CN210684143U - Mop device for sewing machine - Google Patents
Mop device for sewing machine Download PDFInfo
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- CN210684143U CN210684143U CN201920966194.9U CN201920966194U CN210684143U CN 210684143 U CN210684143 U CN 210684143U CN 201920966194 U CN201920966194 U CN 201920966194U CN 210684143 U CN210684143 U CN 210684143U
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- wheel
- mop
- belt
- guide
- cloth
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Abstract
The utility model discloses a mop device for a sewing machine, which has larger mop force. A cloth dragging device for a sewing machine comprises a mounting frame, a driving wheel arranged on the mounting frame, and a first cloth dragging wheel positioned below the driving wheel, and further comprises a second cloth dragging wheel and a belt tensioned on the driving wheel, the first cloth dragging wheel and the second cloth dragging wheel; the first mop wheel and the second mop wheel are movably connected to the mounting frame through a connecting component so as to adapt to the change of the thickness of the cloth; when the mop device is in a working state, the belt between the first mop wheel and the second mop wheel horizontally extends to form a mop section, and the mop section is positioned below the first mop wheel and the second mop wheel to drive the cloth to move.
Description
Technical Field
The utility model belongs to the sewing machine field, concretely relates to a mop device for sewing machine.
Background
The sewing equipment who uses at present need set up mop mechanism and assist and drag the cloth backward, guarantees that the planarization of cloth and suture density degree are unanimous. Chinese patent CN207259725U discloses a cloth dragging wheel device of a sewing machine, which comprises a mounting bracket, a first motor, a connecting rod portion, a dragging wheel, a connecting mechanism and a belt transmission device, wherein the mounting bracket is pivotally connected to the connecting rod portion, the dragging wheel is fixedly connected to the connecting rod portion, the first motor is connected to the dragging wheel through the belt transmission device, so that the first motor drives the dragging wheel to rotate, the second motor is connected to the connecting rod portion through the connecting mechanism, and in a natural state, the connecting rod portion is in a pressing-down state, and the second motor drives the connecting rod portion to be lifted up, thereby driving the dragging wheel to be lifted up.
However, for sewing of cloth with uneven thickness, especially for cloth formed by splicing a plurality of pieces of fabric, the thickness of the seam is several times of that of other parts, so that when the seam is sewn, the existing cloth dragging wheel device is not enough to drag the cloth backwards in time, the moving speed of the cloth is reduced, the stitches are dense, and the sewing effect is not ideal enough.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the defects and problems existing in the prior art and provide a mop device for a sewing machine, which has larger mop force.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a cloth dragging device for a sewing machine comprises a mounting frame, a driving wheel arranged on the mounting frame, and a first cloth dragging wheel positioned below the driving wheel, and further comprises a second cloth dragging wheel and a belt tensioned on the driving wheel, the first cloth dragging wheel and the second cloth dragging wheel; the first mop wheel and the second mop wheel are movably connected to the mounting frame through a connecting component so as to adapt to the change of the thickness of the cloth; when the mop device is in a working state, the belt between the first mop wheel and the second mop wheel horizontally extends to form a mop section, and the mop section is positioned below the first mop wheel and the second mop wheel to drive the cloth to move.
Preferably, the connecting member comprises a spring.
More preferably, the connecting member includes a support plate and a support pin rotatably connected to a first end of the support plate, the first mop wheel is rotatably mounted on a second end of the support plate, the second mop wheel is rotatably mounted on a third end of the support plate, and the first end, the second end and the third end of the support plate are triangularly arranged; the mounting bracket includes a support body on which the support pin is slidably disposed, and the spring is disposed between the support body and the support pin.
Further, the connecting part comprises a pressure adjusting bolt for adjusting the reset force of the spring, the pressure adjusting bolt is movably arranged on the supporting body, and one end part of the spring is connected with the pressure adjusting bolt.
Furthermore, the spring is sleeved on the supporting pin, a guide handle is arranged on the supporting pin, and two end parts of the spring are respectively abutted against the pressure adjusting bolt and the guide handle.
Furthermore, the support body is provided with a guide part extending along the vertical direction, a guide handle is arranged on the support pin, and the guide handle can be connected to the guide part in a sliding manner along the vertical direction.
