CN210452192U - Cutting apparatus - Google Patents
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- CN210452192U CN210452192U CN201920196761.7U CN201920196761U CN210452192U CN 210452192 U CN210452192 U CN 210452192U CN 201920196761 U CN201920196761 U CN 201920196761U CN 210452192 U CN210452192 U CN 210452192U
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Abstract
The utility model relates to a cutting device, which comprises at least two cutting units, wherein each cutting unit comprises a tool bit main driving motor; further comprising: a controller comprising a computer memory and a computer processor; the memory has stored therein a computer program; the detection unit of the real-time load current of the main driving motor of the cutting unit tool bit is respectively connected with the corresponding cutting unit and the controller and is configured to respond to the control acquisition of the processor and feed back each cutting unit tool bit to the controllerReal-time load current I of main drive motorrt(ii) a Each cutting unit is connected with the controller and is configured to respond to the control of the processor to realize the real-time load current I of the main cutter head driving motor of the cutting unitrtWithin a specified design current range. The utility model discloses extensively be applicable to various cutting equipment, guaranteed the low cost and the high efficiency of production, reached full automated control's best effect.
Description
Technical Field
The utility model relates to a cutting equipment especially relates to realize automatic control's panel is decided thick and is thrown mill equipment.
Background
The surface processing of various plate blanks, including artificial stone blank plates or natural stone plates, is usually carried out by polishing and grinding cutting equipment with a plurality of grinding heads, and the number of the polishing and grinding heads can usually be varied from 4 to 24.
In the processing process, a blank plate is placed on a working transmission belt of a multi-grinding-head thickness fixing machine, the transmission belt drives the blank plate to be processed to move through the driving of a motor, the blank plate passes through each polishing and grinding cutting grinding head on the multi-grinding-head polishing and grinding equipment one by one, and the polishing and grinding cutting grinding head performs polishing and grinding cutting on the upper surface of the blank plate on the transmission belt, for example, a polishing and grinding machine disclosed in Chinese patent CN 106737069A. The traditional multi-head polishing and grinding equipment adopts a manual mode to set the height of each polishing and grinding head so as to set the cutting amount of each polishing and grinding head on the surface of a blank plate passing through the lower part of the polishing and grinding head; the setting of the height, i.e. the cutting amount, of the first working polishing and grinding head is particularly important, if the setting is too high, the polishing and grinding cutting amount is not enough or the polishing and grinding cutting pin amount is not available, i.e. the polishing and grinding head works inefficiently, if the setting is too low, the polishing and grinding head has too large polishing and grinding cutting amount to the processed plate passing through the lower part of the polishing and grinding head, and the polishing and grinding head is overloaded and stops. If a certain polishing grinding head is overloaded, a mode of emergently reducing the belt speed of a transmission belt used for moving blank plates is adopted, or the polishing grinding head is emergently lifted, so that the purpose of reducing the load of the grinding head is achieved, and then the height of each polishing grinding head can be adjusted to achieve the purpose of balancing the load of the polishing grinding head.
When the blank plate passes through the last grinding head of the multi-head polishing and cutting equipment, the plate outlet thickness depends on the height of the polishing and grinding head, namely the thickness of the processed plate can be determined by setting the height of the last working grinding head.
In a conventional computer automatic control method, the thickness of a blank plate to be processed on a conveying belt is automatically detected through computer control, the cutting amount of each polishing grinding head on a multi-head thicknessing machine is calculated and uniformly distributed, and the height of each grinding head is increased or decreased through computer control, generally, the height of each polishing grinding head is gradually decreased.
However, in actual production, because the surface of the stone blank plate is usually uneven in depressions and uneven in thickness, the energy consumption required when the peaks and valleys (i.e. the projections and the depressions of the processing surface) of the part to be processed on the surface of the blank plate are polished and cut is naturally different, the peaks can be simply imagined as the top of the cone, the valleys can be imagined as the bottom of the cone, and the energy consumption required for cutting the top and the bottom of the cone is naturally far from each other.
In view of this, the thickness of the blank plate to be processed is detected by the computer to adjust the height of each grinding head and the speed of the conveying belt, so that the purpose of full-automatic control of production and processing with maximum efficiency cannot be achieved as desired.
Moreover, various artificial or natural stone materials including quartz blank plates are different from time to time, for example, the plates with large quartz particles in the artificial stone plates are generally high in hardness, so that the polishing cutting amount needs to be reduced in the same unit time to prevent the polishing grinding head motor from being overloaded and stopped. The hardness of different natural stones is also different, theoretically, the running speed of the multi-head thickness-determining machine transmission belt can be correspondingly faster when a softer plate is touched, and the running speed of the multi-head thickness-determining machine transmission belt can be correspondingly slower when a harder plate is touched, but the hardness of a blank plate is measured on an actual production site, and the operability is not strong, so that the optimal belt running speed is not easy to set.
Also, for example, japanese patent JP2013056392A discloses a machining apparatus which, while taking a load current value as a monitor, is set to stop machining when the load current exceeds a preset reference value. This arrangement undoubtedly makes the production cycle unreliable, thereby increasing the production cost and being disadvantageous for the assurance of the product quality.
Therefore, the conventional automatic control method still has the difficulty that each cutting grinding head of the multi-head polishing and grinding equipment is in the optimal and effective working state, and further the whole multi-head polishing and grinding equipment cannot be ensured to be in the optimal and effective working state; therefore, efficient automation control cannot be really realized.
SUMMERY OF THE UTILITY MODEL
In view of the above problems in the prior art, the present invention is directed to a cutting apparatus, which includes a plate polishing and grinding apparatus that realizes automatic control; the device is configured to respond to a computer program of a controller thereof, and each tool bit or grinding head is dynamically positioned at the height of the optimal effective working range and/or obtains the corresponding optimal transmission speed according to the real-time load current of the main driving motor of the tool bit or the polishing and grinding head, so that the corresponding production and processing process is completed, the low cost and the high efficiency of production are ensured, and the optimal effect of automatic control is achieved.
The technical solution of the utility model is realized like this:
a cutting apparatus comprising at least two cutting units, each cutting unit comprising a cutter head main drive motor; further comprising:
a controller comprising a computer memory and a computer processor; the memory has stored therein a computer program;
the detection unit of the real-time load current of the main driving motor of the cutter head of the cutting unit is respectively connected with the corresponding cutting unit and the controller and is configured to respond to the control acquisition of the processor and feed back the real-time load current I of the main driving motor of each cutter head of the cutting unit to the controllerrt；
Each cutting unit is connected with the controller and is configured to respond to the control of the processor to realize the real-time load current I of the main cutter head driving motor of the cutting unitrtWithin a specified design current range; the design current value is at a lower limit value IdminAnd an upper limit value IdmaxIn (1) realizert∈【Idmin，Idmax】。
Further, the cutting apparatus further comprises:
a conveying mechanism and a main conveying speed detection unit of the conveying mechanism;
the main conveying speed detection unit is respectively connected with the conveying mechanism and the controller and is configured to respond to the control acquisition of the processor and feed back the speed of the conveying mechanism for conveying the blanks processed by the cutting unit to the controller;
the conveying mechanism is connected with the controller and is configured to respond to the control of the processor to adjust the main conveying speed so as to realize real-time load current I of a cutter head main driving motor of each cutting unit participating in cutting in real timertWithin a specified design current range, i.e. to achieve Irt∈【Idmin，Idmax】。
Further, the cutting apparatus further comprises:
a cutting unit tool bit feed position detection unit which is respectively connected with the tool bit and the controller and is configured to respond to the control acquisition of the processor and feed back the cutting unit tool bit feed position to the controller;
the cutting unit is configured to respond to the control of the processor to adjust the position of each cutting unit cutter head participating in cutting in real time so as to realize the real-time load current I of the cutter head main driving motor of the cutting unitrtWithin a specified design current range, i.e. to achieve Irt∈【Idmin，Idmax】。
Further, the cutting unit is configured to achieve each of the real-time load currents I in response to control of the processorrtApproaching real-time average load current Iav；
The real-time average load current IavIs the average of the load currents of all the cutter heads participating in cutting in real time.
