CN113198953B - Automatic string head screwing system and method - Google Patents
Automatic string head screwing system and method Download PDFInfo
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- CN113198953B CN113198953B CN202110351231.7A CN202110351231A CN113198953B CN 113198953 B CN113198953 B CN 113198953B CN 202110351231 A CN202110351231 A CN 202110351231A CN 113198953 B CN113198953 B CN 113198953B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21F—WORKING OR PROCESSING OF METAL WIRE
- B21F45/00—Wire-working in the manufacture of other particular articles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C51/00—Measuring, gauging, indicating, counting, or marking devices specially adapted for use in the production or manipulation of material in accordance with subclasses B21B - B21F
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- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10D—STRINGED MUSICAL INSTRUMENTS; WIND MUSICAL INSTRUMENTS; ACCORDIONS OR CONCERTINAS; PERCUSSION MUSICAL INSTRUMENTS; AEOLIAN HARPS; SINGING-FLAME MUSICAL INSTRUMENTS; MUSICAL INSTRUMENTS NOT OTHERWISE PROVIDED FOR
- G10D3/00—Details of, or accessories for, stringed musical instruments, e.g. slide-bars
- G10D3/10—Strings
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Abstract
The present disclosure relates to a string automatic head-twisting system and method, the system comprising: the head screwing device comprises an input unit, a motion control unit, a processor and a head screwing execution system, wherein the input unit is in communication connection with the processor, the processor is connected with the motion control unit, and the motion control unit is connected with the head screwing execution system; the input unit is used for inputting parameter information of a standby wire core to the processor; the processor is provided with head screwing schemes corresponding to different types of core raw materials and is used for selecting the corresponding head screwing scheme according to the parameter information of the core to be head screwed, which is input by the input unit, and sending a control instruction to the motion control unit; the motion control unit is used for controlling the head screwing execution system to screw the wire core to the head according to the control instruction so as to obtain a finished wire core, and compared with manual head screwing, the manual cost can be effectively reduced, and the production efficiency is improved.
Description
Technical Field
The disclosure relates to the technical field of strings, in particular to an automatic string head screwing system and method.
Background
With the development of socioeconomic and scientific technology, stringed and stringed instrument products, such as guitars, bass, koto, etc., are widely used in human life.
The string is in production and processing process, need carry out the head to the one end of string and twist fixed operation, among the prior art, generally all is through semi-automatization and combine artifical the head of accomplishing the string to twist processing, and its working method has the problem that the cost of labor is high, production efficiency is low.
Disclosure of Invention
The invention aims to provide an automatic string head screwing system and method, which are used for solving the problems of high labor cost and low production efficiency in the process of screwing a string head in the prior art.
In order to achieve the above object, a first aspect of the present disclosure provides a string automatic head-screwing system, comprising:
the head screwing device comprises an input unit, a motion control unit, a processor and a head screwing execution system, wherein the input unit is in communication connection with the processor, the processor is connected with the motion control unit, and the motion control unit is connected with the head screwing execution system;
the input unit is used for inputting parameter information of a wire core to be twisted to the processor;
the processor is provided with head screwing schemes corresponding to different types of core raw materials and is used for selecting the corresponding head screwing scheme according to the parameter information of the core to be head screwed, which is input by the input unit, and sending a control instruction to the motion control unit according to the selected head screwing scheme;
and the motion control unit is used for controlling the head screwing execution system to screw the wire core to be screwed according to the control instruction so as to obtain a finished product wire core.
Optionally, the head twisting execution system comprises a straightening system and a string twisting system, the straightening system comprises a second clamping mechanism and a first clamping mechanism which are sequentially arranged along the conveying direction of the wire core, the first clamping mechanism and the second clamping mechanism can move relatively, and the first clamping mechanism and the second clamping mechanism are used for clamping the wire core at intervals so as to straighten the wire core;
the string twisting system comprises a crossed looping module and a string twisting module, the crossed looping module and the string twisting module are respectively arranged in the middle of an angular bisector of an included angle formed by clamping strings after the first clamping mechanism and the second clamping mechanism are crossed and looped, the crossed looping module is used for bending and crossing the wire cores around a string hanging nail in the middle of the angular bisector, and the string twisting module is used for head twisting the tail end parts of the bent and crossed wire cores;
the motion control unit is used for controlling the string twisting module to perform head twisting on the bent and crossed wire cores at the middle position of the angular bisector according to the control instruction under the condition that the processor sends the control instruction according to the head twisting number parameter and the head twisting number parameter, and the head twisting scheme comprises the head twisting number parameter and the head twisting number parameter.
