A type of interlock sewing machine capable of switching between different machine types

Abstract

The present invention belongs to the technical field of sewing machines, and particularly refers to a switchable interlock sewing machine; the interlock sewing machine comprises a base, a small-mouthed sewing head and a side cover are arranged at the left end of the base, the small-mouthed sewing head comprises a mounting plate and a sewing head, one end of the sewing head is suspended, and a needle plate is directly or through a needle plate seat mounted on the sewing head, in this case it is a small-mouthed interlock sewing machine; a small square head is detachably fixed on the side cover and / or the mounting plate, one end of the small square head is suspended, in this case it is a small square head interlock sewing machine; a left sewing table is detachably arranged on the side cover and the mounting plate, and a left sewing table side cover is arranged at the left end of the left sewing table, in this case it is a platform-type interlock sewing machine; the present invention can achieve the functions of three types of machines by disassembling and assembling corresponding parts, thereby reducing the production cost of clothing enterprises and facilitating switching.

Description

Technical Field

[0001] The invention belongs to the technical field of sewing machines, in particular to a switchable interlock sewing machine. Background Art

[0002] The stitches sewn by the interlock sewing machine are chain stitches. This stitch is mostly used for collar rolling, piping, hemming, interlock seams, splicing seams and trimmings of knitted garments. Interlock sewing machines are divided into flat-bed interlock sewing machines, small square-head interlock sewing machines, and small-mouth interlock sewing machines according to the body form. Flat-bed interlock sewing machines are suitable for making large areas of clothing, such as the hem process of T-shirts; small square-head interlock sewing machines are suitable for sewing positions with relatively small diameters such as adult cuffs, especially in the process of knitted tubular sewing; and small-mouth interlock sewing machines are for sewing positions with smaller diameters such as cuffs, especially in certain processes of baby clothing. Different types of garments with different processes are sewn using different forms of interlock sewing machines. Since the above three interlock sewing machines have different sewing effects and are suitable for different sewing occasions, in order to meet sewing needs, clothing companies usually need to be equipped with three types of interlock sewing machines: flat-bed interlock sewing machines, small square-head interlock sewing machines, and small-mouth interlock sewing machines, and they also need to configure corresponding venues to place these sewing machines. This undoubtedly increases the production costs of clothing companies. Summary of the invention

[0003] The object of the present invention is to provide a flat bed interlock sewing machine which can be switched into three types of machine types, namely, a flat bed interlock sewing machine, a small square head interlock sewing machine and a small mouth interlock sewing machine, and the switching is convenient.

[0004] The present invention is achieved in that:

[0005] A switchable interlock sewing machine, the interlock sewing machine comprises a base, a main sewing platform is arranged on the base, a small mouth sewing head and a side cover are arranged at the left end of the base, the small mouth sewing head comprises a mounting plate installed at the left end of the base and a sewing head for installing a needle plate, one end of the sewing head is suspended, and the needle plate is directly or through a needle plate seat installed on the sewing head, in this case, it is a small mouth interlock sewing machine;

[0006] A small square head is detachably fixed on the side cover or / and the mounting plate, the seam head is built into the small square head, and one end of the small square head is suspended in the air, which is a small square head interlock sewing machine;

[0007] A left sewing platform is detachably arranged on the side cover and the mounting plate, and a sewing head is built into the left sewing platform. A notch for avoiding a needle plate is arranged on the left sewing platform. In this case, it is a platform-type interlock sewing machine.

[0008] In the above-mentioned switchable interlock sewing machine, a first cylindrical lower side cover is provided at the left end of the seam head, a first cylindrical upper side cover is hinged on the first cylindrical lower side cover, and the first cylindrical upper side cover is located above the seam head on the left side of the needle plate when the first cylindrical upper side cover is closed.

[0009] In the above-mentioned switchable type interlock sewing machine, a second cylinder lower side cover is provided at the left end of the small square head, a second cylinder upper side cover is hinged on the second cylinder lower side cover, and the second cylinder upper side cover is located above the small square head on one side of the needle plate when the second cylinder upper side cover is closed.

