CN209816436U - Automatic sewing machine for sewing shopping bags - Google Patents

Abstract

The utility model relates to the technical field of auxiliary devices in the textile industry, in particular to an automatic sewing machine for sewing shopping bags, which comprises a sewing machine body, a workbench and cloth; still include extension board, slide bar, spliced pole, connecting rod, left connecting plate, right connecting plate, two sets of left fixed plates, two sets of right fixed plates, two sets of left connecting rods, left movable plate, two sets of right connecting rods, right movable plate, two sets of left springs, two sets of right springs, left splint, right splint, multiunit left roller bearing, multiunit right roller bearing, multiunit left side gyro wheel and multiunit right gyro wheel, the utility model discloses a make up automatic sewing machine for shopping bag, lateral shifting takes place for reducible cloth on the workstation, improves the linearity of cloth sewing line, reduces the production of wastrel, improves the use rationality.

Description

Automatic sewing machine for sewing shopping bags

Technical Field

The utility model relates to a textile industry auxiliary device's technical field especially relates to a make up shopping bag and use automatic sewing machine.

Background

As is well known, an automatic sewing machine for sewing shopping bags is a device for sewing and molding shopping bags in textile factories, which is widely used in the field of textile industry; the existing automatic sewing machine for sewing the shopping bags comprises a sewing machine body, a workbench and cloth, wherein the sewing machine body is arranged on the right half area of the top surface of the workbench, and the cloth is placed on the workbench and is positioned right below the sewing machine body; when the existing automatic sewing machine for sewing the shopping bag is used, the sewing machine body is opened, the sewing machine body sews the cloth, meanwhile, a worker pulls the cloth forward, and the cloth continuously moves forward, so that the sewing machine body can sew different positions of the cloth; the existing automatic sewing machine for sewing the shopping bags is used for discovering that when a worker pulls cloth forwards, the cloth is easy to transversely move on a workbench, so that a sewing line is deviated, defective goods are generated, and the using rationality is poor.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a lateral shifting takes place for reducible cloth on the workstation, improves the straightness nature of cloth sewing line, reduces the production of wastrel, improves the automatic sewing machine for making up shopping bag that uses rationality.

The utility model discloses an automatic sewing machine for sewing shopping bags, which comprises a sewing machine body, a workbench and cloth, wherein the sewing machine body is arranged on the right half area of the top surface of the workbench, and the cloth is placed on the workbench and is positioned under the sewing machine body; the sewing machine further comprises a support plate, a sliding rod, a connecting column, a connecting rod, a left connecting plate, a right connecting plate, two groups of left fixing plates, two groups of right fixing plates, two groups of left connecting rods, a left moving plate, two groups of right connecting rods, a right moving plate, two groups of left springs, two groups of right springs, a left clamping plate, a right clamping plate, a plurality of groups of left rolling shafts, a plurality of groups of right rolling shafts, a plurality of groups of left rolling wheels and a plurality of groups of right rolling wheels, wherein the bottom end of the support plate is connected with the left half area of the top surface of the workbench, the upper half area of the sliding plate is transversely provided with a first round hole, the left end of the sliding rod passes through the first round hole to be connected with the upper half area of the right side wall of the support plate, the top end of the connecting column is connected with the left half area of the bottom surface of the connecting rod, the right end of the connecting, the top ends of the two groups of right fixing plates are respectively connected with the left half area and the right half area of the bottom surface of the right connecting plate, the two groups of left fixing plates are internally provided with a first storage cavity and a second storage cavity respectively, the right side wall of the left group of left fixing plates and the left side wall of the right group of left fixing plates are longitudinally provided with a first rectangular opening and a second rectangular opening respectively, the first rectangular opening and the second rectangular opening are communicated with the first storage cavity and the second storage cavity respectively, one ends of the two groups of left connecting rods are respectively inserted into the two groups of left fixing plates, the other ends of the two groups of left connecting rods are respectively connected with the left end and the right end of the left movable plate, the two groups of right fixing plates are internally provided with a third storage cavity and a fourth storage cavity respectively, the right side wall of the left group of right fixing plates and the left side wall of the right group of right fixing plates are longitudinally provided with a third rectangular opening and a fourth rectangular, one end of each of the two groups of right connecting rods is respectively inserted into the two groups of right fixing plates, the other end of each of the two groups of right connecting rods is respectively connected with the left end and the right end of the right moving plate, the top ends of the two groups of left springs are respectively connected with the left half area and the right half area of the bottom surface of the left connecting plate, the bottom ends of the two groups of left springs are respectively connected with the left half area and the right half area of the top surface of the left moving plate, the top ends of the two groups of right springs are respectively connected with the left half area and the right half area of the bottom surface of the right connecting plate, the two groups of left springs and the two groups of right springs are in a compressed state, the top ends of the left clamping plate and the top ends of the right clamping plate are respectively connected with the central area of the bottom surface of the left moving plate and the central area of, the left roller right-hand member of multiunit passes multiunit left gyro wheel central zone respectively, and multiunit left roller left end and right-hand member are connected with left side wall and interior right side wall in the first rectangle recess respectively, multiunit right roller right-hand member passes multiunit right gyro wheel central zone respectively, multiunit right roller left end and right-hand member are connected with left side wall and interior right side wall in the second rectangle recess respectively.