Optionally, the head-screwing execution system further comprises a tail-removing cutting module and a fixed-length cutting module, wherein the tail-removing cutting module is used for cutting the head-screwed end head after the head screwing of the tail end of the wire core is completed; the fixed-length cutting module is used for cutting the length of the wire core to obtain a finished product wire core comprising a head-screwed part;
the motion control unit is used for controlling the tail-removing cutting module to cut the head-twisted end head according to the control instruction under the condition of receiving the control instruction sent by the processor;
and the motion control unit is used for controlling the fixed-length cutting module to cut the length of the wire core according to the control instruction under the condition of receiving the control instruction sent by the processor, so as to obtain a finished product wire core comprising the head screwing part.
Optionally, the automatic head screwing execution further comprises an automatic counting module, and the automatic counting module is used for counting the number of the wire cores screwed by the string automatic head screwing system.
Optionally, the head screwing scheme includes a head screwing quantity parameter, and the system further includes an alarm module;
the alarm module is used for:
alarming when the excess material of the wire core is insufficient;
or, an alarm is given when the head screwing execution system is in failure.
Optionally, the input unit includes a bluetooth micrometer, and the parameter information includes a wire core diameter of the to-be-threaded-core, which is input to the processor by the bluetooth micrometer.
In a second aspect of the present disclosure, there is provided an automatic string head-screwing method comprising:
inputting head twisting schemes corresponding to different types of core raw materials into a processor in advance;
measuring the parameter information of the to-be-twisted wire core, and transmitting the parameter information of the wire core to the processor;
after receiving the parameter information of the wire core, the processor compares the parameter information with a pre-input head twisting scheme to find out a head twisting scheme matched with the parameter information of the wire core;
the processor sends a control instruction to a motion control unit according to the head screwing scheme;
and the motion control unit controls a head screwing execution system to screw the wire core according to the control instruction so as to obtain a finished product wire core.
Optionally, the head twisting execution system comprises a tail removing and cutting module, a fixed length cutting module, a straightening system and a string twisting system, wherein the straightening system comprises a first clamping mechanism and a second clamping mechanism, and the string twisting system comprises a crossed looping module, a string twisting module and a string hanging nail cylinder;
the motion control unit according to the execution system is twisted to control command control head is right the sinle silk carries out the head and twists to obtain finished product sinle silk, include:
the motion control unit controls the head screwing execution system to execute the following operations according to the control instruction:
the first clamping mechanism and the second clamping mechanism are clamped on the wire core at intervals to straighten the wire core;
the first clamping mechanism is separated from the wire core and moves to a head screwing position, and the first clamping mechanism swings to a specific angle and then clamps the tail of the wire core;
the head screwing movement servo in the head screwing execution system advances to a head screwing position, and meanwhile, the second clamping mechanism advances to a clamping position and clamps the wire core;
after the string hanging nail is ejected out under the action of the string hanging nail cylinder, the cross looping module moves towards the wire core and tightly presses the tail part of the wire core and encircles the string hanging nail to perform bending and crossing on the wire core;
the first clamping mechanism is continuously clamped at the tail part of the wire core;
the crossed looping module returns to the initial position;
the string twisting module performs head twisting on the wire core along the axial direction of the wire core, wherein the head twisting scheme comprises a head twisting number parameter and a head twisting frequency parameter;
the tail-removing cutting module performs tail-removing cutting on the twisted end of the thread core head;
and the fixed-length cutting module cuts the length of the wire core to obtain a finished product wire core comprising a head-screwing part.
Optionally, the parameter information includes a wire core diameter of the to-be-threaded-core, which is measured by the bluetooth micrometer and input to the processor by the bluetooth micrometer.
Optionally, the method further comprises:
counting the number of the wire cores which are subjected to head screwing by the head screwing execution system, wherein the head screwing scheme comprises head screwing number parameters, and controlling an alarm module to alarm under the condition of detecting that the excess material of the wire cores is insufficient;
or, the alarm module is controlled to give an alarm when the head screwing execution system is detected to be in fault.
Through the technical scheme, the parameter information of the to-be-head wire core is input into the processor through the input unit, the processor can select the head twisting scheme corresponding to the parameter information according to the parameter information and send a control instruction to the motion control unit, and the motion control unit control head twisting execution system runs the head twisting scheme to perform head twisting on the to-be-head wire core, so that finished product wire cores are obtained, and compared with manual head twisting, the labor cost can be effectively reduced and the production efficiency is improved.
And, compare the manual work to the sinle silk carry out the head and twist, the automatic head of string system of twisting that this disclosure provided still has the head and twists the precision height, advantage that the sinle silk uniformity is high.
Additional features and advantages of the disclosure will be set forth in the detailed description which follows.
Drawings
The accompanying drawings, which are included to provide a further understanding of the disclosure and are incorporated in and constitute a part of this specification, illustrate embodiments of the disclosure and together with the description serve to explain the disclosure without limiting the disclosure. In the drawings:
fig. 1 is a schematic flow chart of an automatic string head screwing method provided by an embodiment of the present disclosure;
fig. 2 is a schematic front view of a wire core provided by an embodiment of the present disclosure, wherein a head threading portion is shown;
fig. 3 is a schematic structural view of an automatic string head screwing system provided by the embodiment of the present disclosure;
fig. 4 is a schematic structural diagram of an electronic device provided in an embodiment of the present disclosure.
