Automatic cloth ironing device of sewing machine

Abstract

The utility model relates to clothing machinery, in particular to an automatic cloth ironing device of a sewing machine, which comprises a working table and a steam iron capable of moving up and down relative to the working table, and the steam iron is provided with an iron handle. The bottom surface of the steam iron can be parallel to the working table surface through the self-adaptive three-jaw clamping device, and the steam iron can be assembled and disassembled only through one disassembling and assembling screw; compared with the prior art, by adopting the design of the self-adaptive three-jaw clamp holder, the iron can be quickly assembled and disassembled by only one disassembling and assembling screw regardless of the shape and the angle of the iron handle, so that the time and the labor intensity required for replacing the iron are greatly reduced, and the production efficiency is improved. Therefore, the maintenance cost and the downtime of the machine are reduced, and the production efficiency is improved.

Description

Technical Field

[0001] The utility model relates to a clothing machine, in particular to an automatic cloth ironing device for a sewing machine. Background Art

[0002] The existing automatic tape cutting and ironing device for sewing machines has the following three major defects:

[0003] ① Replacing the iron is troublesome and laborious: The existing iron has a complex fixing structure. The replacement process usually requires operators to manually disassemble a large number of parts to complete the installation and disassembly, which consumes a lot of time, increases maintenance costs and machine downtime, and affects production efficiency.

[0004] ② Excess steam from the iron condenses into water droplets: When using an iron, a large amount of steam is generated. When this steam encounters the cooler working surface of the sewing machine, it condenses into water droplets and drips onto the working surface of the sewing machine. These water droplets not only contaminate the fabric but may also penetrate into the sewing machine, causing electrical components to short-circuit or mechanical parts to rust, thereby shortening the machine's service life.

[0005] ③ Ironing equipment is bulky and takes up a lot of space: Existing ironing equipment is often designed to be bulky, occupying a significant amount of production space. In modern, automated production lines, efficient space utilization is crucial. Large ironing equipment not only limits production line layout flexibility but also makes it difficult for operators to perform other tasks within the confined space, reducing overall production efficiency and work environment comfort. Utility Model Content

[0006] The present invention aims to solve the technical defects or one of the defects in the prior art, and provides an automatic cloth ironing device for a sewing machine, and adopts the following technical solutions:

[0007] An automatic fabric ironing device for a sewing machine includes a work surface, a steam iron capable of moving up and down relative to the work surface, the steam iron having an iron handle, and unlike the prior art, an adaptive three-jaw clamp can make the bottom surface of the steam iron parallel to the work surface regardless of the shape and angle of the iron handle, and can be assembled and disassembled with only a single disassembly screw; the adaptive three-jaw clamp includes a fixing block, a first circular through hole having an axial direction in the front-to-back direction and communicating with the bottom surface via an expansion joint, a first rotating shaft being rotatably disposed in the first circular through hole, the first rotating shaft being able to be assembled and disassembled with a first fastening screw The cam is fixed to the fixing block; the first rotating shaft is fixed to the vertical plate, and the upper and lower ends of the vertical plate are respectively fixed to the top plate and the U-shaped bottom plate with the opening facing upwards, and the top plate is screwed with a disassembly screw with an axial direction in the up-down direction, and the disassembly screw is fixed to the U-shaped top plate with the opening facing downwards at the screw end below the top plate, and 1 and 2 second rotating shafts with an axial direction in the front-back direction are respectively fixed on the U-shaped top plate and the U-shaped bottom plate, and the 3 second rotating shafts are staggered, and each second rotating shaft is connected to a V-shaped clamp, wherein the V-shaped clamp corresponding to the U-shaped top plate has an opening facing downwards, and the V-shaped clamp corresponding to the U-shaped bottom plate has an opening facing upwards.

[0008] Furthermore, both ends or one end of the bottom surface of the V-shaped clamp is cut upward to form a step surface, and the step surface is relative to the flange gap of the U-shaped top plate or the U-shaped bottom plate so that the rotation of the V-shaped clamp is limited within a set range.

[0009] Furthermore, a second circular through hole with an axial direction in the front-to-back direction is formed on the V-shaped clamping jaw, and the second circular through hole is clearance-matched with the second rotating shaft.

[0010] Furthermore, a strip-shaped tooth groove is provided on the V-shaped opening surface of the V-shaped clamping jaw.

[0011] Furthermore, the work surface is fixed on the supporting column, and above the work surface is a cylinder bracket fixed on the supporting column, and a lifting cylinder with an up-down stroke and a guide rail with an up-down length are fixed on the cylinder bracket, and the guide rail slides with a slider, and the slider connects the cylinder rod of the lifting cylinder and the fixed block of the three-jaw clamp.

