CN223304672U

CN223304672U - Belt clamping mechanism for sewing machine

Info

Publication number: CN223304672U
Application number: CN202422698630.2U
Authority: CN
Inventors: 徐明波
Original assignee: Anhui Aishangyu Fashion Co ltd
Current assignee: Anhui Aishangyu Fashion Co ltd
Priority date: 2024-11-06
Filing date: 2024-11-06
Publication date: 2025-09-05
Anticipated expiration: 2034-11-06

Abstract

The utility model provides a belt clamping mechanism for a sewing machine, which relates to the technical field of sewing machines and comprises a bottom plate, a guide roller and clamping plates, wherein the clamping plates are provided with a clamping mechanism and comprise an upper clamping plate and a lower clamping plate, the upper clamping plate covers the upper part of the lower clamping plate, the upper clamping plate is pulled to move upwards, so that the distance between the upper clamping plate and the lower clamping plate is increased, at the moment, a spring is in a compressed state, a belt of the sewing machine passes through the space between the upper clamping plate and the lower clamping plate, the upper clamping plate is driven to move downwards by the elasticity generated by the spring after the belt is released, the upper clamping plate and the lower clamping plate are mutually closed to clamp the belt of the sewing machine, an adjusting nut is screwed to move at the top end of a first threaded rod, the spring can be further compressed or loosened to adjust the pressure of the upper clamping plate, the belt of the sewing machine is clamped better, and the belt of the sewing machine is straightened, so that people can conveniently use the sewing machine to perform a suture.

Description

Belt clamping mechanism for sewing machine

Technical Field

The utility model relates to the technical field of sewing machines, in particular to a belt clamping mechanism for a sewing machine.

Background

The sewing machine is a machine which uses one or more sewing threads to form one or more types of stitch on the stitch, so that one or more layers of stitch are interwoven or sewn together, the sewing machine can sew fabrics such as cotton, hemp, silk, wool, artificial fiber and the like and products such as leather, plastics, paper and the like, the sewn stitch is neat, beautiful, flat and firm, the sewing speed is high, the use is simple and convenient, and artistic forms such as hand-push embroidery and the like are derived from the stitch;

when a piece of light, thin and easy-to-fold cloth is sewn, a strip-shaped cloth is generally supplemented during sewing in a sewing process, a sewing position is arranged on the strip and the strip is straightened, so that the phenomenon that products are not attractive due to folds at the sewing position is avoided, one end of the strip is directly arranged under a sewing head, an operator needs to continuously use two hands to partially straighten a part to be sewn of the strip in the sewing process, then sews the straightened part, and then manually loads the strip after the sewing, the operation is very delayed, and the sewing efficiency is very low.

Disclosure of utility model

The utility model provides a belt clamping mechanism for a sewing machine, which aims to solve the problems that in the prior art, the parts to be sewn of the belt are partially straightened by two hands, then the straight parts are sewn, the belt is manually fed after being sewn, the operation is very delayed, and the sewing efficiency is very low.

The belt clamping mechanism for the sewing machine comprises a bottom plate, guide rollers and clamping plates, wherein the guide rollers are arranged on the left side of the bottom plate, clamping plates are symmetrically arranged at two ends of the bottom plate, the clamping mechanisms are arranged on the clamping plates, the clamping plates comprise an upper clamping plate and a lower clamping plate, and the upper clamping plate covers the upper side of the lower clamping plate.

The clamping mechanism comprises a first threaded rod, springs and adjusting nuts, wherein the first threaded rod is symmetrically and fixedly connected to two sides of the lower clamping plate, the springs are sleeved on the outer sides of the first threaded rod, the adjusting nuts are connected to the top ends of the springs in a threaded mode, the diameter of each adjusting nut is larger than the inner diameter of each spring, and rotating rollers are connected to the inner portion of the lower clamping plate in a rotating mode.

The lower clamping plate is characterized in that fixing holes are symmetrically formed in two ends of the lower clamping plate, assembling bolts are arranged in the fixing holes, the lower clamping plate is detachably connected with the bottom plate through the assembling bolts, and a limiting mechanism is arranged at the top of the upper clamping plate.

