CN202482602U - Transmission structure for intermittent presser foot - Google Patents
Transmission structure for intermittent presser foot Download PDFInfo
- Publication number
- CN202482602U CN202482602U CN 201220002724 CN201220002724U CN202482602U CN 202482602 U CN202482602 U CN 202482602U CN 201220002724 CN201220002724 CN 201220002724 CN 201220002724 U CN201220002724 U CN 201220002724U CN 202482602 U CN202482602 U CN 202482602U
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- Prior art keywords
- connecting rod
- presser
- presser foot
- head
- fork
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Abstract
The utility model discloses a transmission structure for a presser foot. A presser arm shaft of the transmission structure is rotatably connected with an upper shaft through a connection mechanism, and simultaneously the presser arm shaft is connected with a presser foot rod through an intermittent connection rod, a swing rod and a driving rod to drive the presser foot rod to move up and down. A first end portion of the intermittent connection rod is rotatably connected with a first crank of the end portion of the presser arm shaft, and a second end portion of the intermittent connection rod is rotatably connected with the middle portion connection position of the swing rod. A first end portion of the swing rod s rotatably connected with a connection rod rotatably arranged on a machine head, and a second end portion of the swing rod is connected with the presser foot rod through rotatably-connected driving rod. The transmission structure for the presser foot has the advantages of being simple and compact and convenient to install and adjust. The presser foot is convenient to press down before working and convenient to lift after working.
Description
Technical field
The utility model relates to a kind of intermittent presser foot of Sewing machines, specifically a kind of drive mechanism of intermittent presser foot.
Background technology
Sewing machines generally comprises support, is provided with workbench at the upper surface of support, above workbench, is provided with the presser feet that is used for the compress material, and the head of band shank.Some is used to make the Sewing machines of pattern design, and presser feet is pressed in the outer rim of sewing pattern, because institute's pressure scope is bigger, when the cloth of making was extracted, the cloth with the eedle place took up easily, influences the quality of tailoring pattern at eedle.Therefore, through an intermittent presser foot is set at the eedle place, before the sewing beginning, intermittent presser foot is depressed make it to get into duty.When work, intermittent presser foot can be sheathed on outside the eedle, and is driven and can be moved up and down with eedle by axle on the head.When eedle moved downward, intermittent presser foot was followed eedle and is pressed down lining; After eedle was extracted cloth, intermittent presser foot moved upward with eedle.
A kind of Sewing machines of patent of invention title, the disclosed a kind of Sewing machines of patent No. 200710148211.X has with the rotation of motor of sewing machine drives and makes the presser feet that action synchronously moves up and down, pushes down the tubular of machining cloth from the top; Presser feet moves up and down location change mechanism, utilizes actuator to change the moving range of said presser feet up and down; And presser feet control part; Control said actuator; With from make begin to play till having made regulation pin number during in the moving range of said presser feet is changed downwards, thereby prolong utilize said presser feet push down from the top of said machining cloth said machining cloth time push down said machining cloth.Drive mechanism during its work comprises first connecting rod that the rotation of motor of sewing machine is changed and transmitted, link to each other with first connecting rod and transmit the second connecting rod of the power that said first connecting rod changes to said presser feet, and links to each other with second connecting rod and second connecting rod is supported on the third connecting rod on the frame.The mechanism that presser feet is moved up and down is made up of the linkage with first connecting rod, second connecting rod and third connecting rod.First connecting rod, second connecting rod and third connecting rod can absorb the change ground that presser feet moves up and down the position and move.The disclosed intermittent presser foot structure of this patent, its drive mechanism is complicated, is not easy to install and regulate.
Summary of the invention
The utility model technical problem to be solved is to above-mentioned prior art present situation, and a kind of drive mechanism of intermittent presser foot is provided, and it is complicated to have overcome prior art discontinuous presser feet drive mechanism, is not easy to the technical problem of installing and regulating.
