CN213804267U

CN213804267U - Bent wrist machine with supplementary tow boat device

Info

Publication number: CN213804267U
Application number: CN202022811502.6U
Authority: CN
Inventors: 熊云; 汪鸿翔; 高展峰
Original assignee: Zhejiang Zusun Sewing Machine Co ltd
Current assignee: Zhejiang Zusun Sewing Machine Co ltd
Priority date: 2020-11-27
Filing date: 2020-11-27
Publication date: 2021-07-27
Anticipated expiration: 2030-11-27

Abstract

The utility model belongs to the technical field of sewing machines, in particular to a curved wrist machine with an auxiliary tug device, which comprises a curved wrist machine body, wherein a rotating main shaft is arranged on the curved wrist machine body; the gearbox shell is fixed on one side of the wrist bending machine; the input shaft is arranged in the gearbox shell and is provided with a first extending end which is in transmission connection with the rotating main shaft; the output shaft is arranged in the gearbox shell and is provided with a second extending end, and the second extending end is connected with an auxiliary tug device; the input shaft is provided with a plurality of staggered eccentric sections, each eccentric section is provided with an input shaft sleeve, and the output shaft is provided with an output shaft sleeve corresponding to the input shaft sleeve; connecting plates are arranged between each input shaft sleeve and each output shaft sleeve; when the rotating main shaft rotates, the rotating main shaft drives the auxiliary tug device to work through the input shaft to the output shaft. The utility model decomposes the work of one mop into a plurality of groups of processes, thereby ensuring that the mop is more smooth and suitable.

Description

Bent wrist machine with supplementary tow boat device

Technical Field

The utility model belongs to the technical field of sewing machine, refer in particular to a bent wrist machine with supplementary tow boat device.

Background

With the rapid development of the production and manufacturing industry, the industry of the bent wrist machine is also new, a gearbox is arranged on some bent wrist machines with higher automation degree, and an auxiliary tug device positioned behind a press foot of the bent wrist machine is dragged through the gearbox, so that the auxiliary tug device and the bent wrist machine rotate synchronously, and the same step of auxiliary mop cloth and sewing is realized.

Chinese utility model 201621084929.8 discloses a gearbox for sewing machine, which realizes the synchronization of the rotation of the auxiliary tug device and the curved wrist machine through the eccentric input shaft and the unidirectional rotation output shaft on the gearbox.

When the gearbox drives the auxiliary tug device, the wrist bending machine rotates once to realize one section of mop cloth, and the distance between each section of mop cloth is fixed; meanwhile, the utility model carries out unidirectional rotation of the wrist bending machine through the eccentric shaft, when the eccentric shaft is driven, the output shaft is in a static state in nearly half of the time, namely, the auxiliary mop device only takes half of the sewing time to mop; if the distance of the single mop is too large, the sewing is abnormal due to the overlong distance of the mop, so that the quality is influenced due to the uneven routing on the clothes.

Disclosure of Invention

The utility model aims at providing a through reducing every section mop distance, increase the bent wrist machine that is equipped with supplementary tow boat device that the mop stability of bent wrist machine is increased to increase mop segment number.

The purpose of the utility model is realized like this:

a wrist bending machine with an auxiliary tug device comprises

The bent wrist machine body is provided with a rotating main shaft;

the gearbox shell is fixed on one side of the wrist bending machine;

the input shaft is arranged in the gearbox shell and provided with a first extending end which is in transmission connection with the rotating main shaft;

the output shaft is arranged in the gearbox shell and is provided with a second extending end, and the second extending end is connected with an auxiliary tug device;

the input shaft is provided with a plurality of staggered eccentric sections, each eccentric section is provided with an input shaft sleeve, and the output shaft is provided with an output shaft sleeve corresponding to the input shaft sleeve; connecting plates are arranged between each input shaft sleeve and each output shaft sleeve; when the rotating main shaft rotates, the rotating main shaft drives the auxiliary tug device to work through the input shaft to the output shaft.

