CN115125680A - Embroidery machine color changing control system and method - Google Patents
Embroidery machine color changing control system and method Download PDFInfo
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- CN115125680A CN115125680A CN202210733572.5A CN202210733572A CN115125680A CN 115125680 A CN115125680 A CN 115125680A CN 202210733572 A CN202210733572 A CN 202210733572A CN 115125680 A CN115125680 A CN 115125680A
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- needle
- color changing
- position data
- control system
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- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05C—EMBROIDERING; TUFTING
- D05C11/00—Devices for guiding, feeding, handling, or treating the threads in embroidering machines; Machine needles; Operating or control mechanisms therefor
- D05C11/16—Arrangements for repeating thread patterns or for changing threads
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- Textile Engineering (AREA)
- Sewing Machines And Sewing (AREA)
Abstract
The invention provides an embroidery machine color changing control system capable of improving control precision. An embroidery machine color changing control system comprising: a housing; the needle bar frame component is provided with a plurality of needle bars; the driving part is arranged on the shell; one end of the ball screw is connected with the output end of the driving part, and the other end of the ball screw is movably connected with the shell; the sliding block is sleeved on the ball screw; one end of the color changing rod is fixedly connected with the sliding block, the other end of the color changing rod is fixedly connected with the needle bar frame component, and the middle part of the color changing rod is connected with the machine shell in a sliding manner; the displacement sensor is provided with a fixed part and a moving part, the moving part is connected with the fixed part in a sliding manner, the fixed part is fixedly connected with the shell, and the moving part is fixedly connected with the sliding block; a control component. The invention adopts a full closed-loop control mode, solves the problem of positioning deviation during color changing operation and improves the quality of embroidery.
Description
Technical Field
The invention relates to an embroidery machine control system and method, in particular to an embroidery machine color changing control system and method, and belongs to the technical field of textiles.
Background
With the improvement of living standard, the quality requirement of consumers on embroidered fabrics is higher and higher. The requirements on embroidery color and thread variety are met, the requirements on embroidery quality are stricter and stricter, and color changing precision is an important factor influencing embroidery quality.
With the increasing number of needles of the embroidery machine, the color of the embroidery machine is developed from 6 colors and 9 colors to 15 colors, 24 colors and 30 colors, and with the increasing needle positions of the embroidery machine, the requirement on the color changing precision of the embroidery machine is higher. In the prior art, the color changing precision of the color changing control system of the embroidery machine completely depends on a mechanical structure.
The existing color changing control system of the embroidery machine consists of a closed loop stepping motor, a screw rod and needle position strips, wherein each color changing position on the needle position strips is provided with a Hall switch, the needle position strips are fed by the closed loop stepping motor to be used for the current needle position when the color is changed each time, and different needle position strips are required to be installed when the needle position intervals are inconsistent or the needle position quantity is inconsistent, so the universality is not strong; although the closed-loop stepping motor can accurately control the position, the error is large when the color is actually changed due to the assembly error among all the parts, particularly, the return difference of the screw rod in positive and negative rotation cannot be eliminated, and the precision is insufficient. In addition, if the existing color changing control system is not at the needle position, the current position cannot be judged, and the individual adjustment of the individual needle position is inconvenient.
Disclosure of Invention
Based on the above background, the present invention is directed to provide an embroidery machine color-changing control system with improved control accuracy, which solves the problems described in the background art.
Another object of the present invention is to provide a control method using the color changing control system of the embroidery machine.
In order to achieve the above object, the present invention provides the following technical solutions:
an embroidery machine color changing control system comprising:
a housing;
the needle bar frame component is provided with a plurality of needle bars;
the driving part is arranged on the shell;
one end of the ball screw is connected with the output end of the driving part, and the other end of the ball screw is movably connected with the shell;
the sliding block is sleeved on the ball screw;
one end of the color changing rod is fixedly connected with the sliding block, the other end of the color changing rod is fixedly connected with the needle bar frame component, and the middle part of the color changing rod is connected with the machine shell in a sliding manner;
the displacement sensor is provided with a fixed part and a moving part, the moving part is connected with the fixed part in a sliding manner, the fixed part is fixedly connected with the shell, and the moving part is fixedly connected with the sliding block;
the control component is respectively electrically connected with the driving component and the displacement sensor and is used for acquiring slide block displacement data acquired by the displacement sensor, converting the slide block displacement data into current position data of the needle bar frame component, comparing the target position data of the needle bar frame component with the current position data of the needle bar frame component, calculating the movement direction and the movement angle of the driving component according to the difference value of the target position data and the current position data, and controlling the driving component to move according to the movement direction and the movement angle.
