CN110318172B - Belt feeding device, belt feeding method and sewing equipment - Google Patents
Belt feeding device, belt feeding method and sewing equipment Download PDFInfo
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- CN110318172B CN110318172B CN201910740084.5A CN201910740084A CN110318172B CN 110318172 B CN110318172 B CN 110318172B CN 201910740084 A CN201910740084 A CN 201910740084A CN 110318172 B CN110318172 B CN 110318172B
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- 238000000034 method Methods 0.000 title claims abstract description 28
- 238000009958 sewing Methods 0.000 title claims abstract description 22
- 239000004744 fabric Substances 0.000 claims abstract description 109
- 230000005540 biological transmission Effects 0.000 claims description 16
- 238000001514 detection method Methods 0.000 claims description 3
- 230000001360 synchronised effect Effects 0.000 description 4
- 238000007599 discharging Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
-
- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B33/00—Devices incorporated in sewing machines for supplying or removing the work
-
- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B37/00—Devices incorporated in sewing machines for slitting, grooving, or cutting
- D05B37/04—Cutting devices
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Sewing Machines And Sewing (AREA)
Abstract
The invention discloses a tape feeder, comprising: the front conveying wheel and the rear conveying wheel are used for pressing cloth belts to convey the cloth belts on the belt conveying path, are oppositely arranged at the front end and the rear end of the belt conveying path, can move close to or away from the belt conveying path when conveying the belt so as to selectively press the cloth belts on the belt conveying path, and can always press the cloth belts on the belt conveying path when conveying the belt; the conveying driving mechanism is used for driving the front conveying wheel and the rear conveying wheel to rotate so as to convey the cloth belt; and the cutter is used for cutting off the cloth belt between the front conveying wheel and the rear conveying wheel and is arranged between the front conveying wheel and the rear conveying wheel. The belt feeding device can prevent the cloth belt from shifting or even falling off in the belt feeding process. The invention also provides a tape feeding method and a sewing device.
Description
Technical Field
The invention relates to the field of mechanical equipment, in particular to a belt conveying device, a belt conveying method and sewing equipment.
Background
A tape feeding device is disclosed in a patent document having publication No. CN103842275a, and includes: 2 conveying rollers arranged at intervals in the feeding direction of the cloth tape, and pressing the cloth tape to convey the cloth tape; a bracket which supports the rotation shafts of the 2 conveying rollers and enables them to rotate freely; a conveying roller switching mechanism that swings the bracket with a fulcrum between the 2 conveying rollers, and selectively presses one of the 2 conveying rollers against the tape; and a cutter disposed between the 2 conveying rollers for cutting the cloth tape.
The cloth belt feeding device is easy to deviate and even fall off when feeding the belt, and is mainly characterized in that: 1. when the conveying rollers are switched, a time difference exists, in the time difference, the rear conveying roller ascends to loosen the cloth belt, the front conveying roller descends but does not press the cloth belt, and at the moment, the cloth belt is not pressed by anything, so that the cloth belt is easy to deviate or even fall off; 2. in order to solve the former problem, the cloth belt feeding device is provided with a pressing rod which moves up and down together with the cutter, after the rear conveying roller conveys the cloth belt to a position corresponding to the front conveying roller, the cutter descends to cut off the cloth belt firstly, meanwhile, the pressing rod descends to hold the rear cloth belt which faces the rear conveying roller after being cut off, and then the conveying roller is switched, but the method can only solve the problems of offset and falling off of the rear cloth belt, the front cloth belt which faces the front conveying roller after being cut off is still not pressed by anything when the front conveying roller descends, offset and even falling off still occur, and if a pressing rod is additionally arranged to press the front cloth belt, the pressing rod for pressing the front cloth belt cannot synchronously ascend and descend with the cutter, a separate driving mechanism is needed, so that the product cost is increased, and the mechanical structure and the control method become complex.
Disclosure of Invention
In order to solve the defects in the prior art, the invention provides the tape feeding device which can prevent the cloth tape from shifting or even falling off in the tape feeding process.
The invention also provides a tape feeding method and a sewing device.
