Automatic threading and sewing device for bed sheet and quilt cover
By designing a sheet cover automatic threading sewing device with automatic threading components including motor, screw, electric telescopic rod and arc spring, the existing automatic threading device is solved, and efficient and automated threading operation is achieved, and adaptability is improved.
Patent Information
- Application Number
- CN202421407001.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-19
- Publication Date
- 2025-03-14
- Estimated Expiration
- 2034-06-19
AI Technical Summary
The existing automatic sewing threading device has the problem of insufficient threading when used in actual use, which reduces the success rate of threading, consumes a lot of work hours, lacks automation, and cannot replace different threading devices according to needles of different models and specifications, resulting in lower adaptability.
A bed sheet cover automatic threading and sewing device is designed, including the body body, automatic threading assembly and needle. The automatic threading assembly realizes precise thread head propulsion and limit release through components such as motors, screws, electric telescopic rods and arc springs, and facilitates replacement of automatic threading assembly of different sizes through a detachable connection structure.
It improves the accuracy and success rate of threading, reduces working hours, enhances the level of automation, and uses a detachable design to adapt to needles of different models and specifications, improving the adaptability of the device.
Smart Images
Figure CN222613681U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of sewing machines, in particular to an automatic threading and sewing device for bed sheets and quilt covers. Background Art
[0002] Bed sheets are one of the textiles used on the bed, also known as quilts. Generally, wide fabrics with soft feel and good warmth retention are used. Quilt covers, commonly known as "quilt covers", are put on the outside of quilts to prevent the quilt from getting dirty and facilitate cleaning. Belonging to the category of bedding supplies, when bed sheets and quilt covers are processed, they are generally processed by sewing machines. Sewing machines are machines that use one or more sewing threads to form one or more stitches on the sewing materials to interweave or sew one or more layers of sewing materials. However, in real life, an automatic sewing threading device is needed.
[0003] The existing automatic sewing threading device has the problem of inaccurate threading during actual use, which reduces the success rate of threading, consumes a lot of man-hours, and has insufficient automation. In addition, the existing automatic threading device cannot replace different threading devices according to different models and specifications of needles, resulting in low adaptability. Utility Model Content
[0004] In order to solve the problem that the existing automatic sewing threading device has insufficient threading precision during actual use, thereby reducing the threading success rate, consuming more working hours, insufficient automation, and the existing automatic threading device cannot be replaced with different threading devices according to different models and specifications of machine needles, resulting in low adaptability; the purpose of the utility model is to provide an automatic threading and sewing device for sheets and quilt covers.
[0005] In order to solve the above technical problems, the utility model adopts the following technical solutions: an automatic threading sewing device for bed sheets and quilt covers, comprising a machine body, a machine needle is connected to the machine body, an automatic threading assembly is detachably provided on the machine body, the slide bar movably passes through the machine needle, and a hole is opened on the machine needle for matching with the slide bar;
[0006] The automatic threading assembly includes a fixing plate, which is detachably connected to the machine body, a rectangular groove is detachably provided on the upper surface of the fixing plate, a screw is rotatably provided on the inner surface of the rectangular groove, a motor is fixedly provided inside the fixing plate, the output end of the motor passes through the rectangular groove, the output end of the motor is fixedly connected to one end of the screw, a rectangular sleeve is threadedly sleeved on the outer surface of the screw, the rectangular sleeve is slidably fitted with the inner surface of the rectangular groove, a sliding rod is fixedly provided on the other end of the rectangular sleeve, the sliding rod is slidably fitted with the inner surface of the rectangular groove, an L-shaped groove is opened on the side of the sliding rod, an electric telescopic rod is fixedly provided in the L-shaped groove, and a top plate is provided on the output end of the electric telescopic rod. The top plate is slidably fitted with the inner surface of the L-shaped groove, and a circular groove is rotatably provided in the L-shaped groove, and a rotating rod is rotatably provided on the inner surface of the L-shaped groove, and a pressure block is fixedly sleeved on the outer surface of the rotating rod, and the top plate is in movably contact with the pressure block, and a rotating block is fixedly provided at the other end of the rotating rod, and the rotating block is rotatably connected to the inner surface of the circular groove, and a protrusion is fixedly provided on the outer surface of the rotating block, and the protrusion is slidably fitted with the inner surface of the circular groove, and a fixed block is fixedly provided on the inner surface of the circular groove, and an arc spring is fixedly provided between the fixed block and the protrusion, and three arc springs are provided, and the arc spring array is distributed between the fixed block and the protrusion, and a limit block is fixedly provided on the inner surface of the circular groove, and the protrusion is in rotatable contact with the limit block.
