CN109943984B - Template sewing machine - Google Patents
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- CN109943984B CN109943984B CN201910385541.3A CN201910385541A CN109943984B CN 109943984 B CN109943984 B CN 109943984B CN 201910385541 A CN201910385541 A CN 201910385541A CN 109943984 B CN109943984 B CN 109943984B
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- 238000009958 sewing Methods 0.000 title claims abstract description 31
- 230000001360 synchronised effect Effects 0.000 claims abstract description 120
- 230000007246 mechanism Effects 0.000 claims abstract description 28
- 230000005540 biological transmission Effects 0.000 claims description 8
- 230000009471 action Effects 0.000 claims description 3
- 230000000903 blocking effect Effects 0.000 claims 2
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- 238000000429 assembly Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000001276 controlling effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
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Abstract
The invention belongs to the technical field of sewing equipment, in particular to a template sewing machine; the machine head assembly is fixedly connected with the upper rotating shaft, the upper rotating shaft is rotationally connected in the upper box body, the rotating shuttle assembly is fixedly connected with the lower rotating shaft, the upper rotating shaft and the lower rotating shaft are respectively connected with the vertical shaft through an upper synchronous belt and a lower synchronous belt, the vertical shaft is driven to rotate by a motor, tensioning mechanisms are respectively arranged on one side or two sides of the upper synchronous belt, the upper box body is connected to a fixed plate in a sliding mode, the fixed plate is fixedly arranged at the left end part of the cantilever part, lifting cylinders are arranged on the fixed plate, when the lifting cylinders drive the machine head assembly to move upwards, the tensioning mechanisms release tensioning of the upper synchronous belt, one end of the upper synchronous belt moves upwards along with the machine head assembly, and when the lifting cylinders drive the machine head assembly to move downwards for resetting, the tensioning mechanisms tension the upper synchronous belt; the invention controls the tightness of the upper synchronous belt to match with the lifting of the machine head assembly through the tensioning mechanism, and has simple and convenient operation.
Description
Technical field:
the invention belongs to the technical field of sewing equipment, in particular to a template sewing machine.
The background technology is as follows:
the template sewing machine refers to a sewing device which is practically applied by combining a clothing template technology. Template sewing machines generally include a head assembly and a rotating shuttle assembly. The machine head assembly is arranged on the machine shell, and the rotating shuttle assembly is arranged on the base. During sewing, the head assembly and the rotating shuttle assembly often need to be rotated. Most of the existing machine head assemblies and rotating shuttle assemblies are driven to rotate through independent driving mechanisms.
The invention comprises the following steps:
the invention aims to provide a template sewing machine which can realize synchronous rotation of a machine head assembly and a rotating shuttle assembly driven by the same synchronous belt transmission mechanism and solve the lifting problem of the machine head assembly.
The invention is realized in the following way:
the utility model provides a template sewing machine, includes casing, base, aircraft nose assembly, rotating shuttle subassembly, the casing includes stand portion and cantilever portion, aircraft nose assembly and last pivot fixed connection, go up the pivot and rotate and connect in last box, rotating shuttle subassembly and lower pivot fixed connection, go up pivot, lower pivot respectively through last hold-in range, lower hold-in range and vertical hub connection, the vertical hub directly or indirectly is driven by motor drive and is rotated and drive rotating shuttle subassembly, aircraft nose assembly synchronous rotation, is provided with the straining device who carries out tensioning to last hold-in range respectively on one side or both sides of last hold-in range, last box sliding connection is on the fixed plate, and the fixed plate sets firmly the left end portion at the cantilever portion, is provided with the lift cylinder on the fixed plate, and the piston rod and the last box of lift cylinder are connected, and when the lift cylinder drives aircraft nose assembly upward movement, straining device releases the tensioning to last hold-in range, and upward moves along with the aircraft nose assembly together, and resets when the lift cylinder drives the aircraft nose assembly downward movement back, straining device carries out tensioning to last hold-in range.