The utility model discloses an make up automatic sewing machine for shopping bag still includes two sets of left fixture blocks and two sets of right fixture blocks, two sets of left connecting rod one end are connected with two sets of left fixture block one end respectively, and two sets of right connecting rod one end are connected with two sets of right fixture block one end respectively, and two sets of left fixture blocks and two sets of right fixture blocks are located inside two sets of left fixed plates and two sets of right fixed plates respectively.

The utility model discloses an make up automatic sewing machine for shopping bag still includes left nut and right nut, the slide bar lateral wall is provided with the external screw thread that corresponds with left nut and right nut, left side nut and the equal spiral shell dress of right nut are fixed on the slide bar, left nut right side wall and right nut left side wall respectively with slide plate left side wall and right side wall in close contact with.

The utility model discloses an make up automatic sewing machine for shopping bag still includes two sets of left pull rods and two sets of right pull rods, two sets of left pull rod one end respectively with the regional connection of the preceding central authorities of left movable plate and back central authorities, two sets of right pull rod one end respectively with the regional connection of the preceding central authorities of right movable plate and back central authorities.

The utility model discloses an make up automatic sewing machine for shopping bag still includes the pull ring, the pull ring bottom is connected with the slide top.

The utility model discloses an make up automatic sewing machine for shopping bag still includes revolving door and handle, and the preceding half right region of workstation is provided with third rectangle recess, and the first half region of left side wall is articulated in revolving door left side wall and the third rectangle recess, handle rear end and the preceding half right region connection of revolving door.

The utility model discloses an make up automatic sewing machine for shopping bag still includes the backup pad, and the preceding central area of workstation is provided with fourth rectangle recess, insert in the fourth rectangle recess backup pad rear end.

The utility model discloses an make up automatic sewing machine for shopping bag still includes the push-and-pull board, the push-and-pull board rear end is connected with the preceding central zone of backup pad.