Detailed Description
The following detailed description of the embodiments of the disclosure refers to the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating the present disclosure, are given by way of illustration and explanation only, not limitation.
The disclosed embodiment provides an automatic string head screwing system 10, as shown in fig. 3, comprising:
the head screwing device comprises an input unit 101, a motion control unit 103, a processor 102 and a head screwing execution system 104, wherein the input unit 101 is connected with the processor 102 in a communication mode, the processor 102 is connected with the motion control unit 103, and the motion control unit 103 is connected with the head screwing execution system 104;
the input unit 101 is configured to input parameter information of the standby twisting core 3 to the processor 102;
the processor 102 is configured with head screwing schemes corresponding to different types of core raw materials, and is configured to select a corresponding head screwing scheme according to the parameter information of the to-be-head-screwed core 3 input by the input unit 101, and send a control instruction to the motion control unit 103 according to the selected head screwing scheme;
the motion control unit 103 is configured to control the head screwing execution system 104 to screw the to-be-head screwed core 3 according to the control instruction, so as to obtain a finished product core 3.
Through the technical scheme, the parameter information of the to-be-head wire core is input into the processor through the input unit, the processor can select the head twisting scheme corresponding to the parameter information according to the parameter information and send a control instruction to the motion control unit, and the motion control unit control head twisting execution system runs the head twisting scheme to perform head twisting on the to-be-head wire core, so that finished product wire cores are obtained, and compared with manual head twisting, the labor cost can be effectively reduced and the production efficiency is improved.
And, compare manual work to the sinle silk 3 carry out the head and twist, the automatic head of string system 10 that twists that this disclosure provided still has the head and twist the precision height, the sinle silk 3 advantage that the uniformity is high.
Here, it should be noted that the thread-winding scheme configured in the processor 102 may be that before the thread core 3 is subjected to the thread-winding operation, thread-winding schemes corresponding to different types of core raw materials are edited into the processor 102 by a human, and in the process of editing the thread-winding scheme, an operator may perform a custom adjustment on the number of turns of the thread winding, the number of turns of the winding, and the like in the thread-winding process, so as to obtain a product meeting the user's requirements.
In addition, after the input unit 101 inputs the parameter information of the standby threading core 3 into the processor 102, when the processor 102 cannot find out the threading plan matched with the standby threading core 3 from the configured threading plans, the operator may also add a new threading plan matched with the standby threading core 3 into the processor 102 by editing the processor 102, so as to thread the standby threading core 3.
In an embodiment provided by the present disclosure, the processor 102 may be a programmable processor 102 of MELSEC iQ-R series, a basic operation processing speed (LD instruction) of the programmable processor 102 of the MELSEC iQ-R series may reach 0.98 nsec, a system bus communication speed is 40 bits of a conventional product, and of course, other processors 102 meeting the requirements may also be used, which is not limited by the present disclosure.
In the present disclosure, the motion control unit 103 may employ a mitsubishi RD77MS8 simple motion module, which is connected to a servo amplifier supporting SSCNET iii/H or CC-Link IE Field network, and can perform various motion controls such as positioning control, advanced synchronization control, cam control, speed/torque control, and the like, by simple parameter setting and by a sequential control program start.
The input unit 101 may further include a touch screen, and an operator may directly edit and update a head-screwing scheme configured in the processor 102 on the touch screen, in an embodiment provided by the present disclosure, the touch screen is a mitsubishi GOT2000 series color image quality touch screen, a high-level model with a multi-touch/gesture function is mounted, and data is transmitted to a CPU module in the programmable processor 102 through an ethernet switch by a switch for integration processing. In addition, production operation information can be displayed on the touch screen, such as operation speed, fault record and other information, raw material information input, parameter setting, operation authority, user login information acquisition and the like; in a non-automatic operation state, the programmable processor 102 also serves as an auxiliary operation device, that is, the operation state of the device is controlled by configuration buttons on the touch screen, and when the programmable processor 102 fails, the programmable processor can write back (restore) the program in batches.
Optionally, the head twisting execution system 104 comprises a straightening system and a string twisting system, the straightening system comprises a second clamping mechanism and a first clamping mechanism which are sequentially arranged along the conveying direction of the wire core 3, the first clamping mechanism and the second clamping mechanism can move relatively, and the first clamping mechanism and the second clamping mechanism are used for clamping on the wire core 3 at intervals so as to straighten the wire core 3;
the string twisting system comprises a crossed looping module and a string twisting module, the crossed looping module and the string twisting module are respectively arranged in the middle of an angular bisector of an included angle formed by clamping strings after the first clamping mechanism and the second clamping mechanism are crossed and looped, the crossed looping module is used for bending and crossing the wire cores 3 around string hanging nails in the middle of the angular bisector, and the string twisting module is used for head twisting the tail ends of the bent and crossed wire cores 3;
the motion control unit 103 is configured to, under the condition that the processor 102 sends a control instruction according to the first twisting number parameter and the first twisting number parameter, control the twisting module to twist the bent and crossed wire core 3 at the middle position of the angular bisector according to the control instruction, where the twisting scheme includes the first twisting number parameter and the first twisting number parameter.