The technical problems to be solved by the invention are realized by the following technical scheme:
a tape feed apparatus comprising:
the front conveying wheel and the rear conveying wheel are used for pressing cloth belts to convey the cloth belts on the belt conveying path, are oppositely arranged at the front end and the rear end of the belt conveying path, can move close to or away from the belt conveying path when conveying the belt so as to selectively press the cloth belts on the belt conveying path, and can always press the cloth belts on the belt conveying path when conveying the belt;
the conveying driving mechanism is used for driving the front conveying wheel and the rear conveying wheel to rotate so as to convey the cloth belt;
and the cutter is used for cutting off the cloth belt between the front conveying wheel and the rear conveying wheel and is arranged between the front conveying wheel and the rear conveying wheel.
Further, the conveyance driving mechanism includes:
the first driving mechanism is used for driving the front conveying wheel to convey the cloth belt;
and the second driving mechanism is used for driving the rear conveying wheel to convey the cloth belt.
Further, the method further comprises the following steps:
the first belt pressing mechanism is used for driving the front conveying wheel to move close to or away from the belt conveying path so that the front conveying wheel can selectively press cloth belts on the belt conveying path when conveying belts.
Further, the method further comprises the following steps:
and the control unit is used for controlling the front conveying wheel and the rear conveying wheel to rotate, the cutter to cut the belt and the front conveying wheel to move close to or away from the belt conveying path.
Further, the method further comprises the following steps:
the cloth belt sensor is used for detecting the cloth belt and is arranged at the front end of the belt conveying path;
the control unit controls the front conveying wheel and the rear conveying wheel to rotate, the cutter to cut the belt and the front conveying wheel to move close to or away from the belt conveying path according to detection of the cloth belt sensor.
Further, the method further comprises the following steps:
and the rear pinch roller is used for pressing the cloth belt in cooperation with the rear conveying wheel when conveying the belt, and is arranged above and below the belt conveying path opposite to the rear conveying wheel.
Further, the method further comprises the following steps:
and the second belt pressing mechanism is used for driving the rear pressing wheel to move so as to adjust the distance between the rear pressing wheel and the rear conveying wheel.
Further, the method further comprises the following steps:
a fixed path portion and a movable path portion for forming the tape feeding path, which are provided on left and right sides of the tape feeding path;
and the width adjusting mechanism is used for driving the movable path part to move so as to adjust the distance between the fixed path part and the movable path part.
A tape feeding method comprising:
step 1: controlling a rear conveying wheel positioned at the rear end of the belt conveying path to convey the cloth belt from the rear end to the front end along the belt conveying path;
step 2: controlling a front conveying wheel positioned at the front end of the belt conveying path to move close to the belt conveying path so that the front conveying wheel presses the cloth belt;
step 3: controlling a cutter to cut off the cloth belt between the front conveying wheel and the rear conveying wheel;
step 4: and controlling the front conveying wheel to convey the cut cloth belt out of the front end along the belt conveying path.
A sewing apparatus, comprising:
the belt feeding device is used for conveying the cloth belt to the main fabric on the sewing station;
the sewing device is used for fixing the main surface fabric on the sewing station and sewing the cloth belt on the main surface fabric.
The invention has the following beneficial effects: the front conveying wheel and the rear conveying wheel of the belt conveying device do not have switching action, the rear conveying wheel always presses the cloth belt on the belt conveying path to prevent loosening when conveying the belt, the cutter cuts off the cloth belt after the front conveying wheel presses the cloth belt, the cloth belt on the rear end of the belt conveying path is always pressed by the rear conveying wheel in the whole belt conveying process, the cloth belt on the front end of the belt conveying path is pressed by the front conveying wheel, the cloth belt cannot deviate and fall off, and a mechanical mechanism and a control method of the whole belt conveying device are simplified.
Drawings
FIG. 1 is a front perspective view of a tape feeder of the present invention;
FIG. 2 is a rear perspective view of the tape feeder of the present invention;
FIG. 3 is a top view of a tape feeder apparatus according to the present invention;
FIG. 4 is a simplified schematic diagram of a tape feeder apparatus according to the present invention;
fig. 5 is a perspective view of the sewing apparatus provided by the present invention.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings and examples.
