CN201006935Y - Electric machine directly driving flat-seamer - Google Patents
Electric machine directly driving flat-seamer Download PDFInfo
- Publication number
- CN201006935Y CN201006935Y CNU2007200009317U CN200720000931U CN201006935Y CN 201006935 Y CN201006935 Y CN 201006935Y CN U2007200009317 U CNU2007200009317 U CN U2007200009317U CN 200720000931 U CN200720000931 U CN 200720000931U CN 201006935 Y CN201006935 Y CN 201006935Y
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- shaft
- main shaft
- coupling
- motor
- nodal axisn
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Abstract
The utility model relates to a motor-directly-driven butend seam machine, which comprises a shell with an inner cavity, a main shaft arranged in the inner cavity of the shell, an upper shaft back joint cooperating and interlocking with the main shaft, a main shaft front joint connected with the main shaft, an upper shaft front joint coaxially connected with the upper shaft back joint, a feeding mechanism, a thread take-off mechanism, a needle driving bar mechanism and a needle stretching mechanism, wherein the main shaft front joint cooperates with the feeding mechanism and the thread take-off mechanism, the upper shaft front joint cooperates with the needle driving bar mechanism and the needle stretching mechanism. The utility model also comprises a motor, the output shaft of which is coaxially connected with the main shaft or the upper shaft back joint by a directly-driven clutch. The utility model uses the directly-driven clutch to coaxially connect the shaft of the motor with the main shaft, the directly-driven clutch and a synchronous gear band or an oil pump worm are designed into an integral structure, and thereby inner space is saved, the quantity of elements is decreased, the vibration of the machine in operation is reduced, noise is decreased and the service life is prolonged.
Description
Technical field
The utility model relates to a kind of flat seaming machine, particularly the electric-machine directly-driven flat seaming machine by motor direct-drive work.
Background technology
The mode of existing flat seaming machine driving main shaft adopts electric machine external as shown in Figure 1 and Figure 2: bottom establishes a motor 6 at Sewing machines seam platform, dispose the main shaft belt wheel in the main shaft back, connect by V-belt between the two, thereby when motor rotation, drive main shaft through V-belt and and then rotate.Its shortcoming is as follows: it is more that (1) structure is formed parts, complex structure, when assembling, remove needs to bit correction, the situation that also exists the V-belt that sets between two parties to rupture because of wearing and tearing, and need often to adjust or replacing; (2) existing with the huge heaviness of the motor volume of V-belt transmission, institute takes up space bigger, and by the V-belt transmission, transmission efficiency is on the low side, and power consumption is big, and when work, the noise of flat seaming machine, vibrations are greatly; Be difficult for when (3) assembling V-belt is installed or is detached on two belt pulleys, and after V-belt is installed on belt pulley, when the adjustment of V-belt elasticity is not good, will cause motor to move by smooth and easy transmission flat seaming machine, cause flat seaming machine internal mechanical, belt, electrical fault or damage easily.
The existing Sewing machines that the electric-machine directly-driven main shaft is also arranged on the market, motor output shaft is connected with main shaft, but it is simple in structure, when connecting, require very high to the output shaft of motor and the aligning accuracy of main shaft, and when rotating, shaft coupling has higher friction, machine does not have damping, buffering when starting or cutting out effect.
In addition, synchronizing jugged belt wheel and shaft coupling that existing flat seaming machine is installed on main shaft are two independently parts, need be installed on the main shaft respectively.Equally, oil pump worm screw and shaft coupling that existing flat seaming machine is installed on main shaft also are two independently parts, also need independent installation, have so not only taken the space, also make the internal structure of flat seaming machine more complicated.
The utility model content
In order to overcome above-mentioned deficiency of the prior art, the utility model provides a kind of electric-machine directly-driven flat seaming machine, adopt and directly to drive shaft coupling with motor output shaft and main shaft or go up axle afterwards nodal axisn is coaxial and be connected, and will directly drive shaft coupling and synchronizing jugged belt wheel or oil pump worm screw and be designed to integrative-structure.
