CN112522845A - Intelligent adjusting system and method for needle cylinder position of weft knitting machine and weft knitting machine - Google Patents
Intelligent adjusting system and method for needle cylinder position of weft knitting machine and weft knitting machine Download PDFInfo
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- CN112522845A CN112522845A CN202011370120.2A CN202011370120A CN112522845A CN 112522845 A CN112522845 A CN 112522845A CN 202011370120 A CN202011370120 A CN 202011370120A CN 112522845 A CN112522845 A CN 112522845A
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- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04B—KNITTING
- D04B15/00—Details of, or auxiliary devices incorporated in, weft knitting machines, restricted to machines of this kind
- D04B15/14—Needle cylinders
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- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04B—KNITTING
- D04B15/00—Details of, or auxiliary devices incorporated in, weft knitting machines, restricted to machines of this kind
- D04B15/94—Driving-gear not otherwise provided for
- D04B15/99—Driving-gear not otherwise provided for electrically controlled
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Abstract
The invention discloses a system and a method for intelligently adjusting the position of a needle cylinder of a weft knitting machine and the weft knitting machine, wherein the system comprises: the system comprises a digital dial indicator, a hub, a control board, a touch screen, a driver and an actuating mechanism; the digital dial indicator is connected to the touch screen through the concentrator; the touch screen is connected to the operation control board; the operation control board is connected to the actuating mechanism through a driver; the actuating mechanism is in transmission connection with the needle cylinder; the operation control board is used for realizing the following steps: receiving a position signal sent by a touch screen; judging whether the current position of the syringe deviates from the reference point or not according to the position signal; when the needle cylinder deviates from the reference point, a pulse signal is generated to the driver according to the deviation condition, so that the driver controls the movement of the actuating mechanism according to the pulse signal, and the position of the needle cylinder is adjusted to a reasonable position. The invention can effectively reduce the maintenance cost and risk of personnel and enhance the reliability of the system.
Description
Technical Field
The invention relates to the field of textiles, in particular to a system and a method for intelligently adjusting the position of a needle cylinder of a weft knitting machine and the weft knitting machine.
Background
With the vigorous development of the society and the economy in China, the living quality of people is remarkably improved, and the requirements of people on the textile quality are higher and higher. An important factor determining the quality of the textile is to keep the needle cylinder position constant within the set zone. However, the vertical position of the needle cylinder of the circular knitting machine is deviated and the rotating angle is deviated when the circular knitting machine runs for a long time. It is therefore necessary to readjust the syringe to the designated position at intervals.
In a traditional mechanical syringe adjusting system, one dial indicator is placed on a table board, a measuring head of the dial indicator touches a face of a syringe to measure the height, the other dial indicator touches a push block to measure the position of a rotating angle of the syringe relative to the push block, and the position of the syringe needs a mechanical engineer to readjust the vertical height and the left and right rotating angles of the syringe by experience of a hand-operated rotating wheel.
However, the adjustment method depends heavily on the working experience of mechanical engineers, and the adjustment steps are complicated, which is easy to cause personal safety and mechanical damage.
Disclosure of Invention
In view of the above, the present invention provides a system and a method for intelligently adjusting a position of a needle cylinder of a weft knitting machine, and a weft knitting machine, so as to solve the above problems.
The embodiment of the invention provides an intelligent adjusting system for the position of a needle cylinder of a weft knitting machine, which comprises: the digital dial indicator, the concentrator, the operation control board, the touch screen, the driver and the actuating mechanism are used for measuring the position of the syringe; wherein:
the digital dial indicator is connected to the touch screen through the concentrator so as to acquire the position information of the needle cylinder, and the position information is analyzed into a position signal through the concentrator and then is sent to the touch screen;
the touch screen is connected to a signal input end of the operation control board and used for acquiring the position signal and sending the position signal to the operation control board;
the operation control board is connected to the actuating mechanism through a driver; the actuating mechanism is in transmission connection with the needle cylinder;
the operation control board is configured to realize the following steps by executing the computer program inside the operation control board:
receiving a position signal sent by the touch screen; the position signal comprises syringe height information and rotation angle information;
judging whether the current position of the syringe deviates from the reference point or not according to the position signal;
when the needle cylinder deviates from the reference point, a pulse signal is generated to the driver according to the deviation condition, so that the driver controls the movement of the actuating mechanism according to the pulse signal, and the position of the needle cylinder is adjusted to a reasonable position.