Furthermore, a synchronizing wheel is arranged on the first extending end and is in transmission connection with the rotating main shaft through a transmission belt.

Furthermore, the auxiliary tug device comprises power wheels arranged at the two tail ends of the extending end; the driving wheel is arranged between the power wheel and the driven wheel; the auxiliary dragging wheel device is arranged behind a presser foot of the wrist bending machine and is used for driving a transmission belt at the position of the driven wheel through a power wheel so as to drag cloth behind the presser foot.

Furthermore, a swing rod is rotatably arranged in the auxiliary tug device, one end of the swing rod is connected with the driven wheel, the other end of the swing rod is a driving end, and the swing rod is rotated along a fixed point by operating the driving end so as to adjust the position of the driven wheel.

Furthermore, a multi-star wheel roller wedge surface one-way clamping structure is arranged in the output shaft and used for enabling the output shaft to rotate in a one-way mode.

Furthermore, an adjuster is further arranged in the gearbox shell, the adjuster comprises a support rotatably arranged on the input shaft sleeve, the other end of the support is connected with an adjusting column, and an adjusting plate is further arranged between the adjusting column and the input shaft sleeve; the adjusting column is moved by rotating the support, so that the input shaft sleeve is driven to rotate, and the distance between the input shaft sleeve and the output shaft sleeve is adjusted.

Furthermore, the bracket is U-shaped and comprises two extending ends and a connecting end for connecting the two extending ends; an adjusting rod is arranged on one side of the support, the adjusting rod protrusion is arranged outside the shell of the gearbox, and the support is rotated by driving the protruding adjusting rod.

Furthermore, one end of the adjusting rod is provided with a worm wheel which is connected with a worm, and the other end of the worm is provided with an adjusting handle; rotating the bracket by rotating the adjustment handle.

Compared with the prior art, the utility model outstanding and profitable technological effect is:

the utility model discloses a set up the eccentric section of multistage to adjust the output shaft and rotate the distance of marcing that causes at every turn, thereby make the every rotation round of rotation main shaft of bent wrist machine, the output shaft is marchd many times, thereby will once mop work decompose into the multiunit process, thereby make the suitable more level and smooth of mop, increase the quality that the clothing was made up.

Drawings

FIG. 1 is a schematic view of a wrist bending machine;

FIG. 2 is a schematic illustration of the transmission housing;

FIG. 3 is a schematic view of the structure within the housing;

FIG. 4 is a schematic illustration of the connection of the input shaft to the output shaft;

FIG. 5 is a schematic view of the regulator;

FIG. 6 is a schematic view at the worm on the housing;

fig. 7 is a schematic view at the auxiliary tug arrangement.

The reference numerals in the figures denote the meanings:

1. a wrist bending machine main body; 11. rotating the main shaft; 2. a transmission housing; 3. an input shaft; 31. a first extending end; 311. a synchronizing wheel; 32. an eccentric section; 33. an input shaft sleeve; 4. an output shaft; 41. a second extending end; 42. an output shaft sleeve; 43. the multi-star wheel roller wedge surface one-way clamping structure; 5. connecting plates; 6. an auxiliary tug device; 61. a power wheel; 62. a driven wheel; 63. a swing rod; 631. a driving end; 64. a telescopic cylinder; 7. a regulator; 71. a support; 711. an extension end; 712. a connecting end; 72. an adjustment column; 73. an adjusting plate; 74. adjusting a rod; 75. a worm gear; 76. a worm; 77. and adjusting the handle.