[0012] Furthermore, an exhaust fan is fixed under the cylinder bracket, and the air inlet of the exhaust fan faces the steam iron.

[0013] Furthermore, a raising block is fixed on the cylinder bracket, and a protective cover body is fixed through the raising block, and the protective cover body encloses the cylinder bracket, lifting cylinder, guide rail, slider and exhaust fan; the protective cover body is hinged to the protective cover cover body, and the protective cover cover body encloses the three-claw clamp and the steam iron.

[0014] Furthermore, a feeding cylinder with an up-down stroke is fixedly provided on the protective cover body, and a cylinder rod of the feeding cylinder is fixedly connected to the baffle.

[0015] Furthermore, the protective cover body and the protective cover cover are made of transparent material.

[0016] Furthermore, it also includes an automatic water adding system, which can automatically add water according to the water level of the steam iron.

[0017] Compared with the prior art, the automatic cloth ironing device for sewing machines of the present invention has the following beneficial effects:

[0018] 1. Improved iron replacement efficiency: The adaptive three-jaw gripper design allows for quick iron installation and removal regardless of the shape and angle of the iron handle. This can be accomplished with just a single screw, significantly reducing the time and labor required to replace the iron. This reduces maintenance costs and machine downtime, while improving production efficiency.

[0019] 2. Reduce steam condensation: By installing an exhaust fan under the cylinder bracket, excess steam generated by the steam iron can be directly discharged, reducing steam condensation on the work surface, avoiding water droplets from contaminating the fabric and damaging the electrical and mechanical components inside the sewing machine, thereby extending the service life of the machine.

[0020] 3. Save space and improve layout flexibility: The ironing device of this utility model has a compact design, small size and takes up little space, which helps to improve the space utilization efficiency of the production line, making the production line layout more flexible and allowing operators to operate in a more spacious space, thereby improving overall production efficiency and a more comfortable working environment.

[0021] 4. Enhanced operational safety and convenience: The protective cover and cover provide additional protection for the operator, preventing accidental contact with hot or moving parts. Furthermore, the use of transparent material allows the operator to clearly see the status of the iron and fabric while operating within the protective cover. The design of the loading cylinder and baffle facilitates placement of fabric, watering, and inspection of the iron.

[0022] 5. Improved Ironing Quality: The stepped surface of the V-shaped jaws limits the jaw's rotation, ensuring the iron remains parallel to the work surface, thus improving ironing quality. The grooves on the V-shaped jaws increase gripping friction, preventing the iron from slipping during ironing.

[0023] 6. Automatic water adding system: The automatic water adding system can automatically add water according to the water level of the steam iron, ensuring a continuous supply of steam during the ironing process, reducing the frequency of manual water adding and improving the continuity and efficiency of the ironing process.

[0024] In summary, the utility model solves the main problems existing in the prior art through a series of innovative designs, and provides a more efficient, safer and more space-saving automatic fabric ironing device for sewing machines, which has significant practical value and market application prospects. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 It is a structural diagram of the present utility model.

[0026] Figure 2 This is a schematic diagram of the structure of the utility model after the protective cover body, protective cover cover and baffle are hidden.

[0027] Figure 3 This is a schematic structural diagram of the three-jaw gripper of the utility model.

[0028] Figure 4 This is a structural diagram of the three-jaw gripper of the utility model from another perspective.

[0029] Figure 5 It is a structural schematic diagram of the V-shaped clamping jaw of the present utility model. DETAILED DESCRIPTION

[0030] In the description of the present invention, it should be noted that the terms "center", "up", "down", "left", "right", "vertical", "horizontal", "inside", "outside", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, they cannot be understood as limitations on the present invention.

[0031] In the description of this utility model, it should be noted that, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" should be understood in a broad sense. For example, they can refer to fixed connections, detachable connections, or integral connections; mechanical connections, electrical connections; direct connections, indirect connections through an intermediate medium, and internal connections between two components. Those skilled in the art will understand the specific meanings of the above terms in this utility model based on the specific circumstances.

[0032] The following describes the implementation of the present invention through specific embodiments. Those skilled in the art can readily understand the other advantages and benefits of the present invention from the contents disclosed in this specification. Obviously, the embodiments described are only a portion of the embodiments of the present invention, not all of them. All other embodiments derived by persons of ordinary skill in the art based on the embodiments of the present invention without inventive effort are also within the scope of protection of the present invention.

