CN115608781A - Automatic sewing device for strip continuous production line and control method - Google Patents
Automatic sewing device for strip continuous production line and control method Download PDFInfo
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- CN115608781A CN115608781A CN202211306155.9A CN202211306155A CN115608781A CN 115608781 A CN115608781 A CN 115608781A CN 202211306155 A CN202211306155 A CN 202211306155A CN 115608781 A CN115608781 A CN 115608781A
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- strip
- photoelectric switch
- sewing machine
- sewing
- tail
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B15/00—Arrangements for performing additional metal-working operations specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
- B21B15/0085—Joining ends of material to continuous strip, bar or sheet
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B37/00—Control devices or methods specially adapted for metal-rolling mills or the work produced thereby
- B21B37/005—Control of time interval or spacing between workpieces
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B38/00—Methods or devices for measuring, detecting or monitoring specially adapted for metal-rolling mills, e.g. position detection, inspection of the product
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- Mechanical Engineering (AREA)
- Sewing Machines And Sewing (AREA)
Abstract
The invention relates to an automatic sewing device for a strip continuous production line, which comprises a first strip passing line and a second strip passing line, wherein the first strip passing line and the second strip passing line are crossed on the strip sewing line, the strip sewing line is provided with a first photoelectric switch and a second photoelectric switch at the inlet side of a sewing machine, and the first photoelectric switch and the second photoelectric switch are arranged in front of and behind each other and are electrically connected to a controller. By combining time sequence control and transmission control, the sewing function of the whole flow can be realized, and the automatic sewing function of the belt head of the first belt material passing the wire and the belt tail of the second belt material passing the wire can also be realized, so that the influence of human factors is reduced, the sewing quality is improved, and the continuous operation of the belt materials is ensured.
Description
Technical Field
The invention relates to an automatic sewing device for a strip continuous production line and a control method, which are suitable for continuous production lines needing sewing in the metal processing industry.
Background
In the actual production of the continuous production line, when the previous roll is produced, the tail part of the previous roll is stopped at the inlet scissors, the operator needs to manually operate to feed the strip to the vicinity of the sewing machine, and when the operator prepares the next roll and cuts off the redundant head part, the operator manually feeds the head strip of the next roll to the vicinity of the sewing machine. Because the requirement on the sewing quality in a continuous production line is higher, the risk of belt breakage is increased if the sewing quality is poor; the manipulator needs to adjust the tail of the previous roll and the head of the next roll back and forth to adapt to the position of the sewing machine die on the one hand, and needs to adjust the tail of the previous roll and the head of the next roll according to the position of the tail of the previous roll and the head of the next roll on the other hand to ensure that the sewing lap joint of the tail and the head tends to be in the middle. The method is limited by the personal experience of operators and the cooperation between team personnel, and the quality of the sewing head cannot be guaranteed due to the fact that solidification cannot be carried out.
Disclosure of Invention
In view of the shortcomings of the prior art, the technical problem to be solved by the invention is to provide an automatic sewing device and a control method for a strip continuous production line.
In order to solve the technical problems, the technical scheme of the invention is as follows: the utility model provides a be used for automatic suturing device of strip continuous production line, includes that first strip passes through the line and passes through the line with the second strip, first strip passes through the line and crosses on the strip sewing line with the second strip, the strip sewing line is provided with first photoelectric switch and second photoelectric switch in the entry side of sewing machine, and first photoelectric switch sets up and electric connection to controller around with the second photoelectric switch.
Preferably, the first strip passing line comprises a first uncoiler, a first pinch roller set, a first straight head machine, a second pinch roller set, a first shear and a third pinch roller set which are sequentially arranged from back to front along the conveying direction of the strip.
Preferably, the second strip passing line comprises a second uncoiler, a fourth pinch roller set, a second straight head machine, a fifth pinch roller set and second scissors which are sequentially arranged from back to front along the conveying direction of the strip.
Preferably, the first strip pass line and the second strip pass line meet at a sixth pinch roller set on the strip sewing line.
