CN205062381U - Can high -efficiently stabilize roller trolley of backstitch - Google Patents
Can high -efficiently stabilize roller trolley of backstitch Download PDFInfo
- Publication number
- CN205062381U CN205062381U CN201520732704.8U CN201520732704U CN205062381U CN 205062381 U CN205062381 U CN 205062381U CN 201520732704 U CN201520732704 U CN 201520732704U CN 205062381 U CN205062381 U CN 205062381U
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- bearing
- holder
- axle
- fixed
- eccentric shaft
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Abstract
The utility model discloses a can high -efficiently stabilize roller trolley of backstitch, including aircraft nose and well seat structure, the aircraft nose includes head shell and sets up the first electro -magnet in head shell, first magnet steel axle and the first one -way woods rotary mechanism that banks up with earth, well seat structure includes the bottom plate, the well seat of setting on the bottom plate, the gear drive of setting on well seat and the one -way woods rotary mechanism that banks up with earth of second who connects gear drive, first electro -magnet is connected through an eccentric shaft between the woods rotary mechanism with first one -way banking up with earth, the one -way woods rotary mechanism that banks up with earth of second includes the one -way woods axle of banking up with earth of second, bank up woods axle fixing base with earth, it is equipped with and promotes to bank up with earth woods fixing base wobbling second connecting rod and second electro -magnet to bank up woods axle fixing base one side with earth. The utility model discloses can carry out steady backstitch to thick harder seam material such as leathers, reduce workman intensity of labour, improve and made up efficiency, reduce and made up the cost, the while work feed is safe and reliable more, makes the sewing palpus smooth, and the stitch seam is pleasing to the eye, be applicable to the leather seam material of various thickness.
Description
Technical field
The utility model relates to a kind of sewing machine, particularly relate to a kind of can the roller sewing machine that backstitches of efficient stable.
Background technology
Roller sewing machine is continually developed as one of main sewing tool making footwear and is improved; But, make in process at thicker harder sewings such as leathers, common roller sewing machine is often owing to backstitching a work feed wheel difficult problem, all cannot realize backstitching, unidirectionally can only make, stitched and needed manually to change to make again, strengthen labor strength, reduce sewing efficiency, improve and make cost;
And backstitch in the roller sewing machine of function having, the presser feet gear at head place needs to adopt special clutch to throw off or engagement to control it, thus facilitates it to coordinate with cloth pressing wheel smoothly.
Utility model content
The utility model is in order to solve the defect and deficiency that exist in above-mentioned prior art, provide a kind of can be reliable and stable presser feet is out of gear or engages, and steadily can backstitch thicker harder sewings such as leathers, reduce labor strength, improve sewing efficiency, reduce make cost can the roller sewing machine that backstitches of efficient stable.
The technical solution of the utility model: a kind of can the roller sewing machine that backstitches of efficient stable, comprise head and middle holder structure, described head comprises handpiece case and is arranged on the first electromagnet, the first magnet steel axle and the first unidirectional Bearing rotating mechanism in handpiece case, described middle holder structure comprises base plate, the middle seat be arranged on base plate, be arranged on gear drive on middle seat and the be connected gear drive second unidirectional Bearing rotating mechanism
Be connected by an eccentric shaft structure between described first electromagnet with the first unidirectional Bearing rotating mechanism;
Described first unidirectional Bearing rotating mechanism comprises the first unidirectional Bearing axle, unidirectional bearing seat, and described first unidirectional Bearing axle upper end is provided with Bearing axle bearing;
Described eccentric shaft structure comprises eccentric shaft, eccentric shaft locating piece and eccentric shaft contiguous block, and described eccentric shaft one end is connected with Bearing axle bearing, and the eccentric shaft other end is connected with the first magnet steel axle by eccentric shaft contiguous block;
The through hole of the unidirectional Bearing axle of cooperation first is provided with bottom described handpiece case;
Described gear drive comprises driven wheel, rotates forward the gear shaft of gear, counter gear and connection main story gear and counter gear;
Described second unidirectional Bearing rotating mechanism comprises the second unidirectional Bearing axle, Bearing axle holder, and described Bearing axle holder side is provided with the second connecting rod and the second electromagnet that promote the swing of Bearing holder;
Described driven wheel is fixed on bottom the second unidirectional Bearing axle, and described Bearing axle holder swings fixed axis swing by one and is connected on base plate; Described second electromagnet is fixed on base plate side by an electromagnet fixed mount, and described second connecting rod one end connects the second electromagnet by one second magnet steel axle, and the second connecting rod other end connects Bearing axle holder side.