Detailed Description

The invention will be further described with reference to specific embodiments below:

a bent wrist machine with an auxiliary tug device comprises a bent wrist machine body 1 used for sewing clothes, wherein a rotating main shaft 11 is arranged on the bent wrist machine body 1, and the bent wrist machine body 1 is driven to work by rotating the main shaft 11; one side of the wrist bending machine main body 1 is provided with a gearbox shell 2, an input shaft 3 and an output shaft 4 are arranged in the gearbox shell 2, the input shaft 3 and the output shaft 4 are respectively provided with a first extending end 31 and a second extending end 41 outside the gearbox shell 2, the first extending end 31 is in transmission connection with the rotating main shaft 11, and the second extending end 41 is connected with an auxiliary tug device 6. As shown in fig. 1, 2 and 7, a synchronizing wheel 311 is arranged on the first extension end 31, and a synchronizing belt is arranged between the synchronizing wheel 311 and the rotating main shaft 11, and is in transmission connection through the synchronizing belt. The auxiliary tug device 6 comprises a power wheel 61 arranged at the tail end of the extension end II 41 and a driven wheel 62, and a transmission belt is arranged between the power wheel 61 and the driven wheel 62; the auxiliary dragging wheel device 6 is arranged behind a presser foot of the wrist bending machine main body 1 and is used for driving a transmission belt at a driven wheel 62 through a power wheel 61 to drag cloth behind the presser foot.

Furthermore, a plurality of staggered eccentric sections 32 are arranged on the input shaft 3, an input shaft sleeve 33 is arranged on each eccentric section 32, and an output shaft sleeve 42 corresponding to the input shaft sleeve 33 is arranged on the output shaft 4; a connecting plate 5 is arranged between each input shaft sleeve 33 and each output shaft sleeve 42; when the rotating main shaft 11 is driven, the auxiliary tug device 6 is driven to work through the input shaft 3 to the output shaft 4.

As shown in fig. 3 and 4, the eccentric section 32 in the present embodiment has two sections, and the eccentric portions of the eccentric section 32 face the left and right sides of the input shaft 3, respectively, so that the eccentric ends are staggered; the input shaft sleeve 33 and the output shaft sleeve 42 are both provided with a protruding part, the protruding part is specifically two connecting plates, a rotating shaft is arranged between the two connecting plates, the connecting plate 5 is inserted between the two connecting plates and connected with the rotating shaft, and therefore the input shaft sleeve 33, the output shaft sleeve 42 and the connecting plate 5 are rotatably connected.

When the wrist bending machine main body 1 works, the rotating main shaft 11 rotates to drive the input shaft 3 to rotate, the input shaft 3 rotates to enable the eccentric section 32 to rotate, the eccentric section 32 rotates to drive the input shaft sleeve 33 to do reciprocating motion back and forth, and the output shaft sleeve 42 is driven to do reciprocating motion through the reciprocating motion of the eccentric section 32 and the connecting plate 5, so that the output shaft 4 rotates; in this embodiment, the output shaft 4 is provided with the one-way clamping structure 43 with multiple star wheels and roller wedge surfaces, and the specific structure of the one-way clamping structure can refer to the structure disclosed in china utility model 201621084929.8, and the structure is used for making the output shaft 4 rotate in one direction, so that when the output shaft sleeve 42 reciprocates, the output shaft 4 does not rotate reversely due to the reciprocating motion of the output shaft sleeve 42.

At this time, because of the existence of the plurality of groups of eccentric sections 32, the output shaft 4 is driven to rotate for the same number of times as the number of the eccentric sections 32 under the condition that the rotating main shaft 11 rotates for one circle; assuming that the transmission ratio between the input shaft 3 and the rotating main shaft 11 is one to one, the input shaft 3 rotates one circle, the two eccentric sections 32 on the input shaft 3 rotate one circle, and the eccentric sections 32 are arranged in a staggered manner and can respectively drive the output shaft sleeve 42 to swing back and forth, and the output shaft 4 is provided with a multi-star wheel roller wedge surface one-way clamping structure 43, so that the output shaft 4 is only driven to rotate forwards by the output shaft sleeve 42 when the output shaft sleeve 42 and the output shaft 4 rotate in the same one-way direction, and finally the output shaft 4 rotates twice under the driving of the staggered eccentric sections 32, thereby driving the auxiliary tug device 6 to drag twice; the user is through the distance that the adjustment was dragged at every turn for the total distance of multistage mop is equivalent with the distance of original one section mop, thereby under the condition that main shaft 11 rotates the round rotates, realizes the multistage mop, compares in original one section mop, and the multistage mop is more level and smooth, increases the quality that the clothing was made up. The user can improve by increasing the number of steps of the eccentric section 32 to increase the number of mops or by increasing the transmission ratio of the rotating spindle 11 to the input shaft 3. The user can adjust the dragging frequency in a single sewing by adjusting the transmission ratio between the input shaft 3 and the rotating main shaft 11, or by adjusting the number of the eccentric sections 32.