In the above-mentioned template sewing machine, tensioning mechanism is including setting up the tensioning cylinder in last hold-in range outside, tensioning cylinder sets up on the cylinder mounting panel, the cylinder mounting panel is connected with the inner wall fixed of the corresponding part of casing, the outer end of the piston rod at tensioning cylinder is provided with the slip guide block, the side that the slip guide block is adjacent with last hold-in range is provided with the inclined plane, the one end corresponding with the outer end of piston rod is provided with the regulation mounting panel on the cylinder mounting panel, be provided with the pivot on the regulation mounting panel, be provided with upper roller mounting panel respectively at the upper and lower both ends of pivot, lower roller mounting panel, be provided with the tensioning gyro wheel and the guide roller of axis perpendicular to upper roller mounting panel, lower roller mounting panel between upper roller mounting panel, upper roller mounting panel and/or lower roller mounting panel pass through reset spring with the cylinder mounting panel and be connected, the piston rod of tensioning cylinder outwards stretches out, the guide roller rolls along the inclined plane and drives upper roller mounting panel, lower roller mounting panel rolls upward the hold-in range one side of hold-in range, the piston rod of tensioning is inwards contracted to drive tensioning gyro wheel, under reset spring's effect, drive tensioning gyro wheel leaves upper hold-in range tensioning.
In the template sewing machine, the upper plane of the upper roller mounting plate is provided with the upper retaining sleeve, and the upper retaining sleeve and the tensioning roller are coaxially arranged.
In the template sewing machine, a first guide rail is arranged on the inner wall of the cylinder mounting plate along the extension and retraction direction of the piston rod of the tensioning cylinder, and the sliding guide block is arranged on the first guide rail and moves back and forth along the first guide rail.
In the above-mentioned template sewing machine, the upper box body sliding connection is on the fixed plate: the upper box body is fixedly provided with a sliding block on the side surface opposite to the fixed plate, a second guide rail is arranged on the fixed plate along the up-down direction, and the upper box body is arranged on the second guide rail in a sliding manner through the sliding block and is in sliding connection with the fixed plate.
In the above-mentioned template sewing machine, be provided with synchronous pulley one on the last pivot in the last box, the vertical axis sets up in stand portion and upper and lower both ends stretch into cantilever portion and base below respectively, and the upper end of vertical axis is provided with synchronous pulley two, the lower extreme is provided with synchronous pulley three, is provided with synchronous pulley four in the lower pivot, between synchronous pulley one and the synchronous pulley two, synchronous pulley three and synchronous pulley four are connected through last hold-in range, lower hold-in range transmission respectively.
In the above-mentioned template sewing machine, the upper and lower ends of the first synchronous pulley are respectively extended outwards to form a limit protruding edge, and the distance between the limit protruding edges is slightly larger than the width of the upper synchronous belt so that the upper synchronous belt can synchronously lift along with the synchronous pulley.
In the template sewing machine, the vertical shaft is indirectly driven by a motor: the vertical shaft is provided with a synchronous pulley V, the rotating shaft of the motor is provided with a synchronous pulley V, the synchronous pulley V is in transmission connection with the synchronous pulley V through a synchronous belt, and the diameter of the synchronous pulley V is larger than that of the synchronous pulley V.
In the above-mentioned template sewing machine, the lower extreme cover of going up the pivot is equipped with the adapter sleeve, is provided with the flange in the lower extreme of adapter sleeve, and the adapter sleeve passes through flange and aircraft nose assembly fixed connection, is provided with a plurality of open bar grooves on the adapter sleeve axially, and a plurality of open bar grooves distribute along circumference, is equipped with the adapter sleeve at the adapter sleeve overcoat, and the adapter sleeve is along radial locking and then makes adapter sleeve and last pivot fixed connection.
In the template sewing machine, the upper rotating shaft is rotatably connected in the upper box body through a bearing, and the lower end of the upper rotating shaft extends out of the upper box body.
