CN107700081B - Flat seaming machine and cloth feeding mechanism thereof - Google Patents
Flat seaming machine and cloth feeding mechanism thereof Download PDFInfo
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- CN107700081B CN107700081B CN201711070648.6A CN201711070648A CN107700081B CN 107700081 B CN107700081 B CN 107700081B CN 201711070648 A CN201711070648 A CN 201711070648A CN 107700081 B CN107700081 B CN 107700081B
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- cloth feeding
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- driving
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- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B27/00—Work-feeding means
- D05B27/02—Work-feeding means with feed dogs having horizontal and vertical movements
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Sewing Machines And Sewing (AREA)
Abstract
The invention relates to a flat seaming machine and a cloth feeding mechanism thereof, when a driving shaft rotates, a right rotating block has certain eccentric displacement relative to the driving shaft, so the right rotating block rotates around the rotation axis of the driving shaft, the right rotating block has a vertical reciprocating motion component and a left-right reciprocating motion component, under the drive of the vertical reciprocating motion component of the right rotating block, a cloth feeding tooth frame and the right end of a differential tooth frame reciprocate vertically together, and the left ends of the cloth feeding tooth frame and the differential tooth frame rotate around the axis of a first connecting shaft together with the left rotating block; because the driving connecting rod has certain eccentric displacement relative to the driving shaft, the driving shaft drives the right rotating block to move, simultaneously, the right end of the driving connecting rod also rotates around the rotating axis of the driving shaft, and the driving connecting rod has left-right reciprocating motion components, therefore, the left end of the driving connecting rod drives the upper end of the first crank arm to swing left and right, and the first crank arm drives the first connecting rod to reciprocate left and right, thereby driving the cloth feeding tooth frame to reciprocate left and right.
Description
Technical Field
The invention relates to a flat seaming machine and a cloth feeding mechanism thereof, belonging to the technical field of industrial sewing machines.
Background
The flat seaming machine adopts the feeding teeth which independently reciprocate and the feeding teeth of the differential teeth to convey the cloth, and the feeding teeth and the differential teeth do not synchronously and differentially move, so that the cloth obtains the conveying power. During sewing operation, the cloth conveying speed is required to be higher sometimes and is required to be lower sometimes, and the cloth conveying speed can be adjusted by adjusting the movement speed difference of the feeding teeth and the differential teeth, for example, the published Chinese invention patent with the authorization publication number of CN101649529B and the Chinese utility model patent of CN202247274U both relate to a cloth feeding mechanism of a flat seaming machine.
The flat seaming machine in the prior art has complex structure of a mechanism for adjusting the feeding teeth and the differential teeth, more parts, more complex and strange structures of some parts, higher requirement on processing precision, difficult processing and installation and higher processing cost.
Disclosure of Invention
In view of the above-mentioned disadvantages of the prior art, the present invention aims to provide a flat seaming machine and a cloth feeding mechanism thereof, which have the advantages of reasonable transmission connection, simple structure and easy manufacture.
In order to achieve the purpose, the invention provides a cloth feeding mechanism of a flat seaming machine, which adopts the following technical scheme: a cloth feeding mechanism of a flat seaming machine comprises a cloth feeding tooth frame, a differential tooth frame, a driving shaft, a first connecting shaft and a second connecting shaft which are parallel to each other; the cloth feeding tooth frame and the differential tooth frame respectively and independently reciprocate left and right; the cloth feeding tooth frame is provided with a left sliding chute and a right sliding chute which extend along the left-right direction, and the right rotating block is connected in the right sliding chute in a sliding manner; the left rotating block is connected in the left sliding chute in a sliding manner; the driving shaft is connected with the right end of the driving connecting rod, the right end of the driving connecting rod eccentrically rotates around the axis of the driving shaft, the left end of the driving connecting rod is hinged with the upper end of the first crank arm and the left end of the first connecting rod, the lower end of the first crank arm is hinged to the second connecting shaft, and the right end of the first connecting rod is hinged to the cloth feeding tooth frame; the driving shaft rotates to drive the right rotating block to rotate around the axis of the driving shaft, so that the right end of the cloth feeding tooth rack is driven to reciprocate up and down; the driving shaft rotates to drive the driving connecting rod to reciprocate left and right, so that the cloth feeding tooth frame is driven to reciprocate left and right.