In the disclosure, the straightening system comprises a second clamping mechanism and a first clamping mechanism, the first clamping mechanism comprises a first telescopic cylinder, a first moving servo, a first finger clamp and a first swing angle driving servo, wherein the first moving servo is an X-direction moving servo (X-direction is defined as the length direction along the wire core 3), the second clamping mechanism comprises a second finger clamp and a second telescopic cylinder, in the process of processing the wire core 103, the wire core raw material is in a winding state, therefore, the first step of processing the wire core raw material is to straighten the wire core raw material through the first clamping mechanism and the second clamping mechanism, wherein the first clamping mechanism fixedly clamps the end of the wire core raw material, the second clamping mechanism is clamped in the middle of the wire core raw material in a sliding manner, the second clamping mechanism keeps a fixed state, the first moving servo drives the first clamping mechanism to pull the wire core raw material to move towards a specific direction, and the wire core 3 between the first clamping mechanism and the second clamping mechanism is straightened along with the movement of the first clamping mechanism.
The string twisting system comprises a cross looping module, a string twisting module and a string hanging nail cylinder, wherein the string twisting system can comprise a cross looping lifting cylinder for driving the cross looping module to lift, a cross looping rotating cylinder for driving the cross looping module to rotate, a head twisting moving servo for driving the string twisting module to move and a head twisting rotary servo for driving the string twisting module to rotate, after the core 3 is straightened, the first moving servo drives a first clamping mechanism to loosen the core 3 and return to a head twisting position, the first swing angle drives the first clamping mechanism to adjust the swing angle and clamp the tail of a string, the head twisting moving servo drives the head twisting module to advance to the head twisting position, meanwhile, a second telescopic cylinder drives a second clamping mechanism to extend out, when the first clamping mechanism loosens the core 3, the second clamping mechanism advances to a clamping position and clamps the string, then, the string hanging nail cylinder acts on the string hanging nail and pushes out, the cross looping lifting cylinder drives the cross looping lifting cylinder to drive the wire looping module to descend and press the tail end of the core 3, then the cross looping module to rotate and return to the original position, and then the cross looping lifting cylinder drives the string lifting cylinder to rotate. As shown in fig. 2, after the cross looping step is completed, the head screwing movement servo moves to the head screwing position, the screwing rotation servo drives the string screwing module to perform first head screwing on the head screwing part 30, the head screwing movement servo linearly retreats, after the first head screwing is completed, the head screwing movement servo and the head screwing rotation servo keep in situ, and after the swing angle servo drives the first clamping mechanism to perform angle adjustment, second head screwing is performed.
In an embodiment provided by the present disclosure, the angle of the tail end of the crossed looping rotary cylinder driving the wire core 3 to loop is 275 °.
The number of times of head screwing and the number of times of head screwing of the wire core 3 are operated according to the set number of times of head screwing parameter and the number of times of head screwing parameter in the head screwing scheme, and in addition, a user can perform custom adjustment on the number of times of head screwing parameter and the number of times of head screwing parameter in the adjustment head screwing scheme, so that a wire core finished product meeting the requirements of the user is obtained.
In the present disclosure, the servo driver used in the above-mentioned twisting system may be selected from the MR-J4-B-RJ series, the servo driver supports SSCNET III/H, and a fully synchronous system using high-speed serial communication with a period of 0.22ms can be constructed between the processor 102 and the amplifier.
The servo motor can be an HG series rotating motor, supports an MR-J4 series servo driver, and is provided with a high-resolution absolute position encoder.
Besides the main module, the system also comprises a main substrate and a blind cover plate used by the programmable processor; an electromagnetic brake resistor and a battery used by the servo driver; encoder lines, power lines, optical fibers; a contactor; a circuit breaker; a relay; a servo transformer; buttons, indicator lights, and the like, collectively form the automatic string-head twisting system 10.
Optionally, as shown in fig. 2, the head-screwing execution system 104 further includes a tail-removing cutting module and a fixed-length cutting module, and the tail-removing cutting module is configured to cut the head-screwed end head after the head screwing of the tail end of the wire core 3 is completed; the fixed-length cutting module is used for cutting the length of the wire core 3 to obtain a finished product wire core 3 comprising a head screwing part 30;
the motion control unit 103 is configured to, when receiving a control instruction sent by the processor 102, control the end-cutting module to cut the head-twisted end 35 according to the control instruction.
