CN202492693U - Needle bar swing structure of round head button hole machine - Google Patents
Needle bar swing structure of round head button hole machine Download PDFInfo
- Publication number
- CN202492693U CN202492693U CN 201220065627 CN201220065627U CN202492693U CN 202492693 U CN202492693 U CN 202492693U CN 201220065627 CN201220065627 CN 201220065627 CN 201220065627 U CN201220065627 U CN 201220065627U CN 202492693 U CN202492693 U CN 202492693U
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- shank
- pin
- pipe box
- pin pendulum
- pendulum
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Abstract
The utility model discloses a needle bar swing structure of a round head button hole machine. The needle bar swing structure of the round head button hole machine is characterized in that a pipe sleeve seat is rotationally arranged at the bottom of a machine head and internally provided with a movable needle bar guide pipe sleeve; a needle bar movably penetrates through the needle bar guide pipe sleeve; a guide block is arranged on the lower end of the needle bar guide pipe sleeve; guide chutes are arranged on the surfaces of both outer sides of the guide block; a guide seat corresponding to the guide block is fixedly arranged on the lower end of the pipe sleeve seat, and the guide seat is provided with a guide bar matched with the guide chutes. According to the utility model, the needle bar guide pipe sleeve can swing in a horizontal direction when moving up and down through the match of the guide bar and the guide chutes, and therefore, the needle bar can be matched with different curved needles; and in addition, the utility model has the advantages of simple structure and convenience for instillation.
Description
Technical field
The utility model relates to a kind of round end button holing sewing machine, specifically the shank swinging structure of eyelet buttonhole sewing machine.
Background technology
Existing round end button holing sewing machine comprises Sewing machines support and the head that is positioned at Sewing machines support top, is provided with the shank that can move up and down at the front end of head.In the support of Sewing machines, on position under the eedle, be provided with and adorning two loopers and the curved needle seat structure that makes these looper actions.The following synchronized movement of two loopers of curved needle seat and eedle ground moves, thereby interactively on machining cloth, forms stitching with suture needle.When eyelet buttonhole sewing machine was worked, shank not only moved up and down, and also cooperated curved needle seat to swing simultaneously, so that cooperate sewing with two loopers respectively.The shank swinging structure complex structure of existing round end button holing sewing machine is difficult for installing and debugging, haves much room for improvement.
Summary of the invention
The utility model technical problem to be solved is to above-mentioned prior art present situation, and the shank swinging structure of eyelet buttonhole sewing machine is provided.
The utility model solves the problems of the technologies described above the technical scheme that is adopted: the shank swinging structure of eyelet buttonhole sewing machine; Comprise head; The bottom of head is rotated and is provided with trunnion carrier, is provided with movable shank guiding pipe box in the trunnion carrier, and the shank activity is arranged in the shank guiding pipe box; Lower end at shank guiding pipe box is equipped with guide pad, and two outer surfaces of guide pad are shaped on the guiding skewed slot; Be installed with the guide holder corresponding with guide pad in the lower end of trunnion carrier, guide holder is provided with the guide post that matches with the skewed slot that leads.
For optimizing technique scheme, the utility model also comprises following improved technical scheme.
The top of the above-mentioned shank guiding pipe box pin pendulum level frame that has been rotatably assorted, pin pendulum level frame is sheathed on outside the shank guiding pipe box; Above pin pendulum level frame, be provided with the first shank pipe box support that is fixedly connected with shank guiding pipe box; Below pin pendulum level frame, be provided with the second shank pipe box support that is fixedly connected with shank guiding pipe box, pin pendulum level frame is limited between the first shank pipe box support and the second shank pipe box support.
The afterbody of above-mentioned head is equipped with rotating shaft, and bevel gear and pin pendulum cam is installed in rotating shaft; Bevel gear and the travelling gear engagement that is installed on the axle drive rotating shaft and pin pendulum cam rotation.
Side at above-mentioned pin pendulum cam is equipped with pin pendulum fork part, and pin pendulum fork part is rotationally connected through installation shaft and head, and matches with pin pendulum cam.