Further, the cutting unit is configured to achieve each of the real-time load currents I in response to control of the processorrtApproaching the upper limit I of the design currentdmax。
Further, the cutting apparatus further includes:
the material or product size detection units are respectively arranged at the feeding port and the discharging port, are respectively connected with the controller and are configured to respond to the control of the processor to respectively detect and feed back the relevant sizes of the feeding blank and the discharging product to the controller;
the cutting units are further configured to effect a reduction in the size of the incoming blank to a desired size of the outgoing product within a predetermined tolerance by at least two of the cutting units in response to control by the processor.
Further, the cutting apparatus further comprises:
a frame configured to move along one or more rails;
the at least two cutting units are fixed on the framework and are arranged in sequence.
Further, the conveying mechanism comprises a conveyor belt.
Further, the cutting units are configured to effect setting of an initial position of each of the cutting units prior to the feed blank passing a first one of the cutting units responsive to control of the processor.
Further, the cutting device further comprises:
a cutting unit bit wear detection unit respectively connected with the corresponding cutting unit and the controller and configured to collect and feed back wear data of the corresponding bit to the controller in response to control of the processor;
the cutting unit is configured to perform a corresponding operation according to a comparison of the corresponding bit wear data with a predetermined value thereof in response to control of the processor.
Specifically, the cutting unit is a grinding unit, and the grinding units are fixed on the swing arm of the framework and are sequentially arranged along the longitudinal direction of the swing arm parallel to the main conveying direction.
More specifically, the cutting apparatus may include:
the cutting assembly comprises N cutting units and a framework, wherein the N cutting units are fixed on the framework and are sequentially arranged, and N is more than or equal to 2;
a conveying device;
further comprising:
a controller and a process parameter collector;
the controller comprises a memory and a processor, the memory storing a computer program;
the technological parameter collector comprises a main driving motor real-time load current I of each cutting unit tool bitrtDetection unit, cutter head feed position detection unit, main conveyor belt speed V of main conveyorbThe detection unit is used for detecting the sizes of the fed blanks and the discharged products;
the process parameter collector is respectively connected with the controller and is configured to respond to the control of the processor to collect and feed back corresponding data;
the cutting assembly and the main transmission device are respectively connected with the controller and are configured to respond to the control of the processor to realize the real-time load current I of the main driving motor of the cutting unit cutter head participating in cutting in real timertAdjusting and setting the conveying speed V of the main conveyorbAnd/or the feed position of each respective cutter head, such that the cutting is in an overall balanced state; and making the real-time average load current I under the overall equilibrium state in one production cycleavApproaching the upper limit of the design current Idmax。
Further, the process parameter collector also comprises a tool bit abrasion detection unit which is connected with the controller and is configured to respond to the control of the processor to collect and feed back corresponding data;
the cutting assembly and the conveying device are further configured to respond to the control of the processor to realize corresponding operation according to the wear data of the cutter head of the cutting unit; including shut down, alarms or corresponding initial setting of the feed amount of the cutter head. The detected tool bit wear data is compared with the set critical value of the corresponding parameter, and whether the corresponding grinding head needs to be stopped and/or alarmed is judged. The critical value is the critical point at which the cutting head of the cutting unit must be stopped and/or warned of wear.
Further, the cutting assembly, the conveying device and the process parameter collector are also configured to respond to the control of the processor to realize corresponding operation according to the size of the real-time discharged product, namely, the collected and detected size of the discharged product is compared with the required size parameter, and when the size is unqualified, the equipment is shut down and an alarm is given; and when the size of the discharged product is qualified, storing corresponding real-time process parameters (including a cutter head feeding position, a belt speed and the like) and using the parameters as preset reference values for processing the product with the corresponding size.
The cutting equipment can be specifically fixed-thickness polishing equipment, the cutting assembly is a polishing assembly, the cutting unit is a grinding unit, and the grinding units are fixed on a swing arm of the framework and sequentially arranged along the longitudinal direction of the swing arm;
the main conveying device comprises a main conveying belt and a driving motor thereof;
the swing arm is located in parallel above the main conveyor belt, and the length direction of the swing arm is consistent with that of the main conveyor belt.
Specifically, when the processor of the controller executes the program, the controller implements the following steps: according to respective real-time load current I of main driving motors of more than 2 cutter heads of cutting units participating in cutting in real timertAdjusting and setting the conveying speed V of the main conveyorbAnd/or the feed position of each corresponding cutter head, controlling the cutting to be in an overall balanced state; and repeating the above steps in a production cycle such that the real-time average load current I in the global equilibrium stateavApproaching the upper limit of the design current Idmax(ii) a Wherein the content of the first and second substances,
the integral balance state refers to the real-time load current I of the main driving motor of each cutting unit cutter head participating in cutting in real timertAre all within the design current range Irt∈【Idmin，IdmaxAnd approaches said real time average load current Iav；
The real-time average load current IavThe average value of the load current of all the cutter heads participating in cutting in real time;
Idmax，Idminrespectively, an upper limit value and a lower limit value of the design current.
The production cycle refers to that a batch of blanks to be processed enters the first cutting unit to start cutting under the transmission of the main conveyor belt, and the batch of blanks completely leaves the last cutting unit to finish cutting through the cutting process.
Real-time average load current IavIs the real-time load current average of all the tool bits participating in cutting, in particular, when only the first tool bit is participating in cutting, the average load current is the real-time load current of the first tool bit; when the first and second tool tips are participating in the cutting of the workpiece, the average load current is the sum of the real-time load currents of the first and second tool tips divided by 2; by analogy, calculating the real-time average load current Iav。
The processor of the control unit, when executing the computer program stored in the memory of the control unit, carries out the step of real-time loading current I of any one of the cutting heads participating in the cutting operation in real timertGreater than the upper limit value I of the design currentdmaxOr less than the lower limit value I of the design currentdminThe motor speed of the main conveyor belt is correspondingly reduced or increased to reduce or increase the corresponding belt speed VbThis adjustment can also be effected individually or simultaneously in such a way that the feed of the cutting heads is reduced or increased until the real-time load current I of all cutting headsrt∈【Idmin，IdmaxAt this time, the real-time average load current IavMust not be greater than Idmax(ii) a On the basis, in order to realize the integral balance of the working load of the cutting unit, the I is consideredrtIs less than IavImproves the tool bit feed, and for IrtIs greater than IavThe bit of (a) reduces its bit feed (normally except the last bit); likewise, this adjustment can be carried out by correspondingly increasing and decreasing the rotational speed of the motor of the main conveyor belt, i.e. the conveyor belt speed VbTo be implemented. When all the cutter heads are loaded with current I in real timertAll at real time average load current IavThe nearby cutting is in an integral balanced state, and the belt conveying speed V is further increasedbSo as to achieve the purpose of improving the cutting efficiency.