The main technical schemes that the utility model adopted is: the electric-machine directly-driven flat seaming machine, comprise that one has the housing of inner chamber, be positioned at the main shaft of described housing inner chamber, a back nodal axisn of going up that cooperates interlock with described main shaft, with nodal axisn before the coaxial main shaft that is connected of described main shaft, with the coaxial preceding nodal axisn of upward axle that is connected of described upward axle back nodal axisn, also comprise feed mechanism, hook line mechanism, the needle bar mechanism and the pin mechanism of stretching tight, nodal axisn and feed mechanism before the described main shaft, hook line mechanism matches, described preceding nodal axisn of axle and the needle bar mechanism gone up, the pin mechanism of stretching tight matches, also comprise a motor, shaft coupling is coaxial to be connected the output shaft of described motor by drive always between the nodal axisn with main shaft or after going up axle, the described shaft coupling that directly drives is a flexible coupling, comprise a motor connecting shaft spare, one connecting shaft spare rubber cushion, with a connecting shaft spare, described motor connecting shaft spare, connecting shaft spare rubber cushion, interconnect the described flexible coupling of composition successively with connecting shaft spare, described motor connecting shaft spare is connected with described motor output shaft, and nodal axisn is connected described connecting shaft spare with described main shaft or after going up axle.
The utility model also adopts following attached technical scheme: described motor is connected with described housing;
Described motor is installed in the described housing, or is installed on outside the described housing;
Described flexible coupling matches with a bearing, and described bearing comprises bearing outer ring, is placed in the described bearing after ball and bearing cone, described connecting shaft spare fasten with connecting shaft spare rubber cushion and motor connecting shaft spare to fit with described bearing cone;
One end of described main shaft connecting shaft spare is prolonged radial direction and is extended the annulus baffle plate of a diameter greater than described bearing cone, and the described shaft coupling that directly drives is placed in the described bearing, and described annulus baffle plate relies on the outer wall of described bearing;
The described shaft coupling that directly drives is a rigidity coupling band, described rigidity coupling band is the hollow circular cylinder of internal diameter greater than motor output shaft and main shaft or last axle deutomerite shaft diameter, on described coupling band body, have the through hole that is used to insert pin, described motor output shaft and main shaft or go up an axle back nodal axisn and stretch into respectively in the described coupling band, and have on its axle separately with described coupling band on the corresponding bayonet socket of through hole;
Described going up on the nodal axisn of axle back is equipped with synchronizing jugged belt wheel, have and the corresponding gear of described synchronizing jugged belt wheel on the described outer circumference surface that directly drives shaft coupling, at described synchronizing jugged belt wheel with directly drive and be provided with synchronous cog belt on the shaft coupling, described synchronous cog belt is respectively with synchronizing jugged belt wheel with directly drive the shaft coupling device and be meshed;
Comprise an oil pump assembly in the described housing, described oil pump assembly comprises an oil pump turbine, is socketed on the oil pump shaft on the described oil pump turbine, has the worm screw external screw thread on the described outer circumference surface that directly drives shaft coupling, matches with described oil pump turbine;
Described motor is installed in the described housing, or is installed on outside the described housing.
Adopt the beneficial effect that the utility model brought: (1) the utility model adopts and directly drives shaft coupling and be connected motor shaft and main shaft are coaxial, saved the inner space, improved operating efficiency simultaneously, the vibrations of machine reduce during work, noise reduces, and prolong service life.(2) shaft coupling that directly drives in the utility model adopts flexible coupling, and the displacement difference when the coupling piece rubber cushion in the flexible coupling can compensate the diaxon assembling reduces the accurate centering requirement that shaft coupling is installed, and promptly reduces the axiality requirement in each hole of sewing machine base; Also have the effect of damping, buffering, be particularly suitable for the situation that flat seaming machine need often start, stop; And flexible coupling and the rear bearing structure that is designed to link into an integrated entity, play the effect of main shaft rear fulcrum, thereby save volume inside greatly, make the installation of motor, easy to maintenance.(3) directly drive the structure that shaft coupling has synchronizing jugged belt wheel, make that directly drive shaft coupling can be used as synchronizing jugged belt wheel lower whorl simultaneously again, connect and the combining of Synchronous Transmission function, drive by synchronous cog belt and go up axle rotation on year-on-year basis thereby realize directly driving, realize the motion of complete machine, saved the space.(4) directly driving design oil pump worm structure on the shaft coupling, make and directly drive the function that shaft coupling has the oil pump worm screw simultaneously, and do not need to establish in addition again the worm screw accessory, save the base inner space.