[0007] Preferably, a connecting block is provided in the body of the machine, a connecting groove is provided on the lower surface of the connecting block, a connecting rod is movably inserted in the connecting groove, the lower end of the connecting rod is fixedly connected to the upper surface of the fixing plate, circular holes are provided on the outer surfaces of the connecting rod and the connecting block, a bolt is movably inserted in the circular hole, and a nut is threadedly sleeved on the outer surface of the bolt.
[0008] Compared with the prior art, the beneficial effects of the utility model are:
[0009] 1. The utility model can place the thread end on the slide rod, and start the electric telescopic rod to push the top plate to move. The top plate contacts the pressure block, and the pressure block presses the thread end. Then, the motor can be started to rotate the screw rod, so that the rectangular sleeve plate sleeved on its outer surface can be moved, thereby pushing the slide rod to move. After the slide rod and the pressure block pass through the machine needle, the top plate can be moved back by the electric telescopic rod, and the rotating block and the rotating rod can be rotated by the arc spring to release the limit on the thread end.
[0010] 2. The utility model inserts the connecting rod into the connecting groove, and then inserts the bolt into the corresponding circular holes of the two, and then fixes them with nuts, so that automatic threading components of different sizes can be easily replaced. BRIEF DESCRIPTION OF THE DRAWINGS
[0011] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.
[0012] Figure 1 It is a schematic diagram of the structure of the utility model.
[0013] Figure 2 This is a schematic diagram of the fixed plate structure of the utility model.
[0014] Figure 3 This is a schematic diagram of the rectangular slot structure of the utility model.
[0015] Figure 4 For this utility model Figure 3 Enlarged structural diagram at A in the middle.
[0016] Figure 5 This is a schematic diagram of the connecting block structure of the utility model.
[0017] In the figure: 1. machine body; 11. needle; 21. connecting block; 211. connecting groove; 22. connecting rod; 23. round hole; 24. bolt; 25. nut; 3. automatic threading assembly; 31. fixing plate; 32. rectangular groove; 33. screw; 331. motor; 34. rectangular sleeve; 35. sliding rod; 36. L-shaped groove; 361. round groove; 37. electric telescopic rod; 371. top plate; 38. rotating rod; 381. rotating block; 382. protrusion; 39. pressing block; 4. fixing block; 41. limiting block; 42. arc spring. DETAILED DESCRIPTION
[0018] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0019] Example: Figure 1-5 As shown, the utility model provides an automatic threading sewing device for bed sheets and quilt covers, comprising a machine body 1, a machine needle 11 is connected to the machine body 1, and an automatic threading assembly 3 is detachably provided on the machine body 1;
[0020] The automatic threading assembly 3 includes a fixing plate 31, which is detachably connected to the machine body 1. A rectangular groove 32 is detachably provided on the upper surface of the fixing plate 31. A screw 33 is rotatably provided on the inner surface of the rectangular groove 32. A motor 331 is fixedly provided inside the fixing plate 31. The output end of the motor 331 passes through the rectangular groove 32. The output end of the motor 331 is fixedly connected to one end of the screw 33. A rectangular sleeve 34 is threadedly sleeved on the outer surface of the screw 33. The rectangular sleeve 34 is slidably fitted with the inner surface of the rectangular groove 32. A slide bar 35 is fixedly arranged at the other end of the rectangular groove 34, and the slide bar 35 is slidably fitted with the inner surface of the rectangular groove 32. An L-shaped groove 36 is opened on the side of the slide bar 35, and an electric telescopic rod 37 is fixedly arranged in the L-shaped groove 36. A top plate 371 is arranged at the output end of the electric telescopic rod 37, and the top plate 371 is slidably fitted with the inner surface of the L-shaped groove 36. A circular groove 361 is rotatably arranged in the L-shaped groove 36, and a rotating rod 38 is rotatably arranged on the inner surface