CN210194148U - Cloth cutting and edge covering integrated device of sewing machine - Google Patents
Cloth cutting and edge covering integrated device of sewing machine Download PDFInfo
- Publication number
- CN210194148U CN210194148U CN201921001962.3U CN201921001962U CN210194148U CN 210194148 U CN210194148 U CN 210194148U CN 201921001962 U CN201921001962 U CN 201921001962U CN 210194148 U CN210194148 U CN 210194148U
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- cloth cutting
- eccentric shaft
- shaft
- connecting rod
- edge covering
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- 239000004744 fabric Substances 0.000 title claims abstract description 64
- 238000009958 sewing Methods 0.000 title claims abstract description 31
- 230000007246 mechanism Effects 0.000 claims abstract description 38
- 230000005540 biological transmission Effects 0.000 claims abstract description 13
- 238000003780 insertion Methods 0.000 claims description 14
- 230000037431 insertion Effects 0.000 claims description 14
- 230000001360 synchronised effect Effects 0.000 claims description 7
- 238000009434 installation Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 230000008901 benefit Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000008275 binding mechanism Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009957 hemming Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
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Abstract
The utility model discloses a sewing machine's cloth cutting integrative device of borduring, its simple structure just moves the cutter stroke adjustable. A cloth cutting and edge covering integrated device of a sewing machine comprises a cloth cutting mechanism, an edge covering mechanism and a sewing mechanism, wherein the cloth cutting mechanism comprises a fixed knife and a movable knife which is matched with the fixed knife to cut off cloth, the movable knife can be arranged on a machine base in a vertically movable mode, the cloth cutting mechanism further comprises a transmission assembly used for driving the movable knife to move up and down, the transmission assembly comprises an eccentric shaft driven to rotate by a power mechanism, a connecting rod driven to rotate by the eccentric shaft and a guide seat provided with a knife rest, one end of the connecting rod is directly or indirectly connected to the eccentric shaft, the rotating axis of the connecting rod is not overlapped with the rotating axis of the eccentric shaft, the other end of the connecting rod is rotatably connected to the guide seat, a guide part extending in the vertical direction is arranged on the machine base, the guide seat can be connected to the guide part in a vertically.
Description
Technical Field
The utility model belongs to the sewing machine field, concretely relates to sewing machine's cloth cutting integrative device of borduring.
Background
When sewing a cloth, the cloth often needs to be cut into a suitable size according to the use requirements. In order to prevent the cut edge of the fabric from fluffing and loosing, the edge of the fabric needs to be covered. In the prior art, a cloth is cut by a cloth cutting device in sequence, and then the edge of the cloth is sewn and covered by a overedger, a covering machine and the like. The processing process respectively passes through two working procedures, the working procedures are complicated, and the processing efficiency is lower. Based on the problem, Chinese patent CN204455527U discloses a cloth cutting and edge covering integrated machine. The cloth cutting device comprises a bottom plate, a machine head, a cloth cutting device arranged on the machine head, an edge covering device and a sewing device, wherein the cloth cutting device comprises a transmission shaft which is rotatably arranged on the machine head, an eccentric wheel connecting rod, one end part of the eccentric wheel connecting rod is connected to the transmission shaft and can swing relative to the transmission shaft, a lifting shaft which can be slidably arranged on the machine head in an up-down direction in a penetrating mode, a connecting rod assembly, which is rotatably connected between the other end of the eccentric wheel connecting rod and the upper end of the lifting shaft and is used for driving the lifting shaft to move up and down, a knife rest assembly fixedly arranged at the lower end of the lifting shaft, an upper cutting knife arranged on the knife rest assembly, and a fixed knife arranged on the bottom. Although the structure can synchronously carry out cloth cutting and edge covering, the structure is complex, the installation, debugging and manufacturing costs are high, part of components (such as guide rails) are not durable under high-speed use, and the structure occupies a large appearance space.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects and problems existing in the prior art, providing a cloth cutting and edge covering integrated device of a sewing machine, which has simple structure, is durable and has adjustable stroke of a movable cutter.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a cloth cutting and edge covering integrated device of a sewing machine comprises a cloth cutting mechanism, an edge covering mechanism and a sewing mechanism, wherein the cloth cutting mechanism comprises a fixed knife and a movable knife matched with the fixed knife to cut off cloth, the movable knife is arranged on a machine base and can move along the up-down direction, the cloth cutting mechanism also comprises a transmission assembly used for driving the movable knife to move up and down, the transmission assembly comprises an eccentric shaft driven by a power mechanism to rotate, a connecting rod driven by the eccentric shaft to rotate and a guide seat provided with a knife rest, one end part of the connecting rod is directly or indirectly connected to the eccentric shaft, the rotating axis of the connecting rod is not coincident with the rotating axis of the eccentric shaft, the other end part of the connecting rod is rotatably connected to the guide seat, a guide part extending along the up-down direction is arranged on the machine base, and the guide seat can be movably connected to the guide part along the up-down direction, the movable cutter is arranged on the cutter rest.