Preferably, the driving shaft is connected with an eccentric shaft eccentrically disposed with respect to the driving shaft, and the right rotary block is rotatably connected with the eccentric shaft.
Preferably, a rolling bearing is sleeved on the eccentric shaft, a bearing mounting hole is formed in the middle of the right rotating block, and the rolling bearing is mounted in the bearing mounting hole.
Preferably, the right rotating block is rectangular, and the upper side surface of the right rotating block is in sliding fit with the upper side surface of the right sliding chute; the lower side surface of the right rotating block is in sliding fit with the lower side surface of the right sliding chute.
Preferably, the right end of the feed dog frame is connected with a feed dog.
Preferably, the left end of the driving link is coaxially hinged with the upper end of the first crank arm and the left end of the first link.
Preferably, the left end of the left chute is open.
The invention also provides a flat seaming machine, which comprises the cloth feeding mechanism of the flat seaming machine in the technical scheme or any preferable technical scheme.
As described above, the flat seaming machine and the cloth feeding mechanism thereof according to the present invention have the following beneficial effects: in the cloth feeding mechanism of the flat seaming machine, when the driving shaft rotates, the right rotating block has certain eccentric displacement relative to the driving shaft, so the right rotating block rotates around the rotation axis of the driving shaft, the right rotating block has a vertical reciprocating motion component and a left-right reciprocating motion component, under the driving of the vertical reciprocating motion component of the right rotating block, the cloth feeding tooth frame and the right end of the differential tooth frame reciprocate vertically together, and the left ends of the cloth feeding tooth frame and the differential tooth frame rotate around the axis of the first connecting shaft together with the left rotating block; because the driving connecting rod has certain eccentric displacement relative to the driving shaft, the driving shaft drives the right rotating block to move, simultaneously, the right end of the driving connecting rod also rotates around the rotating axis of the driving shaft, and the driving connecting rod has left-right reciprocating motion components, therefore, the left end of the driving connecting rod drives the upper end of the first crank arm to swing left and right, and the first crank arm drives the first connecting rod to reciprocate left and right, thereby driving the cloth feeding tooth frame to reciprocate left and right. Because the driving shaft and the cloth feeding tooth frame are connected by the revolute pair in a transmission way, the transmission is reasonable, the transmission efficiency is higher, abrasion and clamping stagnation are not easy to occur, and in addition, each part has a simple structure, is easy to manufacture and has lower cost.
Drawings
FIG. 1 shows a schematic view of a cloth feed mechanism of a flat seaming machine of the present invention viewed from the front;
FIG. 2 shows a schematic view of the cloth feeding mechanism as seen from the rear side;
FIG. 3 is a schematic view of the cloth feeding mechanism viewed from the front side
FIG. 4 is a schematic view of a cloth feeding mechanism of a flat seaming machine according to the present invention;
FIG. 5 is a partial schematic view of the drive shaft;
fig. 6 shows a schematic diagram of a transmission structure of the first crank arm, the fork and the second crank arm.
Description of the element reference numerals
1 feed dog carrier 17 drive shaft
2 differential tooth rack 18 right rotary block
3 first connecting shaft 19 left rotary block
4 left chute of second connecting shaft 20
5 third connecting shaft 21 right chute
6 first crank arm 22 eccentric shaft
7 second crank arm 23 rolling bearing
8 third crank arm 24 bearing mounting hole
9 sliding sleeve 25 connecting disc
10 first link 26 arc hole
11 second link 27 hold-down block
12 rotating handle 28 scale markings
13 fork 29 torsion spring
14 first runner 30 arc portion
15 second link 31 drive link
16 connecting slide block
Detailed Description
The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will become apparent to those skilled in the art from the present disclosure.
