CN210194129U

CN210194129U - Material pressing device and edge sewing machine with same

Info

Publication number: CN210194129U
Application number: CN201920846724.6U
Authority: CN
Inventors: Hui Li; 李辉; Shilong Zhou; 周时龙; Kang Zhang; 张康; Qiaojun Lou; 楼俏军
Original assignee: Zhejiang Zoje Sewing Technology Co Ltd
Current assignee: Zhejiang Zoje Sewing Machine Co Ltd; Zhejiang Zoje Sewing Technology Co Ltd
Priority date: 2019-06-05
Filing date: 2019-06-05
Publication date: 2020-03-27
Anticipated expiration: 2029-06-05

Abstract

The utility model provides a press device and have its limit seam machine, press device includes: a first press frame; the lower end of the rotating shaft is connected with the first pressing frame; the rotating mechanism comprises a rotatable driving shaft, the driving shaft is in driving connection with the rotating shaft so as to drive the rotating shaft to rotate, and the driving shaft and the rotating shaft are coaxially arranged; and the lifting mechanism is in driving connection with the rotating mechanism so as to drive the rotating mechanism to lift. Through the technical scheme provided by the utility model, can improve the stability of press device when the operation.

Description

Material pressing device and edge sewing machine with same

Technical Field

The utility model relates to a sewing machine technical field particularly, relates to a press device and have its limit seam machine.

Background

In the clothing and home textile industry, the requirement on sewing the edge of the cloth is high, the traditional sewing mode is sewing by manually operating a sewing machine, the sewing speed of the method is low, and the sewn product has different stitch specifications due to the limitation of the size and the shape of the cloth, so that the product quality is influenced. And the manual operation has high requirements on the skills of personnel and wastes time and labor. Therefore, the edge sewing machine is developed, and automatic sewing of the cloth edge is realized.

In order to prevent the cloth from being moved at will when sewing, a pressing device is generally used to press the cloth. The pressing device comprises a pressing frame, a rotating shaft connected with the pressing frame and a driving mechanism used for driving the rotating shaft to move, and a driving shaft of the driving mechanism and the rotating shaft transmit motion through a plurality of gear structures, so that a gap is easy to exist, the pressing frame can shake when moving, and sewing quality is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model provides a press device and have its limit seam machine to improve the stability of press device when the operation.

In order to achieve the above object, according to an aspect of the present invention, the utility model provides a pressing device, include: a first press frame; the lower end of the rotating shaft is connected with the first pressing frame; the rotating mechanism comprises a rotatable driving shaft, the driving shaft is in driving connection with the rotating shaft so as to drive the rotating shaft to rotate, and the driving shaft and the rotating shaft are coaxially arranged; and the lifting mechanism is in driving connection with the rotating mechanism so as to drive the rotating mechanism to lift.

Further, the rotation mechanism includes: the lifting mechanism is in driving connection with the first seat body; the first driving part is arranged on the first seat body and comprises a driving shaft; the shaft sleeve is connected with the first seat body, and the driving shaft and the rotating shaft are arranged in the shaft sleeve in a penetrating mode.

Further, the upper end of axle sleeve and the sub-unit connection of first pedestal, rotary mechanism still includes: the shaft coupling is arranged in the shaft sleeve, and the driving shaft is connected with the rotating shaft through the shaft coupling; and the bearing is arranged between the inner wall of the shaft sleeve and the rotating shaft.

Further, the elevating mechanism includes: a second seat body; the second driving part is arranged on the second seat body and is in driving connection with the first seat body to drive the first seat body to lift.

Further, the elevating system still includes: the guide rail is vertically arranged on the second seat body; the sliding block is arranged on the guide rail in a sliding mode and is fixedly connected with the first base body.

Further, the press device still includes: a second pressing frame; the clamping mechanism comprises a first clamping part and a second clamping part, the first clamping part is arranged on one of the first pressing frame and the second pressing frame, the second clamping part is arranged on the other of the first pressing frame and the second pressing frame, and the first clamping part can be clamped with or separated from the second clamping part; under the condition that the first clamping part and the second clamping part are clamped, the first pressing frame and the second pressing frame are connected; under the condition that the first clamping portion and the second clamping portion are separated, the first pressing frame and the second pressing frame are separated.

