Top fly sewing machine

By automatically absorbing flat fabrics in the plaster sewing machine using breathable plates and material transfer components, and stamping and cutting after sewing is completed, the sewing deviation problems caused by wrinkles and twists in the prior art are solved, and the sewing efficiency and quality are improved.

CN222935648UActive Publication Date: 2025-06-03NINGBO DAYU AUTOMATION EQUIP CO LTD
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Patent Information

Application Number
CN202421830441.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-31
Publication Date
2025-06-03
Estimated Expiration
2034-07-31

AI Technical Summary

Technical Problem

The existing fully automatic placket sewing machine is prone to fabric wrinkles and twists during the sewing process, resulting in sewing deviations. It requires separate shear after sewing, which is less efficient.

Method used

A fly sewing machine is designed, which uses breathable plates and material transfer components to automatically absorb flat fabrics to ensure that the fabric is flat and sews, and directly stamping and cutting after sewing is completed to avoid separate cutting.

Benefits of technology

Through automatic smoothing and stamping cutting, the sewing efficiency is improved, the sewing deviation caused by fabric wrinkles and twists are avoided, and the sewing quality is ensured.

✦ Generated by Eureka AI based on patent content.

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  • Figure CN222935648U_ABST
    Figure CN222935648U_ABST
Patent Text Reader

Abstract

The utility model discloses a top fly sewing machine which comprises a working panel, a sewing machine body is arranged on the inner side of the working panel, a breathable plate is arranged on the surface of the working panel, breathable holes are evenly formed in the breathable plate in a penetrating mode, the breathable holes penetrate through the working panel, and a bottom cavity is formed in the surface of the bottom of the working panel; a first sliding block is slidably arranged on the surface of the first sliding seat; the material moving assembly comprises a lifting seat, an adsorption plate and a first hydraulic lifting rod, and the material moving assembly is arranged on the front side of the first sliding block; the pressing rod is arranged at the bottom of the first sliding seat; and the positioning frame is provided with two positioning rods, and a cutting piece is arranged between the two positioning rods. The cloth can be automatically sucked to be flat, the cloth is moved for sewing after being prevented from being wrinkled, the cloth is integrally pressed to be flat in the moving process, then top fly sewing is carried out, stamping cutting is directly carried out after sewing is completed, independent cutting is not needed, efficiency is improved, and quality is guaranteed.
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Description

Technical Field

[0001] The utility model relates to the technical field of sewing equipment, in particular to a placket sewing machine. Background Art

[0002] At present, there are generally two methods to process a placket on a fabric product. One is to manually sew it with an ordinary flat sewing machine, and the other is to automatically sew it with a full-automatic placket sewing machine.

[0003] When manually sewing with an ordinary flat sewing machine, several sewing lines are first sewn on the fabric, and then the fabric is taken off and the part between the sewing lines is cut with scissors or a blade. It is very difficult to control the length, straightness and inclination of the sewing lines during manual sewing, and it is easy to cut the fabric when manually cutting the fabric. Therefore, the speed of manually sewing the placket is slow and the process quality is unstable. When automatically sewing with a placket sewing machine, the overall efficiency is improved, and more and more full-automatic placket sewing machines are applied in the sewing field.

[0004] During the sewing process of the existing full-automatic placket sewing machine, it is necessary to continuously feed the fabric. When feeding the fabric, the fabric is prone to wrinkles and distortion, resulting in deviation during the sewing process. Moreover, it is necessary to perform separate cutting after sewing, and the efficiency is low. Summary of the Utility Model

[0005] The utility model provides a placket sewing machine, which can automatically flatten the fabric, avoid wrinkles and then move it for sewing, and flatten the whole fabric during the moving process to keep it flat and then perform placket sewing. After sewing, it directly performs stamping and cutting, and there is no need for separate cutting, improving the efficiency and ensuring the quality.

