CN110409068B - Sewing machine mop wheel device - Google Patents

Sewing machine mop wheel device Download PDF

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Publication number
CN110409068B
CN110409068B CN201910802009.7A CN201910802009A CN110409068B CN 110409068 B CN110409068 B CN 110409068B CN 201910802009 A CN201910802009 A CN 201910802009A CN 110409068 B CN110409068 B CN 110409068B
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mop wheel
driven
wheel
mop
rotating shaft
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CN110409068A (en
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胡繁
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Zhejiang Lejiang Machine Co ltd
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Zhejiang Lejiang Machine Co ltd
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    • DTEXTILES; PAPER
    • D05SEWING; EMBROIDERING; TUFTING
    • D05BSEWING
    • D05B33/00Devices incorporated in sewing machines for supplying or removing the work

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Sewing Machines And Sewing (AREA)

Abstract

The invention discloses a cloth dragging wheel device of a sewing machine, which is characterized in that a cloth dragging wheel device is arranged on a machine head (a machine head seat) of the sewing machine, so that the cloth dragging wheel starts to rotate continuously at the same time when the sewing machine works, the sewn fabric is discharged and separated, the accumulation of the fabric on a workbench is avoided, an operator is not required to manually discharge the fabric, and the working efficiency is improved.

Description

Sewing machine mop wheel device
Technical Field
The invention relates to the technical field of sewing machines, in particular to a cloth dragging wheel device of a sewing machine.
Background
In textile and clothing production enterprises, sewing machines are commonly used cloth processing equipment. In the process of sewing cloth, particularly when larger cloth is sewn, the length of cloth output by the sewing machine is longer, so that cloth on the table top of the sewing machine is easily accumulated, the workbench of the sewing machine is occupied, and the operation space of operators is influenced; meanwhile, in the sewing process, operators are required to continuously manually discharge the cloth output on the working table of the sewing machine, and great time and energy are wasted.
When the sewing machine works, the teeth below the presser feet are matched with the presser feet to realize cloth feeding, so that the phenomenon of easy slipping exists in the conventional cloth feeding mode, the sewn stitches are inconsistent, the attractiveness is affected, the problem that the cloth feeding is difficult for some special fabrics exists, even the work cannot be performed normally, the processing speed of the sewing machine is affected, and the working efficiency is reduced.
Disclosure of Invention
The invention aims to provide a cloth dragging wheel device of a sewing machine, which is characterized in that a cloth dragging wheel device is arranged on a machine head (a machine head seat) of the sewing machine, so that the cloth dragging wheel starts to rotate continuously at the same time when the sewing machine works, the sewn fabric is discharged and separated, the accumulation of the cloth on a workbench is avoided, an operator is not required to manually discharge the cloth, and the working efficiency is improved.
The technical scheme for solving the problems is as follows: the mop wheel device of the sewing machine comprises a mop wheel assembly arranged on a machine head of the sewing machine, wherein the mop wheel assembly comprises an eccentric wheel connected with a transmission shaft on the machine head, an eccentric wheel connecting rod arranged on the eccentric wheel, a mop wheel fixing frame arranged on the machine head, a mop wheel rotating shaft arranged on the mop wheel fixing frame, a mop wheel fixed on the mop wheel rotating shaft, and a connecting rod with one end rotationally connected with the eccentric wheel connecting rod and the other end rotationally connected with a first rotating shaft through a one-way bearing, and the machine head is also provided with a mounting hole for the first rotating shaft to pass through; and a conveying belt is connected between the mop wheel rotating shaft and the first rotating shaft, and unidirectional rotation of the mop wheels on the mop wheel fixing frame is completed through the unidirectional bearing and the conveying belt.
