CN113957625A - Needle number acquisition device of industrial sewing machine and piece counting method thereof - Google Patents
Needle number acquisition device of industrial sewing machine and piece counting method thereof Download PDFInfo
- Publication number
- CN113957625A CN113957625A CN202111261396.1A CN202111261396A CN113957625A CN 113957625 A CN113957625 A CN 113957625A CN 202111261396 A CN202111261396 A CN 202111261396A CN 113957625 A CN113957625 A CN 113957625A
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- photoelectric sensor
- permanent magnet
- needle
- fixedly connected
- sewing machine
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- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B55/00—Needle holders; Needle bars
- D05B55/14—Needle-bar drives
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06M—COUNTING MECHANISMS; COUNTING OF OBJECTS NOT OTHERWISE PROVIDED FOR
- G06M1/00—Design features of general application
- G06M1/27—Design features of general application for representing the result of count in the form of electric signals, e.g. by sensing markings on the counter drum
- G06M1/272—Design features of general application for representing the result of count in the form of electric signals, e.g. by sensing markings on the counter drum using photoelectric means
Abstract
The invention provides a needle number acquisition device of an industrial sewing machine and a counting method thereof, relating to the field of garment processing and comprising a needle rod arranged on the sewing machine and a driving mechanism used for driving the needle rod to move up and down, wherein the driving mechanism comprises a driving motor, a rotating rod, a limiting post, a limiting frame, a connecting plate and a cross rod, one end of the rotating rod is fixedly connected with an output shaft of the driving motor, one end of the rotating rod far away from the driving motor is fixedly connected with the limiting post, the limiting frame is sleeved outside the limiting post, and the limiting frame is of a rectangular frame structure. According to the needle number acquisition device of the industrial sewing machine and the piece counting method of the needle number acquisition device, the needle number can be recorded only by one movement which is completed by triggering the first photoelectric sensor to move upwards after the needle rod moves downwards to trigger the second photoelectric sensor by setting the limiting frame, the first photoelectric sensor and the second photoelectric sensor, so that the needle number can be recorded more accurately, and the error is smaller.
Description
Technical Field
The invention relates to the technical field of garment processing, in particular to a needle number acquisition device of an industrial sewing machine and a piece counting method thereof.
Background
Along with the global development trend of economy, the cost of single-product manufacturing cost of traditional garment processing type enterprises is higher and higher, the processing profit is lower and lower, in addition, the problems that the order production progress can not be known in real time to entrusted processing companies, which orders are being produced and the efficiency condition of each process can not be known in real time are obvious, and the improvement of the production efficiency through informatization modification becomes one of effective means for improving the overall profit rate of processing factories and entrusted companies and the management of processing factory production personnel and machines.
According to a device for acquiring the needle number of the industrial sewing machine and a piece counting method provided by the Chinese patent No. CN201811506489.4, the comparison file comprises a relative moving mechanism of the sewing machine, and further comprises a needle number acquisition sensor assembly, a signal processing unit and a server, wherein the needle number acquisition sensor assembly is arranged on the relative moving mechanism of the sewing machine and is connected with the signal processing unit, and the signal processing unit acquires the needle number acquisition sensor data and sends the data to the server.
However, the device and the method for counting the number of needles of the industrial sewing machine, which are proposed in the reference document, only mount the needle number sensor on the needle bar to count the number of needles, and the needle number is not accurate enough to count, so that errors are easy to generate.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a needle number acquisition device of an industrial sewing machine and a piece counting method thereof, which can calculate the needle number more accurately, and solves the problems in the background technology.
(II) technical scheme
In order to achieve the purpose, the invention is realized by the following technical scheme: the utility model provides an industrial sewing machine's needle number collection system, is including installing needle bar on sewing machine, the actuating mechanism who is used for driving needle bar up-and-down motion, actuating mechanism includes driving motor, rotary rod, spacing post, spacing frame, connecting plate, horizontal pole, the one end of rotary rod and driving motor's output shaft fixed connection, driving motor's one end and spacing post fixed connection are kept away from to the rotary rod, the outside of spacing post is located to spacing frame cover, spacing frame is rectangular frame shape structure, and the length of spacing frame is not less than the twice of rotary rod, spacing frame is the level setting, one side and the connecting plate fixed connection of spacing frame, the one end and the connecting plate fixed connection of horizontal pole, the other end and the needle bar fixed connection of horizontal pole, the outside of spacing frame is provided with needle number collection mechanism.