Preferably, one end of the connecting rod is connected to the eccentric shaft through a crank shaft, the crank shaft is rotatably connected to the eccentric shaft, one end of the connecting rod is rotatably connected to the crank shaft, and a rotation axis line of the eccentric shaft, a rotation axis line of the crank shaft and a rotation axis line of the connecting rod are parallel to each other and do not coincide with each other.
More preferably, the eccentric shaft is provided with an insertion hole, a center line of the insertion hole deviates from a rotation axis line of the eccentric shaft, and one end of the crank shaft is inserted into the insertion hole in a manner of rotating around the center line of the insertion hole.
Furthermore, one end of the connecting rod is provided with an installation hole, the other end of the crank shaft can be rotatably inserted into the installation hole around the center line of the installation hole, and the center line of the installation hole deviates from the center line of the insertion hole.
Preferably, the guide member is a guide shaft fixedly disposed on the base, and the guide holder is slidably sleeved on the guide shaft in an up-down direction.
Preferably, a sliding groove extending in the vertical direction is fixedly arranged on the base, and the other end of the connecting rod is connected with a sliding block which can be inserted into the sliding groove in a sliding manner in the vertical direction.
Preferably, the cloth cutting mechanism further comprises a hand wheel for adjusting the position of the eccentric shaft, the hand wheel being connected to the eccentric shaft.
Preferably, the power mechanism comprises a main shaft of the sewing machine, the main shaft and the eccentric shaft are respectively provided with a synchronous wheel, and the two synchronous wheels are connected through a synchronous belt.
Preferably, the power mechanism comprises a motor, and an output shaft of the motor is connected with the eccentric shaft.
Preferably, the eccentric shaft is mounted on the housing by a bearing.
The utility model adopts the above scheme, compare prior art and have following advantage:
the utility model discloses a cloth cutting and edge covering integrated device converts power unit's rotary motion into linear motion through the transmission assembly, drives the connecting rod tilting through the eccentric shaft, simultaneously under the guide effect of guide part for the guide holder reciprocates, and then the drive moves the cutter and reciprocates, thereby it reciprocates to move cutter relatively fixed sword and cuts off the cloth between the two, realize sewing machine cloth cutting, bordure, make up integrative while, simple structure, durable, practice thrift the cost, and the stroke of moving the cutter is adjustable. Can be made into a module (for example, when being driven by a motor), can be arranged on different sewing machine heads for use, and is more convenient to use.
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 will be 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 based on the drawings without creative efforts.
FIG. 1 is a schematic perspective view of a sewing machine using the cloth cutting and hemming integrated apparatus of embodiment 1;
FIG. 2 is a schematic perspective view of the cloth cutting and edge covering integrated device of embodiment 1;
FIG. 3 is an exploded view of the cloth cutting and edge covering integrated apparatus in example 1;
fig. 4 is a schematic perspective view of the cloth cutting and edge covering integrated device in embodiment 2.