[0033] like Figure 1-5 The automatic fabric ironing device for a sewing machine shown in the figure comprises a work surface 3, a steam iron 1 that can move up and down relative to the work surface 3, the steam iron 1 having an iron handle 11, and an adaptive three-jaw clamp 2 that can make the bottom surface of the steam iron 1 parallel to the work surface 3 regardless of the shape and angle of the iron handle 11, and can be assembled and disassembled by only one disassembly screw 4; the adaptive three-jaw clamp 2 comprises a fixed block 201, the fixed block 201 having a first circular through hole with an axial direction in the front-to-back direction and communicating with the bottom surface via an expansion joint 202, a first rotating shaft 203 being rotated in the first circular through hole, and the first rotating shaft 203 being able to be fixed to the fixed block 201 by a first fastening screw 204. ; The first rotating shaft 203 is fixed to the vertical plate 205, and the upper and lower ends of the vertical plate 205 are respectively fixed to the top plate 206 and the U-shaped bottom plate 207 with the opening facing upward. The top plate 206 is screwed with a disassembly screw 4 with an axial direction in the up-down direction, and the screw end of the disassembly screw 4 below the top plate 206 is fixed to the U-shaped top plate 208 with the opening facing downward. One and two second rotating shafts 210 with an axial direction in the front-back direction are fixed on the U-shaped top plate 208 and the U-shaped bottom plate 207 respectively. The three second rotating shafts 210 are staggered. Each of the second rotating shafts 210 is connected to a V-shaped clamping claw 209, wherein the V-shaped clamping claw 209 corresponding to the U-shaped top plate 208 has an opening facing downward, and the V-shaped clamping claw 209 corresponding to the U-shaped bottom plate 207 has an opening facing upward.

[0034] In this embodiment, the V-shaped jaw 209 defines a second circular through-hole 2092 axially extending in the front-to-back direction. This second circular through-hole 2092 is loosely coupled to the second rotating shaft 210. Strip-shaped grooves 2093 are provided on the V-shaped opening of the V-shaped jaw 209. These grooves increase the frictional force of the clamp, preventing the iron from slipping during ironing. The work surface 3 is fixed to the support column 5. Above the work surface 3 is a cylinder bracket 6 fixed to the support column 5. A vertical lift cylinder 7 and a vertical guide rail 8 are fixed to the cylinder bracket 6. The guide rail 8 slidably engages a slider 9, which connects the cylinder rod of the lift cylinder 7 to the fixed block 201 of the three-jaw clamp 2. These components enable the steam iron 1 to move vertically relative to the work surface 3.

[0035] The design of the adaptive three-jaw gripper 2 has several significant advantages:

[0036] 1. Adaptable: The three-pronged, movable design accommodates iron handles of varying sizes and shapes, including traditional straight, L-shaped, triangular, and other special-shaped handles. This design, through its flexible clamping mechanism, ensures compatibility and securement for a wide range of iron models.

[0037] 2. Easy Installation: Compared to traditional fixing methods, this design only requires a single screw to quickly fix and remove the iron. This simplified installation process greatly reduces the time and labor required to replace the iron, improving the efficiency of production preparation.

[0038] 3. Flexible Adjustment: The three-claw movable clamp allows the iron to rotate 360°, allowing the operator to easily adjust the angle of the iron according to ironing needs. This design provides greater operational freedom, making the ironing process more flexible and efficient.

[0039] 4. Quick Parallel Adjustment: The three-jaw movable clamp allows for quick adjustment of the parallelism between the iron base and the work surface. This quick adjustment mechanism ensures consistent contact between the iron and the fabric, improving ironing quality.

[0040] 5. Reduced machine downtime: Since the process of replacing and adjusting the iron is greatly simplified, machine downtime is significantly reduced. This is of great significance to improving the overall efficiency of the production line and reducing production costs.

[0041] 6. Improved operational safety: Simplified installation and adjustment processes reduce the time operators spend working near the machine, thereby reducing safety risks during operation.

[0042] 7. Easy Maintenance: The three-claw movable clamp design simplifies the maintenance and cleaning of the iron. Since the installation and removal process is simple and quick, maintenance personnel can more easily perform regular inspections and maintenance on the iron.

[0043] 8. Improved user experience: This design significantly improves the operator's experience by providing a quick and easy iron installation and adjustment mechanism, making ironing easier and more enjoyable.

[0044] In summary, the three-claw movable iron installation design, through its wide adaptability, simple installation process, flexible adjustment mechanism, and rapid parallel adjustment capability, brings significant operational convenience and productivity improvements to the automatic fabric ironing mechanism of sewing machines. This design not only improves ironing quality, but also reduces maintenance costs and enhances operational safety, providing users with an efficient and reliable ironing solution.