Head front portion above-mentioned is equipped with the pin wobble crank, is shaped on mounting groove on the pin wobble crank; Between pin wobble crank and pin pendulum fork part, be provided with pin pendulum connecting rod; One end of pin pendulum connecting rod and pin pendulum fork part are rotationally connected, and the other end is arranged in the mounting groove of pin wobble crank.
Above-mentioned pin wobble crank rotates and is arranged on the pin swinging axle, and the pin swinging axle is provided with the pin pendulum driving crank with the interlock of pin wobble crank.
Above-mentioned pin is put the movable end that drives crank and is connected with pin pendulum yoke, and pin pendulum level frame is shaped on two connecting axles, and pin pendulum yoke matches with the connecting axle that pin is put on the level frame, drives pin pendulum level frame and moves up and down.
Be installed with synchronizing wheel on the above-mentioned trunnion carrier, rotate through guiding pipe box of the shank in synchronous drive trunnion carrier and the trunnion carrier and shank.
Compared with prior art, the shank swinging structure of the eyelet buttonhole sewing machine of the utility model is provided with trunnion carrier in the rotation of the bottom of head, is provided with movable shank guiding pipe box in the trunnion carrier, and the shank activity is arranged in the shank guiding pipe box; Lower end at shank guiding pipe box is equipped with guide pad, and two outer surfaces of guide pad are shaped on the guiding skewed slot; Be installed with the guide holder corresponding with guide pad in the lower end of trunnion carrier, guide holder is provided with the guide post that matches with the skewed slot that leads.Through the cooperation of guide post with the guiding skewed slot, when shank guide pipe cover moves up and down, can carry out the swing of horizontal direction, thereby shank is matched with different loopers, have simple in structure, convenient installation.
Description of drawings
Fig. 1 is the sectional structure sketch map of the utility model embodiment.
Fig. 2 is the inside perspective view of Fig. 1.
Fig. 3 is the front view of Fig. 2.
Fig. 4 is the rearview of Fig. 3.
Fig. 5 is the vertical view of Fig. 3.
Fig. 6 is the assembling decomposing schematic representation of Fig. 2.
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 6 to be the structural representation of the utility model.
Reference numeral wherein is: go up axle 1; Last axle crank 11; Synchronizing wheel 12; Travelling gear 13; Head 2; Guide runner 21; Guide chute 21a; Supporting base 22; Shank axle sleeve 23; Shank protects frame 24; Rotating shaft 25; Crank connecting link seat 3; Slide bar 31; Slide block 32; Axle sleeve 33; Crank connecting link 34; Connect forked standard 34a; Bent axle 35; Shank 4; The first shank anchor ear 41; The second shank anchor ear 42; Trunnion carrier 5; Guide holder 5a; Shank guiding pipe box 51; Pin pendulum level frame 52; Connecting axle 52a; The first shank pipe box support 53; The second shank pipe box support 54; Guide pad 55; Guiding skewed slot 55a; Guide post 56; Bevel gear 61; Pin pendulum cam 62; Pin pendulum fork part 63; Pin wobble crank 64; Mounting groove 64a; Pin pendulum connecting rod 65; Pin swinging axle 66; The pin pendulum drives crank 67; Connecting plate 68; Pin pendulum yoke 69; Thread take-up tension lever 7; Thread take-up tension lever back shaft 71; Bogie 72; Roller shaft 73; Thread take-up tension lever cam 74; Handwheel 75; Roller 76.
As shown in Figure 1, the eyelet buttonhole sewing machine of the utility model comprises the upward axle 1 through the driven by motor rotation.Last axle 1 is rotatably installed in the head 2 through bearing.Front end at last axle 1 is fixed with axle crank 11, and the rear end of last axle 1 is fixed with synchronizing wheel 12.Described synchronizing wheel 12 is connected with driving wheel on the motor power axle through synchronous band, through axle 1 rotary work on the driven by motor.
Be provided with the guide runner 21 that two front and back fixed interval are provided with in the front portion of head 2, the opposite face of guide runner 21 is shaped on guide chute 21a longitudinally respectively.
