CN112609346B - Mechanism is cut to buttonholing machine face - Google Patents
Mechanism is cut to buttonholing machine face Download PDFInfo
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- CN112609346B CN112609346B CN202011422716.2A CN202011422716A CN112609346B CN 112609346 B CN112609346 B CN 112609346B CN 202011422716 A CN202011422716 A CN 202011422716A CN 112609346 B CN112609346 B CN 112609346B
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- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B65/00—Devices for severing the needle or lower thread
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Abstract
The invention provides a face shearing mechanism of a buttonholing machine, and belongs to the technical field of sewing equipment. The problem that the existing face shearing mechanism is complex in part structure and complex in assembly due to strong relevance is solved. This mechanism is cut to buttonholing machine face, including mounting panel, controller, drive assembly, scissors subassembly and install the trimming subassembly on the presser foot support, the mounting panel links firmly its characterized in that with the buttonholing machine casing: the driving assembly comprises an X-axis driving mechanism, a Y-axis driving mechanism and a Z-axis driving mechanism, the controller respectively controls the X-axis driving mechanism, the Y-axis driving mechanism and the Z-axis driving mechanism to respectively drive the scissors assembly to move left and right, front and back and up and down, and the thread trimming assembly can drive the scissors assembly to realize thread loosening and trimming actions. The face shearing mechanism has the advantages of simplified mechanism and simplicity in assembly and debugging.
Description
Technical Field
The invention belongs to the technical field of sewing equipment, relates to a buttonholing machine, and particularly relates to a face shear mechanism of the buttonholing machine.
Background
The buttonhole sewing machine is mainly used for processing buttonholes in various clothes, is divided into a flat buttonhole sewing machine and a round buttonhole sewing machine, and is a very important special device in clothing machinery. With the rapid development of science and technology and the continuous improvement of automation degree, the buttonholing machine is also continuously advanced towards the automation direction, the existing buttonholing machine comprises an automatic thread trimming mechanism, an automatic presser foot lifting mechanism and the like, wherein the automatic thread trimming mechanism comprises an upper thread trimming mechanism which is used for trimming upper threads and driven by an upper thread trimming driving mechanism, and a lower thread trimming mechanism which is used for trimming lower threads and driven by a lower thread trimming driving mechanism.
Chinese patent (publication No. CN206266841U, published as 2017.06.20) discloses an upper trimming driving mechanism and a buttonhole sewing machine, which are connected to an upper trimming executing assembly, wherein the upper trimming executing assembly comprises a first rocker, a second rocker and an upper scissors assembly, and the upper trimming driving mechanism comprises a driving motor, a driving cam, a first upper trimming driving rod set and a second upper trimming driving rod set; the driving cam is provided with a first cam chute and a second cam chute which are in a closed curve shape; the first upper trimming driving rod group is provided with a first upper trimming roller embedded in a first cam chute of the driving cam, and the tail end of the first upper trimming driving rod group is hinged with the first rocker; and a second upper trimming roller embedded in a second cam sliding groove of the driving cam is arranged on the second upper trimming driving rod group, and the tail end of the second upper trimming driving rod group is hinged with a second rocker. The driving motor in this scheme drives driving cam and rotates a week, can drive and go up trimming executive component and accomplish a trimming circulation, realizes a driving cam of a plurality of mechanisms shares, though has the strong advantage of whole relevance, but this advantage also can bring following problem: due to the complex structure and the strong relevance among all parts, when the buttonholing machine is used for sewing thick materials, the shearing line position is changed because the scissors move forwards due to the lifting of the presser foot, so that the sewing material thickness of the buttonholing machine is greatly limited; furthermore, in the manufacture of components of a buttonholing machine, errors tend to accumulate between the individual components, which directly leads to high requirements for the manufacture of the parts and the complexity of assembling the fitting scissors.
Disclosure of Invention
The invention aims to solve the technical problems and provides a face shear mechanism of a buttonholing machine.