[0010] In the above-mentioned switchable interlock sewing machine, the main sewing platform includes a front sewing platform, a middle sewing platform and a right sewing platform, and a front cover base is installed on the outer edge of the front sewing platform, and the front cover base covers the front side of the base.

[0011] In the above-mentioned switchable type of interlock sewing machine, a front seam table base auxiliary plate is detachably arranged on the front cover base, a front seam table auxiliary plate is arranged on the front seam table base auxiliary plate, the left end of the front seam table auxiliary plate extends to the front end of the left seam table, and a rear seam table auxiliary plate is arranged on the rear side wall of the left seam table.

[0012] In the above-mentioned switchable interlock sewing machine, a left seam platform mounting bracket is detachably provided at the left end of the seam head, and the left seam platform mounting bracket includes a vertical portion and a horizontal portion, and the left seam platform is arranged on the horizontal portion of the left seam platform mounting bracket by fasteners.

[0013] In the above-mentioned switchable interlock sewing machine, a first flange is provided at the right end of the small square head, and the first flange is detachably fixed to the side cover and / or the mounting plate by a plurality of fasteners.

[0014] In the above-mentioned switchable interlock sewing machine, the front side plate of the small square head is connected to the front side plate of the seam head through a fastener.

[0015] In the above-mentioned switchable interlock sewing machine, a second flange is provided at the right end of the left sewing table, and the second flange is detachably fixed to the side cover and the mounting plate by a plurality of fasteners.

[0016] In the above-mentioned switchable interlock sewing machine, two or more positioning holes are arranged at intervals in the upper and lower directions on the left end of the base and the mounting plate, and positioning pins are passed through the corresponding positioning holes to position the mounting plate on the base.

[0017] The outstanding advantages of the present invention compared with the prior art are:

[0018] 1. The present invention can switch the interlock sewing machine among three types of machine: small mouth interlock sewing machine, small square head interlock sewing machine and platform interlock sewing machine by disassembling and assembling corresponding parts. It is equivalent to purchasing one interlock sewing machine and combining it with corresponding spare parts to achieve the functions of three types of machine. It not only reduces the purchase cost of clothing enterprises, but also reduces the site cost of clothing enterprises for placing multiple sewing machines;

[0019] 2. The switching of the various models of the present invention can be achieved only by disassembling and assembling fasteners and corresponding spare parts. When installing, just align the corresponding holes, and no professional personnel are required to switch. The switching is fast and convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of a small mouth interlock sewing machine of the present invention;

[0021] Figure 2 It is a schematic diagram of a small mouth slit head of the present invention;

[0022] Figure 3 It is one of the schematic diagrams of the small square head interlock sewing machine of the present invention;

[0023] Figure 4 This is the second schematic diagram of the small square head interlock sewing machine of the present invention;

[0024] Figure 5 It is a schematic diagram of the small square head interlock sewing machine of the present invention after the second cylinder lower side cover and the second cylinder upper side cover are disassembled;

[0025] Figure 6 It is a partial exploded schematic diagram of the small square head interlock sewing machine of the present invention;

[0026] Figure 7 It is one of the schematic diagrams of the platform type interlock sewing machine of the present invention;

[0027] Figure 8 This is the second schematic diagram of the platform type interlock sewing machine of the present invention;

[0028] Fig. 9 This is one of the schematic diagrams of the flat bed interlock sewing machine of the present invention after the left side cover of the sewing table is disassembled;

[0029] Fig.10 This is the second schematic diagram of the left side cover of the flat bed interlock sewing machine of the present invention after being disassembled;

[0030] Fig.11 It is a schematic diagram of the left seam platform of the present invention;

[0031] Fig.12 It is a schematic diagram of the front cover base of the present invention.

