CN219600426U - Adjusting and aligning mechanism for stitching elastic band - Google Patents
Adjusting and aligning mechanism for stitching elastic band Download PDFInfo
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- CN219600426U CN219600426U CN202320322456.4U CN202320322456U CN219600426U CN 219600426 U CN219600426 U CN 219600426U CN 202320322456 U CN202320322456 U CN 202320322456U CN 219600426 U CN219600426 U CN 219600426U
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Abstract
The utility model provides an elastic band stitching adjustment alignment mechanism. The automatic feeding device comprises a frame, wherein the frame comprises a left frame body and a right frame body, a discharging space is reserved between the left frame body and the right frame body, feeding parts are arranged on the left frame body and the right frame body, a welding and cutting piece is further arranged on the frame and used for welding and cutting materials in the discharging space into rubber bands, and a fixed material driving piece is arranged on the right frame body; still including the fixed work or material rest, the fixed material driving piece is used for driving the fixed work or material rest and moves towards being close to or keeping away from left support body one side, is equipped with to the material portion on the fixed work or material rest, to the material portion including fixed to the material arm, the activity to the material arm, to the material driving piece, fixed to be formed with to the material mouth between material arm and the activity to the material arm, to material mouth orientation unloading space one side, the rubber band-pass is to the material mouth, is used for driving the activity to the material arm and removes and be used for controlling to the material mouth aperture size. The adjusting and aligning mechanism can effectively improve the pushing and aligning effect of the elastic band.
Description
Technical Field
The utility model relates to elastic band processing equipment, in particular to an elastic band sewing, adjusting and aligning mechanism.
Background
The structure of the existing rubber band sewing machine is as the Chinese utility model patent with the bulletin number of CN215589991U, the main structure of the full-automatic multi-head rubber band sewing machine comprises a first mounting frame and a second mounting frame, wherein a second driving wheel and a second driven wheel are arranged on the first mounting frame, a first driving wheel and a first driven wheel are arranged on the second mounting frame, a first cylinder and a cutting and welding cutter are arranged on the second mounting frame, and an ultrasonic vibration head is arranged on the first mounting frame.
In the actual processing process, two ends of an elastic band to be processed are respectively positioned on a first mounting frame and a second mounting frame, one end of the elastic band is clamped between a second driving wheel and a second driven wheel on the first mounting frame, the other end of the elastic band is clamped between the first driving wheel and the first driven wheel of the second mounting frame, the first driving wheel and the second driving wheel are controlled to rotate in a matched mode, the elastic band can be hung between the first mounting frame and the second mounting frame step by step, a sagged U-shaped is formed on the elastic band between the first mounting frame and the second mounting frame, a first cylinder drives a cutting and welding knife to move towards one side of an ultrasonic vibration head, and the cutting and welding knife and the ultrasonic vibration head can cut off the elastic band and can carry out primary welding on two ends of the elastic band to form an annular elastic band ring.
With reference to fig. 4 in the chinese patent publication No. CN215589991U, a left positioning rod and a right positioning rod are further disposed on the welding and cutting knife, and a certain space is formed between the left positioning rod and the right positioning rod; before the rubber band is cut and welded, the spacing space between the left positioning rod and the right positioning rod can be clamped into the rubber band, so that the rubber band is preliminarily aligned.
Although the sewing machine improves the looping quality of the rubber band to a certain extent through the left positioning rod and the right positioning rod, if the distance between the left positioning rod and the right positioning rod is set smaller, the difference between the positions of the end parts of the rubber band at one side of the first installation frame and one side of the second installation frame is larger, the rubber band cannot enter into the interval space between the left positioning rod and the right positioning rod, and the material pushing effect cannot be realized; if the interval between left locating lever and the right locating lever is set for great, normal position is located first mounting bracket one side and second mounting bracket one side rubber band end position phase difference is less, left locating lever and right locating lever then can't be with the contact of rubber band both sides, can't realize the material again and push away neat effect, consequently, the produced rubber band of the sewing machine with left locating lever, right locating lever pushes away neat effect limited, has still to wait to promote the rubber band to push away neat effect further.