Figure of description
The overall schematic that Fig. 1 is connected with the V-belt wheel kind of drive for existing flat seaming machine motor and main shaft.
Fig. 2 is through-drive structure chart about the existing flat seaming machine inside.
Fig. 3 is among the utility model first embodiment, the overall schematic of flat seaming machine and motor combination.
Fig. 4 is that motor output shaft and main shaft pass through flexible coupling among the utility model first embodiment
The partial sectional view of coaxial connection.
Fig. 5 be Fig. 4 A-A to view, the structure of flexible coupling assembly, bearing is shown.
Fig. 6 is among the utility model first embodiment, the three-dimensional installation diagram that direct driving motor and main shaft are connected by flexible coupling;
Fig. 7 is among the utility model second embodiment, and motor output shaft and last axle back nodal axisn are by the coaxial partial sectional view that is connected of flexible coupling;
Fig. 8 is among the utility model the 3rd embodiment, and motor output shaft and last axle back nodal axisn are by the coaxial partial sectional view that is connected of rigidity coupling band;
Fig. 9 is among the utility model the 4th embodiment, and rigidity coupling band and last axle back nodal axisn illustrate the gear structure on rigidity coupling band and the synchronizing jugged belt wheel outer circumference surface by the axial arrangement schematic diagram that synchronizing jugged belt wheel is connected;
Figure 10 is among the utility model the 5th embodiment, and the cutaway view of rigidity coupling band illustrates the oil pump worm structure on the rigidity coupling band outer circumference surface;
Figure 11 is among the 5th embodiment, oil pump component internal structure cutaway view;
Figure 12 is among the 5th embodiment, has the flat seaming machine internal structure cutaway view of oil pump assembly;
Figure 13 is the structural representation of flat seaming machine internal needle linkage;
Figure 14 is the stretch tight structural representation of pin mechanism of flat seaming machine inside;
Figure 15 is the structural representation of the inner feed mechanism of flat seaming machine;
Figure 16 is the structural representation of the inner bending needing mechanism of flat seaming machine;
The specific embodiment
Below in conjunction with accompanying drawing the utility model is done further detailed description:
As Fig. 1 to electric-machine directly-driven flat seaming machine shown in Figure 16, comprise that one has the housing 1 of inner chamber, be positioned at the main shaft 2 of housing 1 inner chamber, a back nodal axisn 4 of going up that cooperates interlock with main shaft 2, with nodal axisn 3 before the main shaft 2 coaxial main shafts that are connected, with a nodal axisn 5 before the last axle back nodal axisn 4 coaxial upward axles that are connected, also comprise feed mechanism, hook line mechanism, the needle bar mechanism and the pin mechanism of stretching tight, nodal axisn 3 and feed mechanism before the main shaft, hook line mechanism matches, nodal axisn 5 and needle bar mechanism before the last axle, the pin mechanism of stretching tight matches, also comprise a motor 6, the output shaft 61 of motor 6 and main shaft 2 or go up between the nodal axisn 4 of axle back by drive 7 coaxial connections of shaft coupling always.
