CN212895340U - Intelligent facial line tension adjusting device - Google Patents
Intelligent facial line tension adjusting device Download PDFInfo
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- CN212895340U CN212895340U CN202022010025.3U CN202022010025U CN212895340U CN 212895340 U CN212895340 U CN 212895340U CN 202022010025 U CN202022010025 U CN 202022010025U CN 212895340 U CN212895340 U CN 212895340U
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Abstract
The utility model relates to a sewing technical field relates to an intelligence facial line tension adjusting device. The utility model comprises a facial line tension component, a sewing material thickness detection component and a control component; in the sewing process, the thickness of the sewing material is sensed autonomously, the tension of the upper thread is automatically and intelligently adjusted according to the thickness of the sewing material, the step of manually adjusting the tension is completely omitted, and the tension of the upper thread can be changed according to the real-time change of the thickness of the sewing material in the sewing process; the facial line tension can be directly set through the liquid crystal screen, and facial line tension adjusting parameters are visual. The utility model is simple in operation; keeping the stitch of the upper thread stable; after the thread is cut, the thread cutting thread end is shorter, the manufacturing process of the sewing product is greatly saved, the production efficiency of the sewing product is improved, and the thread trace is stable and attractive in the whole sewing process.
Description
Technical Field
The utility model relates to a sewing technical field relates to an intelligence facial line tension adjusting device.
Background
The upper thread tension adjusting mechanism of the traditional sewing machine at present realizes the adjustment of the upper thread tension by manually rotating a knob to compress a tower spring. For the fabrics with different thicknesses, the knob is rotated again to change the compression amount of the tower spring so as to adjust the tension of the upper thread, so that the repeatability is high, the labor capacity is not used, and the production efficiency is reduced; moreover, because the manual adjustment error is large, the tension change of the upper thread is inaccurate, the sewing material is wrinkled if the tension of the upper thread is too large, and the thread loop is raised if the tension of the upper thread is too small, so that the stitches of the upper thread are inconsistent; in addition, the existing sewing equipment needs overlong thread trimming head, special working procedures are needed to trim the thread head, the manufacturing working procedures of sewing products are multiple, the production efficiency of the sewing products is low, and the sewing effect is not attractive.
SUMMERY OF THE UTILITY MODEL
In view of the above, the utility model provides an intelligent upper thread tension adjusting device, in the sewing process, the autonomous perception sewing material thickness, according to sewing material thickness automatic intelligent adjustment upper thread tension, save the manual tension step of adjusting completely, and in the sewing process, upper thread tension can change according to sewing material thickness real-time variation; the facial line tension can be directly set through the liquid crystal screen, facial line tension adjusting parameters are visual, and the operation is simple; thereby keeping the stability of the upper thread trace; after the thread is cut, the thread cutting thread end is shorter, the manufacturing process of the sewing product is greatly saved, the production efficiency of the sewing product is improved, and the thread trace is stable and attractive in the whole sewing process.
For solving the problems existing in the prior art, the technical scheme of the utility model is that:
an intelligent facial line tension adjusting device comprises a facial line tension assembly, a sewing material thickness detection assembly and a control assembly;
the upper thread tension assembly comprises a stepping motor, and an optical axis of the stepping motor extends into a hole at one end of the coupler and is supported and tightened by a supporting screw; a screw rod transmission rod is sleeved in a hole at the other end of the coupler and is supported tightly through a supporting screw, so that the screw rod transmission rod and the stepping motor synchronously rotate, the other end of the screw rod transmission rod is connected with a screw nut of a driven part, the other end of the driven part is fastened with the pressure rod through a pin, a large hole in the stop pin sheet, a wire clamping bracket, a wire clamping disc, a shield and a tower spring are sequentially sleeved on the pressure rod, a slender shaft of the stop pin extends into a through hole close to the outer side of the shaft of the wire clamping bracket, the reset tower spring is sleeved on the pressure rod between the stop pin and the wire clamping bracket, so that the stop pin is reset after action, a facial line is arranged between the two wire clamping discs, the tower spring is compressed under the pressure rod, so that the two wire clamping discs clamp the facial line to form facial line tension, and the compression amount of the;
the sewing material thickness detection assembly comprises a magnetic induction piece, a second mounting plate, a magnetic moving piece and a foot pressing piece;
the magnetic induction piece is fixedly connected with two sides of the mounting plate II, the magnetic driving piece is arranged on the other side of the mounting plate II and is fastened with the upper part of the foot pressing piece part, the magnetic induction piece is connected with an electric cabinet of the control assembly through a lead, and the control assembly further comprises a liquid crystal screen;
furthermore, the optical axis of the stepping motor is sleeved with a first mounting plate, and the first mounting plate is fixedly connected with the shell of the sewing machine.
