CN220887933U - Differential mop mechanism of wrist bending machine - Google Patents
Differential mop mechanism of wrist bending machine Download PDFInfo
- Publication number
- CN220887933U CN220887933U CN202322673441.5U CN202322673441U CN220887933U CN 220887933 U CN220887933 U CN 220887933U CN 202322673441 U CN202322673441 U CN 202322673441U CN 220887933 U CN220887933 U CN 220887933U
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- mop
- tooth
- assembly
- bending machine
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- 210000000707 wrist Anatomy 0.000 title claims abstract description 38
- 238000005452 bending Methods 0.000 title claims abstract description 35
- 230000000630 rising effect Effects 0.000 claims description 8
- 230000033001 locomotion Effects 0.000 claims description 6
- 230000035515 penetration Effects 0.000 claims description 3
- 239000004744 fabric Substances 0.000 abstract description 26
- 238000009958 sewing Methods 0.000 abstract description 10
- 238000000034 method Methods 0.000 description 5
- 238000007493 shaping process Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 102000004315 Forkhead Transcription Factors Human genes 0.000 description 1
- 108090000852 Forkhead Transcription Factors Proteins 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000037303 wrinkles Effects 0.000 description 1
Landscapes
- Cleaning Implements For Floors, Carpets, Furniture, Walls, And The Like (AREA)
Abstract
The utility model belongs to the technical field of sewing machines, in particular to a differential mop mechanism of a wrist bending machine, which comprises: the driving shaft is arranged in the wrist bending machine, and one side of the driving shaft is provided with a driving source for driving the driving shaft to rotate; a first mop assembly connected to the drive shaft by an adjustment assembly, the first mop assembly having a first mop tooth for positioning under the presser foot; a second mop assembly connected to the drive shaft by an adjustment assembly, the second mop assembly having a second mop tooth for positioning under the foot; the first mop teeth and the second mop teeth are sequentially arranged along the feeding direction of the wrist bending machine, the speed of the first mop teeth can be adjusted to be faster, and the speed of the second mop teeth is slightly slower than that of the first mop teeth to compensate the cloth position difference caused by stretching, so that the sewing stretching condition of elastic fabrics is reduced, and the product is convenient to form better.
Description
Technical Field
The utility model belongs to the technical field of sewing machines, and particularly relates to a differential mop mechanism of a wrist bending machine.
Background
The utility model 2019102050563 in China discloses a stitch length adjusting device and an operation method thereof, wherein an adjusting column extends into an adjusting groove, a driving shaft rotates until a second signal mark is aligned with a second signal screw to serve as an initial reference for adjusting stitch length, and then a control device controls the driving shaft to rotate to a corresponding position according to the set stitch length, so that the phase of the driving shaft relative to a connecting disc is adjusted, and the phase and the distance between the eccentric position of the outer cylindrical surface of a driving sleeve of the connecting disc relative to the driving shaft are adjusted. Before working, the wrist bending machine in the patent needs to place the fabric to be sewn under the pressing foot, and the fabric is conveyed through the cloth feeding teeth under the pressing foot in the sewing process.
Because the feed dog in this patent is equipped with only one, lead to the feed dog in this patent can't satisfy user's different demands when the pay-off, lead to the product to use inflexibly, influence the product shaping.
Disclosure of Invention
The utility model aims to provide a differential mop mechanism of a wrist bending machine, which is convenient for sewing and forming products, and the aim of the utility model is realized in the following way:
a differential mop mechanism of a wrist bending machine, comprising:
The driving shaft is arranged in the wrist bending machine, and one side of the driving shaft is provided with a driving source for driving the driving shaft to rotate;
A first mop assembly connected to the drive shaft by an adjustment assembly, the first mop assembly having a first mop tooth for positioning under the presser foot;
A second mop assembly connected to the drive shaft by an adjustment assembly, the second mop assembly having a second mop tooth for positioning under the foot;
Wherein the driving shaft is used for driving the first mop component and the second mop component to reciprocate, and the adjusting component is used for adjusting the reciprocating motion amplitude of the first mop component and the second mop component.
Further, the first mop teeth and the second mop teeth are sequentially arranged along the feeding direction of the wrist bending machine.
Further, the first mop assembly comprises a first mop connecting rod, one end of the first mop connecting rod is connected with the driving shaft through the adjusting assembly, and a first mop tooth is arranged at the other end of the first mop connecting rod;
The second mop assembly comprises a second mop connecting rod, one end of the second mop connecting rod is connected with the driving shaft through the adjusting assembly, and a second mop tooth is arranged at the other end of the second mop connecting rod.