Between two guide runners 21, be provided with crank connecting link seat 3.Be fixedly connected with slide bar 31 in the both sides of crank connecting link seat 3, be connected with slide block 32 in the end of slide bar 31.Slide bar 31 with stretch in the guide chute 21a of guide runner 21, and slide block 32 and guide chute 21a are slidingly matched.Crank connecting link seat 3 can move up and down along the guide chute 21a of guide runner 21.
Be shaped on axle sleeve 33 at the center of crank connecting link seat 3, in axle sleeve 33, be provided with shank 4.Upper fixed at axle sleeve 33 has the first shank anchor ear 41 that is fixedly connected with shank 4, below axle sleeve 33, is fixed with the second shank anchor ear 42 that is fixedly connected with shank 4.Crank connecting link seat 3 is locked between the first shank anchor ear 41 and the second shank anchor ear 42, and drives shank 4 and move up and down, simultaneously between crank connecting link seat 3 and the shank 4 for being rotatably assorted.
Be fixed with supporting base 22 on the top of head 2, be fixed with shank axle sleeve 23 on the supporting base 22.Shank 4 vertically is arranged in the head 2, and shank 4 tops and shank axle sleeve 23 are slidingly matched.Be fixed with shank on head 2 tops and protect frame 24, prevent to collide when shank 4 from moving up and down foreign object.
Above crank connecting link seat 3, be provided with crank connecting link 34.The bottom of crank connecting link 34 is shaped on and connects forked standard 34a.The connection forked standard 34a of crank connecting link 34 matches with the slide bar 31 of crank connecting link seat 3 both sides.
The top of crank connecting link 34 is connected with bent axle 35, and bent axle 35 connects goes up axle crank 11.When last axle 1 rotates, through last axle crank 11, bent axle 35 and crank connecting link 34, last 1 rotation is converted into moving up and down of crank connecting link seat 3, crank connecting link seat 3 drive shanks 4 move up and down then.
Shank 4 is connected with the shank swinging structure, and can be that fulcrum swings back and forth slightly with crank connecting link seat 3.The shank swinging structure comprises and rotates the trunnion carrier 5 that is arranged on head 2 bottoms, is provided with movable shank guiding pipe box 51 in the trunnion carrier 5, and shank 4 activities are arranged in the shank guiding pipe box 51.
In shank guiding pipe box 51 lower ends guide pad 55 is installed, two outer surfaces of guide pad 55 are shaped on guiding skewed slot 55a.Be installed with the guide holder 5a corresponding with guide pad 55 in the lower end of trunnion carrier 5, described guide holder 5a is provided with the guide post 56 that matches with the skewed slot 55a that leads.
Shank 4 is slidingly arranged in the shank guiding pipe box 51, by shank guiding pipe box 51 adjustment shank 4 positions in the horizontal direction.When shank guiding pipe box 51 moves up and down with respect to trunnion carrier 5; Because the effect of guiding skewed slot 55a; Guide post 56 matches with the guiding skewed slot 55a other end to guide post 56 with the end routing motion of guiding skewed slot 55a; Shank guiding pipe box 51 is just swung with respect to trunnion carrier 5, thereby the shanks 4 in the shank guiding pipe box 51 are swung back and forth around crank connecting link seat 3 slightly.
The top of shank guiding pipe box 51 is connected with and is used to drive its pin that moves up and down pendulum level frame 52, and pin pendulum level frame 52 is sheathed on outside the shank guiding pipe box 51.Above pin pendulum level frame 52, be provided with the first shank pipe box support 53 that is fixedly connected with shank guiding pipe box 51, below pin pendulum level frame 52, be provided with the second shank pipe box support 54 that is connected with shank guiding pipe box 51.
Pin pendulum level frame 52 is locked on the shank guiding pipe box 51 by the first shank pipe box support 53 and the second shank pipe box support 54, can move up and down to pipe box 51 by the driving needle rod guidance, and pin is put between level frame 52 and the shank guiding pipe box 51 to being rotatably assorted.