Compared with the prior art, the invention has the outstanding advantages that:
1. according to the invention, the tightness degree of the upper synchronous belt is controlled by the tensioning mechanism to match with the lifting of the machine head assembly, the position of the upper synchronous belt is not required to be regulated again after the lifting, and the upper synchronous belt is only required to be tensioned again by the tensioning mechanism, so that the operation is simple and convenient;
2. the tensioning mechanism automatically realizes tensioning or releasing tensioning action by electric control, has high automation degree, does not need disassembly and assembly during switching, and is quick and convenient.
Description of the drawings:
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic view of the base of the present invention with the bottom plane of the base facing upward after the platen is removed;
FIG. 3 is a schematic view of the platen of the present invention when not installed;
FIG. 4 is a schematic view of the invention after the upper, lower and housing are disassembled based on FIG. 3;
FIG. 5 is a schematic view of the platen and cantilever portion of the present invention removed;
FIG. 6 is an enlarged schematic view of portion A of FIG. 5;
FIG. 7 is a schematic view of one embodiment of a tensioning mechanism of the present invention;
FIG. 8 is a schematic view of the motor mount of the present invention;
fig. 9 is a schematic view of the connection sleeve of the present invention;
fig. 10 is a schematic view of the fastening sleeve of the present invention.
In the figure: 1. a base; 2. a handpiece assembly; 3. a rotating shuttle assembly; 4. a column part; 5. a cantilever portion; 6. an upper rotating shaft; 7. an upper case; 8. a lower rotating shaft; 9. a lower box body; 10. a synchronous belt is arranged; 11. a lower synchronous belt; 12. a vertical axis; 13. a motor; 14. a synchronous pulley I; 15. a synchronous belt pulley II; 16. a synchronous pulley III; 17. a synchronous pulley IV; 18. a synchronous pulley V; 19. a synchronous pulley six; 20. a synchronous belt; 21. a motor mounting seat; 22. a column; 23. a flange portion; 24. an opening portion; 25. a fixing plate; 26. a lifting cylinder; 27. a tensioning cylinder; 28. a cylinder mounting plate; 29. sliding the guide block; 30. an inclined plane; 31. adjusting the mounting plate; 32. a rotating shaft; 33. an upper roller mounting plate; 34. a lower roller mounting plate; 35. tensioning rollers; 36. a guide roller; 37. a return spring; 38. an upper retaining sleeve; 39. a first guide rail; 40. a slide block; 41. a second guide rail; 42. connecting sleeves; 43. a flange; 44. an open-ended slot; 45. a fastening sleeve; 46. a vertical shaft mounting seat; 47. and a vertical shaft mounting plate.
The specific embodiment is as follows:
the invention is further described below with reference to the specific examples, see fig. 1-10:
the utility model provides a template sewing machine, includes casing, base 1, aircraft nose assembly 2, rotating shuttle subassembly 3, the casing includes stand portion 4 and cantilever portion 5, stand portion 4 and base 1 fixed connection, aircraft nose assembly 2 and last pivot 6 fixed connection go up pivot 6 and pass through the bearing and rotate and connect in last box 7, go up the lower extreme of pivot 6 and stretch out outside the box 7, rotating shuttle subassembly 3 and lower pivot 8 fixed connection, lower pivot 8 pass through the bearing and rotate and connect in lower box 9, and lower box 9 is fixed on the basal plane of base 1. The upper rotating shaft 6 and the lower rotating shaft 8 are respectively connected with a vertical shaft 12 through an upper synchronous belt 10 and a lower synchronous belt 11, and the vertical shaft 12 is directly or indirectly driven by a motor 13 to rotate so as to drive the rotating shuttle assembly 3 and the machine head assembly 2 to synchronously rotate. The upper rotating shaft 6 and the lower rotating shaft 8 in the embodiment may be a physical shaft or a revolving virtual shaft.