It should be understood that the structures, ratios, sizes, and the like shown in the drawings and described in the specification are only used for matching with the disclosure of the specification, so as to be understood and read by those skilled in the art, and are not used to limit the conditions under which the present invention can be implemented, so that the present invention has no technical significance, and any structural modification, ratio relationship change, or size adjustment should still fall within the scope of the present invention without affecting the efficacy and the achievable purpose of the present invention. In addition, the terms "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for clarity of description, and are not intended to limit the scope of the present invention, and the relative relationship between the terms and the terms is not to be construed as a scope of the present invention.
As shown in fig. 1 to 4, the invention provides a cloth feeding mechanism of a flat seaming machine, which comprises a cloth feeding tooth frame 1, a differential tooth frame 2, a driving shaft 17, a first connecting shaft 3 and a second connecting shaft 4 which are parallel to each other; the cloth feeding tooth frame and the differential tooth frame 2 respectively and independently reciprocate left and right; the driving shaft 17 extends along the front-back direction, a right rotating block 18 which eccentrically rotates around the axis of the driving shaft 17 is connected to the driving shaft 17 (namely, the rotating central axis of the right rotating block has certain eccentric displacement relative to the axis of the driving shaft), a left rotating block 19 which can rotate around the axis of the first connecting shaft 3 is connected to the first connecting shaft 3, a left sliding chute 20 and a right sliding chute 21 which extend along the left-right direction are arranged on the feed dog frame 1, and the right rotating block 18 is slidably connected in the right sliding chute 21; the left rotating block 19 is connected in the left sliding groove 20 in a sliding manner; the driving shaft 17 is connected with the right end of the driving connecting rod 31, the right end of the driving connecting rod 31 eccentrically rotates around the axis of the driving shaft 17 (namely the rotating central axis of the right end of the driving connecting rod has certain eccentric displacement relative to the axis of the driving shaft), the left end of the driving connecting rod 31 is coaxially hinged with the upper end of the first crank arm 6 and the left end of the first connecting rod 10, the lower end of the first crank arm 6 is hinged on the second connecting shaft 4, and the right end of the first connecting rod 10 is hinged on the feed dog frame 1; the driving shaft 17 rotates to drive the right rotating block 18 to rotate around the axis of the driving shaft 17, so as to drive the right end of the cloth feeding tooth rack 1 to reciprocate up and down; the driving shaft 17 rotates to drive the driving link 31 to reciprocate left and right, and further to drive the feed dog frame 1 to reciprocate left and right. In the cloth feeding mechanism of the flat seaming machine, when the driving shaft 17 rotates, the right rotating block 18 rotates around the rotation axis of the driving shaft 17 because the right rotating block 18 has a certain eccentric displacement relative to the driving shaft 17, the right rotating block 18 has a vertical reciprocating motion component and a horizontal reciprocating motion component, under the driving of the vertical reciprocating motion component of the right rotating block 18, the cloth feeding tooth rack 1 and the right end of the differential tooth rack 2 reciprocate vertically together, and the left ends of the cloth feeding tooth rack 1 and the differential tooth rack 2 rotate around the axis of the first connecting shaft 3 together with the left rotating block 19; since the driving link 31 has a certain eccentric displacement with respect to the driving shaft 17, the driving shaft 17 drives the right rotating block 18 to move, and the right end of the driving link 31 also rotates around the rotation axis of the driving shaft 17, and the driving link 31 has a left-right reciprocating component, the left end of the driving link 31 drives the upper end of the first crank arm 6 to swing left and right, and the first crank arm 6 drives the first link 10 to reciprocate left and right, thereby driving the feed dog carrier 1 to reciprocate left and right. Because the driving shaft 17 is in transmission connection with the cloth feeding tooth frame 1 through the revolute pair, the transmission is reasonable, the transmission efficiency is high, abrasion and clamping stagnation are not easy to occur, and in addition, each part has a simple structure, is easy to manufacture and has low cost.