Furthermore, the guide part is a sliding groove arranged on the support body.
Preferably, the mop device further comprises a guide wheel, the guide wheel is in contact fit with the outer surface of the belt, and an included angle of less than 180 degrees is formed between a belt section between the guide wheel and the first mop wheel and a belt section between the guide wheel and the driving wheel.
Preferably, the inner surface of the belt is provided with teeth arranged at intervals along the length direction of the belt, and the wheel surface of at least one of the driving wheel, the first mop wheel and the second mop wheel is provided with teeth meshed with each other.
Preferably, the mop device further comprises a driven wheel arranged on the mounting frame, the driven wheel is in contact fit with the inner surface of the belt, the driven wheel is positioned between the driving wheel and the second mop wheel, the driving wheel is positioned above the first mop wheel and the second mop wheel, and an included angle which is larger than 90 degrees and smaller than 180 degrees is formed between a belt section between the driven wheel and the second mop wheel and the mop section.
The utility model adopts the above scheme, compare prior art and have following advantage:
first mop wheel and second mop wheel are through same adapting unit swing joint, can enough drive the belt through first mop wheel and second mop wheel and compress tightly the cloth, can adjust the height of first mop wheel and second mop wheel in real time according to cloth thickness again, but be located the belt level extension between first mop wheel and the second mop wheel, and the area of contact of cloth is great, can provide great support cloth power, also can in time remove the cloth to the great cloth of thickness change, and then make the suture density unanimous, have better sewing effect.
Drawings
In order to more clearly illustrate the technical solution of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic structural view of a mop device according to the present invention;
fig. 2 is a schematic view of another first mop wheel according to an embodiment of the present invention.
Wherein:
1. a driving wheel; 11. teeth; 2. a guide wheel; 3. a first mop wheel; 31. teeth; 4. a second mop wheel; 41. teeth; 5. a driven wheel; 6. a belt; 61. a mop section; 7. a connecting member; 71. a pressure adjusting bolt; 72. a spring; 73. a support pin; 74. a guide handle; 75. a support plate; 8. and a support body.
Detailed Description
The following detailed description of the preferred embodiments of the invention, taken in conjunction with the accompanying drawings, enables the advantages and features of the invention to be more readily understood by those skilled in the art. The present invention is defined in terms of the conventional viewing angle of the person skilled in the art and for convenience of description, and is not limited to a specific direction.
The embodiment provides a sewing machine, in particular to a mop device of the sewing machine. Referring to fig. 1, the mop device includes a mounting frame, a driving wheel 1 disposed on the mounting frame, a guide wheel 2 disposed on the mounting frame, a first mop wheel 3 and a second mop wheel 4 disposed under the driving wheel 1, a driven wheel 5 disposed on the mounting frame, and a belt 6. Wherein, belt 6 tensioning is on action wheel 1, first mop wheel 3, second mop wheel 4, follow driving wheel 5, and action wheel 1 is rotated by the motor drive to drive belt 6 and rotate. The first mop wheel 3 and the second mop wheel 4 are movably arranged on the mounting frame through the same connecting component to adapt to the change of the thickness of the cloth. When the mop device is in a working state, the belt 6 between the first mop wheel 3 and the second mop wheel 4 horizontally extends to form a mop section 61, the mop section 61 is positioned below the first mop wheel 3 and the second mop wheel 4, the surface of the mop section 61 is a horizontal surface and can be tightly attached to cloth, so that the mop device has a large contact area, and the cloth can be moved backwards in time for the cloth with large thickness change.
The inner surface of the belt 6 is provided with teeth which are arranged at intervals along the length direction of the belt 6, the wheel surface of the second mop wheel 4 is provided with teeth 41 which are matched with each other, and the teeth on the inner surface of the belt 6 are meshed with the teeth 41 of the second mop wheel 4. The wheel surface of the driving wheel 1 is provided with teeth 11 matched with the teeth on the belt, and the teeth on the inner surface of the belt 6 are meshed with the teeth 11 of the driving wheel 1. In this embodiment, the first mop wheel 3 has a smooth tread and is frictionally engaged with the inner surface of the belt 6. In other embodiments, as shown in fig. 2, the first mop wheel 3 may also be configured as the second mop wheel 4, that is, the wheel surface of the first mop wheel 3 is provided with teeth 31 matching with the teeth on the belt 6, and the teeth on the inner surface of the belt 6 are meshed with the teeth 31 of the first mop wheel 3.