The utility model adopts bearing pivot arc swing gear principle, commutation reversion, solves and backstitches a work feed wheel difficult problem in the past, roller sewing machine steadily can be backstitched thicker harder sewings such as leathers, reduce labor strength, improve sewing efficiency, reduce and make cost; Adopt unidirectional Bearing rotating mechanism simultaneously, make the work feed of roller sewing machine more safe and reliable, make sewing palpus smooth, stitching is attractive in appearance; Be applicable to the leather sewing of various thickness; Simultaneously, adopt eccentric lever principle, namely eccentric shaft coordinates unidirectional Bearing rotating mechanism to control the clutch of presser feet gear, and what it is such that it can be reliable and stable is out of gear presser feet or engages, presser feet gear can be coordinated with cloth pressing wheel smoothly, thus ensure that it steadily backstitches.
The utility model overall appearance is generous, simple operation, and main portions all adopts needle bearing or ball bearing, and operate gently cunning, and sewing performance is splendid, greatly increases work efficiency, and automation roller sewing machine backstitches trimming can improve more than 30% efficiency,
Electromagnet in the utility model is arranged magnet steel axle for promoting connecting rod, its actuating length is well controlled, thus make the swing of connecting rod promotion Bearing axle holder more reliable and more stable.
Preferably, described Bearing axle bearing upper end is provided with slide plate, and described handpiece case is provided with limited block, is provided with the chute coordinating slide plate in described limited block.
This kind of structure makes the rising of unidirectional Bearing axle and declines more steadily reliable, thus makes the clutch of presser feet gear more reliable and more stable.
Preferably, described eccentric shaft contiguous block comprises an axle sleeve and is fixed on the first connecting rod of axle sleeve one end, and the described axle sleeve other end connects eccentric shaft, and described first connecting rod is connected with the first magnet steel axle by a pull bar.
This kind of structure makes the driving eccentric shaft turns that electromagnet can be convenient, and makes eccentric shaft turns steadily reliable.
Preferably, described limited block upper end is fixed on handpiece case by a connecting piece and trip bolt.
This kind of structure makes the connection of limited block more solid and reliable, thus makes the rising of unidirectional Bearing axle and decline more steadily reliable.
Preferably, described gear shaft two ends are provided with clutch shaft bearing, and described middle seat is provided with and coordinates the bearing holder (housing, cover) of clutch shaft bearing and the elongated slot of cooperating teeth wheel shaft.
This kind of structure makes the rotation of gear shaft more steadily reliable, also makes gear shaft, rotating forward gear and counter gear better be protected simultaneously.
Preferably, described base plate is provided with holder, and described Bearing axle holder is connected with holder by swinging fixed axis, is fixed on holder bottom described swing fixed axis, and described Bearing axle holder is rotatably connected on and swings on fixed axis.
This kind of structure makes the swing of Bearing axle holder more steadily reliable, thus makes driven wheel better can engage rotating forward gear or counter gear.
Preferably, described holder is provided with the swing limit base of restriction Bearing axle holder pendulum angle, described swing limit base two ends are provided with positive stop, and the height of described positive stop is higher than the height of holder, and the height of positive stop is lower than the height of Bearing axle holder.
It is better spacing that this kind of structure makes the swing of Bearing axle holder obtain, prevent driven wheel with rotate forward gear and counter gear engage tension, be difficult to transmission.