The limiting mechanism comprises a right limiting plate, a left limiting plate, fastening bolts, strip-shaped grooves and a fixing sleeve, wherein the fastening bolts are fixedly connected to the middle of the top of the upper clamping plate, the top of the upper clamping plate is symmetrically and slidingly connected with the right limiting plate and the left limiting plate respectively, the strip-shaped grooves are formed in the right limiting plate and the left limiting plate, and the top ends of the fastening bolts penetrate through the inner parts of the two strip-shaped grooves and are in threaded connection with the fixing sleeve.

The guide roller is characterized in that a connecting plate is symmetrically and fixedly connected to the left side of the bottom plate, a groove is formed in the connecting plate, connecting bolts are symmetrically and fixedly connected to the two ends of the guide roller, and one end of each connecting bolt penetrates through the groove and is in threaded connection with a nut.

The improved structure is characterized in that an empty groove is formed in the bottom plate, a supporting frame is fixedly connected above the empty groove, and an adjusting mechanism is arranged at the top of the supporting frame.

The adjusting mechanism comprises a second threaded rod, a hinge bracket and a limiting roller, wherein the top of the supporting frame is in threaded connection with the second threaded rod, the bottom end of the second threaded rod is rotationally connected with the hinge bracket, and the inner side of the hinge bracket is rotationally connected with the limiting roller.

The upper clamping plate and the lower clamping plate are mutually closed to clamp the belt material of the sewing machine, the adjusting nut is screwed to move at the top end of the first threaded rod, the spring can be further compressed or loosened to adjust the pressure of the upper clamping plate, so that the upper clamping plate can better clamp the belt material of the sewing machine, the belt material of the sewing machine is straightened, and people can conveniently use the sewing machine to stitch the belt material of the sewing machine.

Drawings

FIG. 1 is a front view of the present utility model;

FIG. 2 is a schematic view of a clamping mechanism according to the present utility model;

FIG. 3 is a bottom view of the clamping mechanism of the present utility model;

FIG. 4 is a schematic view of the guide roller structure of the present utility model;

Fig. 5 is a schematic structural view of an adjusting mechanism of the present utility model.

In the figure, 1, a bottom plate; 2, a guide roller, 3, a clamping plate, 4, a hollow groove, 5, a support frame, 6, an upper clamping plate, 7, a lower clamping plate, 8, a first threaded rod, 9, a spring, 10, an adjusting nut, 11, a fixing hole, 12, a right limiting plate, 13, a left limiting plate, 14, a fastening bolt, 15, a strip groove, 16, a fixing sleeve, 17, a rotating roller, 18, a connecting plate, 19, a connecting bolt, 20, a groove, 21, a second threaded rod, 22, a hinged frame, 23 and a limiting roller.

Detailed Description

The present utility model will be further described in detail with reference to the following examples, which are only for the purpose of illustrating the utility model and are not to be construed as limiting the scope of the utility model.

According to the illustration of fig. 1-5, this embodiment provides a strip clamping mechanism for sewing machine, including bottom plate 1, guide roll 2 and splint 3, the left side of bottom plate 1 is equipped with guide roll 2, the both ends symmetry of bottom plate 1 is equipped with splint 3, be equipped with clamping mechanism on splint 3, splint 3 includes punch holder 6 and lower plate 7, punch holder 6 lid closes in the top of lower plate 7, pulls the sewing machine strip to guide roll 2, and in the clamping mechanism that pulls the sewing machine strip to pass two splint 3 again, utilize clamping mechanism to carry out spacingly to the sewing machine strip for with the sewing machine strip straight, make things convenient for people to carry out the suture to it with the sewing machine.

