CN216074296U

CN216074296U - Intelligent upper thread clamping device of sewing machine

Info

Publication number: CN216074296U
Application number: CN202122605418.3U
Authority: CN
Inventors: 郝刘霞
Original assignee: Qingzhou Dongming Plastic Co ltd
Current assignee: Qingzhou Dongming Plastic Co ltd
Priority date: 2021-10-28
Filing date: 2021-10-28
Publication date: 2022-03-18
Anticipated expiration: 2031-10-28

Abstract

The utility model discloses an intelligent upper thread clamping device of a sewing machine, which relates to the technical field of sewing machines and comprises a rotating plate and a sleeve provided with an installation block, wherein a first connecting rod is rotatably installed on the inner wall of the installation block, a second connecting rod is rotatably installed in the middle of the inner wall of the first connecting rod, a supporting plate is rotatably installed on the inner wall of the first connecting rod, a lead screw is fixedly installed on the upper surface in the sleeve, the outer wall of the lead screw is connected with a connecting block in a sliding mode, and the lower surface of the connecting block is fixedly connected with a first spring. According to the utility model, the screw connection between the screw rod and the sleeve rod is arranged, so that the support plate is tightly attached to the inner wall of the upper thread cylinder, the upper thread cylinder is fastened, the upper thread cylinder can be easily replaced under the action of the first spring, the stability of the upper thread cylinder when the sewing machine is used is effectively ensured, the sewing quality can be ensured on one hand, and the injury caused by the falling of the upper thread cylinder can be avoided on the other hand.

Description

Intelligent upper thread clamping device of sewing machine

Technical Field

The utility model relates to the technical field of sewing machines, in particular to an intelligent upper thread clamping device of a sewing machine.

Background

The sewing machine is a machine which uses one or more sewing threads to form one or more stitches on a sewing material to enable one or more layers of sewing materials to be interwoven or sewed, and the existing upper thread clamping device is not tight enough when clamping and is easy to loosen.

In chinese utility model patent application no: CN202021836609.X discloses a facial line clamping device of sewing machine, and the structure includes the mainboard, and the back wall fixedly connected with backup pad of mainboard, the preceding wall fixed mounting of backup pad have with the mainboard connecting plate that corresponds from top to bottom, the wall fixed mounting on the mainboard has the spliced pole that the cross section is trapezoidal. This sewing machine's facial suture clamping device, fastening inadequately when carrying out the centre gripping to the facial suture section of thick bamboo, it is not good to produce to become flexible easily and lead to the sewing quality, and the facial suture section of thick bamboo stability is not enough when rotating, arouses the processingquality problem.

Therefore, there is a need for an intelligent needle thread clamping device for a sewing machine to solve the above problems.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model aims to: the utility model provides an intelligent upper thread clamping device of a sewing machine, aiming at solving the problems that the upper thread clamping device of the sewing machine is not fastened enough when clamping an upper thread cylinder, is easy to loose, causes poor sewing quality, has insufficient stability when rotating the upper thread cylinder and causes processing quality problems.

(II) technical scheme

The utility model specifically adopts the following technical scheme for realizing the purpose:

the utility model provides a sewing machine's intelligent facial line clamping device, includes the commentaries on classics board and installs the sleeve of installation piece, the inner wall of installation piece is rotated and is installed the head rod, the inner wall mid-rotation of head rod installs the second connecting rod, the inner wall of head rod is rotated and is installed the backup pad, fixed surface installs the lead screw on telescopic inside, the outer wall sliding connection of lead screw has the connecting block, the lower fixed surface of connecting block is connected with first spring, the outer wall threaded connection of lead screw has the loop bar, the last fixed surface of loop bar installs the turning handle.

Furthermore, the upper surface of the rotating plate is symmetrically and fixedly provided with guide rods, and the outer wall of each guide rod is provided with a sliding block in a sliding manner.

Further, the lower surface of the rotating plate is fixedly provided with a bearing, and the inner wall of the bearing is fixedly provided with a connecting shaft.

