A kind of Automatic Levelling digital-controlled carving machine and engraving process
Technical field
The present invention relates to numerical controlled machinery equipment technical fields, and in particular to a kind of digital-controlled carving machine and its numerical controlled carving side
Method.
Background technique
When traditional numeric-control engraving machine processing work, since workpiece surface can not be predicted with the presence or absence of uneven.Generally all
It is horizontal that be by workpiece be, does not have indent and convex state to be processed.It can there are uneven, this be resulted in some workpiece in reality
It is too deep or excessively shallow to occur engraving when processing, traditional solution is manually to level up bonus point region engraving, energy basic so excessively
Solve the problems, such as that carving depth is different, but a disadvantage is that workload is too big, Yao Rengong pad plate, when machining also needs people
It guards, and the figure of large area Continuous maching cannot be used, precision is not high enough.
There is also the technologies for using measuring instrument measurement workpiece surface flatness for the prior art, but when measurement,
There is still a need for the replacements manually measured between instrument and graver.It needs manually installed measuring instrumentss to measure, measures
After the completion, then the troublesome operation by manually tearing table open.
Summary of the invention
In order to solve the above technical problems, the present invention provides a kind of digital-controlled carving machine and its numerical controlled carving method, for solving
Automatic Levelling is unable to during numerical controlled carving in the prior art and carves the inadequate problem of precision.
The present invention is a kind of Automatic Levelling digital-controlled carving machine, including engraving module, measurement module and control module, the survey
Measure the measuring instrumentss that module includes the lifting module connecting with engraving machine main shaft and connect with the lifting module, the measuring instrument
Table is for measuring the flatness of workpiece surface, and the control module control lifting block motion, lifting module, which drives, to be surveyed
Measuring appratus moves up and down, and when measuring instrumentss measure workpiece surface, measuring instrument is made to drop to measurement position to workpiece
Surface measures, and when engraving module carves workpiece, measuring instrument carves module to work far from workpiece surface
It is carved on part surface;The control module measures the measurement data of acquisition according to measuring instrumentss to workpiece surface, adjustment
Carving depth in processing program, and control engraving module and workpiece is carved according to processing program adjusted.
Preferably, the method for the flatness that the measuring instrumentss are used to measure workpiece surface includes: first in workpiece surface
Work origin is set, then measures the relative altitude value of each characteristic point of workpiece surface and work origin.
Preferably, the measurement position is the low position in engraving module for the engraving point of a knife of engraving.
Preferably, the measuring instrumentss are digital display centimeter.
Preferably, the lifting module includes driving device for driving screw rod rotation, the silk connecting with driving device
Bar, the sliding block slided up and down along screw rod, the measuring instrument connect with sliding block, move up and down along screw rod.
Preferably, the lifting module includes expansion bend and expansion bend push rod, and expansion bend push rod is moved up and down along expansion bend,
The measuring instrument is connect with telescopic rod.
Preferably, the lifting module includes driving device, drive rod, connecting rod, and described connecting rod one end connects measuring instrument,
The other end connects drive rod, rotates and drive the lifting of measuring instrument around central point under the drive of drive rod.
Preferably, automatic charging device is installed additional on the engraving machine.
A kind of method of Automatic Levelling engraving, including measuring process and engraving step, the measuring process include: control mould
Block control lifting block motion, lifting module drive measuring instrument to move up and down, measuring instrument are made to drop to measurement position to work
Part surface measures, and the data of measurement are saved in the control module.After being measured, control module measuring equipment
It is carved far from workpiece surface to carve module to workpiece surface;The engraving step includes: control module according to measurement
Instrument measures the measurement data of acquisition to workpiece surface, adjusts the carving depth in processing program, and control engraving module
Workpiece is carved according to processing program adjusted.
Preferably, the measurement position is the low position with the graver of engraving module.
Preferably, the method for the flatness that the measuring instrumentss are used to measure workpiece surface includes: first in workpiece surface
Work origin is set, then measures the relative altitude value of each characteristic point of workpiece surface and work origin.
Preferably, the measurement position is the low position in engraving module for the engraving point of a knife of engraving.
Preferably, the measuring instrumentss are digital display centimeter.
Compared with prior art, the present invention has the following technical effect that this patent goes up and down module by setting instrument, makes to survey
The effective travel of instrument is in carving in graver hereinafter, reaching normally to measure when amount, and graver will not encounter work again
The purpose of part.When needing to carve, then the instruction issued by computer, it allows measuring instrumentss to leave workpiece, is moved to normal carving
Measuring instrumentss will not encounter the position of workpiece when quarter, so that not damaging instrument, and engraving machine is able to carry out normal engraving fortune
It is dynamic.It during engraving, does not need manually to measure the replacement between instrument and graver, realizes automatic engraving, improve carving
Carve efficiency.
Detailed description of the invention
Figure 1A: the positional relationship of measuring instrumentss and spindle motor when measurement of the invention.
Figure 1B: the positional relationship of measuring instrumentss and spindle motor when engraving of the invention.