Since the feed of the last cutter head depends on the relevant dimensional requirements of the final product, the real-time adjustment of the feed of the cutter head is not normally suitable for the last cutter head; just the utility model discloses based on many cutting units (or tool bit) cutting process of progressive type in coordination, therefore in the adjustment process of above-mentioned tool bit feed rate, under the normal conditions, keep all the time from first tool bit to the real-time basic situation that feed rate increases gradually of last tool bit.
Further, the processor executes the program and further includes the following steps: according to the wear of the cutting unit bit, corresponding operations are performed, including shutdown, alarm or corresponding initial setting of the feed amount of the bit. The detected tool bit wear data is compared with the set critical value of the corresponding parameter, and whether the corresponding grinding head needs to be stopped and/or alarmed is judged. The critical value is the critical point at which the cutting head of the cutting unit must be stopped and/or warned of wear.
Further, the processor executes the program and further includes the following steps: executing corresponding operation according to the size of the discharged product, namely comparing the collected and detected size of the discharged product with required size parameters, and executing shutdown and alarm operation when the size is unqualified; and when the size of the discharged product is qualified, storing corresponding real-time process parameters (including a cutter head feeding position, a belt speed and the like) and using the parameters as preset reference values for processing the product with the corresponding size.
Specifically, the cutting unit may be a grinding unit, i.e., a grinding head assembly; the production period is a plate thickness-fixed polishing processing period, namely, a batch of plates to be processed enter the grinding head of the first grinding unit under the transmission of the conveyer belt to start grinding, and the batch of plates completely leave the grinding head of the last grinding unit through the grinding processing to finish grinding.
More specifically, the processor implements the following steps when executing the program:
the method comprises the following steps: detecting and reading original process parameters, including
Detecting the plate feeding thickness T of a blank plate to be processed (also called as a feeding plate or a feeding blank)H,TLWhen is coming into contact withTH≤TmaxAnd TL≥T0When the blank plate enters polishing equipment, the blank plate is ready to be processed; wherein, THAnd TLRespectively the actual measured maximum thickness and the minimum thickness, T, of the blank plate to be processedmaxIs the maximum thickness, T, of the blank to be machined permitted by the polishing and grinding apparatus0The thickness required by the finished plate (also called as a plate discharging or discharging product) after the polishing and grinding with fixed thickness are finished;
reading the original process parameters, including but not limited to the detected or inputted blank feeding thickness, product discharging set thickness, and stored corresponding preset parameters of each grinding head, such as longitudinal feeding position or height of each grinding head, grinding head abrasive wear alarm and/or stop critical value, etc., and corresponding preset parameters of a motor, initial belt speed of a main conveyor belt, upper limit of belt speed, etc., and also including unit set values related to relevant parameter adjustment, such as unit set value of grinding head longitudinal feeding change, unit set value of main conveyor belt speed change, etc.
Step two: the preliminary thickness-fixing polishing comprises
(2.1) setting the initial feeding position of each grinding unit grinding head: the first grinding head and the last grinding head are respectively provided with THAnd T0For reference, when N is more than or equal to 3, the feeding positions of the middle grinding heads are sequentially arranged in a stepped descending manner, wherein N is the number of the grinding units;
(2.2) starting corresponding motors, including main rotary driving motors and longitudinal feeding motors of grinding heads, swing driving motors of swing arms of polishing and grinding assembly frames, driving motors of main conveyor belts, and setting initial belt speed V of the main conveyor beltsb0<Upper limit V of belt speed allowance of main conveyor beltbmax；
Step three: in the polishing process, periodically polling the real-time grinding data of each grinding head of the grinding unit participating in the grinding work in real time and adjusting corresponding technological parameters to finish fixed-thickness polishing, wherein the polishing process comprises
Periodically polling the real-time load current I of each grinding head main rotation driving motor participating in grinding in real timertComparing the respective grinding heads IrtAnd the design currentAnd thereby controlling the main transmission device and each grinding unit to execute corresponding instructions:
when any grinding head isrt＞IdmaxOr I thereofrt＜IdminWhen the grinding head is not the last grinding unit grinding head, the feeding amount of the grinding head is correspondingly reduced or increased by a unit set value; repeating the operation steps in the third step;
when each grinding head is Irt∈【Idmin，IdmaxJudging whether the whole is balanced and carrying out corresponding adjustment:
when the real-time load current I of any grinding headrtRelative real-time average load current IavWhen the deviation value exceeds the specified value, the main conveyor belt correspondingly decelerates or accelerates by a unit set value, or the feeding amount of the grinding head is correspondingly reduced or increased by a unit set value when the grinding head is not the last grinding unit grinding head; repeating the steps in the third step;
when each grinding head is in an integral balanced state and no product is discharged, the main conveyor belt accelerates by a unit set value; repeating the steps in the third step;
step four: the blank follow-up main conveyor belt detects the thickness T of the plate when the blank follow-up main conveyor belt finishes all grinding processing and products are discharged1When T is1≠T0When the product is unqualified, alarming or stopping the machine for detection; when T is1=T0When the product is qualified, storing relevant process parameters at the moment, and setting the relevant process parameters as the preset reference values of the corresponding plate to be processed; and repeating the operations of the third step and the fourth step until the production cycle is finished.
Product discharge means that one incoming plate completes the entire grinding process, leaving the grinding heads of the last grinding unit with the main conveyor.
In particular, in the third step, when I of a certain grinding head participating in grinding in real timert＞IdmaxOr I thereofrt＜IdminI.e. Irt∉【Idmin，IdmaxTime (c)For the adjustment of the grinding process: when the grinding head is Irt＞IdmaxWhen the grinding head is not the last grinding unit grinding head, another scheme is that the feeding amount of the grinding head is correspondingly reduced by a unit set value, namely the grinding head is raised by a unit set value;
when the grinding head is Irt＜IdminIn this case, a unit setting value can be correspondingly increased for the main conveyor belt, and likewise, when the grinding head is not the last grinding unit grinding head, there is another solution in which a unit setting value is correspondingly increased for the feed amount of the grinding head, i.e., the grinding head is lowered by a unit setting value.
For the non-integral equilibrium state of grinding, the corresponding adjustment in the third step is that: i of a grinding head which is involved in grinding in real timertGreater than the real time average load current IavAnd the absolute value of the difference exceeds the specified value, correspondingly decelerating a unit set value for the main conveyor belt; when the grinding head is not the last grinding unit head, there is another scheme that the feed amount for the grinding head is correspondingly reduced by a unit set value, that is, the grinding head is raised by a unit set value.
