A hot melt machine for bonding fabrics

Abstract

This utility model relates to the technical field of fabric processing and discloses a hot melt machine for fabric bonding. It includes a worktable and a hot melt machine body mounted on the worktable. The hot melt machine body includes an inlet end and an outlet end. The inlet end is equipped with a guiding device, which includes a roller assembly. The roller assembly includes a roller frame, a first roller assembly, and a second roller assembly. The first and second roller assemblies are vertically arranged on the roller frame along the fabric bonding direction. The first roller assembly includes a first roller and a first driving component for driving the first roller to rotate. The second roller assembly includes a second roller and a second driving component for driving the second roller. The width of the first roller is smaller than that of the second roller. A first heating device is connected inside the first roller. The hot melt machine provided by this utility model effectively solves the technical problems of edge curling and misalignment that easily occur when bonding fabrics of different widths through the design of the roller assembly.

Description

Technical Field

[0001] This application relates to the field of fabric processing technology, and in particular to a hot melt machine for fabric bonding. Background Technology

[0002] In the current fabric processing, hot melt machines are used to bond fabrics of different widths and thicknesses. The feed end of the hot melt machine is usually equipped with a guide device, through which the fabric enters the hot melt machine for bonding. However, when materials with large differences in width need to be hot melted at the same time, such as bonding narrow and wide fabrics, the narrow fabric is prone to swaying and shifting on the wide fabric, which makes the fabric prone to wrinkles before passing through the hot melt machine. During the bonding process, curling or misalignment is likely to occur, resulting in low production efficiency and a high defect rate.

[0003] Therefore, developing a hot melt machine to prevent misalignment or curling of fabrics during bonding is the technical problem that this application needs to solve. Utility Model Content

[0004] In order to solve the technical problem that existing hot melt machines are prone to curling or misalignment when bonding fabrics, this utility model proposes a hot melt machine for bonding fabrics.

[0005] This invention provides a hot melt machine for fabric bonding, including a workbench and a hot melt machine body mounted on the workbench. The hot melt machine body includes a feeding end and a discharging end. The feeding end is provided with a guiding device, which includes a roller assembly mounted on the workbench. The roller assembly includes a roller frame, a first roller assembly, and a second roller assembly. The first roller assembly and the second roller assembly are vertically arranged on the roller frame along the direction of fabric bonding. The first roller assembly includes a first roller and a first driving member for driving the first roller to rotate. The second roller assembly includes a second roller and a second driving member for driving the second roller. The width of the first roller is smaller than that of the second roller. A first heating device is connected inside the first roller.

[0006] Through the above technical solution, the first roller and the second roller guide fabrics of different widths into the hot melt machine by driving rotation. Since the width of the first roller is smaller than that of the second roller, the first roller acts on the narrow fabric and the second roller acts on the wide fabric. This makes it less likely for the narrow fabric to shift on the wide fabric, which is suitable for feeding fabrics of different widths. In addition, the heating device installed in the first roller can preheat the fabric, further reducing the occurrence of wrinkles or curling edges when the fabric is bonded. This allows fabrics of different widths to enter the hot melt machine body in a more stable and flat state for bonding, improving product production efficiency and reducing the defect rate.

[0007] Furthermore, the first roller includes, from the inside out, a rotating cylinder, a first heating layer, and a first heat-conducting layer. The rotating cylinder is made of a non-heat-conducting material. The first heating device is used to heat the first heating layer, and the first heating layer transfers heat to the first heat-conducting layer.

[0008] Through the above technical solution, the first roller adopts a structure that includes a rotating cylinder, a first heating layer, and a first heat-conducting layer from the inside out. The first heating device controls the temperature change of the first heating layer and transfers heat to the first heat-conducting layer, which can effectively heat the fabric and help the fabric to bond better. This effectively solves the technical problems of curling or misalignment that easily occur when bonding fabrics in existing hot melt machines. At the same time, the first roller itself can rotate to cooperate with the fabric conveying, improving the fabric bonding efficiency and quality.

[0009] Furthermore, an installation frame is provided outside the first roller device, and retractable support rod assemblies are provided on both sides of the installation frame. The two sides of the installation frame are connected to the roller frame through the support rod assemblies.

[0010] Through the above technical solution, a mounting frame is set outside the first roller device, and retractable support rod assemblies are set on both sides of the mounting frame and connected to the roller frame. The user can flexibly adjust the position of the first roller device relative to the roller frame, that is, adjust the relative position of the first roller device and the second roller device, thereby adjusting the relative bonding position on the narrow fabric and the wide fabric, realizing the bonding of the narrow fabric at different positions on the wide fabric, and further improving the diversity of fabric bonding options.