Fig. 2A: the present invention goes up and down the structural schematic diagram that one measuring instrumentss of structure of module rise.
Fig. 2 B: this patent goes up and down the structural schematic diagram of one measuring instrumentss of the structure decline of module.
Fig. 3 A: the present invention goes up and down the structural schematic diagram that two measuring instrumentss of structure of module rise.
Fig. 3 B: this patent goes up and down the structural schematic diagram of two measuring instrumentss of the structure decline of module.
Fig. 4 A: the present invention goes up and down the structural schematic diagram that three measuring instrumentss of structure of module rise.
Fig. 4 B: this patent goes up and down the structural schematic diagram of three measuring instrumentss of the structure decline of module.
Fig. 5: this patent automatic charging device structural schematic diagram.
Specific embodiment
With reference to the accompanying drawings and examples, specific embodiments of the present invention will be described in further detail.Implement below
Example is not intended to limit the scope of the invention for illustrating the present invention.
Embodiment 1:
As shown in Figure 1, a kind of digital-controlled carving machine, including engraving module, measurement module and control module, engraving module include setting
Graver 2 below spindle motor 1, graver carve workpiece surface under the control of spindle motor.The measurement
Module include the lifting module 3 being connect with engraving machine main shaft and with the measuring instrumentss 4 that connect of lifting module, the measuring instrument
Table can be digital display centimeter.The measuring instrumentss are for measuring the flatness of workpiece surface.Control module can be
The computer connecting with spindle motor controls the movement of spindle motor.Computer is also connect with lifting module, control lifting module
Movement, and then go up and down module and measuring instrument is driven to move up and down.When measuring instrumentss measure workpiece surface, make measuring instrument
Device drops to measurement position and measures to workpiece surface.The measurement position is exactly that measuring instrumentss is made to drop to engraving point of a knife
Lower section, in this way, can be measured to workpiece surface, without being influenced by graver.After measurement, computer control is risen
Module is dropped, carves measuring instrument to carve module to workpiece surface far from workpiece surface.Specific position can be as
Shown in figure, the position of measuring instrument is set to be higher than the position of graver, to not influence the work that graver is carved.Computer
It is connect with measurement module, measures the measurement data of acquisition to workpiece surface according to measuring instrumentss, adjusted in processing program
Carving depth, and control engraving module and workpiece is carved according to processing program adjusted.
The specific method step carved using above-mentioned engraving machine:
On the spindle motor side of original engraving machine install additional a measurement module, the measurement module include lifting module and with lifting
The measuring instrument of module connection, and to guarantee that the spatial position for filling measuring instrumentss on that module can be controlled indirectly by computer
System.
Computer control instrument table goes up and down module, and the position for measuring measuring instrumentss is lower than engraving point of a knife, then control measurement
Instrument is measured in workpiece surface, and the data measured are stored in computer-internal.After the completion of to be measured, computer is again
Control instrument lifting module makes measuring instrumentss be higher than engraving point of a knife.
Computer adjusts the carving depth in processing program according to the surface data measured, finally using adjusted
Processing program is processed.
The above movement is all automatically performed by computer, eliminates and manually installed measuring instrumentss is wanted to be surveyed in the prior art
Amount, after being measured, then the troublesome operation by manually tearing table open.And it eliminates artificial software of clicking and carries out path integration, and handle
Give the operation of engraving software in path after conversion.
This patent is to realize that measuring instrumentss when needing to measure workpiece, pass through meter by the purpose that setting instrument goes up and down module
The instruction that calculation machine issues, allowing the indicator of measuring instrumentss basically perpendicular to workpiece surface, (purpose is to can normally measure workpiece
Surface), and interfered without other objects, it could be carved since graver will be contacted with workpiece, instrument is effective when making to measure
Stroke is in carving in graver hereinafter, reaching normally to measure, and graver will not encounter the purpose of workpiece again.It is needing
When engraving, then the instruction issued by computer, allow measuring instrumentss to leave workpiece, measuring instrumentss will not when being moved to normal engraving
The position of workpiece is encountered, so that not damaging instrument, and engraving machine is able to carry out normal engraving movement.It goes up and down module can be with
Its purpose can be achieved using different structures.
As shown in Fig. 2A, 2B, the lifting module includes driving device 5 and the driving device for driving screw rod rotation
The screw rod 6 of connection, the sliding block 7 slided up and down along screw rod, the measuring instrument connect with sliding block, move up and down along screw rod.
As shown in Fig. 3 A, 3B, the lifting module includes expansion bend 8 and expansion bend push rod 9, and expansion bend push rod is along expansion bend
It moves up and down, the measuring instrument is connect with telescopic rod.
As shown in Fig. 4 A, 4B, the lifting module includes driving device 10, drive rod 11, connecting rod 12, described connecting rod one end
Measuring instrument 4 is connected, the other end connects drive rod 11, rotates under the drive of drive rod around central point 13 and drives measuring instrument
Lifting.
