Positioning mechanism of sewing machine

Abstract

The utility model discloses a positioning mechanism of a sewing machine, which comprises a platform, a sewing module fixedly connected to the top of the platform, and cloth placed on the top of the platform and waiting for sewing of the sewing module, connecting blocks are fixedly connected to two sides of the back of the platform, and pressing plates are movably connected to the inner sides of the connecting blocks through pin shafts. The side, away from the connecting block, of the pressing plate extends to the top of the platform and makes contact with the surface of the cloth, and the surface of the pressing plate is hollowed out. Through the integrated design of the platform, the sewing module, the cloth, the connecting block, the pressing plate and other components, accurate positioning and fixing of the cloth are achieved, the pressing plate can swing according to needs and release or fix the cloth due to the movable connection design of the pressing plate, and therefore the positioning requirement in the sewing process is met, and in addition, the sewing efficiency is improved. The hollowed-out design of the surface of the pressing plate allows stitches of the sewing module to penetrate through the cloth for sewing, and the stitches are not hindered by the pressing plate.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of sewing machine, concretely to a positioning mechanism of sewing machine. BACKGROUND

[0002] The sewing machine is a kind of mechanical equipment for connecting and sewing materials, and is widely applied in many industries such as clothing, luggage, shoes and hats, automotive interiors and furniture, and usually has the characteristics of simple and easy use and flexible operation. This kind of sewing machine generally has multiple stitch selection and speed adjustment functions, which can meet the daily sewing needs of families.

[0003] According to the patent application number disclosed by China patent network: 202322346495.0, the patent name is: a garment splicing positioning sewing machine, including a workbench, the lower part of the workbench is fixedly installed with a support frame, the lower part of the support frame is provided with a support seat, the upper part of the workbench is internally provided with a connecting plate, one side of the connecting plate is provided with a micro motor, one side of the micro motor is provided with a transmission rod;The garment splicing positioning sewing machine is provided with a workbench, a sewing machine, a fixed block, a damping reset rod and a roller, when the garment fabric is spliced and positioned, the operator needs to install both sides for sewing, which not only tests the proficiency of the operator, but also wastes manpower. Two groups of rollers and damping reset rods are installed on one side of the sewing machine, which can compact the two sides of the garment fabric, utilize the rebound effect of the damping reset rod, and realize the rebound and compression effect of the fabric, which not only liberates the hands of the workers, but also improves the positioning effect.

[0004] However, the positioning mode of the existing sewing machine is relatively single, mainly relying on elastic force to extrude and fix the fabric, and the fabric may be displaced during the sewing process due to the penetration power of the sewing needle, thereby affecting the sewing positioning accuracy.

[0005] Therefore, it is necessary to design and reform the positioning mechanism of the sewing machine. UTILITY MODEL CONTENTS

[0006] To solve the problems in the above background art, the purpose of the utility model is to provide a positioning mechanism of a sewing machine, which has the advantages of improving the sewing positioning effect, and solves the problem that the positioning mode of the existing sewing machine is relatively single, mainly relying on elastic force to extrude and fix the fabric, and the fabric may be displaced during the sewing process due to the penetration power of the sewing needle, thereby affecting the sewing positioning accuracy.

[0007] To achieve the above purpose, the utility model provides the following technical scheme: a positioning mechanism of a sewing machine, including a platform;

[0008] The suture module is fixedly connected to the top of the platform;

[0009] The cloth is placed on the top of the platform and waits for the suture module to suture.

[0010] The two sides of the back of the platform are fixedly connected with connecting blocks, the inner side of the connecting block is movably connected with a pressing plate through a pin shaft, the side away from the connecting block of the pressing plate extends to the top of the platform and contacts the surface of the cloth, the surface of the pressing plate is hollow, the bottom of the platform is provided with a transmission structure, and the transmission structure can drive the pressing plate to swing and release or fix the cloth.