Preferably, before determining whether the current position of the syringe deviates from the reference point according to the position signal, the method further includes:
receiving information of a reference point set by a user through a touch screen; wherein the reference point is generated by a user manually adjusting the syringe position through a touch screen in a manual mode.
Preferably, the actuator comprises at least one motor, and the motor comprises a servo motor, a stepping motor and an asynchronous motor;
the digital dial indicators comprise vertical digital dial indicators vertical to the vertical surface of the needle cylinder and horizontal digital dial indicators positioned on the left side and the right side of the needle cylinder and horizontal to the horizontal plane of the needle cylinder.
Preferably, the motor comprises a lift motor; the lifting motor is in transmission connection with the needle cylinder through a transmission mechanism so as to control the needle cylinder to move in the vertical direction;
when the needle cylinder deviates from the reference point, generating a pulse signal to the driver according to the deviation condition, so that the driver controls the movement of the actuating mechanism according to the pulse signal, thereby adjusting the position of the needle cylinder to a reasonable position, wherein the method comprises the following steps:
when the height of the needle cylinder is judged to be higher than the reference point and exceeds the preset range, the lifting motor is driven to move to the reference point by generating a pulse signal, then the lifting motor continues to move downwards for 2 times of the mechanical gap length, and finally the lifting motor slowly moves upwards to the reference point.
Preferably, when the syringe deviates from the reference point, a pulse signal is generated to the driver according to the deviation condition, so that the driver controls the movement of the actuating mechanism according to the pulse signal, thereby adjusting the position of the syringe to a reasonable position, and the method further comprises the following steps:
when the height of the needle cylinder is lower than the reference point, judging whether the deviation value is larger than 2 times of the mechanical gap length;
if yes, controlling the lifting motor to slowly move to the reference point by generating a pulse signal;
if not, controlling the lifting motor to continuously move downwards for 2 times of the mechanical gap length by generating a pulse signal, and then slowly moving to the reference point.
Preferably, the motor further comprises a left rotating motor and a right rotating motor; the left rotating motor is connected to the left T-head screw through a motor connecting sleeve; the right rotating motor is connected to the right T-head screw through a motor connecting sleeve; the left T-head screw rod and the right T-head screw rod are connected to a push block of the needle cylinder;
when the needle cylinder deviates from the reference point, generating a pulse signal to the driver according to the deviation condition, so that the driver controls the movement of the actuating mechanism according to the pulse signal, thereby adjusting the position of the needle cylinder to a reasonable position, wherein the method comprises the following steps:
and when the rotation angle of the syringe is smaller than the reference point, controlling the left rotating motor to drive the left T-head screw to retreat for a preset distance, controlling the right rotating motor to drive the right T-head screw to advance until the rotation angle of the syringe reaches the reference point, then driving the left T-head screw to advance by the left rotating motor until the torque of the left rotating motor reaches a torque set value, and stopping the movement of the left rotating motor.
Preferably, when the syringe deviates from the reference point, a pulse signal is generated to the driver according to the deviation condition, so that the driver controls the movement of the actuating mechanism according to the pulse signal, thereby adjusting the position of the syringe to a reasonable position, and the method further comprises the following steps:
and when the rotation angle of the needle cylinder is judged to be larger than the reference point, controlling the right rotating motor to drive the right T-head screw to retreat for a preset distance, then controlling the left rotating motor to drive the left T-head screw to advance until the rotation angle of the needle cylinder reaches the reference point, then driving the right T-head screw to advance by the right rotating motor until the torque of the right rotating motor reaches a torque set value, and stopping the right rotating motor to move.
Preferably, the touch screen is also used for displaying the current position of the syringe in real time, and sending a position signal to the operation control board through 485 communication.
The embodiment of the invention also provides an intelligent adjusting method for the position of the needle cylinder of the weft knitting machine, which comprises the following steps:
the digital dial indicator collects the position information of the needle cylinder, and the position information is analyzed into a position signal through the concentrator and then is sent to the touch screen;
the touch screen displays the current position of the needle cylinder according to the position signal and sends the position signal to the operation control board;
and the operation control board judges whether the current position of the needle cylinder deviates from the reference point according to the position signal, and generates a pulse signal to the driver according to the deviation condition when the needle cylinder deviates from the reference point, so that the driver controls the movement of the actuating mechanism according to the pulse signal, and the position of the needle cylinder is adjusted to a reasonable position.
