Summary of the invention
The present invention is directed to above-mentioned prior art present situation, and a kind of pay-off of novel ELASTIC SEWING MACHINE is provided, make the feeding flow process of elastic band easier, feeding structure is simpler, and effectively improves feeding efficiency.
The present invention solves the problems of the technologies described above adopted technical scheme: the pay-off of ELASTIC SEWING MACHINE, comprise spaced the first frame and the second frame, and the first frame is provided with the first feeding driving wheel of the first driven by motor; The second frame is provided with the second feeding driving wheel of the second driven by motor; The first feeding driving wheel is inputted the elastic band of preseting length under the control of the first motor, and elastic band is suspended between the first feeding driving wheel and the second feeding driving wheel; Below the first feeding driving wheel, be provided with the material stock inductor that detects elastic band suspension status; The second feeding driving wheel, under the control of the second motor, is sent the elastic band of suspension; After material stock inductor detects that the elastic band of suspension status is stretching, carried the elastic band of next section of preseting length by first electric machine control the first feeding driving wheel.
For optimizing technique scheme, the present invention also comprises following improved technical scheme.
The discharging opening of above-mentioned the second feeding driving wheel is provided with moving knife and the stationary knife for cutting off elastic band, and moving knife, after the second feeding driving wheel feeding completes, cuts off the elastic band of discharging opening by blank air cylinder driven.
Above above-mentioned the first feeding driving wheel, be provided with elastic band transfer passage, a side of elastic band transfer passage is provided with the heating plate of flatiron elastic band, and be provided with control heating plate near or away from the heating cylinder of elastic band transfer passage.
In the time of above-mentioned the first machine operation, heating cylinder control heating plate is near the elastic band in elastic band transfer passage; In the time that the first motor quits work, heating cylinder control heating plate is away from elastic band transfer passage.
Above-mentioned heating plate is slidably arranged on heating guide rail, is provided with electrically heated rod in heating plate.
One side of above-mentioned elastic band transfer passage is provided with the first inductor that detects elastic band thickness; The first inductor detects when elastic band thickness becomes large, controls the first motor and the second motor and stops elastic band transportation work.
The first above-mentioned inductor is provided with freely hung induction tabs; Kink of induction tabs fits with the interior vertical elastic band of elastic band transfer passage, another bending part in the first inductor touch a little near.
The top of above-mentioned the first feeding driving wheel is provided with the 3rd motor-driven reason material roller, and elastic band transfer passage vertically arranges between resonable material roller and the first feeding driving wheel.
The first above-mentioned feeding driving wheel is provided with the first feeding follower of being close to by elastic force; The second feeding driving wheel is provided with the second feeding follower of being close to by elastic force.
The second above-mentioned frame has the first installation base plate and the second installation base plate that be arranged in parallel, and distinguishes the 3rd installation base plate connected vertically with the first installation base plate, the second installation base plate; The second feeding driving wheel rotates and is arranged between the first installation base plate and the second installation base plate, and the second feeding driving wheel and the second motor lay respectively at the both sides of the first installation base plate; Moving knife rotates and is arranged on the 3rd installation base plate, and is positioned at the below of the second feeding driving wheel.
Compared with prior art, the pay-off of ELASTIC SEWING MACHINE of the present invention, by controlling the number of turns of the first motor rotation, can send in advance the elastic band of certain length, the elastic band of sending into prestores and is suspended between the first feeding driving wheel and the second feeding driving wheel, and the second feeding driving wheel coordinates follow-up machine process, can fast the elastic band hanging be sent, under the detection of material stock inductor, the first feeding driving wheel continues to be fed into the elastic band that next section prestores simultaneously.Through the first feeding driving wheel and the second feeding driving wheel coordinated, can carry out continuously the transportation work of elastic band, improve the feeding speed of elastic band.Pay-off also can integrated rubber band joint inspection, flatiron, the function that cuts automatically, and through optimal design, has advantages of that compact conformation, automatization level are high.
The specific embodiment
Below in conjunction with accompanying drawing, embodiments of the invention are described in further detail.
Fig. 1 is to Figure 3 shows that structural representation of the present invention.