On the contrary, when the grinding head participates in grinding in real time IrtLess than the real time average load current IavWhen the absolute value of the difference exceeds a specified value, correspondingly accelerating a unit set value for the main conveyor belt; likewise, when the grinding head is not the last grinding unit head, there is another scheme of increasing a unit set value for the feed amount of the grinding head correspondingly, that is, decreasing the grinding head correspondingly by a unit set value.
The inspection and adjustment period in the third step, that is, the time period for automatically inspecting and adjusting the cutting parameters set by the computer program, can be set to be 100ms to 1s according to the production requirements.
The initial feeding positions of the grinding heads of all the grinding units are sequentially arranged in a stepped descending manner, and the bottommost positions of the corresponding grinding head grinding materials are kept to be sequentially descended in the whole grinding production periodState is not less than T0The height difference of the initial feeding positions of two adjacent grinding heads is (Tmax-T) in principle0）/（N-1）。
Thus, in the process of fixed-thickness polishing, the real-time load current I of the main rotary driving motor of each grinding head participating in grinding in real timertFor this reason, the adjustment schemes mainly include two types, that is, the belt speed adjustment priority of the main conveyor belt and the feed amount adjustment priority of each grinding head, and the two schemes can be mutually matched and supplemented. Generally, the reaction speed of the influence of the belt speed adjustment of the main conveyor belt on the magnitude of the load of the grinding heads is faster than the reaction speed of the influence of the lifting and lowering of the grinding heads on the magnitude of the load of the grinding heads.
More preferably, the processor executes the program and further implements the following steps: the abrasive material of the grinding head of the routing inspection grinding unit is abraded to carry out corresponding operation; namely, it is
Step one and step three, also include patrolling and examining the abrasive material wear data of every corresponding grinding head periodically respectively, compare with critical value of shutting down and/or warning presumed and then carry out the corresponding operation, including shutting down, warning or continuing the next step;
in the second step, the setting of the initial feeding position of each grinding head needs to refer to the abrasive wear data of the corresponding grinding head.
Correspondingly, the utility model discloses simultaneously disclose the corresponding control method of cutting equipment, including following step:
-receiving a real time load current I of each cutter head main drive motor of the at least two cutting unitsrt;
-controlling the real-time load current within a specified design current range in response to the received real-time load current, the design current having a value at a lower limit IdminAnd an upper limit value IdmaxIn (1) realizert∈【Idmin，Idmax】。
The lower limit value IdminAnd an upper limit value IdmaxStored on the memory of the computer.
Further, the method also comprises the following steps:
-controlling the speed of the transport mechanism to ensure a real-time load current I of the main cutter head drive motor of each cutting unit participating in cutting in real timertWithin the specified range, i.e. to achieve Irt∈【Idmin，Idmax】；
The transport mechanism is used for transporting or feeding a hard material or blank to the at least two cutting units.
Or further, the method also comprises the following steps:
-controlling the position of each cutting unit, i.e. the position of the cutter head, participating in the cutting in real time to ensure a real-time load current I of the main drive motor of the cutter head of each cutting unit participating in the cutting in real timertWithin the stated range, i.e. to achieve Irt∈【Idmin，Idmax】。
Further, the method also comprises the following steps:
-controlling each of said real-time load currents IrtApproaching real-time average load current Iav；
The real-time average load current IavIs the average of the load currents of all the cutter heads participating in cutting in real time.
Furthermore, the method also comprises the following steps:
-controlling each of said real-time load currents IrtApproaching the upper limit I of the design currentdmax。
Further, the method also comprises the following steps:
-detecting the size of the hard material or blank and controlling the at least two cutting units to reduce the size of the hard material or blank to a desired size within a predetermined tolerance.
Further, the method also comprises the following steps:
-setting an initial position of said each cutting unit before the hard material or blank passes the first of said cutting units with said transfer mechanism.
Further, the method also comprises the following steps:
-monitoring the degree of wear of each cutting unit head participating in the cutting in real time and comparing it with a corresponding pre-value, beyond which an alarm signal is emitted.
Specifically, the control method may include the following steps:
periodically controlling the acquisition and reception of the respective real-time load current I of the main drive motor of the cutting unit cutting head participating in the cutting in real timert；
-calculating the real-time average load current Iav；
According to said IrtAdjusting and setting the conveying speed V of the main conveyorbAnd/or the feed position of each corresponding cutter head, controlling the cutting to be in an overall balanced state;
-and repeating the above steps during a production cycle such that the real time average load current I in said global equilibrium state isavApproaching the upper limit of the design current Idmax；
Wherein the integral balance state refers to the real-time load current I of the main driving motor of each cutting unit cutter head participating in cutting in real timertAre all within the design current range Irt∈【Idmin，IdmaxAnd approaches said real time average load current Iav；
The real-time average load current IavThe average value of the load current of all the cutter heads participating in cutting in real time;
Idmax，Idminthe upper limit value and the lower limit value of the predetermined design current are respectively set.
Further, the method also comprises the following steps: according to the size parameters of the discharged product, corresponding operations are executed, including comparison with the required size according to the collected size parameters of the discharged product, and an unqualified person stops the machine or alarms to be detected; and storing the corresponding real-time process parameters by the qualified person.
Further, the method also comprises the following steps: and performing corresponding operation according to the abrasion of the cutter head of the cutting unit, wherein the operation comprises the step of comparing the periodically acquired cutter head abrasion data with the set critical value of the corresponding parameter, and stopping and/or alarming the corresponding cutter head if the data exceeds the critical value.
More specifically, when the cutting device is a grinding unit of a polishing device, in the process of polishing and grinding a plate with a fixed thickness, the control method uses a computer processor to execute a computer program on a computer memory, and specifically realizes the following steps:
the method comprises the following steps: detecting and reading original process parameters, including
Detecting plate feeding thickness T of blank plate to be processedH,TLWhen T isH≤TmaxAnd TL≥T0When the blank plate enters polishing equipment, the blank plate is ready to be processed; wherein, THAnd TLRespectively the actual measured maximum thickness and the minimum thickness, T, of the blank plate to be processedmaxIs the maximum thickness, T, of the blank to be machined permitted by the polishing and grinding apparatus0The thickness is required by the finished plate when the fixed-thickness polishing is finished;
step two: the preliminary thickness-fixing polishing comprises
(2.1) setting the initial feeding position of each grinding unit grinding head: the first grinding head and the last grinding head are respectively provided with THAnd T0For reference, when N is more than or equal to 3, the feeding positions of the middle grinding heads are sequentially arranged in a stepped descending manner, wherein N is the number of the grinding units;
(2.2) starting corresponding motors, including main rotary driving motors and longitudinal feeding motors of grinding heads, swing driving motors of swing arms of polishing and grinding assembly frames, driving motors of main conveyor belts, and setting initial belt speed V of the main conveyor beltsb0<Upper limit V of belt speed allowance of main conveyor beltbmax；
Step three: in the polishing process, periodically polling the real-time grinding data of each grinding head of the grinding unit participating in the grinding work in real time and adjusting corresponding technological parameters to finish fixed-thickness polishing, wherein the polishing process comprises
Periodically polling the real-time load current I of each grinding head main rotation driving motor participating in grinding in real timertComparing the respective grinding heads IrtIn relation to the magnitude of the design current and thereby controlling the main transfer mechanism and the respective grindingThe unit executes the corresponding instruction:
when any grinding head isrt＞IdmaxOr I thereofrt＜IdminWhen the grinding head is not the last grinding unit grinding head, the feeding amount of the grinding head is correspondingly reduced or increased by a unit set value; repeating the operation steps in the third step;
when each grinding head is Irt∈【Idmin，IdmaxJudging whether the whole is balanced and carrying out corresponding adjustment:
when the real-time load current I of any grinding headrtRelative real-time average load current IavWhen the deviation value exceeds the specified value, the main conveyor belt correspondingly decelerates or accelerates by a unit set value, or the feeding amount of the grinding head is correspondingly reduced or increased by a unit set value when the grinding head is not the last grinding unit grinding head; repeating the steps in the third step;
when each grinding head is in an integral balanced state and no product is discharged, the main conveyor belt accelerates by a unit set value; repeating the steps in the third step;
step four: when the product is discharged, the thickness T of the plate is detected1When T is1≠T0When the product is unqualified, alarming or stopping the machine for detection; when T is1=T0When the product is qualified, storing relevant process parameters at the moment, and setting the relevant process parameters as the preset reference values of the corresponding plate to be processed; and repeating the operations of the third step and the fourth step until the production cycle is finished.
