CN213172892U

CN213172892U - Thread clamping device of sewing machine

Info

Publication number: CN213172892U
Application number: CN202021151833.5U
Authority: CN
Inventors: 刘�东
Original assignee: Xinjingxiang Tianjin Clothing Co ltd
Current assignee: Xinjingxiang Tianjin Clothing Co ltd
Priority date: 2020-06-19
Filing date: 2020-06-19
Publication date: 2021-05-11
Anticipated expiration: 2030-06-19

Abstract

The utility model discloses a thread tension device of sewing machine relates to sewing machine technical field, which comprises a fixing plate and i, the lower extreme surface of fixed plate is provided with the bottom plate, one side surface of fixed plate is provided with the slide bar, the upper end surface of bottom plate is provided with electric putter, the outer wall of slide bar is provided with fly leaf and fixed plate, the fly leaf is located one side of fixed plate. A thread tension device of sewing machine, through grip block and anti-skidding gasket's setting, grip block and anti-skidding gasket are favorable to carrying out the centre gripping to the sewing thread on the eedle when using, can avoid the sewing thread to drop when using, conveniently sew the use next time when using, through the sliding block with tailor the setting of sword, the sliding block is favorable to tailorring the sewing thread of overlength with tailoring the sword when using, can avoid present needle jack department to produce the line group when using, it is more convenient during the use, the effect of use is better for traditional mode.

Description

Thread clamping device of sewing machine

Technical Field

The utility model relates to a sewing machine technical field, concretely relates to sewing machine's trapping mechanism.

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. After the sewing machine finishes sewing, the sewing thread is generally automatically cut off, but a part of a long thread head of the cut-off sewing thread is reserved on a needle, a thread loop is easily generated at the needle-up position, the needle-up position is inconvenient for next sewing use, and the sewing thread on the needle is easy to fall off and is inconvenient for fixing, so that a thread clamping device of the sewing machine is provided.

SUMMERY OF THE UTILITY MODEL

The main object of the utility model is to provide a thread tension device of sewing machine, can effectively solve the problem among the background art.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a sewing machine's trapping mechanism, includes the mounting panel, the lower extreme surface of mounting panel is provided with the bottom plate, one side surface of mounting panel is provided with the slide bar, the upper end surface of bottom plate is provided with electric putter, the outer wall of slide bar is provided with fly leaf and fixed plate, the fly leaf is located one side of fixed plate, fixed screw has been seted up at the middle part of mounting panel, the fly leaf all is provided with double-layered line structure with one side surface of fixed plate, electric putter's one end surface is provided with servo motor, electric putter's inside is provided with the inner loop pole, the one end surface of inner loop pole is provided with the connecting block, the fly leaf all is provided with the mounting.

Preferably, the thread clamping structure comprises a clamping plate, an anti-slip gasket, a sliding block and a cutting knife, the anti-slip gasket is located on the outer surface of one side of the clamping plate, the sliding block is located on the outer surface of the lower end of the clamping plate, and the cutting knife is located on the outer surface of one side of the sliding block.

Preferably, be provided with the hot-pressing between grip block and the anti-skidding gasket and glue, one side surface fixed connection of one side surface of grip block and anti-skidding gasket is glued through the hot-pressing, the material of anti-skidding gasket is compound rubber, and the anti-skidding gasket surface has anti-skidding line.

Preferably, be provided with the guide rail between grip block and the sliding block, the lower extreme surface of grip block passes through the upper end surface swing joint of guide rail and sliding block, the sliding block with cut and be provided with the rivet between the sword, one side surface of sliding block passes through the rivet and cuts the one end surface fixed connection of sword.

Preferably, be provided with the spout between electric putter and the inner loop pole, electric putter's inner wall passes through the outer wall swing joint of spout and inner loop pole, be provided with fixed screw thread between inner loop pole and the connecting block, the one end surface of inner loop pole can be dismantled with the one end surface of connecting block through fixed screw thread and is connected, and one side surface connection of connecting block other end surface and fly leaf, be provided with linear transmission mechanism between servo motor and the inner loop pole, servo motor is KW horizontal motor.

Preferably, fly leaf and fixed plate all can dismantle with the outer wall of slide bar through the mounting hole and be connected, the fly leaf is the same with the fixed plate size structure, and fly leaf and fixed plate are opposite structure installation, and the fixed plate is fixed at the outer wall of slide bar.

Preferably, the mounting plate and the fixing screw holes are formed by mechanical equipment, and the number of the fixing screw holes is four.