of the L-shaped groove 36. A pressure block 39 is fixedly arranged on the outer surface of the rotating rod 38, and the pressure block 39 also moves through the needle 11. The top plate 371 The rotating rod 38 is in active contact with the pressing block 39. The other end of the rotating rod 38 is fixed with a rotating block 381. The rotating block 381 is rotatably connected to the inner surface of the circular groove 361. The outer surface of the rotating block 381 is fixed with a protrusion 382. The protrusion 382 is slidably fitted with the inner surface of the circular groove 361. The inner surface of the circular groove 361 is fixed with a fixed block 4. An arc spring 42 is fixed between the fixed block 4 and the protrusion 382. The inner surface of the circular groove 361 is fixed with a limit block 41. The protrusion 382 is in rotatable contact with the limit block 41. The thread head can be placed on the sliding rod 35, the top plate 371 can be pushed to move by starting the electric telescopic rod 37, and the top plate 371 contacts the pressure block 39, so that the pressure block 39 is rotated by the rotating rod 38 and the rotating block 381, and the pressure block 39 presses the thread head, and then the screw rod 33 can be rotated by starting the motor 331, so that the rectangular sleeve plate 34 sleeved on its outer surface can be moved, thereby pushing the slide bar 35 to move, when the slide bar 35 and the pressure block 39 pass through the needle 11, the top plate 371 can be moved back by the electric telescopic rod 37, and the rotating block 381 and the rotating rod 38 can be rotated by the arc spring 42, and the limit of the thread head is released;
[0021] The body 1 is provided with a connecting block 21, a connecting groove 211 is provided on the lower surface of the connecting block 21, a connecting rod 22 is movably inserted in the connecting groove 211, the lower end of the connecting rod 22 is fixedly connected to the upper surface of the fixing plate 31, and a circular hole 23 is provided on the outer surface of the connecting rod 22 and the connecting block 21, a bolt 24 is movably inserted in the circular hole 23, and a nut 25 is threadedly sleeved on the outer surface of the bolt 24. By inserting the connecting rod 22 into the connecting groove 211, the bolt 24 can be inserted into the corresponding circular hole 23 of the two, and then fixed with the nut 25, so as to facilitate the replacement of automatic threading components 3 of different sizes;
[0022] There are three arc springs 42, and the arc spring 42 array is distributed between the fixed block 4 and the protrusion 382 to improve the stability after connection. The cross-sectional shape of the rectangular groove 32 is "convex" shaped, which is convenient for connecting the slide rod 35 and the screw rod 33. A groove for matching the motor 331 is opened in the fixed plate 31 for placing the motor 331. The cross-sectional shape of the rectangular sleeve 34 is "L" shaped. The slide rod 35 movably passes through the machine needle 11, and a hole is opened on the machine needle 11 to cooperate with the slide rod 35 for easy threading.
[0023] Working principle: When the utility model is used, the connecting rod 22 is inserted into the connecting groove 211, and then the bolt 24 can be inserted into the corresponding circular hole 23 of the two, and then fixed with the nut 25, so as to facilitate the replacement of automatic threading components 3 of different sizes;
[0024] The thread end can be placed on the slide bar 35, and the top plate 371 can be pushed to move by starting the electric telescopic rod 37. The top plate 371 contacts the pressure block 39, so that the pressure block 39 is rotated through the rotating rod 38 and the rotating block 381, and the pressure block 39 presses the thread end. Then, the screw rod 33 can be rotated by starting the motor 331, so that the rectangular sleeve plate 34 mounted on its outer surface can be moved, thereby pushing the slide bar 35 to move. After the slide bar 35 and the pressure block 39 pass through the needle 11, the top plate 371 can be moved back through the electric telescopic rod 37, and the rotating block 381 and the rotating rod 38 can be rotated by the arc spring 42 to release the limit on the thread end.