Compared with the prior art, the beneficial effects of the utility model are that: pulling the left moving plate and the right moving plate upwards to enable the left moving plate and the right moving plate to respectively move upwards and enable two groups of left springs and two groups of right springs to be in a larger compression state continuously, before the left moving plate and the right moving plate move upwards, the two groups of left springs and the two groups of right springs are in a compression state, the two groups of left connecting rods and the two groups of right connecting rods respectively slide up and down in the two groups of left fixing plates and the two groups of right fixing plates, placing cloth to be sewn on a workbench, enabling the part to be sewn on the cloth to be just positioned under a sewing machine body, loosening the left moving plate and the right moving plate, respectively moving the left moving plate and the right moving plate downwards under the action of the two groups of left springs and the two groups of right springs and clamping the left half area and the right half area of the cloth, opening the sewing machine body by a worker, sewing the cloth by the sewing machine, make the sewing machine body make up the different positions of cloth, when the cloth moves forward, multiunit left side gyro wheel and multiunit right side gyro wheel are rotatory along multiunit left side roller bearing and multiunit right side roller bearing respectively, multiunit left side gyro wheel and multiunit right side gyro wheel all with take place rolling friction between the cloth and press from both sides the cloth tightly, lateral shifting takes place for the cloth to reduce, improve the linearity of cloth sewing line, reduce the production of wastrel, improve the rationality of using, when cloth length changes, remove the slide about, make the slide along the slide bar horizontal slip, thereby adjust the lateral position of multiunit left side gyro wheel, make multiunit left side gyro wheel press from both sides tightly the suitable position of cloth, improve and use the flexibility.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is an enlarged view of a portion A of FIG. 1;

FIG. 3 is a partial enlarged view of portion B of FIG. 1;

FIG. 4 is an enlarged view of a portion C of FIG. 1;

in the drawings, the reference numbers: 1. a sewing machine body; 2. a work table; 3. distributing; 4. a support plate; 5. a slide plate; 6. a slide bar; 7. connecting columns; 8. a connecting rod; 9. a left connecting plate; 10. a right connecting plate; 11. a left fixing plate; 12. a right fixing plate; 13. a left connecting rod; 14. a left moving plate; 15. a right connecting rod; 16. a right moving plate; 17. a left spring; 18. a right spring; 19. a left splint; 20. a right splint; 21. a left roller; 22. a right roller; 23. a left roller; 24. a right roller; 25. a left clamping block; 26. a right clamping block; 27. a left nut; 28. a right nut; 29. a left pull rod; 30. a right pull rod; 31. a pull ring; 32. a revolving door; 33. a handle; 34. a support plate; 35. a push-pull plate.