Preferably, the strip sewing line comprises a deviation correcting roller set, a first photoelectric switch, a second photoelectric switch, a sewing machine and a seventh pinch roller set which are sequentially arranged from back to front along the conveying direction of the strip.
Preferably, a sewing machine die is provided inside the sewing machine, and the sewing machine die is positioned on the back of the unwinding side and on the front of the winding side.
A control method for an automatic sewing device of a continuous strip production line comprises the following steps:
(I) parameter setting:
the speed V1 (m/min) of threading at the inlet section is the normal preset threading speed;
adjusting the speed V2 (m/min) at the inlet section to be a preset micro-adjustment speed;
the distance AC from the first scissors to the position of the first photoelectric switch is L1 (m);
the distance BC from the second scissors to the position of the first photoelectric switch is L2 (m);
the distance CD from the first photoelectric switch position to the second photoelectric switch position is L3 (m);
the distance DE from the position of the second photoelectric switch to the position of the sewing machine mold close to the uncoiling side is L4 (m);
a distance DF from the second photoelectric switch position to the position of the stitcher die near the take-up side is L5 (m);
when the tail of the previous roll of strip material stops at the first scissors, the manipulator presses a start key of the tail feeding machine:
(1) The tail of the previous tape is sent to the vicinity of the sewing machine
The first step is as follows: the strip is clamped by a pinch roll and starts to move forwards at an inlet threading speed V1 until the strip tail reaches a first photoelectric switch (changed from 1 to 0), the automatic step time is t1= L1/V1, and the strip tail is positioned between the first photoelectric switch and a second photoelectric switch;
the second step is that: the strip starts to move forwards at the speed V2 adjusted by the inlet section until the strip reaches a second photoelectric switch (changed from 1 to 0), and at the moment, the tail of the strip can just lie on the edge of the inlet of the sewing machine because the strip slightly lies on the lower side;
(2) Realize that the next tape head is sent to the position of the sewing machine mould close to the coiling side
The first step is as follows: the strip is clamped by the pinch roll and starts to move forwards at an inlet threading speed V1 until a strip head reaches a first photoelectric switch (from 0 to 1), the time of automatic step is t2= L2/V1, and the strip head is positioned between the first photoelectric switch and a second photoelectric switch;
the second step is that: the strip starts to move forwards at the speed V2 adjusted at the inlet section, fine adjustment is started after the strip passes through a second photoelectric switch (from 0 to 1), the strip head smoothly passes through the tail of the last strip lying on the edge of the inlet of the sewing machine and reaches the position, close to the coiling side, of the mold of the sewing machine, and the adjustment time length is t3= L5/V2;
(3) The position of the last coiling tail close to the uncoiling side of the sewing machine mould is realized
The position where the last tape tail stays at this moment is the edge position of the sewing machine, namely the position of the second photoelectric switch, the distance from the position to the position, close to the uncoiling side, of the inlet sewing machine die is L4, the tape tail moves forwards according to the adjustment of the inlet section V2, and the adjustment time length is t4= L4/V2;
(4) Detecting and adjusting the position of a strip
At the moment, the position of the belt head is detected by a belt material detection frame on a belt material suture line, and the hydraulic control deviation rectifying roller set is used until the belt tail tends to be in the middle (the belt head is in an error range);
(5) Executing the stitching action to realize stitching
And controlling the sewing machine to start executing sewing action to sew the tail of the previous tape roll and the head of the next tape roll.
Compared with the prior art, the invention has the following beneficial effects: by combining time sequence control and transmission control, the sewing function of the whole flow can be realized, and the automatic sewing function of the belt head of the first belt material passing the wire and the belt tail of the second belt material passing the wire can also be realized, so that the influence of human factors is reduced, the sewing quality is improved, and the continuous operation of the belt materials is ensured.
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Drawings
FIG. 1 is a schematic configuration diagram of an embodiment of the present invention.
FIG. 2 is a schematic view showing the passing form of the head and tail of the sewing machine inlet edge.