[0025] Obviously, those skilled in the art can make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. Thus, if these modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include these modifications and variations.
Claims
1. A bed sheet and quilt cover automatic threading and sewing device, comprising a body (1), characterized in that: The machine body (1) is connected to a needle (11), and the machine body (1) is detachably provided with an automatic threading assembly (3); The automatic threading assembly (3) comprises a fixing plate (31), the fixing plate (31) being detachably connected to the machine body (1), the upper surface of the fixing plate (31) being detachably provided with a rectangular groove (32), the inner surface of the rectangular groove (32) being rotatably provided with a screw rod (33), a motor (331) being fixedly provided inside the fixing plate (31), the output end of the motor (331) passing through the rectangular groove (32), the output end of the motor (331) being fixed to one end of the screw rod (33) The outer surface of the screw rod (33) is threadedly sleeved with a rectangular sleeve (34), and the rectangular sleeve (34) is slidably fitted with the inner surface of the rectangular groove (32). A sliding rod (35) is fixedly provided at the other end of the rectangular sleeve (34), and the sliding rod (35) is slidably fitted with the inner surface of the rectangular groove (32). An L-shaped groove (36) is provided on the side of the sliding rod (35), and an electric telescopic rod (37) is fixedly provided in the L-shaped groove (36). The output of the electric telescopic rod (37) A top plate (371) is provided at one end, the top plate (371) is slidably fitted with the inner surface of the L-shaped groove (36), a circular groove (361) is rotatably provided in the L-shaped groove (36), a rotating rod (38) is rotatably provided on the inner surface of the L-shaped groove (36), a pressing block (39) is fixedly sleeved on the outer surface of the rotating rod (38), the top plate (371) is in active contact with the pressing block (39), a rotating block (381) is fixedly provided at the other end of the rotating rod (38), the rotating block (381) is rotatably fitted with the inner surface of the L-shaped groove (36), ) is rotatably connected to the inner surface of the circular groove (361); a protrusion (382) is fixedly provided on the outer surface of the rotating block (381); the protrusion (382) is slidably fitted with the inner surface of the circular groove (361); a fixed block (4) is fixedly provided on the inner surface of the circular groove (361); an arc spring (42) is fixedly provided between the fixed block (4) and the protrusion (382); a limit block (41) is fixedly provided on the inner surface of the circular groove (361); the protrusion (382) is in rotatable contact with the limit block (41).
2. The automatic threading and sewing device for bed sheets and quilt covers as claimed in claim 1, characterized in that: A connecting block (21) is provided in the machine body (1), a connecting groove (211) is provided on the lower surface of the connecting block (21), a connecting rod (22) is movably inserted in the connecting groove (211), the lower end of the connecting rod (22) is fixedly connected to the upper surface of the fixing plate (31), the outer surfaces of the connecting rod (22) and the connecting block (21) are both provided with circular holes (23), a bolt (24) is movably inserted in the circular hole (23), and a nut (25) is threadedly sleeved on the outer surface of the bolt (24).
3. The automatic threading and sewing device for bed sheets and quilt covers as claimed in claim 1, characterized in that: The arc-shaped springs (42) are provided in three numbers, and the arc-shaped springs (42) are distributed in an array between the fixing block (4) and the protrusion (382).
4. The automatic threading and sewing device for bed sheets and quilt covers as claimed in claim 1, characterized in that: The cross-sectional shape of the rectangular groove (32) is a "convex" shape.
5. The automatic threading and sewing device for bed sheets and quilt covers as claimed in claim 1, characterized in that: The fixing plate (31) is provided with a slot for matching the motor (331).
6. The automatic threading and sewing device for bed sheets and quilt covers as claimed in claim 1, characterized in that: The cross-sectional shape of the rectangular sleeve plate (34) is "L" shaped.
7. The automatic threading and sewing device for bed sheets and quilt covers as claimed in claim 1, characterized in that: The slide bar (35) movably penetrates the machine needle (11), and a hole used in conjunction with the slide bar (35) is provided on the machine needle (11).