Preferably, described swing fixed axis top is provided with two the second bearings, is provided with bearing spacer sleeve between two the second bearings, and the top swinging fixed axis is also provided with the end ring of cooperation second bearing.
This kind of structure makes Bearing axle holder more steadily reliable with the connection swinging fixed axis.
Preferably, described base plate both sides are provided with right baffle-plate and right baffle plate, are provided with left fixed station inside described right baffle-plate, are provided with right fixed station inside described right baffle plate, described electromagnet fixed mount comprises horizontal construction section, vertically supporting section and horizontal support section, and described electromagnet is fixed in horizontal support section.
Preferably, described horizontal construction section is fixed on left fixed station or on right fixed station by trip bolt.
This kind of structure makes the installation of electromagnet more solid and reliable, makes the action of electromagnet more steadily reliable.
The utility model adopts bearing pivot arc swing gear principle, commutation reversion, solves and backstitches a work feed wheel difficult problem in the past, roller sewing machine steadily can be backstitched thicker harder sewings such as leathers, reduce labor strength, improve sewing efficiency, reduce and make cost; Adopt unidirectional Bearing rotating mechanism simultaneously, make the work feed of roller sewing machine more safe and reliable, make sewing palpus smooth, stitching is attractive in appearance; Be applicable to the leather sewing of various thickness; Simultaneously, adopt eccentric lever principle, namely eccentric shaft coordinates unidirectional Bearing rotating mechanism to control the clutch of presser feet gear, and what it is such that it can be reliable and stable is out of gear presser feet or engages, presser feet gear can be coordinated with cloth pressing wheel smoothly, thus ensure that it steadily backstitches.
Accompanying drawing explanation
Fig. 1 is the structural representation of holder structure in the utility model embodiment 1;
Fig. 2 is the detonation configuration schematic diagram of holder structure in the utility model embodiment 1;
Fig. 3 is the structural representation of holder structure in the utility model embodiment 2;
Fig. 4 is the detonation configuration schematic diagram of holder structure in the utility model embodiment 2;
Fig. 5 is the detonation configuration schematic diagram of head in the utility model;
Fig. 6 is the structural representation of head in the utility model;
1. base plates in figure, 2. seat in, 3. the second unidirectional Bearing axle, 4. Bearing axle holder, 5. the second electromagnet, 6. second connecting rod, 7. holder, 8. swing limit base, 9. positive stop, 10. the second magnet steel axle, 11. electromagnet fixed mounts, 12. bearing holder (housing, cover)s, 13. driven wheels, 14. rotate forward gear, 15. counter gears, 16. clutch shaft bearings, 17. swing fixed axis, 18. second bearings, 19. bearing spacer sleeves, 20. end rings, 21. gear shafts, 22. right baffle-plates, 23. right baffle plates, 24. horizontal construction sections, 25. vertical supporting sections, 26. horizontal support sections, 27. left fixed stations, 28. right fixed stations, 31. handpiece cases, 32. first electromagnet, 33. first unidirectional Bearing axles, 34. unidirectional bearing seats, 35. Bearing axle bearings, 36. pull bars, 37. eccentric shaft contiguous blocks, 371. axle sleeve, 372. first connecting rod, 38. eccentric shaft locating pieces, 39. limited blocks, 310. chute, 311. brace, 312. slide plate, 313. eccentric shaft, 314. first magnet steel axles, 315. through hole.
Detailed description of the invention
Below in conjunction with accompanying drawing, embodiment and the course of work, the utility model is described in further detail, but is not the restriction to the utility model protection domain.