The utility model solves the problems of the technologies described above the technical scheme that is adopted: a kind of drive mechanism of intermittent presser foot; Comprise the pressure arm axle that can rotate; And the presser bar that is arranged on the head and can moves up and down, presser bar is connected with the presser feet of tubular and the spring that is used to reset.One end of pressure arm axle spool is connected servo-actuated through bindiny mechanism with last, the other end of pressure arm axle through intermittence connecting rod, fork be connected with presser bar with drive rod, the drive pressure foot lever moves up and down.Intermittently the first end of connecting rod is rotationally connected with first crank of pressure arm shaft end, and intermittently the second end of connecting rod is connected the connection that rotates with the middle part of fork; The first end of fork rotates and is connected with rotating the connecting rod be arranged on the head, and the second end of fork is connected with presser bar through the drive rod that is rotationally connected.
For optimizing technique scheme, the utility model also comprises following improved technical scheme.
The first end of the first above-mentioned crank is fixedly connected with the pressure arm axle, on first crank, is shaped on regulating tank, in regulating tank, is provided with the roller that can regulate eccentric throw, and roller is connected with the first end of connecting rod at intermittence.
Above-mentioned bindiny mechanism comprises the driving cam that is fixedly connected with last axle, between driving cam and pressure arm axle, is provided with connecting rod and driving crank; The first end of connecting rod is located at outside the driving cam through bearing holder (housing, cover), and the second end of connecting rod rotates with the first end of driving crank and is connected, and the second end of driving crank and pressure arm axle are fixedly connected.
Above-mentioned head is fixed with guide post, and presser bar is slidingly matched with guide post is coaxial; Outside guide post, being arranged with spring, matches with head in the upper end of spring, and the lower end is fixedly connected with the presser bar that can move up and down.
Above-mentioned head is provided with regulates bolt and adjusting nut, and the upper end of guide post is connected with the adjusting bolt through adjusting nut.
The first end of above-mentioned connecting rod and the first end of fork are rotationally connected, and the second end of connecting rod rotates and is arranged on the head; Distance between the first end of connecting rod and the second end of connecting rod is identical with the distance that the middle part connects between the position with the first end of fork.
Be provided with pull bar in the above-mentioned head, the first end of pull bar is connected with driving mechanism, and the second end of pull bar is arranged on the interior lifting arm of head with rotation and is connected, and the lifting parts of lifting arm is connected with presser bar.
The second end at above-mentioned connecting rod is shaped on the extension, and the end of extension is connected with presser bar; The lifting parts of lifting arm is connected with presser bar through the extension.
Compared with prior art, the drive mechanism of the utility model intermittent presser foot, its pressure arm axle is connected servo-actuated through bindiny mechanism with last axle, while pressure arm axle through intermittence connecting rod, fork be connected with presser bar with drive rod, the drive presser bar moves up and down.Intermittently the first end of connecting rod is rotationally connected with first crank of pressure arm shaft end, and intermittently the second end of connecting rod is connected the connection that rotates with the middle part of fork.The first end of fork rotates and is connected with rotating the connecting rod be arranged on the head, and the second end of fork is connected with presser bar through the drive rod that is rotationally connected.The intermittent presser foot of the utility model, its drive mechanism has compact, is convenient to the advantage of install adjustment, and before work, conveniently depresses presser feet, after work, conveniently lifts presser feet again.
Description of drawings
Fig. 1 is the three-dimensional sectional structure sketch map of the utility model embodiment.
Fig. 2 is the front view of Fig. 1.
Fig. 3 is the schematic perspective view of the inner intermittent presser foot structure of Fig. 1.
Fig. 4 is the front view of Fig. 3.
Fig. 5 is the assembling decomposing schematic representation of Fig. 3.
The specific embodiment
Embodiment to the utility model describes in further detail below in conjunction with accompanying drawing.
Fig. 1 is extremely shown in Figure 5 to be the structural representation of the utility model.