Disclosure of Invention
In view of the above, the present utility model aims to provide an elastic band stitching adjustment alignment mechanism, which can effectively improve the alignment effect of the elastic band.
In order to solve the technical problems, the technical scheme of the utility model is as follows:
the rubber band sewing, adjusting and aligning mechanism comprises a frame, wherein the frame comprises a left frame body and a right frame body, a blanking space is reserved between the left frame body and the right frame body, feeding parts are arranged on the left frame body and the right frame body, a welding and cutting piece is arranged on the frame and used for welding and cutting materials in the blanking space into rubber band rings,
a fixed material driving piece is arranged on the right frame body;
still including the fixed work or material rest, the fixed material driving piece is used for driving the fixed work or material rest to be close to or keep away from left side support body one side removes, be equipped with on the fixed work or material rest and to the material portion, to the material portion including fixed to the material arm, activity to the material arm, to the material driving piece, fixed to the material arm with the activity is formed with to the material mouth between the material arm, to the material mouth orientation unloading space one side, the rubber band area is passed through to the material mouth, to the material driving piece is used for the drive the activity is moved to the material arm and is used for controlling to the material mouth aperture size.
Through the technical scheme, two ends of the elastic band are respectively positioned in the feeding parts of the left frame body and the right frame body, namely, the end parts of the elastic band are clamped in the two feeding parts, the middle part of the elastic band is positioned in the blanking space, the feeding parts on two sides perform matching actions, and the materials positioned in the blanking space sag to form a U-shaped state; at the moment, the fixed material driving piece drives the fixed material rack to move towards one side close to the left rack body until the rubber band is positioned in the material aligning opening, the movable material aligning arm is driven by the material aligning driving piece to move, the movable material aligning arm moves towards one side of the fixed material aligning arm, the material aligning opening is gradually reduced, the fixed material aligning arm and the movable material aligning arm are positioned at the left side and the right side of the rubber band, the movable material aligning arm is driven by the material aligning driving piece to move, and the movable material aligning arm is matched with the fixed material aligning arm, so that the rubber band originally positioned on the left rack body and the right rack body can be pushed; the integrity of the cut and welded material is higher;
the key advantage in the processing process is that, at first, the distance between the movable alignment arm and the fixed alignment arm is larger, when the alignment needs to be carried out, the movable alignment arm gradually moves towards the fixed alignment arm direction, the alignment effect is better because the alignment hole can adapt to the rubber band strip alignment function with a larger size range.
Preferably, the material aligning part comprises a material aligning adjusting part, the material aligning adjusting part comprises a material aligning adjusting screw rod which is rotationally connected to the fixed material rack, the fixed material aligning arm and the fixed material rack are in split arrangement, the material aligning adjusting screw rod penetrates through and is in threaded connection with the fixed material aligning arm, and the material aligning adjusting screw rod is used for driving the fixed material aligning arm to move and is used for controlling the opening size of the material aligning opening.
Through above-mentioned technical scheme, because of the material width of different batches is different, the accessible is rotatory to material adjusting screw, and it is fixed to the material arm to remove to material adjusting screw can drive to adjust fixedly to the material arm and the activity is to the limit size of material mouth between the material arm, can satisfy the rubber band processing user demand of bigger width scope.
Preferably, the welding and cutting piece comprises an ultrasonic vibration head, a cutting and welding cutter and a cutting and welding driving piece, wherein the ultrasonic vibration head is arranged on the left frame body, the cutting and welding cutter is arranged on the right frame body, the cutting and welding driving piece is used for driving the cutting and welding cutter to move towards or away from one side of the ultrasonic vibration head, and the ultrasonic vibration head and the cutting and welding cutter are mutually matched to cut and weld the rubber band positioned in the blanking space.
Through the technical scheme, after the ultrasonic vibration head and the cutting and welding knife are matched with each other, on one hand, a cutting effect can be generated on materials; on the other hand, the material break point can form a welding seam so as to form a closed-loop-shaped rubber band ring, so that further sewing can be conveniently carried out later.