The purpose of the invention can be realized by the following technical scheme:
the utility model provides a mechanism is cut to buttonholing machine face, includes mounting panel, controller, drive assembly, scissors subassembly and installs the trimming subassembly on the presser foot support, the mounting panel links firmly its characterized in that with the buttonholing machine casing: the driving assembly comprises an X-axis driving mechanism, a Y-axis driving mechanism and a Z-axis driving mechanism, the controller respectively controls the X-axis driving mechanism, the Y-axis driving mechanism and the Z-axis driving mechanism to respectively drive the scissors assembly to move left and right, front and back and up and down, and the thread trimming assembly can drive the scissors assembly to realize thread loosening and trimming actions.
In foretell buttonholing machine face shear mechanism, Y axle actuating mechanism includes first solenoid valve and Y axle cylinder, be equipped with the cushion between Y axle cylinder and above-mentioned mounting panel, cushion and Y axle cylinder pass through screw fixed mounting and are in on the mounting panel, Y axle cylinder actuating lever is the level setting and can drive above-mentioned scissors subassembly and realize the seesaw.
In the buttonholing machine face shearing mechanism, the Z-axis driving mechanism comprises a second electromagnetic valve and a Z-axis cylinder, the Z-axis cylinder is fixedly connected with the Y-axis cylinder driving rod through a first connecting block, the Z-axis cylinder driving rod is vertically arranged, a shear shank connecting seat is fixedly mounted at the lower end of the Z-axis cylinder driving rod, a shear shank is mounted on the shear shank connecting seat, a first waist-shaped groove is formed in the connecting position of one end of the shear shank and the shear shank connecting seat, a screw is fixedly mounted in the first waist-shaped groove, and the screw can move back and forth in the first waist-shaped groove to adjust the relative mounting positions of the shear shank and the shear shank connecting seat in the front-back direction; the Z-axis cylinder driving rod can drive the scissors assembly to move up and down.
In the face shearing mechanism of the buttonholing machine, the X-axis driving mechanism comprises a third electromagnetic valve and an X-axis cylinder, the X-axis cylinder is fixedly installed on a cylinder support, a second waist-shaped groove is formed in the joint of the cylinder support and the X-axis cylinder, a screw is fixedly installed in the second waist-shaped groove, and the screw can move back and forth in the second waist-shaped groove to adjust the relative installation position of the X-axis cylinder and the cylinder support in the left-right direction; the cylinder support is fixedly connected with the other end of the scissor rack, and the X-axis cylinder driving rod is horizontally arranged and can drive the scissor assembly to move left and right.
In foretell buttonhole machine face scissors mechanism, the scissors subassembly includes scissors seat and face scissors structure, face scissors structure includes thread clamping piece, stationary knife and moves the sword, one side of scissors seat links firmly with above-mentioned X axle cylinder actuating lever, the opposite side of scissors seat with link firmly with the stationary knife, thread clamping piece passes through round pin axle fixed connection on the stationary knife, move the rotatable cover in sword middle part and establish above-mentioned round pin epaxially and be located between thread clamping piece and the stationary knife, move the sword and keep away from that end of cutting edge and seted up third waist type groove and be equipped with the scissors lever, fixed mounting has stop screw on the stationary knife, stop screw upper end is located above-mentioned third waist type groove, stop screw can be in third waist type groove round trip movement in order to restrict the rotation range of moving the sword.
In the buttonholing machine face shearing mechanism, the thread shearing assembly comprises a thread shearing plate and a thread loosening cam plate, the thread shearing plate is fixedly arranged on the presser foot bracket, and a limiting baffle is fixedly arranged on the thread shearing plate; the thread loosening cam plate is fixedly connected with the thread cutting plate, and when the thread loosening cam plate works, the thread loosening cam plate gradually approaches to and abuts against the scissors lever, so that the movable knife is driven by the scissors lever to rotate to open the clamping angle between the movable knife and the thread clamping piece, and thread loosening is achieved.
In the buttonholing machine face shear mechanism, the opening and closing size of the movable knife is adjusted by adjusting the up-down position of the thread trimming plate.