[0032] In the figure: 1. base; 2. small mouth sewing head; 3. side cover; 4. mounting plate; 5. needle plate; 6. sewing head; 7. lower side cover of the first cylinder; 8. upper side cover of the first cylinder; 9. small square head; 10. lower side cover of the second cylinder; 11. upper side cover of the second cylinder; 12. left sewing platform; 13. side cover plate of the left sewing platform; 14. notch; 15. front sewing platform; 16. middle sewing platform; 17. right sewing platform; 18. front cover base; 19. third flange; 20. auxiliary plate of the front sewing platform base; 21. auxiliary plate of the rear sewing platform; 22. mounting bracket of the left sewing platform; 23. first flange; 24. second flange; 25. positioning pin; 26. auxiliary plate of the front sewing platform. DETAILED DESCRIPTION

[0033] The present invention is further described below with reference to specific embodiments. Figure 1-12 :

[0034] The present invention provides a switchable interlock sewing machine, which includes a base 1 and a machine head. A main sewing platform is arranged on the base 1, and a small-mouth sewing head 2 and a side cover 3 are arranged at the left end of the base 1. The small-mouth sewing head 2 includes a mounting plate 4 installed on the left end of the base 1 and a sewing head 6 for installing a needle plate 5. In the present embodiment, the mounting plate 4 and the sewing head 6 are an integrated structure. After installation, the left end of the sewing head 6 is suspended. A first cylindrical lower side cover 7 is arranged at the left end of the sewing head 6, and a first cylindrical upper side cover 8 is hinged on the first cylindrical lower side cover 7. When the first cylindrical upper side cover 8 is closed, it is located above the sewing head 6 on the left side of the needle plate 5, and the upper plane is basically flush with the needle plate 5. In this case, it is a small-mouth interlock sewing machine, such as Figure 1 , Figure 2 As shown, it is used for sewing cuffs with smaller diameters, and especially works better in certain processes in baby clothing.

[0035] When the machine type needs to be switched from a small mouth interlock sewing machine to a small square head interlock sewing machine, the first cylinder lower side cover 7 and the first cylinder upper side cover 8 are removed, and a small square head 9 is detachably fixed on the side cover 3 and / or the mounting plate 4, and the sewing head 6 is built into the small square head 9. A second cylinder lower side cover 10 is provided at the left end of the small square head 9, and a second cylinder upper side cover 11 is hinged on the second cylinder lower side cover 10, and the second cylinder upper side cover 11 is located above the small square head 9 on one side of the needle plate 5, and the upper plane is basically flush with the needle plate. At this time, switch to a small square head interlock sewing machine, such as Figure 3 , Figure 4 , Figure 5 and Figure 6 As shown, it is used for sewing places with relatively small diameters such as adult cuffs.

[0036] When the machine type needs to be switched from a small mouth interlock sewing machine to a platform interlock sewing machine, the first cylinder lower side cover 7 and the first cylinder upper side cover 8 are also removed first; if the machine type is switched from a small square head interlock sewing machine to a platform interlock sewing machine, the small square head 9 is removed, and a left sewing platform 12 is detachably provided on the side cover 3 and the mounting plate 4, and the sewing head 6 is built into the left sewing platform 12. A left sewing platform side cover plate 13 is provided at the left end of the left sewing platform 12, and a notch 14 for avoiding the needle plate 5 is provided on the left sewing platform 12. At this time, it is a platform interlock sewing machine, such as Figure 7-Figure 11 As shown, it is used to make large areas of clothing, such as the hem process of a T-shirt.

[0037] The invention can switch the interlock sewing machine among three types of small mouth interlock sewing machine, small square head interlock sewing machine and platform interlock sewing machine by disassembling and assembling corresponding parts, which is equivalent to purchasing one interlock sewing machine and combining corresponding parts to achieve the functions of three types of machines. It not only reduces the purchase cost of clothing enterprises, but also reduces the site cost configured by clothing enterprises for placing multiple sewing machines.