Preferably, the axis of the cross bar coincides with the axis of the output shaft of the drive motor.
Preferably, the needle number acquisition mechanism comprises side plates, a bottom plate, a top plate, a first photoelectric sensor, a second photoelectric sensor, a PLC (programmable logic controller), a counter, a first stop block and a second stop block, wherein the side plates are arranged into two, the two side plates are respectively and symmetrically arranged on two sides of a limiting frame, the top of each side plate is fixedly connected with the top plate, the bottom of each side plate is fixedly connected with the bottom plate, the first photoelectric sensor is arranged below the top plate, the top of the limiting frame is fixedly connected with the first stop block used for shielding the first photoelectric sensor, the second photoelectric sensor is arranged above the bottom plate, the bottom of the limiting frame is fixedly connected with the second stop block used for shielding the second photoelectric sensor, the first photoelectric sensor and the second photoelectric sensor are electrically connected with the PLC, and the PLC is electrically connected with the counter.
Preferably, the first photosensor and the second photosensor have the same structure, and a distance between the first photosensor and the top plate is the same as a distance between the second photosensor and the bottom plate.
Preferably, the first photoelectric sensor comprises a light emitting end and a receiving end, and the light emitting section and the receiving end are fixedly connected to the two side plates respectively.
Preferably, the first stop block is fixedly connected to the top center of the limiting frame, and the second stop block is fixedly connected to the bottom center of the limiting frame.
Preferably, still including being used for making first dog and second dog can not block first photoelectric sensor and second photoelectric sensor's accurate mechanism when stopping the sewing, accurate mechanism includes first permanent magnet, second permanent magnet, third permanent magnet, fourth permanent magnet, first permanent magnet is inlayed in first dog, the second permanent magnet is inlayed in the second dog, third permanent magnet fixed connection is on the roof, fourth permanent magnet fixed connection is on the bottom plate, and first permanent magnet and third permanent magnet are corresponding when spacing frame moves to the highest point, and the second permanent magnet is corresponding with the fourth permanent magnet when spacing frame moves to the lowest point, the top magnetic pole of first permanent magnet is the same with the bottom magnetic pole of third permanent magnet, the bottom magnetic pole of second permanent magnet is the same with the top magnetic pole of fourth permanent magnet.
Preferably, the first permanent magnet, the second permanent magnet, the third permanent magnet and the fourth permanent magnet are all the same in size and shape.
The method for counting the number of the needles of the needle number acquisition device of the industrial sewing machine comprises the steps that when the sewing machine is in sewing, the driving motor rotates to drive the limiting column to do circular motion through the rotating rod, the limiting column drives the limiting frame to do vertical reciprocating motion, the limiting frame drives the needle rod to do vertical reciprocating motion through the connecting plate and the cross rod, when the limiting frame moves to the lowest position, the second stop block shields the second photoelectric sensor, the second photoelectric sensor transmits a signal to the PLC controller, then the limiting frame moves upwards to the highest position, the first stop block shields the first photoelectric sensor, the first photoelectric sensor transmits a signal to the PLC controller, when the PLC controller receives the signals of the first photoelectric sensor and the second photoelectric sensor, the PLC controller controls the counter to increase the number of the needles by one, and when the sewing machine finishes, the counter can record the number of the needles in the whole sewing process, the clothing technology can know that the number of sewing needles of each piece of same clothing is almost the same, the error is not more than a few needles, and the number obtained by dividing the total number of the needles after sewing by the number of the needles required by each piece of clothing is the number of the clothing to be sewn.