Furthermore, an adjuster 7 is arranged in the gearbox housing 2, and the adjuster 7 is used for adjusting the distance dragged by each mop, namely the angle of rotation of the output shaft 4 each time. As shown in fig. 3, the adjuster 7 includes a bracket 71 rotatably disposed on the input shaft sleeve 33, an adjusting column 72 is connected to the other end of the bracket 71, and an adjusting plate 73 is disposed between the adjusting column 72 and the input shaft sleeve 33; when the bracket 71 is rotated, the bracket 71 drives the adjusting column 72 to rotate along the rotation point of the bracket 71, but because the adjusting column 72 and the bracket 71 of the input shaft sleeve 33 are provided with the adjusting plate 73, when the adjusting column 72 moves, the input shaft sleeve 33 can be driven to rotate at the same time, the rotation of the input shaft sleeve 33 causes the position of the rotation connection point of the input shaft sleeve 33 and the connecting plate 5 to change, so that the position of the rotation point and the output shaft sleeve 42 is shortened or increased, the transmission condition between the input shaft 3 and the output shaft 4 is finally changed, and the change of the rotation angle of the output shaft 4 is realized each time.

As shown in fig. 3 and 5, the bracket 71 is U-shaped, and the bracket 71 includes two extending ends 711 and a connecting end 712 connecting the two extending ends 711; an adjustment lever 74 is provided at one side of the bracket 71, the adjustment lever 74 is protrudingly provided outside the transmission case 2, and the bracket 71 is rotated by driving the protrudingly adjusted lever 74. One end of the adjusting rod 74 is provided with a worm wheel 75, the worm wheel 75 is connected with a worm 76, and the other end of the worm 76 is provided with an adjusting handle 77; the bracket 71 is rotated by rotating the adjustment handle 77. The user can also directly drive the adjustment lever 74 to rotate, but the additional worm gear mechanism can make the adjustment more labor-saving.

The utility model discloses a regulator 7 of gearbox comes the direct adjustment to have the mop distance of supplementary tow boat device 6, compares current mop device, the utility model discloses integrate the speed change with supplementary tow boat device 6 mutually, need not to increase the subassembly of adjustment mop distance again on supplementary tow boat device 6, so the utility model discloses simple structure, the operation of being convenient for.

Further, as shown in fig. 7, a swing link 63 is further rotatably disposed in the auxiliary tug device 6, one end of the swing link 63 is connected to the driven wheel 62, the other end of the swing link 63 is a driving end 631, the swing link 63 is rotated along a fixed point by operating the driving end 631, and then the position of the driven wheel 62 is adjusted, and the abutting force of the driven wheel 62 is adjusted by adjusting the position of the driven wheel 62, so as to adapt to clothes with different thicknesses. The utility model discloses in be equipped with telescoping cylinder 6464 in the other one end of pendulum rod 63, realize the rotation of pendulum rod 63 through the driven form of telescoping cylinder 64.