Further, an extension section is arranged at one end of the second mop component, the extension section extends to the rear side of the first mop tooth, and the second mop tooth is arranged on the extension section and is arranged opposite to the first mop tooth in front-back direction.
Further, the extension section is positioned at the lower side of the first mop tooth, and is connected with the rising section, and the second mop tooth is connected with the rising section; a needle penetration gap is formed among the first mop teeth, the second mop teeth and the extension section.
Further, a deflection section is arranged in the first mop connecting rod, and a support section connected to two ends of the deflection section is arranged on one side of the deflection section.
Further, the adjustment assembly includes:
The connecting gear is sleeved on the driving shaft, and one side of the connecting gear is connected with a first eccentric section sleeved outside the driving shaft;
The adjusting disc is provided with a sliding groove; one side of the adjusting disc is also connected with a second eccentric section, and a first through hole part for the first eccentric section to pass through is formed in the adjusting disc and the second eccentric section;
The positioning piece is arranged in the chute in a sliding way; the positioning piece is provided with a second through hole part, a tooth surface part is arranged on the inner edge of one side of the second through hole part, and a reset pushing piece which enables the tooth surface part to be meshed with the connecting gear is arranged outside the positioning piece; and
The driving frame is connected with the first mop component or the second mop component; the driving frame is provided with a third through hole part, and the second eccentric section is positioned in the third through hole part;
Wherein, be equipped with a plurality of location draw-in grooves on the terminal surface of one side of second eccentric section.
Further, the first mop component and the second mop component are provided with connecting fork heads connected with the driving frame.
Further, the first mop teeth and the second mop teeth are perpendicular to the feeding direction of the wrist bending machine.
Compared with the prior art, the utility model has the following outstanding and beneficial technical effects:
1. This patent is through adjusting the motion speed of a plurality of mop teeth, satisfies the different mop demands of user, increases the flexibility that the wrist bending machine used.
2. This patent sets gradually the direction of feed of bending wrist machine with first mop tooth and second mop tooth, can be with the speed adjustment quick-witted point of first mop tooth, and the speed of second mop tooth is less than first mop tooth slightly, compensates the cloth position difference that the stretching caused to this reduces the sewing stretching condition of elasticity surface fabric, the better shaping of product of being convenient for.
3. This patent sets up about with first mop tooth and second mop tooth respectively, and the transport speed of one of them feed dog of adjustable first mop tooth and second mop tooth compensates because the cloth of ornamental strip self thickness leading to the crease both sides has front and back position difference to this is convenient for the better shaping of product.
Drawings
FIG. 1 is a schematic diagram of the structure of a wrist bending machine.
Figure 2 is a schematic view of the differential mop mechanism.
Figure 3 is a schematic structural view of a second mop assembly.
Fig. 4 is a schematic diagram of a disassembly of the adjustment assembly.
Figure 5 is a schematic view of the construction of the first mop assembly and the second mop assembly.
Fig. 6 is a schematic structural view of the adjustment assembly.
Figure 7 is a schematic view of the structure of the first mop tooth and the second mop tooth when they are arranged perpendicular to the feeding direction of the wrist bending machine.
The meaning indicated by the reference numerals in the figures:
1. a drive shaft; 11. a driving source;
2. A first mop assembly; 21. a first mop tooth; 22. a first mop link; 23. a deflection section; 24. a support section; 25. a connecting fork head;
3. a second mop assembly; 31. a second mop tooth; 32. a second mop link; 33. an extension section; 34. a rising section; 35. a needle penetration gap;
4. an adjustment assembly;
41. A connecting gear; 42. a first eccentric section;
43. An adjusting plate; 431. a chute; 44. a second eccentric section; 441. positioning clamping grooves; 45. a first through hole portion;
46. a positioning piece; 461. a second through hole portion; 462. a tooth surface portion;
47. a drive rack; 471. a third through hole portion;
5. A base; 6. a machine head; 61. a needle bar; 62. a crochet hook;
Detailed Description
The utility model is further described with reference to the following specific examples:
The utility model provides a differential mop mechanism of bent wrist machine, includes drive shaft 1, first mop subassembly 2, second mop subassembly 3, this patent differential mop mechanism be arranged in a bent wrist machine, bent wrist machine is including frame 5, is equipped with aircraft nose 6 on the frame 5, and aircraft nose 6 drive has presser foot and needle bar 61, is equipped with in the frame 5 under the presser foot differential mop mechanism.