In foretell buttonhole maker face shear mechanism, the second connecting block is installed to the upper end of Z axle cylinder actuating lever, second connecting block fixed mounting is on above-mentioned mounting panel, install adjusting screw on the second connecting block, through the upper and lower position of above-mentioned scissors subassembly is controlled in order to satisfy the demand of making up of thick material to the stroke of the adjustable Z axle cylinder actuating lever of adjusting screw.
Compared with the prior art, the invention has the beneficial effects that:
1. the three cylinders respectively control the scissor assemblies to realize the front-back, up-down and left-right actions, so that the overall relevance of the buttonholing machine face thread trimming mechanism is reduced, the mechanism is greatly simplified, and the assembly and debugging are simple.
2. The parts in the invention have simple structure, reduce the requirements on processing equipment and process and contribute to reducing the cost.
3. The scissor component and the presser foot act independently, the cutting position of the cloth thickness change scissor only slightly changes, and the cutting line is not affected, so that the thickness of the sewn cloth can be increased.
Drawings
Fig. 1 is a schematic view of the installation position of the present invention.
Fig. 2 is a schematic structural diagram of the present invention.
Fig. 3 is a schematic structural view of a cylinder block according to the present invention.
Fig. 4 is a schematic view of the mounting positions of the scissors assembly and the thread cutting assembly in the present invention.
Fig. 5 is an exploded view of the scissors assembly and thread cutting assembly of the present invention.
In the figure, 1, mounting plate; 2. a presser foot support; 3. a Y-axis cylinder; 4. cushion blocks; 5. a Z-axis cylinder; 6. a first connection block; 7. a scissor rack connecting seat; 8. a scissor rack; 81. a first waist-shaped groove; 9. an X-axis cylinder; 10. a cylinder support; 101. a second waist-shaped groove; 11. a scissor seat; 12. a wire clamping sheet; 13. fixing a cutter; 14. moving a knife; 141. a scissor lever; 142. a third waist-shaped groove; 15. a pin shaft; 16. trimming the wire plate; 17. a loose cam plate; 18. a second connecting block; 19. an adjusting screw; 20. a buttonholing machine housing; 21. a cloth feeding support.
Detailed Description
The following are specific embodiments of the present invention and are further described with reference to the accompanying drawings, but the present invention is not limited to these embodiments.
As shown in fig. 1 and fig. 2, the buttonholing machine face shearing mechanism comprises a mounting plate 1, a controller, a driving assembly, a shear assembly and a thread shearing assembly mounted on a presser foot bracket 2, wherein the mounting plate 1 is fixedly connected with a buttonholing machine casing 20, and the mounting plate 1 is a bearing part of the buttonholing machine face shearing mechanism. The driving assembly comprises an X-axis driving mechanism, a Y-axis driving mechanism and a Z-axis driving mechanism, the controller respectively controls the X-axis driving mechanism, the Y-axis driving mechanism and the Z-axis driving mechanism to respectively drive the scissors assembly to move left and right, front and back and up and down, and the thread trimming assembly can drive the scissors assembly to realize thread loosening and thread trimming.
The three driving mechanisms further control the ascending and descending, the front and back movement, the cutting and closing actions in the working process of the scissor assembly, so that the overall relevance of the surface thread cutting mechanism of the buttonholing machine is reduced, and the smooth operation of part manufacturing, assembly and debugging is facilitated. In addition, the presser foot mechanism and the thread trimming mechanism are mutually independent, and the sewing mode switching of the thin and thick sewing materials is convenient and fast.
As a further optimization of the embodiment, as shown in fig. 2, the direction in which the buttonholing machine is advanced or retracted is defined as a front-rear direction, and on a horizontal plane, a left-right direction is defined as a direction perpendicular to the front-rear direction, and on a vertical plane, a vertical direction is defined as a direction perpendicular to the front-rear direction. Y axle actuating mechanism includes first solenoid valve and Y axle cylinder 3, is equipped with cushion 4 between Y axle cylinder 3 and the mounting panel 1, and cushion 4 and Y axle cylinder 3 pass through screw fixed mounting on mounting panel 1, and Y axle cylinder actuating lever is the level setting and can drive the scissors subassembly and realize the seesaw.