[0011] Furthermore, the support rod assembly includes a support tube, a support rod, and a fixing member. The support tube is disposed on one side of the roller bracket, the support rod is disposed on the mounting bracket, the support rod is slidably connected to the support tube to drive the first roller device to slide on the roller bracket, and the fixing member is used to fix the support rod inside the support tube.

[0012] Through the above technical solution, the support rod assembly includes a support tube, a support rod, and a fixing component. The support tube and the support rod are slidably connected, which can drive the first roller device to slide on the roller frame. The fixing component can fix the support rod inside the support tube, making the position of the first roller device adjustable and stable, ensuring the stability of the first roller device, and enabling the first roller device and the second roller device to smoothly transport the fabric.

[0013] Furthermore, the fixing component is a bolt, the support tube is provided with a fixing hole, the support rod is provided with multiple adjustment holes, and the bolt passes through the fixing hole and the adjustment hole in sequence to realize the fixed connection between the support rod and the support tube.

[0014] Through the above technical solution, bolts, as fasteners, pass through the fixed holes of the support tube and the adjustment holes of the support rod, thereby achieving a fixed connection between the support rod and the support tube. The multiple adjustment holes can further increase the displacement range of the first roller device, and are easy to operate. They further stabilize the position of the first roller device and prevent it from moving, thereby ensuring stable conveying of fabrics of different widths during the feeding process, effectively preventing misalignment or curling of the fabric during bonding, and improving production efficiency and product quality.

[0015] Furthermore, the material guiding device also includes a clamping device and a guiding device, which are installed on the worktable. The fabric passes through the roller device, the clamping device, and the guiding device in sequence before entering the hot melt machine body.

[0016] The above technical solution allows the fabric to pass through the roller device, clamping device, and guiding device in sequence before entering the hot melt machine body. This further guides and straightens the fabric, reducing wrinkles, curling, or misalignment during the bonding process, thereby improving production efficiency and reducing the defect rate.

[0017] Furthermore, the clamping device includes a clamping base and a plurality of clamping members, the plurality of clamping members being disposed on the top two sides of the clamping base, and the plurality of clamping members on both sides being staggered in sequence along the direction of fabric bonding.

[0018] Through the above technical solution, after the fabric is initially processed by the roller device, it is further stably conveyed by the clamping parts arranged in a staggered manner on both sides. The clamping parts can straighten the fabric and prevent it from shaking, shifting, wrinkling, curling or misaligning during the subsequent hot melting process, thereby improving production efficiency and reducing the defect rate.

[0019] Furthermore, the guiding device includes a support frame, a first rotating rod, and a second rotating rod, which are sequentially arranged vertically on the support frame, and both the first rotating rod and the second rotating rod abut against the fabric.

[0020] Through the above technical solution, after the fabric passes through the roller device and clamping device, it is further guided into the body of the hot melt machine by the first and second rotating rods that are set up above and below and abut against the fabric. The rotation of the first and second rotating rods can further straighten the fabric, effectively solving the problem of curling edges between fabrics.

[0021] Furthermore, the first rotating rod is connected to a second heating device, and the first rotating rod includes a rotating rod body, a second heating layer and a second heat-conducting layer from the inside out. The rotating rod body is made of a non-thermal-conducting material, and the second heating device is used to heat the second heating layer, and the second heating layer transfers heat to the second heat-conducting layer.

[0022] Through the above technical solution, the second heating device installed inside the first rotating rod can reheat the fabric, further improving the fabric bonding effect, reducing misalignment or curling, and helping to improve the fabric bonding effect.

[0023] In summary, this application includes at least one of the following beneficial technical effects:

[0024] 1. The first and second rollers guide fabrics of different widths into the hot melt machine by driving their rotation. The first roller is narrower than the second roller. The first roller acts on narrow fabrics, while the second roller acts on wide fabrics. This makes it less likely for narrow fabrics to shift onto wide fabrics, making it suitable for feeding fabrics of different widths. This further ensures continuous and stable feeding of fabrics and improves product production efficiency.

[0025] 2. The heating device inside the first roller can preheat the fabric, thereby preventing wrinkles or curling during the bonding process. This allows fabrics of different widths to enter the hot melt machine body in a more stable and flat state for bonding, improving production efficiency and reducing the defect rate.