Furthermore, the outer wall of the driven piece is sleeved with a limiting plate, so that the driven piece is limited to rotate, the pressure rod and the driven piece can axially move, and the limiting plate is fixedly arranged on the shell of the sewing machine.
Further, the tip of pressure pole passes through the pin fastening with the limiting plate.
Further, the shaft coupling is a hollow shaft of which the outer wall is provided with a supporting screw hole.
Furthermore, the structure of the wire clamping device bracket is a cylinder with a step center hole, a supporting hole is arranged on the outer wall of the cylinder vertical to the large hole, and an axial through hole is arranged near the outer side of the cylinder.
Further, the wire holder bracket is fastened to the housing.
Furthermore, the liquid crystal screen is fixedly connected on the shell.
Compared with the prior art, the utility model has the advantages as follows:
1. the utility model can intelligently sense and detect the thickness of the sewing material in real time, and intelligently adjust the tension of the upper thread in real time through the thickness of the sewing material, and the stitch of the upper thread is always kept stable;
2. the facial line tension adjusting parameter of the utility model is visual and simple to adjust;
3. the utility model discloses make the trimming thread end shorter, very big saved sewing product preparation process, promote sewing product production efficiency, whole sewing process line mark is stable pleasing to the eye.
Description of the drawings:
FIG. 1 is a schematic view of the assembly of the present invention;
FIG. 2 is a schematic view of the upper thread tension assembly mechanism of the present invention;
FIG. 3 is a schematic view of the split structure of the upper thread tension assembly of the present invention;
FIG. 4 is a schematic view of the sewing material thickness detecting assembly mechanism of the present invention;
FIG. 5 is a schematic view of the structure of the sewing material thickness detecting assembly of the present invention;
FIG. 6 is a schematic view of the mechanism of the control assembly of the present invention;
FIG. 7 is a schematic diagram of the structure of the mounting plate of the present invention;
fig. 8 is a schematic view of the coupling structure of the present invention;
FIG. 9 is a schematic view of the structure of the stop pin of the present invention;
fig. 10 is a schematic structural view of the wire clamping device bracket of the present invention;
FIG. 11 is a schematic view of the structure of the wire clamping rod of the present invention;
FIG. 12 is a schematic view of the magnetic moving part of the present invention;
in the figure: description of reference numerals: 1-an upper thread tension assembly, 2-a sewing material thickness detection assembly and 3-a control assembly;
1-1 stepping motor, 1-2 mounting plates I, 1-3 couplers, 1-4 lead screw transmission rods, 1-5 driven parts, 1-6 limiting plates, 1-7 stopping pins, 1-8 reset tower springs, 1-9 thread clamping brackets, 1-10 take-up springs, 1-11 thread clamping rods, 1-12 thread clamping disks, 1-13 shields, 1-14 tower springs, 1-15 pressure rods and 1-16 upper threads;
2-1 magnetic induction parts, 2-2 mounting plates II, 2-3 magnetic parts, 2-4 presser foot parts, 2-5 sewing materials, 2-6 needle plates and 2-7 magnetic blocks;
3-1 electric control box and 3-2 liquid crystal screen.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The utility model provides an intelligent facial line tension adjusting device (see the figures 1-3), which comprises a facial line tension component 1, a sewing material thickness detection component 2 and a control component 3;
the upper thread tension component 1 comprises a stepping motor 1-1, a mounting plate I1-2, a coupler 1-3, a transmission rod 1-4, a driven part 1-5, a limiting plate 1-6, a stop pin 1-7, a reset tower spring 1-8, a thread clamping bracket 1-9, a take-up spring 1-10, a thread clamping rod 1-11, a thread clamping disc 1-12, a shield 1-13, a tower spring 1-14 and a pressure rod 1-15;
the mounting plate I1-2 is structurally characterized in that connecting lugs extend out of the right side and the lower side, a large round hole is formed in the center, and the connecting lugs are connected with the shell, as shown in fig. 8;
the structure of the coupling 1-3 is a hollow shaft with a support screw hole on the outer wall, as shown in fig. 8;
the structure of the stop pin 1-7 is a slender shaft with a thin disc at one end, and the thin disc is provided with a through hole, as shown in fig. 10;