Further, still including locating driven mopping wheel subassembly and recess on the frame of flush joint machine, driven mopping wheel subassembly is including locating mount pad on the recess, connect through two guide pillars the base of mount pad, both ends have the confession the driven mopping wheel support of the through-hole that the guide pillar passed, locate driven shaft on the driven mopping wheel support and locate driven mopping wheel on the driven shaft, two still overlap on the guide pillar and be equipped with and be used for the butt the telescopic spring of mop wheel support bottom.
Further, the mop cloth lifting device also comprises a lifting component which is arranged below the machine base and used for lifting the driven mop cloth wheel support, wherein the lifting component comprises a driven mop cloth wheel lifting lever, a push rod with one end connected with the driven mop cloth wheel lifting lever and a transmission rod with one end connected with the driven mop cloth wheel lifting lever and the other end penetrating through a through hole in the base, the driven mop cloth wheel lifting lever is deflected through stretching the push rod, and then the transmission rod is driven to move to finish lifting the mop cloth wheel support.
Further, the lifting assembly further comprises a second rotating shaft fixed on the base and a pulley arranged on the second rotating shaft, and the transmission rod passes through the through hole on the base and then is abutted against the inner wall of the groove on the pulley.
Further, the transmission rod is an L-shaped transmission rod.
Further, the machine head comprises an adjusting piece which is arranged on the machine head and used for adjusting tightness of the conveyor belt, and the adjusting piece comprises an adjusting seat with a strip-shaped hole, a column body which is arranged on the adjusting seat and used for abutting against the conveyor belt, and a screw which is used for penetrating through the strip-shaped hole and used for installing the adjusting seat.
Further, the first rotating shaft and the cloth dragging wheel rotating shaft are respectively provided with a belt pulley used for being connected with a conveying belt.
Further, tooth grooves are formed in the cloth dragging wheel.
Further, a rubber film is sleeved on the driven cloth dragging wheel.
The invention has the beneficial effects that: 1. according to the cloth dragging wheel device of the sewing machine, the cloth dragging wheel assembly is arranged on the machine head of the sewing machine, and can rotate in one direction continuously when the sewing machine works, namely, only rotates in one direction clockwise or anticlockwise, the sewn fabric can be continuously discharged outwards, so that the sewn fabric cannot be accumulated on a workbench of the sewing machine, and normal operation of operators cannot be influenced; 2. the device can also comprise a driven cloth dragging wheel assembly arranged on a base of the sewing machine and used for being matched with the cloth dragging wheel to rotate and clamp the fabric for transportation, the driven cloth dragging wheel assembly is provided with an expansion spring, the driven cloth dragging wheel can be extruded and lowered for thicker fabric, the driven cloth dragging wheel can keep good contact with the fabric through the elasticity of the spring, and then the driven cloth dragging wheel is matched with the cloth dragging wheel to clamp the fabric for transportation; 3. the device can also include lifting unit, to thinner surface fabric, the accessible lifting unit improves driven mop wheel support's height, and then makes driven mop wheel and surface fabric looks butt, cooperates the mop wheel to carry out better centre gripping to the surface fabric and realizes the purpose of arranging and send.
Drawings
Fig. 1 is a structural view of a cloth wheel device of a sewing machine according to the present invention.
Fig. 2 is a block diagram of a mop wheel assembly according to one embodiment of the present invention.
Fig. 3 is a block diagram of a driven mop wheel assembly according to one embodiment of the present invention.
Fig. 4 is an exploded view of a mop wheel assembly according to one embodiment of the present invention.
Fig. 5 is an exploded view of a driven mop wheel assembly according to one embodiment of the present invention.
In the figure:
1-a machine head; 2-a transmission shaft; 3-eccentric wheel; 4-eccentric wheel connecting rod; 5-a one-way bearing; 6-a first rotating shaft; 7-connecting rods; 8-a mop wheel fixing frame; 81-a cloth dragging wheel rotating shaft; 82-a cloth dragging wheel; 821-tooth slots; 9-mounting holes; 10-a conveyor belt; 11-a stand; 12-grooves; 13-a mounting base; 14-guide posts; 15-a base; 151-through holes; 16-a driven mop wheel support; 161-cylindrical holes; 162-driven shaft; 17-a driven cloth dragging wheel; 18-a telescopic spring; 19-lifting the lever by the driven cloth dragging wheel; 20-ejector rods; 21-a transmission rod; 22-a second rotating shaft; 23-pulleys; 24-adjusting seat; 241-bar-shaped holes; 242-column; 25-screws; 26-pulley.