As shown in fig. 1 to 3, similar to the structure of the feed dog frame 1, the differential dog frame 2 is also provided with a left slide groove 20 and a right slide groove 21 extending in the left-right direction, and the right rotary block 18 is slidably connected in the right slide grooves 21 of the feed dog frame 1 and the differential dog frame 2; the left rotating block 19 is connected in a sliding way in the left sliding groove 20 of the cloth feeding tooth rack 1 and the differential tooth rack 2; for the convenience of installation, the left ends of the left chutes 20 of the cloth feeding dental frames 1 and the differential dental frames 2 are opened; the right ends of the right sliding grooves 21 of the cloth feeding tooth rack 1 and the differential tooth rack 2 are provided with openings. The cloth feeding mechanism of the flat seaming machine is used for conveying cloth, as shown in figures 1 to 4, the right ends of a cloth feeding tooth frame 1 and a differential tooth frame 2 are connected with cloth feeding teeth, and the cloth feeding teeth rub the cloth to drive the cloth to move. As a preferred embodiment, as shown in fig. 3 and 4, a second connecting shaft 4 is connected to a second connecting shaft 7 extending upward, a lower end of the second connecting shaft 7 is fixed to a lower end of the first connecting shaft 6, the second connecting shaft 7 is sleeved with a sliding sleeve 9 capable of sliding up and down along the second connecting shaft 7, the sliding sleeve 9 is hinged to a second connecting rod 11, a left end of the second connecting rod 11 is hinged to the sliding sleeve 9, a right end of the second connecting rod 11 is hinged to the differential dental frame 2, and the driving shaft 17 drives a driving connecting rod 31 to reciprocate left and right to drive the first connecting shaft 6 and the second connecting shaft 7 to swing left and right together to drive the differential dental frame 2 to reciprocate left and right; the cloth feeding mechanism of the flat seaming machine further comprises a third connecting shaft 5 parallel to a driving shaft 17, a third crank arm 8 and a rotating handle 12 are fixed on the third connecting shaft 5, the rotating handle 12 is rotated to drive the third connecting shaft 5 and the third crank arm 8 to rotate together, the left end of the third crank arm 8 is hinged to the upper portion of a fork frame 13, a first sliding chute 14 extending leftwards and rightwards is formed in the upper portion of the fork frame 13, a second sliding chute 15 extending upwards and downwards is formed in the lower portion of the fork frame 13, the first sliding chute 14 is in sliding fit with a connecting sliding block 16 arranged on a sliding sleeve 9, the second sliding chute 15 is clamped to the outer side of the second connecting shaft 4 and can vertically slide on the second connecting shaft 4, and the connecting sliding block 16, the fork frame 13, the sliding sleeve 9 and a second connecting rod 11 are coaxially hinged together. In the cloth feeding mechanism of the flat seaming machine, the third connecting shaft 5 and the third crank arm 8 can be driven to rotate together by rotating the rotating handle 12, so that the third crank arm 8 drives the fork frame 13 connected to the left end of the third crank arm to move up and down, the first sliding groove 14 on the fork frame 13 drives the connecting sliding block 16 to move up and down together with the sliding sleeve 9, the left end of the second connecting rod 11 is moved to different positions of the second crank arm 7, the length of the force arm actually acted on the second connecting rod 11 by the second crank arm 7 can be adjusted, the movement speed of the differential tooth frame 2 is adjusted, and the cloth conveying speed is finally adjusted.