[0045] In another preferred embodiment, the bottom surface of the V-shaped clamping jaw 209 is cut upward at one or both ends to form a stepped surface 2091. The stepped surface 2091 is aligned with the flange of the U-shaped top plate 208 or the U-shaped bottom plate 207, limiting the rotation of the V-shaped clamping jaw 209 to a set range. The provision of the stepped surface 2091 creates a gap when the V-shaped clamping jaw 209 contacts the U-shaped top plate 208 or the U-shaped bottom plate 207. This gap limits the rotation of the clamping jaw to a set range, ensuring stability and reliability when clamping the iron handle. The design of the stepped surface 2091 further enhances the V-shaped clamping jaw 209's ability to adaptively adjust to the shape and angle of the iron handle. Regardless of the shape of the iron handle, the clamping jaw can flexibly adjust within the set rotation range, ensuring that the bottom surface of the iron remains parallel to the work surface 3. By limiting the rotation range of the clamping jaws, the stepped surface 2091 effectively prevents the iron from becoming unstable or falling off due to excessive rotation of the clamping jaws during ironing. This stability not only improves ironing quality but also enhances operational safety, reducing the risk of accidents. The stepped surface 2091 on the bottom surface of the V-shaped clamping jaws 209 balances adaptability and adjustment efficiency, ensuring stable clamping and safe use of the iron. This preferred embodiment not only improves the overall performance of the ironing device but also provides users with a more convenient and efficient operating experience.

[0046] In another preferred embodiment, an exhaust fan 10 is fixed beneath the cylinder bracket 6, with its air inlet facing the steam iron 1. Directly facing the steam iron 1, the exhaust fan 10 effectively draws in steam generated by the iron, preventing it from escaping into the work environment and reducing condensation and diffusion within the work area. This timely exhaust of steam reduces the likelihood of condensation forming droplets on the cooler sewing machine work surface or surrounding components, thereby preventing them from contaminating the fabric or causing rust on internal machine components. The exhaust fan 10 helps maintain a dry work surface 3, preventing excess moisture from affecting the ironing process, thereby improving ironing efficiency and fabric quality. The exhaust fan 10 is fixed to the cylinder bracket 6 for easy installation and maintenance. Its proximity to the steam source allows for a more compact design, minimizing additional space requirements.

[0047] In another preferred embodiment, a raised block 12 is fixed to the cylinder support 6, through which a protective cover body 13 is fixed. The protective cover body 13 encloses the cylinder support 6, lifting cylinder 7, guide rail 8, slider 9, and exhaust fan 10. The protective cover body 13 is hingedly connected to a protective cover cover 14, which encloses the three-jaw gripper 2 and the steam iron 1. A loading cylinder 15 with a vertical stroke is fixed to the protective cover cover 14, and the cylinder rod of the loading cylinder 15 is fixed to a baffle 16. The protective cover body 13 and protective cover cover 14 are made of transparent material. By fixing the raised block 12 to the cylinder support 6 and using the raised block 12 to fix the protective cover body 13, comprehensive protection is achieved for key components such as the cylinder support 6, lifting cylinder 7, guide rail 8, slider 9, and exhaust fan 10. The protective cover body 13 and protective cover cover 14 are hingedly connected, making assembly and disassembly of the steam iron 1 extremely convenient. The operator can quickly remove or install the steam iron 1 by simply flipping the protective cover cover 14. A loading cylinder 15 is fixed to the protective cover cover 14, and its cylinder rod secures a baffle 16. When the baffle 16 is moved upward, it provides convenient access for the operator to place fabric between the work surface 3 and the steam iron 1, and also facilitates adding and checking water to the steam iron 1. The design allows the operator to easily adjust the ironing position of the steam iron 1 according to the fabric material after the baffle 16 is moved upward, achieving more precise ironing control. The protective cover body 13 and protective cover cover 14 are made of transparent material, allowing the operator to clearly see the status of the iron and fabric while operating from within the protective cover, improving accuracy and safety. The transparent protective cover design not only protects key components of the device but also shields the operator from high temperatures and moving parts, reducing safety risks during operation.

[0048] In another preferred embodiment, the steam iron 1 further includes an automatic water-adding system that automatically replenishes water based on the water level in the steam iron 1 to maintain a constant steam supply during ironing. This system automatically replenishes water based on the water level in the steam iron 1, ensuring a continuous and stable steam supply during ironing and preventing interruptions in steam flow due to insufficient water. This system eliminates the need for operators to frequently manually check and add water, thereby reducing their workload and improving work efficiency.