[0038] In addition, the switching of the various models of the present invention can be achieved only by disassembling and assembling fasteners and corresponding spare parts. During installation, it is only necessary to align the corresponding holes. No professional personnel are required to switch, and the switching is fast and convenient.

[0039] It should be noted that if Figure 1 , Figure 3 , Figure 4 , Figure 6 , Figure 7 , Figure 8 and Fig.12 As shown, the main seam platform of the present invention includes a front seam platform 15 , a middle seam platform 16 and a right seam platform 17 , and a front cover base 18 is installed on the outer edge of the front seam platform 15 , and the front cover base 18 covers the front side of the base 1 .

[0040] Specifically, if Fig.12 As shown, a third flange 19 is provided at the upper end of the front cover base 18, and the third flange 19 is placed below the front seam platform 15, and the two are fixedly connected by fasteners.

[0041] like Figure 7-Figure 10 As shown, a front seam platform base auxiliary plate 20 is detachably provided on the front cover base 18, a front seam platform auxiliary plate 26 is provided on the front seam platform base auxiliary plate 20, the left end of the front seam platform auxiliary plate 26 extends to the front end of the left seam platform 12, and a rear seam platform auxiliary plate 21 is provided on the rear side wall of the left seam platform 12.

[0042] To facilitate assembly, open grooves are provided along the up-down direction on the front sewing platform base auxiliary plate 20 and the rear sewing platform auxiliary plate 21, and fasteners are connected to the front cover base 18 and the left sewing platform 12 through the open grooves. This makes it easy to adjust the up-and-down positions of the front sewing platform base auxiliary plate 20 and the rear sewing platform auxiliary plate 21, and finally make the upper planes of the front sewing platform base auxiliary plate 20 and the rear sewing platform auxiliary plate 21 basically flush with the upper planes of the needle plate 5 and the left sewing platform 12.

[0043] like Fig. 9 , Fig.10 As shown, in order to further improve the reliability and stability of the installation of the left seam platform 12, a left seam platform mounting bracket 22 is detachably provided at the left end of the seam head 6, and the left seam platform mounting bracket 22 includes a vertical portion and a horizontal portion, and the left seam platform 12 is set on the horizontal portion of the left seam platform mounting bracket 22 by fasteners.

[0044] As described above, the small square head 9 of the present invention is installed on the side cover 3 and / or the mounting plate 4. Figure 5 , Figure 6 As shown, the right end of the small square head 9 is provided with a first flange 23, and the first flange 23 is detachably fixed to the side cover 3 and / or the mounting plate 4 by a plurality of fasteners. Whether it is connected to the side cover 3 and the mounting plate 4 at the same time or connected to one of them is set according to actual conditions. In this embodiment, the small square head 9 is installed on the side cover 3 and the mounting plate 4.

[0045] In order to improve the reliability and stability of the installation of the small square head 9, the present invention connects the front side plate of the small square head 9 to the front side plate of the seam head 6 through a fastener.

[0046] Similarly, in the present invention, a second flange 24 is provided at the right end of the left seam platform 12 , and the second flange 24 is detachably fixed to the side cover 3 and the mounting plate 4 by a plurality of fasteners.

[0047] The holes for fasteners to pass through on the second flange 24 of the left seam platform 12 of the present invention correspond to the positions of the corresponding holes on the side cover 3 and the mounting plate 4. At this time, the fasteners simultaneously fix the left seam platform 12, the side cover 3, the left seam platform 12 and the mounting plate 4 to the base 1.

[0048] In addition, if Figure 1 As shown, in order to achieve the positioning of the small mouth slit head during installation, the present invention has two or more positioning holes spaced apart from each other on the left end of the base 1 and the mounting plate 4, and the positioning pins 25 are inserted into the corresponding positioning holes to position the mounting plate 4 on the base 1. In this embodiment, two positioning holes are provided.

[0049] It should be noted that, in this embodiment, the fasteners are all screws.