Preferably, the color changing control system of the embroidery machine further comprises a guide component, the guide component comprises a guide shaft and a guide sleeve, the guide shaft is arranged in the guide sleeve in a penetrating mode and is in sliding connection with the guide sleeve, two ends of the guide shaft are fixedly connected with the machine shell, the guide shaft is parallel to the ball screw and the color changing rod, and the guide sleeve is fixedly connected with the sliding block. Through the cooperation of uide bushing and guiding axle, can reduce the fit clearance between slider and the ball, make the slider carry out the displacement along the straight line all the time.
Preferably, the guide shafts are three, the guide sleeve is in a disc shape, a mounting hole is formed in the center of the guide sleeve, the end of the color changing rod is fixedly connected with the middle of the guide sleeve through the mounting hole, the sliding block is fixedly connected with the middle of the guide sleeve, three guide holes are formed in the circumferential direction of the guide sleeve, the three guide holes are evenly distributed at intervals along the circumferential direction of the guide sleeve by taking the hole center of the mounting hole as the center, and each guide hole is in sliding connection with one guide shaft. Three-point positioning is formed by the three guide holes for the center of the guide sleeve, so that the moving path of the color changing rod fixed on the mounting hole is strictly limited to be a straight line, and the positioning deviation of the whole control system is further reduced.
Preferably, the displacement sensor is a straight slide potentiometer, and a slide arm of the straight slide potentiometer is configured as the moving part.
Preferably, the control means is also adapted to set and store an initial position data set for all needle bars of the needle bar carrier means.
Preferably, the driving part is a stepping motor, and the control part is a PLC industrial control board.
A control method adopting the embroidery machine color changing control system comprises the following steps:
initializing the color changing control system of the embroidery machine, and setting and storing initial position data sets of all needle rods of the needle rod frame component;
starting an embroidery machine color changing control system, acquiring current slider displacement data by a displacement sensor, transmitting the current slider displacement data to a control part, traversing initial position data sets of all needle bars by the control part to match the current slider displacement data, and confirming the sequence number of a working needle bar of a current needle bar frame part;
reading the embroidery patterns through the control part, converting the embroidery patterns into the serial numbers of the working needle rods required by the next step, and converting the serial numbers of the working needle rods into the position data of the working needle rods of the next step by matching the initial position data sets of all the needle rods;
and calculating the movement direction and the movement angle of the driving part by the control part according to the position data of the next working needle rod and the current slider displacement data, and controlling the driving part to move according to the movement direction and the movement angle.
Preferably, the initialization operation includes the steps of:
manually rotating the ball screw to enable the sliding block to drive the needle bar frame component to move to the position of the needle bar with the first serial number;
reading current slider displacement data acquired by a displacement sensor through a control component, and storing the current slider displacement data as initial position data of a needle bar with a first serial number;
inputting the number of the needle bars and the space between the needle bars into a control component, and generating a corresponding number of initial position data sets of the needle bars through the control component according to an algorithm;
and manually switching the positions of the needle bars, comparing whether the initial position data sets of the needle bars are consistent with the actual positions of the needle bars, and if so, adjusting the initial position data of the needle bars one by one until the initial position data of all the needle bars are consistent with the actual positions of the needle bars.
Compared with the prior art, the invention has the following advantages:
the color changing control system of the embroidery machine adopts a full closed loop control mode, solves the problem of positioning deviation during color changing operation, improves the quality of embroidery products, is convenient to adjust, can adapt to needle bars of different types and different intervals only by changing the needle bar position data set and stored in the control part, and does not need to additionally change hardware configuration.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
FIG. 1 is a schematic perspective view of a color changing control system of an embroidery machine according to the present invention;
fig. 2 is a schematic structural view of a color change control system of the embroidery machine of the present invention;
FIG. 3 is a schematic view of the structure of the guide member of the present invention;
FIG. 4 is a flow chart of the color changing control method of the embroidery machine of the invention;
fig. 5 is a flowchart of an initialization operation in the present invention.
In the figure: 1. a drive member; 2. a ball screw; 3. a slider; 4. a displacement sensor; 5. a color changing rod; 6. a needle bar frame member; 7. a housing; 8. a control component; 9. a guide shaft; 10. a guide sleeve; 11. mounting holes; 12. and (4) a guide hole.