Reference numeral is wherein: the first frame 1, the first motor 11, the first feeding driving wheel 12, material stock inductor 13, the 3rd motor 14, reason material roller 15, the first feeding follower 16, the first follower mounting bracket 16a, backup plate 17, adjust limiting stopper 18, the first spring 19, the second frame 2, the second motor 21, the second feeding driving wheel 22, the first installation base plate 23, the second installation base plate 24, the 3rd installation base plate 25, the second feeding follower 26, the second follower mounting bracket 27, the second spring 28, rotating driveshaft 29, moving knife 3, stationary knife 31, blank cylinder 32, moving knife erecting frame 33, moving knife arm 34, heating plate 4, heating cylinder 41, heating guide rail 42, electrically heated rod 43, the first inductor 5, induction tabs 51, the first synchronizing wheel 61, the second synchronizing wheel 62, Timing Belt 63, feeding supporting plate 81, follower shaft 82, adjustment block 83.
As shown in Figure 1, the pay-off of ELASTIC SEWING MACHINE of the present invention, comprises spaced the first frame 1 and the second frame 2.In the first frame 1, be provided with the first feeding driving wheel 12 that the first motor 11 drives.In the second frame 2, be provided with the second feeding driving wheel 22 that the second motor 21 drives.The first feeding driving wheel 12 is inputted the elastic band of preseting length under the control of the first motor 11, and elastic band is suspended between the first feeding driving wheel 12 and the second feeding driving wheel 22.Below the first feeding driving wheel 12, be provided with the material stock inductor 13 that detects elastic band suspension status.The second feeding driving wheel 22, under the control of the second motor 21, is sent the elastic band of suspension.After material stock inductor 13 detects that the elastic band of suspension status is stretching, control the first feeding driving wheel 12 and carry the elastic band of next section of preseting length by the first motor 11.
It shown in Fig. 2, is the assembling exploded drawings of the first frame 1 part.Above the first feeding driving wheel 12, be provided with elastic band transfer passage.The top of the first feeding driving wheel 12 is provided with the reason material roller 15 that the 3rd motor 14 drives, and elastic band transfer passage vertically arranges between resonable material roller 15 and the first feeding driving wheel 12.
In the present embodiment, the first frame 1 is fixedly connected with backup plate 17, and elastic band transfer passage vertically arranges on backup plate 17.Backup plate 17 is provided with the adjustment limiting stopper 18 of adjusting elastic band transfer passage width.
Be provided with the heating plate 4 of flatiron elastic band in a side of elastic band transfer passage, and be provided with control heating plate 4 near or away from the heating cylinder 41 of elastic band transfer passage.
In the time that the first motor 11 is worked, heating cylinder 41 is controlled heating plate 4 near the elastic band in elastic band transfer passage, and the elastic band of carrying is pressed.In the time that the first motor 11 quits work, heating cylinder 41 is controlled heating plate 4 away from elastic band transfer passage.
The first frame 1 is provided with thermal conductance rail 42, and heating plate 4 is slidably arranged on heating guide rail 42.In heating plate 4, be provided with electrically heated rod 43.
One side of elastic band transfer passage is provided with the first inductor 5 that detects elastic band thickness.Elastic band may have joint, can not be with these joints while making elastic ring.Due to the joint thickness meeting thickening of elastic band, therefore the first inductor 5 detects when elastic band thickness becomes large, controls the first motor 11 and the second motor 21 and stops elastic band transportation work, so that staff removes the position that has rubber band joint.
The first inductor 5 is provided with freely hung induction tabs 51, and a kink of induction tabs 51 fits with the interior vertical elastic band of elastic band transfer passage, another bending part in the first inductor 5 touch a little near.When elastic is during with joint, induction tabs 51 just touches mutually with the first touching a little of inductor 5, makes the first inductor 5 rubber band joint be detected, and controls in time pay-off shutdown.
The first feeding driving wheel 12 is provided with the first feeding follower 16 of being close to it by elastic force.Be provided with the first follower mounting bracket 16a that can rotate at the opposite side of backup plate 17, the first feeding follower 16 rotates and is arranged on the first follower mounting bracket 16a.Backup plate 17 is provided with the first spring 19 matching with the first follower mounting bracket 16a.Match with the mounting rod on backup plate 17 in one end of the first spring 19, the other end matches with the attaching parts on the first follower mounting bracket 16a.The first follower mounting bracket 16a, under the elastic force effect of the first spring 19, makes the first feeding follower 16 be close to the first feeding driving wheel 12.