Detailed Description
In order to more clearly illustrate the embodiments of the present invention and the technical solutions in the prior art, the following description will explain specific embodiments of the present invention with reference to the accompanying drawings. It is obvious that the drawings in the following description are only examples of the invention, from which other drawings can be obtained and from which other embodiments can be obtained without inventive effort for a person skilled in the art, and that the invention is not limited to these examples.
Please refer to fig. 1 to 5. The invention provides a mop wheel device of a sewing machine, which comprises a mop wheel assembly arranged on a machine head 1 of a lockstitch sewing machine, wherein the mop wheel assembly comprises an eccentric wheel 3 connected with a transmission shaft 2 on the machine head 1, an eccentric wheel connecting rod 4 arranged on the eccentric wheel 3, a mop wheel fixing frame 8 arranged on the machine head 1, a mop wheel rotating shaft 81 arranged on the mop wheel fixing frame 8, a mop wheel 82 fixed on a mop wheel rotating shaft 81, and a connecting rod 7 with one end rotationally connected with the eccentric wheel connecting rod 4 and the other end rotationally connected with a first rotating shaft 6 through a one-way bearing 5, and the machine head 1 is also provided with a mounting hole 9 for the first rotating shaft 6 to pass through; a conveyor belt 10 is connected between the mop wheel rotating shaft 81 and the first rotating shaft 6, and unidirectional rotation of the mop wheel 82 on the mop wheel fixing frame 8 is completed through the unidirectional bearing 5 and the conveyor belt 10.
It is added that the one-way bearing 5 is a bearing which can rotate freely in one direction and is locked in the other direction, and the purpose of this is that the eccentric wheel 3 is driven to rotate by the transmission shaft 2, so that the eccentric wheel connecting rod 4 pushes the connecting rod 7 to reciprocate and further drive the first rotating shaft 6 to rotate, and when the connecting rod 7 rotates, the first rotating shaft 6 is in a short stopping state until the next rotating process is entered due to the effect of the one-way bearing 5, and the rotation cannot occur, namely the one-way rotation of the first rotating shaft 6 is ensured.
Please refer to fig. 1, 3 and 5 again. In this example, the fabric clamping device may further include a driven mop wheel assembly and a groove 12 disposed on the frame 11 of the lockstitch sewing machine, the driven mop wheel assembly includes a mounting seat 13 disposed on the groove 12, a base 15 connected to the mounting seat 13 through two guide posts 14, a driven mop wheel support 16 having cylindrical holes 161 at two ends for the guide posts 14 to pass through, a driven shaft 162 disposed on the driven mop wheel support 16, and a driven mop wheel 17 disposed on the driven shaft 162, where the two guide posts 14 are further sleeved with a telescopic spring 18 for abutting against the bottom of the driven mop wheel support 16, and in this way, the driven mop wheel 17 is disposed to rotate in cooperation with the mop wheel 82 to clamp the fabric for transportation, and for thicker fabric, the driven mop wheel 17 can be pressed down, and is kept in good contact with the fabric through the telescopic spring 18, so as to cooperate with the mop wheel 82 to clamp the fabric for discharging.
Please refer to fig. 5 again. In this example, the lifting assembly is further configured to lift the driven mop wheel support 16 and includes a driven mop wheel lifting lever 19, a push rod 20 with one end connected to the driven mop wheel lifting lever 19, and a driving rod 21 with one end connected to the driven mop wheel lifting lever 19 and the other end passing through the through hole 151 on the base 15, where the driven mop wheel lifting lever 19 is deflected by stretching the push rod 20, so as to drive the driving rod 21 to move to complete lifting of the driven mop wheel support 16, so that the lifting assembly is used to raise the height of the driven mop wheel support 16 for thinner fabric, so that the driven mop wheel 17 can be abutted to the fabric, and the driven mop wheel 82 is matched to perform better clamping on the fabric to achieve the purpose of discharging.