[0006] In order to solve the above technical problems, the utility model provides a placket sewing machine, including:

[0007] A working panel, with a sewing machine arranged inside, an air-permeable plate arranged on the surface of the working panel, the air-permeable plate is uniformly provided with air-permeable holes, the air-permeable holes penetrate through the working panel, and a bottom cavity is arranged on the bottom surface of the working panel;

[0008] A first sliding seat, with a first sliding block slidably arranged on the surface;

[0009] A material moving assembly, including a lifting seat, an adsorption plate and a first hydraulic lifting rod, the material moving assembly is arranged on the front side of the first sliding block;

[0010] A pressing rod, arranged at the bottom of the first sliding seat;

[0011] A positioning frame, arranged as two positioning rods, with a cutting piece arranged between the two positioning rods, the cutting piece includes a lifting block, and two cutting blocks are arranged at the bottom of the lifting block, and the two cutting blocks are inclined and symmetrically arranged;

[0012] The second sliding seat is provided with a second sliding block sliding at the bottom. A support plate is arranged at the bottom of the second sliding block. A support frame is fixedly arranged at the bottom of the support plate. An activity plate is arranged inside the support frame and one end is connected with a connecting rod. The connecting rod is connected with the positioning frame.

[0013] As a preference of the above technical solution, the sewing machine is provided with a sewing head. A sewing panel is arranged at the bottom of the sewing head. The positioning frame is arranged on the top of the sewing panel. The cutting block is arranged on the front side of the sewing panel.

[0014] As a preference of the above technical solution, a connection port is arranged at the bottom of the bottom cavity. A blower is arranged at the bottom of the working panel. The blower is connected with the connection port through an air duct.

[0015] As a preference of the above technical solution, a first motor is arranged at one end of the first sliding seat. A second motor is arranged outside the second sliding seat. Transmission racks and transmission gears are arranged inside both the first sliding seat and the second sliding seat, and chutes are arranged outside. The first sliding block and the second sliding block respectively penetrate through the chutes and are connected with the transmission racks inside the first sliding seat and the second sliding seat.

[0016] As a preference of the above technical solution, a vacuum generator is arranged inside the lifting seat. Air permeable openings are uniformly arranged through the adsorption plate. The first hydraulic lifting rod is arranged at the top of the lifting seat. One end at the top of the first hydraulic lifting rod is provided with a mounting plate. The mounting plate is fixedly connected with the first sliding block.

[0017] As a preference of the above technical solution, a support is fixedly arranged on the top of the working panel. The first sliding seat is arranged on the front side of the support. The pressing rod is arranged at the bottom of the support. A second hydraulic lifting rod is arranged between the pressing rod and the support. A protective cover is arranged outside the support. The second sliding seat is arranged inside the protective cover.

[0018] As a preference of the above technical solution, the cutting piece further includes a positioning plate. The positioning plate is arranged at the bottom of the support. Positioning pieces are uniformly arranged between the positioning plate and the lifting block. The cutting block is arranged at the top of the two lifting blocks fixedly arranged at the bottom.

[0019] As a preference of the above technical solution, a motor is arranged on the inner wall of the support frame. The output end of the motor is connected with a transmission disc. The transmission disc is arranged on the outer wall of the activity plate.

[0020] As a preference of the above technical solution, a feeding box is arranged outside the material transfer assembly. A lifting plate is arranged inside the feeding box. A third hydraulic lifting rod is arranged at the bottom of the lifting plate. The surface of the lifting plate is used for placing sewing products.