As Fig. 3, Fig. 4, Fig. 5, shown in Figure 6, be first specific embodiment of the present utility model.Motor 6 is connected with housing 1, and motor output shaft 61 and main shaft 2 be by 7 coaxial connections of flexible coupling, afterwards main shaft 2 by the synchronizing jugged belt wheel on synchronizing jugged belt wheel 21 and the last axle back nodal axisn 4 by synchronous cog belt transmission on year-on-year basis.Flexible coupling 7 comprises a motor connecting shaft spare 71, an one connecting shaft spare rubber cushion 72 and a connecting shaft spare 73, motor connecting shaft spare 71, connecting shaft spare rubber cushion 72 and connecting shaft spare 73 interconnect the composition flexible coupling successively, motor connecting shaft spare 71 is connected with motor output shaft 61, and connecting shaft spare 73 is connected with main shaft 2.Flexible coupling 7 matches with a bearing 8, and bearing 8 comprises bearing outer ring 81, is placed in the bearing 8 after ball 82 and bearing cone 83, connecting shaft spare 73 fasten with connecting shaft spare rubber cushion 72 and motor connecting shaft spare 71 to fit with bearing cone 81.One end of main shaft connecting shaft spare 73 is prolonged radial direction and is extended the annulus baffle plate of a diameter greater than bearing cone 83, and flexible coupling is placed in the bearing 8, and the annulus baffle plate relies on the outer wall of bearing 8.
As shown in Figure 7, be second specific embodiment of the present utility model: flexible coupling 7 is with motor output shaft 61 and last axle back 4 coaxial connections of nodal axisn.
As shown in Figure 8, be the 3rd specific embodiment of the present utility model: directly drive shaft coupling 7 and be the rigidity coupling band.The rigidity coupling band is the hollow circular cylinder of internal diameter greater than motor output shaft 61, main shaft 2, last axle back nodal axisn 4 diameters, on the coupling band body, have the through hole that is used to insert pin, motor output shaft 61 stretches in the coupling band respectively with last axle back nodal axisn 4, and have on its axle separately with coupling band on the corresponding bayonet socket of through hole.Pin penetrates through hole, and leading section is positioned at bayonet socket and engaging mutually.Certainly, the rigidity coupling band in this specific embodiment also can be transmitted motor output shaft 61 and 2 coaxial connections of main shaft to rotate by main shaft 2 and give last axle back nodal axisn 4 more synchronously.
As shown in Figure 9, be the 4th specific embodiment of the present utility model: positive coupling is with main shaft 2 and 61 coaxial connections of motor output shaft.On the nodal axisn 4 of last axle back, synchronizing jugged belt wheel 51 is installed, have on the outer circumference surface of positive coupling 7 and synchronizing jugged belt wheel 51 corresponding gears, be provided with synchronous cog belt 52 on synchronizing jugged belt wheel 51 and positive coupling 7, synchronous cog belt 52 is respectively with synchronizing jugged belt wheel 51 with directly drive shaft coupling device 7 and be meshed.By synchronous cog belt 52, give last axle back nodal axisn 4 with 1: 1 ratio transmissions with the rotation on the main shaft 2.Reach the purpose that the synchronizing jugged belt wheel that will have now in the flat seaming machine and two independent parts of positive coupling unite two into one, simplified the structure, saved the inner space.Certainly, positive coupling also can be connected motor output shaft 61 with last axle back nodal axisn 4, the synchronizing jugged belt wheel that is arranged on the back nodal axisn 4 is arranged on the main shaft, also can finish above-mentioned technical scheme.
As Figure 10, Figure 11, shown in Figure 12, be the 5th specific embodiment of the present utility model.Positive coupling 7 is with main shaft 2 and 61 coaxial connections of motor output shaft.Include an oil pump assembly 48 in the housing of flat seaming machine, food tray 49 and lubricating oil 50.As shown in figure 11, oil pump assembly 48 comprises an oil return flowline 481, and oil pump turbine 482 is socketed on the oil pump shaft 484 on the oil pump turbine 482, oil pump worm screw 483.Have the worm screw external screw thread on the outer circumference surface of positive coupling 7, match, change the axial rotation of main shaft 2 the radially rotation of oil pump turbine 482 into, rotate, make oil pump assembly operate as normal thereby drive oil pump shaft with oil pump turbine 482.Make positive coupling 7 have the function of oil pump worm screw simultaneously, and do not need to establish in addition again the worm screw accessory, save the base inner space.