To supplement, the driven mop wheel lifting lever 19 and the driving rod 21 and the ejector rod 20 form a lever structure, that is, the driven mop wheel lifting lever 19 swings around one fixed end thereof by stretching the ejector rod 20, so as to drive the driving rod 21 to move, and it should be understood that when the driven mop wheel lifting lever 19 swings, the driving rod 21 can be laterally displaced and vertically displaced, that is, the height changes, so that the driven mop wheel support 16 is driven to rise or fall by the base 15; the base 15 is provided with the guide posts 14, the guide posts 14 are driven to ascend when the base 15 ascends, the two guide posts 14 respectively penetrate through the two cylindrical holes 161 on the driven mop wheel support 16, the telescopic springs 18 are abutted between the base 15 and the driven mop wheel support 16, the telescopic springs 18 are compressed by the driven mop wheel support 16 when the guide posts 14 ascend to generate elastic force, and the driven mop wheel support 16 is further pushed to ascend, so that the driven mop wheel 17 ascends to abut against fabrics, and the aim of discharging thinner fabrics is achieved by matching with the mop wheel 82.
In this example, the lifting assembly further includes a second rotating shaft 22 fixed on the base 15, and a pulley 23 disposed on the second rotating shaft 22, where the driving rod 21 passes through the through hole 151 on the base 15 and then abuts against an inner wall of a groove (not shown in the figure) on the pulley 23, so that when the driven mop wheel lifting lever 19 swings, the driving rod 21 can generate a lateral displacement and a displacement in a vertical direction, and the displacement in the vertical direction can make the driven mop wheel 17 rise or fall, as described above. Then the transverse displacement can be solved by passing the transmission rod 21 through the through hole 151 on the base 15, so that when the transmission rod 21 is displaced in the transverse displacement and the vertical direction to drive the driven mop wheel support 16 to ascend or descend, the transmission rod 21 needs to be ensured to be displaced in the transverse direction effectively on the base 15, therefore, the transmission rod 21 passes through the through hole 151 on the base 15 and then is abutted against the inner wall of the groove (not shown in the figure) on the pulley 23 by arranging the second rotating shaft 22 and the pulley 23 on the base 15, thereby ensuring that the transmission rod 21 is effectively abutted against the transmission rod 21 through the two through holes 151 on the base 15 and the pulley 23, ensuring that the transmission rod 21 is effectively displaced in the transverse direction to drive the base to ascend, and simultaneously realizing the reduction of friction force with the transmission rod 21 to a certain extent by the rotation of the pulley 23, and prolonging the service life of the machine.
In this example, one embodiment of the transmission rod 21 may be an L-shaped transmission rod, and may be a steel wire with a suitable thickness to implement the function thereof.
Please refer to fig. 1 and fig. 4 again. In this example, the device may further include an adjusting member disposed on the machine head 1 for adjusting tightness of the conveyor belt 10, where the adjusting member includes an adjusting seat 24 having a bar-shaped hole 241, a column 242 disposed on the adjusting seat 24 for abutting against the conveyor belt 10, and a screw 25 for fixing the adjusting seat 24 through the bar-shaped hole 241; the belt pulley 26 for connecting the conveyor belt 10 can be arranged on the first rotating shaft 6 and the cloth dragging wheel rotating shaft 81, the position of the adjusting seat 24 on the machine head 1 can be adjusted through the strip-shaped hole 241 and the screw 25, and the extrusion force of the conveyor belt 10 can be further adjusted by the adjusting column 242, so that the tightness of the conveyor belt 10 in conveying or on the belt pulley 26 can be adjusted, and the better transmission is facilitated.
Please refer again to fig. 1 and 4. In this example, one embodiment of the mop wheel 82 may be provided with tooth grooves 821, including but not limited to tooth grooves 821, and may also be provided with protrusions, bar grooves, etc., which can increase certain friction to facilitate the fabric discharging.
In this case, a rubber film (not shown in the figure) may be sleeved on the driven cloth dragging wheel 17, so that the driven cloth dragging wheel 17 should have a certain friction force, so that the driven cloth dragging wheel does not slip when contacting with the fabric, and the driven cloth dragging wheel 82 is convenient to clamp the fabric and discharge the fabric.
Specific embodiments of the present invention are described in detail above. It should be understood that numerous modifications and variations can be made in accordance with the concepts of the invention by one of ordinary skill in the art without undue burden. Therefore, all technical solutions which are available in the prior art through logic analysis, reasoning or limited experiments by those skilled in the art, which are considered by the present invention, shall be within the scope of protection defined by the present claims.