Further, the second clamping part includes: the third seat body is connected with the other one of the first pressing frame and the second pressing frame and is provided with a limiting groove, and one part of the first clamping part can enter the limiting groove and be separated from the limiting groove; limit structure, telescopically set up on the third pedestal, and under the partly condition that is located the spacing inslot of first joint portion, limit structure and first joint portion butt to prevent that first joint portion from deviating from the spacing groove.

Further, the third seat has the installation cavity, and limit structure telescopically sets up in the installation cavity, and the opening of installation cavity is located the lateral wall of spacing groove, and limit structure's one end can stretch out the opening of installation cavity in order to with first joint portion butt.

Further, limit structure includes: the first limiting piece is connected with the third base body; the second limiting piece is used for abutting against the first clamping part; one end of the elastic piece is connected with the first limiting piece, and the other end of the elastic piece is connected with the second limiting piece.

Further, limit structure is two, and two limit structure can be close to each other or keep away from, and two limit structure are used for carrying on spacingly to first joint portion jointly.

Further, the first clamping portion includes: the fixed seat is connected with one of the first pressing frame and the second pressing frame; the clamping column is connected with the fixing seat and is used for being clamped with the second clamping portion.

Further, the first pressing frame and the second pressing frame are both of a plate-shaped structure, the second pressing frame is provided with an avoiding hole, the outline of the first pressing frame is matched with the outline of the avoiding hole, the first clamping portion is arranged on the periphery of the first pressing frame, and the second clamping portion is arranged on the periphery of the avoiding hole.

Furthermore, first joint portion and second joint portion are a plurality of, and a plurality of first joint portions and a plurality of second joint portion one-to-one set up.

According to the utility model discloses an on the other hand provides a side seam machine, including press device, press device is the press device that the aforesaid provided.

Use the technical scheme of the utility model, set up first pressure frame, pivot, rotary mechanism and elevating system in press device, wherein, drive shaft and pivot drive in the rotary mechanism are connected and rotate in order to drive the pivot, and elevating system is connected with the rotary mechanism drive and goes up and down in order to drive rotary mechanism, through the aforesaid setting, can realize the rotation and the elevating movement of first pressure frame to can push down and rotate the cloth. In this scheme, with the coaxial setting of drive shaft and pivot, can avoid because the motion transmission error and the unstable condition that the clearance of current gear structure caused, first pressure frame can not appear the shake phenomenon when the motion like this, improves the stability of press device when the operation. Moreover, the scheme simplifies the structure of the driving mechanism, is convenient to assemble and manufacture and reduces the production cost.

Drawings

The accompanying drawings, which form a part of the present application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 shows a perspective view of a pressing device according to a first embodiment of the present invention;

fig. 2 shows a plan view of the pressing device in fig. 1;

fig. 3 shows a cross-sectional view of the pressing device in fig. 1;

fig. 4 shows a perspective view of a pressing device provided in the second embodiment of the present invention;

fig. 5 shows an enlarged view of the click mechanism in the pressing device in fig. 4;

fig. 6 shows a cross-sectional view of the clamping mechanism of fig. 5.

Wherein the figures include the following reference numerals:

11. a first press frame; 12. a rotating shaft; 13. a second pressing frame; 20. a rotation mechanism; 21. a drive shaft; 22. a first seat body; 221. a flat plate; 222. a vertical plate; 23. a first driving section; 24. a shaft sleeve; 25. a coupling; 26. a bearing; 27. a limiting ring; 30. a lifting mechanism; 31. a second seat body; 32. a second driving section; 33. a guide rail; 34. a slider; 40. a first clamping part; 41. a fixed seat; 42. a clamping column; 50. a second clamping part; 51. a third seat body; 511. a limiting groove; 52. a limiting structure; 521. a first limit piece; 522. a second limiting member; 523. an elastic member.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

As shown in fig. 1 to fig. 3, an embodiment of the present invention provides a pressing device, including: a first press frame 11; the lower end of the rotating shaft 12 is connected with the first pressing frame 11; the rotating mechanism 20, the rotating mechanism 20 includes the rotatable driving shaft 21, the driving shaft 21 is connected with the spindle 12 in a driving way to drive the spindle 12 to rotate, the driving shaft 21 is arranged coaxially with the spindle 12; the lifting mechanism 30 is in driving connection with the rotating mechanism 20 to drive the rotating mechanism 20 to lift.