Detailed Description
The technical solution of the present invention is further specifically described below by way of specific examples in conjunction with the accompanying drawings. It is to be understood that the practice of the invention is not limited to the following examples, and that any variations and/or modifications may be made thereto without departing from the scope of the invention.
In the present invention, all parts and percentages are by weight, unless otherwise specified, and the equipment and materials used are commercially available or commonly used in the art. The methods in the following examples are conventional in the art unless otherwise specified. The components or devices in the following examples are, unless otherwise specified, standard parts or parts known to those skilled in the art, the structure and principle of which are known to those skilled in the art through technical manuals or through routine experimentation.
The embodiment of the invention discloses a color changing control system of an embroidery machine, which comprises a machine shell, a needle bar frame component, a driving component, a ball screw, a slide block, a color changing rod, a displacement sensor and a control component. The needle bar frame component is provided with a plurality of needle bars, the driving component is arranged on the machine shell, one end of the ball screw is connected with the output end of the driving component, the other end of the ball screw is movably connected with the machine shell, the sliding block is sleeved on the ball screw, one end of the color changing rod is fixedly connected with the sliding block, the other end of the color changing rod is fixedly connected with the needle bar frame component, and the middle part of the color changing rod is slidably connected with the machine shell. The displacement sensor is provided with a fixing part and a moving part, the moving part is connected with the fixing part in a sliding mode, the fixing part is fixedly connected with the machine shell, and the moving part is fixedly connected with the sliding block. The control component is respectively electrically connected with the driving component and the displacement sensor and is used for acquiring slider displacement data acquired by the displacement sensor, converting the slider displacement data into current position data of the needle bar frame component, comparing the target position data of the needle bar frame component with the current position data of the needle bar frame component, calculating the movement direction and the movement angle of the driving component according to the difference value of the target position data and the current position data, and controlling the driving component to move according to the movement direction and the movement angle. The embroidery machine color changing control system adopts a fully closed-loop control mode, solves the problem of positioning deviation during color changing operation, improves the quality of embroidery, is convenient to adjust, can adapt to needle bars of different types and different intervals only by changing the needle bar position data set and stored in the control part, and does not need to additionally change hardware configuration.
In the following detailed description, for purposes of explanation, numerous specific details are set forth in order to provide a thorough understanding of the embodiments of the invention. However, one or more embodiments may be practiced without these specific details by one of ordinary skill in the art.
As shown in fig. 1 and 2, an embroidery machine color-changing control system includes a cabinet 7, a needle bar housing part 6, a driving part 1, a ball screw 2, a slider 3, a color-changing rod 5, a displacement sensor 4, and a control part 8.
The needle bar frame component 6 is provided with twelve needle bars, the driving component 1 is arranged on the machine shell 7, and the driving component 1 is a stepping motor. The output of the driving part 1 is connected to one end of the ball screw 2, the other end of the ball screw 2 is movably connected with the casing 7, the sliding block 3 is sleeved on the ball screw 2, one end of the color changing rod 5 is fixedly connected with the sliding block 3, the other end of the color changing rod 5 is fixedly connected with the needle bar frame part 6, and the middle part of the color changing rod 5 is slidably connected with the casing 7.
The displacement sensor 4 has a fixed part and a moving part, the moving part is slidably connected with the fixed part, the fixed part is fixedly connected with the housing 7, and the moving part is fixedly connected with the slider 3. Specifically, the displacement sensor 4 is a straight-slide type potentiometer, and a slide arm of the straight-slide type potentiometer is configured as a moving part. The advantage of this arrangement is that it is cost effective and ensures position monitoring accuracy. The direct sliding potentiometer is a prior art, and the specific structure thereof is not described in detail again.
In order to reduce the fit clearance between the sliding block 3 and the ball screw and enable the sliding block 3 to always displace along a straight line, the color changing control system of the embroidery machine further comprises a guide component, the guide component comprises a guide shaft 9 and a guide sleeve 10, the guide shaft 9 is arranged in the guide sleeve 10 in a penetrating mode and is in sliding connection with the guide sleeve 10, two ends of the guide shaft 9 are fixedly connected with the machine shell 7, the guide shaft 9 is parallel to the ball screw and the color changing rod 5, and the guide sleeve 10 is fixedly connected with the sliding block 3.