Example 1
As shown in fig. 1 to 4, a tape feeding device 1 includes:
a front conveying wheel 101 and a rear conveying wheel 102 for pressing cloth strips 3 to convey the cloth strips 3 on a belt conveying path 103, the front conveying wheel 101 being relatively arranged at the front end and the rear end of the belt conveying path 103, the front conveying wheel 101 being movable near or away from the belt conveying path 103 when conveying a belt to selectively press the cloth strips 3 on the belt conveying path 103, the rear conveying wheel 102 being for pressing the cloth strips 3 on the belt conveying path 103 at all times when conveying a belt;
a conveying driving mechanism for driving the front conveying wheel 101 and the rear conveying wheel 102 to rotate to convey the cloth tape 3;
a cutter 104 for cutting the cloth tape 3 between the front conveying wheel 101 and the rear conveying wheel 102, and disposed between the front conveying wheel 101 and the rear conveying wheel 102.
In the tape feeding process, the rear conveying wheel 102 conveys the tape 3 from the rear end (tape feeding end) to the front end (tape discharging end) along the tape feeding path 103, then the front conveying wheel 101 moves closer to the tape feeding path 103 to press the tape 3 at the front end (tape discharging end) of the tape feeding path 103, then the cutter 104 cuts the tape 3 between the front conveying wheel 101 and the rear conveying wheel 102, and finally the front conveying wheel 101 moves the cut tape 3 away from the tape feeding path 103 after being discharged from the front end (tape discharging end) along the tape feeding path 103.
There is no switching action between the front conveying wheel 101 and the rear conveying wheel 102 of the belt conveying device 1, the rear conveying wheel 102 always presses the cloth belt 3 on the belt conveying path 103 without loosening when conveying the belt, the cutter 104 cuts the cloth belt 3 after the front conveying wheel 101 presses the cloth belt 3, the cloth belt 3 on the rear end of the belt conveying path 103 is always pressed by the rear conveying wheel 102 in the whole belt conveying process, the cloth belt 3 on the front end of the belt conveying path 103 is pressed by the front conveying wheel 101, the cloth belt 3 cannot deviate and fall, and a mechanical mechanism and a control method of the whole device are simplified.
The conveyance driving mechanism includes:
a first driving mechanism for driving the front conveying wheel 101 to convey the cloth belt 3;
and the second driving mechanism is used for driving the rear conveying wheel 102 to convey the cloth belt 3.
The rotation shaft of the front conveying wheel 101 is supported on a first bracket 109, and can freely rotate on the first bracket 109; the first driving mechanism comprises a first driving motor 105 and a first transmission assembly 106, and the first transmission assembly 106 is arranged on one side of the first bracket 109, which is opposite to the front conveying wheel 101, so as to transmit power between the rotating shaft of the front conveying wheel 101 and the output shaft of the first driving motor 105.
The rotation shaft of the rear conveying wheel 102 is supported on a second bracket 110 and can freely rotate on the second bracket 110; the second driving mechanism comprises a second driving motor 107 and a second transmission assembly 108, and the second transmission assembly 108 is arranged on one side of the second bracket 110, which is opposite to the rear conveying wheel 102, so as to transmit power between the rotating shaft of the rear conveying wheel 102 and the output shaft of the second driving motor 107.
In this embodiment, the first transmission assembly 106 and the second transmission assembly 108 are respectively located on the left side and the right side of the belt conveying path 103, and each belt comprises two belt pulleys and a synchronous belt, one belt pulley is coaxially connected to the rotating shaft of the front conveying wheel 101 or the rear conveying wheel 102, the other belt pulley is coaxially connected to the output shaft of the first driving motor 105 or the second driving motor 107, and the synchronous belt and the corresponding two belt pulleys are engaged and connected through teeth.
The tape feeder 1 further includes:
the first belt pressing mechanism is used for driving the front conveying wheel 101 to move close to or move away from the belt conveying path 103, so that the front conveying wheel 101 can selectively press the cloth belt 3 on the belt conveying path 103 when conveying belts.