The upper rotating shaft 6 in the upper box body 7 is provided with a synchronous pulley I14, a vertical shaft 12 is arranged in the upright post part 4, the upper end and the lower end of the vertical shaft respectively extend into the cantilever part 5 and the lower part of the base 1, the upper end of the vertical shaft 12 is provided with a vertical shaft mounting seat 46, and the vertical shaft mounting seat 46 is fixedly connected with the cantilever part 5 through a vertical shaft mounting plate 47. The upper end of the vertical shaft 12 is provided with a synchronous pulley II 15, the synchronous pulley II 15 is arranged in a vertical shaft mounting seat 46, the lower end of the vertical shaft 12 extends out of the base 1, the lower end of the vertical shaft 12 is provided with a synchronous pulley III 16, the lower rotating shaft 8 is provided with a synchronous pulley IV 17, and the synchronous pulley III 16 and the synchronous pulley IV 17 are respectively in transmission connection through an upper synchronous belt 10 and a lower synchronous belt 11 between the synchronous pulley I14 and the synchronous pulley II 15.
When the vertical shaft 12 is directly driven to rotate by the motor 13, the motor 13 is a double-headed motor. The vertical shaft 12 is two broken shafts, and two ends of a rotating shaft of the motor 13 are connected with the broken shafts through couplings.
Whereas the vertical shaft 12 is driven indirectly by the motor 13: the vertical shaft 12 is provided with a synchronous pulley five 18, the rotating shaft of the motor 13 is provided with a synchronous pulley six 19, and the synchronous pulley six 19 is in transmission connection with the synchronous pulley five 18 through a synchronous belt 20. In this embodiment, the rotation speed of the vertical shaft 12 needs to be reduced, and the diameter of the fifth synchronous pulley 18 is larger than that of the sixth synchronous pulley 19. The specific ratio of the diameter of the synchronous pulley five 18 to the diameter of the synchronous pulley six 19 is set according to practical conditions.
The motor 13 is fixed on the upper plane of the base 1 through the motor mounting seat 21, and the main body of the motor 13 is positioned in the upright post part 4, and the rotating shaft of the motor 13 extends out of the base 1. The motor mount 21 includes a cylinder 22 with a center hole, a flange portion 23 for mounting is provided at an upper end of the cylinder 22, an opening portion 24 is provided on a side wall of the cylinder 22, a rotation shaft of the motor 13 is rotatably connected in the cylinder 22 through a bearing, and a timing pulley six 19 is provided in the center hole of the cylinder 22, and the lower timing belt 11 is provided through the opening portion 24. A retainer ring for axially limiting the bearing and the synchronous pulley six 19 is also arranged on the rotating shaft of the motor 13.
Since the synchronous belt is loosened after a period of transmission, the tensioning mechanisms for tensioning the upper synchronous belt 10 need to be respectively arranged on one side or two sides of the upper synchronous belt 10, and the tensioning mechanisms are preferably arranged on two sides and symmetrically. Similarly, the lower timing belt 11 of the present invention is also equipped with a tensioning mechanism.
The upper box body 7 is slidably connected to the fixed plate 25, the fixed plate 25 is fixedly arranged at the left end part of the cantilever part 5, the fixed plate 25 is provided with the lifting cylinder 26, a piston rod of the lifting cylinder 26 is connected with the upper box body 7, when the lifting cylinder 26 drives the machine head assembly 2 to move upwards, the tensioning mechanism releases the tensioning of the upper synchronous belt 10, at the moment, the upper synchronous belt 10 is in a loose state, one end of the upper synchronous belt 10 moves upwards along with the machine head assembly 2, and when the lifting cylinder 26 drives the machine head assembly 2 to move downwards for resetting, the tensioning mechanism tensions the upper synchronous belt 10.
In order to ensure that the upper synchronous belt 10 does not affect the work after moving up and down along with the first synchronous belt pulley 14, the upper and lower ends of the first synchronous belt pulley 14 are respectively extended outwards with limit convex edges, and the distance between the limit convex edges is slightly larger than the width of the upper synchronous belt 10 so that the upper synchronous belt 10 moves up and down along with the first synchronous belt pulley 14 synchronously.