Detailed Description
The invention is further explained below with reference to the drawings and the embodiments.
It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the disclosure. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an", and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
As shown in fig. 1~2, the present embodiment provides an automatic sewing device for a continuous strip production line, which includes a first strip passing line 1 and a second strip passing line 2, where the first strip passing line and the second strip passing line intersect on a strip sewing line 3, the strip sewing line is provided with a first photoelectric switch 5 and a second photoelectric switch 6 on an inlet side of a sewing machine 4, and the first photoelectric switch and the second photoelectric switch are arranged in front of and behind and electrically connected to a controller.
In the embodiment of the invention, the first strip passing line comprises a first uncoiler 7, a first pinch roller set 8, a first straight machine 9, a second pinch roller set 10, a first shear 11 and a third pinch roller set 12 which are sequentially arranged from back to front along the conveying direction of the strip.
In the embodiment of the present invention, the second strip passing line includes a second uncoiler 13, a fourth pinch roller set 14, a second straight machine 15, a fifth pinch roller set 16, and a second shear 17, which are sequentially arranged from back to front along the conveying direction of the strip.
The uncoiler can uncoil the coiled material from a coil shape into a belt shape and is driven by a transmission motor. The pinch roll group can clamp the strip, is provided with a front strip feeding part and a rear strip feeding part, and is driven by a transmission motor. The straight head machine can primarily correct the shape of the strip, and controls the upwarp or the downward pressing of the strip tail and the strip head.
In an embodiment of the present invention, the first strip pass line and the second strip pass line meet at the sixth pinch roller set 18 at the strip line.
In the embodiment of the present invention, the tape sewing line includes a deviation correcting roller set 19, a first photoelectric switch, a second photoelectric switch, a sewing machine, and a seventh pinch roller set 20, which are sequentially arranged from back to front along the conveying direction of the tape. The deviation correcting roller group can clamp the strip to move to the operation side or the transmission side according to the position of the strip and is controlled by hydraulic pressure.
In the embodiment of the present invention, a sewing machine die 21 is provided inside the sewing machine, and the unwinding side of the sewing machine die is the rear side and the winding side is the front side.
A control method for an automatic sewing device of a continuous strip production line comprises the following steps:
assuming that the coil (previous roll) of the first unwinder has finished being produced and the strip tail has stopped at the first scissors and the plate has been corrected using the first straight-head machine, a slight push-down is achieved, the coil (next roll) of the second unwinder has been already fed and the head has stopped at the second scissors and the plate has been corrected using the second straight-head machine, a slight lift-up is achieved, i.e. an automatic stitching of the strip head 22 of the first strip pass line and the strip tail 23 of the second strip pass line is to be achieved.
(I) parameter setting:
the speed V1 (m/min) of threading at the inlet section is the normal preset threading speed;
the adjusting speed V2 (m/min) of the inlet section is a preset micro-adjusting speed which is as small as possible;
the distance AC from the first scissors to the position of the first photoelectric switch is L1 (m);
the distance BC from the second scissors to the position of the first photoelectric switch is L2 (m);
the distance CD from the first photoelectric switch position to the second photoelectric switch position is L3 (m);
the distance DE from the second photoelectric switch position to the position of the sewing machine die close to the uncoiling side is L4 (m);
a distance DF from the second photoelectric switch position to the position of the stitcher die near the take-up side is L5 (m);
when the tail of the previous roll of strip material stops at the first scissors, the manipulator presses a start key of the tail feeding machine:
(1) The tail of the previous tape is delivered to the vicinity of the sewing machine
The first step is as follows: the strip is clamped by a pinch roll and starts to move forwards at an inlet threading speed V1 until the strip tail reaches a first photoelectric switch (changed from 1 to 0), the time of automatic step is t1= L1/V1, and the strip tail is positioned between the first photoelectric switch and a second photoelectric switch;
the second step is that: the strip starts to move forwards at the speed V2 adjusted by the inlet section until the strip reaches a second photoelectric switch (changed from 1 to 0), and at the moment, the tail of the strip can just lie on the edge of the inlet of the sewing machine because the strip slightly lies on the lower side;