The first belt pressing mechanism includes a belt pressing cylinder 111 and a belt pressing transmission assembly 112, and the belt pressing transmission assembly 112 is connected between the belt pressing cylinder 111 and the first bracket 109 of the front conveying wheel 101 for power transmission, so that the front roller can descend to move closer to the belt feeding path 103 and ascend to move away from the belt feeding path 103. The belt pressing transmission assembly 112 comprises a lever piece, one end of the lever piece is rotatably connected to the output end of the belt pressing cylinder 111, the other end of the lever piece is connected to the first bracket 109, and the lever piece swings with the belt pressing cylinder 111 and the first bracket 109 as a fulcrum, so as to drive the front conveying wheel 101 on the first bracket 109 to move closer to or further move away from the belt conveying path 103.
In this embodiment, the first support 109 also swings with the front conveying wheel 101 and the lever piece as a fulcrum, and drives the front conveying wheel 101 to rise or fall in a swinging manner, and moves closer to the tape feeding path 103 when the front conveying wheel 101 descends, and moves away from the tape feeding path 103 when the front conveying wheel 101 ascends.
The tape feeder 1 further includes:
and the tape cutting mechanism is used for driving the cutter 104 to cut off the cloth tape 3.
The tape cutting mechanism comprises a tape cutting cylinder 113, the cutter 104 is L-shaped, one end of the cutter 104 is rotatably connected to the output end of the tape cutting cylinder 113, the other end of the cutter is positioned above the tape feeding path 103 and provided with a blade, the middle of the cutter 104 is provided with a rotating fulcrum, and the cutter is driven by the tape cutting cylinder 113 to rotate so as to cut off the cloth tape 3.
The tape feeder 1 further includes:
and a control unit for controlling the front and rear conveying wheels 101 and 102 to rotate, the cutter 104 to cut the tape, and the front conveying wheel 101 to move closer to or farther from the tape feeding path 103.
Specifically, the working steps of the control unit include:
step 1: controlling the rear conveying wheel 102 to convey the cloth tape 3 from the rear end to the front end along the tape conveying path 103;
step 2: controlling the front conveying wheel 101 to move closer to the belt conveying path 103 so that the front conveying wheel 101 presses the cloth belt 3;
step 3: controlling the cutter 104 to cut off the cloth tape 3 between the front conveying wheel 101 and the rear conveying wheel 102;
step 4: the front conveying wheel 101 is controlled to convey the cut cloth tape 3 from the front end along the tape conveying path 103.
After step 4, the method further comprises:
step 5: the front feed wheel 101 is controlled to move away from the feed path 103.
The tape feeder 1 further includes:
and a tape sensor 114 for detecting the tape 3, provided at the front end of the tape feeding path 103.
The tape sensor 114 is a correlation sensor, and includes an emitter and a receiver, which are disposed above and below the tape feeding path 103, respectively, and when the receiver receives the photoelectric signal emitted by the emitter, it indicates that the front end of the tape feeding path 103 does not have the tape 3, and when the receiver does not receive the photoelectric signal emitted by the emitter, it indicates that the front end of the tape feeding path 103 has the tape 3.
The control unit controls the front conveying wheel 101 and the rear conveying wheel 102 to rotate, the cutter 104 to cut the tape, and the front conveying wheel 101 to move closer to or farther from the tape feeding path 103 according to the detection of the tape sensor 114. If the tape sensor 114 detects that the tape 3 does not exist at the front end of the tape feeding path 103, the rear conveying wheel 102 is controlled to convey the tape 3 from the rear end to the front end along the tape feeding path 103, if the tape sensor 114 detects that the tape 3 exists at the front end of the tape feeding path 103, the front conveying wheel 101 is controlled to move close to the tape feeding path 103 so that the conveying wheel presses the tape 3, then the cutter 104 is controlled to cut the tape 3 between the front conveying wheel 101 and the rear conveying wheel 102, then the front conveying wheel 101 is controlled to convey the cut tape 3 from the front end along the tape feeding path 103, and finally the front conveying wheel 101 is controlled to move away from the tape feeding path 103, so that a complete tape feeding process is realized.
The tape feeder 1 further includes:
and a rear pinch roller 115 for pressing the cloth tape 3 in cooperation with the rear conveying wheel 102 when feeding the belt, and disposed above and below the belt feeding path 103 so as to face the rear conveying wheel 102.
The rear pinch roller 115 and the rear conveying wheel 102 cooperate with the cloth tape 3 pressed on the rear end of the tape feeding path 103.