Embodiment 1
As shown in figs 1-2 and 5-6, a kind of can the roller sewing machine that backstitches of efficient stable, comprise head and middle holder structure, the first electromagnet 32 that head comprises handpiece case 31 and is arranged in handpiece case 31, first magnet steel axle 314 and the first unidirectional Bearing rotating mechanism, middle holder structure comprises base plate 1, be arranged on the middle seat 2 on base plate 1, be arranged on the gear drive on seat 2 and the be connected gear drive second unidirectional Bearing rotating mechanism, be connected by an eccentric shaft structure between first electromagnet 32 with the first unidirectional Bearing rotating mechanism, first unidirectional Bearing rotating mechanism comprises the first unidirectional Bearing axle 33, unidirectional bearing seat 34, first unidirectional Bearing axle 33 upper end is provided with Bearing axle bearing 35, eccentric shaft structure comprises eccentric shaft 313, eccentric shaft locating piece 38 and eccentric shaft contiguous block 37, and eccentric shaft 313 one end is connected with Bearing axle bearing 35, and eccentric shaft 313 other end is connected with the first magnet steel axle 314 by eccentric shaft contiguous block 37, the through hole 315 of the unidirectional Bearing axle 33 of cooperation first is provided with bottom handpiece case 31.Gear drive comprises driven wheel 13, rotates forward gear 14, counter gear 15 and the gear shaft 21 being connected main story gear 14 and counter gear 15; Second unidirectional Bearing rotating mechanism comprises the second unidirectional Bearing axle 3, Bearing axle holder 4, and Bearing axle holder 4 side is provided with the second connecting rod 6 and the second electromagnet 5 that promote the swing of Bearing holder 4; Driven wheel 13 is fixed on bottom the second unidirectional Bearing axle 3, and Bearing axle holder 4 swings fixed axis 17 swing by one and is connected on base plate 1; Second electromagnet 5 is fixed on base plate 1 side by an electromagnet fixed mount 11, and second connecting rod 6 one end connects the second electromagnet 5 by one second magnet steel axle 10, and second connecting rod 6 other end connects Bearing axle holder 4 side.Bearing axle bearing 35 upper end is provided with slide plate 312, and handpiece case 31 is provided with limited block 39, is provided with the chute 310 coordinating slide plate 312 in limited block 39.Eccentric shaft contiguous block 37 comprises an axle sleeve 371 and is fixed on the first connecting rod 372 of axle sleeve 371 one end, and axle sleeve 371 other end connects eccentric shaft 313, and first connecting rod 372 is connected with the first magnet steel axle 314 by a pull bar 36.Limited block 39 upper end is fixed on handpiece case 31 by a connecting piece 311 and trip bolt.
Gear shaft 21 two ends are provided with clutch shaft bearing 16, and middle seat 2 is provided with and coordinates the bearing holder (housing, cover) 12 of clutch shaft bearing 16 and the elongated slot of cooperating teeth wheel shaft 21.Base plate 1 is provided with holder 7, and Bearing axle holder 4 is connected with holder 7 by swinging fixed axis 17, swings and is fixed on holder 7 bottom fixed axis 17, and Bearing axle holder 4 is rotatably connected on and swings on fixed axis 17.Holder 7 is provided with the swing limit base 8 of restriction Bearing axle holder 4 pendulum angle, swings limit base 8 two ends and is provided with positive stop 9, and the height of positive stop 9 is higher than the height of holder 7, and the height of positive stop 9 is lower than the height of Bearing axle holder 4.Swing fixed axis 17 top is provided with between two the second bearings, 18, two the second bearings 18 and is provided with bearing spacer sleeve 19, and the top swinging fixed axis 17 is also provided with the end ring 20 of cooperation second bearing 18.Base plate 1 both sides are provided with right baffle-plate 22 and right baffle plate 23, left fixed station 27 is provided with inside right baffle-plate 22, be provided with right fixed station 28 inside right baffle plate 23, electromagnet fixed mount 11 comprises horizontal construction section 24, vertically supporting section 25 and horizontal support section 26, second electromagnet 5 and is fixed in horizontal support section 26.Horizontal construction section 24 is fixed on left fixed station 27 by trip bolt.
Embodiment 2
As shown in Figure 3-4, horizontal construction section 24 is fixed on right fixed station 28 by trip bolt.