As shown in fig. 1, the driving shaft 1 is disposed in a stand 5 of the wrist bending machine, a driving source 11 for driving the driving shaft 1 to rotate is disposed at one side end of the driving shaft 1, and the driving source 11 is typically a motor disposed in the stand 5. The first mop component 2 is connected with the driving shaft 1 through an adjusting component 4, the first mop component 2 is provided with a first mop tooth 21 arranged below the presser foot, the second mop component 3 is connected with the driving shaft 1 through the adjusting component 4, and the second mop component 3 is provided with a second mop tooth 31 arranged below the presser foot; the driving shaft 1 is used for driving the first mop assembly 2 and the second mop assembly 3 to reciprocate, and the adjusting assembly 4 is used for adjusting the reciprocating motion amplitude of the first mop assembly 2 and the second mop assembly 3.
In this embodiment, as shown in fig. 2, the first mop tooth 21 and the second mop tooth 31 are sequentially disposed along the feeding direction of the wrist bending machine. The first mop assembly 2 comprises a first mop connecting rod 22, the first mop connecting rod 22 is in a strip shape, one end of the first mop connecting rod 22 is connected with the driving shaft 1 through the adjusting assembly 4, the other end of the first mop connecting rod is integrally formed with the first mop teeth 21, the second mop assembly 3 comprises a second mop connecting rod 32, one end of the second mop connecting rod 32 is connected with the driving shaft 1 through the adjusting assembly 4, and the other end of the second mop connecting rod 32 is provided with a second mop tooth 31. In this patent, the first mop connecting rod 22 and the second mop connecting rod 32 are respectively arranged left and right, and are respectively connected with the driving shaft 1 through the adjusting component 4, and one ends of the first mop connecting rod 22 and the second mop connecting rod 32, which are provided with the first mop teeth 21 and the second mop teeth 31, are inwardly biased inwards, so that the lower sides of the first mop teeth 21 and the second mop are respectively arranged at the lower sides of the presser feet of the wrist bending machine.
As shown in connection with figures 2 and 5, the first mop tooth 21 is directly connected to the end of the first mop connecting rod 22, and the first mop tooth 21 has a certain width, so that the whole area is larger, and the mop can be contacted with cloth better. The end of the second mop connecting rod 32 is provided with an extension section 33, the extension section 33 extends to the rear side of the first mop tooth 21, and the second mop tooth 31 is arranged on the extension section 33 and is arranged opposite to the first mop tooth 21 in front-back direction. In this embodiment, the extension section 33 is biased towards the lower side, and the first mop tooth 21 is biased upwards, so that the extension section 33 is located at the lower side of the first mop tooth 21, the end of the extension section 33 is further provided with a rising section 34, the rising section 34 is vertically connected to the end of the extension section 33, the end of the rising section 34 is flush with the first mop tooth 21 and is connected to the second mop tooth 31, and the first mop tooth 21 and the second mop tooth 31 are oppositely arranged at this time; at the same time, a needle-threading gap 35 is formed between the first mop tooth 21, the second mop tooth 31 and the extension 33. The needle threading gap 35 is used for placing a crochet needle 62, and cloth sewing is realized by matching the crochet needle 62 with a needle bar 61.
When in operation, the driving shaft 1 synchronously drives the first mop component 2 and the second mop component 3 to operate so as to enable the first mop tooth 21 and the second mop tooth 31 to move; thanks to the provision of the adjusting assembly 4 in this patent, the movement amplitude of one of the first mop assembly 2 and the second mop assembly 3 can be adjusted by the adjusting assembly 4 to differentially move the first mop tooth 21 and the second mop tooth 31.
Referring to fig. 3, 4 and 6, the first mop assembly 2 and the second mop assembly 3 in this patent use the same adjusting assembly 4, which includes a connecting gear 41, an adjusting disc 43, a positioning member 46 and a driving frame 47, wherein the connecting gear 41 is sleeved on the driving shaft 1, a tooth surface is provided on the outer edge of the connecting gear 41, and one side of the connecting gear 41 is connected with a first eccentric section 42 sleeved outside the driving shaft 1; the adjusting disc 43 is provided with a sliding groove 431, one side of the adjusting disc 43 is also connected with a second eccentric section 44, and the adjusting disc 43 and the second eccentric section 44 are provided with a first through hole 45 for the first eccentric section 42 to pass through. The first eccentric section 42 and the second eccentric section 44 are in particular two eccentric wheels, which are integrally formed with the connecting gear 41 and the adjusting disk 43, respectively.
The positioning piece 46 is provided with a second through hole part 461, a tooth surface part 462 is arranged on the inner edge of one side of the second through hole part 461, and a reset pushing piece which enables the tooth surface part 462 to be meshed on the connecting gear 41 is arranged outside the positioning piece 46; the second through hole 461 is provided for the connecting gear 41 to pass through, and the return pushing member includes a torsion spring member abutting on one end of the positioning member 46.