In order to further reduce the positioning deviation of the whole control system, three guide shafts 9 are arranged, the guide sleeve 10 is in a disc shape, as shown in fig. 3, a mounting hole 11 is formed in the center of the guide sleeve 10, the end portion of the color changing rod 5 is fixedly connected with the middle of the guide sleeve 10 through the mounting hole 11, the sliding block 3 is fixedly connected with the middle of the guide sleeve 10, three guide holes 12 are formed in the circumferential direction of the guide sleeve 10, the three guide holes 12 are evenly distributed along the circumferential direction of the guide sleeve 10 at intervals by taking the hole center of the mounting hole 11 as the center, and each guide hole 12 is in sliding connection with one guide shaft 9. The three-point positioning is formed on the center of the guide sleeve 10 through the three guide holes 12, so that the moving path of the color changing rod 5 fixed on the mounting hole 11 is strictly limited to a straight line.
The embodiment of the invention also discloses a control method adopting the embroidery machine color changing control system, which comprises the following steps:
initializing the color changing control system of the embroidery machine, and setting and storing initial position data sets of all needle bars of the needle bar frame component 6;
starting an embroidery machine color changing control system, acquiring current slider 3 displacement data by a displacement sensor 4, transmitting the current slider 3 displacement data to a control part 8, traversing all the initial position data sets of needle bars by the control part 8 to match the current slider 3 displacement data, and confirming the working needle bar serial number of a current needle bar frame part 6;
reading the embroidery pattern by the control unit 8, converting the embroidery pattern into a serial number of a working needle bar required for the next step, and converting the serial number of the working needle bar into position data of the working needle bar for the next step by matching initial position data sets of all the needle bars;
the control component 8 calculates the motion direction and the motion angle of the stepping motor according to the position data of the next working needle rod and the current displacement data of the slide block 3, and controls the stepping motor to move according to the motion direction and the motion angle.
In order to improve the displacement precision of the control system during operation, a PID module is arranged in the control part 8, when the stepping motor rotates, the control part 8 continuously reads the displacement data of the slide block 3 collected by the displacement sensor 4, and the PID module carries out real-time PID adjustment until the control part 8 controls the next working needle rod to reach a target position.
Wherein the initialization operation comprises the steps of:
manually rotating the ball screw 2 to enable the slide block 3 to drive the needle bar frame part 6 to move to the position of the needle bar with the first sequence number;
reading the current displacement data of the sliding block 3 acquired by the displacement sensor 4 through the control component 8, and storing the data as the initial position data of the needle bar with a first serial number;
inputting the number of the needle bars and the space between the needle bars into a control component 8, and generating a corresponding number of data sets of the initial positions of the needle bars through the control component 8 according to an algorithm;
and manually switching the positions of the needle bars, comparing whether the initial position data sets of the needle bars are consistent with the actual positions of the needle bars, and if so, adjusting the initial position data of the needle bars one by one until the initial position data of all the needle bars are consistent with the actual positions of the needle bars.
The principles and embodiments of the present invention are explained herein using specific examples, which are presented only to assist in understanding the method and its core concepts. It should be noted that, for those skilled in the art, it is possible to make various improvements and modifications to the present invention without departing from the principle of the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention.
Claims (8)
1. The utility model provides an embroidery machine trades look control system which characterized in that: the embroidery machine trades look control system includes:
a housing (7);
the needle bar frame component (6), the needle bar frame component (6) is provided with a plurality of needle bars;
a drive part (1) arranged on the shell (7);
one end of the ball screw (2) is connected with the output end of the driving part (1), and the other end of the ball screw (2) is movably connected with the shell (7);
the sliding block (3) is sleeved on the ball screw (2);
one end of the color changing rod (5) is fixedly connected with the sliding block (3), the other end of the color changing rod (5) is fixedly connected with the needle bar frame component (6), and the middle part of the color changing rod (5) is in sliding connection with the shell (7);
the displacement sensor (4) is provided with a fixed part and a moving part, the moving part is connected with the fixed part in a sliding mode, the fixed part is fixedly connected with the shell (7), and the moving part is fixedly connected with the sliding block (3);
the control component (8), the control component (8) respectively with drive component (1) with displacement sensor (4) electric connection, control component (8) are used for obtaining slider (3) displacement data that displacement sensor (4) gathered, convert slider (3) displacement data into the current position data of needle bar frame part (6), compare the target position data of needle bar frame part (6) and the current position data of needle bar frame part (6), calculate the direction of motion and the motion angle of drive component (1) according to the difference of target position data and current position data, and control drive component (1) according to the direction of motion and motion angle move.
