CN210737074U - Cutter mechanism and sewing machine provided with same - Google Patents
Cutter mechanism and sewing machine provided with same Download PDFInfo
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- CN210737074U CN210737074U CN201921598200.6U CN201921598200U CN210737074U CN 210737074 U CN210737074 U CN 210737074U CN 201921598200 U CN201921598200 U CN 201921598200U CN 210737074 U CN210737074 U CN 210737074U
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- cutter
- feeding
- guide rail
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Abstract
The utility model provides a cutter mechanism, includes the actuating mechanism that cutter and drive cutter removed, its characterized in that: the driving mechanism comprises a motor, a swing crank, a swing connecting rod, a cutter connecting plate and a cutter rest, one end of the swing crank is installed on an output shaft of the motor, the upper end of the swing connecting rod is rotatably connected with the other end of the swing crank, the lower end of the swing connecting rod is rotatably connected with the cutter connecting plate, the cutter rest is installed on the lower portion of the cutter connecting plate, and a cutter is installed on the cutter rest. The utility model also discloses a sewing machine who installs cutter mechanism. The utility model has the advantages that: this cutter mechanism just needs just can realize the rise and the descending of cutter through motor drive through the cooperation of swing crank and swing connecting rod, and in the course of the work, also drive the cutter through same motor and reciprocate in order to treat the processing cloth and cut, a whole set of cutter mechanism simple structure, job stabilization is reliable, in addition, under the common guide of first guide rail and second guide rail, pay-off clamp plate bracket component removes more steadily.
Description
Technical Field
The utility model relates to a sewing machine especially relates to a cutter mechanism and install sewing machine of this cutter mechanism.
Background
The existing industrial sewing machine generally comprises a frame and a sewing machine head arranged on the frame, for example, a sewing machine for cutting cloth is provided, a cutter and a driving mechanism for driving the cutter to act are arranged on the sewing machine head, generally, a driving source of the driving mechanism comprises an air cylinder and a motor, the cutter is driven by the air cylinder to realize the lifting motion of the cutter before the cutting action is carried out, and the cutting action of the cutter is realized under the driving of the motor, so that the structure of the cutter mechanism is more complex, and the manufacturing cost is relatively higher. In addition, the sewing machine needs to convey the cloth to be processed to the lower part of the sewing machine head through the feeding mechanism to be cut by the cutter mechanism, and the structural stability of the feeding mechanism directly influences the conveying effect of the cloth. The feeding press plate support of the existing feeding mechanism only moves along one guide rail, and the stability is poor. In summary, further improvements to the existing cutter mechanism and sewing machine are needed.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the first technical problem to provide a simple structure, need not cylinder drive cutter and make elevating movement's cutter mechanism to above-mentioned prior art current situation.
The utility model discloses the second technical problem that will solve is to above-mentioned prior art current situation, provides a sewing machine that pay-off is more steady.
The utility model provides a technical scheme that above-mentioned technical problem adopted does: this cutter mechanism, including cutter and the actuating mechanism who drives the cutter removal, its characterized in that: the driving mechanism comprises a motor, a swing crank, a swing connecting rod, a cutter connecting plate and a cutter rest, one end of the swing crank is installed on an output shaft of the motor, the upper end of the swing connecting rod is rotatably connected with the other end of the swing crank, the lower end of the swing connecting rod is rotatably connected with the cutter connecting plate, the cutter rest is installed on the lower portion of the cutter connecting plate, and the cutter is installed on the cutter rest.
In order to ensure that the cutter connecting plate moves up and down more stably, the driving mechanism further comprises two vertically arranged fixed guide rails and sliding blocks which are arranged on the corresponding fixed guide rails in a sliding manner, and the sliding blocks are fixed on the left side and the right side of the back of the cutter connecting plate.