(III) advantageous effects
The invention provides a needle number acquisition device of an industrial sewing machine and a piece counting method thereof. The method has the following beneficial effects:
1. according to the needle number acquisition device of the industrial sewing machine and the piece counting method of the needle number acquisition device, the needle number can be recorded only by one movement which is completed by triggering the first photoelectric sensor to move upwards after the needle rod moves downwards to trigger the second photoelectric sensor by setting the limiting frame, the first photoelectric sensor and the second photoelectric sensor, so that the needle number can be recorded more accurately, and the error is smaller.
2. The needle number acquisition device of the industrial sewing machine and the counting method thereof have the advantages that when the sewing of a piece of clothing is stopped, the needle bar stops moving, at the moment, if the limiting frame just moves to the highest position or the lowest position to continuously shield the first photoelectric sensor or the second photoelectric sensor, the first photoelectric sensor or the second photoelectric sensor can possibly fail to correctly record the last needle number of the sewing, through the arrangement of the first permanent magnet, the second permanent magnet, the third permanent magnet and the fourth permanent magnet, when the sewing is stopped, if the limiting frame is at the highest position, under the action of homopolar repulsion, the first permanent magnet can be pushed downwards by the repulsion force of the third permanent magnet under the action of homopolar repulsion, until the first stop block does not shield the first photoelectric sensor, and if the limiting frame is at the lowest position, the limiting frame can move upwards under the action of the second permanent magnet and the fourth permanent magnet until the second photoelectric sensor is not shielded, therefore, the first photoelectric sensor and the second photoelectric sensor can accurately record the last needle number, and the counting is more accurate.
Drawings
FIG. 1 is a perspective view of the structure of the present invention;
FIG. 2 is a schematic view of the driving motor structure of the present invention;
FIG. 3 is a schematic view of a structure of a position-limiting frame according to the present invention;
FIG. 4 is a schematic structural view of a needle number acquisition mechanism according to the present invention;
FIG. 5 is a sectional view of the structure of the needle number collecting mechanism of the present invention.
In the figure: the needle bar 1, the needle number acquisition mechanism 2, the drive mechanism 3, the drive motor 4, the rotary rod 5, the spacing post 6, the cross bar 7, the connecting plate 8, the spacing frame 9, the lateral plate 10, the top plate 11, the bottom plate 12, the first dog of 13, the second dog of 14, the first photoelectric sensor of 15, the second photoelectric sensor of 16, the second permanent magnet of 17, the third permanent magnet of 18, the fourth permanent magnet of 19, the first permanent magnet of 20.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
The embodiment of the invention provides a needle number acquisition device of an industrial sewing machine and a counting method thereof, as shown in figures 1-5, the needle number acquisition device comprises a needle bar 1 arranged on the sewing machine and a driving mechanism 3 used for driving the needle bar 1 to move up and down, the driving mechanism 3 comprises a driving motor 4, a rotating rod 5, a limiting post 6, a limiting frame 9, a connecting plate 8 and a cross rod 7, one end of the rotating rod 5 is fixedly connected with an output shaft of the driving motor 4, one end of the rotating rod 5 far away from the driving motor 4 is fixedly connected with the limiting post 6, the limiting frame 9 is sleeved outside the limiting post 6, the limiting frame 9 is a rectangular frame-shaped structure, the length of the limiting frame 9 is not less than twice of that of the rotating rod 5, the limiting frame 9 is horizontally arranged, one side of the limiting frame 9 is fixedly connected with the connecting plate 8, one end of the cross rod 7 is fixedly connected with the connecting plate 8, the other end of the cross rod 7 is fixedly connected with the needle bar 1, the outside of the limit frame 9 is provided with a needle number acquisition mechanism 2.
The axis of the cross bar 7 coincides with the axis of the output shaft of the drive motor 4.