The tape feeder 1 further includes:
and the second belt pressing mechanism is used for driving the rear pressing wheel 115 to move so as to adjust the distance between the rear pressing wheel 115 and the rear conveying wheel 102.
When the belt is fed or replaced, the second belt pressing mechanism drives the rear pressing wheel 115 to move away from the rear conveying wheel 102 so as to increase the distance between the rear pressing wheel 115 and the rear conveying wheel 102, the cloth belt 3 is placed between the rear pressing wheel 115 and the rear conveying wheel 102, and then the second belt pressing mechanism drives the rear pressing wheel 115 to move close to the rear conveying wheel 102 so as to reduce the distance between the rear pressing wheel 115 and the rear conveying wheel 102, so that the cloth belt 3 is pressed together.
The second belt pressing mechanism comprises a rotating block 116, a fixed block 117 and a lifting frame 118, wherein the rotating shaft of the rear pressing wheel 115 is supported on the lifting frame 118 and can freely rotate on the lifting frame 118; the fixed block 117 is fixedly connected to the second bracket 110, and the lifting frame 118 passes through the fixed block 117 from bottom to top through a connecting shaft thereof and is rotatably connected to the rotating block 116; the rotation center of the rotation block 116 has a first radius to an edge thereof in a first direction and a second radius to an edge thereof in a second direction, and the rotation block 116 selectively makes the edge thereof in the first direction or the second direction push against the fixed block 117 when rotated, wherein the first radius is larger than the second radius.
When the rotating block 116 rotates to the edge in the first direction to prop against the fixed block 117, the lifting frame 118 is driven by the rotating block 116 to lift, and the distance between the rear pressing wheel 115 and the rear conveying wheel 102 increases; when the rotating block 116 rotates to the edge in the second direction to press against the fixed block 117, the lifting frame 118 is driven by the rotating block 116 to descend, and the distance between the rear pinch roller 115 and the rear conveying wheel 102 is reduced.
The fixed block 117 and the lifting frame 118 are also connected through a buffer spring 119.
The tape feeder 1 further includes:
a fixed path portion 120 and a movable path portion 121 for forming the belt path 103, which are provided on the left and right sides of the belt path 103;
and a width adjusting mechanism for driving the movable path part 121 to move to adjust the distance between the fixed path part 120 and the movable path part 121.
The fixed path portion 120 and the movable path portion 121 are disposed on a base plate 125 together to form the belt feeding path 103 having a groove structure, wherein the fixed path portion 120 is fixedly connected to the base plate 125, and the movable path portion 121 is slidably connected to the base plate 125 and is slidable on the base plate 125 in a vertical direction of the belt feeding path 103.
The bottom plate 125 is also used as an assembly bracket of the tape feeder 1, and is used for arranging the first bracket 109, the second bracket 110, the cutter 104 and other components; wherein the rear conveying wheel 102 is positioned below the bottom plate 125 and the surface is exposed upward from the opening of the bottom plate 102 to be in contact with the cloth tape 3.
The width adjusting mechanism comprises an adjusting rotary rod 122, wherein the adjusting rotary rod 122 is connected between the fixed path part 120 and the movable path part 121, the adjusting rotary rod is in threaded connection with the movable path part 121, and the adjusting rotary rod is in bearing connection with the fixed path part 120.
The fixed path portion 120 is divided into a front fixed portion and a rear fixed portion, the movable path portion 121 is divided into a front movable portion and a rear movable portion, and the adjusting lever 122 is connected between the rear fixed portion and the rear movable portion; the width adjusting mechanism further comprises a secondary rotating rod 123 and a transmission assembly, wherein the secondary rotating rod 123 is connected between the front fixed part and the front movable part, and is in threaded connection with the front movable part and is in bearing connection with the front fixed part; the width adjusting transmission assembly 124 is connected between the adjusting lever 122 and the auxiliary lever 123 for power transmission.
The width adjusting transmission assembly 124 includes two pulleys and a synchronous belt, wherein one pulley is coaxially connected to the adjusting screw 122, the other pulley is coaxially connected to the auxiliary screw 123, and the synchronous belt is engaged with the two pulleys through teeth.
The tape feeder 1 further includes:
and the moving mechanism is used for driving the belt conveying device 1 to move along the belt conveying path 103.
