CN215713840U

CN215713840U - Tensioning and positioning device and sewing machine with same

Info

Publication number: CN215713840U
Application number: CN202122169747.8U
Authority: CN
Inventors: 叶慧熙; 鲍碧琴
Original assignee: Yongtai Ruifeng Garment Co ltd
Current assignee: Yongtai Ruifeng Garment Co ltd
Priority date: 2021-09-09
Filing date: 2021-09-09
Publication date: 2022-02-01
Anticipated expiration: 2031-09-09

Abstract

The application discloses tensioning positioner and have device's sewing machine relates to sewing machine's technical field, has improved the great problem of the degree of difficulty when sewing machine sews up processing elasticity trousers, and it sets up on sewing machine, and sewing machine includes frame, board and organism, the frame sets up on ground, the board sets up in the frame top and is connected with the frame, the board is the rectangle, the organism sets up on the board, the organism includes the eedle, including being used for supplying a plurality of tension bars that the elastic cord tensioning back cover was established, a plurality of the tension bar is on a parallel with the length limit setting of board, two of top the tension bar is in on same horizontal plane, the elastic cord cover is located a plurality of back on the tension bar, the lower terminal surface of elastic cord flushes and is located one side of eedle with the up end of board. This application can make the sewing up course of working of elasticity trousers convenient and fast more, and make the department of sewing up more level and smooth.

Description

Tensioning and positioning device and sewing machine with same

Technical Field

The application relates to the technical field of sewing machines, in particular to a tensioning and positioning device and a sewing machine with the same.

Background

A sewing machine is a machine used to interlace or sew one or more layers of material and is widely used in the clothing industry.

Currently, existing sewing machines can sew and process various types of apparel, wherein sewing of the pant product is cumbersome. The staff need with the trousers material flatly spread on the board, place the elastic cord on the trousers material and folding trousers material parcel elastic cord, then sew up the trousers material after folding through the sewing machine, need manually carry out the tensioning with the elastic cord among the sewing machine sewing process, ensure that the elastic cord has the elasticity function after sewing on the trousers material.

In view of the above-mentioned related technologies, the applicant has found that, during the process of sewing the elastic pants, the worker needs to manually tension the elastic band and operate the sewing machine, which makes the sewing process of the elastic pants more troublesome and difficult. Meanwhile, the difference exists in the tensioning degree of the elastic band when the elastic band is manually tensioned, which can lead to the difference in the tightness degree of the sewed elastic trousers.

SUMMERY OF THE UTILITY MODEL

In order to improve the great problem of the degree of difficulty when sewing machine sews processing elasticity trousers, this application provides a tensioning positioning device and has device's sewing machine.

In a first aspect, the present application provides a tensioning and positioning device, which adopts the following technical scheme:

the utility model provides a tensioning positioner, sets up on sewing machine, and sewing machine includes frame, board and organism, the frame sets up on ground, the board sets up in the frame top and is connected with the frame, the board is the rectangle, the organism sets up on the board, the organism includes the eedle, including being used for supplying a plurality of tensioning rods that the cover was established behind the elastic cord tensioning, and is a plurality of tensioning rod is on a parallel with the length limit setting of board, two of top tensioning rod is in on the same horizontal plane, the elastic cord cover is located a plurality of back on the tensioning rod, the lower terminal surface of elastic cord flushes and is located one side of eedle with the up end of board.

Through adopting above-mentioned technical scheme, can be fixed the elastic cord tensioning through the tensioning rod, the elastic cord of the fixed back upper end of elastic cord tensioning is placed with the upper end laminating of board, can make things convenient for the organism to sew up processing with trousers material and elastic cord.

Optionally, still include support frame and bracing piece, the board below is provided with the mount pad along vertical direction, mount pad and board below fixed connection, the support frame level sets up and is on a parallel with the width limit of board, the support frame is connected with the one end that the board was kept away from to the mount pad, the bracing piece is provided with two and connects respectively in the both ends of support frame, the bracing piece is located same vertical plane with the support frame, the tensioning rod is connected with the bracing piece.

Through adopting above-mentioned technical scheme, can make the tensioning rod position be fixed in the both sides on board length limit, make the tensioning rod can not take place to remove under the effect of elastic cord tensioning force position.

Optionally, the tension rod is cylindrical in shape, the tension rod is rotatably connected with the support rod, and the rotation shaft and the axis of the tension rod are located on the same straight line.

Through adopting above-mentioned technical scheme, the elastic cord of tensioning on the tensioning lever and trousers material can be transported through the rotation of tensioning lever, makes things convenient for the staff to remove trousers material and elastic cord when sewing up man-hour.