[0049] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. An automatic cloth ironing device for a sewing machine, comprising a work surface (3), a steam iron (1) capable of moving up and down relative to the work surface (3), the steam iron (1) having an iron handle (11), and characterized in that: Regardless of the shape and angle of the iron handle (11), the adaptive three-jaw clamp (2) can make the bottom surface of the steam iron (1) parallel to the work surface (3) and can be assembled and disassembled by only one disassembly screw (4); the adaptive three-jaw clamp (2) comprises a fixed block (201), the fixed block (201) is provided with a first circular through hole with an axial direction in the front-back direction and communicating with the bottom surface through an expansion joint (202), a first rotating shaft (203) is rotated in the first circular through hole, and the first rotating shaft (203) can be fixed to the fixed block (201) by a first fastening screw (204); the first rotating shaft (203) is fixed to the vertical plate (205), and the upper and lower ends of the vertical plate (205) are respectively fixed to the top plate (201). 6) and a U-shaped bottom plate (207) with an opening facing upward, the top plate (206) is screwed with a disassembly screw (4) with an axial direction in the up-down direction, the disassembly screw (4) is fixed at the screw end below the top plate (206) to the U-shaped top plate (208) with an opening facing downward, and one and two second rotating shafts (210) with an axial direction in the front-back direction are fixed on the U-shaped top plate (208) and the U-shaped bottom plate (207), respectively, and the three second rotating shafts (210) are staggered and distributed, and each second rotating shaft (210) is connected to a V-shaped clamping claw (209), wherein the V-shaped clamping claw (209) corresponding to the U-shaped top plate (208) has an opening facing downward, and the V-shaped clamping claw (209) corresponding to the U-shaped bottom plate (207) has an opening facing upward.

2. The automatic cloth ironing device for a sewing machine according to claim 1, characterized in that: Both ends or one end of the bottom surface of the V-shaped clamp (209) are cut upward to form a step surface (2091), and the step surface (2091) is relatively spaced from the flange of the U-shaped top plate (208) or the U-shaped bottom plate (207) so that the rotation of the V-shaped clamp (209) is limited within a set range.

3. The automatic cloth ironing device for a sewing machine according to claim 1, characterized in that: A second circular through hole (2092) with an axial direction in the front-to-back direction is provided on the V-shaped clamping jaw (209), and the second circular through hole (2092) is clearance-fitted with the second rotating shaft (210).

4. The automatic cloth ironing device for a sewing machine according to claim 1, characterized in that: A strip-shaped tooth groove (2093) is provided on the V-shaped opening surface of the V-shaped clamping jaw (209).

5. The automatic cloth ironing device for a sewing machine according to claim 1, characterized in that: The work surface (3) is fixed on the support column (5), and above the work surface (3) is a cylinder bracket (6) fixed on the support column (5), and a lifting cylinder (7) with a stroke in the up-down direction and a guide rail (8) with a length in the up-down direction are fixed on the cylinder bracket (6), and the guide rail (8) is slidably matched with a slider (9), and the slider (9) is connected to the cylinder rod of the lifting cylinder (7) and the fixed block (201) of the three-claw clamp (2).

6. The automatic cloth ironing device for a sewing machine according to claim 5, characterized in that: An exhaust fan (10) is fixedly mounted under the cylinder bracket (6), and an air inlet of the exhaust fan (10) faces the steam iron (1).

7. The automatic cloth ironing device for a sewing machine according to claim 5, characterized in that: A heightening block (12) is fixed on the cylinder bracket (6), and a protective cover body (13) is fixed via the heightening block (12). The protective cover body (13) encloses the cylinder bracket (6), the lifting cylinder (7), the guide rail (8), the slider (9) and the exhaust fan (10). The protective cover body (13) is hinged to a protective cover cover (14), and the protective cover cover (14) encloses the three-claw clamp (2) and the steam iron (1).

8. The automatic cloth ironing device for a sewing machine according to claim 7, characterized in that: A feeding cylinder (15) with a stroke in the up-down direction is fixedly provided on the protective cover body (14), and a cylinder rod of the feeding cylinder (15) is fixedly connected to a baffle (16).

9. The automatic cloth ironing device for a sewing machine according to claim 7, characterized in that: The protective cover body (13) and the protective cover cover (14) are made of transparent material.

10. The automatic cloth ironing device for a sewing machine according to claim 1, characterized in that: It also includes an automatic water adding system capable of automatically adding water according to the water level of the steam iron (1).

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