Further, the abrasive wear of the grinding head of the routing inspection grinding unit is executed to carry out corresponding operation; namely, it is
Step one and step three, also include patrolling and examining the abrasive material wear data of every corresponding grinding head periodically respectively, compare with critical value of shutting down and/or warning presumed and then carry out the corresponding operation, including shutting down, warning or continuing the next step;
in the second step, the setting of the initial feeding position of each grinding head needs to refer to the abrasive wear data of the corresponding grinding head.
According to the present invention, there is also provided a computer program product, i.e. a computer readable storage medium, having stored thereon a corresponding computer program for being accessed by a processor of a computer device for controlling said cutting device or for performing said control method, or for carrying out the steps of said control method when said computer program is executed by a processor.
Compared with the prior art, cutting equipment, realized the various influence factors of comprehensive consideration in the production process to the tool bit of each cutting unit or the bistrique main drive motor's of polishing unit real-time load current IrtFor the control signal, is configured to periodically adjust and set the conveying speed of the main conveyor belt, i.e. the belt speed V, in response to control by its processorbAnd/or the feeding position or the feeding amount of each tool bit or each grinding head, the cutting of each tool bit is controlled to be in a dynamic integral balanced state, the full-automatic control of production and the high efficiency and low cost of the production process are finally realized, and meanwhile, the safety production is more effectively ensured.
Drawings
Fig. 1 is a schematic view of the integration of the device according to the embodiment of the present invention.
Fig. 2a and 2b are schematic control flow diagrams of the constant-thickness polishing controller according to two embodiments of the present invention;
fig. 3 is a schematic perspective view of a mechanical structure of a constant thickness polishing machine according to an embodiment of the present invention;
fig. 4 is a front view of fig. 3.
Detailed Description
The present invention will now be described in further detail with reference to the following examples.
A cutting apparatus comprising:
the cutting assembly comprises N cutting units and a framework, wherein the N cutting units are fixed on the framework and are sequentially arranged, and N is more than or equal to 2;
the conveying mechanism comprises a main conveying belt and a driving motor thereof;
technological parameter collectorComprising a real-time load current I of a main drive motor of each cutting unit cutter headrtDetection unit, cutter head feed position detection unit, main conveyor belt speed V of main conveyor mechanismbThe detection unit is used for detecting the relative sizes of the fed blank and the discharged product;
and a controller; the controller comprises a processor and a memory, the memory having stored thereon a computer program that, when executed by the processor, performs the steps of:
periodically acquiring the respective real-time load current I of the main drive motor of the cutting unit cutter head participating in cutting in real timert；
-calculating the real-time average load current Iav；
According to said IrtAdjusting and setting the conveying speed V of the main conveyorbAnd/or the feed position of each corresponding cutter head, controlling the cutting to be in an overall balanced state;
-and repeating the above steps during a production cycle such that the real time average load current I in said global equilibrium state isavApproaching the upper limit of the design current Idmax；
Wherein the integral balance state refers to the real-time load current I of the main driving motor of each cutting unit cutter head participating in cutting in real timertAre all within their design current range Irt∈【Idmin，IdmaxAnd approaches said real time average load current Iav；
The real-time average load current IavThe average value of the load current of all the cutter heads participating in cutting in real time;
Idmax，Idminrespectively designing an upper limit value and a lower limit value of current for a main driving motor of the cutter head;
the cutting assembly, the main conveying device and each process parameter collector are respectively connected with the controller and are configured to respond to the control of the processor to execute the program.
The production cycle refers to that a batch of blanks to be processed enters the first cutting unit to start cutting under the transmission of the main conveyor belt, and the batch of blanks completely leaves the last cutting unit to finish cutting through the cutting process.
Real-time average load current IavIs the real-time load current average of all the tool bits participating in cutting, in particular, when only the first tool bit is participating in cutting, the average load current is the real-time load current of the first tool bit; when the first and second tool tips are participating in the cutting of the workpiece, the average load current is the sum of the real-time load currents of the first and second tool tips divided by 2; by analogy, calculating the real-time average load current Iav。
The processor of the control unit, when executing the computer program stored in the memory of the control unit, carries out the step of real-time loading current I of any one of the cutting heads participating in the cutting operation in real timertGreater than the upper limit value I of the design currentdmaxOr less than the lower limit value I of the design currentdminThe motor speed of the main conveyor belt is correspondingly reduced or increased to reduce or increase the corresponding belt speed VbThis adjustment can also be effected individually or simultaneously in such a way that the feed of the cutting heads is reduced or increased until the real-time load current I of all the cutting headsrt∈【Idmin，IdmaxAt this time, the real-time average load current IavMust not be greater than Idmax(ii) a On the basis, in order to realize the integral balance of the working load of the cutting unit, the I is consideredrtIs less than IavImproves the tool bit feed, and for IrtIs greater than IavThe bit of (a) reduces its bit feed (normally except the last bit); likewise, this adjustment can be carried out by correspondingly increasing and decreasing the rotational speed of the motor of the main conveyor belt, i.e. the conveyor belt speed VbTo be implemented. When all the cutter heads are loaded with current I in real timertAll at real time average load current IavThe nearby cutting is in an integral balanced state, so that the belt conveying speed V can be further increasedbSo as to achieve the purpose of improving the cutting efficiency.
Since the feed of the last cutter head depends on the relevant dimensional requirements of the final product, the real-time adjustment of the feed of the cutter head is not normally suitable for the last cutter head; just the utility model discloses based on many cutting units (or tool bit) are cutting process in coordination with progressive type, therefore in the adjustment process of above-mentioned tool bit feed rate, under the normal conditions, remain throughout to increase progressively (the real-time feed position of tool bit descends one by one) basic situation from first tool bit to last tool bit real-time feed rate.