[0011] As preferred by the utility model, the transmission structure comprises a connecting frame fixedly connected to the bottom of the platform, a screw rod movably connected with the inside of the connecting frame through a bearing, a transmission plate threadedly connected with the surface of the screw rod, the side away from the screw rod of the transmission plate extending to the bottom of the pressing plate, sleeve plates fixedly connected with both ends of the pressing plate through pin shafts, the side away from the pressing plate of the sleeve plate extending to the outside of the transmission plate, sliding rods fixedly connected with both ends of the transmission plate and located inside the sleeve plate, the sliding rods being slidably connected with the sleeve plate, and the front end of the screw rod penetrating through the front side of the connecting frame and being fixedly connected with a rotating wheel.

[0012] As preferred by the utility model, the inside of the connecting frame is fixedly connected with a guide rod, and the transmission plate is sleeved on the surface of the guide rod and slidably connected with the guide rod.

[0013] As preferred by the utility model, the two sides of the top of the pressing plate are fixedly connected with movable blocks, the inner side of the movable block is movably connected with a push plate through a pin shaft, the side away from the movable block of the push plate contacts the top of the cloth, the top of the pressing plate is fixedly connected with a vertical plate located on the inner side of the movable block, the outer side of the vertical plate is fixedly connected with a spring plate, the side away from the vertical plate of the spring plate contacts the surface of the push plate, and the push plate can push the two sides of the cloth when following the pressing plate to descend, thereby improving the tension of the cloth.

[0014] As preferred by the utility model, the side away from the movable block of the push plate is movably connected with a compression roller through a pin shaft, and the outer surface of the compression roller contacts the surface of the cloth.

[0015] As preferred by the utility model, the two sides of the pressing plate are fixedly connected with limit plates, the side away from the pressing plate of the limit plate can contact the inner side of the push plate, and the limit plate can limit the reset swing angle of the pressing plate.

[0016] Compared with the prior art, the utility model has the advantages that:

[0017] 1. The utility model discloses a platform, suture module, cloth, connecting block, pressing plate and other components integrated design, realize accurate positioning and fixed of cloth, the movable connection design of pressing plate makes it can swing according to the need, releases or fixed to cloth to meet the positioning demand in the suture process, in addition, the openwork design of pressing plate surface allows the needle stitch of suture module to penetrate cloth and sew, and will not be hindered by the pressing plate.

[0018] 2. The utility model discloses the combination of connecting frame, screw rod, transmission plate, cover plate, slide rod and runner, realize accurate control to the swing of pressing plate, the rotation of screw rod can drive transmission plate to move in connecting frame, and then swing through slide rod and cover plate and push pressing plate, the setting of runner makes the operation more convenient, just need to rotate runner to realize the adjustment of pressing plate position.

[0019] 3. The utility model discloses the guide rod fixedly connected in connecting frame interior provides stable sliding track for transmission plate, ensures the stability and accuracy of transmission plate in the moving process, and transmission plate is set on the surface of guide rod and is slidably connected with guide rod, effectively prevents the deviation or shaking of transmission plate in the moving process, thereby improve the accuracy and stability of pressing plate swing.

[0020] 4. The utility model discloses the movable block and pressing plate movable connection, when pressing plate drops, push plate can follow pressing plate and push the both sides of cloth, thereby improve the tension of cloth, and the setting of vertical plate and elastic plate ensures that push plate can keep stable thrust when pushing cloth, prevents push plate from damaging due to uneven stress, not only improve the suture quality of cloth, still prolongs the service life of mechanism.

[0021] 5. The utility model discloses the compression roller of push plate far from movable block's one side through the movable connection of pin shaft, and the outer surface of compression roller is contacted with the surface of cloth, and the setting of compression roller makes push plate can more smoothly contact the surface of cloth when pushing cloth, reduces the friction and damage of cloth surface, and simultaneously, compression roller can further play the role of fixed cloth, improves the accuracy and stability of suture.

[0022] 6. The utility model discloses the both sides of pressing plate are all fixedly connected with limit plate, and the side of limit plate far from pressing plate can be contacted with the inside of push plate, and the reset swing angle of pressing plate is limited, prevents the damage of mechanism or influence suture quality because of excessive swing in the swing process of pressing plate. ACCURACY

[0023] Figure 1 It is the structure schematic drawing of the utility model;

[0024] Figure 2 It is the structure schematic drawing of the utility model from the bottom;

[0025] Figure 3The rear view structure schematic diagram of the utility model shows that

[0026] Figure 4 The utility model discloses Figure 1 The enlarged structure schematic diagram of place A.

[0027] In the drawing: 1, platform, 2, suture module, 3, cloth, 4, connecting block, 5, pressing plate, 6, transmission structure, 7, connecting frame, 8, screw rod, 9, transmission plate, 10, cover plate, 11, sliding rod, 12, runner, 13, guide rod, 14, movable block, 15, push plate, 16, vertical plate, 17, elastic plate, 18, compression roller, 19, limiting plate. DETAILED DESCRIPTION

[0028] The technical scheme in the embodiments of the utility model will be described clearly and completely below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model and not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skill in the art without creative labor belong to the protection scope of the utility model.

[0029] As Figures 1 to 4 Indicated, the utility model provides a kind of positioning mechanism of suture machine, including platform 1;

[0030] Suture module 2 is fixedly connected on the top of platform 1, and suture module 2 is the part responsible for performing suture operation in existing suture machine, for passing needle thread through cloth and forming continuous suture line, so that different parts of cloth are firmly connected together, usually including motor or other driving device, for providing necessary power and speed control, including needle, thread, tension regulator and other components, for ensuring that needle thread can smoothly pass through cloth and form reliable suture line;

[0031] Cloth 3 is placed on the top of platform 1 and waits for suture module 2 to suture;

[0032] The inner side of connecting block 4 is movably connected with pressing plate 5 through pin shaft, and the side of pressing plate 5 away from connecting block 4 extends to the top of platform 1 and contacts with the surface of cloth 3, the surface of pressing plate 5 is hollow, the bottom of platform 1 is provided with transmission structure 6, and transmission structure 6 can drive pressing plate 5 to swing and release or fix cloth 3.

[0033] Reference Figure 2The transmission structure 6 comprises a connecting frame 7 fixedly connected at the bottom of the platform 1, a screw rod 8 movably connected in the connecting frame 7 through a bearing, a transmission plate 9 threadedly connected on the surface of the screw rod 8, the transmission plate 9 extending to the bottom of the pressing plate 5 at the side away from the screw rod 8, a sleeve plate 10 fixedly connected on both ends of the pressing plate 5 through a pin shaft, the sleeve plate 10 extending to the outside of the transmission plate 9 at the side away from the pressing plate 5, a sliding rod 11 fixedly connected on both ends of the transmission plate 9 in the sleeve plate 10, the sliding rod 11 being slidably connected with the sleeve plate 10, and a rotating wheel 12 fixedly connected on the front end of the screw rod 8 and penetrating through the front side of the connecting frame 7.

[0034] As a technical optimization scheme of the utility model, the combination of the connecting frame 7, the screw rod 8, the transmission plate 9, the sleeve plate 10, the sliding rod 11 and the rotating wheel 12 realizes the accurate control of the swinging of the pressing plate 5, the rotation of the screw rod 8 can drive the transmission plate 9 to move in the connecting frame 7, and then the sliding rod 11 and the sleeve plate 10 push the pressing plate 5 to swing, and the setting of the rotating wheel 12 makes the operation more convenient, and the adjustment of the position of the pressing plate 5 can be realized by only rotating the rotating wheel 12.

[0035] Reference Figure 2 The inside of the connecting frame 7 is fixedly connected with a guide rod 13, and the transmission plate 9 is sleeved on the surface of the guide rod 13 and slidably connected with the guide rod 13.

[0036] As a technical optimization scheme of the utility model, the guide rod 13 fixedly connected in the connecting frame 7 provides a stable sliding track for the transmission plate 9, ensuring the stability and accuracy of the transmission plate 9 during movement, the transmission plate 9 is sleeved on the surface of the guide rod 13 and slidably connected with the guide rod 13, effectively preventing the deviation or shaking of the transmission plate 9 during movement, thereby improving the accuracy and stability of the swinging of the pressing plate 5.

[0037] Reference Figure 3 Both sides of the top of the pressing plate 5 are fixedly connected with movable blocks 14, the inside of the movable block 14 is movably connected with a push plate 15 through a pin shaft, the side away from the movable block 14 of the push plate 15 is in contact with the top of the cloth 3, the top of the pressing plate 5 is fixedly connected with a vertical plate 16 inside the inside of the movable block 14, the outside of the vertical plate 16 is fixedly connected with an elastic plate 17, the side away from the vertical plate 16 of the elastic plate 17 is in contact with the surface of the push plate 15, and the push plate 15 can push the two sides of the cloth 3 when following the pressing plate 5 to descend, improving the tension of the cloth 3.

[0038] As a technical optimization scheme of the utility model, through the movable block 14 and the pressing plate 5 swing connection, when the pressing plate 5 drops, the push plate 15 can follow the pressing plate 5 and push the both sides of the cloth 3, so as to improve the tension of the cloth 3, the setting of the vertical plate 16 and the elastic plate 17 ensures that the push plate 15 can keep stable thrust when pushing the cloth 3, prevents the push plate 15 from damaging due to uneven stress, not only improves the sewing quality of the cloth 3, but also prolongs the service life of the mechanism.

[0039] Reference Figure 4 The side of the push plate 15 away from the movable block 14 is swing connected with the compression roller 18 through the pin shaft, and the outer surface of the compression roller 18 is in contact with the surface of the cloth 3.

[0040] As a technical optimization scheme of the utility model, through the push plate 15 away from the movable block 14 side swing connection of the compression roller 18 through the pin shaft, the outer surface of the compression roller 18 is in contact with the surface of the cloth 3, the setting of the compression roller 18 makes the push plate 15 more smoothly contact the surface of the cloth 3 when pushing the cloth 3, reduces the friction and damage of the surface of the cloth 3, at the same time, the compression roller 18 can also play the role of further fixing the cloth 3, improves the accuracy and stability of sewing.

[0041] Reference Figure 4 The both sides of the pressing plate 5 are fixedly connected with the limiting plate 19, and the side of the limiting plate 19 away from the pressing plate 5 can be in contact with the inner side of the push plate 15, and the limiting plate 19 can limit the reset swing angle of the pressing plate 5.

[0042] As a technical optimization scheme of the utility model, through the both sides of the pressing plate 5 are fixedly connected with the limiting plate 19, and the side of the limiting plate 19 away from the pressing plate 5 can be in contact with the inner side of the push plate 15, the reset swing angle of the pressing plate 5 is limited, which prevents the pressing plate 5 from damaging the mechanism or affecting the sewing quality due to excessive swing during swing.

[0043] The working principle and use process of the utility model: the positioning mechanism of the sewing machine is in non-working state, the platform 1 top is placed with the cloth 3 to be sewn, when needing to fix the cloth 3, the operator rotates the rotating wheel 12, the rotating wheel 12 drives the screw rod 8 to rotate on the bearing in the connecting frame 7, the rotation of the screw rod 8 causes the transmission plate 9 connected with it to move axially in the connecting frame 7 along the screw rod 8, because the both ends of the transmission plate 9 are connected with the sleeve plate 10 through the slide bar 11, and the sleeve plate 10 is fixedly connected on the pressing plate 5, therefore the movement of the transmission plate 9 will push or pull the pressing plate 5 to swing around the pin shaft, when the transmission plate 9 moves to the pressing plate 5 direction, the pressing plate 5 is subjected to downward force, swings downward around the pin shaft, until the pressing plate 5 completely covers the cloth 3 and exerts certain pressure, fixes the cloth 3 on the platform 1, at this time, the hollow design of the pressing plate 5 allows the needle stitch of the sewing module 2 to penetrate the cloth 3 and sew, while the pressing plate 5 is descending, the push plate 15 will descend along with the pressing plate 5 and push the both sides of the cloth 3, improves the tension of the cloth 3, the elastic plate 17 provides thrust force, ensures the push plate 15 and the cloth 3 are in close contact, the compression roller 18 further ensures the smooth contact on the surface of the cloth 3, after the pressing plate 5 fixes the cloth 3 and adjusts the tension, the sewing module 2 starts to work, sews the cloth 3, after sewing is completed, the operator reversely rotates the rotating wheel 12, the screw rod 8 rotates and drives the transmission plate 9 to move to the opposite direction, the movement of the transmission plate 9 causes the pressing plate 5 to swing upward around the pin shaft, releases the fixation to the cloth 3.

[0044] In summary: the positioning mechanism of the sewing machine, through the integrated design of the platform 1, the sewing module 2, the cloth 3, the connecting block 4, the pressing plate 5 and other components, realizes the accurate positioning and fixation of the cloth 3, the movable connection design of the pressing plate 5 makes it swing according to the need, releases or fixes the cloth 3, thereby meets the positioning demand in the sewing process, in addition, the hollow design on the surface of the pressing plate 5 allows the needle stitch of the sewing module 2 to penetrate the cloth 3 and sew, and will not be hindered by the pressing plate 5.

[0045] It should be noted that in this document, relational terms such as first and second and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0046] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A positioning mechanism of a suturing machine, comprising a platform (1); a suturing module (2) fixedly connected to the top of the platform (1); a cloth (3) placed on the top of the platform (1) and waiting for the suturing module (2) to perform suturing; characterized in that: both sides of the back of the platform (1) are fixedly connected with connecting blocks (4), the inner side of the connecting block (4) is movably connected with a pressing plate (5) through a pin shaft, the side of the pressing plate (5) away from the connecting block (4) extends to the top of the platform (1) and contacts the surface of the cloth (3), the surface of the pressing plate (5) is hollow, and the bottom of the platform (1) is provided with a transmission structure (6) capable of driving the pressing plate (5) to swing and releasing or fixing the cloth (3).

2. A positioning mechanism for a suturing machine according to claim 1, characterized in that: The transmission structure (6) comprises a connecting frame (7) fixedly connected to the bottom of the platform (1), a screw rod (8) movably connected with the inside of the connecting frame (7) through a bearing, a transmission plate (9) threadedly connected to the surface of the screw rod (8), the side of the transmission plate (9) away from the screw rod (8) extending to the bottom of the pressing plate (5), a sleeve plate (10) fixedly connected to both ends of the pressing plate (5) through a pin shaft, the side of the sleeve plate (10) away from the pressing plate (5) extending to the outside of the transmission plate (9), a sliding rod (11) fixedly connected to both ends of the transmission plate (9) and located inside the sleeve plate (10), the sliding rod (11) being slidably connected with the sleeve plate (10), and the front end of the screw rod (8) penetrating to the front side of the connecting frame (7) and being fixedly connected with a rotating wheel (12).

3. A positioning mechanism for a suturing machine according to claim 2, wherein: The inside of the connecting frame (7) is fixedly connected with a guide rod (13), and the transmission plate (9) is sleeved on the surface of the guide rod (13) and slidably connected with the guide rod (13).

4. A positioning mechanism for a suturing machine according to claim 2, wherein: Both sides of the top of the pressing plate (5) are fixedly connected with movable blocks (14), the inner side of the movable block (14) is movably connected with a push plate (15) through a pin shaft, the side of the push plate (15) away from the movable block (14) contacts the top of the cloth (3), the top of the pressing plate (5) is fixedly connected with a vertical plate (16) located inside the movable block (14), the outer side of the vertical plate (16) is fixedly connected with a spring plate (17), the side of the spring plate (17) away from the vertical plate (16) contacts the surface of the push plate (15), and the push plate (15) can push the two sides of the cloth (3) when following the pressing plate (5) to descend, thereby improving the tension of the cloth (3).

5. A positioning mechanism for a suturing machine according to claim 4, wherein: The side of the push plate (15) away from the movable block (14) is movably connected with a compression roller (18) through a pin shaft, and the outer surface of the compression roller (18) contacts the surface of the cloth (3).

6. A positioning mechanism for a suturing machine according to claim 4, wherein: Both sides of the pressing plate (5) are fixedly connected with limit plates (19), the side of the limit plate (19) away from the pressing plate (5) can contact the inner side of the push plate (15), and the limit plate (19) can limit the reset swing angle of the pressing plate (5).

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