The above-mentioned embodiment is only the preferred embodiment of the present invention, and does not limit the protection scope of the present invention according to this, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a bent wrist machine with supplementary tow boat device which characterized in that: comprises that

The bent wrist machine comprises a bent wrist machine main body (1), wherein a rotating main shaft (11) is arranged on the bent wrist machine main body (1);

the gearbox shell (2) is fixed on one side of the wrist bending machine;

the input shaft (3) is arranged in the gearbox shell (2), the input shaft (3) is provided with a first extending end (31), and the first extending end (31) is in transmission connection with the rotating main shaft (11);

the output shaft (4) is arranged in the gearbox shell (2), the output shaft (4) is provided with a second extending end (41), and the second extending end (41) is connected with an auxiliary tug device (6);

a plurality of staggered eccentric sections (32) are arranged on the input shaft (3), an input shaft sleeve (33) is arranged on each eccentric section (32), and an output shaft sleeve (42) corresponding to the input shaft sleeve (33) is arranged on the output shaft (4); a connecting plate (5) is arranged between each input shaft sleeve (33) and each output shaft sleeve (42); when the rotating main shaft (11) rotates, the rotating main shaft (11) drives the auxiliary tug device (6) to work through the input shaft (3) to the output shaft (4).

2. The wrist bending machine provided with the auxiliary tug boat device according to claim 1, characterized in that: and a synchronizing wheel (311) is arranged on the first extension end (31), and the synchronizing wheel (311) is in transmission connection with the rotating main shaft (11) through a transmission belt.

3. The wrist bending machine provided with the auxiliary tug boat device according to claim 1, characterized in that: the auxiliary tug device (6) comprises a power wheel (61) arranged at the tail end of the second extension end (41); the power wheel is characterized by further comprising a driven wheel (62), and a transmission belt is arranged between the power wheel (61) and the driven wheel (62); the auxiliary dragging wheel device (6) is arranged behind a presser foot of the wrist bending machine and used for driving a transmission belt at a driven wheel (62) through a power wheel (61) to drag cloth behind the presser foot.

4. The wrist bending machine provided with the auxiliary tug boat device according to claim 3, characterized in that: the auxiliary tug device (6) is further rotatably provided with a swing rod (63), one end of the swing rod (63) is connected with the driven wheel (62), the other end of the swing rod (63) is a driving end (631), and the swing rod (63) is rotated along a fixed point by operating the driving end (631) so as to adjust the position of the driven wheel (62).

5. The wrist bending machine provided with the auxiliary tug boat device according to claim 1, characterized in that: and a multi-star wheel roller wedge surface one-way clamping structure (43) is arranged in the output shaft (4) and used for enabling the output shaft (4) to rotate in one direction.

6. The wrist bending machine provided with the auxiliary tug boat device according to claim 1, characterized in that: the transmission case (2) is also internally provided with a regulator (7), the regulator (7) comprises a bracket (71) rotatably arranged on the input shaft sleeve (33), the other end of the bracket (71) is connected with a regulating column (72), and a regulating plate (73) is also arranged between the regulating column (72) and the input shaft sleeve (33); the adjusting column (72) is moved by rotating the support (71), so that the input shaft sleeve (33) is driven to rotate, and the distance between the input shaft sleeve (33) and the output shaft sleeve (42) is adjusted.

7. The wrist bending machine provided with the auxiliary tug boat device according to claim 6, characterized in that: the bracket (71) is U-shaped, and the bracket (71) comprises two extending ends (711) and a connecting end (712) for connecting the two extending ends (711); an adjusting rod (74) is arranged on one side of the support (71), the adjusting rod (74) is arranged outside the gearbox shell (2) in a protruding mode, and the support (71) is rotated by driving the protruding adjusting rod (74).

8. The wrist bending machine provided with the auxiliary tug boat device according to claim 7, characterized in that: one end of the adjusting rod (74) is provided with a worm wheel (75), the worm wheel (75) is connected with a worm (76), and the other end of the worm (76) is provided with an adjusting handle (77); rotating the bracket (71) by rotating the adjustment handle (77).