Optionally, the head-up scheme may include the head-end cutting parameters; the motion control unit 103 is configured to, upon receiving a control instruction sent by the processor 102 according to the head cropping parameter, control the tail-removing cropping module to crop the head-twisted head 35 according to the control instruction.
The motion control unit 103 is configured to, upon receiving a control instruction sent by the processor 102, control the fixed-length cutting module to cut the length of the wire core 3 according to the control instruction, so as to obtain a finished wire core 3 including the head-screwing part 30.
Optionally, the thread-threading solution includes the length requirement parameter, the length requirement parameter is used for representing the length of the finished product core 3, and the motion control unit 103 is configured to, on the condition that a control instruction sent by the processor 102 according to the length requirement parameter is received, control the fixed-length cutting module to cut the length of the core 3 according to the control instruction, so as to obtain the finished product core 3 including the thread-threading part 30.
Like this, to the sinle silk 3 of same kind of specification, through the in-process of cutting out of above-mentioned scheme, can be according to above-mentioned length demand parameter with its cutting out long sinle silk 3, stub core 3 or cut out fixed length sinle silk 3 all the time.
Optionally, the screwing execution may further include an automatic counting module for counting the number of the wire cores 3 screwed by the string automatic screwing system 10.
Optionally, the head screwing scheme may include a head screwing quantity parameter, and the system further includes an alarm module;
the alarm module is used for:
alarming when the excess material of the wire core 3 is insufficient;
or, in the event of a failure of the screw head actuation system 104.
The working condition of the wire core 3 can be timely transmitted to an operator through the alarm module, and for the first alarm condition, the operator can shut down the string automatic head screwing system 10 or perform the next round of processing and other operations; if the alarm is that the excess material of the wire core 3 is insufficient, the operator can add the wire core 3.
Meanwhile, the alarm module can realize real-time monitoring of the automatic string screwing system, and when the screwing execution system 104 breaks down, operators can overhaul all modules in the screwing execution system 104 conveniently in the first time according to the alarm.
For the alarm principle of the alarm module, the running state of each module in the head-screwing execution system 104 may be detected by setting the completion time as the in-place detection method by the timer of the programmable processor 102, for example, within the completion time of the timer, a certain designated module does not reach the set position, the processor 102 sends an alarm instruction to the alarm module, and the alarm module gives an alarm, and optionally, if the space of the device body allows, the running state may be more accurately detected by configuring a sensor.
Optionally, in order to further facilitate the worker to repair the failed module, the processor 102 may also display the failed module on the touch screen while generating the alarm instruction to the alarm module.
In an embodiment provided by the present disclosure, the input unit 101 includes a bluetooth micrometer, and the parameter information includes a diameter of the wire core 3 of the standby twisting wire core 3, which is input to the processor 102 by the bluetooth micrometer.
The Bluetooth micrometer is connected with the processor 102 in a wireless mode, measured data can be directly transmitted to the serial communication module of the programmable processor 102 by the micrometer in a wireless mode to be stored, the processor 102 compares the diameter parameter of the measured core wire with the corresponding diameter parameter in the preset head screwing scheme, and corresponding control instructions are issued to the head screwing execution system 104.
In other embodiments provided by the present disclosure, the diameter of the core wire 3 may also be measured by a micrometer, after the measurement is completed, the diameter parameter of the core wire 3 is manually input through a touch screen and transmitted to the serial communication module of the programmable processor 102 for storage, the processor 102 compares the measured diameter parameter of the core wire with a corresponding diameter parameter in a preset screwing scheme, and issues a corresponding control instruction to the screwing execution system 104.
Fig. 1 is a second aspect of the present disclosure to provide a string automatic head-screwing method, which can be used for operating in the string automatic head-screwing system provided above, and the method comprises:
s201, inputting head screwing schemes corresponding to different types of raw materials of the wire core 3 into the processor 102 in advance;
s202, measuring the parameter information of the to-be-head twisted wire core 3, and transmitting the parameter information of the wire core 3 to the processor 102;
s203, after receiving the parameter information of the wire core 3, the processor 102 compares the parameter information with a pre-input head screwing scheme to find out a head screwing scheme matched with the parameter information of the wire core 3;
s204, the processor 102 sends a control instruction to the motion control unit 103 according to the screwing scheme;
and S205, the motion control unit 103 controls the head screwing execution system 104 to screw the wire core 3 according to the control instruction, so as to obtain a finished product wire core 3.
Optionally, the head twisting execution system 104 includes a tail trimming module, a fixed-length trimming module, a straightening system and a string twisting system, the straightening system includes a first clamping mechanism and a second clamping mechanism, and the string twisting system includes a cross looping module, a string twisting module and a string hanging nail cylinder;
the motion control unit 103 controls the head twisting execution system 104 to twist the wire core 3 according to the control command to obtain a finished wire core 3, and the method comprises the following steps:
the motion control unit 103 controls the head screwing execution system 104 to execute the following operations according to the control instruction:
the first clamping mechanism and the second clamping mechanism are clamped on the wire core 3 at intervals to straighten the wire core 3;
the first clamping mechanism is separated from the wire core 3 and moves to a head screwing position, and the first clamping mechanism swings to a specific angle and then clamps the tail part of the wire core 3; here, the angle by which the first gripper mechanism swings is servo-controlled by a swing angle.