By applying the technical scheme of the embodiment, the first pressing frame 11, the rotating shaft 12, the rotating mechanism 20 and the lifting mechanism 30 are arranged in the pressing device, wherein the driving shaft 21 in the rotating mechanism 20 is in driving connection with the rotating shaft 12 to drive the rotating shaft 12 to rotate, and the lifting mechanism 30 is in driving connection with the rotating mechanism 20 to drive the rotating mechanism 20 to lift. In this scheme, with drive shaft 21 and the coaxial setting of pivot 12, can avoid because the motion transmission error and the unstable condition that the clearance of current gear structure caused, first pressure frame 11 can not appear the shake phenomenon when the motion like this, has improved the stability of press device when the operation. Moreover, the scheme simplifies the structure of the mechanism for driving the rotating shaft 12, is convenient to assemble and manufacture and reduces the production cost.

In the present embodiment, the rotation mechanism 20 includes: the first seat 22, the lifting mechanism 30 is in driving connection with the first seat 22; a first driving part 23 disposed on the first seat 22, the first driving part 23 including a driving shaft 21; and a shaft sleeve 24 connected with the first holder 22, wherein the driving shaft 21 and the rotating shaft 12 are arranged in the shaft sleeve 24 in a penetrating way. With the above arrangement, the arrangement of the rotating mechanism 20 can be facilitated. By providing the sleeve 24, the drive shaft 21 and the rotary shaft 12 can be shielded and the assembly of the two can be facilitated. In the present embodiment, the first driving unit 23 is a driving structure in which a motor and a speed reducer are integrated, and the driving shaft 21 is an output shaft of the speed reducer. Through the arrangement, the torque can be increased, and meanwhile, the gap between the teeth can be reduced, so that the rotating motion of the rotating shaft 12 is more stable.

In this embodiment, the upper end of the shaft sleeve 24 is connected to the lower portion of the first housing 22, and the rotating mechanism 20 further includes: the shaft coupling 25 is arranged in the shaft sleeve 24, and the driving shaft 21 is connected with the rotating shaft 12 through the shaft coupling 25; and a bearing 26 disposed between an inner wall of the sleeve 24 and the rotating shaft 12. The coupling 25 is provided to facilitate the connection between the drive shaft 21 and the rotary shaft 12. By providing the bearing 26, it is possible to reduce the resistance of the rotary shaft 12 when rotating and improve the stability of the rotary shaft 12 when rotating.

Specifically, as shown in fig. 3, the bearings 26 are two, and the two bearings 26 include an upper bearing and a lower bearing. The rotating mechanism 20 further comprises a limiting ring 27, and the limiting ring 27 is sleeved on the rotating shaft 12. The lower end face of the retainer ring 27 abuts against the upper end face of the inner race of the upper bearing. The rotating shaft 12 is provided with a first limiting step, and the first limiting step is abutted against the lower end face of the inner ring of the lower bearing. The inner wall of the shaft sleeve 24 is provided with a second limit step and a third limit step, wherein the second limit step is abutted against the upper end face of the outer ring of the lower bearing, and the third limit step is abutted against the lower end face of the outer ring of the upper bearing. Through the arrangement, stable and reliable connection and stable operation of all parts can be realized.

In the present embodiment, the lifting mechanism 30 includes: a second seat 31; the second driving portion 32 is disposed on the second seat 31, and the second driving portion 32 is drivingly connected to the first seat 22 to drive the first seat 22 to move up and down. The second driving portion 32 drives the first seat 22 to ascend and descend, so as to realize the ascending and descending of the rotating mechanism 20 as a whole, and the first pressing frame 11 and the rotating shaft 12.

In the present embodiment, the lifting mechanism 30 further includes: the guide rail 33 is vertically arranged on the second seat body 31; the sliding block 34 is slidably disposed on the guide rail 33, and the sliding block 34 is fixedly connected with the first seat 22. The guide rail 33 and the slider 34 can guide the lifting of the rotating mechanism 20, so that the lifting of the rotating mechanism 20 is smooth.