The driven wheel 5 is in contact fit with the inner surface of the belt 6, the driven wheel 5 is positioned between the driving wheel 1 and the second mop wheel 4, and the driving wheel 1 is positioned above the first mop wheel 3 and the second mop wheel 4. The section of the belt 6 between the driven wheel 5 and the second mop wheel 4 forms an included angle of more than 90 degrees and less than 180 degrees with the mop section 61, so that cloth can enter the lower part of the mop section 61 conveniently.
The outer surface of guide pulley 2 and belt 6 contacts the cooperation, and the 6 sections of belt that lie in between guide pulley 2 and first mop wheel 3 and the 6 sections of belt that lie in between guide pulley 2 and action wheel 1 constitute and be greater than 90 degrees and be less than 180 degrees contained angles, and guide pulley 2 compresses tightly belt 6 inwards.
The connecting part 7 comprises a spring 72, when the thickness of the cloth is increased, the spring 72 is deformed or the deformation degree is increased so as to allow the first mop wheel 3 and the second mop wheel 4 to be upwards pushed by the cloth, so that the thickness of the cloth is adapted and thicker cloth is allowed to pass through; and when the thickness of the cloth is reduced, the spring 72 is reset to press the first and second mop wheels 3 and 4 against the cloth. In the embodiment, the connecting member 7 comprises a supporting plate 75 and a supporting pin 73 rotatably connected to a first end of the supporting plate 75 via a pivot, the first mop wheel 3 is rotatably mounted on a second end of the supporting plate 75, the second mop wheel 4 is rotatably mounted on a third end of the supporting plate 75, and the first end, the second end and the third end of the supporting plate 75 are arranged in a triangle; the two support plates 75 are arranged in parallel, and the first mop wheel 3 and the second mop wheel 4 are rotatably connected between the two support plates 75 through wheel shafts respectively. The mounting bracket comprises a supporting body 8, a supporting pin 73 is slidably arranged on the supporting body 8 in a penetrating way, and the spring 72 is arranged between the supporting body 8 and the supporting pin 73.
Further, the connecting member 7 further includes a pressure adjusting bolt 71 for adjusting the returning force of the spring 72. The pressure adjusting bolt 71 is movably provided on the support body 8, and one end of the spring 72 is in contact with the pressure adjusting bolt 71. The spring 72 is sleeved on the support pin 73, a guide handle 74 is arranged on the support pin 73, two end parts of the spring 72 respectively abut against the pressure adjusting bolt 71 and the guide handle 74, and the spring 72 is specifically a compression spring. The pressure adjusting bolt 71 is inserted into the upper portion of the support body 8, is screw-engaged with the support body 8, and is movable up and down with respect to the support body 8. An inner hole is formed in the pressure adjustment bolt 71, and the upper end portion of the support pin 73 is inserted into the inner hole and can move up and down with respect to the pressure adjustment bolt 71. The lower portion of the support pin 73 is inserted through the lower portion of the support body 8 so as to be slidable in the vertical direction.
The guide handle 74 is fixedly connected to the support pin 73, the support body 8 is provided with a guide portion extending in the up-down direction, and the guide handle 74 is connected to the guide portion so as to be slidable in the up-down direction. Specifically, in the present embodiment, the guide portion is a sliding groove formed in the support body 8, the sliding groove extends in the vertical direction, and one end portion of the guide handle 74 is slidably inserted into the sliding groove in the vertical direction, so that the support pin 73 is guided in a limited manner and can only move in the vertical direction, and horizontal rotation or swing is prevented.
The working process of the mop device is as follows: when the connecting part 7 is in the initial state, the first mop wheel 3 and the second mop wheel 4 are approximately level, the driving wheel 1 is driven by the motor to rotate, the belt 6 section running below the first mop wheel 3 and the second mop wheel 4 extends horizontally to form the mop section 61, the cloth is attached to the horizontally extending surface of the mop section 61, and the cloth is conveyed backwards; when sewing a thick portion of the cloth (such as a seam of a plurality of cloths), the cloth applies an upward pushing force to the first and second pulleys 3 and 4, the spring 72 contracts, and the support plate 75 rotates to allow the first and second pulleys 3 and 4 to move upward to fit the current thickness of the cloth, while the belt 6 still presses the cloth to feed it backward.
