CN213866793U - Precise compensation mechanism for needle pitch in sewing machine - Google Patents
Precise compensation mechanism for needle pitch in sewing machine Download PDFInfo
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- CN213866793U CN213866793U CN202022469754.5U CN202022469754U CN213866793U CN 213866793 U CN213866793 U CN 213866793U CN 202022469754 U CN202022469754 U CN 202022469754U CN 213866793 U CN213866793 U CN 213866793U
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- clamp plate
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Abstract
The utility model discloses a needle pitch precision compensation mechanism in sewing machine, which comprises a frame, the eedle is installed to the frame bottom, the frame bottom is close to the eedle and installs the support, the locating piece is installed at support side top, the locating piece bottom is equipped with the bracing piece, be equipped with the spout on the support, the bracing piece is equipped with the slider in the spout, the locating piece is equipped with through connection's screw rod, the screw rod rotates with the bracing piece to be connected, the clamp plate is installed to the bracing piece bottom. The utility model discloses in, carrying out the cloth and making up, the compression roller and the driving roller of clamp plate bottom can carry out the shift register to the cloth, and support bottom both ends are close to the eedle and install speedtransmitter, and speedtransmitter feeds back the speed of cloth motion, through the rotation rate of driver one and two control motor of driver one and motor two, and then make the cloth be at the uniform velocity motion, and then form the self feedback to reach the effect to gauge needle size compensation.
Description
Technical Field
The utility model relates to a sewing machine technical field especially relates to a gauge needle precision compensation mechanism among sewing machine.
Background
A sewing machine is a machine that uses one or more sewing threads to form one or more stitches in a material to be sewn, thereby interweaving or stitching one or more layers of material. The sewing machine can sew fabrics such as cotton, hemp, silk, wool, artificial fiber and the like and products such as leather, plastic, paper and the like, and the sewed stitches are neat, beautiful, flat and firm, the sewing speed is high, and the use is simple and convenient. And derives the artistic forms of hand-push embroidery, computer embroidery, etc.
Most of the existing sewing machines are manually controlled to move to sew, so that the cloth can have different needle pitches, the appearance is attractive, defective products are generated, resources are wasted, time is wasted, and therefore the fine needle pitch compensation mechanism for the sewing machines is provided.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a: in order to solve the problem of different stitch sizes of the existing sewing machine, the provided stitch size precision compensation mechanism in the sewing machine is provided.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a precise compensation mechanism for needle pitch in a sewing machine comprises a frame, wherein a needle is installed at the bottom of the frame, a thread hole is formed in the bottom of the needle, a support is installed at the bottom of the frame close to the needle, a positioning block is installed at the top of the side face of the support, a supporting rod is arranged at the bottom of the positioning block, a sliding groove is formed in the support, a sliding block is arranged in the sliding groove through the supporting rod, a screw rod penetrating and connecting is arranged on the positioning block and rotatably connected with the supporting rod, a pressing plate is installed at the bottom of the supporting rod, a first motor is installed at one end of the pressing plate, a first driver is installed on the supporting rod at the top of the first motor, a sewing table is arranged at the bottom of the pressing plate, a first rotating rod is installed at the bottom of the pressing plate, a first compression roller is fixed on the first rotating rod, a first belt is arranged at an output shaft of the first motor and connected with the first rotating rod, a second rotating rod is installed at the other end of the pressing plate, the second rotating roller is fixedly connected to the second rotating rod, the second motor is arranged at the top of the other end of the pressing plate, a second belt is arranged on an output shaft of the second motor and connected with the second rotating rod, the pressing plate is close to the second motor and provided with a second driver, and two ends of the bottom of the support are close to the needle and provided with a speed sensor.
As a further description of the above technical solution:
the first motor and the second motor are servo motors.
As a further description of the above technical solution:
and a spring is arranged at the bottom of the screw rod.
As a further description of the above technical solution:
the top of the screw rod penetrates through the positioning block and is provided with a knob.
As a further description of the above technical solution:
the first driver and the support plate are connected with the second driver and the pressure plate through bolts.
As a further description of the above technical solution:
the first gear and the second gear are bevel gears.