In the above-described figures of the drawings,
1. a cloth cutting mechanism; 2. a binding mechanism; 3. a sewing mechanism;
10. fixing a knife; 11. a movable cutter; 12. a tool holder; 13. a guide seat; 14. a connecting rod; 140. mounting holes; 141. a guide bar joint; 15. a crank shaft; 16. an eccentric shaft; 160. a jack; 161. a bearing; 162. a synchronizing wheel; 17. a synchronous belt; 18. a hand wheel; 19. a motor;
4. a machine base; 40. a bearing seat; 41. a guide bar; 42. a chute; 421. a slider;
5. a main shaft; 51. and a synchronizing wheel.
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 orientation according to the conventional viewing angle of the person skilled in the art and for the convenience of description.
Example 1
The embodiment provides a cloth cutting and edge covering integrated device of a sewing machine. Referring to fig. 1, the cloth cutting and edge covering integrated device comprises a cloth cutting mechanism 1, an edge covering mechanism 2 and a sewing mechanism 3.
Referring to fig. 2 and 3, the cloth cutting mechanism 1 includes a fixed blade 10 and a movable blade 11 cooperating with the fixed blade 10 to cut off the cloth, and the movable blade 11 is disposed on the machine base 4 and movable in the up-down direction. The cloth cutting mechanism 1 further comprises a transmission assembly for driving the movable cutter 11 to move up and down, the transmission assembly comprises an eccentric shaft 16 driven by a power mechanism to rotate, a connecting rod 14 driven by the eccentric shaft 16 to rotate and a guide seat 13 provided with a cutter frame 12, one end part of the connecting rod 14 is directly or indirectly connected to the eccentric shaft 16, the rotating axis of the connecting rod 14 is not overlapped with the rotating axis of the eccentric shaft 16, the other end part of the connecting rod 14 is rotatably connected to the guide seat 13, a guide part extending along the up-down direction is arranged on the machine base 4, the guide seat 13 is movably connected to the guide part along the up-down direction, and the movable cutter 11 is arranged on.
Preferably, one end of the connecting rod 14 in this embodiment is connected to the eccentric shaft 16 through the crank shaft 15, the crank shaft 15 is rotatably connected to the eccentric shaft 16, one end of the connecting rod 14 is rotatably connected to the crank shaft 15, and the rotating axis of the eccentric shaft 16, the rotating axis of the crank shaft 15 and the rotating axis of the connecting rod 14 are parallel to each other and do not coincide with each other. The adjustment stroke of the movable cutter 11 is increased by adopting two eccentric parts through the matching of the eccentric shaft 16 and the crank shaft 15. Specifically, both end portions of the crank shaft 15 are respectively formed in a cylindrical shape as a whole, and center lines of both end portions are parallel to each other but do not overlap each other. An insertion hole 160 is formed at an end portion of the eccentric shaft 16, a center line of the insertion hole 160 is deviated from a rotation axis line of the eccentric shaft 16, and an end portion of the crank shaft 15 is rotatably inserted into the insertion hole 160 around the center line of the insertion hole 160. A mounting hole 140 is opened at one end of the connecting rod 14, and the other end of the crank shaft 15 is rotatably inserted into the mounting hole 140 around the center line of the mounting hole 140, and the center line of the mounting hole 140 is offset from the center line of the insertion hole 160.