Preferably, the automatic welding machine further comprises a fixed material block, wherein a fixed material spring is connected between the fixed material block and the fixed material frame, the fixed material block is positioned above the welding piece, the fixed material driving piece is used for driving the fixed material frame to move towards or away from one side of the left frame body, and the fixed material block is matched with the side wall of the left frame body to clamp the rubber band.
Through above-mentioned technical scheme, at the in-process of cutting welding sword and ultrasonic vibration head mutually supporting, the fixed work or material rest of fixed material driving piece drive also, fixed material piece remove, and fixed material piece and left support body lateral wall mutually support and produce the centre gripping effect to the rubber band, whole in-process promptly, carry out the centre gripping to the rubber band earlier, then cut the welding by cutting welding sword and ultrasonic vibration head again, can promote the rubber band and cut and weld overall quality.
Preferably, the material aligning part is positioned below the welding and cutting piece.
According to the technical scheme, in the processing process, the alignment operation of two sides of the rubber band is firstly generated by the material aligning part, and then the welding and cutting operation is performed by the welding and cutting piece positioned above; the rubber band lower extreme that is U-shaped and turns over that lies in the unloading space is the free end, and the upper end all has corresponding fixed part to fix, and the rethread lies in the material portion of putting down and produces the alignment effect to the rubber band, therefore, all there is spacing in the rubber band of welding the upper and lower part of cutting, and the rubber band that welds the completion is more neat, and the machine-shaping quality is higher.
Preferably, a first protrusion is arranged at the end part of the fixed material aligning arm, which is close to the left frame body, a second protrusion is arranged at the end part of the movable material aligning arm, which is close to the left frame body, and the protrusion direction of the first protrusion and the protrusion direction of the second protrusion are both upward;
the fixed material rack is provided with a material limiting sheet, the material limiting sheet extends to one side of the left rack body, and the side edge of the material limiting sheet is close to the first bulge and the second bulge.
Through the technical scheme, firstly, the fixed material aligning arm provided with the first bulge and the movable material aligning arm provided with the second bulge can be mutually matched with the side edge of the material limiting sheet, so that the sliding stability between the fixed material aligning arm and the movable material aligning arm can be improved to a certain extent; secondly, after the fixed material aligning arm of the first bulge and the movable material aligning arm provided with the second bulge are mutually matched with the side edge of the material limiting sheet, the rubber band can be effectively reduced from being accidentally clamped between the fixed material aligning arm and the material limiting sheet, and the rubber band can be also reduced from being accidentally clamped between the movable material aligning arm and the material limiting sheet; and the effective contact area of the fixed material aligning arm end part and the movable material aligning arm end part to the rubber band is increased, so that the pushing effect of the rubber band is further improved.
Preferably, the feeding device further comprises a first positioning block and a second positioning block, wherein the first positioning block is fixed on the left frame body, the second positioning block is connected to the left frame body in a sliding manner, a positioning space for materials to pass through is formed between the first positioning block and the second positioning block, the ends of the first positioning block and the second positioning block extend into the blanking space, and the positioning block can be abutted to the side walls of the first positioning block and the second positioning block.
According to the technical scheme, in the process that the rubber band sags to a U-shaped state in the blanking space, on one hand, the positioning space formed between the first positioning block and the second positioning block can have a certain limiting effect on the rubber band; on the other hand, the fixed material aligning arm and the movable material aligning arm are also positioned at the left side and the right side of the rubber band, the movable material aligning arm is driven by the material aligning driving piece to move, and the movable material aligning arm is matched with the fixed material aligning arm, so that the rubber band originally positioned on the left frame body and the right frame body can be pushed in alignment; the rubber band after cutting and welding has higher integrity.
Drawings
FIG. 1 is a schematic diagram of an embodiment;
FIG. 2 is a schematic view of a bottom view of an embodiment;
fig. 3 is a schematic structural diagram of the position of the material matching part in the embodiment.