(2) Realize that the next tape head is sent to the position of the sewing machine mould close to the coiling side
The first step is as follows: the strip is clamped by the pinch roll and starts to move forwards at an inlet threading speed V1 until a strip head reaches a first photoelectric switch (from 0 to 1), the time of automatic step is t2= L2/V1, and the strip head is positioned between the first photoelectric switch and a second photoelectric switch;
the second step is that: the strip starts to move forwards at the speed V2 adjusted at the inlet section, fine adjustment is started after the strip passes through a second photoelectric switch (from 0 to 1), the strip head smoothly passes through the tail of the last strip lying on the edge of the inlet of the sewing machine and reaches the position, close to the coiling side, of the mold of the sewing machine, and the adjustment time length is t3= L5/V2;
(3) The tail of the last winding belt is sent to the position of the sewing machine mould close to the uncoiling side
The position where the last tape tail stays at this moment is the edge position of the sewing machine, namely the position of the second photoelectric switch, the distance from the position to the position, close to the uncoiling side, of the inlet sewing machine die is L4, the tape tail moves forwards according to the adjustment of the inlet section V2, and the adjustment time length is t4= L4/V2;
(4) Detecting and adjusting the position of a strip
At the moment, a belt material detection frame on a belt material suture line detects the position of a belt head, and a hydraulic control deviation rectifying roller set is used until a belt tail tends to be in the middle (if the error is 5mm by definition); if the belt head is detected to be 10mm above the transmission side, the deviation correcting roller is required to be controlled to clamp the belt material to move 10mm or more to the operation side until the belt head is within an error range.
(5) Executing the stitching action to realize stitching
And controlling the sewing machine to start executing sewing action to sew the tail of the previous tape roll and the head of the next tape roll.
The full-flow automatic sewing function can be realized by combining time sequence control and transmission control. And similarly, the function of automatically sewing the head of the belt material of the first belt material passing thread and the tail of the belt material of the second belt material passing thread can be realized.
The foregoing is directed to preferred embodiments of the present invention, other and further embodiments of the invention may be devised without departing from the basic scope thereof, and the scope thereof is determined by the claims that follow. However, any simple modification, equivalent change and modification of the above embodiments according to the technical essence of the present invention will still fall within the protection scope of the technical solution of the present invention.
Claims (7)
1. The utility model provides a be used for automatic suturing device of continuous production line of strip which characterized in that: the sewing machine comprises a first strip and a second strip, wherein the first strip and the second strip are crossed through a line, the first strip and the second strip are crossed on a strip sewing line, a first photoelectric switch and a second photoelectric switch are arranged on the inlet side of the sewing machine of the strip sewing line, and the first photoelectric switch and the second photoelectric switch are arranged in front and at the back and are electrically connected to a controller.
2. The automatic sewing device for a continuous strip production line according to claim 1, wherein: the first strip passing line comprises a first uncoiler, a first pinch roller set, a first straight head machine, a second pinch roller set, a first shear and a third pinch roller set which are sequentially arranged from back to front along the conveying direction of the strip.
3. The automatic sewing device for a continuous strip production line according to claim 1, wherein: the second strip passing line comprises a second uncoiler, a fourth pinch roller set, a second straight head machine, a fifth pinch roller set and second scissors which are sequentially arranged from back to front along the conveying direction of the strip.
4. The automatic sewing device for continuous strip production line according to claim 1, characterized in that: and the first strip passing line and the second strip passing line are intersected with the sixth pinch roll group on the strip sewing line.
5. The automatic sewing device for a continuous strip production line according to claim 1, wherein: the strip sewing line comprises a deviation correcting roller set, a first photoelectric switch, a second photoelectric switch, a sewing machine and a seventh pinch roller set which are sequentially arranged from back to front along the conveying direction of the strip.
