking device.
7. The servo motor connecting device for the numerical control machine tool as set forth in claim 6, wherein: the blocking device comprises two stop blocks, two movable grooves are formed in the motor adapter plate, one stop block and one spring are matched with the movable grooves, and when the mounting seat adapter plate rotates forwards or reversely relative to the motor adapter plate, one stop block can be abutted to the clamping block.
8. The servo motor connecting device for the numerical control machine tool as set forth in claim 6, wherein: the movable groove is internally provided with an adjusting stop block, one end of the spring is propped against the stop block, the other end of the spring is propped against the adjusting stop block, and the position of the adjusting stop block in the movable groove can be adjusted by the adjusting stop block so as to adjust the initial length of the spring.
9. The servo motor connecting device for the numerical control machine tool according to claim 8, wherein: an adjusting knob is further arranged on the motor adapter plate and is matched with the motor adapter plate through a threaded hole;
the motor adapter plate is also provided with a push block and a chute, the push block is positioned in the chute, the push block is abutted against the adjusting stop block, and the adjusting knob is abutted against the push block;
the adjusting knob is used for adjusting the length of the adjusting knob extending into the motor adapter plate and enabling the pushing block to push the adjusting stop block to move so as to adjust the initial length of the spring.
10. The servo motor connecting device for the numerical control machine tool according to claim 5, wherein: the servo motor connecting device of the numerical control machine tool further comprises a gasket, the gasket is arranged between the mounting seat adapter plate and the motor adapter plate, when the mounting seat adapter plate rotates relative to the motor adapter plate, one side of the gasket rubs against the mounting seat adapter plate, and the other side of the gasket rubs against the motor adapter plate.
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| CN202310282417.0A CN116021300B (en) | 2023-03-22 | 2023-03-22 | Servo motor connecting device of numerical control machine tool |
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| CN202310282417.0A CN116021300B (en) | 2023-03-22 | 2023-03-22 | Servo motor connecting device of numerical control machine tool |
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| CN116021300B (en) | 2023-05-26 |
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