Reference numeral wherein is: go up axle 1; Driving cam 11; Connecting rod 12; First end 12a; The second end 12b; Driving crank 13; First end 13a; The second end 13b; Bearing 14; Roller 15; Roller shaft 16; Pressure arm axle 2; First crank 21; First end 21a; Regulating tank 21b; Roller 22; Presser bar 3; Presser feet 31; Spring 32; Guide post 33; Pogo barrel 34; Connecting rod 4 intermittently; First end 4a; The second end 4b; Fork 5; The middle part connects position 5a; First end 5b; The second end 5c; Drive rod 6; Connecting rod 7; First end 7a; The second end 7b; Extension 7c; Pull bar 81; First end 81a; The second end 81b; Lifting arm 82; Lifting parts 82a; Driving cam 83; Drive rod 84 intermittently; First end 84a; The second end 84b; Driven wheel 85; Travelling gear 86; End rollers 87; Head 9; Regulate bolt 91; Adjusting nut 92.
A kind of drive mechanism of intermittent presser foot comprises the pressure arm axle 2 that can rotate, and the presser bar 3 that is arranged on the head 9 and can moves up and down, and presser bar 3 is connected with the presser feet 31 and the spring 32 that is used to reset of tubular.One end of pressure arm axle 2 is connected with last axle 1 through bindiny mechanism, and when last axle 1 rotates, through bindiny mechanism with last 1 servo-actuated.The other end of pressure arm axle 2 through intermittence connecting rod 4, fork 5 be connected with presser bar 3 with drive rod 6, drive pressure foot lever 3 moves up and down.
Be fixed with guide post 33 on the head 9.On head 9, can be provided with the upper end that fixture is used to connect guide post 33.Be shaped on axial deep hole on the presser bar 3, and be slidingly matched with the lower end of guide post 33 is coaxial.Outside guide post 33, being arranged with spring 32, matches with head 9 in the upper end of spring 32, and the lower end is fixedly connected with presser bar 3.On presser bar 3, be fixed with the pogo barrel 34 that matches with spring 32 lower ends.
When work, presser bar 3 axially moves up and down along guide post 33 under drive rod 6 and spring 32 act on.
In a preferred embodiment, on head 9, can be provided with adjusting bolt 91 and adjusting nut 92.The upper end of guide post 33 is connected with adjusting bolt 91 through adjusting nut 92, through adjusting nut 92 being set and regulating bolt 91, can adjust the position of guide post 33.
When work, last axle 1 rotates and through bindiny mechanism the pressure arm axle 2 that is installed in the head 9 is rotated together.Pressure arm axle 2 through intermittence connecting rod 4, fork 5 be connected with presser bar 3 with drive rod 6.Intermittently the first end 4a of connecting rod 4 is rotationally connected with first crank 21 of pressure arm axle 2 ends, and intermittently the second end 4b of connecting rod 4 is connected the 5a connection that rotates with the middle part of fork 5.The first end 5b of fork 5 rotates and is connected with rotating the connecting rod 7 be arranged on the head 9, and the second end 5c of fork 5 is connected with presser bar 3 through the drive rod 6 that is rotationally connected.In working order down; When eedle moved downward, pressure arm axle 2 drove intermittently connecting rods 4 through first crank 21, make fork 5 around its first end 5b to lower swing; The second end 5c of fork 5 drives drive rod 6 and moves downward, and presser bar 3 makes presser feet 31 push down lining downwards simultaneously.When eedle upwards proposes cloth; Pressure arm axle 2 drives intermittently connecting rod 4 through first crank 21, makes fork 5 around upwards swing of its first end 5b, and the second end 5c of fork 5 drives drive rod 6 and moves upward; After eedle proposed cloth, presser bar 3 moved upward subsequently and mentions presser feet 31.
In a preferred embodiment; The first end 21a of first crank 21 is fixedly connected with pressure arm axle 2; On first crank 21, be shaped on regulating tank 21b, in regulating tank 21b, be provided with the roller 22 that can regulate eccentric throw, roller 22 is connected with the first end 4a of connecting rod 4 at intermittence.