Compared with the prior art, the utility model discloses following beneficial effect has: this thread tension device of sewing machine, setting through grip block and anti-skidding gasket, grip block and anti-skidding gasket are favorable to carrying out the centre gripping to the sewing thread on the eedle when using, can avoid the sewing thread to drop when using, conveniently sew the use next time when using, through the sliding block with cut out the setting of sword, the sliding block is favorable to tailorring the sewing thread of overlength with cutting out the sword when using, can avoid present needle jack department to produce the line group when using, it is more convenient during the use, the effect of use is better for traditional mode.

Drawings

FIG. 1 is a schematic view of the overall structure of a thread clamping device of a sewing machine according to the present invention;

FIG. 2 is a structural diagram of an electric push rod 4 of a thread tension device of the sewing machine of the present invention;

FIG. 3 is a structural diagram of a thread clamping structure 8 of the thread clamping device of the sewing machine according to the present invention;

fig. 4 is a structural view of a movable plate 5 of a thread tension device of a sewing machine according to the present invention.

In the figure: 1. mounting a plate; 2. a base plate; 3. a slide bar; 4. an electric push rod; 5. a movable plate; 6. a fixing plate; 7. fixing screw holes; 8. a wire clamping structure; 801. a clamping plate; 802. an anti-slip gasket; 803. a slider; 804. a cutting knife; 9. a servo motor; 10. an inner loop bar; 11. connecting blocks; 12. and (7) installing holes.

Detailed Description

In order to make the technical means, the creation features, the achievement purposes and the functions of the present invention easy to understand, the present invention will be further explained below with reference to the following embodiments and the accompanying drawings, but the following embodiments are only the preferred embodiments of the present invention, and not all embodiments are included. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative work belong to the protection scope of the present invention.

Specific embodiments of the present invention will be described below with reference to the accompanying drawings.

As shown in fig. 1 to 4, a thread clamping device of a sewing machine includes a mounting plate 1, a bottom plate 2 is disposed on an outer surface of a lower end of the mounting plate 1, a slide rod 3 is disposed on an outer surface of one side of the mounting plate 1, an electric push rod 4 is disposed on an outer surface of an upper end of the bottom plate 2, a movable plate 5 and a fixed plate 6 are disposed on an outer wall of the slide rod 3, the movable plate 5 is located on one side of the fixed plate 6, a fixed screw hole 7 is formed in a middle of the mounting plate 1, thread clamping structures 8 are disposed on outer surfaces of one sides of the movable plate 5 and the fixed plate 6, a servo motor 9 is disposed on an outer surface of one end of the electric push rod 4, an inner loop bar 10 is disposed inside the electric.

Further, the thread clamping structure 8 comprises a clamping plate 801, an anti-slip gasket 802, a sliding block 803 and a cutting knife 804, the anti-slip gasket 802 is located on the outer surface of one side of the clamping plate 801, the sliding block 803 is located on the outer surface of the lower end of the clamping plate 801, the cutting knife 804 is located on the outer surface of one side of the sliding block 803, the clamping plate 801 is beneficial to clamping the sewing thread on the machine needle when in use, the sewing thread can be prevented from falling off when in use, and the sewing can be conveniently used for next time when in use.

Further, hot-pressing glue is arranged between the clamping plate 801 and the anti-slip gasket 802, the outer surface of one side of the clamping plate 801 is fixedly connected with the outer surface of one side of the anti-slip gasket 802 through the hot-pressing glue, the anti-slip gasket 802 is made of composite rubber, anti-slip lines are arranged on the surface of the anti-slip gasket 802, and the anti-slip gasket 802 can be prevented from falling off when the anti-slip gasket 802 is used.

Furthermore, a guide rail is arranged between the clamping plate 801 and the sliding block 803, the outer surface of the lower end of the clamping plate 801 is movably connected with the outer surface of the upper end of the sliding block 803 through the guide rail, a rivet is arranged between the sliding block 803 and the cutting knife 804, the outer surface of one side of the sliding block 803 is fixedly connected with the outer surface of one end of the cutting knife 804 through the rivet, the cutting knife 804 is beneficial to cutting overlong sewing threads when in use, the thread coil at the existing needle lifting position can be avoided when in use, and the use is more convenient.

Further, be provided with the spout between electric putter 4 and the inner loop pole 10, the outer wall swing joint of spout and inner loop pole 10 is passed through to electric putter 4's inner wall, be provided with fixed screw thread between inner loop pole 10 and the connecting block 11, the one end surface of inner loop pole 10 can be dismantled through fixed screw thread and the one end surface of connecting block 11 and be connected, and one side surface connection of connecting block 11 other end surface and fly leaf 5, be provided with linear transmission mechanism between servo motor 9 and the inner loop pole 10, servo motor 9 is the horizontal motor of KW, electric putter 4 is favorable to promoting fly leaf 5 to remove to fixed plate 6 when using.