Specific arrangements of the respective components are described one by one below. Both end portions of the eccentric shaft 16 are rotatably mounted to the bearing housings 40 through bearings 160, respectively, and the bearing housings 40 are fixedly coupled to the housing 4. The cloth cutting mechanism 1 further comprises a hand wheel 18 for adjusting the initial position of the eccentric shaft 16, the hand wheel 18 is connected to the eccentric shaft 16, and by rotating the hand wheel 18, the eccentric shaft 16 rotates along with it, so that the phase of the eccentric shaft 16 can be adjusted. The crank shaft 15 is rotatably caught between the eccentric shaft 16 and the connecting rod 14, and the other end portion of the crank shaft 15 is inserted into the mounting hole 140 of the connecting rod 14 through a needle bearing. The other end of the link 14 is connected to the guide base 13 through a guide rod joint 141, and specifically, the other end of the link 14 is rotatably sleeved on the guide rod joint 141 and is slidably engaged with a sliding slot 42 through a slider 421 for guiding, so that the other end of the link 14 can only move in the up-down direction. The sliding groove 42 is fixedly connected to the base 4 and extends along the vertical direction, the sliding block 421 is fixedly connected to the guide rod joint 141, and the sliding block 421 is slidably inserted into the sliding groove 42 along the vertical direction. The guide rod joint 141 is connected to the guide base 13 through a driving shaft, thereby moving the guide base 13. The guide base 13 is slidably sleeved on a guide rod 41 along the up-down direction, the guide rod 41 is fixedly connected to the machine base 4 and extends along the up-down direction, and the guide rod 41 is the above-mentioned guide component for enabling the guide base 13 to move only along the up-down direction. The knife rest 12 is fixedly connected to the guide seat 13 through a fixing frame, and the movable cutter 11 is fixedly arranged on the knife rest 12.
The power mechanism in this embodiment is a main shaft 5 of the sewing machine, which simultaneously drives the needle and the movable cutter 11 to reciprocate up and down. As shown in fig. 2 and 3, the main shaft 5 is provided with a synchronizing wheel 51, the eccentric shaft 16 is also provided with a synchronizing wheel 162, and the two synchronizing wheels are connected by a synchronizing belt 17. As the main shaft 5 rotates, the eccentric shaft 16 is driven to rotate by the cooperation of the synchronous wheel and the synchronous belt.
The edge covering mechanism 2 comprises a pull cylinder. The sewing mechanism 3 includes a needle plate fixedly disposed on a sewing machine table and a needle bar driven by a sewing machine spindle 5 to reciprocate up and down. The cloth cutting and edge covering integrated device further comprises an air suction pipe, and the air suction pipe is provided with an air suction opening facing the fixed knife 10.
Example 2
This embodiment provides a cloth cutting and edge covering integrated device of a sewing machine, which is basically the same as embodiment 1, and is different from embodiment 1 only in a power mechanism.
As shown in fig. 4, in this embodiment, the power mechanism includes a motor 19, an output shaft of the motor 19 is connected to the eccentric shaft 16, and the eccentric shaft 16 is driven by the motor 19 to rotate, instead of the main shaft of the sewing machine.
The utility model discloses a work process description of cutting cloth integrative device of borduring as follows:
the power mechanism (the main shaft 5 or the motor 19 of the sewing machine) drives the eccentric shaft 16 to rotate, the rotating motion is converted into linear motion through the transmission assembly, specifically, the eccentric shaft 16 is matched with the crank shaft 15 to drive the connecting rod 14 to rotate up and down around the central line of the mounting hole 140, and meanwhile, under the guiding action of the sliding groove 42, the other end part of the connecting rod 14 can only move up and down, so that the guide seat 13 is driven to move up and down, the movable cutter 11 is driven to move up and down, and the movable cutter 11 moves up and down relative to the fixed cutter 10, so that cloth between the movable cutter. The cloth cutting and edge covering integrated device is simple in structure, adjustable in stroke of the movable cutter 11 and large in stroke range while achieving integration of cloth cutting, edge covering and sewing of the sewing machine.
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 or modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.