The head screwing movement servo in the head screwing execution system advances to a head screwing position, and meanwhile, the second clamping mechanism advances to a clamping position and clamps the wire core 3;
after the string hanging nail is ejected out under the action of the string hanging nail cylinder, the crossed looping module moves towards a wire core 3 and is tightly pressed at the tail part of the wire core 3, and the wire core 3 is bent and crossed around the string hanging nail;
the first clamping mechanism is continuously clamped at the tail part of the wire core 3;
the crossed looping module returns to the initial position;
the twisting module performs head twisting on the wire core 3 along the axial direction of the wire core 3, wherein the head twisting scheme comprises a head twisting circle number parameter and a head twisting frequency parameter;
the tail-removing cutting module performs tail-removing cutting on the end head 35 of the wire core after the 3 ends are twisted, wherein the end-twisting scheme can comprise end head cutting parameters;
the length cutting module cuts the length of the wire core 3 to obtain a finished wire core 3 including a head-twisted portion 30.
Optionally, the heading scheme may include a length requirement parameter for characterizing the length of the finished wire core 3.
Specifically, in the present disclosure, the straightening system includes a second clamping mechanism and a first clamping mechanism, the first clamping mechanism includes a first telescopic cylinder and a first moving servo, wherein the first moving servo is an X-direction moving servo (the X-direction is defined as a length direction along the core), a first finger clamp and a first swing angle driving servo, the second clamping mechanism includes a second finger clamp and a second telescopic cylinder, in the process of processing the core 103, the core raw material is in a winding state, therefore, the first step of processing the core raw material is to straighten the core raw material by the first finger clamp and the second finger clamp, wherein the first finger clamp fixedly clamps an end of the core raw material, the second finger clamp slidably clamps the middle portion of the core raw material, and then the second finger clamp maintains a fixed state, the first moving servo drives the first finger clamp to pull the core raw material to move towards a specific direction, and as the first finger clamp moves, the core 3 between the first finger clamp and the second finger clamp is straightened.
The string twisting system comprises a crossed looping module and a string twisting module, wherein the string twisting system can comprise a crossed looping lifting cylinder for driving the crossed looping module to lift, a crossed looping rotating cylinder for driving the crossed looping module to rotate, a head twisting moving servo for driving the string twisting module to move, a head twisting rotary servo for driving the string twisting module to rotate and a string hanging nail cylinder, after the core 3 is straightened, the first moving servo drives a first clamping mechanism to loosen the core 3 and return to a head twisting position, the first swing angle driving servo drives a first clamping mechanism to adjust a swing angle and clamp the tail of a string, the head twisting moving servo drives the head twisting module to advance to the head twisting position, the crossed looping lifting cylinder descends to press the string, the string hanging nail is in a retracting state, meanwhile, a second telescopic cylinder drives a second clamping mechanism to extend out, the second clamping mechanism advances to a clamping position and clamps the string while the core 3 is loosened by the first clamping mechanism, then the string hanging nail cylinder acts on the string hanging nail lifting cylinder, the crossed looping lifting cylinder drives the crossed looping lifting cylinder to drive the crossed looping module to descend, the tail of the wire pressing module to drive the tail of the crossed looping module to return to the tail end of the crossed rotating cylinder, and drive the crossed end of the wire pressing module to lift, and then the tail of the crossed looping module to lift the tail end of the wire, and lift cylinder, and lift the wire. As shown in fig. 2, after the cross looping step is completed, the head screwing rotary servo drives the string screwing module to perform first head screwing on the head screwing part 30, the head screwing movement servo linearly retreats, after the first head screwing is completed, the head screwing movement servo and the head screwing rotary servo keep in place, and after the swing angle servo drives the first clamping mechanism to perform angle adjustment, the second head screwing is performed.
And after the wire core 3 is screwed, respectively cutting the end and the length of the wire core 3 according to the end cutting parameter and the length demand parameter set in the head screwing scheme, so as to obtain the finished product wire core 3.
Optionally, the parameter information includes the diameter of the wire core 3 of the standby screwing wire core 3, which is measured by the bluetooth micrometer and input by the bluetooth micrometer to the processor 102.
Optionally, the method further comprises:
counting the number of the wire cores 3 which are subjected to head screwing by the head screwing execution system 104, wherein the head screwing scheme comprises head screwing number parameters, and controlling an alarm module to alarm when detecting that the excess material of the wire cores 3 is insufficient;
or, the alarm module is controlled to alarm in the case of detecting the failure of the head screwing execution system 104.