Specifically, the first seat 22 includes a flat plate 221 and a vertical plate 222, the first driving portion 23 and the shaft sleeve 24 are both disposed on the flat plate 221, and the slider 34 is disposed on the vertical plate 222. The second driving part 32 is a cylinder, and the cylinder is disposed in parallel with the rotation shaft 12. The rod of the cylinder is in driving connection with the plate 221. The two guide rails 33 and the two sliders 34 are provided, one set of the guide rails 33 and the sliders 34 is disposed on one side of the second driving portion 32, and the other set of the guide rails 33 and the sliders 34 is disposed on the other side of the second driving portion 32, so that the lifting stability can be further improved.

As shown in fig. 4 to 6, in the second embodiment of the present invention, the pressing device further includes: a second press frame 13; the clamping mechanism comprises a first clamping portion 40 and a second clamping portion 50, the first clamping portion 40 is arranged on one of the first pressing frame 11 and the second pressing frame 13, the second clamping portion 50 is arranged on the other of the first pressing frame 11 and the second pressing frame 13, and the first clamping portion 40 can be clamped with or separated from the second clamping portion 50; under the condition that the first clamping part 40 and the second clamping part 50 are clamped, the first pressing frame 11 and the second pressing frame 13 are connected; in the case where the first engaging portion 40 and the second engaging portion 50 are disengaged, the first pressure frame 11 and the second pressure frame 13 are separated.

By applying the technical scheme of the embodiment, the first pressing frame 11, the second pressing frame 13 and the clamping mechanism are arranged in the pressing device, so that the first pressing frame 11 and the second pressing frame 13 can be connected through clamping of the first clamping portion 40 and the second clamping portion 50 in the clamping mechanism, and the pressing device presses the material together through the first pressing frame 11 and the second pressing frame 13. When the size of the cloth is changed, the size of the cloth can be adapted by replacing the second press frame 13 of a different size. Because first joint portion 40 and second joint portion 50 are connected through the mode of joint, consequently first joint portion 40 and second joint portion 50 can be conveniently connected fast and break away from, can be convenient for like this first pressure frame 11 and the connection and the dismantlement of second pressure frame 13 to be convenient for change not unidimensional second pressure frame 13. In this embodiment, the pressing device includes a plurality of second pressing frames 13 with different sizes, and the first pressing frame 11 is selectively connected to any one of the plurality of second pressing frames 13.

As shown in fig. 6, the second clip portion 50 includes: the third seat body 51, the third seat body 51 is connected with another one in the first pressure frame 11 and the second pressure frame 13, the third seat body 51 has a spacing groove 511, a part of the first clamping part 40 can enter the spacing groove 511 and be pulled out from the spacing groove 511; limit structure 52, telescopically sets up on third seat 51, and under the partly condition that is located spacing groove 511 of first joint portion 40, limit structure 52 and first joint portion 40 butt to prevent that first joint portion 40 from deviating from spacing groove 511. In this way, the first clamping portion 40 and the second clamping portion 50 can be clamped and separated through the matching of the limiting structure 52, the limiting groove 511 and the first clamping portion 40, so that the first pressing frame 11 and the second pressing frame 13 can be connected and detached.

In this embodiment, the third seat 51 has an installation cavity, the limiting structure 52 is telescopically arranged in the installation cavity, the opening of the installation cavity is located on the side wall of the limiting groove 511, and one end of the limiting structure 52 can stretch out of the opening of the installation cavity to abut against the first clamping portion 40. So that the first clamping portion 40 can be limited by abutting one end of the limiting structure 52 with the first clamping portion 40. When first joint portion 40 need deviate from spacing groove 511, can make first joint portion 40 overcome limit structure 52's elasticity through the external application of force, make limit structure 52 contract to the installation cavity to dodge first joint portion 40, first joint portion 40 can deviate from spacing groove 511 like this.