The bottom plate 125 of the belt feeding device 1 is slidably connected to the fixing frame 127 through a sliding rail assembly 126, and can freely slide along the belt feeding path 103; the moving mechanism comprises a moving cylinder 128, wherein the moving cylinder 128 is fixed on a fixing frame 127, and is connected with a bottom plate 125 on the sliding rail assembly 126 to drive the belt feeding device 1 to move along the belt feeding path 103.
The front end of the tape feeding path 103 faces downward, and the rear end faces upward, and the moving cylinder 128 is also fixedly connected to the fixing frame 127 in an inclined manner.
The belt feeding device 1 is assembled and fixed on a frame of the sewing equipment through the fixing frame 127.
Example two
The tape feeding method applied to the tape feeding device of the first embodiment includes:
step 1: controlling a rear conveying wheel 102 positioned at the rear end of a belt conveying path 103 to convey a cloth belt 3 from the rear end to the front end along the belt conveying path 103;
step 2: controlling a front conveying wheel 101 positioned at the front end of the conveying path 103 to move closer to the conveying path 103 so that the front conveying wheel 101 presses the cloth belt 3;
step 3: controlling a cutter 104 to cut off the cloth tape 3 between the front conveying wheel 101 and the rear conveying wheel 102;
step 4: the front conveying wheel 101 is controlled to convey the cut cloth tape 3 from the front end along the tape conveying path 103.
After step 4, the method further comprises:
step 5: the front feed wheel 101 is controlled to move away from the feed path 103.
Wherein if it is detected that the tape 3 is not present at the front end of the tape feeding path 103, the rear conveyor wheel 102 is controlled to convey the tape 3 from the rear end to the front end along the tape feeding path 103 (at this time, if the front conveyor wheel 101 is in a state of moving closer to the tape feeding path 103, the front conveyor wheel 101 is simultaneously controlled to move away from the tape feeding path 103), if it is detected that the tape 3 is present at the front end of the tape feeding path 103, the front conveyor wheel 101 is controlled to move closer to the tape feeding path 103 (while the rear conveyor wheel 102 is controlled to stop conveying), so that the conveyor wheel presses the tape 3, then the cutter 104 is controlled to cut off the tape 3 between the front conveyor wheel 101 and the rear conveyor wheel 102, then the front conveyor wheel 101 is controlled to convey the cut tape 3 from the front end along the tape feeding path 103, and finally the front conveyor wheel 101 is controlled to move away from the tape feeding path 103, thereby realizing a complete tape feeding process.
Example III
As shown in fig. 5, a sewing apparatus includes:
the belt feeding device 1 of the first embodiment is used for conveying the cloth belt 3 to a main fabric on a sewing station;
and the sewing device 2 is used for fixing the main surface fabric on the sewing station and sewing the cloth belt 3 on the main surface fabric.
The above examples only show embodiments of the present invention, and the description thereof is more specific and detailed, but should not be construed as limiting the scope of the invention, but all technical solutions obtained by equivalent substitution or equivalent transformation shall fall within the scope of the invention.