In the utility model, the first end 7a of connecting rod 7 and the first end 5b of fork 5 are rotationally connected through the axle screw, and the second end 7b of connecting rod 7 rotates and is arranged on the head 9.When work, fork 5 serves as the axle swing with the first end 5b of fork 5.
Distance between the first end 7a of connecting rod 7 and the second end 7b of connecting rod 7 is identical with the distance that the middle part connects between the 5a of position with the first end 5b of fork 5.When work beginning or end-of-job, last axle 1 stops operating with pressure arm axle 2, needs another one power to lift or depress the action of presser feet 31, and presser feet 31 is in the movement travel of operate as normal.When lifting or depress presser feet 31, fork 5 is with the axle center of connection position, middle part 5a, and the second end 5c of fork 5 connects position 5a rotation around the middle part of fork 5.
Be provided with pull bar 81 in the head 9; The first end 81a of pull bar 81 is connected with driving mechanism, and the second end 81b of pull bar 81 is arranged on head 9 interior lifting arms 82 with rotation and is connected, and begins in work through lifting arm 82; Or during end-of-job, lift or depress presser feet 31.The lifting parts 82a of lifting arm 82 can directly be connected with presser bar 3, also can connect indirectly.
In a preferred embodiment, the lifting parts 82a of lifting arm 82 and presser bar 3 are selected indirect ways of connecting for use.The second end 7b at connecting rod 7 is shaped on extension 7c, and the end of extension 7c is connected with presser bar 3, and the lifting parts 82a of lifting arm 82 is connected with presser bar 3 through extension 7c, and the end of lifting parts 82a, extension 7c and presser bar 3 are linked together.
Driving mechanism comprises motor and by the driving cam 83 of driven by motor and rotate the drive rod 84 at intermittence that is arranged on the casing afterbody.Intermittently the first end 84a of drive rod 84 matches with driving cam 83, and intermittently the second end 84b of drive rod 84 and the first end 81a of pull bar 81 are rotationally connected.Motor can directly connect driving cam 83, also can drive driving cam 83 through drive mechanism and rotate.
In the present embodiment, the motor of driving mechanism is connected with driven wheel 85, and driving cam 83 is affixed with travelling gear 86, and travelling gear 86 is meshed with driven wheel 85.Drive rod 84 first end 84a is shaped on the end rollers 87 that matches with driving cam 83 at intermittence.
Bindiny mechanism between last axle 1 and the pressure arm axle 2 comprises the driving cam 11 that is fixedly connected with last axle 1, between driving cam 11 and pressure arm axle 2, is provided with connecting rod 12 and driving crank 13.The first end 12a of connecting rod 12 is sheathed on outside the driving cam 11 through bearing 14, and the second end 12b of connecting rod 12 rotates with the first end 13a of driving crank 13 and is connected, and the second end 13b and the pressure arm axle 2 of driving crank 13 are fixedly connected.In a preferred embodiment, the first end 13a of driving crank 13 is shaped on the chute that can regulate, and the second end 12b of connecting rod 12 is provided with the roller 15 and roller shaft 16 that matches with chute.
The most preferred embodiment of the utility model is illustrated, and various variations of being made by those of ordinary skills or remodeling can not break away from the scope of the utility model.
Claims (8)
1. the drive mechanism of an intermittent presser foot; Comprise the pressure arm axle (2) that can rotate; And be arranged on the head (9) and the presser bar (3) that can move up and down; Described presser bar (3) is connected with the presser feet (31) of tubular and the spring (32) that is used to reset, and it is characterized in that: an end of said pressure arm axle (2) is connected servo-actuated through bindiny mechanism with last axle (1), and the other end of pressure arm axle (2) is through intermittently connecting rod (4), fork (5) are connected with presser bar (3) with drive rod (6); First crank (21) of the first end (4a) of said connecting rod at intermittence (4) and pressure arm axle (2) end is rotationally connected, and intermittently the second end (4b) of connecting rod (4) is connected (5a) connection that rotates with the middle part of fork (5); The first end (5b) and the rotation of said fork (5) is arranged on connecting rod (7) on the head (9) and rotates and be connected, and the second end (5c) of fork (5) is connected with described presser bar (3) through the drive rod (6) that is rotationally connected.