the structure of the wire clamping device bracket 1-9 is a cylindrical part with a step center hole, a support hole is arranged on the cylindrical outer wall vertical to the large hole, and an axial through hole is arranged near the outer side of the cylinder, as shown in fig. 10;
the structure of the wire clamping rod 1-11 is a stepped shaft part with a through hole in the center, as shown in fig. 11;
the stepping motor 1-1 is fastened on the mounting plate 1-2 through a screw, the mounting plate 1-2 is fixedly connected on a machine shell, an optical axis of the stepping motor 1-1 is sleeved in a hole at one end of the coupler 1-3 and is supported through a supporting screw, a transmission rod 1-4 is sleeved in a hole at the other end of the coupler 1-3 and is supported through the supporting screw, so that the transmission rod 1-4 can synchronously rotate with the stepping motor 1-1, one end of the driven member 1-5 and one end of the transmission rod 1-4 are matched through a screw rod nut, the other end of the driven member 1-4 is fastened with the pressure rod 1-15 through a pin, the limiting plate 1-6 is fixedly connected on the machine shell, a driven member 1-5 is sleeved in a hole of the limiting plate 1-6, so that the driven member 1-5 is limited to rotate, and the, the stop pin 1-7 is sleeved on the pressure rod 1-15 through a thin disc large hole, the slender shaft is sleeved in a through hole of the wire clamp bracket 1-9 close to the outer side of the shaft and can axially move along with the driven part 1-5, the reset tower spring 1-8 is sleeved on the pressure rod 1-15 to provide reset force for the stop pin 1-7 to return to the original position, the wire clamp bracket 1-9 is fastened on the machine shell, the wire take-up spring 1-10 and the wire clamp rod 1-11 are sleeved in a central hole, the outer wall of the shaft of the wire clamp rod 1-11 is sleeved in the wire take-up spring 1-10, the pressure rod 1-15 is sleeved in the central hole and is tightly supported through a supporting hole on the wire clamp bracket 1-9, the wire clamp disc 1-12, the shield 1-13 and the tower spring 1-14 are sequentially sleeved on the pressure rod 1-15, the upper thread is positioned between the two thread clamping discs 1-12, the tower springs 1-14 are compressed by the pressure rods 1-15, so that the two thread clamping discs 1-12 clamp the upper thread to form the tension of the upper thread, and the compression amount of the tower springs 1-14 is in direct proportion to the tension of the upper thread, which is shown in figures 2 and 3;
the sewing material thickness detection assembly 2 comprises a magnetic induction piece 2-1, a mounting plate II 2-2, a magnetic driving piece 2-3, a presser foot component 2-4, sewing materials 2-5 and a needle plate 2-6; the needle boards 2-6 are fixedly connected on the floor of the machine shell,
the magnetic part 2-3 is provided with a round hole, and a magnetic block 2-7 is arranged at the position parallel to the round hole;
the sewing material 2-5 is positioned between the presser foot component 2-4 and the needle plate 2-6, the presser foot component 2-4 is sleeved on the shell, the lower part is attached to the sewing material 2-5, the upper part is fastened with the magnetic component 2-3 and moves up and down along with the thickness change of the sewing material 2-5, the mounting plate 2-2 is fixedly connected on the shell, the magnetic induction component 2-1 is fastened on the mounting plate 2-2 by a screw and is connected with the electric cabinet 3-1 by a lead; the change of the thickness of the sewing material 2-5 can enable the magnetic moving part 2-3 to move up and down, so that the magnetic sensing part 2-1 can generate different Hall voltages under the action of Hall effect, and the magnetic sensing part 2-1 can generate a unique corresponding Hall voltage for the sewing material 2-5 with different thicknesses, which is shown in a figure 4 and a figure 5;
the control component 3 comprises an electric cabinet 3-1 and a liquid crystal screen 3-2; the electric cabinet 3-1 is connected with the magnetic sensing piece 2-1 through a lead, receives different Hall voltages, converts the Hall voltages into corresponding sewing material thickness values, simultaneously forms corresponding electronic pulse signals, transmits the sewing material thickness values to the liquid crystal screen 3-2 through a serial data port, controls the rotation of the stepping motor 1-1 through the serial data port by the electronic pulse signals, enables the compression amount of the tower springs 1-13 to change, detects the real-time rotation position of the optical axis of the stepping motor 1-1, and can automatically generate corresponding electronic pulse signals when sewing the sewing materials 2-5 with different thicknesses, further controls the rotation of the stepping motor 1-1 and the compression amount of the tower springs 1-13, and realizes the intelligent regulation of the tension of the facial line; the liquid crystal screen 3-2 is fixedly connected to the shell, can display the thickness of the sewing material 2-5 in real time, is provided with an upper thread tension adjusting icon, and can adjust the upper thread tension by clicking the icon, and is shown in figure 6;