Optionally, the one end that is close to the bracing piece on the tensioning rod is equipped with the installation department that supplies the elastic cord tensioning to place, the one end of keeping away from the bracing piece on the tensioning rod is equipped with spacing portion, the radial dimension of spacing portion is greater than the radial dimension of installation department.

Through adopting above-mentioned technical scheme, can make the elastic cord position on the tensioning rod fixed, can carry on spacingly to the elastic cord simultaneously, prevent that the elastic cord from slipping from the installation department and even coming off from the tensioning rod at the rotation in-process of tensioning rod.

Optionally, a rubber pad for preventing rotation and slipping is further arranged on the tensioning rod.

Through adopting above-mentioned technical scheme, can make elastic cord and the trousers material that is fixed in on the tensioning rod transport with the same speed through the rotation of tensioning rod, reduce the circumstances that the dislocation was sewed up and appears in elastic cord and trousers material.

Optionally, the number of the tension rods is four, two tension rods are arranged on each support rod, two tension rods on each support rod are respectively arranged at two ends of each support rod in the length direction, intervals exist between elastic belts at the two sides and the lower end of the four support rods and the machine table after the elastic belts are arranged on the four support rods in a tensioning mode, and the elastic belts are arranged on one side, close to the support rods, of the machine needle after the elastic belts are tensioned on the installation portion.

Through adopting above-mentioned technical scheme, can make tensioning belt and trousers material rotate the in-process at the tensioning lever and do not take place the contact with the board, prevent that wearing and tearing from appearing in tensioning belt and trousers material, lie in the one side that quick-witted needle is close to the bracing piece behind the elastic cord tensioning location simultaneously, can make things convenient for trousers material cooperation tensioning belt to place, make things convenient for the staff to carry out subsequent work of sewing up simultaneously.

In a second aspect, the present application further provides a sewing machine, which adopts the following technical scheme:

the utility model provides a sewing machine, includes board, frame and organism, still includes foretell tensioning positioner, the breach has been seted up along vertical direction to the one end of keeping away from the organism on the board, the breach hangs the interval of hanging of placing including supplying the trousers material.

Through adopting above-mentioned technical scheme, can make the tensioning be fixed in the bottom of a trouser leg position of the trousers material on the tensioning positioner and have the space to hang and place, prevent that the bottom of a trouser leg position from taking too much board space behind the trousers material tensioning location, improve the space utilization of board.

Optionally, the breach still includes that two confession bracing pieces set up between the installation region, the board passes through the breach and forms supplementary tensioning boss, the elastic cord tensioning cover is located the tensioning rod on the back, supplementary tensioning boss passes from the centre of elastic cord.

Through adopting above-mentioned technical scheme, can make things convenient for the installation of bracing piece, supplementary tensioning boss can make things convenient for the staff to fix a position the elastic cord tensioning on four tensioning rods simultaneously.

In summary, the present application includes at least one of the following benefits:

1. four tensioning rods are arranged on two sides of the machine table, so that the elastic band and the trousers can be conveniently tensioned and fixed, and meanwhile, the elastic band and the trousers can be conveniently sewn by workers;

2. the four tensioning rods are rotatably connected and are provided with limiting parts and mounting parts, so that the elastic band and the trousers can be conveniently transported and fed, and the position of the elastic band cannot deviate in the transporting and feeding process;

3. the sewing machine is provided with a notch for hanging the trouser leg positions of the trouser materials and an auxiliary tensioning boss for assisting in tensioning and fixing, and therefore workers can conveniently place the trouser materials and tension and fix the elastic band on the tensioning and positioning device.

Drawings

FIG. 1 is a schematic structural diagram of a sewing machine with the tensioning and positioning device according to an embodiment of the application;

FIG. 2 is an exploded view of a tension positioning device in an embodiment of the present application;

FIG. 3 is a cross-sectional view of a sewing machine with the tensioning and positioning device in an embodiment of the present application;

fig. 4 is a cross-sectional view of a tension rod in an embodiment of the present application.

Description of reference numerals: 1. a machine base; 2. a machine platform; 21. a mounting seat; 22. a notch; 221. a suspension section; 222. installing an interval; 23. an auxiliary tensioning boss; 3. a body; 31. a needle; 4. tensioning and positioning means; 41. a support frame; 42. a support bar; 43. a tension rod; 431. a limiting part; 432. an installation part; 4321. a bearing seat; 433. a bearing; 434. a connecting member; 435. a rubber pad; 5. elastic bands; 6. a screw; 7. and a nut.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses a sewing machine with tensioning and positioning device.