The clamping mechanism comprises a first threaded rod 8, a spring 9 and an adjusting nut 10, the first threaded rod 8 is symmetrically and fixedly connected to the two sides of the lower clamping plate 7, the spring 9 is sleeved on the outer side of the first threaded rod 8, the adjusting nut 10 is connected to the top end of the spring 9 in a threaded mode, the diameter of the adjusting nut 10 is larger than the inner diameter of the spring 9, a rotating roller 17 is rotatably connected to the inner portion of the lower clamping plate 7, the upper clamping plate 6 is pulled to move upwards, the distance between the upper clamping plate 6 and the lower clamping plate 7 is increased, at the moment, the spring 9 is in a compressed state, a belt material of a sewing machine passes through the space between the upper clamping plate 6 and the lower clamping plate 7, the upper clamping plate 6 and the lower clamping plate 7 are mutually closed by the aid of elastic force generated by the spring 9 to clamp the belt material of the sewing machine, the adjusting nut 10 can be screwed on the top end of the first threaded rod 8 to further compress or loosen the spring 9, and the pressure of the upper clamping plate 6 can be used for adjusting the pressure of the upper clamping plate 6 to better clamp the belt material of the sewing machine.

The both ends symmetry of lower plate 7 is equipped with fixed orifices 11, the inside of fixed orifices 11 is equipped with assembly bolt, lower plate 7 can dismantle with bottom plate 1 through assembly bolt and be connected, the top of punch holder 6 is equipped with stop gear, can fix lower plate 7 at the top of bottom plate 1 through assembly bolt for install splint 3 on bottom plate 1.

The limiting mechanism comprises a right limiting plate 12, a left limiting plate 13, fastening bolts 14, strip-shaped grooves 15 and a fixing sleeve 16, the fastening bolts 14 are fixedly connected to the middle of the top of the upper clamping plate 6, the top of the upper clamping plate 6 is symmetrically and slidingly connected with the right limiting plate 12 and the left limiting plate 13 respectively, the strip-shaped grooves 15 are formed in the right limiting plate 12 and the left limiting plate 13, the top ends of the fastening bolts 14 penetrate through the inner parts of the two strip-shaped grooves 15 and are in threaded connection with the fixing sleeves 16, the fixing sleeves 16 at the top ends of the fastening bolts 14 are unscrewed, the fixing sleeves 16 do not press the right limiting plate 12 and the left limiting plate 13 any more, the right limiting plate 12 and the left limiting plate 13 can slide on the top of the upper clamping plate 6, the right limiting plate 12 and the left limiting plate 13 are adjusted to be respectively attached to two sides of a sewing machine belt material, then the fixing sleeves 16 are screwed and locked at the positions of the right limiting plate 12 and the left limiting plate 13 again, the bottom of the sewing machine belt material is attached to a rotating roller 17, and the sewing belt material can move smoothly when the rotating roller 17 can reduce the sewing friction force generated when the sewing belt material moves.

The left side symmetry fixedly connected with connecting plate 18 of bottom plate 1, the inside of connecting plate 18 is equipped with recess 20, the both ends symmetry fixedly connected with connecting bolt 19 of guide roll 2, the inside and threaded connection of recess 20 are run through to connecting bolt 19's one end, with guide roll 2 block in the left side of bottom plate 1 to make the connecting bolt 19 block at guide roll 2 both ends advance the inside of recess 20 of connecting plate 18, later screw up the nut in the outside of connecting bolt 19 for with the installation of guide roll 2 in the left side of bottom plate 1, make sewing machine area material and guide roll 2 laminating, utilize guide roll 2 to carry out the guide to the sewing machine area material.

The inside of bottom plate 1 is equipped with empty slot 4, the top fixedly connected with support frame 5 of empty slot 4, the top of support frame 5 is equipped with adjustment mechanism, adjustment mechanism includes No. two threaded rods 21, articulated frame 22 and spacing roller 23, the top threaded connection of support frame 5 has No. two threaded rods 21, the bottom rotation of No. two threaded rods 21 is connected with articulated frame 22, the inboard rotation of articulated frame 22 is connected with spacing roller 23, passes spacing roller 23's top with the sewing machine area material, twists the positive and negative rotation accessible articulated frame 22 of No. two threaded rods 21 drive spacing roller 23 and reciprocates for the sewing machine area material at the regulation spacing roller 23 top is highly parallel and level with the top of punch holder 6 for the sewing machine area material is straightened the effect better.