The needle number acquisition mechanism 2 comprises two side plates 10, a bottom plate 12, a top plate 11, a first photoelectric sensor 15, a second photoelectric sensor 16, a PLC controller, a counter, a first stop block 13 and a second stop block 14, and two blocks of curb plates 10 symmetry respectively set up in the both sides of spacing frame 9, the top and the roof 11 fixed connection of curb plate 10, the bottom and the bottom plate 12 fixed connection of curb plate 10, the below of roof 11 is provided with first photoelectric sensor 15, the top fixedly connected with of spacing frame 9 is used for sheltering from first dog 13 of first photoelectric sensor 15, the top of bottom plate 12 is provided with second photoelectric sensor 16, the bottom fixedly connected with of spacing frame 9 is used for sheltering from second dog 14 of second photoelectric sensor 16, first photoelectric sensor 15 and second photoelectric sensor 16 all with PLC controller electric connection, and PLC controller and counter electric connection.
Through the setting of spacing frame 9, first photoelectric sensor 15 and second photoelectric sensor 16 for the record needle number needs needle bar 1 downstream to trigger behind second photoelectric sensor 16 the upward movement trigger first photoelectric sensor 15 and carry out the motion of accomplishing at every turn and just can record the needle number, thereby guarantees the record more accurate of needle number, and the error is less.
The first photosensor 15 and the second photosensor 16 have the same structure, and the distance between the first photosensor 15 and the top plate 11 is the same as the distance between the second photosensor 16 and the bottom plate 12.
The first photo sensor 15 includes a light emitting end and a receiving end, and the light emitting section and the receiving end are respectively fixedly connected to the two side plates 10.
The first stopper 13 is fixedly connected to the top center of the position limiting frame 9, and the second stopper 14 is fixedly connected to the bottom center of the position limiting frame 9.
The sewing machine also comprises a precise mechanism used for preventing the first stop block 13 and the second stop block 14 from blocking the first photoelectric sensor 15 and the second photoelectric sensor 16 when sewing is stopped, the precise mechanism comprises a first permanent magnet 20, a second permanent magnet 17, a third permanent magnet 18 and a fourth permanent magnet 19, the first permanent magnet 20 is embedded in the first stop block 13, the second permanent magnet 17 is embedded in the second stop block 14, the third permanent magnet 18 is fixedly connected on the top plate 11, the fourth permanent magnet 19 is fixedly connected on the bottom plate 12, and when the limit frame 9 moves to the highest position, the first permanent magnet 20 corresponds to the third permanent magnet 18, when the limiting frame 9 moves to the lowest position, the second permanent magnet 17 corresponds to the fourth permanent magnet 19, the top magnetic pole of the first permanent magnet 20 is the same as the bottom magnetic pole of the third permanent magnet 18, and the bottom magnetic pole of the second permanent magnet 17 is the same as the top magnetic pole of the fourth permanent magnet 19.
The first permanent magnet 20, the second permanent magnet 17, the third permanent magnet 18, and the fourth permanent magnet 19 are all the same in size and shape.
When the sewing of a piece of clothing is finished and the sewing is stopped, the needle rod 1 stops moving, if the limit frame 9 just moves to the highest position or the lowest position to continuously shield the first photoelectric sensor 15 or the second photoelectric sensor 16, the limit frame 9 can possibly cause that the first photoelectric sensor 15 or the second photoelectric sensor 16 cannot correctly record the last needle number of the sewing, and through the arrangement of the first permanent magnet 20, the second permanent magnet 17, the third permanent magnet 18 and the fourth permanent magnet 19, when the sewing is stopped, if the limit frame 9 is at the highest position, under the action of homopolar repulsion, the first permanent magnet 20 can receive the repulsion force of the third permanent magnet 18 to push the limit frame 9 downwards until the first stop block 13 does not shield the first photoelectric sensor 15, and if the limit frame is at the lowest position, the limit frame 9 can move upwards under the action of the second permanent magnet 17 and the fourth permanent magnet 19 until the second photoelectric sensor 16 is not shielded, therefore, the first photoelectric sensor 15 and the second photoelectric sensor 16 can accurately record the last needle number, and the counting is more accurate.