The driving frame 47 is used for connecting the first mop assembly 2 or the second mop assembly 3, the whole mop assembly is square, and the first mop assembly 2 and the second mop assembly 3 are provided with connecting fork heads 25 connected with the driving frame 47; the driving frame 47 is provided with a third through hole 471, the second eccentric section 44 is located in the through hole, and the first eccentric section 42 of the connecting gear 41 is located in the first through hole 45 of the second eccentric section 44. The driving shaft 1 drives the first eccentric section 42 to rotate, and since the connecting gear 41 is connected with the adjusting disk 43 through the tooth surface, the first eccentric section 42 rotates and drives the connecting gear 41 to rotate, thereby driving the second eccentric section 44 to rotate, and the second eccentric section 44 is connected with the driving frame 47, thereby driving the driving frame 47 to swing through the rotation of the second eccentric section 44. At this time, the first eccentric section 42 and the second eccentric section 44 are located on the same axial plane, the swing amplitude of the driving frame 47 depends on the rotation center thereof, and the rotation center can be adjusted by rotating the first eccentric section 42 to make the eccentric portion on the first eccentric section 42 complementary to the portion on the second eccentric section 44.
In the adjustment process, the tooth surface 462 is not engaged with the connecting gear 41 by pushing the positioning piece 46 to slide in the sliding groove 431, so that the connecting gear 41 is not linked with the adjusting disc 43, at this time, the driving shaft 1 can be manually rotated to drive the first eccentric section 42 to rotate, until the first eccentric section 42 rotates to a proper position, and then the pushing of the positioning piece 46 is released, so that the tooth surface 462 is reengaged with the connecting gear 41. In this patent, be equipped with a plurality of positioning card slots 441 on the terminal surface of one side of second eccentric section 44, its as shown in fig. 6, this positioning card slot 441 is the adjustment for instruct the position condition after the first eccentric section 42 is adjusted, the user of being convenient for observe the regulation condition.
The front-rear differential movement of the first 21 and second 31 mops is achieved in the manner described above. When the wrist bending machine is used for sewing some elastic fabrics, the elastic fabrics are stretched backwards by the cloth feeding teeth in the process of conveying the elastic fabrics due to the elasticity of the elastic fabrics, so that the sewn elastic fabrics are kept in a stretched state, wrinkles are generated, and the product forming is affected. The speed of the first mop teeth 21 can be adjusted to be faster, and the speed of the second mop teeth 31 is slightly slower than that of the first mop teeth 21 to compensate the cloth position difference caused by stretching, so that the sewing stretching condition of the elastic fabric is reduced, and the product is convenient to form better.
In other embodiments, as shown in fig. 7, the first mop tooth 21 and the second mop tooth 31 are disposed perpendicular to the feeding direction of the wrist bending machine, that is, the first mop tooth 21 and the second mop tooth 31 are disposed left and right respectively, as shown in fig. 7, a decorative strip is disposed in a conventional part of cloth, and when the wrist bending machine is used for splicing such a cloth with a decorative strip, the connecting portion of the left and right cloth is folded longitudinally to obtain a cross-shaped decorative structure. However, after the cloth with the decorative strip is folded and sewn, the front and rear positions of the cloth on two sides of the crease are different due to the thickness of the decorative strip, if the feeding speed of the left and right cloth cannot be well adjusted in the sewing process, the left and right cloth cannot be aligned, and therefore the product forming is affected. But this patent can adjust the conveying speed of first mop tooth 21 and one of them feed dog of second mop tooth 31, compensates because the thickness of ornamental strip self leads to the cloth of crease both sides to have front and back position difference to this better shaping of product of being convenient for.
Further, a deflection section 23 is arranged in the second mop connecting rod 32, and a support section 24 connected to two ends of the deflection section is arranged on one side of the deflection section 23. The deflection section 23 is approximately 90 degrees, the deflection section 23 is adapted to the frame structure of the wrist bending machine, so that the first mop teeth 21 and the second mop teeth 31 can be better attached together to work, and the support section 24 is arranged to increase the overall strength of the deflection section 23, so as to increase the service life of the product.
The above embodiments are only preferred embodiments of the present utility model, and are not intended to limit the scope of the present utility model in this way, therefore: all equivalent changes in structure, shape and principle of the utility model should be covered in the scope of protection of the utility model.