Detailed Description

The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

As shown in fig. 1 to 4, the automatic sewing machine for sewing shopping bags of the present invention comprises a sewing machine body 1, a workbench 2 and a cloth 3, wherein the sewing machine body 1 is installed on the right half area of the top surface of the workbench 2, and the cloth 3 is placed on the workbench 2 and is positioned under the sewing machine body 1; the sewing machine further comprises a support plate 4, a sliding plate 5, a sliding rod 6, a connecting column 7, a connecting rod 8, a left connecting plate 9, a right connecting plate 10, two groups of left fixing plates 11, two groups of right fixing plates 12, two groups of left connecting rods 13, a left moving plate 14, two groups of right connecting rods 15, a right moving plate 16, two groups of left springs 17, two groups of right springs 18, a left clamping plate 19, a right clamping plate 20, a plurality of groups of left rolling shafts 21, a plurality of groups of right rolling shafts 22, a plurality of groups of left rolling wheels 23 and a plurality of groups of right rolling wheels 24, wherein the bottom end of the support plate 4 is connected with the left half area of the top surface of the workbench 2, the upper half area of the sliding plate 5 is transversely provided with a first round hole, the left end of the sliding rod 6 passes through the first round hole to be connected with the upper half area of the right side wall of the support plate 4, the top end of the connecting column 7 is connected with the, the top ends of two groups of left fixing plates 11 are respectively connected with the left half area and the right half area of the bottom surface of a left connecting plate 9, the top ends of two groups of right fixing plates 12 are respectively connected with the left half area and the right half area of the bottom surface of a right connecting plate 10, the inside of the two groups of left fixing plates 11 is respectively provided with a first storage cavity and a second storage cavity, the right side wall of the left group of left fixing plates 11 and the left side wall of the right group of left fixing plates 11 are respectively provided with a first rectangular opening and a second rectangular opening longitudinally, the first rectangular opening and the second rectangular opening are respectively communicated with the first storage cavity and the second storage cavity, one end of two groups of left connecting rods 13 are respectively inserted into the two groups of left fixing plates 11, the other end of the two groups of left connecting rods 13 are respectively connected with the left end and the right end of a left moving plate 14, the inside of the two groups of right fixing plates 12 is respectively provided with a third storage cavity and, the third rectangular opening and the fourth rectangular opening are respectively communicated with the third storage cavity and the fourth storage cavity, one ends of two groups of right connecting rods 15 are respectively inserted into two groups of right fixing plates 12, the other ends of two groups of right connecting rods 15 are respectively connected with the left end and the right end of a right moving plate 16, the top ends of two groups of left springs 17 are respectively connected with the left half area and the right half area of the bottom surface of a left connecting plate 9, the bottom ends of two groups of left springs 17 are respectively connected with the left half area and the right half area of the top surface of a left moving plate 14, the top ends of two groups of right springs 18 are respectively connected with the left half area and the right half area of the bottom surface of a right connecting plate 10, the bottom ends of two groups of right springs 18 are respectively connected with the left half area and the right half area of the top surface of the right moving plate 16, the two groups of left springs 17 and the two groups of right, a first rectangular groove and a second rectangular groove are respectively formed in the central area of the bottom surface of the left clamping plate 19 and the central area of the bottom surface of the right clamping plate 20, the right ends of a plurality of groups of left rollers 21 respectively penetrate through the central areas of a plurality of groups of left rollers 23, the left ends and the right ends of a plurality of groups of left rollers 21 are respectively connected with the left side wall and the inner right side wall in the first rectangular groove, the right ends of a plurality of groups of right rollers 22 respectively penetrate through the central areas of a plurality of groups of right rollers 24, and the left ends and the right ends of a plurality of groups of right rollers 22 are respectively; pulling the left moving plate and the right moving plate upwards to enable the left moving plate and the right moving plate to respectively move upwards and enable two groups of left springs and two groups of right springs to be in a larger compression state continuously, before the left moving plate and the right moving plate move upwards, the two groups of left springs and the two groups of right springs are in a compression state, the two groups of left connecting rods and the two groups of right connecting rods respectively slide up and down in the two groups of left fixing plates and the two groups of right fixing plates, placing cloth to be sewn on a workbench, enabling the part to be sewn on the cloth to be just positioned under a sewing machine body, loosening the left moving plate and the right moving plate, respectively moving the left moving plate and the right moving plate downwards under the action of the two groups of left springs and the two groups of right springs and clamping the left half area and the right half area of the cloth, opening the sewing machine body by a worker, sewing the cloth by the sewing machine, make the sewing machine body make up the different positions of cloth, when the cloth moves forward, multiunit left side gyro wheel and multiunit right side gyro wheel are rotatory along multiunit left side roller bearing and multiunit right side roller bearing respectively, multiunit left side gyro wheel and multiunit right side gyro wheel all with take place rolling friction between the cloth and press from both sides the cloth tightly, lateral shifting takes place for the cloth to reduce, improve the linearity of cloth sewing line, reduce the production of wastrel, improve the rationality of using, when cloth length changes, remove the slide about, make the slide along the slide bar horizontal slip, thereby adjust the lateral position of multiunit left side gyro wheel, make multiunit left side gyro wheel press from both sides tightly the suitable position of cloth, improve and use the flexibility.

The utility model discloses an automatic sewing machine for sewing shopping bags, which also comprises two groups of left fixture blocks 25 and two groups of right fixture blocks 26, wherein one end of each group of left connecting rods 13 is respectively connected with one end of each group of left fixture blocks, one end of each group of right connecting rods 15 is respectively connected with one end of each group of right fixture blocks 26, and the two groups of left fixture blocks 25 and the two groups of right fixture blocks 26 are respectively positioned inside the two groups of left fixing plates 11 and the two groups of right fixing plates 12; the two groups of left clamping blocks and the two groups of right clamping blocks respectively block the two groups of left connecting rods and the two groups of right connecting rods in the two groups of left fixing plates and the two groups of right fixing plates, so that the use stability is improved.