The method for counting the number of the pieces of the needle number acquisition device of the industrial sewing machine comprises the steps that when the industrial sewing machine is sewn, the driving motor 4 rotates, the limiting column 6 is driven to do circular motion through the rotating rod 5, the limiting column 6 drives the limiting frame 9 to do vertical reciprocating motion, the limiting frame 9 drives the needle rod 1 to do vertical reciprocating motion through the connecting plate 8 and the cross rod 7, when the limiting frame 9 moves to the lowest position, the second stop block 14 shields the second photoelectric sensor 16, the second photoelectric sensor 16 transmits a signal to the PLC controller, the limiting frame 9 moves upwards to the highest position, the first stop block 13 shields the first photoelectric sensor 15, the first photoelectric sensor 15 transmits a signal to the PLC controller, and when the PLC controller receives signals of the first photoelectric sensor 15 and the second photoelectric sensor 16, the PLC controller controls the counter to increase the number of the needles by one, after sewing, the counter can record the number of needles in the whole sewing process, the clothing process can know that the number of sewing needles of each piece of same clothing is almost the same, the error is less than a few needles, and the number obtained by dividing the total number of the needles after sewing by the number of the needles required by each piece of clothing is the number of the clothing to be sewn.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. The utility model provides an industry sewing machine's needle number collection system, is including installing needle bar (1) on sewing machine, being used for driving drive mechanism (3) of needle bar (1) up-and-down motion, its characterized in that: the driving mechanism (3) comprises a driving motor (4), a rotating rod (5), a limiting column (6), a limiting frame (9), a connecting plate (8) and a cross rod (7), one end of the rotating rod (5) is fixedly connected with an output shaft of the driving motor (4), one end of the rotating rod (5) far away from the driving motor (4) is fixedly connected with a limiting post (6), the limiting frame (9) is sleeved outside the limiting column (6), the limiting frame (9) is of a rectangular frame-shaped structure, the length of the limiting frame (9) is not less than twice of the rotating rod (5), the limiting frame (9) is horizontally arranged, one side of the limiting frame (9) is fixedly connected with the connecting plate (8), one end of the cross rod (7) is fixedly connected with the connecting plate (8), the other end of the cross rod (7) is fixedly connected with the needle rod (1), and a needle number acquisition mechanism (2) is arranged on the outer side of the limiting frame (9).
2. The needle count collecting device of an industrial sewing machine according to claim 1, characterized in that: the axis of the cross rod (7) is superposed with the axis of the output shaft of the driving motor (4).
3. The needle count collecting device of an industrial sewing machine according to claim 2, characterized in that: the needle number acquisition mechanism (2) comprises side plates (10), a bottom plate (12), a top plate (11), a first photoelectric sensor (15), a second photoelectric sensor (16), a PLC (programmable logic controller), a counter, a first stop block (13) and a second stop block (14), wherein the side plates (10) are arranged in two, the two side plates (10) are respectively and symmetrically arranged at two sides of a limit frame (9), the top of each side plate (10) is fixedly connected with the top plate (11), the bottom of each side plate (10) is fixedly connected with the bottom plate (12), the first photoelectric sensor (15) is arranged below the top plate (11), the first stop block (13) used for shielding the first photoelectric sensor (15) is fixedly connected to the top of the limit frame (9), the second photoelectric sensor (16) is arranged above the bottom plate (12), the second stop block (14) used for shielding the second photoelectric sensor (16) is fixedly connected to the bottom of the limit frame (9), the first photoelectric sensor (15) and the second photoelectric sensor (16) are both electrically connected with the PLC, and the PLC is electrically connected with the counter.
4. The needle count collecting device of an industrial sewing machine according to claim 3, characterized in that: the first photoelectric sensor (15) and the second photoelectric sensor (16) are identical in structure, and the distance between the first photoelectric sensor (15) and the top plate (11) is identical to the distance between the second photoelectric sensor (16) and the bottom plate (12).
5. The needle count collecting device of an industrial sewing machine according to claim 4, characterized in that: the first photoelectric sensor (15) comprises a light-emitting end and a receiving end, and the light-emitting section and the receiving end are fixedly connected to the two side plates (10) respectively.
6. The needle count collecting device of an industrial sewing machine according to claim 5, characterized in that: the first stop block (13) is fixedly connected to the top center of the limiting frame (9), and the second stop block (14) is fixedly connected to the bottom center of the limiting frame (9).