The invention realizes the synchronous rotation of the machine head assembly 2 and the rotating shuttle assembly 3 by one power source. Since the machine is inoperative after the head assembly 2 is moved upward, the tensioning mechanism of the present invention releases the tension on the upper timing belt 10 as the head assembly 2 is raised. When the machine head assembly 2 descends and resets, the tensioning mechanism is used for tensioning the upper synchronous belt 10 again, and the machine is in a normal working state. The limitation of the synchronous belt to the lifting of the machine head assembly 2 is solved by controlling the tightness of the upper synchronous belt 10 through the tensioning mechanism, and the machine head assembly 2 is simple and convenient to operate.
The tensioning mechanism is connected with the electric control, and the action of the tensioning mechanism is controlled by the electric control.
Further, the tensioning mechanism comprises a tensioning cylinder 27 arranged outside the upper synchronous belt 10, the tensioning cylinder 27 is arranged on a cylinder mounting plate 28, the cylinder mounting plate 28 is fixedly connected with the inner wall of a corresponding part of the shell, a sliding guide block 29 is arranged at the outer end of a piston rod of the tensioning cylinder 27, an inclined surface 30 is arranged on the side surface adjacent to the upper synchronous belt 10, an adjusting mounting plate 31 is arranged at one end, corresponding to the outer end of the piston rod, of the cylinder mounting plate 28, a rotating shaft 32 is arranged on the adjusting mounting plate 31, an upper roller mounting plate 33 and a lower roller mounting plate 34 are respectively arranged at the upper end and the lower end of the rotating shaft 32, a tensioning roller 35 with an axis perpendicular to the upper roller mounting plate 33 and the lower roller mounting plate 34 and a guide roller 36 are arranged between the upper roller mounting plate 33 and the lower roller mounting plate 34, the upper roller mounting plate 33 or/and the lower roller mounting plate 34 are connected with the cylinder mounting plate 28 through a reset spring 37, the piston rod of the tensioning cylinder 27 extends outwards, the guide roller 36 rolls along the inclined surface 30 to drive the upper roller mounting plate 33 and the lower roller mounting plate 34 to roll towards one side of the upper synchronous belt 10 to tension the upper synchronous belt 10, the piston rod of the tensioning cylinder 27 inwards, and the reset spring 37 is driven by the reset spring 35 to drive the upper roller 35 or the lower roller 35 to move away from the upper synchronous belt 10 to deform and deform the upper synchronous belt 10.
In order to limit the up-and-down movement of the upper timing belt 10, an upper stop sleeve 38 is disposed on the upper plane of the upper roller mounting plate 33, and the upper stop sleeve 38 is disposed coaxially with the tension roller 35. Preferably, the upper stop collar 38 is provided with the same diameter as the tensioning roller 35.
In order to ensure that the positional relationship and movement of the components do not jam, a first guide rail 39 is disposed on the inner wall of the cylinder mounting plate 28 along the extension and retraction direction of the piston rod of the tensioning cylinder 27, and the sliding guide block 29 is disposed on the first guide rail 39 and moves reciprocally along the first guide rail 39.
The tensioning mechanism can also adopt the following structure: the tensioning motor is fixed at the corresponding part of the shell through the mounting seat. The rotating shaft of the tensioning motor is arranged upwards. A long strip plate is arranged on a rotating shaft of the tensioning motor, a tensioning roller is arranged at the outer end of the long strip plate, the axis of the tensioning roller is perpendicular to the long strip plate, and the tensioning motor drives the long strip plate to rotate towards the upper synchronous belt 10, so that the tensioning roller acts on the upper synchronous belt 10 to tension. When the tensioning is released, the tensioning motor reversely rotates to drive the tensioning roller to leave the upper synchronous belt 10.
Further, the upper case 7 is slidably connected to the fixing plate 25 by: the upper case 7 is fixedly provided with a slider 40 on a side surface opposite to the fixing plate 25, a second guide rail 41 is provided on the fixing plate 25 in the up-down direction, and the upper case 7 is slidably provided on the second guide rail 41 by the slider 40 to be slidably connected with the fixing plate 25.