[0021] The utility model provides a placket sewing machine, which has a ventilation plate, a material moving assembly, a pressing rod, a positioning frame and a cutting piece. After the fabric to be sewn moves to the surface of the ventilation plate of the working panel, the blower works to adsorb and flatten the fabric. Then, the material moving assembly drives the adsorption plate to move downward through the first hydraulic lifting rod to level and flatten the surface of the fabric for positioning. Subsequently, the first motor outside the first sliding seat works to drive the entire material moving assembly and the fabric to move on the surface of the working panel. After moving to the front side of the positioning frame, the second hydraulic lifting rod drives the pressing rod to move downward to press and position the outside of the fabric. At the same time, the second motor drives the entire support frame to move forward, and can also drive the positioning frame to move forward. And the motor on the inner wall of the support frame works to drive the movable plate to rotate and adjust the angle downward, driving the positioning frame to move downward to press the surface of the fabric. After that, the second motor works again to drive the support frame and the fabric as a whole to move backward. After moving the fabric to the surface of the sewing panel, the sewing head of the sewing machine performs the placket sewing operation. After sewing is completed, the third hydraulic lifting rod works to push the entire lifting block and the cutting block at the bottom to perform stamping and cutting on the sewn fabric, enabling fast cutting without the need for shearing, and the position of the cutting block can be adjusted according to the sewing position and angle. Then, the whole resets and drives the next fabric to move again for the placket sewing operation. The whole can automatically flatten the fabric, avoid wrinkles and then move for sewing, and press the whole fabric flat and keep it flat during the moving process before performing the placket sewing. After sewing is completed, stamping and cutting are directly carried out, eliminating the need for separate cutting, improving efficiency and ensuring quality.

[0022] The above description is only an overview of the technical solution of the utility model. In order to be able to understand the technical means of the utility model more clearly, it can be implemented according to the content of the specification. And in order to make the above and other purposes, features and advantages of the utility model more obvious and understandable, the following specifically gives the specific embodiments of the utility model. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 is the overall structural schematic diagram of the utility model;

[0024] Figure 2 is the structural schematic diagram of the working panel of the utility model;

[0025] Figure 3 is the structural schematic diagram of the material moving assembly of the utility model;

[0026] Figure 4 is the structural schematic diagram of the cutting piece of the utility model.

[0027] In the figure: 1 working panel, 11 sewing machine, 12 sewing panel, 13 blower, 2 air-permeable plate, 21 bottom cavity, 22 connection port, 3 first sliding seat, 31 first motor, 32 first sliding block, 4 material transfer assembly, 41 lifting seat, 42 adsorption plate, 43 first hydraulic lifting rod, 44 mounting plate, 45 vacuum generator, 5 pressure rod, 6 bracket, 61 protective cover, 7 positioning frame, 71 cutting piece, 72 lifting block, 73 cutting block, 74 positioning plate, 75 positioning piece, 8 second sliding seat, 81 second motor, 82 support plate, 83 second sliding block, 84 support frame, 85 movable plate, 86 connecting rod, 9 feeding box. Detailed implementation manners

[0028] To make the objectives, features, and advantages of the present utility model more obvious and understandable, the technical solutions in the embodiments of the present utility model will be clearly and completely described below 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 embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative efforts shall fall within the protection scope of the present utility model.

[0029] Refer to Figures 1-4 , an embodiment of the present utility model provides a placket sewing machine, including:

[0030] A working panel 1, with a sewing machine 11 provided inside, an air-permeable plate 2 provided on the surface of the working panel 1, the air-permeable plate 2 is uniformly provided with air-permeable holes, the air-permeable holes penetrate through the working panel 1, and a bottom cavity 21 is provided on the bottom surface of the working panel 1;

[0031] A first sliding seat 3, with a first sliding block 32 slidably provided on the surface;

[0032] A material transfer assembly 4, including a lifting seat 41, an adsorption plate 42, and a first hydraulic lifting rod 43, the material transfer assembly 4 is provided on the front side of the first sliding block 32;

[0033] A pressure rod 5, provided at the bottom of the first sliding seat 3;

[0034] A positioning frame 7, provided as two positioning rods, a cutting piece 71 is provided between the two positioning rods, the cutting piece 71 includes a lifting block 72, and two cutting blocks 73 are provided at the bottom of the lifting block 72, and the two cutting blocks 73 are inclined and symmetrically arranged;

[0035] A second sliding seat 8, with a second sliding block 83 slidably provided at the bottom, a support plate 82 is provided at the bottom of the second sliding block 83, a support frame 84 is fixedly provided at the bottom of the support plate 82, a movable plate 85 is provided inside the support frame 84 and one end is connected with a connecting rod 86, and the connecting rod 86 is connected with the positioning frame 7.