Reference numerals: 1. a frame; 11. a left frame body; 12. a right frame body; 2. a blanking space; 3. a feeding part; 4. welding and cutting the piece; 41. an ultrasonic vibration head; 42. cutting and welding; 43. cutting and welding a driving piece; 5. a fixed material driving piece; 6. a material fixing frame; 7. a material aligning part; 71. a material alignment adjusting piece; 711. a material aligning adjusting screw; 72. fixing a material aligning arm; 73. a movable material aligning arm; 74. a material aligning driving member; 75. a material aligning port; 8. a sizing block; 9. a fixed material spring; 102. a first protrusion; 13. a second protrusion; 14. limiting material sheets; 15. a first positioning block; 16. a second positioning block; 17. positioning space.
Detailed Description
The following detailed description of the utility model is provided in connection with the accompanying drawings to facilitate understanding and grasping of the technical scheme of the utility model.
The utility model provides an adjustment alignment mechanism is sewed up to elastic band, see fig. 1, including frame 1, this frame 1 includes left support body 11, right support body 12, leaves unloading space 2 between this left support body 11 and this right support body 12.
Referring to fig. 1, the left frame 11 and the right frame 12 are each provided with a feeding portion 3. The feeding part 3 can be a driving feeding roller, a driven feeding roller and a driving feeding driving member, the driving feeding driving member can be a driving motor, and the driving feeding driving member is used for driving the driving feeding roller to rotate, and the elastic band passes through between the driving feeding roller and the driven feeding roller. The two ends of the elastic band are respectively controlled by the feeding part 3 on the left frame body 11 and the feeding part 3 on the right frame body 12, the elastic band can be hung in the blanking space 2, and the hung elastic band can be in a U-shaped state.
Referring to fig. 1, a welding and cutting piece 4 is further installed on the frame 1, and the welding and cutting piece 4 is used for welding, cutting and forming the elastic band which is hung in the blanking space 2 in a U-shaped state into an elastic band ring.
Referring to fig. 1 and 2, the welding and cutting member 4 includes an ultrasonic vibration head 41, a cutting and welding blade 42, and a cutting and welding driving member 43, where the ultrasonic vibration head 41 is mounted on the left frame 11, the cutting and welding blade 42 is mounted on the right frame 12, and the cutting and welding driving member 43 is used for driving the cutting and welding blade 42 to move toward a side close to or far from the ultrasonic vibration head 41, and the ultrasonic vibration head 41 and the cutting and welding blade 42 cooperate with each other to cut and weld the rubber band in the blanking space 2.
Referring to fig. 1 and 2, a fixed material driving member 5 and a fixed material rack 6 are provided on the right frame body 12. The fixed material driving piece 5 can be an air cylinder or an electric cylinder, and the fixed material driving piece 5 is used for driving the fixed material rack 6 to move towards one side close to or far away from the left rack body 11.
Referring to fig. 2 and 3, a material aligning portion 7 is provided on the material fixing frame 6, and the material aligning portion 7 is located at a position below the solder member 4. The material aligning part 7 comprises a fixed material aligning arm 72, a movable material aligning arm 73 and a material aligning driving member 74, wherein a material aligning opening 75 is formed between the fixed material aligning arm 72 and the movable material aligning arm 73, the material aligning opening 75 faces one side of the blanking space 2, the rubber band is provided with the material aligning opening 75, and the material aligning driving member 74 is used for driving the movable material aligning arm 73 to move and controlling the opening of the material aligning opening 75.
Referring to fig. 3, the material aligning portion 7 further includes a material aligning adjusting member 71, where the material aligning adjusting member 71 includes a material aligning adjusting screw 711 rotatably connected to the material fixing frame 6, the fixed material aligning arm 72 is separately disposed from the material fixing frame 6, the material aligning adjusting screw 711 penetrates through and is screwed to the fixed material aligning arm 72, and the material aligning adjusting screw 711 is used for driving the fixed material aligning arm 72 to move and controlling the limit opening of the material aligning opening 75.
Referring to fig. 2 and 3, a first protrusion 102 is disposed at an end of the fixed alignment arm 72 near the left frame 11, a second protrusion 13 is disposed at an end of the movable alignment arm 73 near the left frame 11, and both the protrusion direction of the first protrusion 102 and the protrusion direction of the second protrusion 13 are upward.