Claims (9)
1. A differential mop mechanism of a wrist bending machine, comprising:
The driving shaft (1) is arranged in the wrist bending machine, and one side of the driving shaft (1) is provided with a driving source (11) for driving the driving shaft to rotate;
A first mop assembly (2), the first mop assembly (2) being connected to the drive shaft (1) by an adjustment assembly (4), the first mop assembly having a first mop tooth (21) for being arranged below the presser foot;
A second mop assembly (3), the second mop assembly (3) being connected to the drive shaft (1) by an adjustment assembly (4), the second mop assembly (3) having a second mop tooth (31) for being arranged below the presser foot;
Wherein the driving shaft (1) is used for driving the first mop component (2) and the second mop component (3) to reciprocate, and the adjusting component (4) is used for adjusting the reciprocating motion amplitude of the first mop component (2) and the second mop component (3).
2. A differential mop mechanism of a wrist bending machine according to claim 1, wherein: the first mop teeth (21) and the second mop teeth (31) are sequentially arranged along the feeding direction of the wrist bending machine.
3. A differential mop mechanism of a wrist bending machine according to claim 2, wherein: the first mop assembly (2) comprises a first mop connecting rod (22), one end of the first mop connecting rod (22) is connected with the driving shaft (1) through the adjusting assembly (4), and a first mop tooth (21) is arranged at the other end of the first mop connecting rod (22);
The second mop assembly (3), second mop assembly (3) include second mop connecting rod (32), and one end of second mop connecting rod (32) is passed through adjusting part (4) are connected drive shaft (1), be equipped with second mop tooth (31) on the other end of second mop connecting rod (32).
4. A differential mop mechanism of a wrist bending machine according to claim 3, wherein: an extension section (33) is arranged at one end of the second mop component (3), the extension section (33) extends to the rear side of the first mop tooth (21), and the second mop tooth (31) is arranged on the extension section (33) and is arranged opposite to the first mop tooth (21) in front-back direction.
5. The differential mop mechanism of wrist bending machine according to claim 4, wherein: the extension section (33) is positioned at the lower side of the first mop tooth (21), the extension section (33) is connected with the rising section (34), and the second mop tooth (31) is connected through the rising section (34); a needle penetration gap (35) is formed between the first mop tooth (21), the second mop tooth (31) and the extension section (33).
6. A differential mop mechanism of a wrist bending machine according to claim 3, wherein: the first mop connecting rod (22) is internally provided with a deflection section (23), and one side of the deflection section (23) is provided with a support section (24) connected with two ends of the deflection section.
7. A differential mop mechanism of a wrist bending machine according to claim 1, characterized in that the adjustment assembly (4) comprises:
The connecting gear (41) is sleeved on the driving shaft (1), and one side of the connecting gear (41) is connected with a first eccentric section (42) sleeved outside the driving shaft (1);
The adjusting disc (43), the adjusting disc (43) is provided with a chute (431); a second eccentric section (44) is further connected to one side of the adjusting disc (43), and a first through hole part (45) for the first eccentric section (42) to pass through is formed in the adjusting disc (43) and the second eccentric section (44);
the positioning piece (46) is arranged in the chute (431) in a sliding manner; a second through hole part (461) is formed in the positioning piece (46), a tooth surface part (462) is arranged on the inner edge of one side of the second through hole part (461), and a reset pushing piece which enables the tooth surface part (462) to be meshed with the connecting gear (41) is arranged outside the positioning piece (46); and
A drive rack (47), the drive rack (47) being connected to the first mop assembly (2) or the second mop assembly (3); a third through hole part (471) is formed in the driving frame (47), and the second eccentric section (44) is positioned in the third through hole part (471);
Wherein, a plurality of positioning clamping grooves (441) are arranged on one side end face of the second eccentric section (44).
8. The differential mop mechanism of wrist bending machine according to claim 7, wherein: the first mop component (2) and the second mop component (3) are provided with connecting fork heads (25) connected with the driving frame (47).
9. A differential mop mechanism of a wrist bending machine according to claim 1, wherein: the first mop tooth (21) and the second mop tooth (31) are arranged perpendicular to the feeding direction of the wrist bending machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322673441.5U CN220887933U (en) | 2023-09-28 | 2023-09-28 | Differential mop mechanism of wrist bending machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322673441.5U CN220887933U (en) | 2023-09-28 | 2023-09-28 | Differential mop mechanism of wrist bending machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220887933U true CN220887933U (en) | 2024-05-03 |
Family
ID=90839595
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322673441.5U Active CN220887933U (en) | 2023-09-28 | 2023-09-28 | Differential mop mechanism of wrist bending machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220887933U (en) |
-
2023
- 2023-09-28 CN CN202322673441.5U patent/CN220887933U/en active Active
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