an adjusting method of an intelligent facial line tension adjusting device comprises the following steps: in the sewing process, when the sewing material becomes thicker, the foot pressing part 2-4 and the magnetic moving part 2-3 move upwards, so that the magnetic sensing piece 2-1 generates a unique corresponding Hall voltage, the electric control box 3-1 receives the Hall voltage generated by the magnetic sensing piece 2-1 through a lead and automatically generates a corresponding electronic pulse signal according to the Hall voltage, the forward rotation of the stepping motor 1-1 is controlled by an electronic pulse signal through a serial data port to drive the shaft coupling 1-3 and the transmission rod 1-4 to synchronously rotate in the forward direction, the driven part 1-5 and the pressure rod 1-15 move towards the direction approaching to the stepping motor, the pressure rod 1-15 makes the compression amount of the tower spring 1-14 larger, the clamping force between the two wire clamping discs 1-12 larger, and the tension of the upper threads between the two wire clamping discs 1-12 larger; when the sewing material becomes thinner, the presser foot part 2-4 and the magnetic moving part 2-3 move downwards to enable the magnetic sensing part 2-1 to generate a unique corresponding Hall voltage, the electric cabinet 3-1 receives the Hall voltage generated by the magnetic sensing part 2-1 through a lead and automatically generates a corresponding electronic pulse signal according to the Hall voltage, the reverse rotation of the stepping motor 1-1 is controlled through a serial data port by the electronic pulse signal, the driven part 1-5 and the pressure rod 1-15 move towards the direction far away from the stepping motor, the pressure rod 1-15 enables the compression amount of the tower spring 1-14 to be reduced, the clamping force between the two wire clamping discs 1-12 is reduced, and the tension of the upper wire between the two wire clamping discs 1-12 is also reduced; in the sewing process, when the thickness of the sewing material changes, the tension of the upper thread can be intelligently and independently adjusted, the stability of the stitches of the upper thread is always maintained, and the sewing effect is more attractive.
When a thread is cut, firstly, the stepping motor 1-1 rotates reversely, the driven piece 1-5 and the pressure rod 1-15 move away from the stepping motor rapidly, the stop pin 1-7 moves away from the stepping motor under the pushing of the driven piece 1-5, the slender shaft of the stop pin 1-7 prevents the thread passing part of the take-up spring 1-10 from twisting, the reset tower spring 1-8 is compressed, the tower springs 1-14 recover to a free state, and the two thread clamping discs 1-12 are separated; then the stepping motor 1-1 rotates forward rapidly, the driven part 1-5 and the pressure rod 1-15 move towards the direction approaching the stepping motor rapidly, the stop pin 1-7 also moves towards the direction approaching the stepping motor under the action of the reset tower spring 1-8, the slender shaft of the stop pin 1-7 does not prevent the thread passing part of the take-up spring 1-10 from twisting, the reset tower spring 1-8 restores to a free state, the tower springs 1-14 are compressed, and the two wire clamping discs 1-12 are clamped again;
at any starting time, the electric cabinet 3-1 is connected with the magnetic sensing piece 2-1 through a lead to receive different Hall voltages and convert the Hall voltages into corresponding seam material thickness values, the seam material thickness values are transmitted to the liquid crystal screen 3-2 through the serial data port, the seam material thickness can be directly read on the liquid crystal screen 3-2, and parameters are visual and are displayed visually.
The above is only the preferred embodiment of the present invention, and is not used to limit the protection scope of the present invention, it should be noted that, without departing from the principles of the present invention, the ordinary skilled person in the art can perform a plurality of improvements and decorations thereon, all should be regarded as the protection scope of the present invention.