The Z-axis driving mechanism comprises a second electromagnetic valve and a Z-axis cylinder 5, the Z-axis cylinder 5 is fixedly connected with the Y-axis cylinder driving rod through a first connecting block 6, and therefore the Z-axis cylinder 5 can move along with the movement of the Y-axis cylinder driving rod and keep a synchronous state. The Z-axis cylinder driving rod is vertically arranged, a shear frame connecting seat 7 is fixedly installed at the lower end of the Z-axis cylinder driving rod, a shear frame 8 is installed on the shear frame connecting seat 7, a first waist-shaped groove 81 is formed in the connecting position of one end of the shear frame 8 and the shear frame connecting seat 7, the first waist-shaped groove 81 has a fine adjustment effect in the front-back direction, a screw is fixedly installed on the shear frame connecting seat 7, and can move back and forth in the first waist-shaped groove 81 to adjust the relative installation position of the shear frame 8 and the shear frame connecting seat 7 in the front-back direction, so that the fine adjustment of the front-back relative position between the trimming line assembly and the machine needle can be realized, the position error caused by the mechanical structure during assembly can be compensated, and the assembly and debugging are simple; the Z-axis cylinder driving rod can drive the scissors assembly to move up and down.
As shown in fig. 2 and 3, the X-axis driving mechanism includes a third electromagnetic valve and an X-axis cylinder 9, the X-axis cylinder 9 is fixedly mounted on a cylinder support 10, a second waist-shaped groove 101 is formed at a joint of the cylinder support 10 and the X-axis cylinder 9, and the second waist-shaped groove 101 has a fine adjustment function in the left-right direction, that is, the closing amount of the scissors assembly is adjusted. A screw is fixedly arranged on the X-axis cylinder 9 and can move back and forth in the second waist-shaped groove 101 so as to adjust the relative installation positions of the X-axis cylinder 9 and the cylinder bracket 10 in the left and right directions; the other end of cylinder support 10 and scissors frame 8 links firmly, and X axle cylinder actuating lever is the level setting and can drive the scissors subassembly and realize the side-to-side motion.
The scissors assembly and the X-axis cylinder 9 form a whole, and when the driving rod of the X-axis cylinder contracts, the scissors assembly is far away from the presser foot and does not interfere with the presser foot when the presser foot is lifted. The Y-axis cylinder 3, the Z-axis cylinder 5 and the X-axis cylinder 9 are respectively controlled by the first electromagnetic valve, the second electromagnetic valve and the third electromagnetic valve, so that the overall relevance of the surface thread trimming mechanism of the buttonholing machine is reduced, the mechanism is greatly simplified, and the assembly and the debugging are simple. And each part has simple structure, reduces the requirements on processing equipment and process and is beneficial to reducing the cost.
In addition, the three cylinders respectively control the scissor component to realize the actions of front and back, up and down, left and right, and the change of the position sequence of the cylinders is also within the protection scope of the invention.
As shown in fig. 2, 4 and 5, the scissors assembly includes a scissors base 11 and a pair of scissors structure, the pair of scissors structure includes a thread clamping piece 12, a fixed knife 13 and a movable knife 14, one side of the scissors base 11 is fixedly connected with an X-axis cylinder driving rod, the other side of the scissors base 11 is fixedly connected with the fixed knife 13, the thread clamping piece 12 is fixedly connected to the fixed knife 13 through a pin shaft 15, the middle of the movable knife 14 is rotatably sleeved on the pin shaft 15 and is located between the thread clamping piece 12 and the fixed knife 13, a third waist-shaped groove 142 and a scissors lever 141 are provided on the end of the movable knife 14 far away from the knife edge, a limit screw is fixedly mounted on the fixed knife 13, the upper end of the limit screw is located in the third waist-shaped groove 142, and the limit screw can move back and forth in the third waist-shaped groove 142 to limit the rotation range of the movable knife 14.
The above mechanisms can only realize the front-back, up-down and left-right actions of the pair of scissors, and the pair of scissors is required to timely realize the actions of holding, loosening, cutting and trimming during the sewing process of the buttonholing machine, and the participation of the trimming assembly is required to realize the actions.
The thread trimming assembly comprises a thread trimming plate 16 and a thread loosening cam plate 17, the thread trimming plate 16 is fixedly arranged on the presser foot bracket 2, and a limiting baffle plate is fixedly arranged on the thread trimming plate 16; the thread loosening cam plate 17 is fixedly connected with the thread cutting plate 16, and in operation, the thread loosening cam plate 17 gradually approaches and abuts against the scissors lever 141 so that the movable knife 14 is driven to rotate through the scissors lever 141 to open the clamping angle between the movable knife 14 and the thread clamping piece 12, and therefore thread loosening is achieved.
When the buttonhole sewing machine is ready to sew a buttonhole, the movable knife 14 and the thread clamping piece 12 hold threads, sewing is started, the cloth feeding support 21 drives the presser foot support 2 to move forwards under the dragging of the cloth feeding motor, the thread cutting plate 16 and the thread loosening cam plate 17 which are fixed on the presser foot support 2 move forwards along with the thread cutting plate, the scissor lever 141 on the movable knife 14 is contacted with the thread loosening cam plate 17 in the moving process, in the continuous moving process of the presser foot support 2, the thread loosening cam plate 17 is abutted against the scissor lever 141 so as to drive the movable knife 14 to rotate around the pin shaft 15, so that an opening between the movable knife 14 and the thread clamping piece 12 is opened slowly and gradually loosens threads, when the cloth feeding motor reaches a set distance position, the third electromagnetic valve is controlled to be electrified and switched over under an electric control mode, the driving rod of the X-axis air cylinder is contracted, the whole scissor assembly comprises the scissor lever 141 which is contracted together, namely, the scissor lever 141 moves far away from the presser foot, the limiting blocking effect of the scissor lever 141 on the movable knife 14 on the thread loosening cam plate 17 drives the movable knife 14 to continue to the same direction The opening between the movable knife 14 and the fixed knife 13 is opened to the size of the designated cut by rotation; then the Y-axis cylinder 3 extends to move the whole scissor component to a position to be clipped, namely the needle position, after the sewing is finished, the cloth feeding motor returns to the original point, the controller controls the third electromagnetic valve to be powered off and return to the original position, the X-axis cylinder 9 extends to drive the whole scissor component including the movable knife 14 and the scissor lever 141 to move close to the needle, at the moment, the suture on the needle is just positioned between the openings of the movable knife 14 and the fixed knife 13, the scissor lever 141 contacts with the limit baffle on the thread trimming plate 16 in the process of moving close to the needle and is limited and blocked by the limit baffle so as to drive the movable knife 14 to rotate around the pin shaft in the opposite direction of the opening of the movable knife 14, at the moment, the movable knife 14 rotates to be constantly close to and is meshed with the fixed knife 13 so as to clip the suture positioned between the openings of the movable knife 14 and the thread clipping blade 12, and simultaneously, the Y-axis cylinder retracts to the original position, thereby driving the scissors assembly to reset to the initial position, namely the position far away from the needle, so as to wait for the sewing of the next keyhole. The opening and closing size of the movable knife 14 is adjusted by adjusting the up-and-down position of the trimming plate 16.
In order to sew thick materials, a second connecting block 18 is installed at the upper end of the Z-axis cylinder driving rod, the second connecting block 18 is fixedly installed on the installation plate 1, an adjusting screw 19 is installed on the second connecting block 18, and the stroke of the Z-axis cylinder driving rod can be adjusted through the adjusting screw 19 to control the vertical position of the scissors assembly so as to meet the thick material sewing requirement.
The scissor component and the presser foot act independently, the cutting position of the cloth thickness change scissor only slightly changes, and the cutting line is not affected, so that the thickness of the sewn cloth can be increased.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications or additions may be made to the described embodiments, or alternatives may be employed, by those skilled in the art, without departing from the spirit or ambit of the invention as defined in the appended claims.
Although terms such as X-axis cylinder 9, Y-axis cylinder 3, Z-axis cylinder 5, scissor holder 8, cylinder support 10, scissor seat 11, thread clamping blade 12, stationary knife 13, movable knife 14, thread cutting plate 16, thread loosening cam plate 17, etc. are used more herein, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed as being without limitation to any additional limitations that may be imposed by the spirit of the present invention.
Claims (7)
1. The utility model provides a mechanism is cut to buttonholing machine face, includes mounting panel (1), controller, drive assembly, scissors subassembly and installs the trimming subassembly on presser foot support (2), mounting panel (1) links firmly its characterized in that with buttonholing machine casing (20): the driving assembly comprises an X-axis driving mechanism, a Y-axis driving mechanism and a Z-axis driving mechanism, the controller respectively controls the X-axis driving mechanism, the Y-axis driving mechanism and the Z-axis driving mechanism to respectively drive the scissors assembly to move left, right, front and back and up and down, the scissors assembly can drive the scissors assembly to realize the action of loosing and cutting threads, the scissors assembly comprises a thread clamping piece (12) and a movable knife (14) provided with a scissors lever (141), the thread cutting assembly comprises a thread cutting plate (16) and a thread loosing cam plate (17), the thread cutting plate (16) is fixedly arranged on the presser foot bracket (2), and a limit baffle is fixedly arranged on the thread cutting plate (16); the thread loosening cam plate (17) is fixedly connected with the thread cutting plate (16), and when the thread loosening cam plate works, the thread loosening cam plate (17) gradually approaches to and abuts against the scissors lever (141) so that the movable knife (14) is driven to rotate through the scissors lever (141) to open a clamping angle between the movable knife (14) and the thread clamping piece (12) and accordingly thread loosening is achieved.
2. The buttonholing machine face shear mechanism of claim 1, wherein: y axle actuating mechanism includes first solenoid valve and Y axle cylinder (3), be equipped with cushion (4) between Y axle cylinder (3) and above-mentioned mounting panel (1), cushion (4) and Y axle cylinder (3) are in through screw fixed mounting on mounting panel (1), Y axle cylinder actuating lever is the level and sets up and can drive above-mentioned scissors subassembly and realize the seesaw.
3. The buttonholing machine face shear mechanism of claim 2, wherein: the Z-axis driving mechanism comprises a second electromagnetic valve and a Z-axis cylinder (5), the Z-axis cylinder (5) is fixedly connected with the Y-axis cylinder driving rod through a first connecting block (6), the Z-axis cylinder driving rod is vertically arranged, a shear shank connecting seat (7) is fixedly installed at the lower end of the Z-axis cylinder driving rod, a shear shank (8) is installed on the shear shank connecting seat (7), a first waist-shaped groove (81) is formed in the connecting position of one end of the shear shank (8) and the shear shank connecting seat (7), a screw is fixedly installed in the first waist-shaped groove (81), and the screw can move back and forth in the first waist-shaped groove (81) to adjust the relative installation position of the shear shank (8) and the shear shank connecting seat (7) in the front-back direction; the Z-axis cylinder driving rod can drive the scissors assembly to move up and down.
4. The buttonholing machine face shear mechanism of claim 3, wherein: the X-axis driving mechanism comprises a third electromagnetic valve and an X-axis cylinder (9), the X-axis cylinder (9) is fixedly mounted on a cylinder support (10), a second waist-shaped groove (101) is formed in the joint of the cylinder support (10) and the X-axis cylinder (9), a screw is fixedly mounted in the second waist-shaped groove (101), and the screw can move back and forth in the second waist-shaped groove (101) to adjust the relative mounting positions of the X-axis cylinder (9) and the cylinder support (10) in the left and right directions; the cylinder support (10) is fixedly connected with the other end of the scissor rack (8), and the X-axis cylinder driving rod is horizontally arranged and can drive the scissor assemblies to move left and right.