The course of work of the present utility model: when roller sewing machine is normally sewed, the presser feet gears meshing at roller sewing machine Handpiece Location place, compress gear rotates forward; Driven wheel on middle holder structure is engaged to rotate forward on gear and carries out transmission, rotates forward gear driven work feed wheel and rotates forward;
When roller sewing machine needs to backstitch, second electromagnet energising of holder structure during controller controls automatically, second electromagnet promotes second connecting rod, Bearing axle holder is swung around swing fixed axis, position driven wheel being moved to engage with counter gear and counter gear engaged transmission, counter gear drives the reversion of work feed wheel.
Now, the first electromagnet energising on head, pull bar is pulled by the first magnet steel axle, pull bar drives eccentric shaft turns by eccentric shaft contiguous block, eccentric shaft drives Bearing axle up to lift by Bearing axle bearing, presser feet gear (presser feet gear is connected to the bottom of unidirectional Bearing axle) is thrown off, just plays clutch action, the upper work feed wheel at head place is run out of steam, and only the power drive that backstitches of work feed wheel backstitches on the lower.
When the utility model is normally sewed, the wheel of work feed up and down at head place is rotating forward, and the driven wheel at middle holder structure place drives and rotates forward gear rotating forward;
When backstitching, the lower work feed wheel at head place is reversion, and upper work feed wheel is out of gear due to presser feet, runs out of steam, and the Reverse Power of work feed wheel drives on the lower, and the driven wheel at middle holder structure place drives counter gear reversion.
The utility model adopts bearing pivot arc swing gear principle, commutation reversion, solves and backstitches a work feed wheel difficult problem in the past, roller sewing machine steadily can be backstitched thicker harder sewings such as leathers, reduce labor strength, improve sewing efficiency, reduce and make cost; Adopt unidirectional Bearing rotating mechanism simultaneously, make the work feed of roller sewing machine more safe and reliable, make sewing palpus smooth, stitching is attractive in appearance; Be applicable to the leather sewing of various thickness; Simultaneously, adopt eccentric lever principle, namely eccentric shaft coordinates unidirectional Bearing rotating mechanism to control the clutch of presser feet gear, and what it is such that it can be reliable and stable is out of gear presser feet or engages, presser feet gear can be coordinated with cloth pressing wheel smoothly, thus ensure that it steadily backstitches.
Claims (10)
1. one kind can the roller sewing machine that backstitches of efficient stable, comprise head and middle holder structure, described head comprises handpiece case and is arranged on the first electromagnet, the first magnet steel axle and the first unidirectional Bearing rotating mechanism in handpiece case, described middle holder structure comprises base plate, the middle seat be arranged on base plate, be arranged on gear drive on middle seat and the be connected gear drive second unidirectional Bearing rotating mechanism, it is characterized in that:
Be connected by an eccentric shaft structure between described first electromagnet with the first unidirectional Bearing rotating mechanism;
Described first unidirectional Bearing rotating mechanism comprises the first unidirectional Bearing axle, unidirectional bearing seat, and described first unidirectional Bearing axle upper end is provided with Bearing axle bearing;
Described eccentric shaft structure comprises eccentric shaft, eccentric shaft locating piece and eccentric shaft contiguous block, and described eccentric shaft one end is connected with Bearing axle bearing, and the eccentric shaft other end is connected with the first magnet steel axle by eccentric shaft contiguous block;
The through hole of the unidirectional Bearing axle of cooperation first is provided with bottom described handpiece case;
Described gear drive comprises driven wheel, rotates forward the gear shaft of gear, counter gear and connection main story gear and counter gear;
Described second unidirectional Bearing rotating mechanism comprises the second unidirectional Bearing axle, Bearing axle holder, and described Bearing axle holder side is provided with the second connecting rod and the second electromagnet that promote the swing of Bearing holder;
Described driven wheel is fixed on bottom the second unidirectional Bearing axle, and described Bearing axle holder swings fixed axis swing by one and is connected on base plate; Described second electromagnet is fixed on base plate side by an electromagnet fixed mount, and described second connecting rod one end connects the second electromagnet by one second magnet steel axle, and the second connecting rod other end connects Bearing axle holder side.