Preferably, the knife rest comprises a first knife rest and a second knife rest which are fixed to each other, the first knife rest is fixed to the bottom of the cutter connecting plate, the top of the second knife rest is installed on the first knife rest, the second knife rest is vertically arranged, and the cutter is vertically arranged and installed on the second knife rest.
Preferably, the first tool rest comprises an installation arm and a cantilever which are distributed in an L shape, the installation arm is fixed in the middle of the bottom of the cutter connecting plate, the cantilever horizontally extends out of the front side of the cutter connecting plate, the top of the second tool rest is installed on the cantilever, a cutter installation groove is formed in the left side portion or the right side portion of the second tool rest, the cutter is installed in the cutter installation groove, and the head of the cutter extends out of the second tool rest downwards.
The swing connecting rod and the cutter connecting plate can be in various connecting structures, preferably, a connecting pin is installed in the middle of the upper portion of the cutter connecting plate, and the lower end of the swing connecting rod is rotatably connected to the connecting pin.
In order to press the cloth to be processed in the processing process, a cloth pressing spring piece is arranged on the front side part of the second knife rest.
A sewing machine comprises a rack, wherein a feeding auxiliary plate and a sewing machine head are arranged on the rack, the sewing machine head is provided with a cutter mechanism, and the sewing machine further comprises an automatic feeding mechanism used for conveying a workpiece to be processed to the lower part of the cutter mechanism along the feeding auxiliary plate.
Preferably, the automatic feeding mechanism comprises a feeding motor, a conveying belt, a feeding pressing plate support assembly, a feeding pressing plate and a cloth feeding template, the feeding motor and the conveying belt are arranged below the feeding auxiliary plate, the feeding pressing plate support assembly can move back and forth along the feeding auxiliary plate under the driving of the conveying belt, the feeding pressing plate and the cloth feeding template are arranged above the feeding auxiliary plate, the feeding pressing plate is arranged on the feeding pressing plate support assembly, and the cloth feeding template is arranged on the feeding pressing plate.
The utility model provides a technical scheme that above-mentioned second technical problem adopted does: the automatic feeding mechanism further comprises a first guide rail and a second guide rail which are parallel to each other, the first guide rail and the second guide rail are horizontally arranged along the conveying direction of the conveying belt, the first guide rail is arranged in the conveying belt, the second guide rail is located above the rear portion of the first guide rail, and the bottom of the feeding press plate support assembly is matched with the first guide rail and the second guide rail in a guiding mode
Compared with the prior art, the utility model has the advantages of: this cutter mechanism just needs just can realize the rise and the descending of cutter through motor drive through the cooperation of swing crank and swing connecting rod, in the course of the work, also drive the cutter through same motor and reciprocate in order to treat the processing cloth and cut, a whole set of cutter mechanism simple structure, job stabilization is reliable, in addition, under the common guide of first guide rail and second guide rail, pay-off clamp plate bracket component removes more steadily to the messenger treats that the processing cloth is carried to the processing station more reliably.
Drawings
Fig. 1 is a schematic structural diagram of a cutter mechanism according to an embodiment of the present invention;
FIG. 2 is a schematic structural view of a sewing machine according to an embodiment of the present invention;
fig. 3 is a schematic view of the sewing machine shown in fig. 2 with the feed auxiliary plate removed.
Detailed Description
The present invention will be described in further detail with reference to the following embodiments.
As shown in fig. 1, the cutter mechanism of the present embodiment includes a cutter 1 and a driving mechanism 2 for driving the cutter to move, wherein the driving mechanism 2 includes a motor 21, a swing crank 22, a swing link 23, a cutter connecting plate 24, a first cutter holder 25, a second cutter holder 26, a fixed guide 27, a slider 28 and a connecting pin 29. Wherein, one end of the swing crank 22 is installed on the output shaft of the motor 21, the upper end of the swing connecting rod 23 is rotatably connected with the other end of the swing crank 22, the middle of the upper part of the cutter connecting plate 24 is provided with a connecting pin 29, and the lower end of the swing connecting rod 23 is rotatably connected on the connecting pin 29. The two fixed guide rails 27 are vertically arranged, the sliding blocks 28 are arranged on the left side and the right side of the back of the cutter connecting plate 24, and the sliding blocks 28 are arranged on the corresponding fixed guide rails 27 in a sliding mode.