The utility model discloses an automatic sewing machine for sewing shopping bags, which also comprises a left nut 27 and a right nut 28, the outer side wall of the slide bar 6 is provided with external threads corresponding to the left nut 27 and the right nut 28, the left nut 27 and the right nut are both screwed and fixed on the slide bar 6, and the right side wall of the left nut 27 and the left side wall of the right nut 28 are respectively in close contact with the left side wall and the right side wall of the slide plate 5; the left nut and the right nut respectively fixedly clamp the sliding plate on the sliding rod from the left side and the right side, so that the sliding plate is prevented from sliding left and right along the sliding rod, and the use stability is improved.

The utility model discloses an automatic sewing machine for sewing shopping bags, which also comprises two groups of left pull rods 29 and two groups of right pull rods 30, wherein one end of each group of left pull rods 29 is respectively connected with the front central area and the rear central area of the left moving plate 14, and one end of each group of right pull rods 30 is respectively connected with the front central area and the rear central area of the right moving plate 16; the left moving plate and the right moving plate are respectively and conveniently lifted upwards by the two groups of left pull rods and the two groups of right pull rods, and the use flexibility is improved.

The utility model discloses an automatic sewing machine for sewing shopping bags, which also comprises a pull ring 31, wherein the bottom end of the pull ring 31 is connected with the top end of a sliding plate 5; the pull ring is convenient for moving the sliding plate left and right, and the use flexibility is improved.

The utility model discloses an automatic sewing machine for sewing shopping bags, which also comprises a revolving door 32 and a handle 33, wherein a third rectangular groove is arranged on the right half area in front of the workbench 2, the left side wall of the revolving door 32 is hinged with the front half area of the left side wall in the third rectangular groove, and the rear end of the handle 33 is connected with the right half area in front of the revolving door 32; the needles and the threads can be stored in the third rectangular groove, and the revolving door can be directly opened to take the needles and the threads when in use, so that the use practicability is improved.

The utility model discloses an automatic sewing machine for sewing shopping bags, which also comprises a support plate 34, a fourth rectangular groove is arranged in the central area in front of the workbench 2, and the rear end of the support plate 34 is inserted into the fourth rectangular groove; when the staff pulled the cloth forward, pull out the backup pad from fourth rectangle recess internal portion, the backup pad played the supporting role to the cloth, reduced the cloth and scatters on ground.

The automatic sewing machine for sewing the shopping bag of the utility model also comprises a push-pull plate 35, the rear end of the push-pull plate 35 is connected with the central area in front of the support plate 34; the push-pull plate is convenient for moving the supporting plate back and forth, and the use flexibility is improved.