7. The needle count collecting device of an industrial sewing machine according to claim 6, characterized in that: the sewing machine further comprises an accurate mechanism used for enabling the first stop block (13) and the second stop block (14) not to block the first photoelectric sensor (15) and the second photoelectric sensor (16) when sewing is stopped, the accurate mechanism comprises a first permanent magnet (20), a second permanent magnet (17), a third permanent magnet (18) and a fourth permanent magnet (19), the first permanent magnet (20) is embedded in the first stop block (13), the second permanent magnet (17) is embedded in the second stop block (14), the third permanent magnet (18) is fixedly connected to the top plate (11), the fourth permanent magnet (19) is fixedly connected to the bottom plate (12), the first permanent magnet (20) corresponds to the third permanent magnet (18) when the limiting frame (9) moves to the highest position, and the second permanent magnet (17) corresponds to the fourth permanent magnet (19) when the limiting frame (9) moves to the lowest position, the top magnetic pole of the first permanent magnet (20) is the same as the bottom magnetic pole of the third permanent magnet (18), and the bottom magnetic pole of the second permanent magnet (17) is the same as the top magnetic pole of the fourth permanent magnet (19).
8. The needle count collecting device of an industrial sewing machine according to claim 7, characterized in that: the first permanent magnet (20), the second permanent magnet (17), the third permanent magnet (18) and the fourth permanent magnet (19) are identical in size and shape.
9. A method of counting a number of needles of a needle collecting device of an industrial sewing machine according to any one of claims 1 to 8, comprising: when sewing, the driving motor (4) rotates to drive the limit post (6) to do circular motion through the rotating rod (5), the limit post (6) drives the limit frame (9) to do up-and-down reciprocating motion, the limit frame (9) drives the needle rod (1) to do up-and-down reciprocating motion through the connecting plate (8) and the cross rod (7), when the limit frame (9) moves to the lowest position, the second stop block (14) blocks the second photoelectric sensor (16), at the moment, the second photoelectric sensor (16) transmits a signal to the PLC controller, then the limit frame (9) moves upwards to the highest position, at the moment, the first stop block (13) blocks the first photoelectric sensor (15), the first photoelectric sensor (15) transmits a signal to the PLC controller, and after the PLC controller receives signals of the first photoelectric sensor (15) and the second photoelectric sensor (16), the PLC controller controls the counter to increase a needle number by one digit, after sewing, the counter can record the number of needles in the whole sewing process, the clothing process can know that the number of sewing needles of each piece of same clothing is almost the same, the error is less than a few needles, and the number obtained by dividing the total number of the needles after sewing by the number of the needles required by each piece of clothing is the number of the clothing to be sewn.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111261396.1A CN113957625B (en) | 2021-10-28 | 2021-10-28 | Needle number acquisition device of industrial sewing machine and counting method thereof |
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| CN202111261396.1A CN113957625B (en) | 2021-10-28 | 2021-10-28 | Needle number acquisition device of industrial sewing machine and counting method thereof |
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| CN113957625B CN113957625B (en) | 2022-12-02 |
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| CN112301574A (en) * | 2020-10-14 | 2021-02-02 | 广州天可科技有限公司 | Knitting line threading detection device with alarm function |
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| US4192243A (en) * | 1978-10-02 | 1980-03-11 | Levi Strauss & Co. | Sewing machine thread monitor |
| JP2002102568A (en) * | 2001-08-24 | 2002-04-09 | Juki Corp | Button holding sewing machine |
| JP2009219780A (en) * | 2008-03-18 | 2009-10-01 | Juki Corp | Two-needle sewing machine |
| CN201241245Y (en) * | 2008-08-01 | 2009-05-20 | 冯加林 | Counting device of transverse braiding handpiece transportation load by photoelectric induction |
| CN102943352A (en) * | 2012-12-05 | 2013-02-27 | 苏磊 | Thick stuff sewing machine |
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| CN112301574A (en) * | 2020-10-14 | 2021-02-02 | 广州天可科技有限公司 | Knitting line threading detection device with alarm function |
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|---|---|
| CN113957625B (en) | 2022-12-02 |
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