The mounting structure of the knife rest and the cutter is as follows:
the first tool rest 25 is fixed at the bottom of the cutter connecting plate 24, the top of the second tool rest 26 is installed on the first tool rest 25, the second tool rest 26 is vertically arranged, and the cutter 1 is vertically arranged and installed on the second tool rest 26. Specifically, the first tool rest 25 includes a mounting arm 251 and a cantilever 252 which are mutually distributed in an L shape, the mounting arm 251 is fixed in the middle of the bottom of the cutter connecting plate 24, the cantilever 252 horizontally extends out of the front side of the cutter connecting plate 24, the top of the second tool rest 26 is mounted on the cantilever 252, a cutter mounting groove 261 is formed in the left side portion or the right side portion of the second tool rest 26, the cutter 1 is mounted in the cutter mounting groove 261, and the head of the cutter extends out of the second tool rest 26. Further, a cloth pressing spring piece 3 is attached to the front side portion of the second blade holder 26.
When the cutter mechanism acts, the cutter 1 can be lifted and lowered only by being driven by the motor 21 through the matching of the swinging crank 22 and the swinging connecting rod 23, and in the working process, the cutter 1 is driven by the same motor 21 to move up and down so as to cut the cloth to be processed.
As shown in fig. 2 and 3, the sewing machine of the present embodiment includes a frame 4, a feeding auxiliary plate 5 is mounted on the frame 4, a sewing head 6 is mounted on the sewing head 6, and an automatic feeding mechanism 7 is used to convey a workpiece to be processed along the feeding auxiliary plate 5 to below the cutter mechanism.
The automatic feeding mechanism 7 of this embodiment includes a feeding motor 71, a conveyor belt 72, a feeding platen bracket assembly 73, a feeding platen 74, and a cloth feeding template 75, the feeding motor 71 and the conveyor belt 72 are disposed below the feeding auxiliary plate 5, the feeding platen bracket assembly 73 can move back and forth along the feeding auxiliary plate 5 under the driving of the conveyor belt 72, the feeding platen 74 and the cloth feeding template 75 are disposed above the feeding auxiliary plate 5, the feeding platen 74 is mounted on the feeding platen bracket assembly 73, and the cloth feeding template 75 is mounted on the feeding platen 74. Specifically, the automatic feeding mechanism 7 further includes a first guide rail 76 and a second guide rail 77 which are parallel to each other, the first guide rail 76 and the second guide rail 77 are both horizontally arranged along the conveying direction of the conveyor belt 72, the first guide rail 76 is provided inside the conveyor belt 72, the second guide rail 77 is located at the upper rear of the first guide rail 76, and the bottom of the feeding platen bracket assembly 73 is in guiding fit with the first guide rail 76 and the second guide rail 77. With the dual-guide rail guide, the movement of the pressure plate bracket assembly 73 can be more stable.
Claims (9)
1. The utility model provides a cutter mechanism, includes cutter (1) and actuating mechanism (2) that the drive cutter removed, its characterized in that: actuating mechanism (2) include motor (21), swing crank (22), swing connecting rod (23), cutter connecting plate (24) and knife rest, the one end of swing crank (22) is installed on the output shaft of motor (21), the upper end of swing connecting rod (23) is rotated with the other end of swing crank (22) and is connected, the lower extreme of swing connecting rod (23) with cutter connecting plate (24) are rotated and are connected, the knife rest is installed the lower part of cutter connecting plate (24), install cutter (1) on the knife rest.