The embodiment of the invention also provides a weft knitting machine which comprises the intelligent adjusting system for the needle cylinder position of the weft knitting machine.
In the embodiment, the hand-operated rotating wheel is replaced by the matching of the motor and the digital dial indicator to realize the automatic adjustment of the needle cylinder, the real-time feedback of the position of the needle cylinder is realized through the touch screen, and the position of the reference point can be adjusted in real time. Therefore, the maintenance cost and risk of personnel are effectively reduced, and the reliability of the system is enhanced. In addition, each data of the embodiment can be fed back in real time and stored for a long time, and a basis is provided for subsequent data analysis and data collection.
Drawings
In order to more clearly illustrate the technical solution of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic diagram of hardware modules of an intelligent adjusting system for the position of a needle cylinder of a weft knitting machine according to a first embodiment of the invention.
FIG. 2 is a view showing a construction of raising and lowering the position of a needle cylinder of the weft knitting machine according to the first embodiment of the present invention.
FIG. 3 is a view showing a configuration of a needle cylinder position rotation of the weft knitting machine according to the first embodiment of the present invention.
Fig. 4 is a working principle diagram of the operation control board.
Fig. 5 is a flowchart of the operation of a method for intelligently adjusting the position of a needle cylinder of a weft knitting machine according to a second embodiment of the invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 3, a first embodiment of the present invention provides an intelligent adjusting system for a needle cylinder position of a weft knitting machine, which includes: a digital dial gauge for measuring syringe position, hub 20, motion control panel 40, touch screen 30, drive 50, and actuator 60; wherein:
the digital dial indicator is connected to the touch screen 30 through the hub 20 to acquire the position information of the syringe 200, and the position information is analyzed into a position signal through the hub 20 and then sent to the touch screen 30.
Specifically, in the present embodiment, as shown in fig. 2 and 3, the dial indicators include a vertical dial indicator 11 perpendicular to the vertical surface of the syringe 200 and horizontal dial indicators 12 located on the left and right sides of the syringe 200 and horizontal to the horizontal surface of the syringe 200. The dial indicator measuring head 111 of the vertical digital dial indicator 11 is vertically arranged and can be used for measuring height information of the needle cylinder in the vertical direction. The dial gauge head 121 of the horizontal digital dial gauge 12 is horizontally arranged and can be used for measuring the rotation angle information of the needle cylinder 200 in the horizontal direction.
In this embodiment, the height information and the rotation angle information measured by the vertical dial indicator 11 and the horizontal dial indicator 12 are packaged into position information, and the position information is analyzed by the hub 20 to generate a position signal, and then the position signal is sent to the touch screen 30. After receiving the position signal, the touch screen 30 displays the current position of the needle cylinder on its display interface in real time according to the position signal, and then sends the position signal to the operation control board 40 through 485 communication.
In this embodiment, the operation control board 40 is connected to the actuator 60 through a driver 50; the actuating mechanism 60 is in driving connection with the needle cylinder.
Specifically, as shown in fig. 2 and 3, in the present embodiment, the actuator 60 is a motor, such as a servo motor, a stepping motor, an asynchronous motor, and the like, and at least includes a lifting motor 61, a left rotating motor 62, and a right rotating motor 63. Wherein, the lifting motor 61 is in transmission connection with the needle cylinder 200 through a transmission mechanism 64 (such as a gear set) to control the needle cylinder 2000 to move in the vertical direction. The left rotary motor 62 is connected to a left T-head screw 66 through a motor connecting sleeve 65; the right rotating motor 63 is connected to a right T-head screw 67 through a motor connecting sleeve 65; the left and right T- head screws 66 and 67 are connected to the push block 210 of the cylinder 200 to push the cylinder 200 to rotate in the horizontal direction.
As shown in fig. 4, in the present embodiment, the operation control board 40 is configured to implement the following steps by executing the computer program inside thereof:
s101, receiving a position signal sent by the touch screen; the position signal includes syringe height information and rotational angle information.
And S102, judging whether the current position of the syringe deviates from the reference point according to the position signal.