In the cloth feeding mechanism of the flat seaming machine of the invention, the right rotating block 18 is in sliding fit with the right sliding chute 21 at the right end of the cloth feeding tooth rack 1 and the differential tooth rack 2, as a preferred embodiment, as shown in fig. 2, the right rotating block 18 is rectangular, and the upper side surface of the right rotating block 18 is in sliding fit with the upper side surface of the right sliding chute 21; the lower side surface of the right rotating block 18 is in sliding fit with the lower side surface of the right sliding chute 21. As shown in fig. 1 to 4, when the driving shaft 17 rotates, since the right rotary block 18 has a certain eccentric displacement with respect to the driving shaft 17, the right rotary block 18 rotates around the rotation axis of the driving shaft 17, the right rotary block 18 has a vertical reciprocating component and a horizontal reciprocating component, the right ends of the feed dog carrier 1 and the differential dog carrier 2 reciprocate vertically together with the vertical reciprocating component of the right rotary block 18, and the left ends of the feed dog carrier 1 and the differential dog carrier 2 rotate around the axis of the first connecting shaft 3 together with the left rotary block 19; because the driving connecting rod 31 has a certain eccentric displacement relative to the driving shaft 17, the driving shaft 17 drives the right rotating block 18 to move, simultaneously, the right end of the driving connecting rod 31 also rotates around the rotating axis of the driving shaft 17, and the driving connecting rod 31 has a left-right reciprocating motion component, therefore, the left end of the driving connecting rod 31 drives the first crank arm 6 to swing left and right, the first crank arm 6 drives the first connecting rod 10 to reciprocate left and right, and the first connecting rod 10 drives the cloth feeding tooth frame 1 to reciprocate left and right; therefore, the right end of the feed dog 1 reciprocates up and down at the same time as the feed dog 1 reciprocates left and right. Since the lower end of the second crank arm 7 and the lower end of the first crank arm 6 are fixed to each other, when the first crank arm 6 is driven by the drive shaft 17 to swing left and right, the second crank arm 7 also swings left and right together with the first crank arm 6, the second link 11 is driven by the first crank arm 6 to reciprocate left and right, and the differential carrier 2 is driven by the second link 11 to reciprocate left and right. Therefore, the transmission connection mechanism between the second connecting shaft 4 and the feed dog 1 is different from the transmission connection mechanism between the second connecting shaft 4 and the differential feed dog 2, and therefore, the feed dog 1 and the differential feed dog 2 can reciprocate left and right asynchronously.
In the cloth feeding mechanism of a flat seaming machine of the present invention, the right rotary block 18 eccentrically rotates with respect to the drive shaft 17, and as a preferred embodiment, as shown in fig. 5, an eccentric shaft 22 eccentrically provided with respect to the drive shaft 17 is connected to the drive shaft 17, a center line of the eccentric shaft 22 has an eccentric displacement with respect to a center line of the drive shaft 17, and the right rotary block 18 is rotatably connected to the eccentric shaft 22. A rolling bearing 23 can be sleeved on the eccentric shaft 22, a bearing mounting hole 24 is formed in the middle of the right rotary block 18, and the rolling bearing 23 is mounted in the bearing mounting hole 24. The right end of the drive link 31 also rotates eccentrically with respect to the drive shaft 17, and an eccentric shaft 22 connected to the left end of the drive link 31 may be provided on the drive shaft 17 at a position where the center line of the eccentric shaft 22 has an eccentric displacement with respect to the center line of the drive shaft 17. The eccentric position of the drive link 31 and the right rotary block 18 relative to the drive shaft 17 is designed according to practical requirements and need not be described in detail here.
As shown in fig. 3, in order to facilitate the operator to adjust the amount of differential motion of the feed dog 1 and the differential feed dog 2, the feed mechanism of the flat seaming machine further comprises a connecting disc 25 fixed on the frame, an arc hole 26 is arranged on the connecting disc 25, a pressing block 27 is connected to the rotating handle 12, a screw head is arranged on the pressing block 27, the screw head passes through the arc hole 26 and is connected to the rotating handle 12 in a threaded manner, and the pressing block 27 and the rotating handle 12 clamp the connecting disc 25 from two sides of the connecting disc 25. When an operator needs to adjust the cloth feeding speed, the operator rotates the rotating handle 12 to a preset position, then the pressing block 27 is screwed on the rotating handle 12, and the pressing block 27 and the rotating handle 12 clamp the connecting disc 25, so that the position of the rotating handle 12 cannot move in the running process of the machine, the differential motion amount between the cloth feeding tooth rack 1 and the differential tooth rack 2 can be kept stable, and the cloth feeding speed can be stable. As shown in fig. 3, preferably, the connecting disc 25 may be provided with a scale mark 28 for indicating the difference between the feed dog 1 and the differential dog 2, and the operator may rotate the rotating handle 12 to the scale mark 28 corresponding to the feed speed; a torsion spring 29 can be further sleeved on the third connecting shaft 5, and the torsion spring 29 is fixed on the rack, so that the torsion spring 29 can keep the rotating handle 12 to have a tendency of rotating upwards, and the rotating handle 12 is prevented from drooping when the pressing block 27 is loosened.