6. The automatic sewing device for a continuous strip production line according to claim 1, wherein: the sewing machine is characterized in that a sewing machine die is arranged in the sewing machine, and the uncoiling side and the coiling side of the sewing machine die are in the back and in the front respectively.
7. A control method for an automatic sewing machine for a continuous strip material line according to any one of claims 1 to 6, characterized by comprising the steps of:
(I) parameter setting:
the speed V1 (m/min) of threading at the inlet section is the normal preset threading speed;
adjusting the speed V2 (m/min) at the inlet section to be a preset micro-adjustment speed;
the distance AC from the first scissors to the position of the first photoelectric switch is L1 (m);
the distance BC from the second scissors to the position of the first photoelectric switch is L2 (m);
the distance CD from the first photoelectric switch position to the second photoelectric switch position is L3 (m);
the distance DE from the position of the second photoelectric switch to the position of the sewing machine mold close to the uncoiling side is L4 (m);
the distance DF from the position of the second photoelectric switch to the position of the sewing machine die close to the coiling side is L5 (m);
when the tail of the previous strip stops at the first scissors, the operator presses the start key of the strip tail feeding machine:
(1) The tail of the previous tape is sent to the vicinity of the sewing machine
The first step is as follows: the strip is clamped by a pinch roll and starts to move forwards at an inlet threading speed V1 until the strip tail reaches a first photoelectric switch (changed from 1 to 0), the time of automatic step is t1= L1/V1, and the strip tail is positioned between the first photoelectric switch and a second photoelectric switch;
the second step is that: the strip starts to move forwards at the speed V2 adjusted by the inlet section until the strip reaches a second photoelectric switch (changed from 1 to 0), and at the moment, the tail of the strip can just lie on the edge of the inlet of the sewing machine because the strip slightly lies on the lower side;
(2) The next coiling head is delivered to the position of the sewing machine mould close to the coiling side
The first step is as follows: the strip is clamped by the pinch roll and starts to move forwards at an inlet threading speed V1 until a strip head reaches a first photoelectric switch (from 0 to 1), the time of automatic step is t2= L2/V1, and the strip head is positioned between the first photoelectric switch and a second photoelectric switch;
the second step is that: the strip starts to move forwards at the speed V2 adjusted at the inlet section, fine adjustment is started after the strip passes through a second photoelectric switch (from 0 to 1), the strip head smoothly passes through the tail of the last strip lying on the edge of the inlet of the sewing machine and reaches the position, close to the coiling side, of the mold of the sewing machine, and the adjustment time length is t3= L5/V2;
(3) The position of the last coiling tail close to the uncoiling side of the sewing machine mould is realized
The position where the last tape tail stays at this moment is the edge position of the sewing machine, namely the position of the second photoelectric switch, the distance from the position to the position, close to the uncoiling side, of the inlet sewing machine die is L4, the tape tail moves forwards according to the adjustment of the inlet section V2, and the adjustment time length is t4= L4/V2;
(4) Detecting and adjusting the position of a strip
At the moment, the position of the belt head is detected by a belt material detection frame on a belt material suture line, and the hydraulic control deviation rectifying roller set is used until the belt tail tends to be in the middle (the belt head is in an error range);
(5) Executing the stitching action to realize stitching
And controlling the sewing machine to start executing sewing action to sew the tail of the previous tape roll and the head of the next tape roll.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211306155.9A CN115608781A (en) | 2022-10-25 | 2022-10-25 | Automatic sewing device for strip continuous production line and control method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211306155.9A CN115608781A (en) | 2022-10-25 | 2022-10-25 | Automatic sewing device for strip continuous production line and control method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115608781A true CN115608781A (en) | 2023-01-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211306155.9A Pending CN115608781A (en) | 2022-10-25 | 2022-10-25 | Automatic sewing device for strip continuous production line and control method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115608781A (en) |
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2022
- 2022-10-25 CN CN202211306155.9A patent/CN115608781A/en active Pending
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