Further, the processor implements the following steps when executing the program: executing corresponding operation according to the size parameter of the discharged product; the size parameters of the discharged product are collected in real time and compared with the required size, and unqualified people stop the machine or give an alarm to be checked; the qualified person stores corresponding real-time process parameters including tool bit feeding data, conveyor belt speed and the like as preset reference values of the corresponding plate to be processed;
further, the processor executes the program to implement the following steps: according to the wear of the cutting unit bit, corresponding operations are performed, including shutdown, alarm or corresponding initial setting of the feed amount of the bit. The detected tool bit wear data is compared with the set critical values of the corresponding parameters, and whether the corresponding tool bit needs to be stopped and/or alarmed is judged. The critical value is the critical point at which the cutting head of the cutting unit must be stopped and/or warned of wear.
In particular, the cutting assembly may be a polishing assembly; the corresponding cutting unit can be a grinding unit, namely a grinding head assembly; that is, the cutting apparatus may be a multi-head fixed thickness polishing machine for fixed thickness polishing, as shown in fig. 3 and 4, including:
the polishing and grinding assembly S comprises a framework and 6 polishing and grinding head assemblies (namely grinding units) with the same specification, wherein the grinding head assemblies are fixed on a reciprocating swing arm S1 of the framework and are sequentially arranged along the longitudinal direction of the framework;
the main conveying device comprises a main conveying belt 1 and a driving motor thereof; the swing arm S1 of the framework is parallel to the upper part of the main conveyor belt 1, and the length directions of the swing arm S1 and the main conveyor belt 1 are consistent; in the working state, the swing arm S1 swings back and forth along the transverse direction of the main conveyor belt 1, and the swing amplitude is enough to cover the width of the plate to be processed and not exceed the width range of the main conveyor belt 1;
the technological parameter collector comprises a grinding head main rotation driving motor real-time load current I respectively connected with the grinding head assemblyrtA detection unit, a longitudinal feed height detection unit of the grinding head, and a belt speed V of a main conveyor belt connected with the main conveyor devicebA detection unit (or a motor speed detection unit of the main conveyor belt directly corresponding to the belt speed), a plate feeding and discharging thickness detection unit DIN,DOU(ii) a In addition, a grinding head longitudinal displacement detection unit D can be further includedN(N =1-6) and the swing arm transverse feeding detection unit are respectively used for acquiring corresponding grinding head abrasive wear data and transverse feeding data of the swing arm or the grinding head;
and a fixed-thickness polishing controller, the controller comprising a processor and a memory, the memory having stored thereon a computer program;
the polishing and grinding assembly S, the main conveying device and each process parameter collector are respectively connected with the controller, as shown in figure 1; and is configured to execute a corresponding program in response to control of the processor.
Specifically, the processor executes the program to implement the following steps: according to the respective real-time load current I of the main rotary driving motors of the grinding heads of the grinding units (i.e. grinding head assemblies, which can be 4-30 generally) participating in grinding in real timertAdjusting and setting the conveying speed V of the main conveyorbAnd/or the feeding position (or feeding amount) of each corresponding grinding head, and controlling the grinding to be in an overall balanced state; and repeating the steps in a plate thickness-fixed polishing processing period to enable the real-time average load current I under the integral balanced stateavApproaching the upper limit of the design currentIdmax(ii) a And the plate thickness-fixed polishing cycle is that a batch of plates to be processed enter the grinding head of the first grinding unit under the transmission of the conveyer belt to start grinding, and the batch of plates completely leave the grinding head of the last grinding unit through the grinding processing to finish grinding.
The processor, when executing the program, implements the steps of: executing corresponding operation according to the size parameter of the discharged product; the size parameters of the discharged product are collected in real time and compared with the required size, and unqualified people stop the machine or give an alarm to be checked; the qualified person stores corresponding real-time process parameters including grinding head feeding data, conveyor belt speed and the like as preset reference values of the corresponding plate to be processed;
the processor, when executing the program, further implements the steps of: according to the abrasion of the cutter head of the grinding unit, corresponding operations including shutdown, alarm and initial setting of the cutter head feeding position are executed.
Wherein the overall balance state refers to the real-time load current I of the main rotary driving motor of each grinding unit participating in grinding in real timertAre all within their design current range Irt∈【Idmin，IdmaxAnd approaches said real time average load current Iav；
The real-time average load current IavThe load current of all grinding head driving motors participating in grinding in real time is the average value;
the controller utilizes the real-time load current I of the grinding head main rotary driving motor of each grinding unit which is detected to participate in grinding in real timertAs control signals, the computer program stored in the memory is used for controlling to obtain the whole balance state of the grinding and obtain the real-time optimal feeding position or feeding amount of each grinding unit grinding head and the corresponding optimal belt speed V of the main conveyor belt in the stateb。
Specifically, as shown in fig. 3 and 4, each grinding head assembly (i.e., grinding unit) includes a grinding head GNCorresponding grinding head main rotary driving motor ANAnd grinding head lifting motor BNN =1-6, and 6 grinding head assemblies can be arranged on the reciprocating swing arm S1 of the polishing and grinding assembly S in an equidistant manner. The polishing assembly S is driven by a polishing assembly driving motor C1，C2Driven to oscillate back and forth in the transverse direction of the main conveyor belt, the frequency of oscillation being controllable by a computer program of a controller and being common to the main conveyor belt1, the traveling speed is matched, and the reciprocating swing stroke is all grinding heads G1-G6At least the width of the sheet to be processed, but is generally smaller than the width of the main conveyor 1. Polishing assembly driving motor C1And C2Always in synchronism and so that the swing arm S1 is always at a 90 degree angle to the direction of travel of the main conveyor 1.
Grinding head G of 6 grinding head assemblies of the same scaleNAre respectively a first polishing and grinding head G1Second polishing and grinding head G2Third polishing and grinding head G3Fourth polishing and grinding head G4Fifth polishing and grinding head G5And the last, sixth, polishing head G6. The optimal effective load current interval of each polishing and grinding head driving motor is IdminAnd IdmaxOptimum upper limit current value of operation IdmaxGreater than the optimal lower limit current value Idmin。THIs the numerical value of the highest point of the upper surface of a blank plate 2 to be processed (namely the maximum processing thickness of the blank plate) which is horizontally placed on a main conveying belt 1 and enters a constant-thickness polishing machineLIs the value of the corresponding lowest point of the upper surface (i.e. the minimum worked thickness of the blank sheet), T0Is the thickness T required by the finished plate after the polishing and grinding processing with fixed thicknessmaxIs the maximum processing thickness allowed by the multi-head fixed-thickness polishing machine; t is usually satisfiedH≤Tmax，TH≥TL≥ T0。
The processor of the method implements the specific steps when executing the program, as shown in fig. 2 a:
the method comprises the following steps: detecting and reading original process parameters, including
Detecting plate feeding thickness T of blank plate to be processedH,TLWhen T isH≤TmaxAnd TL≥T0When the blank plate enters polishing equipment, the blank plate is ready to be processed;
reading original process parameters including, but not limited to, detected or inputted blank in-plate thickness, corresponding product out-plate set thickness, and stored corresponding preset parameters of each grinding head such as longitudinal feeding position or height of each grinding head, grinding headData relating to the wear of the abrasive material, such as the threshold values of the alarm and/or of the stoppage associated therewith and the longitudinal displacement of the grinding head, as well as corresponding preset parameters of the motor, the initial belt speed V of the main conveyorb0And the corresponding upper limit V allowed by the belt speedbmax(or corresponding motor speed initial set value and upper limit set value of said motor speed) and so on, and also includes unit set values related to the adjustment of relevant parameters, such as unit set value of longitudinal feed change of grinding head, unit set value of belt speed change of main conveyor belt (or corresponding motor speed) and so on.