Afterbody at head 2 is equipped with rotating shaft 25, and bevel gear 61 and pin pendulum cam 62 are installed in the rotating shaft 25.Bevel gear 61 and travelling gear 13 engagements that are installed on the axle 1 drive rotating shaft 25 and rotate with pin pendulum cam 62.
Side at pin pendulum cam 62 is equipped with pin pendulum fork part 63.Pin pendulum fork part 63 is rotationally connected through installation shaft and head 2, and matches with pin pendulum cam 62.Pin pendulum cam 62 drives 63 swings of pin pendulum fork part when rotating.
In head 2 front portions pin wobble crank 64 is installed, is shaped on mounting groove 64a on the pin wobble crank 64.Between pin wobble crank 64 and pin pendulum fork part 63, be provided with pin pendulum connecting rod 65.One end of pin pendulum connecting rod 65 and pin pendulum fork part 63 are rotationally connected, and the other end is arranged in the mounting groove 64a of pin wobble crank 64, drives pin wobble crank 64 and rotates.The end of pin pendulum connecting rod 65 and the link position of mounting groove 64a can be adjusted, thereby can adjust the amplitude of fluctuation of pin wobble crank 64.
Pin wobble crank 64 rotates and is arranged on the pin swinging axle 66, on pin swinging axle 66, also is provided with the pin pendulum and drives crank 67.Pin wobble crank 64 and pin pendulum drive between the crank 67 and are fixedly connected with connecting plate 68, and pin wobble crank 64 drives crank 67 through connecting plate 68 drive pin pendulum and rotates.
The movable end that drives crank 67 at the pin pendulum is connected with pin pendulum yoke 69.Pin is put level frame 52 and is shaped on two connecting axle 52a, and the pin pendulum drives crank 67 and is fixed with pin pendulum yoke 69, and pin pendulum yoke 69 matches with the connecting axle 52a that pin is put on the level frame 52.When the pin pendulum drove 66 rotations of crank 67 cast-over swinging axles, pin pendulum yoke 69 drove pin pendulum level frames 52 and moves up and down.
On trunnion carrier 5, be installed with synchronizing wheel 12, drive trunnion carrier 5 through synchronous band and rotate.Because the guide pad 55 of the guide holder 5a of trunnion carrier 5 and shank guiding pipe box 51 matches, just can drive shank guiding pipe box 51 and shank 4 and rotate together.
With rotating shaft 25 that bevel gear 61 is connected on, be fixed with thread take-up tension lever cam 74.In head 2, be provided with thread take-up tension lever 7, the bottom of thread take-up tension lever 7 and head 2 are rotatably assorted through thread take-up tension lever back shaft 71, and the middle part of thread take-up tension lever 7 is shaped on bogie 72.
Bogie 72 is connected with roller shaft 73, and roller shaft 73 is equipped with roller 76, and roller 76 matches with the cam path of thread take-up tension lever cam 74.When thread take-up tension lever cam 74 rotated, driving thread take-up tension lever 7 was that fulcrum swings back and forth with thread take-up tension lever back shaft 71.
Be fixedly connected the handwheel 75 that is useful on axle 1 rotation in the drive in rotating shaft 25 ends.When debugging, can rotate to drive axle 1 through rotating handwheel 75.
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 shank swinging structure of eyelet buttonhole sewing machine; Comprise head (2); It is characterized in that: the bottom of said head (2) is rotated and is provided with trunnion carrier (5), is provided with movable shank guiding pipe box (51) in the described trunnion carrier (5), and described shank (4) activity is arranged in the shank guiding pipe box (51); Lower end at shank guiding pipe box (51) is equipped with guide pad (55), and two outer surfaces of guide pad (55) are shaped on guiding skewed slot (55a); Be installed with the guide holder (5a) corresponding with said guide pad (55) in the lower end of trunnion carrier (5), described guide holder (5a) is provided with the guide post (56) that matches with the skewed slot that leads (55a).