2. the drive mechanism of a kind of intermittent presser foot according to claim 1; It is characterized in that: the first end (21a) of said first crank (21) is fixedly connected with pressure arm axle (2); On first crank (21), be shaped on regulating tank (21b); In regulating tank (21b), be provided with the roller (22) that can regulate eccentric throw, described roller (22) is connected with the first end (4a) of connecting rod at intermittence (4).
3. the drive mechanism of a kind of intermittent presser foot according to claim 1 and 2; It is characterized in that: described bindiny mechanism comprises the driving cam (11) that is fixedly connected with last axle (1), between said driving cam (11) and pressure arm axle (2), is provided with connecting rod (12) and driving crank (13); The first end (12a) of said connecting rod (12) is sheathed on outside the driving cam (11) through bearing (14); The second end (12b) of connecting rod (12) rotates with the first end (13a) of driving crank (13) and is connected, and the second end (13b) of driving crank (13) is fixedly connected with pressure arm axle (2).
4. the drive mechanism of a kind of intermittent presser foot according to claim 1 and 2, it is characterized in that: said head (9) is fixed with guide post (33), described presser bar (3) and coaxial being slidingly matched of guide post (33); Outside guide post (33), being arranged with spring (32), matches with head (9) in the upper end of spring (32), and the lower end is fixedly connected with the presser bar that can move up and down (3).
5. the drive mechanism of a kind of intermittent presser foot according to claim 4 is characterized in that: described head (9) is provided with regulates bolt (91) and adjusting nut (92), and the upper end of said guide post (33) is connected with adjusting bolt (91) through adjusting nut (92).
6. the drive mechanism of a kind of intermittent presser foot according to claim 1 and 2; It is characterized in that: the first end (7a) of said connecting rod (7) is rotationally connected with the first end (5b) of fork (5), and the second end (7b) of connecting rod (7) rotates and is arranged on the head (9); Distance between the first end (7a) of said connecting rod (7) and the second end (7b) of connecting rod (7) is identical with the distance that the middle part connects between the position (5a) with the first end (5b) of fork (5).
7. the drive mechanism of a kind of intermittent presser foot according to claim 6; It is characterized in that: be provided with pull bar (81) in the described head (9); The first end (81a) of said pull bar (81) is connected with driving mechanism; The lifting arm (82) that the second end (81b) and the rotation of pull bar (81) is arranged in the head (9) is connected, and the lifting parts (82a) of lifting arm (82) is connected with presser bar (3).
8. the drive mechanism of a kind of intermittent presser foot according to claim 7, it is characterized in that: the second end (7b) in said connecting rod (7) is shaped on extension (7c), and the end of said extension (7c) is connected with presser bar (3); The lifting parts (82a) of lifting arm (82) is connected with presser bar (3) through extension (7c).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220002724 CN202482602U (en) | 2012-01-06 | 2012-01-06 | Transmission structure for intermittent presser foot |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220002724 CN202482602U (en) | 2012-01-06 | 2012-01-06 | Transmission structure for intermittent presser foot |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202482602U true CN202482602U (en) | 2012-10-10 |
Family
ID=46957036
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220002724 Expired - Fee Related CN202482602U (en) | 2012-01-06 | 2012-01-06 | Transmission structure for intermittent presser foot |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202482602U (en) |
-
2012
- 2012-01-06 CN CN 201220002724 patent/CN202482602U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20161012 Address after: 315100 Zhejiang city of Ningbo province Yinzhou District Jingu Road No. 219 Patentee after: NINGBO SUPREME ELECTRONIC MACHINERY CO., LTD. Address before: 315100 No. 528 Jin Yuan Road, Yinzhou investment center, Ningbo, Zhejiang, Yinzhou District Patentee before: Ningbo Supreme Electronic Technology Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121010 Termination date: 20210106 |