The utility model discloses an automatic sewing machine for sewing shopping bags, which pulls a left moving plate and a right moving plate upwards when in work, so that the left moving plate and the right moving plate respectively move upwards and make two groups of left springs and two groups of right springs continuously in a larger compression state, before the left moving plate and the right moving plate move upwards, the two groups of left springs and the two groups of right springs are in a compression state, two groups of left connecting rods and two groups of right connecting rods respectively slide up and down in the two groups of left fixed plates and the two groups of right fixed plates, cloth to be sewn is placed on a workbench, so that the part to be sewn on the cloth is just under a sewing machine body, the left moving plate and the right moving plate are loosened, the left moving plate and the right moving plate respectively move downwards under the action of the two groups of left springs and the two groups of right springs and clamp the left half area and the right half area of the cloth, a, the sewing machine body sews cloth, meanwhile, a worker slowly pulls the cloth forwards to enable the sewing machine body to sew different positions of the cloth, when the cloth moves forwards, the multiple groups of left rollers and the multiple groups of right rollers rotate along the multiple groups of left rolling shafts and the multiple groups of right rolling shafts respectively, rolling friction is generated between the multiple groups of left rollers and the multiple groups of right rollers and the cloth, the cloth is clamped tightly, the cloth is reduced from moving transversely, the linearity of a cloth sewing line is improved, the generation of defective goods is reduced, the use rationality is improved, when the length of the cloth changes, the sliding plate is moved leftwards and rightwards, the sliding plate slides leftwards and rightwards along the sliding rod, so that the transverse positions of the multiple groups of left rollers are adjusted, the multiple groups of left rollers clamp the proper positions of the cloth, and; the two groups of left clamping blocks and the two groups of right clamping blocks respectively block the two groups of left connecting rods and the two groups of right connecting rods in the two groups of left fixing plates and the two groups of right fixing plates, so that the use stability is improved; the sliding plate is fixedly clamped on the sliding rod from the left side and the right side by the left nut and the right nut respectively, so that the sliding plate is prevented from sliding left and right along the sliding rod, and the use stability is improved; the two groups of left pull rods and the two groups of right pull rods are respectively convenient for lifting the left moving plate and the right moving plate upwards, so that the use flexibility is improved; the pull ring is convenient for moving the sliding plate left and right, so that the use flexibility is improved; the needles and the threads can be stored in the third rectangular groove, and the revolving door is directly opened to take the needles and the threads when the needle sewing machine is used, so that the use practicability is improved; when the worker pulls the cloth forwards, the support plate is pulled out from the inner part of the fourth rectangular groove, and the support plate plays a role in supporting the cloth and reduces the scattering of the cloth on the ground; the push-pull plate is convenient for moving the supporting plate back and forth, and the use flexibility is improved.

The above is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.

Claims (8)

1. An automatic sewing machine for sewing shopping bags comprises a sewing machine body (1), a workbench (2) and cloth (3), wherein the sewing machine body (1) is arranged in the right half area of the top surface of the workbench (2), and the cloth (3) is placed on the workbench (2) and is positioned right below the sewing machine body (1); the device is characterized by further comprising a support plate (4), a sliding plate (5), a sliding rod (6), a connecting column (7), a connecting rod (8), a left connecting plate (9), a right connecting plate (10), two groups of left fixing plates (11), two groups of right fixing plates (12), two groups of left connecting rods (13), a left moving plate (14), two groups of right connecting rods (15), a right moving plate (16), two groups of left springs (17), two groups of right springs (18), a left clamping plate (19), a right clamping plate (20), a plurality of groups of left rolling shafts (21), a plurality of groups of right rolling shafts (22), a plurality of groups of left rolling wheels (23) and a plurality of groups of right rolling wheels (24), wherein the bottom end of the support plate (4) is connected with the left half area of the top surface of the workbench (2), the upper half area of the sliding plate (5) is transversely provided with a first round hole, the left end of the sliding rod (6) passes through the first round hole to be connected, the right end of the connecting rod (8) is connected with the upper half area of the left side wall of the longitudinal part of the sewing machine body (1), the bottom end of the sliding plate (5) and the bottom end of the connecting column (7) are respectively connected with the central area of the top surface of the left connecting plate (9) and the central area of the top surface of the right connecting plate (10), the top ends of the two groups of left fixing plates (11) are respectively connected with the left half area and the right half area of the bottom surface of the left connecting plate (9), the top ends of the two groups of right fixing plates (12) are respectively connected with the left half area and the right half area of the bottom surface of the right connecting plate (10), a first storage cavity and a second storage cavity are respectively arranged inside the two groups of left fixing plates (11), a first rectangular opening and a second rectangular opening are respectively arranged on the right side wall of a group of left fixing plates (11) and the left side wall of a group of right side, one end of each of the two groups of left connecting rods (13) is respectively inserted into the two groups of left fixing plates (11), the other end of each of the two groups of left connecting rods (13) is respectively connected with the left end and the right end of the left moving plate (14), the two groups of right fixing plates (12) are respectively internally provided with a third storage cavity and a fourth storage cavity, the right side wall of the left group of right fixing plates (12) and the left side wall of the right group of right fixing plates (12) are respectively and longitudinally provided with a third rectangular opening and a fourth rectangular opening, the third rectangular opening and the fourth rectangular opening are respectively communicated with the third storage cavity and the fourth storage cavity, one end of each of the two groups of right connecting rods (15) is respectively inserted into the two groups of right fixing plates (12), the other end of each of the two groups of right connecting rods (15) is respectively connected with the left end and the right end of the right moving plate (16), and the, the bottom ends of two groups of left springs (17) are respectively connected with the left half area and the right half area of the top surface of a left moving plate (14), the top ends of two groups of right springs (18) are respectively connected with the left half area and the right half area of the bottom surface of a right connecting plate (10), the bottom ends of two groups of right springs (18) are respectively connected with the left half area and the right half area of the top surface of a right moving plate (16), the two groups of left springs (17) and the two groups of right springs (18) are in a compressed state, the top ends of a left clamping plate (19) and a right clamping plate (20) are respectively connected with the central area of the bottom surface of the left moving plate (14) and the central area of the bottom surface of the right moving plate (16), the central area of the bottom surface of the left clamping plate (19) and the central area of the bottom surface of the right clamping plate (20) are respectively provided with a first rectangular groove and a second rectangular groove, the right ends of a plurality of left rolling shafts (21) pass through the, the right ends of the multiple groups of right rolling shafts (22) respectively penetrate through the central areas of the multiple groups of right rolling wheels (24), and the left ends and the right ends of the multiple groups of right rolling shafts (22) are respectively connected with the left side wall and the inner right side wall in the second rectangular groove.