Claims (8)
1. The utility model provides an intelligence facial line tension adjusting device which characterized in that: comprises a facial line tension component (1), a sewing material thickness detection component (2) and a control component (3);
the facial line tension assembly (1) comprises a stepping motor (1-1) and a stop pin (1-7), wherein the optical axis of the stepping motor (1-1) extends into one end hole of the coupler (1-3) and is supported by a support screw; a screw rod transmission rod (1-4) is sleeved in a hole at the other end of the coupler (1-3) and is supported tightly through a supporting screw, so that the screw rod transmission rod (1-4) and the stepping motor (1-1) synchronously rotate, the other end of the screw rod transmission rod (1-4) is connected with a screw nut of a driven piece (1-5), the other end of the driven piece (1-5) is fastened with a pressure rod (1-15) through a pin, a large hole in a stop pin (1-7) sheet, a wire clamping bracket (1-9), a wire clamping disc (1-12), a protective cover (1-13) and a tower spring (1-14) are sequentially sleeved on the pressure rod (1-15), and a slender shaft with the stop pin (1-7) is inserted into a through hole close to the outer side of the shaft of the wire clamping bracket (1-9), a reset tower spring (1-8) is sleeved on a pressure rod (1-15) between the stop pin (1-7) and the thread clamping device bracket (1-9) to reset the stop pin (1-7) after the action, a facial thread is arranged between the two thread clamping discs (1-12), the tower spring (1-14) is compressed by the pressure rod (1-15) to enable the two thread clamping discs (1-12) to clamp the facial thread to form facial thread tension, and the compression amount of the tower spring (1-14) is in direct proportion to the facial thread tension;
the sewing material thickness detection assembly (2) comprises a magnetic induction piece (2-1), a second mounting plate (2-2), a magnetic driving piece (2-3) and a presser foot component (2-4);
the magnetic induction piece (2-1) is fixedly connected with one side of the second mounting plate (2-2), the magnetic moving piece (2-3) is arranged on the other side of the second mounting plate (2-2) and is fastened with the upper part of the presser foot component (2-4), the magnetic induction piece (2-1) is connected with the electric cabinet (3-1) of the control assembly (3) through a lead, and the control assembly (3) further comprises a liquid crystal screen (3-2).
2. The intelligent facial thread tension adjusting device according to claim 1, characterized in that: the optical axis of the stepping motor (1-1) is sleeved with a first mounting plate (1-2), and the first mounting plate (1-2) is fixedly connected with a sewing machine shell.
3. The intelligent upper thread tension adjusting device according to claim 1 or 2, wherein: the outer wall of the driven piece (1-5) is sleeved with a limiting plate (1-6) so as to limit the rotation of the driven piece (1-5), the pressure rod (1-15) and the driven piece (1-5) can move axially, and the limiting plate (1-6) is fixedly arranged on a shell of the sewing machine.
4. The intelligent facial thread tension adjusting device according to claim 3, characterized in that: the end parts of the pressure rods (1-15) are fastened with the limit plates (1-6) through pins.
5. The intelligent facial thread tension adjusting device according to claim 4, wherein: the shaft coupling (1-3) is a hollow shaft with a tightly supporting screw hole in the outer wall.
6. The intelligent facial thread tension adjusting device according to claim 5, wherein: the structure of the wire clamping device bracket (1-9) is a cylinder with a step center hole, a supporting hole is arranged on the outer wall of the cylinder vertical to the large hole, and an axial through hole is arranged near the outer side of the cylinder.
7. The intelligent facial thread tension adjusting device according to claim 6, wherein: the wire clamping bracket (1-9) is fastened on the machine shell.
8. The intelligent facial thread tension adjusting device according to claim 7, characterized in that: the liquid crystal screen (3-2) is fixedly connected on the shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022010025.3U CN212895340U (en) | 2020-09-15 | 2020-09-15 | Intelligent facial line tension adjusting device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022010025.3U CN212895340U (en) | 2020-09-15 | 2020-09-15 | Intelligent facial line tension adjusting device |
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| CN212895340U true CN212895340U (en) | 2021-04-06 |
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| CN202022010025.3U Active CN212895340U (en) | 2020-09-15 | 2020-09-15 | Intelligent facial line tension adjusting device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113089200A (en) * | 2021-04-08 | 2021-07-09 | 上海富山精密机械科技有限公司 | Intelligent thread tension balancing device and sewing machine |
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2020
- 2020-09-15 CN CN202022010025.3U patent/CN212895340U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113089200A (en) * | 2021-04-08 | 2021-07-09 | 上海富山精密机械科技有限公司 | Intelligent thread tension balancing device and sewing machine |
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