[0036] This embodiment provides a placket sewing machine, which has a ventilation plate 2, a material transfer assembly 4, a pressure bar 5, a positioning frame 7 and a cutting piece 71. After the fabric to be sewn is moved to the surface of the ventilation plate 2 of the working panel 1, the blower 13 works to adsorb and flatten the fabric. Then, the material transfer assembly 4 drives the adsorption plate 42 to move downward through the first hydraulic lifting rod 43 to level, flatten and position the surface of the fabric. Subsequently, the first motor 31 outside the first sliding seat 3 works to drive the entire material transfer assembly 4 and the fabric to move on the surface of the working panel 1. After moving to the front side of the positioning frame 7, the second hydraulic lifting rod drives the pressure bar 5 to move downward to press and position the outside of the fabric. At the same time, the second motor 81 drives the entire support frame 84 to move forward, which can also drive the positioning frame 7 to move forward. And the motor on the inner wall of the support frame 84 works to drive the movable plate 85 to rotate and adjust the angle downward, driving the positioning frame 7 to move downward to press the surface of the fabric. After that, the second motor 81 works again to drive the support frame 84 and the fabric as a whole to move backward. After moving the fabric to the surface of the sewing panel 12, the sewing head of the sewing machine 11 performs the placket sewing operation. After sewing is completed, the third hydraulic lifting rod 75 works to push the entire lifting block 72 and the cutting block 73 at the bottom to perform stamping and cutting on the sewn fabric. Quick cutting is performed without the need for shearing, and the position of the cutting block 73 can be adjusted according to the sewing position and angle. Subsequently, the whole resets and drives the next fabric to move again for the placket sewing operation. The whole can automatically flatten the fabric, avoid wrinkles and then move for sewing, and press the whole fabric flat and keep it flat during the moving process before performing the placket sewing. After sewing is completed, stamping and cutting are directly performed without the need for separate cutting, improving efficiency and ensuring quality.

[0037] In a further implementable manner of this embodiment, the sewing machine 11 is provided with a sewing head, the bottom of the sewing head is provided with a sewing panel 12, the positioning frame 7 is arranged on the top of the sewing panel 12, and the cutting block 73 is arranged on the front side of the sewing panel 12.

[0038] The cutting block 73 in this embodiment is inclined, which can facilitate cutting the position of the placket sewing and can also be adjusted according to the sewing angle and position.

[0039] In a further implementable manner of this embodiment, a connection port 22 is provided at the bottom of the bottom cavity 21, a blower 13 is provided at the bottom of the working panel 1, and the blower 13 is connected to the connection port 22 through an air duct.

[0040] The blower 13 in this embodiment can adsorb the fabric on the surface through the ventilation plate 2 to make it flat and avoid wrinkles.

[0041] In a further implementable manner of this embodiment, a first motor 31 is provided at one end of the first sliding seat 3, and a second motor 81 is provided outside the second sliding seat 8. Transmission racks and transmission gears are provided inside both the first sliding seat 3 and the second sliding seat 8, and chutes are provided outside. The first sliding block 32 and the second sliding block 83 respectively penetrate through the chutes and are connected to the transmission racks inside the first sliding seat 3 and the second sliding seat 8.

[0042] In this embodiment, when the first motor 31 outside the first sliding seat 3 and the second motor 82 outside the second sliding seat 8 work, they can respectively drive the transmission gears and the racks to rotate. The first sliding block 32 and the second sliding block 83 installed on the racks can slide according to the moving direction and position of the racks, thereby moving the material transfer assembly 4 and the support frame 84.

[0043] In a further implementable manner of this embodiment, a vacuum generator 45 is provided inside the lifting seat 41. Air permeation holes are evenly penetrated inside the adsorption plate 42. The first hydraulic lifting rod 43 is provided at the top of the lifting seat 41. One end of the top of the first hydraulic lifting rod 43 is provided with a mounting plate 44, and the mounting plate 44 is fixedly connected to the first sliding block 32.