It shown in Fig. 3, is the assembling decomposing schematic representation of the second frame 2 parts.The second frame 2 has the first installation base plate 23 and the second installation base plate 24 that be arranged in parallel, and distinguishes the 3rd installation base plate 25 connected vertically with the first installation base plate 23, the second installation base plate 24.
Between the first installation base plate 23 and the second installation base plate 24, be provided with elastic band transfer passage.Between the first installation base plate 23 and the second installation base plate 24, be fixed with feeding supporting plate 81, the top of feeding supporting plate 81 is provided with follower shaft 82, and elastic band transfer passage is between feeding supporting plate 81 and follower shaft 82.
Elastic band passes after being sent by the first feeding driving wheel 12 between follower shaft 82 and feeding supporting plate 81, is then sent by the second feeding driving wheel 22.On follower shaft 82, be provided with the adjustment block 83 that can adjust elastic band input channel width, to adapt to carry the elastic band of different in width.
The second feeding driving wheel 22 rotates and is arranged between the first installation base plate 23 and the second installation base plate 24.The second motor 21 and the second feeding driving wheel 22 lay respectively at the both sides of the first installation base plate 23.The power take-off shaft of the second motor 21 is connected with the first synchronizing wheel 61.The rotating driveshaft 29 of the second feeding driving wheel 22 is through the first installation base plate 23, and traversing through end is connected with the second synchronizing wheel 62.Between the first synchronizing wheel 61 and the second synchronizing wheel 62, be provided with Timing Belt 63.The second motor 21 drives the second feeding driving wheel 22 to move by the first synchronizing wheel 61, Timing Belt 63 and the second synchronizing wheel 62.
The discharging opening of the second feeding driving wheel 22 is provided with moving knife 3 and the stationary knife 31 for cutting off elastic band, and moving knife 3, after the second feeding driving wheel 22 feedings complete, is driven the elastic band of discharging opening is cut off by blank cylinder 32.
In the present embodiment, the 3rd installation base plate 25 is fixedly connected with moving knife erecting frame 33 near a side of the first feeding driving wheel 12, and moving knife erecting frame 33 is provided with the moving knife arm 34 that can rotate, and moving knife 3 is fixed on moving knife arm 34, and is positioned at the below of the second feeding driving wheel 22.
For driving the blank cylinder 32 that moving knife 3 rotates to be movably arranged on the first installation base plate 23, and be positioned at the below of the first motor 11.The drive spindle of blank cylinder 32 drives moving knife arm 34 to rotate by pipe link.
The second feeding driving wheel 22 is provided with the second feeding follower 26 of being close to by elastic force.Be provided with the second follower mounting bracket 27, the second feeding followers 26 rotations that can rotate is arranged on the second follower mounting bracket 27 in the outside of the 3rd installation base plate 25.The 3rd installation base plate 25 is provided with the second spring 28 matching with the second follower mounting bracket 27.Match with the mounting rod on the 3rd installation base plate 25 in one end of the second spring 28, the other end makes the second feeding follower 26 on the second follower mounting bracket 27 compress the second feeding driving wheel 22 by elastic force.
When work, elastic band is first through the first feeding driving wheel 12 and the first feeding follower 16, then through the second feeding driving wheel 22 and the second feeding follower 26.Material stock inductor 13 is fixedly mounted on the below of the first feeding driving wheel 12.The number of turns of rotating by controlling the first motor 11, just can control the length that the first feeding driving wheel 12 is carried elastic band.Carry after the elastic band of preseting length at the first feeding driving wheel 12, elastic band is suspended between the first feeding driving wheel 12 and the second feeding driving wheel 22, and the elastic band hanging matches with material stock inductor 13, makes material stock inductor 13 detect that elastic band is in suspension status.
The second motor 21 is controlled the second feeding driving wheel 22 quick feeding subsequently, for follow-up coiled strip operation output elastic band, be suspended on elastic band between the first feeding driving wheel 12 and the second feeding driving wheel 22 by stretching gradually, after elastic band is stretching, be just separated with material stock inductor 13, material stock inductor 13 detects just to be controlled the first motor 11 after elastic band separates and allows the first feeding driving wheel 12 carry next section of elastic band.
Most preferred embodiment of the present invention is illustrated, and the various variations of being made by those of ordinary skills or remodeling can not depart from the scope of the present invention.