The lower end of the upper rotating shaft 6 is sleeved with a connecting sleeve 42, the lower end of the connecting sleeve 42 is provided with a flange 43, the connecting sleeve 42 is fixedly connected with the machine head assembly 2 through the flange 43, a plurality of open strip-shaped grooves 44 are axially arranged on the connecting sleeve 42, the open strip-shaped grooves 44 are circumferentially distributed, a fastening sleeve 45 is sleeved outside the connecting sleeve 42, and the connecting sleeve 42 is radially locked by the fastening sleeve 45 so as to fixedly connect the connecting sleeve 42 with the upper rotating shaft 6. The fastening sleeve 45 is provided with a notch along the axial direction, a threaded hole is arranged at the break position close to the notch, and a screw is screwed in the threaded hole to tighten the notch so as to lock the fastening sleeve 45 and the connecting sleeve 42 along the radial direction.
The terms "upper", "lower", "left", "right", "middle" and "first", "second", "third" etc. are also used herein for descriptive purposes only and are not intended to limit the scope of the invention for which the invention may be practiced, but rather the relative relationship of the terms may be modified or adapted without substantial modification to the technical context.
The above embodiment is only one of the preferred embodiments of the present invention, and is not intended to limit the scope of the present invention, therefore: all equivalent changes in shape, structure and principle of the invention should be covered in the scope of protection of the invention.
Claims (9)
1. The utility model provides a template sewing machine, includes casing, base (1), aircraft nose assembly (2), rotating shuttle subassembly (3), the casing includes stand portion (4) and cantilever part (5), its characterized in that: the machine head assembly (2) is fixedly connected with the upper rotating shaft (6), the upper rotating shaft (6) is rotationally connected in the upper box body (7), the rotating shuttle assembly (3) is fixedly connected with the lower rotating shaft (8), the upper rotating shaft (6) and the lower rotating shaft (8) are respectively connected with the vertical shaft (12) through an upper synchronous belt (10) and a lower synchronous belt (11), the vertical shaft (12) is directly or indirectly driven by a motor (13) to rotate so as to drive the rotating shuttle assembly (3) and the machine head assembly (2) to synchronously rotate, tensioning mechanisms for tensioning the upper synchronous belt (10) are respectively arranged on one side or two sides of the upper synchronous belt (10), the upper box body (7) is slidingly connected on a fixed plate (25), the fixed plate (25) is fixedly arranged at the left end part of the cantilever part (5), a piston rod of the lifting cylinder (26) is connected with the upper box body (7), when the lifting cylinder (26) drives the machine head assembly (2) to move upwards, the tensioning mechanisms release the upper synchronous belt (10) and then drive the tensioning mechanisms (10) to move upwards along with the lifting cylinder (26) to move upwards, and the machine head assembly (2) moves upwards along with the tensioning mechanism;
the tensioning mechanism comprises a tensioning cylinder (27) arranged on the outer side of an upper synchronous belt (10), the tensioning cylinder (27) is arranged on a cylinder mounting plate (28), the cylinder mounting plate (28) is fixedly connected with the inner wall of a corresponding part of a machine shell, a sliding guide block (29) is arranged at the outer end of a piston rod of the tensioning cylinder (27), an inclined surface (30) is arranged on the side surface adjacent to the upper synchronous belt (10) of the sliding guide block (29), an adjusting mounting plate (31) is arranged at one end, corresponding to the outer end of the piston rod, of the cylinder mounting plate (28), a rotating shaft (32) is arranged on the adjusting mounting plate (31), an upper roller mounting plate (33) and a lower roller mounting plate (34) are respectively arranged at the upper end and the lower end of the rotating shaft (32), a tensioning roller (35) and a guide roller (36) with the axis vertical to the upper roller mounting plate (33) and the lower roller mounting plate (34) are arranged between the upper roller mounting plate (33) and the lower roller mounting plate (34), the upper roller mounting plate (33) or/and the lower roller mounting plate (34) are connected with the cylinder (28) through a reset spring (37), the piston rod of the tensioning cylinder (27) extends outwards, and the upper roller (36) is driven by the upper roller mounting plate (33) and the upper roller mounting plate (30) to roll along the inclined surface (30) The lower roller mounting plate (34) rolls towards one side of the upper synchronous belt (10) to tension the upper synchronous belt (10), a piston rod of the tensioning cylinder (27) is contracted inwards, and the tensioning roller is driven to leave the upper synchronous belt (10) to be released from tension under the action of the reset spring (37).