2. The color changing control system of an embroidery machine according to claim 1, characterized in that: this embroidery machine trades look control system still includes leading truck, leading truck includes guiding axle (9) and uide bushing (10), guiding axle (9) wear to locate in uide bushing (10) and with uide bushing (10) sliding connection, guiding axle (9) both ends and casing (7) fixed connection, guiding axle (9) are on a parallel with ball and trade look pole (5), uide bushing (10) with slider (3) fixed connection.
3. The color changing control system of an embroidery machine according to claim 2, characterized in that: guide shaft (9) are equipped with three, uide bushing (10) are the disc shape, and uide bushing (10) center is equipped with mounting hole (11), trades look pole (5) tip and passes through mounting hole (11) fixed connection uide bushing (10) middle part, slider (3) and uide bushing (10) middle part fixed connection, uide bushing (10) circumference is equipped with three guiding hole (12), and even interval distribution in uide bushing (10) circumference is followed as the center in the hole heart of mounting hole (11) in three guiding hole (12), every guiding hole (12) and a guide shaft (9) sliding connection.
4. The color changing control system of an embroidery machine according to claim 1, characterized in that: the displacement sensor (4) is a straight slide potentiometer, and a slide arm of the straight slide potentiometer is configured as the moving part.
5. The embroidery machine color-changing control system according to claim 1, wherein: the control unit (8) is also used to set and store an initial position data set for all needle bars of the needle bar carrier unit (6).
6. The color changing control system of an embroidery machine according to claim 1, characterized in that: the driving part (1) is a stepping motor, and the control part (8) is a PLC industrial control board.
7. A control method using the color changing control system of the embroidery machine according to any one of claims 1 to 6, characterized in that: the method comprises the following steps:
initializing the color changing control system of the embroidery machine, and setting and storing initial position data sets of all needle bars of the needle bar frame component (6);
starting an embroidery machine color changing control system, acquiring displacement data of a current sliding block (3) by a displacement sensor (4), transmitting the displacement data of the current sliding block (3) to a control part (8), traversing initial position data sets of all needle bars by the control part (8) to match the displacement data of the current sliding block (3), and confirming the serial number of a working needle bar of a current needle bar frame part (6);
reading the embroidery pattern through a control component (8), converting the embroidery pattern into a serial number of a working needle rod required by the next step, and converting the serial number of the working needle rod into position data of the next working needle rod by matching initial position data sets of all the needle rods;
and calculating the movement direction and the movement angle of the driving part (1) by the control part (8) according to the position data of the next working needle rod and the displacement data of the current sliding block (3), and controlling the driving part (1) to move according to the movement direction and the movement angle.
8. The color changing control method of the embroidery machine according to claim 7, characterized in that: the initialization operation includes the steps of:
manually rotating the ball screw (2) to enable the sliding block (3) to drive the needle bar frame component (6) to move to the position of the needle bar with the first sequence number;
reading current displacement data of the sliding block (3) acquired by the displacement sensor (4) through a control component (8), and storing the current displacement data as initial position data of the needle bar with a first serial number;
inputting the number of the needle bars and the distance between the needle bars into a control part (8), and generating a corresponding number of initial position data sets of the needle bars through the control part (8) according to an algorithm;
and manually switching the positions of the needle bars, comparing whether the initial position data sets of the needle bars are consistent with the actual positions of the needle bars, and if so, adjusting the initial position data of the needle bars one by one until the initial position data of all the needle bars are consistent with the actual positions of the needle bars.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210733572.5A CN115125680A (en) | 2022-06-24 | 2022-06-24 | Embroidery machine color changing control system and method |
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| CN202210733572.5A CN115125680A (en) | 2022-06-24 | 2022-06-24 | Embroidery machine color changing control system and method |
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| CN202210733572.5A Pending CN115125680A (en) | 2022-06-24 | 2022-06-24 | Embroidery machine color changing control system and method |
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| CN206486686U (en) * | 2017-02-06 | 2017-09-12 | 浙江越隆缝制设备有限公司 | The direct-connected system of towel embroidery machine H axles |
| CN209989552U (en) * | 2019-03-25 | 2020-01-24 | 浙江越隆缝制设备有限公司 | Wrong-report-proof lead screw color changing device |
| CN113604996A (en) * | 2021-09-15 | 2021-11-05 | 汝州玛雅机电科技有限公司 | Embroidery machine color changing control method and electronic equipment |
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