In the process, the method also comprises the step of comparing the detected grinding head abrasive wear data with corresponding shutdown and/or alarm critical values, and if the data is below the critical values, executing corresponding shutdown or alarm operation.
Step two: the preliminary thickness-fixing polishing comprises
(2.1) setting the initial feeding position of each grinding unit grinding head according to the plate feeding thickness of the blank plate: the first grinding head and the last grinding head are respectively provided with THAnd T0For reference and combination with the related parameters detected in the first step, when N is more than or equal to 3, the feeding position of the middle grinding head is combined with the related parameters read and detected in the first step and is sequentially arranged in a stepped descending manner, wherein N is the number of grinding units, and the related parameters read and detected in the first step mainly comprise preset parameters of each grinding head read in the first step, such as the longitudinal feeding position or height of each grinding head, the detected abrasive wear related data of the grinding head and the like;
the initial feeding positions of the grinding heads of each grinding unit are arranged according to the basic principle of sequential stepped descending, and the height difference of the initial feeding positions of two adjacent grinding heads is (T)max-T0) V (N-1); in the actual setting, as mentioned above, the compensation of the abrasive wear of the corresponding grinding head needs to be considered; and the bottommost positions of the corresponding grinding heads are kept in a descending state in sequence in the whole grinding production period and are not lower than T0As shown in fig. 3 and 4.
(2.2) controlling and starting the corresponding motor according to the original process parameters, including the main rotation of each grinding headA driving motor, a longitudinal feeding motor, a swinging driving motor of a frame swing arm of the polishing and grinding assembly, a driving motor of a main conveyor belt, and setting an initial belt speed V of the main conveyor beltb0<Upper limit of allowable belt speed Vbmax；
Step three: in the polishing process, aiming at each grinding head of a grinding unit participating in grinding work in real time, the respective abrasive wear data and the real-time load current I of the main rotary driving motor are periodically inspectedrtAnd adjusting corresponding technological parameters to finish fixed-thickness polishing, comprising:
(3.1) periodically inspecting the abrasive wear data of each grinding head and the real-time load current I of the main rotary driving motorrt；
(3.2) stopping or alarming and judging the abrasion of the abrasive: comparing the abrasive wear data with the set shutdown and/or alarm critical value and then executing corresponding operation, and when the abrasive wear data is smaller than the shutdown or alarm critical value, executing shutdown or alarm correspondingly; otherwise, continuing the next step;
(3.3) according to IrtAnd (3) adjusting to finish thickness fixing polishing:
respectively driving the real-time load current I of each grinding head main rotation driving motorrtComparing with the designed current and controlling the main transmission mechanism and each grinding unit to execute corresponding instructions: when any grinding head isrt＞IdmaxOr I thereofrt＜IdminWhile, i.e. of the grinding headrtWhen the current exceeds the designed current range, the main conveyor belt correspondingly and respectively decelerates or accelerates by a unit set value; then repeating the operation steps in the third step;
when each grinding head is Irt∈【Idmin，IdmaxJudging whether the whole is balanced and carrying out corresponding adjustment: when the real-time load current I of any grinding head main rotation driving motorrtRelative real-time average load current IavWhen the deviation value exceeds a specified value, namely when the grinding is in an overall unbalanced state, the feeding amount of the corresponding grinding head (except the last grinding head) is reduced or increased by a unit set value; when I isrtIs greater than IavAnd the absolute value of the difference exceeds the specified value, the feed amount of the corresponding grinding head is reduced by a unit set value; on the contrary, when IrtIs less than IavAnd the absolute value of the difference exceeds the specified value, the feeding amount of the corresponding grinding head is increased by a unit set value; when the last grinding head isrtRelative to IavWhen the deviation exceeds a predetermined value, the speed of the main conveyor is adjusted, i.e. when IrtIs greater than IavAnd the absolute value of the difference exceeds the specified value, the belt speed V of the main conveyor belt is measuredbDecelerating by a unit set value; on the contrary, when IrtIs less thanIavAnd the absolute value of the difference exceeds the specified value, the belt speed V of the main conveyor belt is measuredbAnd accelerating by one unit set value.
Repeating the steps in the third step;
when each grinding head is in an integral balanced state and no product is discharged, the main conveyor belt accelerates by a set value; repeating the steps in the third step;
the cycle of the inspection and adjustment, that is, the time period for automatically inspecting and adjusting the cutting parameters set by the computer program, can be set to 100ms to 1000ms according to the production requirements.
The product discharge means that one plate enters to complete all grinding processing, and the product leaves the grinding head of the last grinding unit along with the main conveyor belt.
Step four: the plate follow-up main conveyor belt detects the plate thickness T when the whole grinding process is finished and the product is discharged1When T is1≠T0When the product is unqualified, alarming or stopping the machine for detection; when T is1=T0When the product is qualified, storing relevant process parameters including the feeding height of each grinding head, the plate feeding thickness, the plate discharging thickness, the belt speed of the main conveyor belt and the like at the moment as preset reference values of the corresponding plate to be processed; and repeating the operations of the third step and the fourth step until the production cycle is finished.
In the scheme, the control and implementation process of the fixed-thickness polishing in the step (3.3) is carried out according to the I of each grinding head participating in cutting in real timertThe change of (2) is mainly the speed adjustment of the main conveyor belt, and the feeding of the corresponding grinding headVolume adjustment is achieved in a secondary manner, as shown in FIG. 2 a; according to the utility model discloses, it is preferred to adopt bistrique feed position's adjustment, and the mode of assisting the fast adjustment of main conveyor belt area is realized, as shown in fig. 2b, and is concrete:
in step (3.3) according to IrtControlling the thickness polishing: when any grinding head isrt＞IdmaxOr I thereofrt＜IdminWhen the feed amount of the grinding head (except the last grinding head) is adjusted to be reduced or increased by a unit set value, namely when the I of the feed amount of the grinding head is increasedrt＞IdmaxWhen the feed amount of the grinding head is reduced by a unit set value, when the feed amount of the grinding head is Irt＜IdmaxWhen the grinding head is used, the feeding amount of the grinding head is increased by a unit set value; when the last grinding head is IrtWhen the current exceeds the designed current range, the belt speed of the main conveyor belt is adjusted, namely when the I of the last grinding headrt＞IdmaxOr I thereofrt＜IdminThe main conveyor belt correspondingly decelerates or accelerates by a unit set value. Then repeating the operation steps in the third step;
when each grinding head is Irt∈【Idmin，IdmaxJudging whether integral balance is carried out or not and carrying out corresponding adjustment when I of any grinding headrtRelative to IavWhen the deviation value exceeds a set value, namely when the grinding is in an overall unbalanced state, the grinding is adjusted, and the feeding amount of the grinding head corresponding to the deviation value is preferably adjusted preferentially except the last grinding head; the speed of the main conveyor belt can be correspondingly adjusted.