In this embodiment, the position limiting structure 52 includes: a first limiting member 521, wherein the first limiting member 521 is connected with the third base 51; a second limiting member 522, wherein the second limiting member 522 is used for abutting against the first clamping portion 40; one end of the elastic member 523 is connected to the first limiting member 521, and the other end of the elastic member 523 is connected to the second limiting member 522. Thus, the first limiting member 521 can limit one end of the elastic member 523, and the elastic member 523 can apply pressure to the second limiting member 522 when in a compressed state, so as to press the second limiting member 522 against the first clamping portion 40 for limiting.

In the present embodiment, the first limiting member 521 is screwed to the third base 51, and the second limiting member 522 is a spherical structure. The first limiting member 521 can be easily assembled with the third base 51 by using a threaded connection. Providing the second limiting member 522 as a spherical structure can facilitate contact with the first engaging portion 40.

In this embodiment, the number of the limiting structures 52 is two, the two limiting structures 52 can be close to or far away from each other, and the two limiting structures 52 are used for limiting the first clamping portion 40 together. A portion of the first clamping portion 40 can enter the limiting groove 511 or be separated from the limiting groove 511 through a gap between the two limiting structures 52.

In the present embodiment, the first clip portion 40 includes: a fixing seat 41, the fixing seat 41 being connected to one of the first pressing frame 11 and the second pressing frame 13; and the clamping column 42 is connected with the fixed seat 41, and the clamping column 42 is used for being clamped with the second clamping part 50. At least a part of the clipping column 42 is protrudingly arranged on the fixed seat 41. And is clamped with the second clamping part 50 through the clamping column 42. The snap posts 42 may be configured as cylinders.

In the present embodiment, the first pressing frame 11 and the second pressing frame 13 are both plate-shaped structures, the second pressing frame 13 has an avoiding hole, the contour of the first pressing frame 11 matches the contour of the avoiding hole, the first clamping portion 40 is disposed on the periphery of the first pressing frame 11, and the second clamping portion 50 is disposed on the periphery of the avoiding hole. With the above arrangement, the first press frame 11 and the second press frame 13 are easily engaged with each other.

In this embodiment, the first clamping portions 40 and the second clamping portions 50 are both multiple, and the multiple first clamping portions 40 and the multiple second clamping portions 50 are arranged in a one-to-one correspondence manner. This can improve the reliability of the first and second press frames 11 and 13 at the time of connection.

Another embodiment of the utility model provides a side seam machine, including press device, press device is the press device that the aforesaid provided. By applying the technical scheme of the embodiment, the first pressing frame 11, the rotating shaft 12, the rotating mechanism 20 and the lifting mechanism 30 are arranged in the pressing device, wherein the driving shaft 21 in the rotating mechanism 20 is in driving connection with the rotating shaft 12 to drive the rotating shaft 12 to rotate, and the lifting mechanism 30 is in driving connection with the rotating mechanism 20 to drive the rotating mechanism 20 to lift. In this scheme, with drive shaft 21 and the coaxial setting of pivot 12, can avoid because the motion transmission error and the unstable condition that the clearance of current gear structure caused, first pressure frame 11 can not appear the shake phenomenon when the motion like this, has improved the stability of press device when the operation. Moreover, the scheme simplifies the structure of the mechanism for driving the rotating shaft 12, is convenient to assemble and manufacture and reduces the production cost.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A swaging apparatus, comprising:

a first press frame (11);

the lower end of the rotating shaft (12) is connected with the first pressing frame (11);

the rotating mechanism (20), the rotating mechanism (20) comprises a rotatable driving shaft (21), the driving shaft (21) is in driving connection with the rotating shaft (12) to drive the rotating shaft (12) to rotate, and the driving shaft (21) and the rotating shaft (12) are coaxially arranged;

the lifting mechanism (30) is in driving connection with the rotating mechanism (20) so as to drive the rotating mechanism (20) to lift.

2. The pressing device according to claim 1, characterized in that said rotation mechanism (20) comprises:

the first seat body (22), the lifting mechanism (30) is in driving connection with the first seat body (22);

a first driving part (23) provided on the first seat (22), the first driving part (23) including the driving shaft (21);

the shaft sleeve (24) is connected with the first seat body (22), and the driving shaft (21) and the rotating shaft (12) are arranged in the shaft sleeve (24) in a penetrating mode.