2. A template sewing machine according to claim 1, wherein: an upper blocking sleeve (38) is arranged on the upper plane of the upper roller mounting plate (33), and the upper blocking sleeve (38) and the tensioning roller (35) are coaxially arranged.
3. A template sewing machine according to claim 2, wherein: a first guide rail (39) is arranged on the inner wall of the cylinder mounting plate (28) along the extension and retraction direction of a piston rod of the tensioning cylinder (27), and the sliding guide block (29) is arranged on the first guide rail (39) and moves back and forth along the first guide rail (39).
4. A template sewing machine according to claim 1, wherein: the upper box body (7) is connected to the fixing plate (25) in a sliding way: the upper box body (7) is fixedly provided with a sliding block (40) on the side surface opposite to the fixed plate (25), a second guide rail (41) is arranged on the fixed plate (25) along the up-down direction, and the upper box body (7) is arranged on the second guide rail (41) in a sliding manner through the sliding block (40) and is in sliding connection with the fixed plate (25).
5. A template sewing machine according to claim 1, wherein: the upper rotating shaft (6) in the upper box body (7) is provided with a synchronous pulley I (14), a vertical shaft (12) is arranged in the upright post part (4) and the upper end and the lower end of the vertical shaft extend into the lower part of the cantilever part (5) and the base (1) respectively, the upper end of the vertical shaft (12) is provided with a synchronous pulley II (15) and the lower end of the vertical shaft is provided with a synchronous pulley III (16), the lower rotating shaft (8) is provided with a synchronous pulley IV (17), and the synchronous pulley I (14) is connected with the synchronous pulley II (15) in a transmission manner, and the synchronous pulley III (16) is connected with the synchronous pulley IV (17) through an upper synchronous belt (10) and a lower synchronous belt (11) respectively.
6. A template sewing machine according to claim 5, wherein: and the upper end and the lower end of the first synchronous belt pulley (14) are respectively and outwards extended with a limiting convex edge, and the distance between the limiting convex edges is slightly larger than the width of the upper synchronous belt (10) so that the upper synchronous belt (10) synchronously ascends and descends along with the first synchronous belt pulley (14).
7. A template sewing machine according to claim 1 or 5, wherein: the vertical shaft (12) is indirectly driven by a motor (13) and is: be provided with synchronous pulley five (18) on vertical axis (12), be provided with synchronous pulley six (19) on the pivot of motor (13), be connected through hold-in range (20) transmission between synchronous pulley six (19) and the synchronous pulley five (18), just the diameter of synchronous pulley five (18) is greater than the diameter of synchronous pulley six (19).
8. A template sewing machine according to claim 1, wherein: the lower end cover of going up pivot (6) is equipped with adapter sleeve (42), is provided with flange (43) at the lower extreme of adapter sleeve (42), and adapter sleeve (42) are through flange (43) and aircraft nose assembly (2) fixed connection, are provided with a plurality of open bar grooves (44) on adapter sleeve (42) axially, and a plurality of open bar grooves (44) are distributed along the circumference, are equipped with fastening cover (45) at adapter sleeve (42) overcoat, and fastening cover (45) are with adapter sleeve (42) radial locking and then make adapter sleeve (42) and last pivot (6) fixed connection.
9. A template sewing machine according to claim 1 or 8, wherein: the upper rotating shaft (6) is rotatably connected in the upper box body (7) through a bearing, and the lower end of the upper rotating shaft (6) extends out of the upper box body (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201910385541.3A CN109943984B (en) | 2019-05-09 | 2019-05-09 | Template sewing machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910385541.3A CN109943984B (en) | 2019-05-09 | 2019-05-09 | Template sewing machine |
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| CN109943984A CN109943984A (en) | 2019-06-28 |
| CN109943984B true CN109943984B (en) | 2024-04-09 |
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