Thus, in the process of fixed-thickness polishing, the real-time load current I of the main rotary driving motor of each grinding head participating in grinding in real timertFor this reason, the adjustment schemes mainly include two types, that is, the belt speed adjustment priority of the main conveyor belt and the feed amount adjustment priority of each grinding head, and the two schemes can be mutually matched and supplemented. Generally, the reaction speed of the influence of the belt speed adjustment of the main conveyor belt on the magnitude of the load of the grinding heads is faster than the reaction speed of the influence of the lifting and lowering of the grinding heads on the magnitude of the load of the grinding heads.
Meanwhile, a computer program for controlling the above-described cutting apparatus or polishing apparatus or for executing the steps of the control method, and a computer-readable storage medium having the computer program stored thereon are also embodiments of the present invention.
The embodiments of the present invention may be any combination or combination of the technical solutions recited in the claims of the present invention, as long as the combined embodiments do not contradict each other.
Although the present invention has been described with reference to specific embodiments thereof, many changes or modifications may be made without departing from the spirit and scope of the invention, as will be apparent to those skilled in the art based on the present invention, which changes or modifications may be reasonably and appropriately included within the scope of the present invention's contribution to the art, within the scope of the present invention.
Claims (12)
1. A cutting apparatus comprising at least two cutting units, each cutting unit comprising a cutter head main drive motor; it is characterized by also comprising:
a controller comprising a computer memory and a computer processor; the memory has stored therein a computer program;
the detection unit of the real-time load current of the main driving motor of the cutting unit tool bit is respectively connected with the corresponding cutting unit and the controller and is configured to respond to the control acquisition of the processor and feed back the real-time load current I of the main driving motor of the cutting unit tool bit to the controllerrt；
Each cutting unit is connected with the controller and is configured to respond to the control of the processor to realize the real-time load current I of the main cutter head driving motor of the cutting unitrtWithin a specified design current range; the design current value is at a lower limit value IdminAnd an upper limit value IdmaxIn the meantime.
2. The cutting apparatus of claim 1, further comprising:
a conveying mechanism and a main conveying speed detection unit of the conveying mechanism;
the main conveying speed detection unit is respectively connected with the conveying mechanism and the controller and is configured to respond to the control acquisition of the processor and feed back the speed of the conveying mechanism for conveying the blanks processed by the cutting unit to the controller;
the conveying mechanism is connected with the controller and is configured to respond to the control of the processor to adjust the main conveying speed so as to realize real-time load current I of a cutter head main driving motor of each cutting unit participating in cutting in real timertWithin a specified design current range.
3. The cutting apparatus of claim 1, further comprising:
a cutting unit tool bit feed position detection unit which is respectively connected with the tool bit and the controller and is configured to respond to the control acquisition of the processor and feed back the cutting unit tool bit feed position to the controller;
the cutting unit is configured to respond to the control of the processor to adjust the position of each cutting unit cutter head participating in cutting in real time so as to realize the real-time load current I of the cutter head main driving motor of the cutting unitrtWithin a specified design current range.
4. The cutting apparatus of claim 2, further comprising:
a cutting unit tool bit feed position detection unit which is respectively connected with the tool bit and the controller and is configured to respond to the control acquisition of the processor and feed back the cutting unit tool bit feed position to the controller;
the cutting unit is configured to respond to the control of the processor to adjust the position of each cutting unit cutter head participating in cutting in real time so as to realize the real-time load current I of the cutter head main driving motor of the cutting unitrtWithin a specified design current range.
5. The cutting apparatus according to any one of claims 1 to 4,
the cutting unit is configured to realize each real-time load current I in response to the control of the processorrtApproaching real-time average load current Iav；
The real-time average load current IavIs the average of the load currents of all the cutter heads participating in cutting in real time.
6. The cutting apparatus of claim 5,
the cutting unit is configured to realize each real-time load current I in response to the control of the processorrtApproaching the upper limit I of the design currentdmax。
7. The cutting apparatus of any one of claims 1-4, further comprising:
the material or product size detection units are respectively arranged at the feeding port and the discharging port, are respectively connected with the controller and are configured to respond to the control of the processor to respectively detect and feed back the relevant sizes of the feeding blank and the discharging product to the controller;
the cutting units are further configured to effect a reduction in the size of the incoming blank to a desired size of the outgoing product within a predetermined tolerance by at least two of the cutting units in response to control by the processor.
8. The cutting apparatus of any one of claims 1-4, further comprising:
a frame configured to move along one or more rails;
the at least two cutting units are fixed on the framework and are arranged in sequence.
9. The cutting apparatus of claim 2,
the conveying mechanism comprises a main conveying belt.
10. The cutting apparatus according to any one of claims 1 to 4,
the cutting units are configured to effect setting of an initial position of each of the cutting units prior to the feed blank passing a first one of the cutting units in response to control by the processor.
11. The cutting apparatus of any one of claims 1-4, further comprising:
a cutting unit bit wear detection unit respectively connected with the corresponding cutting unit and the controller and configured to collect and feed back wear data of the corresponding bit to the controller in response to control of the processor;
the cutting unit is configured to perform a corresponding operation according to a comparison of the corresponding bit wear data with a predetermined value thereof in response to control of the processor.
12. The cutting apparatus of claim 4, wherein:
the device also comprises a framework, a driving device and a control device, wherein the framework is provided with a swing arm which swings to and fro;
the cutting unit is a grinding unit which is fixed on the swing arm of the framework and is sequentially arranged along the longitudinal direction of the swing arm parallel to the main conveying direction.
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| CN201920196761.7U CN210452192U (en) | 2019-01-08 | 2019-01-08 | Cutting apparatus |
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| CN201920196761.7U CN210452192U (en) | 2019-01-08 | 2019-01-08 | Cutting apparatus |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110405600A (en) * | 2019-01-08 | 2019-11-05 | 贺奇玻璃制造(大连)有限公司 | Cutting apparatus and its control method |
| CN111992692A (en) * | 2020-08-24 | 2020-11-27 | 成都市龙泉通惠实业有限责任公司 | Piston production line monitoring system |
| CN117206994A (en) * | 2023-11-07 | 2023-12-12 | 万向钱潮股份公司 | Device and process for manufacturing precise tapered roller bearing |
-
2019
- 2019-01-08 CN CN201920196761.7U patent/CN210452192U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110405600A (en) * | 2019-01-08 | 2019-11-05 | 贺奇玻璃制造(大连)有限公司 | Cutting apparatus and its control method |
| CN111992692A (en) * | 2020-08-24 | 2020-11-27 | 成都市龙泉通惠实业有限责任公司 | Piston production line monitoring system |
| CN111992692B (en) * | 2020-08-24 | 2022-04-15 | 成都市龙泉通惠实业有限责任公司 | Piston production line monitoring system |
| CN117206994A (en) * | 2023-11-07 | 2023-12-12 | 万向钱潮股份公司 | Device and process for manufacturing precise tapered roller bearing |
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