Referring to fig. 2 and 3, a limiting plate 14 is disposed on the fixed frame 6, the limiting plate 14 extends to the left frame 11, and the side of the limiting plate 14 is close to the first protrusion 102 and the second protrusion 13.
Referring to fig. 1, the rubber band fixing device further comprises a first positioning block 15 and a second positioning block 16, wherein the first positioning block 15 is fixed on the left frame 11, the second positioning block 16 is slidably connected on the left frame 11, and a positioning space 17 for passing the rubber band is formed between the first positioning block 15 and the second positioning block 16. The ends of the first positioning block 15 and the second positioning block 16 extend into the blanking space 2.
Referring to fig. 2 and 3, a fixed material block 8 is further provided, a fixed material spring 9 is connected between the fixed material block 8 and the fixed material frame 6, the fixed material block 8 is located above the welding and cutting piece 4, the fixed material driving piece 5 is used for driving the fixed material frame 6 to move towards one side close to or far away from the left frame body 11, and the fixed material block 8 is matched with the side wall of the left frame body 11 to clamp the rubber band. The positioning block 8 can be abutted against the side walls of the first positioning block 15 and the second positioning block 16.
Actual working conditions:
(1) According to the width of the batch of rubber bands, the size of a positioning space 17 between the first positioning block 15 and the second positioning block 16 is adjusted, and meanwhile, the position of the fixed alignment arm 72 is adjusted through the alignment adjusting screw 711, and the limit opening size of an alignment opening 75 between the fixed alignment arm 72 and the movable alignment arm 73 is adjusted;
(2) The two ends of the elastic band are respectively positioned in the feeding parts 3 of the left frame body 11 and the right frame body 12, namely, the end parts of the elastic band are clamped between the driving feeding roller and the driven feeding roller, the middle part of the elastic band is positioned in the blanking space 2, and the elastic band positioned in the blanking space 2 forms a U-shaped hanging form;
(3) The positioning driving piece 5 drives the positioning frame 6 and the positioning block 8 to move towards the left frame body 11, the positioning block 8 is firstly propped against the first positioning block 15 and the second positioning block 16 positioned in the blanking space 2, and the ends of the rubber band positioned close to the left frame body 11 and the right frame body 12 are simultaneously extruded in the positioning space 17, so that the upper end position of the rubber band positioned in the blanking space 2 is reduced;
(4) Meanwhile, the fixed material driving piece 5 drives the material aligning part 7 to move towards the left frame body 11 through the fixed material frame 6, the rubber band positioned in the blanking space 2 is positioned in the material aligning opening 75, the movable material aligning arm 73 is driven by the material aligning driving piece 74 to move towards the fixed material aligning arm 72, the movable material aligning arm 73 and the fixed material aligning arm 72 can be abutted against two sides of the rubber band, and two rubber bands positioned in the blanking space 2 after U-shaped bending are abutted and aligned;
(5) The cutting and welding driving piece 43 drives the cutting and welding knife 42 to move towards the left frame 11, the cutting and welding knife 42 positioned below the positioning block 8 is matched with the ultrasonic vibration head 41 to generate a welding and cutting effect on the upper end of the elastic band, and the formed elastic band ring structure is in a state shown in fig. 6 in the Chinese patent publication No. CN 217104283U.
Of course, the above is only a typical example of the utility model, and other embodiments of the utility model are also possible, and all technical solutions formed by equivalent substitution or equivalent transformation fall within the scope of the utility model claimed.