As shown in fig. 6, as a preferred embodiment, the second crank arm 7 has an arc-shaped portion 30 extending from the bottom to the top, the sliding sleeve 9 is slidably fitted to the arc-shaped portion 30, and the arc-shaped portion 30 extends in an equal radius around the third connecting shaft 5. In this way, when the third crank arm 8 is rotated to adjust the position of the slide bushing 9 on the second crank arm 7, the slide bushing 9 moves in the extending direction of the arc-shaped portion 30, so that the differential rack 2 is not touched when adjusting the differential amount of the differential rack 2 with respect to the feed rack 1.
The invention also provides a flat seaming machine, which comprises the cloth feeding mechanism of the flat seaming machine in the technical scheme or any preferable technical scheme.
Based on the technical scheme of the embodiment, the flat seaming machine and the cloth feeding mechanism thereof have the advantages of reasonable transmission, higher transmission efficiency, difficult abrasion and clamping stagnation, simple structure of each part, easy manufacture and lower cost.
In conclusion, the present invention effectively overcomes various disadvantages of the prior art and has high industrial utilization value.
The foregoing embodiments are merely illustrative of the principles and utilities of the present invention and are not intended to limit the invention. Any person skilled in the art can modify or change the above-mentioned embodiments without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.
Claims (8)
1. A cloth feeding mechanism of a flat seaming machine is characterized by comprising a cloth feeding tooth rack (1), a differential tooth rack (2), a driving shaft (17), a first connecting shaft (3) and a second connecting shaft (4), wherein the driving shaft (17), the first connecting shaft and the second connecting shaft are parallel to each other; the cloth feeding tooth frame and the differential tooth frame (2) respectively and independently reciprocate left and right;
the cloth feeding tooth frame is characterized in that the driving shaft (17) extends along the front-back direction, a right rotating block (18) eccentrically rotating around the axis of the driving shaft (17) is connected onto the driving shaft (17), a left rotating block (19) capable of rotating around the axis of the first connecting shaft (3) is connected onto the first connecting shaft (3), a left sliding groove (20) and a right sliding groove (21) extending along the left-right direction are formed in the cloth feeding tooth frame (1), and the right rotating block (18) is slidably connected into the right sliding groove (21); the left rotating block (19) is connected in the left sliding groove (20) in a sliding manner; the driving shaft (17) is connected with the right end of the driving connecting rod (31), the right end of the driving connecting rod (31) eccentrically rotates around the axis of the driving shaft (17), the left end of the driving connecting rod (31) is hinged with the upper end of the first crank arm (6) and the left end of the first connecting rod (10), the lower end of the first crank arm (6) is hinged on the second connecting shaft (4), and the right end of the first connecting rod (10) is hinged on the cloth feeding tooth frame (1);
a second crank arm (7) extending upwards is connected to the second connecting shaft (4), the lower end of the second crank arm (7) is fixed with the lower end of the first crank arm (6), a sliding sleeve (9) capable of sliding up and down along the second crank arm (7) is sleeved on the second crank arm (7), a second connecting rod (11) is hinged to the sliding sleeve (9), the left end of the second connecting rod (11) is hinged to the sliding sleeve (9), and the right end of the second connecting rod (11) is hinged to the differential dental articulator (2);
the driving shaft (17) rotates to drive the right rotating block (18) to rotate around the axis of the driving shaft (17), so that the right end of the cloth feeding tooth rack (1) is driven to reciprocate up and down;
the driving shaft (17) rotates to drive the driving connecting rod (31) to reciprocate left and right, so that the cloth feeding tooth rack (1) is driven to reciprocate left and right.