5. The buttonholing machine face shear mechanism of claim 4, wherein: the scissors component comprises a scissors seat (11) and a pair of scissors structure, the pair of scissors structure comprises a thread clamping piece (12), a fixed knife (13) and a movable knife (14), one side of the scissors seat (11) is fixedly connected with the X-axis cylinder driving rod, the other side of the scissors seat (11) is fixedly connected with the fixed knife (13), the thread clamping sheet (12) is fixedly connected on the fixed knife (13) through a pin shaft (15), the middle part of the movable knife (14) is rotatably sleeved on the pin shaft (15) and is positioned between the thread clamping sheet (12) and the fixed knife (13), the end of the movable knife (14) far away from the knife edge is provided with a third waist-shaped groove (142) and a scissors lever (141), a limit screw is fixedly arranged on the fixed cutter (13), the upper end of the limit screw is positioned in the third waist-shaped groove (142), the limiting screw can move back and forth in the third waist-shaped groove (142) to limit the rotating range of the movable knife (14).
6. The buttonholing machine face shear mechanism of claim 1, wherein: the opening and closing size of the movable knife (14) is adjusted by adjusting the upper and lower positions of the thread trimming plate (16).
7. The buttonholing machine face shear mechanism of claim 5, wherein: second connecting block (18) are installed to the upper end of Z axle cylinder actuating lever, second connecting block (18) fixed mounting is on above-mentioned mounting panel (1), install adjusting screw (19) on second connecting block (18), through the upper and lower position of above-mentioned scissors subassembly is controlled in order to satisfy the demand of making up of thick material to the stroke of the adjustable Z axle cylinder actuating lever of adjusting screw (19).
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| CN202011422716.2A CN112609346B (en) | 2020-12-08 | 2020-12-08 | Mechanism is cut to buttonholing machine face |
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| CN202011422716.2A CN112609346B (en) | 2020-12-08 | 2020-12-08 | Mechanism is cut to buttonholing machine face |
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| CN112609346B true CN112609346B (en) | 2022-06-07 |
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| CN202347263U (en) * | 2011-11-23 | 2012-07-25 | 宁波舒普机电科技有限公司 | Thread cutting mechanism of round head buttonholing machine |
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| CN108118448A (en) * | 2016-11-29 | 2018-06-05 | 拓卡奔马机电科技有限公司 | A kind of lockstitch button holder |
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| CN110233043A (en) * | 2019-06-21 | 2019-09-13 | 东莞市智感机械电子科技有限公司 | Wire storage mechanism and fully-automatic series coil winder are cut in drawing |
| CN209508598U (en) * | 2018-12-19 | 2019-10-18 | 西安标准工业股份有限公司 | A kind of thread cutting mechanism of sewing machine |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB611879A (en) * | 1945-08-21 | 1948-11-04 | Singer Mfg Co | Improvement in thread-cutting mechanisms for sewing machines |
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2020
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Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202347263U (en) * | 2011-11-23 | 2012-07-25 | 宁波舒普机电科技有限公司 | Thread cutting mechanism of round head buttonholing machine |
| CN108118448A (en) * | 2016-11-29 | 2018-06-05 | 拓卡奔马机电科技有限公司 | A kind of lockstitch button holder |
| CN206743067U (en) * | 2017-05-10 | 2017-12-12 | 深圳市佰伦仕机电设备有限公司 | One kind is without scrap wire coil winding machine |
| CN209508598U (en) * | 2018-12-19 | 2019-10-18 | 西安标准工业股份有限公司 | A kind of thread cutting mechanism of sewing machine |
| CN110079945A (en) * | 2019-05-16 | 2019-08-02 | 东阳市双燕设备有限公司 | Trimming device for embroidery machine |
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| CN112609346A (en) | 2021-04-06 |
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