2. according to claim 1 a kind of can the roller sewing machine that backstitches of efficient stable, it is characterized in that: described Bearing axle bearing upper end is provided with slide plate, and described handpiece case is provided with limited block, in described limited block, be provided with the chute coordinating slide plate.
3. according to claim 1 a kind of can the roller sewing machine that backstitches of efficient stable, it is characterized in that: described eccentric shaft contiguous block comprises an axle sleeve and is fixed on the first connecting rod of axle sleeve one end, the described axle sleeve other end connects eccentric shaft, and described first connecting rod is connected with the first magnet steel axle by a pull bar.
4. according to claim 2 a kind of can the roller sewing machine that backstitches of efficient stable, it is characterized in that: described limited block upper end is fixed on handpiece case by a connecting piece and trip bolt.
5. according to claim 1 a kind of can the roller sewing machine that backstitches of efficient stable, it is characterized in that: described gear shaft two ends are provided with clutch shaft bearing, described middle seat is provided with and coordinates the bearing holder (housing, cover) of clutch shaft bearing and the elongated slot of cooperating teeth wheel shaft.
6. according to claim 1 a kind of can the roller sewing machine that backstitches of efficient stable, it is characterized in that: described base plate is provided with holder, described Bearing axle holder is connected with holder by swinging fixed axis, be fixed on holder bottom described swing fixed axis, described Bearing axle holder is rotatably connected on and swings on fixed axis.
7. according to claim 6 a kind of can the roller sewing machine that backstitches of efficient stable, it is characterized in that: described holder is provided with the swing limit base of restriction Bearing axle holder pendulum angle, described swing limit base two ends are provided with positive stop, the height of described positive stop is higher than the height of holder, and the height of positive stop is lower than the height of Bearing axle holder.
8. according to claim 6 a kind of can the roller sewing machine that backstitches of efficient stable, it is characterized in that: described swing fixed axis top is provided with two the second bearings, be provided with bearing spacer sleeve between two the second bearings, the top swinging fixed axis is also provided with the end ring of cooperation second bearing.
9. according to claim 1 a kind of can the roller sewing machine that backstitches of efficient stable, it is characterized in that: described base plate both sides are provided with right baffle-plate and right baffle plate, left fixed station is provided with inside described right baffle-plate, right fixed station is provided with inside described right baffle plate, described electromagnet fixed mount comprises horizontal construction section, vertically supporting section and horizontal support section, and described electromagnet is fixed in horizontal support section.
10. according to claim 9 a kind of can the roller sewing machine that backstitches of efficient stable, it is characterized in that: described horizontal construction section is fixed on left fixed station or on right fixed station by trip bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520732704.8U CN205062381U (en) | 2015-09-22 | 2015-09-22 | Can high -efficiently stabilize roller trolley of backstitch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520732704.8U CN205062381U (en) | 2015-09-22 | 2015-09-22 | Can high -efficiently stabilize roller trolley of backstitch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205062381U true CN205062381U (en) | 2016-03-02 |
Family
ID=55388961
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520732704.8U Expired - Fee Related CN205062381U (en) | 2015-09-22 | 2015-09-22 | Can high -efficiently stabilize roller trolley of backstitch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205062381U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105113132A (en) * | 2015-09-22 | 2015-12-02 | 缙云县帅马针车有限公司 | Roller machine capable of efficiently and stably achieving backstitching |
-
2015
- 2015-09-22 CN CN201520732704.8U patent/CN205062381U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105113132A (en) * | 2015-09-22 | 2015-12-02 | 缙云县帅马针车有限公司 | Roller machine capable of efficiently and stably achieving backstitching |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| 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: 20160302 Termination date: 20190922 |