2. The cloth feeding mechanism of a flat seaming machine according to claim 1, characterized in that: the driving shaft (17) is connected with an eccentric shaft (22) which is eccentrically arranged relative to the driving shaft (17), and the right rotating block (18) is rotatably connected with the eccentric shaft (22).
3. The cloth feeding mechanism of a flat seaming machine according to claim 2, characterized in that: a rolling bearing (23) is sleeved on the eccentric shaft (22), a bearing mounting hole (24) is formed in the middle of the right rotating block (18), and the rolling bearing (23) is mounted in the bearing mounting hole (24).
4. The cloth feeding mechanism of a flat seaming machine according to claim 1, characterized in that: the right rotating block (18) is rectangular, and the upper side surface of the right rotating block (18) is in sliding fit with the upper side surface of the right sliding chute (21); the lower side surface of the right rotating block (18) is in sliding fit with the lower side surface of the right sliding chute (21).
5. The cloth feeding mechanism of a flat seaming machine according to claim 1, characterized in that: the right end of the cloth feeding tooth rack (1) is connected with a cloth feeding tooth.
6. The cloth feeding mechanism of a flat seaming machine according to claim 1, characterized in that: the left end of the driving connecting rod (31) is coaxially hinged with the upper end of the first crank arm (6) and the left end of the first connecting rod (10).
7. The cloth feeding mechanism of a flat seaming machine according to claim 1, characterized in that: the left end of the left sliding chute (20) is provided with an opening.
8. A flat seaming machine comprising a feed mechanism of the flat seaming machine of any one of claims 1 to 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711070648.6A CN107700081B (en) | 2017-11-03 | 2017-11-03 | Flat seaming machine and cloth feeding mechanism thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711070648.6A CN107700081B (en) | 2017-11-03 | 2017-11-03 | Flat seaming machine and cloth feeding mechanism thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107700081A CN107700081A (en) | 2018-02-16 |
| CN107700081B true CN107700081B (en) | 2020-03-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711070648.6A Active CN107700081B (en) | 2017-11-03 | 2017-11-03 | Flat seaming machine and cloth feeding mechanism thereof |
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| Country | Link |
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| CN (1) | CN107700081B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108385288B (en) * | 2018-05-21 | 2020-11-27 | 杰克缝纫机股份有限公司 | Sewing machine and cloth feeding mechanism thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB9312663D0 (en) * | 1992-06-19 | 1993-08-04 | Union Special Gmbh | Sewing machine having a workpiece feed device |
| CN202107873U (en) * | 2011-04-28 | 2012-01-11 | 浙江鸿立缝制设备有限公司 | Composite feeding mechanism for flat seaming machine |
| CN106120172A (en) * | 2016-08-03 | 2016-11-16 | 杰克缝纫机股份有限公司 | There is the cloth feeding mechanism of needle gage regulatory function |
| CN106835513A (en) * | 2017-03-24 | 2017-06-13 | 杰克缝纫机股份有限公司 | The material feeding driving mechanism and sewing machine of sewing machine |
| CN106988031A (en) * | 2017-06-02 | 2017-07-28 | 杰克缝纫机股份有限公司 | A kind of sewing machine |
-
2017
- 2017-11-03 CN CN201711070648.6A patent/CN107700081B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB9312663D0 (en) * | 1992-06-19 | 1993-08-04 | Union Special Gmbh | Sewing machine having a workpiece feed device |
| CN202107873U (en) * | 2011-04-28 | 2012-01-11 | 浙江鸿立缝制设备有限公司 | Composite feeding mechanism for flat seaming machine |
| CN106120172A (en) * | 2016-08-03 | 2016-11-16 | 杰克缝纫机股份有限公司 | There is the cloth feeding mechanism of needle gage regulatory function |
| CN106835513A (en) * | 2017-03-24 | 2017-06-13 | 杰克缝纫机股份有限公司 | The material feeding driving mechanism and sewing machine of sewing machine |
| CN106988031A (en) * | 2017-06-02 | 2017-07-28 | 杰克缝纫机股份有限公司 | A kind of sewing machine |
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| Publication number | Publication date |
|---|---|
| CN107700081A (en) | 2018-02-16 |
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