In above-mentioned first to the 5th embodiment, motor 6 can be installed in the housing 1, also can be installed on outside the housing 1.Nodal axisn 3 is by directly driving 7 coaxial connections of shaft coupling before main shaft 2 and the main shaft, and last axle back nodal axisn 4 and last preceding nodal axisn 5 are by directly driving 7 coaxial connections of shaft coupling.
Because the internal structure complexity of flat seaming machine is meticulous, understand the technical solution of the utility model for the ease of the auditor, also can implement according to the explanation of this specification for the ease of the prior art personnel, at the needle bar mechanism of Figure of description part with flat seaming machine inside, the pin mechanism of stretching tight, feed mechanism, the structural representation of bending needing mechanism provides.And each component names among the figure listed.Because the composition and the operation principle of above-mentioned each mechanism all belong to existing mature technology, no longer do with regard to each working process of mechanism here and give unnecessary details.
Needle bar mechanism shown in Figure 13: 5. go up a preceding nodal axisn, 9. needle bar crank, 10. shank slide block guide rail, 11. shank connecting rods, 12. shank joint pins, 13. shanks, 14. pins folder, 15. eedles;
The pin mechanism of stretching tight shown in Figure 14: 5. go up a preceding nodal axisn, 16. pin eccentric wheel, 17. connecting rod of eccentric wheel, 18. pin that stretches tight that stretches tight and adjust crank, 19. needle shaft, 20. needle shaft connecting rod, 22. pin joint pin, 23. pin crank axle, 24. pin crank axle sleeve, 25. pin wobble crank, 26. pin that stretches tight that stretches tight that stretches tight that stretches tight that stretches tight that stretches tight that stretches tight;
Feed mechanism shown in Figure 15: 3. nodal axisn, 27. differential teeth, 28. feeding teeth, 29. feeding retainers, 30. differential retainers, 31. are opened needle cam assembly, 32. and are adjusted retainer axle, 33. feeding retainer cam pins, 34. feed spools, 35. feeding retainer connecting rods, 36. feeding retainers adjusting crank before the main shaft;
Bending needing mechanism shown in Figure 16: 3. crank, 42. looper swing cranks, 43. curved needle shafts, 44. wobble crank slide block blocks, 45. loopers swing crank, 46. loopers, 47. curved needle cranks are adjusted in nodal axisn, 37. looper swing eccentric wheels, 38. looper swing connecting rods, 39. looper ball links, 40. looper swinging axles, 41. looper swings before the main shaft.
Claims (9)
1. electric-machine directly-driven flat seaming machine, comprise that one has the housing (1) of inner chamber, be positioned at the main shaft (2) of described housing (1) inner chamber, a back nodal axisn (4) of going up that cooperates interlock with described main shaft (2), with nodal axisn (3) before the coaxial main shaft that is connected of described main shaft (2), with the coaxial preceding nodal axisn (5) of upward axle that is connected of described upward axle back nodal axisn (4), also comprise feed mechanism, hook line mechanism, the needle bar mechanism and the pin mechanism of stretching tight, nodal axisn (3) and feed mechanism before the described main shaft, hook line mechanism matches, described preceding nodal axisn (5) of axle and the needle bar mechanism gone up, the pin mechanism of stretching tight matches, also comprise a motor (6), the output shaft (61) of described motor (6) and main shaft (2) or go up between the axle back nodal axisn (4) by drive coaxial connection of shaft coupling (7) always, it is characterized in that: the described shaft coupling (7) that directly drives is a flexible coupling, comprise a motor connecting shaft spare (71), one connecting shaft spare rubber cushion (72), with a connecting shaft spare (73), described motor connecting shaft spare (71), connecting shaft spare rubber cushion (72), interconnect the described flexible coupling of composition successively with connecting shaft spare (73), described motor connecting shaft spare (71) is connected with described motor output shaft (61), and nodal axisn (4) is connected described connecting shaft spare (73) with described main shaft (2) or after going up axle.