Furthermore, a bottom plate is fixedly mounted at one end, far away from the bearing, of the connecting shaft, and a standby rod is fixedly mounted on the upper surface of the bottom plate.

Furthermore, a rectangular block is fixedly mounted on the upper surface of the bottom plate, and a wire guide ring is fixedly mounted on the upper surface of the rectangular block.

Furthermore, the inner wall of the wire ring is provided with a static eliminating device, and the upper surface of the rectangular block is symmetrically and fixedly provided with a mounting plate.

Further, the inner wall of mounting panel rotates installs the regulating plate, the one end rotation of mounting panel is kept away from to the regulating plate installs the axis of rotation.

Further, the outer wall slidable mounting of axis of rotation has the guide ring, the lower surface symmetry fixedly connected with second spring of regulating plate.

(III) advantageous effects

The utility model has the following beneficial effects:

1. according to the utility model, the screw connection between the screw rod and the sleeve rod is arranged, so that the support plate is tightly attached to the inner wall of the upper thread cylinder, the upper thread cylinder is fastened, the upper thread cylinder can be easily replaced under the action of the first spring, the stability of the upper thread cylinder when the sewing machine is used is effectively ensured, the sewing quality can be ensured on one hand, and the injury caused by the falling of the upper thread cylinder can be avoided on the other hand.

2. According to the utility model, by arranging the guide rod and the slide block, the device can be ensured to be more stable when the upper thread cylinder is fastened, on one hand, the stability of the upper thread cylinder during rotation can be effectively ensured, and on the other hand, the thread outlet frequency of the upper thread cylinder can be ensured, so that the phenomenon of uneven sewing caused by too fast rotation of the upper thread cylinder is avoided, and the accuracy of the device is effectively improved.

3. According to the utility model, the degree of tightness of the upper thread can be adjusted by arranging the second spring, the situation that the upper thread is broken when the sewing machine is used can be avoided, static electricity of the upper thread can be reduced by arranging the static removing device, and the working efficiency can be effectively ensured by controlling the tightness of the upper thread by arranging the device.

Drawings

FIG. 1 is a perspective view of the structure of the present invention;

FIG. 2 is a schematic perspective side view of the structure of the present invention;

FIG. 3 is a schematic perspective cross-sectional view of the structure of the present invention;

FIG. 4 is an enlarged view of the structure of the area A in FIG. 1 according to the present invention.

Reference numerals: 1. rotating the plate; 2. a sleeve; 3. mounting blocks; 4. a first connecting rod; 5. a second connecting rod; 6. a support plate; 7. a lead screw; 8. connecting blocks; 9. a first spring; 10. a loop bar; 11. a handle is rotated; 12. a guide bar; 13. a slider; 14. a rectangular block; 15. a wire loop; 16. a static electricity eliminating device; 17. mounting a plate; 18. an adjusting plate; 19. a second spring; 20. a rotating shaft; 21. a guide ring; 22. a base plate; 23. a bearing; 24. a connecting shaft; 25. a standby rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1

Please refer to fig. 1-4, an intelligent upper thread clamping device of a sewing machine, comprising a rotating plate 1 and a sleeve 2 provided with an installation block 3, wherein the inner wall of the installation block 3 is rotatably provided with a first connecting rod 4, the middle part of the inner wall of the first connecting rod 4 is rotatably provided with a second connecting rod 5, the inner wall of the first connecting rod 4 is rotatably provided with a support plate 6, the inside of the sleeve 2 is provided with a lead screw 7, the outer wall of the lead screw 7 is slidably connected with a connecting block 8, the lower surface of the connecting block 8 is fixedly connected with a first spring 9, the outer wall of the lead screw 7 is in threaded connection with a loop bar 10, and the upper surface of the loop bar 10 is fixedly provided with a rotating handle 11.