The method for the flatness that the measuring instrumentss are used to measure workpiece surface includes: that workpiece surface is divided into present count
The region of amount;Measure the characteristic point in each region and the relative altitude value of Workpiece zero point;Measure the characteristic point and work in each region
The method of the relative altitude value of part origin specifically includes: the digital display centimeter is pressed to workpiece surface;At this point, the digital display
The numerical value of dial gauge is shown as 0;Continue to push the digital display centimeter, until the numerical value of the digital display centimeter reaches present count
When value, the Workpiece zero point of the engraving machine is set 0;The digital display centimeter is raised, the syringe needle of the digital display centimeter is left
Then the digital display centimeter is moved to characteristic point to be measured by workpiece surface;Push the digital display centimeter, obtain it is described to
Measure the relative altitude value of characteristic point and the Workpiece zero point.
Automatic charging device is installed additional on the engraving machine, the purpose automatically continuously processed may be implemented, and does not have to worry
Thickness of workpiece different the problem of bringing.Including conveyer belt feeding area 14, conveyer belt discharging area 15, work of the new workpiece in suction disc equipment 16
Under, conveyer belt feeding area is entered, the feed belt is under the drive of shaft 17 by the workpiece of generation processing from transmission belt
Material area be moved to position to be processed, after completion of processing, transmission belt discharging area is moved to by transmission belt, by suction disc equipment 18 into
Enter into the device for placing completion workpiece.The position of workpiece is limited by fixed baffle 19 and flapper 20.Flapper pushes away
Pull rod 21 is for the fixed position for workpieces processing.
Embodiment 2:
A method of using numerical controlled carving, including measuring process and engraving step, the measuring process includes: control module control
System lifting block motion, lifting module drive measuring instrument to move up and down, measuring instrument are made to drop to measurement position to workpiece table
Face measures, and the data of measurement are saved in the control module.After being measured, control module measuring equipment is separate
Workpiece surface is carved to carve module to workpiece surface;The engraving step includes: control module according to measuring instrumentss
Measure the measurement data of acquisition to workpiece surface, adjust the carving depth in processing program, and control engraving module according to
Processing program adjusted carves workpiece.The measurement position is the low position with the graver of engraving module.
This method is to realize that measuring instrumentss when needing to measure workpiece, pass through meter by the purpose that setting instrument goes up and down module
The instruction that calculation machine issues, allowing the indicator of measuring instrumentss basically perpendicular to workpiece surface, (purpose is to can normally measure workpiece
Surface), and interfered without other objects, it could be carved since graver will be contacted with workpiece, instrument is effective when making to measure
Stroke is in carving in graver hereinafter, reaching normally to measure, and graver will not encounter the purpose of workpiece again.It is needing
When engraving, then the instruction issued by computer, allow measuring instrumentss to leave workpiece, measuring instrumentss will not when being moved to normal engraving
The position of workpiece is encountered, so that not damaging instrument, and engraving machine is able to carry out normal engraving movement.It goes up and down module can be with
Its purpose can be achieved using different structures.
As shown in Fig. 2A, 2B, the lifting module includes driving device 5 and the driving device for driving screw rod rotation
The screw rod 6 of connection, the sliding block 7 slided up and down along screw rod, the measuring instrument connect with sliding block, move up and down along screw rod.
As shown in Fig. 3 A, 3B, the lifting module includes expansion bend 8 and expansion bend push rod 9, and expansion bend push rod is along flexible
Device moves up and down, and the measuring instrument is connect with telescopic rod.
As shown in Fig. 4 A, 4B, the lifting module includes driving device 10, drive rod 11, connecting rod 12, described connecting rod one end
Measuring instrument 4 is connected, the other end connects drive rod 11, rotates under the drive of drive rod around central point 13 and drives measuring instrument
Lifting.
The method for measuring the flatness of workpiece surface includes: that workpiece surface is divided into the region of preset quantity;Measurement is every
The characteristic point in a region and the relative altitude value of Workpiece zero point;Measure the characteristic point in each region and the relative altitude of Workpiece zero point
The method of value specifically includes: the digital display centimeter is pressed to workpiece surface;At this point, the numerical value of the digital display centimeter is shown
It is 0;Continue to push the digital display centimeter, until when the numerical value of the digital display centimeter reaches default value, by the engraving
The Workpiece zero point of machine sets 0;The digital display centimeter is raised, the syringe needle of the digital display centimeter is made to leave workpiece surface, then will
The digital display centimeter is moved to characteristic point to be measured;The digital display centimeter is pushed, the characteristic point to be measured and institute are obtained
State the relative altitude value of Workpiece zero point.This method eliminates wants manually installed measuring instrumentss to measure in the prior art, measurement
After the completion, then the troublesome operation by manually tearing table open.And it eliminates artificial software of clicking and carries out path integration, and after conversion
Give the operation of engraving software in path.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, without departing from the technical principles of the invention, several improvements and modifications, these improvements and modifications can also be made
Also it should be regarded as protection scope of the present invention.