2. flat seaming machine according to claim 1 is characterized in that: described motor (6) is connected with described housing (1).
3. flat seaming machine according to claim 1 and 2 is characterized in that: described motor (6) is installed in the described housing (1), or is installed on outside the described housing (1).
4. flat seaming machine according to claim 1, it is characterized in that: described flexible coupling matches with a bearing (8), described bearing (8) comprises bearing outer ring (81), be placed in the described bearing (8) after ball (82) and bearing cone (83), described connecting shaft spare (73) fasten with connecting shaft spare rubber cushion (72) and motor connecting shaft spare (71) and fit with described bearing cone (81).
5. flat seaming machine according to claim 1, it is characterized in that: an end of described main shaft connecting shaft spare (73) is prolonged radial direction and is extended the annulus baffle plate of a diameter greater than described bearing cone (83), the described shaft coupling that directly drives is placed in the described bearing (8), and described annulus baffle plate relies on the outer wall of described bearing (8).
6. flat seaming machine according to claim 1, it is characterized in that: the described shaft coupling (7) that directly drives is a rigidity coupling band, described rigidity coupling band is the hollow circular cylinder of internal diameter greater than motor output shaft (61) and main shaft (2) or last axle back nodal axisn (4) diameter, on described coupling band body, have the through hole that is used to insert pin, described motor output shaft (61) and main shaft (2) or go up an axle back nodal axisn (4) and stretch into respectively in the described coupling band, and have on its body separately with described coupling band on the corresponding pin-and-hole of through hole.
7. flat seaming machine according to claim 6, it is characterized in that: described going up on the axle back nodal axisn (4) is equipped with synchronizing jugged belt wheel (51), have and the corresponding gear of described synchronizing jugged belt wheel (51) on the described outer circumference surface that directly drives shaft coupling (7), at described synchronizing jugged belt wheel (51) with directly drive and be provided with synchronous cog belt (52) on the shaft coupling (7), described synchronous cog belt (52) is respectively with synchronizing jugged belt wheel (51) with directly drive shaft coupling device (7) and be meshed.
8. flat seaming machine according to claim 6, it is characterized in that: comprise an oil pump assembly (48) in the described housing, described oil pump assembly (48) comprises an oil pump worm gear (482), be socketed on the oil pump shaft (484) on the described oil pump worm gear (482), have the worm screw external screw thread on the described outer circumference surface that directly drives shaft coupling (7), match with described oil pump worm gear (482).
9. according to claim 6 or 7 described flat seaming machines, it is characterized in that: described motor (6) is installed in the described housing (1), or is installed on outside the described housing (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200009317U CN201006935Y (en) | 2007-01-17 | 2007-01-17 | Electric machine directly driving flat-seamer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200009317U CN201006935Y (en) | 2007-01-17 | 2007-01-17 | Electric machine directly driving flat-seamer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201006935Y true CN201006935Y (en) | 2008-01-16 |
Family
ID=39002880
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200009317U Expired - Fee Related CN201006935Y (en) | 2007-01-17 | 2007-01-17 | Electric machine directly driving flat-seamer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201006935Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103835078A (en) * | 2014-03-27 | 2014-06-04 | 新杰克缝纫机股份有限公司 | Flat seaming machine |
| CN115478371A (en) * | 2021-06-16 | 2022-12-16 | 杰克科技股份有限公司 | Trimming oil supply device and sewing machine |
-
2007
- 2007-01-17 CN CNU2007200009317U patent/CN201006935Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103835078A (en) * | 2014-03-27 | 2014-06-04 | 新杰克缝纫机股份有限公司 | Flat seaming machine |
| CN115478371A (en) * | 2021-06-16 | 2022-12-16 | 杰克科技股份有限公司 | Trimming oil supply device and sewing machine |
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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 |
Granted publication date: 20080116 Termination date: 20150117 |
|
| EXPY | Termination of patent right or utility model |