Referring to fig. 1, the sewing machine includes a bed 1, a bed 2, and a machine body 3. The bottom and the ground fixed connection of frame 1, 2 fixed connection of board in the top of frame 1, 2 appearances of board are the cuboid, and organism 3 sets up in the one end that the up end of board 2 is close to the width limit.

One end of the machine body 3 close to the tensioning and positioning device 4 is provided with a needle 31 for sewing the sewing material.

Be provided with mount pad 21 on board 2, mount pad 21 sets up and the upper end of mount pad 21 and the lower terminal surface fixed connection of board 2 along vertical direction.

Referring to fig. 1 and 2, the tension positioning device 4 includes a support bracket 41, a support rod 42, and a tension rod 43. The supporting frame 41 is a long strip structure, the supporting frame 41 is in threaded connection with the lower end of the mounting base 21 through a screw 6, the supporting frame 41 is horizontally arranged, and the arrangement direction of the supporting frame 41 is parallel to the width edge of the machine table 2.

Referring to fig. 1 and 3, a gap 22 is formed in the machine table 2 along the vertical direction, and the gap 22 includes an installation section 222 for facilitating installation of the support frame 41, the support rod 42 and the tension rod 43 by a worker. Two installation sections 222 are disposed, the two installation sections 222 are respectively located at two sides of the suspension section 221 in the width direction of the machine 2, and one installation section 222 penetrates through the machine 2 along the width direction of the machine 2.

The support rod 42 is also provided with a screw 6 to lead the support rod 42 to be fixedly connected with the supporting frame 41 through screw threads. Two support rods 42 are provided, wherein both the support rods 42 are located above the support frame 41, and the two support rods 42 are located at two sides of the needle 31 respectively.

Referring to fig. 2 and 3, the support rod 42 is rotatably connected to a tension rod 43, the tension rod 43 is located on one side of the support rod 42 away from the machine body 3, and the tension rod 43 is horizontally disposed and has a rotation axis parallel to the length of the machine base 2. Two tension rods 43 are arranged on each support rod 42, and the two tension rods 43 on the same support rod 42 are respectively positioned at two ends of the support rod 42. The tension rods 43 on the two support rods 42 are opposite to each other, and the distance between two tension rods 43 on the same support rod 42 is the same as the distance between two tension rods 43 on the other support rod 42.

Referring to fig. 2 and 4, the tension rod 43 is a cylindrical structure, a mounting portion 432 for placing the elastic band 5 in a tensioned manner is provided at an end of the tension rod 43 close to the support rod 42, and a limiting portion 431 for preventing the elastic band 5 from sliding off during the rotation of the tension rod 43 is provided at an end of the tension rod 43 away from the support rod 42. The end of the mounting part 432 far away from the limiting part 431 is provided with a bearing seat 4321 for placing a bearing 433, the bearing 433 is rotatably connected with the mounting part 432, and the rotating shaft is the same as the axis of the tension rod 43.

When the elastic band 5 is tensioned and positioned on the tensioning rod 43, one side of the elastic band 5 far away from the machine body 3 is abutted against the limiting part 431. And during the sewing process, the needle 31 is always positioned at the side of the elastic band 5 far away from the machine body 3.

A connecting member 434 is further provided on the bearing 433, and the connecting member 434 is also a cylinder and has the same axis as the axis of the tension rod 43. The connecting piece 434 is arranged in the bearing 433 in a penetrating manner and is fixedly connected with the bearing 433, one end of the connecting piece 434 is positioned in the bearing seat 4321, the other end of the connecting piece 434 is provided with threads, and the connecting piece 434 is in threaded connection with the supporting rod 42 through matching with the nut 7.

The outer surface of the tension rod 43 is also provided with a rubber pad 435 with friction force to prevent the elastic band 5 and the trousers from slipping during the rotation of the tension rod 43.

Referring to fig. 3, when the elastic band 5 is positioned on the four tensioning rods 43 in a tensioned manner, the lower end surface of the upper elastic band 5 is attached to the upper end surface of the machine platform 2, and a gap is formed between the upper end surface of the lower elastic band 5 and the lower end surface of the machine platform 2.

Referring to fig. 1 and 3, the indentation 22 further comprises a hanging section 221. The hanging section 221 is located on one side of the needle 31 away from the support rod 42, and when the trouser is tightly positioned on the four tension rods 43, the trouser leg bottom of the trouser is hung in the hanging section 221.

The hanging section 221 and the two installation sections 222 form an auxiliary tensioning boss 23 on the machine table 2, and after the elastic band 5 and the trousers are tensioned and positioned on the four tensioning rods 43, the auxiliary tensioning boss 23 penetrates through the elastic band 5 and the middle position of the trousers.