[0050] The above embodiment is only one of the preferred embodiments of the present invention, and is not intended to limit the scope of implementation of the present invention. Therefore, any equivalent changes made based on the shape, structure, and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A switchable interlock sewing machine, comprising a base (1), a main sewing platform being arranged on the base (1), characterized in that: A small-mouth sewing head (2) and a side cover (3) are arranged at the left end of the base (1); the small-mouth sewing head (2) comprises a mounting plate (4) mounted on the left end of the base (1) and a sewing head (6) for mounting a needle plate (5); one end of the sewing head (6) is suspended in the air, and the needle plate is mounted on the sewing head (6) directly or through a needle plate seat, and in this case, it is a small-mouth interlock sewing machine; A small square head (9) is detachably fixed on the side cover (3) and / or the mounting plate (4), the seam head is built into the small square head (9), and one end of the small square head (9) is suspended in the air, which is a small square head interlock sewing machine; A left sewing platform (12) is detachably provided on the side cover (3) and the mounting plate (4), a sewing head (6) is built into the left sewing platform (12), and a notch (14) is provided on the left sewing platform (12) for avoiding the needle plate (5), and in this case, it is a platform-type interlock sewing machine; A second cylindrical lower side cover (10) is provided at the left end of the small square head (9), a second cylindrical upper side cover (11) is hingedly connected to the second cylindrical lower side cover (10), and the second cylindrical upper side cover (11) is located above the small square head (9) on one side of the needle plate (5) when the second cylindrical upper side cover (11) is closed.

2. A switchable interlock sewing machine according to claim 1, characterized in that: A first cylindrical lower side cover (7) is provided at the left end of the seam head (6), a first cylindrical upper side cover (8) is hingedly connected to the first cylindrical lower side cover (7), and the first cylindrical upper side cover (8) is located above the seam head (6) on the left side of the needle plate (5) when the first cylindrical upper side cover (8) is closed.

3. The switchable interlock sewing machine according to claim 1, characterized in that: The main seam platform comprises a front seam platform (15), a middle seam platform (16) and a right seam platform (17), and a front cover base (18) is installed on the outer edge of the front seam platform (15), and the front cover base (18) covers the front side of the base (1).

4. The switchable interlock sewing machine according to claim 3, characterized in that: A front seam platform base auxiliary plate (20) is detachably provided on the front cover base (18), a front seam platform auxiliary plate (26) is provided on the front seam platform base auxiliary plate (20), the left end of the front seam platform auxiliary plate (26) extends to the front end of the left seam platform (12), and a rear seam platform auxiliary plate (21) is provided on the rear side wall of the left seam platform (12).

5. A switchable interlock sewing machine according to claim 1, 2, 3 or 4, characterized in that: A left seam platform mounting bracket (22) is detachably provided at the left end of the seam head (6); the left seam platform mounting bracket (22) comprises a vertical portion and a horizontal portion; the left seam platform (12) is arranged on the horizontal portion of the left seam platform mounting bracket (22) via a fastener.

6. A switchable interlock sewing machine according to claim 1, 2, 3 or 4, characterized in that: A first flange (23) is provided at the right end of the small square head (9), and the first flange (23) is detachably fixed to the side cover (3) and / or the mounting plate (4) via a plurality of fasteners.

7. The switchable interlock sewing machine according to claim 6, characterized in that: The front side plate of the small square head (9) is connected to the front side plate of the seam head (6) via a fastener.

8. A switchable interlock sewing machine according to claim 1, 2, 3 or 4, characterized in that: A second flange (24) is provided at the right end of the left seam platform (12), and the second flange (24) is detachably fixed to the side cover (3) and the mounting plate (4) via a plurality of fasteners.

9. A switchable interlock sewing machine according to claim 1, 2, 3 or 4, characterized in that: The left end of the base (1) and the mounting plate (4) are both provided with two or more positioning holes spaced apart from each other, and positioning pins (25) are inserted into corresponding positioning holes to position the mounting plate (4) on the base (1).

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