In this embodiment, in order to realize automatic adjustment, a reference point needs to be acquired first. For example, in one possible implementation, the reference points may be obtained by:
the shunting worker adjusts the rotation angle of the needle cylinder to a preset position of the horizontal plane by clicking a left-right rotation click button on the touch screen 30 in a manual mode, the position can be adjusted by the shunting worker according to experience, after the preset position is reached and the shunting worker selects and determines, the touch screen 30 sets the current position as a reference point, and sends data of the reference point to the operation control panel 40.
Of course, it should be noted that in other embodiments of the present invention, the reference point may be set in other manners, and the present invention is not limited in particular.
In addition, it should be noted that, once the reference points are stored in the operation control board 40, the reference points can be directly read for determination in the next operation, and a process of manual adjustment is not required each time.
In addition, the user can also adjust the position of the reference point, and the data of the adjusted reference point can cover the original data.
S103, when the needle cylinder deviates from the reference point, generating a pulse signal to the driver according to the deviation condition, so that the driver controls the motion of the actuating mechanism according to the pulse signal, and the position of the needle cylinder is adjusted to a reasonable position.
Specifically, when the operation control board 40 determines whether the height of the syringe 200 is higher than the reference point and exceeds the preset range, if so, the operation control board 40 drives the lifting motor 61 to move to the reference point by generating a pulse signal, then continues to move downward by a mechanical gap length 2 times, and finally slowly moves upward to the reference point, so that the mechanical gap in the vertical direction can be overcome.
Then, if the height is higher than the reference point, the operation control board 40 further determines whether the height of the syringe is lower than the reference point, and if so, determines whether the deviation value is larger than 2 times of the mechanical gap length;
if yes, controlling the lifting motor 61 to slowly move to the reference point by generating a pulse signal;
if not, the lifting motor 61 is controlled to continue to move downwards for 2 times of the mechanical gap length by generating a pulse signal, and then slowly moves to the reference point.
Further, after the adjustment in the vertical direction is completed, the operation control board 40 determines whether the needle cartridge 200 is rotated.
First, the operation control board 40 determines whether the rotation angle of the syringe 200 is smaller than a reference point (in this embodiment, when the value of the dial indicator 12 is smaller than the reference point, the syringe needs to move clockwise, and when the value is higher than the reference point, the syringe needs to move counterclockwise), if so, the left rotation motor 62 is controlled to drive the left T-head screw 66 to retreat by a predetermined distance (for example, 1cm), the right rotation motor 63 is controlled to drive the right T-head screw 67 to advance until the rotation angle of the syringe 200 reaches the reference point, then the left rotation motor 62 drives the left T-head screw 66 to advance until the torque of the left rotation motor 62 reaches a torque set value, and the movement of the left rotation motor 62 is.
Further, if the rotation angle of the syringe 200 is not less than the reference point, the operation control board determines whether the rotation angle of the syringe 200 is greater than the reference point, if so, the right rotary motor 63 is controlled to drive the right T-head screw 67 to retreat by a predetermined distance (e.g., 1cm), the left rotary motor 62 is controlled to drive the left T-head screw 66 to advance until the rotation angle of the syringe reaches the reference point, then the right rotary motor 63 drives the right T-head screw 67 to advance until the torque of the right rotary motor 63 reaches the torque set value, and the right rotary motor 63 is stopped to move.
In this embodiment, the automatic adjustment of the height and angle of the needle cylinder 200 can be realized through the above steps, so that the needle cylinder 200 is adjusted to a proper position, thereby ensuring the textile quality.
In summary, the intelligent adjusting system for the position of the needle cylinder of the weft knitting machine provided by this embodiment replaces the hand-operated rotating wheel by the cooperation of the motor and the digital dial indicator to realize the automatic adjustment of the needle cylinder, realizes the real-time feedback of the position of the needle cylinder through the touch screen 30, and can adjust the position to the reference point in real time. Therefore, the maintenance cost and risk of personnel are effectively reduced, and the reliability of the system is enhanced. In addition, each data of the embodiment can be fed back in real time and stored for a long time, and a basis is provided for subsequent data analysis and data collection.