This sewing machine's area material clamping mechanism, pulling punch holder 6 upwards moves for punch holder 6 and the interval increase of lower plate 7, spring 9 is in compressed state this moment, pass the sewing machine area material between punch holder 6 and the lower plate 7, utilize the elasticity that spring 9 produced to drive punch holder 6 downwardly moving after the hands-off, punch holder 6 and lower plate 7 are closed each other and are used for pressing from both sides the sewing machine area material, be used for twisting adjusting nut 10 and remove on the top of threaded rod 8, can further compress or relax spring 9, be used for adjusting the pressure of punch holder 6, make punch holder 6 better carry out the centre gripping to the sewing machine area material, be used for making things convenient for people to utilize the sewing machine to carry out the suture to it.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The belt clamping mechanism for the sewing machine comprises a bottom plate (1), guide rollers (2) and clamping plates (3), and is characterized in that the guide rollers (2) are arranged on the left side of the bottom plate (1), the clamping plates (3) are symmetrically arranged at two ends of the bottom plate (1), the clamping mechanisms are arranged on the clamping plates (3), the clamping plates (3) comprise an upper clamping plate (6) and a lower clamping plate (7), and the upper clamping plate (6) covers the upper side of the lower clamping plate (7);

The clamping mechanism comprises a threaded rod (8), a spring (9) and an adjusting nut (10), wherein the threaded rod (8) is fixedly connected to the two sides of the lower clamping plate (7) symmetrically, the spring (9) is sleeved on the outer side of the threaded rod (8), the adjusting nut (10) is connected to the top end of the spring (9) in a threaded manner, the diameter of the adjusting nut (10) is larger than the inner diameter of the spring (9), and a rotating roller (17) is connected to the inner rotation of the lower clamping plate (7).

2. The belt clamping mechanism for a sewing machine according to claim 1, wherein fixing holes (11) are symmetrically formed in two ends of the lower clamping plate (7), assembly bolts are arranged in the fixing holes (11), the lower clamping plate (7) is detachably connected with the bottom plate (1) through the assembly bolts, and a limiting mechanism is arranged at the top of the upper clamping plate (6).

3. The belt clamping mechanism for the sewing machine according to claim 2, wherein the limiting mechanism comprises a right limiting plate (12), a left limiting plate (13), fastening bolts (14), strip-shaped grooves (15) and a fixing sleeve (16), the fastening bolts (14) are fixedly connected to the middle of the tops of the upper clamping plates (6), the tops of the upper clamping plates (6) are symmetrically and slidingly connected with the right limiting plate (12) and the left limiting plate (13) respectively, the strip-shaped grooves (15) are formed in the right limiting plate (12) and the left limiting plate (13), and the tops of the fastening bolts (14) penetrate through the inner parts of the two strip-shaped grooves (15) and are in threaded connection with the fixing sleeve (16).

4. The belt clamping mechanism for a sewing machine according to claim 1, wherein a connecting plate (18) is symmetrically and fixedly connected to the left side of the bottom plate (1), a groove (20) is formed in the connecting plate (18), connecting bolts (19) are symmetrically and fixedly connected to two ends of the guide roller (2), and one end of each connecting bolt (19) penetrates through the groove (20) and is in threaded connection with a nut.

5. The belt clamping mechanism for a sewing machine according to claim 1, wherein a hollow groove (4) is formed in the bottom plate (1), a supporting frame (5) is fixedly connected above the hollow groove (4), and an adjusting mechanism is arranged at the top of the supporting frame (5).

6. The belt clamping mechanism for a sewing machine according to claim 5, wherein the adjusting mechanism comprises a second threaded rod (21), a hinge bracket (22) and a limiting roller (23), the top of the supporting frame (5) is connected with the second threaded rod (21) in a threaded manner, the bottom end of the second threaded rod (21) is rotatably connected with the hinge bracket (22), and the inner side of the hinge bracket (22) is rotatably connected with the limiting roller (23).