In this embodiment, through setting up threaded connection between lead screw 7 and loop bar 10, with the outer wall of facial suture section of thick bamboo cover in backup pad 6, through rotating turning handle 11, drive connecting block 8 downstream, simultaneously head rod 4, the angle between the second connecting rod 5 will be more and more littleer, simultaneously backup pad 6 and facial suture section of thick bamboo inner wall closely laminate, make the facial suture section of thick bamboo fastening, effect through first spring 9, when needs change facial suture section of thick bamboo, when rotating turning handle 11, head rod 9 will upwards support connecting block 8, thereby make head rod 4 and second connecting rod 5 resume initial state, just can change a facial suture section of thick bamboo, the stability of a facial suture section of thick bamboo when having guaranteed the sewing machine to use effectively, on the one hand can guarantee the quality of sewing, on the other hand can avoid droing of a facial suture section of thick bamboo to cause the injury.

Example 2

Referring to fig. 1-4, the present embodiment is further optimized based on embodiment 1, specifically, guide rods 12 are symmetrically and fixedly installed on the upper surface of the rotating plate 1, a sliding block 13 is slidably installed on the outer wall of the guide rod 12, and the sliding block 13 and the lower surface of the supporting plate 6 are fixedly installed to ensure the stability of the supporting plate 6 when moving outward.

Specifically, the lower surface fixed mounting who changes board 1 has bearing 23, and the inner wall fixed mounting of bearing 23 has connecting axle 24, and the rotation of bearing 23 is compared in the rotation of facial line section of thick bamboo more steady, and the slew rate amplitude variation is little.

Specifically, a bottom plate 22 is fixedly mounted at one end of the connecting shaft 24, which is far away from the bearing 23, a standby rod 25 is fixedly mounted on the upper surface of the bottom plate 22, the standby rod 25 is used for placing a standby surface thread cylinder, and the bottom plate 22 is fixed on the sewing machine.

In this embodiment, through setting up guide bar 12 and slider 13, can guarantee that the device is more stable when fastening the facial suture section of thick bamboo, through setting up bearing 23, through the drawing to the facial suture, make the facial suture section of thick bamboo drive commentaries on classics board 1 rotate along connecting axle 24 through bearing 23, can guarantee the stability of facial suture section of thick bamboo when rotating effectively on the one hand, on the other hand can guarantee the frequency that the facial suture section of thick bamboo was qualified for the next round of competitions, thereby avoid the facial suture section of thick bamboo to rotate the inhomogeneous phenomenon of sewing that leads to at the excessive speed, the accuracy nature of device has been increased effectively.

Example 3

Referring to fig. 1-4, the present embodiment is optimized based on the

embodiment

1 or 2, specifically, a rectangular block 14 is fixedly mounted on the upper surface of the bottom plate 22, and a wire loop 15 is fixedly mounted on the upper surface of the rectangular block 14.

Specifically, the inner wall of the wire ring 15 is provided with a static removing device 16, the upper surface of the rectangular block 14 is symmetrically and fixedly provided with a mounting plate 17, and the static removing device 16 removes static on the surface of the facial line to avoid the facial line surface from being rusty and influencing the processing image.

Specifically, the inner wall of mounting panel 17 rotates and installs regulating plate 18, and the one end that mounting panel 17 was kept away from to regulating plate 18 rotates and installs axis of rotation 20, and guide ring 21 can also rotate along axis of rotation 20 gliding the time, can adjust according to the position of facial line in real time.

Specifically, the outer wall slidable mounting of axis of rotation 20 has guide ring 21, and the lower surface symmetry fixedly connected with second spring 19 of regulating plate 18, one end and the rectangular block 14 fixed connection that regulating plate 18 was kept away from to second spring 19 prevent that second spring 19 elasticity is too big to lead to regulating plate 18 to overturn.

In this embodiment, through setting up second spring 19, when the facial suture passes through guide ring 21, the sewing machine is inhomogeneous to the pulling force of facial suture, give guide ring 21 with power transmission, remove along axis of rotation 20 through guide ring 21, the regulating plate 18 will push down simultaneously, make second spring 19 compress, and then can adjust the elasticity degree of facial suture, can avoid the cracked condition of facial suture when the sewing machine uses, through setting up destatic equipment 16, can reduce the static that the facial suture originally saved when using, the device set up the elasticity through control facial suture, can effectual assurance work efficiency.