Referring to fig. 5, a second embodiment of the present invention further provides a method for intelligently adjusting the position of a needle cylinder of a weft knitting machine, which includes:
s201, the digital dial indicator collects position information of the needle cylinder, and the position information is analyzed into a position signal through the concentrator and then is sent to the touch screen;
s202, the touch screen displays the current position of the syringe according to the position signal and sends the position signal to a control board;
s203, the operation control board judges whether the current position of the syringe deviates from the reference point according to the position signal, and generates a pulse signal to the driver according to the deviation condition when the syringe deviates from the reference point, so that the driver controls the movement of the actuating mechanism according to the pulse signal, and the position of the syringe is adjusted to a reasonable position.
The invention also provides a weft knitting machine, which comprises the intelligent adjusting system for the needle cylinder position of the weft knitting machine.
In the embodiments provided in the present invention, it should be understood that the disclosed apparatus and method can be implemented in other ways. The apparatus and method embodiments described above are illustrative only, as the flowcharts and block diagrams in the figures illustrate the architecture, functionality, and operation of possible implementations of apparatus, methods and computer program products according to various embodiments of the present invention. In this regard, each block in the flowchart or block diagrams may represent a module, segment, or portion of code, which comprises one or more executable instructions for implementing the specified logical function(s). It should also be noted that, in some alternative implementations, the functions noted in the block may occur out of the order noted in the figures. For example, two blocks shown in succession may, in fact, be executed substantially concurrently, or the blocks may sometimes be executed in the reverse order, depending upon the functionality involved. It will also be noted that each block of the block diagrams and/or flowchart illustration, and combinations of blocks in the block diagrams and/or flowchart illustration, can be implemented by special purpose hardware-based systems which perform the specified functions or acts, or combinations of special purpose hardware and computer instructions.
In addition, the functional modules in the embodiments of the present invention may be integrated together to form an independent part, or each module may exist separately, or two or more modules may be integrated to form an independent part.
The functions, if implemented in the form of software functional modules and sold or used as a stand-alone product, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present invention may be embodied in the form of a software product, which is stored in a storage medium and includes instructions for causing a computer device (which may be a personal computer, an electronic device, or a network device) to execute all or part of the steps of the method according to the embodiments of the present invention. And the aforementioned storage medium includes: a U-disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk, and other various media capable of storing program codes. It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. An intelligent adjusting system for the position of a needle cylinder of a weft knitting machine is characterized by comprising: the digital dial indicator, the concentrator, the operation control board, the touch screen, the driver and the actuating mechanism are used for measuring the position of the syringe; wherein:
the digital dial indicator is connected to the touch screen through the concentrator so as to acquire the position information of the needle cylinder, and the position information is analyzed into a position signal through the concentrator and then is sent to the touch screen;
the touch screen is connected to a signal input end of the operation control board and used for acquiring the position signal and sending the position signal to the operation control board;
the operation control board is connected to the actuating mechanism through a driver; the actuating mechanism is in transmission connection with the needle cylinder;
the operation control board is configured to realize the following steps by executing the computer program inside the operation control board:
receiving a position signal sent by the touch screen; the position signal comprises syringe height information and rotation angle information;
judging whether the current position of the syringe deviates from the reference point or not according to the position signal;
when the needle cylinder deviates from the reference point, a pulse signal is generated to the driver according to the deviation condition, so that the driver controls the movement of the actuating mechanism according to the pulse signal, and the position of the needle cylinder is adjusted to a reasonable position.
2. The intelligent adjusting system for the position of the needle cylinder of the weft knitting machine according to claim 1, before determining whether the current position of the needle cylinder deviates from the reference point according to the position signal, further comprising:
receiving information of a reference point set by a user through a touch screen; wherein the reference point is generated by a user manually adjusting the syringe position through a touch screen in a manual mode.
3. The intelligent adjusting system for the position of the needle cylinder of the weft knitting machine according to claim 1, characterized in that the actuator comprises at least one motor, and the motor comprises a servo motor, a stepping motor and an asynchronous motor;
the digital dial indicators comprise vertical digital dial indicators vertical to the vertical surface of the needle cylinder and horizontal digital dial indicators positioned on the left side and the right side of the needle cylinder and horizontal to the horizontal plane of the needle cylinder.