In the process of simultaneously tensioning and positioning the elastic band 5 on the four tensioning rods 43, a large pulling force needs to be applied to the elastic band 5, a worker can firstly tension and position the tensioning band 5 on the auxiliary tensioning boss 23, and then tension and position the elastic band 5 on the four tensioning rods 43 one by means of the auxiliary tensioning boss 23.

The implementation principle of a tensioning and positioning device and a sewing machine with the same is as follows:

firstly, the elastic band 5 is sleeved on the auxiliary tensioning boss 23, then the elastic band 5 is pulled to extend towards one side direction of the auxiliary tensioning platform, then the elastic band 5 and the two tensioning rods 43 on the same supporting rod 42 are tensioned and positioned, then the elastic band 5 is pulled to extend towards the other side direction of the auxiliary tensioning platform, and then the elastic band 5 and the two tensioning rods 43 on the other supporting rod 42 are tensioned and positioned. The elastic band 5 is tensioned and positioned on the installation part 432 and abutted to the limiting part 431, then the trousers are sleeved on the four tensioning rods 43, the trousers are folded to wrap the elastic band 5, the bottoms of the trousers are hung in the hanging area 221, then the positions needing to be sewn on the trousers are sewn through the machine needle 31, and the sewing process pushes the elastic band 5 and the trousers to move and transport the materials.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a tensioning positioner, sets up on sewing machine, and sewing machine includes frame (1), board (2) and organism (3), frame (1) sets up on ground, board (2) set up in frame (1) top and are connected with frame (1), board (2) are the rectangle, organism (3) set up on board (2), organism (3) include eedle (31), its characterized in that: including a plurality of tensioning rod (43) that the cover was established after being used for supplying elastic cord (5) tensioning, a plurality of tensioning rod (43) are on a parallel with the length limit setting of board (2), two of the top tensioning rod (43) are in on the same horizontal plane, a plurality of are located to elastic cord (5) cover back on tensioning rod (43), the lower terminal surface of elastic cord (5) flushes and is located one side of eedle (31) with the up end of board (2).

2. A tension positioning device as defined in claim 1, wherein: still include support frame (41) and bracing piece (42), board (2) below is provided with mount pad (21) along vertical direction, mount pad (21) and board (2) below fixed connection, support frame (41) level sets up and is on a parallel with the width limit of board (2), support frame (41) are kept away from the one end of board (2) with mount pad (21) and are connected, bracing piece (42) are provided with two and connect respectively in the both ends of support frame (41), bracing piece (42) are located same vertical plane with support frame (41), tensioning rod (43) are connected with bracing piece (42).

3. A tension positioning device as defined in claim 2, wherein: the appearance of tensioning rod (43) is the cylinder, tensioning rod (43) are connected and axis of rotation and tensioning rod (43) are located same straight line for rotating with bracing piece (42).

4. A tension positioning device as defined in claim 3, wherein: the one end that is close to bracing piece (42) on tensioning rod (43) is equipped with installation department (432) that supply elastic cord (5) tensioning to place, the one end of keeping away from bracing piece (42) on tensioning rod (43) is equipped with spacing portion (431), the radial dimension of spacing portion (431) is greater than the radial dimension of installation department (432).

5. The tensioning and positioning device according to claim 4, wherein: the tension rod (43) is also provided with a rubber pad (435) for preventing rotation and slipping.

6. The tensioning and positioning device according to claim 4, wherein: tensioning rod (43) are equipped with four altogether, two respectively be equipped with two tensioning rod (43) on bracing piece (42), every two tensioning rod (43) on bracing piece (42) are located bracing piece (42) length direction's both ends respectively, there is the interval between elastic cord (5) and board (2) of back both sides and lower extreme on four bracing pieces (42) are located to elastic cord (5) tensioning cover, elastic cord (5) tensioning is located one side that eedle (31) are close to bracing piece (42) on installation department (432) back elastic cord (5).

7. A sewing machine characterized by: the trousers tensioning and positioning device comprises a machine table (2), a machine base (1), a machine body (3) and the tensioning and positioning device (4) as claimed in any one of claims 1 to 6, wherein a gap (22) is formed in one end, far away from the machine body (3), of the machine table (2) in the vertical direction, and the gap (22) comprises a hanging area (221) for hanging and placing trousers.

8. A sewing machine according to claim 7, wherein: breach (22) still include the installation interval (222) that two confession bracing pieces (42) set up, board (2) form supplementary tensioning boss (23) through breach (22), tensioning cover is located behind on tensioning rod (43) to elastic cord (5), supplementary tensioning boss (23) are passed from the centre of elastic cord (5).