3. The pressing device according to claim 2, wherein the upper end of the shaft sleeve (24) is connected with the lower portion of the first seat (22), and the rotating mechanism (20) further comprises:

the coupling (25) is arranged in the shaft sleeve (24), and the driving shaft (21) and the rotating shaft (12) are connected through the coupling (25);

and a bearing (26) disposed between an inner wall of the sleeve (24) and the rotating shaft (12).

4. The pressing device according to claim 2, characterized in that the lifting mechanism (30) comprises:

a second seat (31);

the second driving part (32) is arranged on the second seat body (31), and the second driving part (32) is in driving connection with the first seat body (22) to drive the first seat body (22) to lift.

5. The pressing device according to claim 4, characterized in that the lifting mechanism (30) further comprises:

the guide rail (33) is vertically arranged on the second seat body (31);

the sliding block (34) is slidably arranged on the guide rail (33), and the sliding block (34) is fixedly connected with the first base body (22).

6. A pressing device according to claim 1, characterized in that the pressing device further comprises:

a second press frame (13);

the clamping mechanism comprises a first clamping portion (40) and a second clamping portion (50), the first clamping portion (40) is arranged on one of the first pressing frame (11) and the second pressing frame (13), the second clamping portion (50) is arranged on the other one of the first pressing frame (11) and the second pressing frame (13), and the first clamping portion (40) can be clamped with or separated from the second clamping portion (50);

under the condition that the first clamping portion (40) and the second clamping portion (50) are clamped, the first pressing frame (11) is connected with the second pressing frame (13); under the condition that the first clamping portion (40) and the second clamping portion (50) are separated, the first pressing frame (11) and the second pressing frame (13) are separated.

7. The pressing device according to claim 6, wherein said second snap-in portion (50) comprises:

the third seat body (51), the third seat body (51) is connected with the other one of the first pressing frame (11) and the second pressing frame (13), the third seat body (51) is provided with a limiting groove (511), and a part of the first clamping part (40) can enter the limiting groove (511) and be separated from the limiting groove (511);

the limiting structure (52) is telescopically arranged on the third base body (51), one part of the first clamping portion (40) is located in the limiting groove (511), the limiting structure (52) is abutted to the first clamping portion (40), and therefore the first clamping portion (40) is prevented from being separated from the limiting groove (511).

8. The pressing device according to claim 7, wherein the third seat (51) has a mounting cavity, the limiting structure (52) is telescopically arranged in the mounting cavity, an opening of the mounting cavity is located on a side wall of the limiting groove (511), and one end of the limiting structure (52) can extend out of the opening of the mounting cavity to abut against the first clamping portion (40).

9. The pressing device according to claim 7, characterized in that said limiting structure (52) comprises:

a first stopper (521), wherein the first stopper (521) is connected to the third base (51);

the second limiting piece (522) is used for abutting against the first clamping part (40);

one end of the elastic member (523) is connected with the first limiting member (521), and the other end of the elastic member (523) is connected with the second limiting member (522).

10. The pressing device according to claim 7, wherein the number of the limiting structures (52) is two, the two limiting structures (52) can move close to or away from each other, and the two limiting structures (52) are used for limiting the first clamping portion (40) together.

11. The pressing device according to claim 6, wherein said first snap-in portion (40) comprises:

a fixing seat (41), the fixing seat (41) being connected with one of the first pressing frame (11) and the second pressing frame (13);

joint post (42), with fixing base (41) are connected, joint post (42) be used for with second joint portion (50) joint.

12. The pressing device according to claim 6, wherein the first pressing frame (11) and the second pressing frame (13) are both plate-shaped structures, the second pressing frame (13) has an avoidance hole, a contour of the first pressing frame (11) matches a contour of the avoidance hole, the first clamping portion (40) is disposed on a periphery of the first pressing frame (11), and the second clamping portion (50) is disposed on a periphery of the avoidance hole.

13. The pressing device according to claim 6, wherein the first clamping portion (40) and the second clamping portion (50) are both provided in plurality, and the first clamping portion (40) and the second clamping portion (50) are provided in one-to-one correspondence.

14. An edge sewing machine comprising a pressing device, characterized in that the pressing device is the pressing device of any one of claims 1 to 13.