4. The intelligent regulation system of position of a needle cylinder of a weft knitting machine according to claim 3, characterized in that the motor comprises a lifting motor; the lifting motor is in transmission connection with the needle cylinder through a transmission mechanism so as to control the needle cylinder to move in the vertical direction;
when the needle cylinder deviates from the reference point, generating a pulse signal to the driver according to the deviation condition, so that the driver controls the movement of the actuating mechanism according to the pulse signal, thereby adjusting the position of the needle cylinder to a reasonable position, wherein the method comprises the following steps:
when the height of the needle cylinder is judged to be higher than the reference point and exceeds the preset range, the lifting motor is driven to move to the reference point by generating a pulse signal, then the lifting motor continues to move downwards for 2 times of the mechanical gap length, and finally the lifting motor slowly moves upwards to the reference point.
5. The intelligent adjusting system for the position of the needle cylinder of the weft knitting machine according to claim 4, wherein when the needle cylinder deviates from the reference point, a pulse signal is generated to the driver according to the deviation condition, so that the driver controls the movement of the actuator according to the pulse signal, thereby adjusting the position of the needle cylinder to a reasonable position, further comprising:
when the height of the needle cylinder is lower than the reference point, judging whether the deviation value is larger than 2 times of the mechanical gap length;
if yes, controlling the lifting motor to slowly move to the reference point by generating a pulse signal;
if not, controlling the lifting motor to continuously move downwards for 2 times of the mechanical gap length by generating a pulse signal, and then slowly moving to the reference point.
6. The intelligent regulation system of position of needle cylinder of weft knitting machine according to claim 3 characterized in that said motor further comprises a left rotating motor and a right rotating motor; the left rotating motor is connected to the left T-head screw through a motor connecting sleeve; the right rotating motor is connected to the right T-head screw through a motor connecting sleeve; the left T-head screw rod and the right T-head screw rod are connected to a push block of the needle cylinder;
when the needle cylinder deviates from the reference point, generating a pulse signal to the driver according to the deviation condition, so that the driver controls the movement of the actuating mechanism according to the pulse signal, thereby adjusting the position of the needle cylinder to a reasonable position, wherein the method comprises the following steps:
and when the rotation angle of the syringe is smaller than the reference point, controlling the left rotating motor to drive the left T-head screw to retreat for a preset distance, controlling the right rotating motor to drive the right T-head screw to advance until the rotation angle of the syringe reaches the reference point, then driving the left T-head screw to advance by the left rotating motor until the torque of the left rotating motor reaches a torque set value, and stopping the movement of the left rotating motor.
7. The intelligent regulation system of the position of a needle cylinder of a weft knitting machine according to claim 6,
when the needle cylinder deviates from the reference point, a pulse signal is generated to the driver according to the deviation condition, so that the driver controls the movement of the actuating mechanism according to the pulse signal, and the position of the needle cylinder is adjusted to a reasonable position, and the method further comprises the following steps:
and when the rotation angle of the needle cylinder is judged to be larger than the reference point, controlling the right rotating motor to drive the right T-head screw to retreat for a preset distance, then controlling the left rotating motor to drive the left T-head screw to advance until the rotation angle of the needle cylinder reaches the reference point, then driving the right T-head screw to advance by the right rotating motor until the torque of the right rotating motor reaches a torque set value, and stopping the right rotating motor to move.
8. The intelligent adjusting system for the position of the needle cylinder of the weft knitting machine according to claim 1, wherein the touch screen is further used for displaying the current position of the needle cylinder in real time and sending a position signal to the operation and control board through 485 communication.
9. An intelligent adjusting method for the position of a needle cylinder of a weft knitting machine is characterized by comprising the following steps:
the digital dial indicator collects the position information of the needle cylinder, and the position information is analyzed into a position signal through the concentrator and then is sent to the touch screen;
the touch screen displays the current position of the needle cylinder according to the position signal and sends the position signal to the operation control board;
and the operation control board judges whether the current position of the needle cylinder deviates from the reference point according to the position signal, and generates a pulse signal to the driver according to the deviation condition when the needle cylinder deviates from the reference point, so that the driver controls the movement of the actuating mechanism according to the pulse signal, and the position of the needle cylinder is adjusted to a reasonable position.
10. A weft knitting machine characterized by comprising the intelligent adjustment system for the position of the cylinder of the weft knitting machine according to any one of claims 1 to 8.
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| CN202011370120.2A CN112522845B (en) | 2020-11-30 | 2020-11-30 | Intelligent adjusting system and method for needle cylinder position of weft knitting machine and weft knitting machine |
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