When the counting number reaches the head screwing number parameter, a signal lamp in the head screwing execution system flickers, and relevant information of machining completion is displayed on the touch screen.
The specific manner in which the various modules in the above-described method embodiments perform operations has been described in detail in relation to the embodiments of the system and will not be described in detail here.
In one possible implementation, the processor and the input unit in the automatic string head screwing system may be integrated in the same electronic device, and fig. 4 is a block diagram of one such electronic device shown according to an exemplary embodiment. As shown in fig. 4, the electronic device 50 may include: a processor 102, a memory 502, an input unit 503.
The processor 102 is configured to control the overall operation of the electronic device 50, so as to complete all or part of the steps of the control method of the system. The memory 502 is used to store various types of data to support operation at the electronic device 50, such data can include, for example, instructions for any application or method operating on the electronic device 50 and application-related data. The Memory 502 may be implemented by any type of volatile or non-volatile Memory device or combination thereof, such as Static Random Access Memory (SRAM), electrically Erasable Programmable Read-Only Memory (EEPROM), erasable Programmable Read-Only Memory (EPROM), programmable Read-Only Memory (PROM), or Read-Only Memory (ROM).
In an exemplary embodiment, the electronic Device 50 may be implemented by one or more Application Specific Integrated Circuits (ASICs), digital Signal Processors (DSPs), digital Signal Processing Devices (DSPDs), programmable Logic Devices (PLDs), field Programmable Gate Arrays (FPGAs), controllers, microcontrollers, microprocessors, or other electronic components for performing the above-described methods.
The preferred embodiments of the present disclosure are described in detail with reference to the accompanying drawings, however, the present disclosure is not limited to the specific details of the above embodiments, and various simple modifications may be made to the technical solution of the present disclosure within the technical idea of the present disclosure, and these simple modifications all belong to the protection scope of the present disclosure.
It should be noted that, in the foregoing embodiments, various features described in the above embodiments may be combined in any suitable manner, and in order to avoid unnecessary repetition, various combinations that are possible in the present disclosure are not described again.
In addition, any combination of various embodiments of the present disclosure may be made, and the same should be considered as the disclosure of the present disclosure, as long as it does not depart from the spirit of the present disclosure.
Claims (7)
1. An automatic string wrenching system, characterized in that it comprises:
the head screwing device comprises an input unit, a motion control unit, a processor and a head screwing execution system, wherein the input unit is in communication connection with the processor, the processor is connected with the motion control unit, and the motion control unit is connected with the head screwing execution system;
the input unit is used for inputting parameter information of a wire core to be twisted to the processor;
the processor is provided with head screwing schemes corresponding to different types of core raw materials and is used for selecting the corresponding head screwing scheme according to the parameter information of the core to be head screwed, which is input by the input unit, and sending a control instruction to the motion control unit according to the selected head screwing scheme; the input unit also comprises a touch screen used for editing and updating the head screwing scheme configured in the processor;
the motion control unit is used for controlling the head screwing execution system to screw the wire core to be screwed according to the control instruction so as to obtain a finished wire core;
the head twisting execution system comprises a straightening system and a string twisting system, the straightening system comprises a second clamping mechanism and a first clamping mechanism which are sequentially arranged along the conveying direction of the wire core, the first clamping mechanism and the second clamping mechanism can move relatively, and the first clamping mechanism and the second clamping mechanism are used for clamping the wire core at intervals so as to straighten the wire core;
the string twisting system comprises a crossed looping module and a string twisting module, the crossed looping module and the string twisting module are respectively arranged in the middle of an angular bisector of an included angle formed by clamping strings after the first clamping mechanism and the second clamping mechanism are crossed and looped, the crossed looping module is used for bending and crossing the wire cores around a string hanging nail in the middle of the angular bisector, and the string twisting module is used for head twisting the tail end parts of the bent and crossed wire cores;
the string twisting system comprises a crossed looping rotary cylinder for driving a crossed looping module to rotate, the crossed looping rotary cylinder drives the crossed looping module to rotate and drives the tail end of the wire core to rotate to complete looping, and the angle of the tail end of the wire core driven by the crossed looping rotary cylinder to loop is 275 degrees;
the motion control unit is used for controlling the twisting module to perform head twisting on the wire core after bending and crossing at the middle position of the angular bisector according to a control instruction sent by the processor according to the head twisting number parameter and the head twisting number parameter, and the head twisting scheme comprises the head twisting number parameter and the head twisting number parameter;
the head twisting execution system further comprises a tail removing and cutting module, the tail removing and cutting module is used for cutting the head twisted end after head twisting is finished on the tail end of the wire core, and the motion control unit is used for controlling the tail removing and cutting module to cut the head twisted end according to the control instruction under the condition that the control instruction sent by the processor is received;
the input unit comprises a Bluetooth micrometer, and the parameter information comprises the wire core diameter of the wire core to be twisted by the head, which is input to the processor by the Bluetooth micrometer.