2. the shank swinging structure of eyelet buttonhole sewing machine according to claim 1 is characterized in that: the top of said shank guiding pipe box (51) the pin pendulum level frame (52) that has been rotatably assorted, and described pin pendulum level frame (52) is sheathed on outside the shank guiding pipe box (51); Be provided with the first shank pipe box support (53) that is fixedly connected with shank guiding pipe box (51) in the top of pin pendulum level frame (52); Be provided with the second shank pipe box support (54) that is fixedly connected with shank guiding pipe box (51) in pin pendulum level frame (52) below, pin pendulum level frame (52) is limited between the described first shank pipe box support (53) and the second shank pipe box support (54).
3. the shank swinging structure of eyelet buttonhole sewing machine according to claim 2, it is characterized in that: the afterbody of said head (2) is equipped with rotating shaft (25), and bevel gear (61) and pin pendulum cam (62) is installed in rotating shaft (25); Described bevel gear (61) and travelling gear (13) engagement that is installed on the axle (1) drive rotating shaft (25) and pin pendulum cam (62) and rotate.
4. the shank swinging structure of eyelet buttonhole sewing machine according to claim 3; It is characterized in that: the side at said pin pendulum cam (62) is equipped with pin pendulum fork part (63); Described pin pendulum fork part (63) is rotationally connected through installation shaft and head (2), and matches with pin pendulum cam (62).
5. the shank swinging structure of eyelet buttonhole sewing machine according to claim 4 is characterized in that: in head (2) front portion pin wobble crank (64) is installed, is shaped on mounting groove (64a) on the described pin wobble crank (64); Between pin wobble crank (64) and pin pendulum fork part (63), be provided with pin pendulum connecting rod (65); One end of described pin pendulum connecting rod (65) and pin pendulum fork part (63) are rotationally connected, and the other end is arranged in the mounting groove (64a) of pin wobble crank (64).
6. the shank swinging structure of eyelet buttonhole sewing machine according to claim 5 is characterized in that: described pin wobble crank (64) rotates and is arranged on the pin swinging axle (66), and the pin pendulum that pin swinging axle (66) is provided with pin wobble crank (64) interlock drives crank (67).
7. the shank swinging structure of eyelet buttonhole sewing machine according to claim 6; It is characterized in that: the movable end that said pin pendulum drives crank (67) is connected with pin pendulum yoke (69); Described pin pendulum level frame (52) is shaped on two connecting axles (52a); Described pin pendulum yoke (69) matches with the connecting axle (52a) that pin is put on the level frame (52), drives pin pendulum level frame (52) and moves up and down.
8. the shank swinging structure of eyelet buttonhole sewing machine according to claim 7; It is characterized in that: be installed with synchronizing wheel (12) on the described trunnion carrier (5), rotate through guiding pipe box (51) of the shank in synchronous drive trunnion carrier (5) and the trunnion carrier (5) and shank (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220065627 CN202492693U (en) | 2012-02-27 | 2012-02-27 | Needle bar swing structure of round head button hole machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220065627 CN202492693U (en) | 2012-02-27 | 2012-02-27 | Needle bar swing structure of round head button hole machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202492693U true CN202492693U (en) | 2012-10-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220065627 Expired - Fee Related CN202492693U (en) | 2012-02-27 | 2012-02-27 | Needle bar swing structure of round head button hole machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202492693U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103243494A (en) * | 2013-05-28 | 2013-08-14 | 江苏大岛机械集团有限公司 | High-speed single needle bar drive head |
| CN107345343A (en) * | 2016-05-04 | 2017-11-14 | 启翔股份有限公司 | The transfer device that shank moves up and down |
-
2012
- 2012-02-27 CN CN 201220065627 patent/CN202492693U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103243494A (en) * | 2013-05-28 | 2013-08-14 | 江苏大岛机械集团有限公司 | High-speed single needle bar drive head |
| CN107345343A (en) * | 2016-05-04 | 2017-11-14 | 启翔股份有限公司 | The transfer device that shank moves up and down |
| CN107345343B (en) * | 2016-05-04 | 2019-10-18 | 启翔股份有限公司 | The transfer device that shank moves up and down |
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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: 20161019 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 |
Granted publication date: 20121017 Termination date: 20200227 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |