Cloth pushing device of plain stitch sewing machine

Abstract

The utility model relates to the technical field of plain stitch sewing machines, and discloses a cloth pushing device of a plain stitch sewing machine, which comprises a sewing machine table board, and first positioning blocks are arranged on the front side and the rear side of the top of the sewing machine table board. According to the cloth pushing device of the plain stitch sewing machine, through the arrangement of the pushing assembly, the adjusting assembly and the clamping assemblies, a second threaded rod is rotated firstly to drive a front threaded plate, a rear threaded plate and the two clamping assemblies to move oppositely or oppositely so as to adapt to cloth of different sizes, then the cloth is placed outside two U-shaped bases, and the cloth can be pushed out of the U-shaped bases. At the moment, a threaded shaft is rotated to drive a fastening plate to move downwards to fix the cloth, then an electric sliding rail and an electric sliding block are powered on to drive the cloth to be pushed on a needle plate hole, sewing is conducted through cooperation of a machine needle and the needle plate hole, the cloth does not need to be manually pushed for sewing, unnecessary danger is reduced, and the sewing efficiency is improved. And the device is high in practicability and convenient to use by workers.

Description

Technical Field

[0001] The utility model relates to the technical field of flat-bed sewing machines, and particularly relates to a fabric pushing device for a flat-bed sewing machine. Background Technique

[0002] At present, when using a flat-bed sewing machine, it is still necessary to manually push the fabric for sewing, which is time-consuming and laborious, and is also likely to cause unnecessary harm to the staff. Therefore, a fabric pushing device for a flat-bed sewing machine is proposed to solve the above-mentioned technical problems. Content of the Utility Model

[0003] (1) Technical Problems to be Solved

[0004] Aiming at the deficiencies of the prior art, the utility model provides a fabric pushing device for a flat-bed sewing machine, which has the advantages of being able to automatically push the fabric, etc., and solves the problems that when using a flat-bed sewing machine at present, it is still necessary to manually push the fabric for sewing, which is time-consuming and laborious, and is also likely to cause unnecessary harm to the staff.

[0005] (2) Technical Solutions

[0006] To achieve the purpose of automatically pushing the fabric, the utility model provides the following technical solutions: A fabric pushing device for a flat-bed sewing machine includes a sewing machine tabletop. On both the front and rear sides of the top of the sewing machine tabletop, there are first positioning blocks. On both the front and rear sides of the top of the sewing machine tabletop, there are second positioning blocks. The second positioning blocks are located on the left side of the first positioning blocks. On the left side wall of the second positioning block, there is a first threaded rod with one end extending to its right side and rotatably connected to the left side wall of the first positioning block. On the outside of the front first threaded rod, there is a pushing component that is threadedly connected to the outside of the rear first threaded rod. On the outside of the pushing component, there is an adjusting component. On the outside of the adjusting component, there are two clamping components that are symmetrically distributed in the front and rear.

[0007] The pushing component includes an electric slide rail. On the outside of the front first threaded rod, there is an electric slide rail that is threadedly connected to the outside of the rear first threaded rod. On the outside of the electric slide rail, there is an electric slider. On the right side wall of the electric slider, there is a connecting frame.

[0008] The adjusting component includes a partition plate. Inside the inner wall of the connecting frame, there is a partition plate. On the front side of the inner wall of the connecting frame, there is a second threaded rod with one end passing through the partition plate and extending to the rear side of the connecting frame. On the outside of the second threaded rod, there are two threaded plates that are symmetrically distributed in the front and rear. The two threaded plates are respectively located on the front and rear sides of the partition plate. The right side walls of the two threaded plates extend to the right side of the connecting frame.

[0009] The clamping assembly includes a U-shaped seat. On the opposite sides of the front and rear threaded plates, there are U-shaped seats located on the right side of the connection frame. At the top of the U-shaped seat, there is a threaded shaft extending to its interior, and at the bottom of the threaded shaft, there is a fastening plate slidably connected to the inner wall of the U-shaped seat.

[0010] Preferably, a rotating disc is fixedly connected to the left side wall of the first threaded rod.

[0011] Preferably, two sections of threads with opposite directions are arranged on the outside of the second threaded rod, and the lengths of the two sections of threads are equal. A circular knob is fixedly connected to the rear side wall of the second threaded rod.

[0012] Preferably, long strip holes adapted to the moving tracks of the threaded plates are formed on the right side wall of the connection frame, and the number of long strip holes is two and they are symmetrically distributed front and back.

[0013] Preferably, a rubber anti-slip pad is fixedly connected to the bottom of the fastening plate, and a needle plate hole is formed on the outside of the sewing machine tabletop.

[0014] (III) Beneficial effects

[0015] Compared with the prior art, the present utility model provides a fabric pushing device for a flat-bed sewing machine, which has the following beneficial effects:

[0016] For the fabric pushing device of the flat-bed sewing machine, by setting a pushing assembly, an adjusting assembly and a clamping assembly, first rotate the second threaded rod to drive the front and rear threaded plates and the two clamping assemblies to move relatively or away from each other to adapt to fabrics of different sizes. Then place the fabric outside the two U-shaped seats. At this time, rotate the threaded shaft to drive the fastening plate to move downward to fix the fabric. Then, energize the electric slide rail and the electric slider to drive the fabric to be pushed on the needle plate hole, and then sew through the cooperation of the sewing needle and the needle plate hole. Thus, it is not necessary to manually push the fabric for sewing, reducing unnecessary risks, and the device has high practicability. Description of the drawings

[0017] Figure 1 It is a top view schematic diagram of the present utility model;

[0018] Figure 2 It is a front view schematic diagram of the threaded plate and the clamping assembly of the present utility model.

[0019] In the figure: 1, sewing machine tabletop; 2, first positioning block; 3, second positioning block; 4, first threaded rod; 5, pushing assembly; 51, electric slide rail; 52, electric slider; 53, connection frame; 6, adjusting assembly; 61, partition board; 62, second threaded rod; 63, threaded plate; 7, clamping assembly; 71, U-shaped seat; 72, threaded shaft; 73, fastening plate. Detailed implementation manners

[0020] The following will clearly and completely describe the technical solutions in the embodiments of the present utility model in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.

[0021] Please refer to Figure 1-2 , a fabric pushing device for a flat-bed sewing machine, including a sewing machine table 1. First positioning blocks 2 are fixedly connected to both the front and rear sides of the top of the sewing machine table 1. Second positioning blocks 3 are fixedly connected to both the front and rear sides of the top of the sewing machine table 1. The second positioning blocks 3 are located on the left side of the first positioning blocks 2. A first threaded rod 4 is movably connected to the left side wall of the second positioning block 3, and one end of the first threaded rod 4 extends to its right side and is rotatably connected to the left side wall of the first positioning block 2. A rotating disc is fixedly connected to the left side wall of the first threaded rod 4. A pushing assembly 5 is externally threaded to the front first threaded rod 4 and is externally threaded to the rear first threaded rod 4. The pushing assembly 5 includes an electric slide rail 51. The electric slide rail 51 is externally threaded to the front first threaded rod 4 and is externally threaded to the rear first threaded rod 4. An electric slider 52 is slidably connected to the outside of the electric slide rail 51. A connecting frame 53 is fixedly connected to the right side wall of the electric slider 52.

[0022] An adjusting assembly 6 is movably connected to the outside of the pushing assembly 5. The adjusting assembly 6 includes a partition plate 61. The partition plate 61 is fixedly connected to the inner wall of the connecting frame 53. A second threaded rod 62 is rotatably connected to the front side of the inner wall of the connecting frame 53, and one end of the second threaded rod 62 passes through the partition plate 61 and extends to the rear side of the connecting frame 53. Two sections of threads with opposite directions are provided on the outside of the second threaded rod 62, and the lengths of the two sections of threads are equal. A circular knob is fixedly connected to the rear side wall of the second threaded rod 62. Two threaded plates 63 are externally threaded to the second threaded rod 62 and are symmetrically distributed in the front and rear. The two threaded plates 63 are respectively located on the front and rear sides of the partition plate 61. The right side walls of the two threaded plates 63 extend to the right side of the connecting frame 53. Two long holes adapted to the moving tracks of the threaded plates 63 are opened on the right side wall of the connecting frame 53, and the two long holes are symmetrically distributed in the front and rear.

[0023] Two clamping assemblies 7 are fixedly connected to the outside of the adjusting assembly 6 and are symmetrically distributed in the front and rear. The clamping assembly 7 includes a U-shaped seat 71. The opposite sides of the front and rear two threaded plates 63 are fixedly connected with U-shaped seats 71 located on the right side of the connecting frame 53. A threaded shaft 72 is threaded to the top of the U-shaped seat 71, and one end of the threaded shaft 72 extends to its inside. A fastening plate 73 is movably connected to the bottom of the threaded shaft 72 and is slidably connected to the inner wall of the U-shaped seat 71. A rubber anti-slip pad is fixedly connected to the bottom of the fastening plate 73. A needle plate hole is opened on the outside of the sewing machine table 1.

[0024] It should be noted that both the electric slide rail 51 and the electric slider 52 appearing in this application document are externally connected with control switches and drive power supplies, and both the electric slide rail 51 and the electric slider 52 are conventional known devices. The standard parts used in this application document can all be purchased from the market. The specific connection methods of each part are all connected by conventional means such as bolts, rivets, welding, etc. that are mature in the prior art. Moreover, the machinery, parts, and equipment all adopt conventional models in the prior art, and the circuit connection adopts the conventional connection method in the prior art. The content not described in detail in the description belongs to the prior art well-known to those skilled in the art, and no specific description will be made here.

[0025] In summary, for the fabric pushing device of this flat needle sewing machine, by setting the pushing component 5, the adjusting component 6, and the clamping component 7, first rotate the second threaded rod 62 to drive the front and rear threaded plates 63 and the two clamping components 7 to move relatively or away from each other to adapt to fabrics of different sizes. Then place the fabric outside the two U-shaped seats 71. At this time, rotate the threaded shaft 72 to drive the fastening plate 73 to move downward to fix the fabric. At this time, then energize the electric slide rail 51 and the electric slider 52 to drive the fabric to be pushed on the needle plate hole, and then sew through the cooperation of the sewing needle and the needle plate hole. Furthermore, there is no need to manually push the fabric for sewing, reducing unnecessary risks. The device has high practicability and solves the problem that when using a flat needle sewing machine at present, it is still necessary to manually push the fabric for sewing, which is time-consuming and laborious, and is likely to cause unnecessary harm to the staff.

[0026] It should be noted that in this article, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or sequence between these entities or operations. Moreover, the term "comprising", "including" or any other variant thereof is intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements not only includes those elements, but also includes other elements not expressly listed, or also includes elements inherent to such process, method, article or device. Without further limitation, an element defined by the statement "including a..." does not exclude the existence of additional identical elements in the process, method, article or device including the said element.

[0027] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principle and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A cloth pushing device for a flat needle sewing machine, comprising a sewing machine table (1), characterized in that: The sewing machine table (1) is provided with a first positioning block (2) on both the front and rear sides of the top of the sewing machine table (1), and the second positioning block (3) is provided on both the front and rear sides of the top of the sewing machine table (1), the second positioning block (3) is located on the left side of the first positioning block (2), the left side wall of the second positioning block (3) is provided with a first threaded rod (4) with one end extending to the right side thereof and rotatably connected to the left side wall of the first positioning block (2), the front side of the first threaded rod (4) is provided with a pushing component (5) on the outside of the first threaded rod (4) on the rear side, the pushing component (5) is provided with an adjusting component (6) on the outside, and the adjusting component (6) is provided with two clamping components (7) on the outside thereof which are symmetrically distributed in the front and rear sides; The pushing assembly (5) comprises an electric slide rail (51), the electric slide rail (51) having one end threadedly connected to the outside of the first threaded rod (4) at the rear side is arranged outside the first threaded rod (4) at the front side, an electric slider (52) is arranged outside the electric slide rail (51), and a connection frame (53) is arranged on the right side wall of the electric slider (52); The adjustment component (6) comprises a partition (61), the inner wall of the connecting frame (53) is provided with the partition (61), the front side of the inner wall of the connecting frame (53) is provided with a second threaded rod (62) with one end penetrating the partition (61) and extending to the rear side of the connecting frame (53), the outside of the second threaded rod (62) is provided with two threaded plates (63) symmetrically distributed front and back, the two threaded plates (63) are respectively located on the front and rear sides of the partition (61), and the right side walls of the two threaded plates (63) both extend to the right side of the connecting frame (53); The clamping assembly (7) comprises a U-shaped seat (71), and the U-shaped seat (71) is arranged on the opposite sides of the front and rear threaded plates (63) and is located on the right side of the connecting frame (53). The top of the U-shaped seat (71) is provided with a threaded shaft (72) with one end extending into the interior thereof, and the bottom of the threaded shaft (72) is provided with a fastening plate (73) slidably connected to the inner wall of the U-shaped seat (71).

2. The cloth pushing device of a flat needle sewing machine according to claim 1, characterized in that: A rotating disc is fixedly connected to the left side wall of the first threaded rod (4).

3. The cloth pushing device of a flat needle sewing machine according to claim 1, characterized in that: The second threaded rod (62) is provided with two sections of threads in opposite directions on the outside, and the two sections of threads are of equal length. The rear side wall of the second threaded rod (62) is fixedly connected with a circular knob.

4. The cloth pushing device of a flat needle sewing machine according to claim 1, characterized in that: The right side wall of the connection frame (53) is provided with a long hole adapted to the moving track of the threaded plate (63), and the number of the long holes is two and they are symmetrically distributed front to back.

5. The cloth pushing device of a flat needle sewing machine according to claim 1, characterized in that: A rubber anti-skid pad is fixedly connected to the bottom of the fastening plate (73), and a needle plate eye is provided on the outside of the sewing machine table (1).

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