2. The system of claim 1, wherein the thread-up execution system further comprises a cut-to-length module; the fixed-length cutting module is used for cutting the length of the wire core to obtain a finished product wire core comprising a head-screwed part;
and the motion control unit is used for controlling the fixed-length cutting module to cut the length of the wire core according to the control instruction under the condition of receiving the control instruction sent by the processor, so as to obtain a finished product wire core comprising the head screwing part.
3. The system of claim 1 or 2, wherein the threading execution further comprises an automatic counting module for counting the number of thread cores threaded by the string automatic threading system.
4. The system of claim 3, wherein the threading plan includes a threading quantity parameter, the system further comprising an alarm module;
the alarm module is used for:
alarming when the excess material of the wire core is insufficient;
or, an alarm is given when the head screwing execution system is in failure.
5. An automatic string head-screwing method, characterized by comprising:
inputting head twisting schemes corresponding to different types of core raw materials into a processor in advance;
measuring the parameter information of the to-be-twisted wire core, and transmitting the parameter information of the wire core to the processor;
after receiving the parameter information of the wire core, the processor compares the parameter information with a pre-input head twisting scheme to find out a head twisting scheme matched with the parameter information of the wire core;
the processor sends a control instruction to a motion control unit according to the head screwing scheme;
the motion control unit controls a head screwing execution system to screw the wire core according to the control instruction so as to obtain a finished wire core;
the head twisting execution system comprises a tail removing and cutting module, a straightening system and a string twisting system, the straightening system comprises a first clamping mechanism and a second clamping mechanism, and the string twisting system comprises a crossed looping module, a string twisting module and a string hanging nail cylinder;
the motion control unit according to the execution system is twisted to control command control head is right the sinle silk carries out the head and twists to obtain finished product sinle silk, include:
the motion control unit controls the head screwing execution system to execute the following operations according to the control command:
the first clamping mechanism and the second clamping mechanism are clamped on the wire core at intervals to straighten the wire core;
the first clamping mechanism is separated from the wire core and moves to a head screwing position, and the first clamping mechanism swings to a specific angle and then clamps the tail of the wire core;
the head screwing movement servo in the head screwing execution system advances to a head screwing position, and meanwhile, the second clamping mechanism advances to a clamping position and clamps the wire core;
after the string hanging nail is ejected out under the action of the string hanging nail cylinder, the cross looping module moves towards the wire core and tightly presses the tail part of the wire core and encircles the string hanging nail to perform bending and crossing on the wire core; the looping angle of the tail end of the wire core is 275 degrees;
the first clamping mechanism is continuously clamped at the tail part of the wire core;
the crossed looping module returns to the initial position;
the string twisting module performs head twisting on the wire core along the axial direction of the wire core, wherein the head twisting scheme comprises a head twisting number parameter and a head twisting frequency parameter;
the tail-removing cutting module performs tail-removing cutting on the twisted end of the thread core head;
the parameter information comprises the wire core diameter of the wire core to be twisted by the head, which is measured by the Bluetooth micrometer and input to the processor.
6. The method of claim 5, wherein the thread-up execution system comprises a cut-to-length module,
And the fixed-length cutting module is used for cutting the length of the wire core to obtain a finished product wire core comprising a head screwing part.
7. The method of claim 5, further comprising:
counting the number of the wire cores which are subjected to head screwing by the head screwing execution system, wherein the head screwing scheme comprises head screwing number parameters, and controlling an alarm module to alarm under the condition of detecting that the excess material of the wire cores is insufficient;
or controlling the alarm module to alarm when the head screwing execution system is detected to be out of order.
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| CN202110351231.7A CN113198953B (en) | 2021-03-31 | 2021-03-31 | Automatic string head screwing system and method |
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| CN202110351231.7A CN113198953B (en) | 2021-03-31 | 2021-03-31 | Automatic string head screwing system and method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JPH0910880A (en) * | 1995-06-23 | 1997-01-14 | Yasuoka:Kk | Wire binding device |
| CN101615827B (en) * | 2009-07-24 | 2011-05-18 | 深圳市双环全新机电股份有限公司 | Automatic winding machine |
| CN206628254U (en) * | 2017-03-23 | 2017-11-10 | 广州市罗曼士乐器制造有限公司 | Full-automatic string pearl head twists pearl machine |
| EP3830818A1 (en) * | 2018-10-17 | 2021-06-09 | Larsen Strings A/S | Method and apparatus for artificial playing-in a musical instrument string and method and apparatus for producing a musical instrument string |
| CN211161660U (en) * | 2019-12-14 | 2020-08-04 | 陈思敏 | Full-automatic head twisting machine for strings |
| CN212061836U (en) * | 2020-03-30 | 2020-12-01 | 高强 | Full-automatic string bead beating machine |
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