To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:
1. the utility model discloses in, carrying out the cloth and making up, the compression roller and the driving roller of clamp plate bottom can carry out the shift register to the cloth, and support bottom both ends are close to the eedle and install speedtransmitter, and speedtransmitter feeds back the speed of cloth motion, through the rotation rate of driver one and two control motor of driver one and motor two, and then make the cloth be at the uniform velocity motion, and then form the self feedback to reach the effect to gauge needle size compensation.
2. The utility model discloses in, the bolt is rotatory, is equipped with the spout on the support, and the bracing piece is equipped with the slider in the spout, makes the backup pad go up and down, and clamp plate and backup pad fixed connection, and then the screw rod is rotatory, and the clamp plate is also going up and down to the cloth that adaptable thickness is different.
Drawings
Fig. 1 is a schematic front sectional view of a compensation mechanism according to an embodiment of the present invention;
fig. 2 shows a schematic structural diagram of a test cross-section of a compensation mechanism provided according to an embodiment of the present invention.
Illustration of the drawings:
1. a support; 2. a needle; 3. a slider; 4. positioning blocks; 5. a knob; 6. a screw; 7. a first driver; 8. a support bar; 9. a first motor; 10. a wire hole; 11. a chute; 12. a first belt; 13. pressing a plate; 14. a first compression roller; 15. a second compression roller; 16. a suture station; 17. a frame; 18. a second motor; 19. a rotating roller; 20. a second belt; 21. rotating the first rod; 22. rotating the second rod; 23. a second driver; 24. a speed sensor; 25. a spring.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1-2, the present invention provides a technical solution: a precise compensation mechanism for needle pitch in a sewing machine comprises a frame 17, the frame 17 is connected with the sewing machine, a needle 2 is installed at the bottom of the frame 17, a thread hole 10 is formed in the bottom of the needle 2, a support 1 is installed at the bottom of the frame 17 close to the needle 2, a positioning block 4 is installed at the top of the side face of the support 1, a supporting rod 8 is arranged at the bottom of the positioning block 4, a sliding groove 11 is formed in the support 1, a sliding block 3 is arranged in the sliding groove 11 of the supporting rod 8, a threaded rod 6 which is in penetrating connection is arranged on the positioning block 4, the threaded rod 6 is rotatably connected with the supporting rod 8, a pressing plate 13 is installed at the bottom of the supporting rod 8, a motor I9 is installed at one end of the pressing plate 13, a driver I7 is installed on the supporting rod 8 at the top of the motor I9, a sewing table 16 is arranged at the bottom of the pressing plate 13, a rotating rod I21 is installed at the bottom of the pressing plate 13, a pressing roller I14 is fixed on the rotating rod I21, a belt I12 is arranged on an output shaft of the motor I21 and is connected with the rotating rod I21, the other end of the pressing plate 13 is provided with a rotating rod II 22, the rotating rod II 22 is fixedly connected with a rotating roller 19, the top of the other end of the pressing plate 13 is provided with a motor II 18, an output shaft of the motor II 18 is provided with a belt II 20 to be connected with the rotating rod II 22, the pressing plate 13 is provided with a driver II 23 close to the motor II 18, two ends of the bottom of the support 1 are close to the needle 2 to be provided with a speed sensor 24, and the rotating rod I21 and the rotating rod II 22 are rotatably connected with the pressing plate 13.
Specifically, as shown in fig. 1 and 2, the first motor 9 and the second motor 18 are servo motors, and the servo motors can change speed with high accuracy.
Specifically, as shown in fig. 1, a spring 25 is arranged at the bottom of the screw 6, the spring 25 is rotatably connected with the bottom of the inner cavity of the support rod 8, and the spring 25 enables the pressing plate 13 to press the cloth.
Specifically, as shown in fig. 1, a knob 5 is installed on the top of the screw rod 6 penetrating through the positioning block 4, so that the screw rod 6 can be conveniently rotated.
Specifically, as shown in fig. 1 and 2, a second compression roller 15 which is rotatably connected is arranged at the top of the sewing platform 16 close to the first compression roller 14 and the rotating roller 19, so that the friction force between the cloth and the sewing platform 16 is reduced.