The above embodiments are only for illustrating the technical concept and features of the present invention, and are preferred embodiments, which are intended to enable persons skilled in the art to understand the contents of the present invention and to implement the present invention, and thus, the protection scope of the present invention cannot be limited thereby. All equivalent changes and modifications made according to the present invention shall be covered by the protection scope of the present invention.
Claims (10)
1. The utility model provides a mop device for sewing machine, includes the mounting bracket, set up in action wheel on the mounting bracket and be located a mop wheel of action wheel below, its characterized in that: the mop device also comprises a second mop wheel and a belt tensioned on the driving wheel, the first mop wheel and the second mop wheel; the first mop wheel and the second mop wheel are movably connected to the mounting frame through a connecting component so as to adapt to the change of the thickness of the cloth; when the mop device is in a working state, the belt between the first mop wheel and the second mop wheel horizontally extends to form a mop section, and the mop section is positioned below the first mop wheel and the second mop wheel to drive the cloth to move.
2. A mop device according to claim 1 characterised in that: the connecting member includes a spring.
3. A mop device according to claim 2 characterised in that: the connecting component comprises a supporting plate and a supporting pin which is rotatably connected to the first end part of the supporting plate, the first mop wheel is rotatably arranged on the second end part of the supporting plate, the second mop wheel is rotatably arranged on the third end part of the supporting plate, and the first end part, the second end part and the third end part of the supporting plate are arranged in a triangular shape; the mounting bracket includes a support body on which the support pin is slidably disposed, and the spring is disposed between the support body and the support pin.
4. A mop device according to claim 3 characterised in that: the connecting part comprises a pressure adjusting bolt for adjusting the reset force of the spring, the pressure adjusting bolt is movably arranged on the supporting body, and one end part of the spring is connected with the pressure adjusting bolt.
5. A mopping device according to claim 4, characterized in that: the spring is sleeved on the supporting pin, a guide handle is arranged on the supporting pin, and two end parts of the spring are respectively abutted to the pressure adjusting bolt and the guide handle.
6. A mop device according to claim 3 characterised in that: the support body is provided with a guide part extending along the vertical direction, a guide handle is arranged on the support pin, and the guide handle can be connected to the guide part in a sliding manner along the vertical direction.
7. A mopping device according to claim 6, characterized in that: the guide part is a sliding groove arranged on the support body.
8. A mop device according to claim 1 characterised in that: the mop device further comprises a guide wheel, the guide wheel is in contact fit with the outer surface of the belt, and an included angle of less than 180 degrees is formed between a belt section between the guide wheel and the first mop wheel and a belt section between the guide wheel and the driving wheel.
9. A mop device according to claim 1 characterised in that: the inner surface of the belt is provided with teeth which are arranged at intervals along the length direction of the belt, and the wheel surface of at least one of the driving wheel, the first mop wheel and the second mop wheel is provided with teeth which are meshed with each other.
10. A mop device according to claim 1 characterised in that: the mop device further comprises a driven wheel arranged on the mounting frame, the driven wheel is in contact fit with the inner surface of the belt, the driven wheel is located between the driving wheel and the second mop wheel, the driving wheel is located above the first mop wheel and the second mop wheel, and the driven wheel is located between the driving wheel and the second mop wheel and between the belt section and the mop section, an included angle which is larger than 90 degrees and smaller than 180 degrees is formed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920966194.9U CN210684143U (en) | 2019-06-25 | 2019-06-25 | Mop device for sewing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920966194.9U CN210684143U (en) | 2019-06-25 | 2019-06-25 | Mop device for sewing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210684143U true CN210684143U (en) | 2020-06-05 |
Family
ID=70893890
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920966194.9U Active CN210684143U (en) | 2019-06-25 | 2019-06-25 | Mop device for sewing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210684143U (en) |
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2019
- 2019-06-25 CN CN201920966194.9U patent/CN210684143U/en active Active
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