Claims (3)
1. A tape feeder comprising:
the front conveying wheel and the rear conveying wheel are used for pressing cloth belts to convey the cloth belts on the belt conveying path, are oppositely arranged at the front end and the rear end of the belt conveying path, can move close to or away from the belt conveying path when conveying the belt so as to selectively press the cloth belts on the belt conveying path, and can always press the cloth belts on the belt conveying path when conveying the belt; the rotating shaft of the front conveying wheel is supported on a first bracket and can freely rotate on the first bracket;
the conveying driving mechanism is used for driving the front conveying wheel and the rear conveying wheel to rotate so as to convey the cloth belt; the conveying driving mechanism comprises a first driving mechanism and a second driving mechanism, and the first driving mechanism is used for driving the front conveying wheel to convey the cloth belt; the second driving mechanism is used for driving the rear conveying wheel to convey the cloth belt;
the first belt pressing mechanism is used for driving the front conveying wheel to move close to or away from the belt conveying path so that the front conveying wheel can selectively press cloth belts on the belt conveying path when conveying belts; the first belt pressing mechanism comprises a belt pressing cylinder and a belt pressing transmission assembly, the belt pressing transmission assembly comprises a lever piece, one end of the lever piece is rotationally connected to the output end of the belt pressing cylinder, the other end of the lever piece is connected to the first bracket, and the belt pressing mechanism swings by taking the space between the belt pressing cylinder and the first bracket as a fulcrum, so that a front conveying wheel on the first bracket is driven to move close to or away from the belt conveying path;
the cutter is used for cutting off the cloth belt between the front conveying wheel and the rear conveying wheel and is arranged between the front conveying wheel and the rear conveying wheel;
the cloth belt sensor is used for detecting the cloth belt and is arranged at the front end of the belt conveying path;
the control unit is used for controlling the front conveying wheel and the rear conveying wheel to rotate, the cutter to cut the belt and the front conveying wheel to move close to or away from the belt conveying path according to the detection of the cloth belt sensor;
the rear pinch roller is used for pressing the cloth belt in cooperation with the rear conveying wheel when the belt is conveyed, and is arranged above and below the belt conveying path opposite to the rear conveying wheel;
the second belt pressing mechanism is used for driving the rear pressing wheel to move so as to adjust the distance between the rear pressing wheel and the rear conveying wheel;
a fixed path portion and a movable path portion for forming the tape feeding path, which are provided on left and right sides of the tape feeding path;
and the width adjusting mechanism is used for driving the movable path part to move so as to adjust the distance between the fixed path part and the movable path part.
2. A tape feeding method, characterized by using the tape feeding device according to claim 1; the tape feeding method comprises the following steps:
step 1: controlling a rear conveying wheel positioned at the rear end of the belt conveying path to convey the cloth belt from the rear end to the front end along the belt conveying path;
step 2: controlling a front conveying wheel positioned at the front end of the belt conveying path to move close to the belt conveying path so that the front conveying wheel presses the cloth belt;
step 3: controlling a cutter to cut off the cloth belt between the front conveying wheel and the rear conveying wheel;
step 4: and controlling the front conveying wheel to convey the cut cloth belt out of the front end along the belt conveying path.
3. A sewing apparatus, comprising:
the tape feeder of claim 1 for feeding said tape onto a primary fabric at a sewing station;
the sewing device is used for fixing the main surface fabric on the sewing station and sewing the cloth belt on the main surface fabric.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910740084.5A CN110318172B (en) | 2019-08-12 | 2019-08-12 | Belt feeding device, belt feeding method and sewing equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910740084.5A CN110318172B (en) | 2019-08-12 | 2019-08-12 | Belt feeding device, belt feeding method and sewing equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110318172A CN110318172A (en) | 2019-10-11 |
| CN110318172B true CN110318172B (en) | 2024-01-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910740084.5A Active CN110318172B (en) | 2019-08-12 | 2019-08-12 | Belt feeding device, belt feeding method and sewing equipment |
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| CN (1) | CN110318172B (en) |
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| CN103842275A (en) * | 2011-10-04 | 2014-06-04 | Juki株式会社 | Device for feeding tape and device for sewing on tape |
| CN103603145A (en) * | 2012-06-25 | 2014-02-26 | Juki株式会社 | Cloth tape sewing device |
| CN205474322U (en) * | 2016-01-29 | 2016-08-17 | Juki株式会社 | Take feeding device and take suturing device |
| CN206884231U (en) * | 2017-04-21 | 2018-01-16 | 中山市北崎电气有限公司 | A kind of ELASTIC SEWING MACHINE |
| CN109295617A (en) * | 2017-07-25 | 2019-02-01 | Juki株式会社 | Sewing machine |
| CN107500008A (en) * | 2017-08-10 | 2017-12-22 | 湖州博仁纺织品有限公司 | A kind of new rag cutter of high accuracy for preventing cloth from moving |
| CN207158448U (en) * | 2017-09-21 | 2018-03-30 | 强信机械科技(莱州)有限公司 | A kind of Work-feeding means |
| JP2019063942A (en) * | 2017-10-02 | 2019-04-25 | デュプロ精工株式会社 | Belt-like object cutting device |
| CN108642733A (en) * | 2018-08-14 | 2018-10-12 | 常州智谷机电科技有限公司 | Full-automatic more panel sewing devices |
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