[0044] In this embodiment, when the first hydraulic lifting rod 43 works, it can push the entire adsorption plate 42 to lift and lower. When the vacuum generator 45 works, it can adsorb the fabric fed from the outside through the air permeation holes evenly penetrated inside the adsorption plate 42, then drive it to move to the top of the air permeation plate 2 and then move downward to press it tightly, and then drive the fabric to move horizontally as a whole.

[0045] In a further implementable manner of this embodiment, a bracket 6 is fixedly provided on the top of the working panel 1. The first sliding seat 3 is provided on the front side of the bracket 6. The pressing rod 5 is provided at the bottom of the bracket 6. A second hydraulic lifting rod is provided between the pressing rod 5 and the bracket 6. A protective cover 61 is provided outside the bracket 6. The second sliding seat 8 is provided inside the protective cover 61.

[0046] In this embodiment, when the second hydraulic lifting rod drives the pressing rod 5 to move downward, it can first position the fabric, and then drive the whole to move through the positioning frame 7. Before moving, the pressing rod 5 moves upward to reset.

[0047] In a further implementable manner of this embodiment, the cutting member 71 further includes a positioning plate 74. The positioning plate 74 is provided at the bottom of the bracket 6. Positioning pieces 75 are evenly provided between the positioning plate 74 and the lifting block 72. Two lifting blocks 72 are fixedly provided at the bottom with 76, and the cutting block 73 is provided on the top of 76.

[0048] In this embodiment, when the third hydraulic lifting rod 75 works, it pushes the entire lifting block 72 and the cutting block 73 at the bottom to perform stamping and cutting after the fabric sewing is completed. Quick cutting is no longer required instead of shearing, and the position of the cutting block 73 can be adjusted according to the sewing position and angle.

[0049] In a further implementable manner of this embodiment, a motor is provided on the inner wall of the support frame 84, the output end of the motor is connected to a transmission disc, and the transmission disc is arranged on the outer wall of the movable plate 85.

[0050] The motor provided on the inner wall of the support frame 84 in this embodiment can drive the rotating disc and the movable plate 85 to rotate integrally to adjust the angle and position. After adjustment, it can drive the positioning frame 7 to rise or fall to adjust the position.

[0051] In a further implementable manner of this embodiment, a feeding box 9 is arranged outside the material transfer assembly 4. A lifting plate is arranged inside the feeding box 9, a third hydraulic lifting rod is arranged at the bottom of the lifting plate, and the surface of the lifting plate is used for placing sewing products.

[0052] The third hydraulic lifting rod in this embodiment can work to push the lifting plate upward, drive the fabric on the surface of the lifting plate to move to the same height as the material transfer assembly, and the vacuum generator 45 in the material transfer assembly 4 can work to adsorb the fabric fed from the outside through the air vents uniformly penetrating inside the adsorption plate 42 and then drive it to move to the top of the air-permeable plate 2.

[0053] In the description of this specification, the description with reference to terms such as "one embodiment", "some embodiments", "example", "specific example", or "some examples" means that the specific features, structures, materials, or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present utility model. Moreover, the specific features, structures, materials, or characteristics described can be combined in a suitable manner in any one or more embodiments or examples. In addition, without contradiction, those skilled in the art can combine and combine the different embodiments or examples described in this specification and the features of different embodiments or examples.

[0054] In addition, the terms "first" and "second" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the quantity of the indicated technical features. Thus, the features defined with "first" and "second" may explicitly or implicitly include at least one of the features. In the description of the present utility model, "a plurality" means two or more unless otherwise specifically defined.

[0055] The above is only the specific implementation manner of the present utility model, but the protection scope of the present utility model is not limited thereto. Any person skilled in the art can easily think of changes or substitutions within the technical scope disclosed by the present utility model, and all should be covered by the protection scope of the present utility model. Therefore, the protection scope of the present utility model should be subject to the protection scope of the claimed rights.