Specifically, as shown in fig. 1, the first driver 7 and the support rod 8, and the second driver 23 and the pressing plate 13 are connected through bolts, so that the installation and the maintenance are convenient.
The working principle is as follows: when the sewing machine is in use, cloth is placed under the sewing table 16, the knob 5 is rotated to enable the screw rod 6 to rotate, the supporting rod 8 is connected with the screw rod 6 in a rotating mode, the sliding groove 11 is formed in the support 1, the sliding block 3 is arranged in the sliding groove 11 of the supporting rod 8, then the supporting rod 8 descends, the cloth is pressed tightly against the sewing table 16 through the pressing plate 13, when the sewing machine operates, the first motor 9 and the second motor 18 operate to control the movement of the cloth, the speed sensors 24 are distributed on two sides of the sewing needle 2, the first driver 7 is controlled to control the movement speed of the first motor 9 and control the size of a needle pitch, the speed sensors 24 measure the movement speed and feedback of the two sides of the sewing needle 2, the second driver 23 is controlled to change the rotating speed of the second motor 18, the speed sensors 24 measure the movement speed of the cloth on the two sides of the sewing needle 2 to be the same, and accurate self-compensation can be achieved.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (6)
1. The precise compensation mechanism for the needle pitch in the sewing machine comprises a frame (17) and is characterized in that a needle (2) is installed at the bottom of the frame (17), thread holes (10) are formed in the bottom of the needle (2), a support (1) is installed at the bottom of the frame (17) close to the needle (2), a positioning block (4) is installed at the top of the side face of the support (1), a supporting rod (8) is arranged at the bottom of the positioning block (4), a sliding groove (11) is formed in the support (1), a sliding block (3) is arranged in the sliding groove (11) of the supporting rod (8), a screw rod (6) in penetrating connection is arranged on the positioning block (4), the screw rod (6) is rotatably connected with the supporting rod (8), a pressing plate (13) is installed at the bottom of the supporting rod (8), a first motor (9) is installed at one end of the pressing plate (13), and a first driver (7) is installed at the top of the first motor (9) on the supporting rod (8), clamp plate (13) bottom is equipped with suture platform (16), dwang (21) is installed to clamp plate (13) bottom, be fixed with compression roller (14) on dwang (21), motor (9) output shaft is equipped with belt (12) and is connected with dwang (21), clamp plate (13) other end installation pivoted dwang two (22), fixed connection live-rollers (19) are gone up in dwang two (22), clamp plate (13) other end top is equipped with motor two (18), motor two (18) output shaft is equipped with belt two (20) and is connected with dwang two (22), clamp plate (13) are close to motor two (18) and are equipped with driver two (23), support (1) bottom both ends are close to eedle (2) and install speedtransmitter (24).
2. The mechanism of claim 1, wherein the first motor (9) and the second motor (18) are servo motors.
3. The mechanism for precisely compensating the needle pitch in a sewing machine according to claim 1, wherein a spring (25) is provided at the bottom of the screw (6).
4. The fine gauge compensation mechanism of sewing machine according to claim 1, wherein the top of the screw (6) is provided with a knob (5) through the positioning block (4).
5. The fine gauge compensation mechanism in sewing machine according to claim 1, wherein the top of the sewing table (16) is provided with a second pressure roller (15) rotatably connected near the first pressure roller (14) and the rotating roller (19).
6. The mechanism for precisely compensating the needle pitch in a sewing machine according to claim 1, wherein the first actuator (7) is connected to the support rod (8) and the second actuator (23) is connected to the presser plate (13) by bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022469754.5U CN213866793U (en) | 2020-10-30 | 2020-10-30 | Precise compensation mechanism for needle pitch in sewing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022469754.5U CN213866793U (en) | 2020-10-30 | 2020-10-30 | Precise compensation mechanism for needle pitch in sewing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213866793U true CN213866793U (en) | 2021-08-03 |
Family
ID=77051310
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022469754.5U Active CN213866793U (en) | 2020-10-30 | 2020-10-30 | Precise compensation mechanism for needle pitch in sewing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213866793U (en) |
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2020
- 2020-10-30 CN CN202022469754.5U patent/CN213866793U/en active Active
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