Claims (5)

1. The utility model provides a sewing machine mop wheel device, includes the mop wheel subassembly that is used for installing on flush joint machine's aircraft nose (1), its characterized in that: the mop wheel assembly comprises an eccentric wheel (3) connected to a transmission shaft (2) on the machine head (1), an eccentric wheel connecting rod (4) arranged on the eccentric wheel (3), a mop wheel fixing frame (8) arranged on the machine head (1), a mop wheel rotating shaft (81) arranged on the mop wheel fixing frame (8), a mop wheel (82) fixed on a mop wheel rotating shaft (81) and a connecting rod (7) with one end rotationally connected with the eccentric wheel connecting rod (4) and the other end rotationally connected with a first rotating shaft (6) through a one-way bearing (5), wherein the machine head (1) is also provided with a mounting hole (9) for the first rotating shaft (6) to pass through; a conveyor belt (10) is connected between the mop wheel rotating shaft (81) and the first rotating shaft (6), and unidirectional rotation of the mop wheel (82) on the mop wheel fixing frame (8) is completed through the unidirectional bearing (5) and the conveyor belt (10);
the automatic fabric sewing machine comprises a frame (11) and a sewing machine body, and is characterized by further comprising a driven mop wheel assembly and a groove (12), wherein the driven mop wheel assembly comprises a mounting seat (13) arranged on the groove (12), a base (15) connected with the mounting seat (13) through two guide posts (14), driven mop wheel supports (16) with cylindrical holes (161) for the guide posts (14) to pass through at two ends, a driven shaft (162) arranged on the driven mop wheel supports (16) and a driven mop wheel (17) arranged on the driven shaft (162), and two telescopic springs (18) used for being abutted against the bottoms of the driven mop wheel supports (16) are sleeved on the two guide posts (14);
the lifting assembly is arranged below the base (11) and used for lifting the driven mop wheel support (16), and comprises a driven mop wheel lifting lever (19), a push rod (20) with one end connected with the driven mop wheel lifting lever (19) and a transmission rod (21) with one end connected with the driven mop wheel lifting lever (19) and the other end penetrating through a through hole (151) in the base (15), and the driven mop wheel lifting lever (19) is deflected by stretching the push rod (20) so as to drive the transmission rod (21) to move to finish lifting the driven mop wheel support (16);
the lifting assembly further comprises a second rotating shaft (22) fixed on the base (15) and a pulley (23) arranged on the second rotating shaft (22), and the transmission rod (21) passes through a through hole (151) on the base (15) and then is abutted against the inner wall of a groove on the pulley (23);
the transmission rod (21) is an L-shaped transmission rod.
2. A sewing machine mop wheel assembly according to claim 1 wherein: the machine head is characterized by further comprising an adjusting piece arranged on the machine head (1) and used for adjusting tightness of the conveyor belt (10), wherein the adjusting piece comprises an adjusting seat (24) with a strip-shaped hole (241), a column body (242) arranged on the adjusting seat (24) and used for abutting against the conveyor belt (10) and a screw (25) used for penetrating through the strip-shaped hole (241) to install the adjusting seat (24).
3. A sewing machine mop wheel assembly according to claim 1 wherein: the first rotating shaft (6) and the mop rotating shaft (81) are respectively provided with a belt pulley (26) used for being connected with the conveyor belt (10).
4. A sewing machine mop wheel assembly according to claim 1 wherein: and tooth grooves (821) are formed in the mop wheel (82).
5. A sewing machine mop wheel assembly according to claim 1 wherein: the driven cloth dragging wheel (17) is sleeved with a rubber film.
CN201910802009.7A 2019-08-28 2019-08-28 Sewing machine mop wheel device Active CN110409068B (en)

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Application Number Priority Date Filing Date Title
CN201910802009.7A CN110409068B (en) 2019-08-28 2019-08-28 Sewing machine mop wheel device

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Application Number Priority Date Filing Date Title
CN201910802009.7A CN110409068B (en) 2019-08-28 2019-08-28 Sewing machine mop wheel device

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CN110409068A CN110409068A (en) 2019-11-05
CN110409068B true CN110409068B (en) 2024-04-05

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07124356A (en) * 1993-10-28 1995-05-16 Pegasus Sewing Mach Mfg Co Ltd Auxiliary feeding device for sewing apparatus
JP2005334234A (en) * 2004-05-26 2005-12-08 Pegasus Sewing Mach Mfg Co Ltd Cylinder type valance stitch sewing machine
CN202347240U (en) * 2011-12-12 2012-07-25 中国标准缝纫机公司上海惠工缝纫机三厂 Cloth dragging device for auxiliary device of sewing machine
CN108560153A (en) * 2018-07-04 2018-09-21 大连双彬缝纫设备有限公司 Mop wheel apparatus
CN210916538U (en) * 2019-08-28 2020-07-03 浙江乐江机械有限公司 Cloth dragging wheel device of sewing machine

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07124356A (en) * 1993-10-28 1995-05-16 Pegasus Sewing Mach Mfg Co Ltd Auxiliary feeding device for sewing apparatus
JP2005334234A (en) * 2004-05-26 2005-12-08 Pegasus Sewing Mach Mfg Co Ltd Cylinder type valance stitch sewing machine
CN202347240U (en) * 2011-12-12 2012-07-25 中国标准缝纫机公司上海惠工缝纫机三厂 Cloth dragging device for auxiliary device of sewing machine
CN108560153A (en) * 2018-07-04 2018-09-21 大连双彬缝纫设备有限公司 Mop wheel apparatus
CN210916538U (en) * 2019-08-28 2020-07-03 浙江乐江机械有限公司 Cloth dragging wheel device of sewing machine

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