Further, movable plate 5 and fixed plate 6 all can dismantle through mounting hole 12 and slide bar 3's outer wall and be connected, and movable plate 5 is the same with fixed plate 6's size structure, and movable plate 5 and fixed plate 6 are the opposite structure installation, and fixed plate 6 fixes the outer wall at slide bar 3, and slide bar 3 is of value to carrying out fixed mounting to movable plate 5 and fixed plate 6.

Further, the mounting plate 1 and the fixing screw holes 7 are formed by mechanical equipment, the number of the fixing screw holes 7 is four, and the fixing screw holes 7 are beneficial to fixing and mounting the mounting plate 1.

It should be noted that, the utility model relates to a thread clamping device of sewing machine, when using, the fixed screw 7 of accessible is with mounting panel 1 fixed mounting on sewing machine head, and be in sewing machine head's the rear of dialling the line structure, after accomplishing to make up, can dial the sewing thread after tailorring to between fly leaf 5 and fixed plate 6, promote fly leaf 5 through electric putter 4 and remove to fixed plate 6, make grip block 801 accomplish the centre gripping to the sewing thread, anti-skidding gasket 802 can avoid the sewing thread to drop when the centre gripping, when the sewing thread of reserving is too long, accessible guide rail promotes sliding block 803, make sliding block 803 drive and tailor sword 804 and carry out the bisection, make the sewing thread of overlength decide, can avoid producing the clew of thread when using, convenient sewing use of next time when using, and is comparatively practical.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A thread tension device of a sewing machine comprises a mounting plate (1), and is characterized in that: a bottom plate (2) is arranged on the outer surface of the lower end of the mounting plate (1), a slide bar (3) is arranged on the outer surface of one side of the mounting plate (1), the outer surface of the upper end of the bottom plate (2) is provided with an electric push rod (4), the outer wall of the slide rod (3) is provided with a movable plate (5) and a fixed plate (6), the movable plate (5) is positioned at one side of the fixed plate (6), the middle part of the mounting plate (1) is provided with a fixed screw hole (7), the outer surfaces of one sides of the movable plate (5) and the fixed plate (6) are respectively provided with a wire clamping structure (8), a servo motor (9) is arranged on the outer surface of one end of the electric push rod (4), an inner loop bar (10) is arranged inside the electric push rod (4), a connecting block (11) is arranged on the outer surface of one end of the inner loop bar (10), and mounting holes (12) are formed in the middle parts of the movable plate (5) and the fixed plate (6).

2. The thread tension device of a sewing machine according to claim 1, wherein: the wire clamping structure (8) comprises a clamping plate (801), an anti-slip gasket (802), a sliding block (803) and a cutting knife (804), the anti-slip gasket (802) is located on the outer surface of one side of the clamping plate (801), the sliding block (803) is located on the outer surface of the lower end of the clamping plate (801), and the cutting knife (804) is located on the outer surface of one side of the sliding block (803).

3. The thread tension device of a sewing machine according to claim 2, wherein: be provided with the hot-pressing between grip block (801) and anti-skidding gasket (802) and glue, one side surface of grip block (801) is glued through the hot-pressing and is connected with one side surface fixed connection of anti-skidding gasket (802), the material of anti-skidding gasket (802) is compound rubber, and anti-skidding gasket (802) surface has anti-skidding line.

4. The thread tension device of a sewing machine according to claim 3, wherein: be provided with the guide rail between grip block (801) and sliding block (803), the lower extreme surface of grip block (801) passes through the upper end surface swing joint of guide rail and sliding block (803), sliding block (803) and cut and be provided with the rivet between sword (804), one side surface of sliding block (803) passes through the rivet and cuts the one end surface fixed connection of sword (804).

5. The thread tension device of a sewing machine according to claim 1, wherein: be provided with the spout between electric putter (4) and interior loop bar (10), the outer wall swing joint of spout and interior loop bar (10) is passed through to the inner wall of electric putter (4), be provided with fixed screw between interior loop bar (10) and connecting block (11), the one end surface of interior loop bar (10) can be dismantled through the one end surface of fixed screw and connecting block (11) and be connected, and one side surface connection of connecting block (11) other end surface and fly leaf (5), be provided with sharp drive mechanism between servo motor (9) and interior loop bar (10), servo motor (9) are KW horizontal motor.

6. The thread tension device of a sewing machine according to claim 1, wherein: fly leaf (5) and fixed plate (6) all can be dismantled with the outer wall of slide bar (3) through mounting hole (12) and be connected, fly leaf (5) are the same with the size structure of fixed plate (6), and fly leaf (5) and fixed plate (6) are opposite structure installation, and fixed plate (6) are fixed at the outer wall of slide bar (3).

7. The thread tension device of a sewing machine according to claim 1, wherein: the mounting plate (1) and the fixing screw holes (7) are formed by being formed through mechanical equipment, and the number of the fixing screw holes (7) is four.