Claims (7)
1. The utility model provides an alignment mechanism is sewed up in rubber band area, includes frame (1), frame (1) includes left support body (11), right support body (12), left side support body (11) with leave unloading space (2) between right support body (12), left side support body (11) with all install pay-off portion (3) on right support body (12), still install on frame (1) and weld and cut piece (4), weld and cut piece (4) and be used for carrying out welding, cutting into rubber band circle, characterized by to the material in unloading space (2):
a fixed material driving piece (5) is arranged on the right frame body (12);
still include fixed work or material rest (6), fixed material driving piece (5) are used for driving fixed work or material rest (6) to be close to or keep away from left side support body (11) one side is removed, be equipped with on fixed work or material rest (6) to material portion (7), to material portion (7) including fixed to material arm (72), activity to material arm (73), to material driving piece (74), fixed to material arm (72) with be formed with between the activity to material arm (73) to material mouth (75), to material mouth (75) orientation unloading space (2) one side, the rubber band area is passed through to material mouth (75), to material driving piece (74) are used for the drive the activity to material arm (73) remove and are used for controlling to material mouth (75) aperture size.
2. The elastic band sewing adjustment alignment mechanism of claim 1, wherein: the material aligning part (7) comprises a material aligning adjusting piece (71), the material aligning adjusting piece (71) comprises a material aligning adjusting screw (711) which is rotationally connected to the fixed material rack (6), the fixed material aligning arm (72) and the fixed material rack (6) are arranged in a split mode, the material aligning adjusting screw (711) penetrates through and is in threaded connection with the fixed material aligning arm (72), and the material aligning adjusting screw (711) is used for driving the fixed material aligning arm (72) to move and controlling the opening of the material aligning opening (75).
3. The elastic band sewing adjustment alignment mechanism of claim 1, wherein: the welding and cutting piece (4) comprises an ultrasonic vibration head (41), a cutting and welding cutter (42) and a cutting and welding driving piece (43), wherein the ultrasonic vibration head (41) is installed on the left frame body (11), the cutting and welding cutter (42) is installed on the right frame body (12), the cutting and welding driving piece (43) is used for driving the cutting and welding cutter (42) to move towards or away from one side of the ultrasonic vibration head (41), and the ultrasonic vibration head (41) and the cutting and welding cutter (42) are mutually matched to cut and weld the rubber band in the blanking space (2).
4. A mechanism for adjusting and aligning a rubber band stitching according to any one of claims 1-3, characterized in that: still include fixed material piece (8), fixed material piece (8) with be connected with fixed material spring (9) between fixed work or material rest (6), fixed material piece (8) are located weld the top position of cutting piece (4), fixed material driving piece (5) are used for driving fixed work or material rest (6) to be close to or keep away from left support body (11) one side is removed, fixed material piece (8) with left support body (11) lateral wall mutually support in order to carry out the centre gripping to the rubber band area.
5. The elastic band sewing adjustment alignment mechanism of claim 4, wherein: the material matching part (7) is positioned below the welding and cutting piece (4).
6. The elastic band sewing adjustment alignment mechanism of claim 1, wherein:
the end part of the fixed material aligning arm (72) close to the left frame body (11) is provided with a first bulge (102), the end part of the movable material aligning arm (73) close to the left frame body (11) is provided with a second bulge (13), and the bulge direction of the first bulge (102) and the bulge direction of the second bulge (13) are both upward;
the material fixing frame (6) is provided with a material limiting sheet (14), the material limiting sheet (14) extends to one side of the left frame body (11), and the side edge of the material limiting sheet (14) is close to the first protrusion (102) and the second protrusion (13).
7. The elastic band sewing adjustment alignment mechanism of claim 4, wherein: still include first locating piece (15), second locating piece (16), first locating piece (15) are fixed in on left support body (11), second locating piece (16) slide connect in on left support body (11), first locating piece (15) with form between second locating piece (16) and supply location space (17) that the material passed through, first locating piece (15) with in second locating piece (16) tip extends to unloading space (2), location piece (8) can with first locating piece (15), second locating piece (16) lateral wall offset.
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CN202320322456.4U CN219600426U (en) | 2023-02-10 | 2023-02-10 | Adjusting and aligning mechanism for stitching elastic band |
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CN202320322456.4U CN219600426U (en) | 2023-02-10 | 2023-02-10 | Adjusting and aligning mechanism for stitching elastic band |
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CN202320322456.4U Active CN219600426U (en) | 2023-02-10 | 2023-02-10 | Adjusting and aligning mechanism for stitching elastic band |
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