Claims (10)
1. The utility model provides a sewing machine's cloth cutting is bordured integrative device, includes cloth cutting mechanism, bordure mechanism and sewing machine and construct, cloth cutting mechanism include the stationary knife and with the stationary knife mutually supports the cutter that moves in order to cut off the cloth, move setting up on the frame that the cutter can follow upper and lower direction and remove, cloth cutting mechanism is still including being used for the drive move the transmission assembly that the cutter reciprocated, its characterized in that: the transmission assembly comprises an eccentric shaft driven by a power mechanism to rotate, a connecting rod driven by the eccentric shaft to rotate and a guide seat provided with a knife rest, one end part of the connecting rod is directly or indirectly connected to the eccentric shaft, the rotating axis line of the connecting rod is not overlapped with the rotating axis line of the eccentric shaft, the other end part of the connecting rod is rotatably connected to the guide seat, a guide part extending along the up-down direction is arranged on the machine seat, the guide seat is movably connected to the guide part along the up-down direction, and the movable cutter is arranged on the knife rest.
2. The cloth cutting and edge covering integrated device according to claim 1, characterized in that: one end part of the connecting rod is connected to the eccentric shaft through a crank shaft, the crank shaft is rotatably connected to the eccentric shaft, one end part of the connecting rod is rotatably connected to the crank shaft, and a rotating shaft axis of the eccentric shaft, a rotating shaft axis of the crank shaft and a rotating shaft axis of the connecting rod are parallel to each other and do not coincide with each other.
3. The cloth cutting and edge covering integrated device according to claim 2, characterized in that: the eccentric shaft is provided with an insertion hole, the center line of the insertion hole deviates from the rotating axis line of the eccentric shaft, and one end part of the crank shaft can be inserted into the insertion hole in a rotating mode around the center line of the insertion hole.
4. The cloth cutting and edge covering integrated device according to claim 3, characterized in that: the connecting rod is characterized in that one end of the connecting rod is provided with a mounting hole, the other end of the crank shaft can be rotatably inserted into the mounting hole around the center line of the mounting hole, and the center line of the mounting hole deviates from the center line of the jack.
5. The cloth cutting and edge covering integrated device according to claim 1, characterized in that: the guide component is a guide shaft fixedly arranged on the machine base, and the guide seat can be sleeved on the guide shaft in a sliding manner along the vertical direction.
6. The cloth cutting and edge covering integrated device according to claim 1, characterized in that: the base is fixedly provided with a sliding groove extending along the up-down direction, the other end of the connecting rod is connected with a sliding block, and the sliding block can be inserted into the sliding groove in a sliding manner along the up-down direction.
7. The cloth cutting and edge covering integrated device according to claim 1, characterized in that: the cloth cutting mechanism further comprises a hand wheel used for adjusting the position of the eccentric shaft, and the hand wheel is connected to the eccentric shaft.
8. The cloth cutting and edge covering integrated device according to claim 1, characterized in that: the power mechanism comprises a main shaft of the sewing machine, synchronizing wheels are respectively arranged on the main shaft and the eccentric shaft, and the two synchronizing wheels are connected through a synchronous belt.
9. The cloth cutting and edge covering integrated device according to claim 1, characterized in that: the power mechanism comprises a motor, and an output shaft of the motor is connected with the eccentric shaft.
10. The cloth cutting and edge covering integrated device according to claim 1, characterized in that: the eccentric shaft is mounted on the base through a bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921001962.3U CN210194148U (en) | 2019-06-28 | 2019-06-28 | Cloth cutting and edge covering integrated device of sewing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921001962.3U CN210194148U (en) | 2019-06-28 | 2019-06-28 | Cloth cutting and edge covering integrated device of sewing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210194148U true CN210194148U (en) | 2020-03-27 |
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ID=69868634
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921001962.3U Expired - Fee Related CN210194148U (en) | 2019-06-28 | 2019-06-28 | Cloth cutting and edge covering integrated device of sewing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210194148U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN119465526A (en) * | 2024-11-22 | 2025-02-18 | 广东溢达纺织有限公司 | Independent cutting device based on flat car and working method |
-
2019
- 2019-06-28 CN CN201921001962.3U patent/CN210194148U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN119465526A (en) * | 2024-11-22 | 2025-02-18 | 广东溢达纺织有限公司 | Independent cutting device based on flat car and working method |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200327 Termination date: 20210628 |
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| CF01 | Termination of patent right due to non-payment of annual fee |