Claims

1. A placket sewing machine, characterized in that: include: A working panel (1) is provided with a sewing machine (11) on the inner side, a ventilation plate (2) is provided on the surface of the working panel (1), ventilation holes are evenly arranged on the ventilation plate (2), the ventilation holes are arranged through the working panel (1), and a bottom cavity (21) is provided on the bottom surface of the working panel (1); A first sliding seat (3) having a first sliding block (32) slidably disposed on its surface; A material moving assembly (4), comprising a lifting seat (41), an adsorption plate (42) and a first hydraulic lifting rod (43), wherein the material moving assembly (4) is arranged on the front side of the first sliding block (32); A pressure rod (5) is arranged at the bottom of the first sliding seat (3); The positioning frame (7) is provided with two positioning rods, a cutting piece (71) is provided between the two positioning rods, the cutting piece (71) comprises a lifting block (72), two cutting blocks (73) are provided at the bottom of the lifting block (72), and the two cutting blocks (73) are inclined and symmetrically arranged; The second sliding seat (8) has a second sliding block (83) slidingly arranged at the bottom, a supporting plate (82) is arranged at the bottom of the second sliding block (83), a supporting frame (84) is fixedly arranged at the bottom of the supporting plate (82), a movable plate (85) is arranged inside the supporting frame (84) and a connecting rod (86) is connected to one end of the supporting frame (84), and the connecting rod (86) is connected to the positioning frame (7).

2. A placket sewing machine according to claim 1, characterized in that: The sewing machine (11) is provided with a sewing head, a sewing panel (12) is provided at the bottom of the sewing head, the positioning frame (7) is arranged on the top of the sewing panel (12), and the cutting block (73) is arranged on the front side of the sewing panel (12).

3. A placket sewing machine according to claim 1, characterized in that: The bottom of the bottom cavity (21) is provided with a connection port (22), and the bottom of the working panel (1) is provided with a blower (13), and the blower (13) is connected to the connection port (22) via an air duct.

4. A placket sewing machine according to claim 1, characterized in that: A first motor (31) is provided at one end of the first sliding seat (3), a second motor (81) is provided on the outer side of the second sliding seat (8), transmission racks and transmission gears are provided inside the first sliding seat (3) and the second sliding seat (8), and sliding grooves are provided on the outer sides, and the first sliding block (32) and the second sliding block (83) respectively penetrate the sliding grooves and are connected to the transmission racks inside the first sliding seat (3) and the second sliding seat (8).

5. A placket sewing machine according to claim 1, characterized in that: A vacuum generator (45) is arranged inside the lifting seat (41), and air vents are evenly arranged inside the adsorption plate (42). The first hydraulic lifting rod (43) is arranged on the top of the lifting seat (41), and a mounting plate (44) is arranged at one end of the top of the first hydraulic lifting rod (43), and the mounting plate (44) is fixedly connected to the first sliding block (32).

6. A placket sewing machine according to claim 1, characterized in that: A bracket (6) is fixedly arranged on the top of the working panel (1), the first sliding seat (3) is arranged on the front side of the bracket (6), the pressure rod (5) is arranged at the bottom of the bracket (6), a second hydraulic lifting rod is arranged between the pressure rod (5) and the bracket (6), a protective cover (61) is arranged on the outside of the bracket (6), and the second sliding seat (8) is arranged inside the protective cover (61).

7. A placket sewing machine according to claim 6, characterized in that: The cutting member (71) further comprises a positioning plate (74), wherein the positioning plate (74) is arranged at the bottom of the bracket (6), positioning pieces (75) are evenly arranged between the positioning plate (74) and the lifting blocks (72), (76) are fixedly arranged at the bottom of the two lifting blocks (72), and the cutting block (73) is arranged at the top of the (76).

8. A placket sewing machine according to claim 1, characterized in that: The inner wall of the support frame (84) is provided with a motor, the output end of the motor is connected to a transmission disk, and the transmission disk is provided on the outer wall of the movable plate (85).

9. A placket sewing machine according to claim 1, characterized in that: A loading box (9) is arranged outside the material moving assembly (4), a lifting plate is arranged inside the loading box (9), a third hydraulic lifting rod is arranged at the bottom of the lifting plate, and the surface of the lifting plate is used for placing sewing products.