2. The cutter mechanism of claim 1, wherein: the driving mechanism (2) further comprises two vertically arranged fixed guide rails (27) and sliding blocks (28) which are arranged on the corresponding fixed guide rails in a sliding mode, and the sliding blocks (28) are fixed on the left side and the right side of the back of the cutter connecting plate (24).
3. The cutter mechanism of claim 1, wherein: the cutter frame comprises a first cutter frame (25) and a second cutter frame (26) which are fixed to each other, the first cutter frame (25) is fixed to the bottom of the cutter connecting plate (24), the top of the second cutter frame (26) is installed on the first cutter frame (25), the second cutter frame (26) is vertically arranged, and the cutter (1) is vertically arranged and installed on the second cutter frame (26).
4. The cutter mechanism of claim 3, wherein: the first tool rest (25) comprises a mounting arm (251) and a cantilever (252) which are mutually distributed in an L shape, the mounting arm (251) is fixed in the middle of the bottom of the cutter connecting plate (24), the cantilever (252) horizontally extends out of the front side of the cutter connecting plate (24), the top of the second tool rest (26) is mounted on the cantilever (252), a cutter mounting groove (261) is formed in the left side portion or the right side portion of the second tool rest (26), the cutter (1) is mounted in the cutter mounting groove (261), and the head of the cutter downwards extends out of the second tool rest (26).
5. The cutter mechanism of claim 1, wherein: the middle of the upper part of the cutter connecting plate (24) is provided with a connecting pin (29), and the lower end of the swing connecting rod (23) is rotatably connected to the connecting pin (29).
6. The cutter mechanism of claim 3, wherein: a cloth pressing spring piece (3) is arranged at the front side part of the second knife rest (26).
7. A sewing machine equipped with the cutter mechanism according to any one of claims 1 to 6, characterized in that: the automatic feeding device comprises a rack (4), wherein a feeding auxiliary plate (5) and a sewing machine head (6) are arranged on the rack (4), the cutter mechanism is arranged on the sewing machine head (6), and the automatic feeding device also comprises an automatic feeding mechanism (7) for conveying a workpiece to be processed to the lower part of the cutter mechanism along the feeding auxiliary plate (5).
8. The sewing machine of claim 7, wherein: the automatic feeding mechanism (7) comprises a feeding motor (71), a conveying belt (72), a feeding pressing plate support assembly (73), a feeding pressing plate (74) and a cloth feeding template (75), wherein the feeding motor (71) and the conveying belt (72) are arranged below the feeding auxiliary plate (5), the feeding pressing plate support assembly (73) can move back and forth along the feeding auxiliary plate (5) under the driving of the conveying belt (72), the feeding pressing plate (74) and the cloth feeding template (75) are arranged above the feeding auxiliary plate (5), the feeding pressing plate (74) is installed on the feeding pressing plate support assembly (73), and the cloth feeding template (75) is installed on the feeding pressing plate (74).
9. The sewing machine of claim 8, wherein: automatic feeding mechanism (7) are still including first guide rail (76) and second guide rail (77) that are parallel to each other, first guide rail (76) and second guide rail (77) are all along the direction of delivery horizontal arrangement of conveyer belt (72), and, first guide rail (76) are located the inside of conveyer belt (72), second guide rail (77) are located the back top of first guide rail (76), the bottom of pay-off clamp plate bracket component (73) with first guide rail (76) and second guide rail (77) form the direction cooperation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921598200.6U CN210737074U (en) | 2019-09-24 | 2019-09-24 | Cutter mechanism and sewing machine provided with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921598200.6U CN210737074U (en) | 2019-09-24 | 2019-09-24 | Cutter mechanism and sewing machine provided with same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210737074U true CN210737074U (en) | 2020-06-12 |
Family
ID=71008867
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921598200.6U Active CN210737074U (en) | 2019-09-24 | 2019-09-24 | Cutter mechanism and sewing machine provided with same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210737074U (en) |
-
2019
- 2019-09-24 CN CN201921598200.6U patent/CN210737074U/en active Active
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