In summary, the following steps: according to the utility model, the upper thread cylinder is fastened, the bearing 23 is used for rotating to replace the rotation of the upper thread cylinder, the support plate 6 is tightly attached to the inner wall of the upper thread cylinder through the threaded connection between the lead screw 7 and the sleeve rod 10, the upper thread cylinder is fastened, the upper thread cylinder can be easily replaced through the action of the first spring 9, the stability of the upper thread cylinder when the sewing machine is used is effectively ensured, on one hand, the sewing quality can be ensured, on the other hand, the injury caused by the falling of the upper thread cylinder can be avoided, the device can be ensured to be more stable when the upper thread cylinder is fastened through the arrangement of the guide rod 12 and the slide block 13, on one hand, the stability of the upper thread cylinder when the upper thread cylinder is rotated can be effectively ensured, on the other hand, the thread outlet frequency of the upper thread cylinder can be ensured, so that the phenomenon of uneven sewing caused by the too fast rotation of the upper thread cylinder is avoided, the accuracy of the device is effectively improved, through the arrangement of the second spring 19, and then can adjust the elasticity degree of facial line, can avoid the cracked condition of facial line of sewing machine when using, through setting up destatic equipment 16, can reduce the facial line and originally economize the static when using, the device's setting is through the elasticity of control facial line, can effectual assurance work efficiency, compares in traditional facial line clamping device, and the device's stability is better, and the practicality is higher.

The above description is only a preferred embodiment of the present invention, and not intended to limit the present invention, and the scope of the present invention is defined by the appended claims, and all structural changes that can be made by using the contents of the description and the drawings of the present invention are intended to be covered by the scope of the present invention.

Claims

1. The utility model provides a sewing machine's intelligence upper thread clamping device, includes commentaries on classics board (1) and installs sleeve (2) of installation piece (3), its characterized in that: the inner wall of installation piece (3) rotates and installs head rod (4), the inner wall middle part of head rod (4) rotates and installs second connecting rod (5), the inner wall of head rod (4) rotates and installs backup pad (6), fixed surface installs lead screw (7) on the inside of sleeve (2), the outer wall sliding connection of lead screw (7) has connecting block (8), the lower fixed surface of connecting block (8) is connected with first spring (9), the outer wall threaded connection of lead screw (7) has loop bar (10), the last fixed surface of loop bar (10) installs turning handle (11).

2. The intelligent upper thread holding device of a sewing machine according to claim 1, characterized in that: the upper surface of the rotating plate (1) is symmetrically and fixedly provided with guide rods (12), and the outer wall of each guide rod (12) is provided with a sliding block (13) in a sliding manner.

3. The intelligent upper thread holding device of a sewing machine according to claim 2, characterized in that: the lower surface fixed mounting of commentaries on classics board (1) has bearing (23), the inner wall fixed mounting of bearing (23) has connecting axle (24).

4. The intelligent upper thread holding device of a sewing machine according to claim 3, characterized in that: one end of the connecting shaft (24) far away from the bearing (23) is fixedly provided with a bottom plate (22), and the upper surface of the bottom plate (22) is fixedly provided with a standby rod (25).

5. The intelligent upper thread holding device of a sewing machine according to claim 4, characterized in that: the upper surface of the bottom plate (22) is fixedly provided with a rectangular block (14), and the upper surface of the rectangular block (14) is fixedly provided with a wire guide ring (15).

6. The intelligent upper thread holding device of a sewing machine according to claim 5, characterized in that: the inner wall of the wire ring (15) is provided with a static removing device (16), and the upper surface of the rectangular block (14) is symmetrically and fixedly provided with a mounting plate (17).

7. The intelligent upper thread holding device of a sewing machine according to claim 6, characterized in that: the inner wall of mounting panel (17) rotates and installs regulating plate (18), the one end rotation of keeping away from mounting panel (17) in regulating plate (18) installs axis of rotation (20).

8. The intelligent upper thread holding device of a sewing machine according to claim 7, characterized in that: the outer wall slidable mounting of axis of rotation (20) has guide ring (21), the lower surface symmetry fixedly connected with second spring (19) of regulating plate (18).