2. An automatic sewing machine for sewing shopping bags as claimed in claim 1, further comprising two sets of left locking blocks (25) and two sets of right locking blocks (26), wherein one end of said two sets of left connecting rods (13) is connected to one end of said two sets of left locking blocks (25), one end of said two sets of right connecting rods (15) is connected to one end of said two sets of right locking blocks (26), and said two sets of left locking blocks (25) and said two sets of right locking blocks (26) are located inside said two sets of left fixing plates (11) and said two sets of right fixing plates (12), respectively.

3. An automatic sewing machine for sewing shopping bags as claimed in claim 2, further comprising a left nut (27) and a right nut (28), wherein the outer side wall of the sliding bar (6) is provided with external threads corresponding to the left nut (27) and the right nut (28), the left nut (27) and the right nut are both screwed and fixed on the sliding bar (6), and the right side wall of the left nut (27) and the left side wall of the right nut (28) are respectively in close contact with the left side wall and the right side wall of the sliding plate (5).

4. An automatic sewing machine for sewing shopping bags as claimed in claim 3, further comprising two sets of left draw bars (29) and two sets of right draw bars (30), said two sets of left draw bars (29) having one end connected to the front and rear central regions of the left moving plate (14), respectively, and said two sets of right draw bars (30) having one end connected to the front and rear central regions of the right moving plate (16), respectively.

5. An automatic sewing machine for sewing shopping bags as claimed in claim 4, further comprising a pull ring (31), the lower end of said pull ring (31) being connected to the upper end of the slider (5).

6. An automatic sewing machine for sewing shopping bags as claimed in claim 5, further comprising a swing door (32) and a handle (33), wherein a third rectangular recess is provided in the right half region of the front face of the table (2), the left side wall of the swing door (32) is hinged to the front half region of the left side wall in the third rectangular recess, and the rear end of the handle (33) is connected to the right half region of the front face of the swing door (32).

7. An automatic sewing machine for sewing shopping bags as claimed in claim 6, further comprising a back plate (34), wherein a fourth rectangular recess is provided in a central region of the front of the table (2), and a rear end of said back plate (34) is inserted into the fourth rectangular recess.

8. An automatic sewing machine for sewing shopping bags as claimed in claim 7, further comprising a push-pull plate (35), the rear end of said push-pull plate (35) being connected to the central region of the front face of the back plate (34).