[0026] 3. The fabric enters the roller device, clamping device and guiding device in sequence into the hot melt machine body. Through the cooperation of multiple devices, the fabric is smoothly conveyed to the hot melt machine body, further reducing the occurrence of wrinkles, deviations or curling edges of the fabric during the conveying process. Attached Figure Description

[0027] Figure 1 This is a schematic diagram of the structure of a hot melt machine for bonding fabrics provided by this utility model;

[0028] Figure 2 This is a schematic diagram of the material guiding device of a hot melt machine for fabric bonding provided by this utility model;

[0029] Figure 3 This is a schematic diagram of the roller device of a hot melt machine for fabric bonding provided by this utility model;

[0030] Figure 4 This is a side sectional view of the first roller of a hot melt machine for fabric bonding provided by this utility model;

[0031] Figure 5 This is a side sectional view of the first rotating rod of a hot melt machine for fabric bonding provided by this utility model;

[0032] Explanation of reference numerals in the attached figures:

[0033] 1. Hot melt machine body; 11. Feed end; 12. Discharge end; 13. Guide plate;

[0034] 2. Workbench;

[0035] 3. Material guiding device; 31. Roller assembly; 32. Clamping device; 33. Guiding device; 311. Roller frame; 312. First roller assembly; 313. Second roller assembly; 314. Mounting frame; 315. Support rod assembly; 321. Clamping seat; 322. Clamping component; 331. Support frame; 332. First rotating rod; 333. Second rotating rod; 3151. Support tube; 3152. Support rod; 3153. Fixing component; 31211. Rotating cylinder; 31212. First heating layer; 31213. First heat-conducting layer; 3321. Rotating rod body; 3322. Second heating layer; 3323. Second heat-conducting layer;

[0036] 4. Narrow-width fabric; 5. Wide-width fabric. Detailed Implementation

[0037] The following is in conjunction with the appendix Figure 1-5 Further explanation of this application is provided.

[0038] See Figure 1 This embodiment discloses a hot melt machine for bonding fabrics, including a hot melt machine body 1 and a worktable 2. The hot melt machine body 1 is installed on the worktable 2. The hot melt machine body 1 also includes a feeding end 11 and a discharging end 12. A guiding device 3 is provided on the side near the feeding end 11. The guiding device 3 includes a roller device 31, a clamping device 32 and a guiding device 33. When the hot melt machine is working, two pieces of fabric pass through the roller device 31, the clamping device 32 and the guiding device 33 in sequence and enter the feeding end 11. After being hot-pressed and bonded in the hot melt machine body 1, the finished product comes out from the discharging end 12. A guiding plate 13 is also provided on the side near the discharging end 12. The guiding plate 13 is inclined downward and can guide the fabric feeding.

[0039] See Figure 2 -3. The roller device 31 includes a roller frame 311, a first roller device 312, and a second roller device 313. The first roller device 312 and the second roller device 313 are arranged vertically within the roller frame 311 along the horizontal direction of fabric bonding. The first roller device 312 includes a first roller 3121 and a first driving member 3122. The first driving member 3122 drives the first roller 3121 to rotate. The second roller device 313 includes a second roller 3131 and a second driving member 3132. The second driving member 3132 drives the second roller 3131 to rotate. The width of the first roller 3121 is smaller than that of the second roller 3131. When fabrics of different widths enter the roller device 31, the first roller 3121 acts on the narrow fabric 4, and the second roller 3131 acts on the wide fabric 5. The first roller 3121 and the second roller 3131 squeeze and straighten the two fabrics, effectively solving the problem that the narrow fabric 4 is prone to shifting on the wide fabric 5.

[0040] The first roller 3121 is connected to the first heating device (not marked in the figure), see [reference]. Figure 4 The first roller 3121 includes, from the inside out, a rotating cylinder 31211, a first heating layer 31212, and a first heat-conducting layer 31213. The rotating cylinder 31211 is made of a non-heat-conducting material. The first heating device is connected to the first heating layer 31212. By controlling the temperature change of the first heating layer 31212, the first heating layer 31212 transfers heat to the first heat-conducting layer 31213. When the first roller 3121 rotates, the first heat-conducting layer 31213 can heat-press the fabric, so that the fabric can be straightened further and the curling of the fabric can be reduced.

[0041] Optionally, in a specific embodiment, a resistance wire is provided inside the first roller 3121, and the resistance wire is wound around the rotating cylinder 31211. The first heating device can heat the resistance wire when it is powered on. Furthermore, in order to make the heat-conducting layer of the first roller 3121 more uniform, heat-conducting oil can be provided inside the first heating layer 31212. The metal sheath outside the resistance wire contacts the heat-conducting oil and heats the heat-conducting oil, thereby realizing the pre-compression of the fabric by the first heat-conducting layer 31213.

[0042] See Figure 3 The first roller device 312 is also provided with an external mounting frame 314. The mounting frame is provided with telescopic support rod assemblies 315 on both sides. The mounting frame 314 is connected to the two sides of the roller frame 311 through the support rod assemblies 315 on both sides.

[0043] The support rod assembly 315 includes a support tube 3151, a support rod 3152, and a fixing member 3153. The support rod 3152 is fixedly mounted on the mounting frame 314, and the support tube 3151 is fixedly mounted on the roller frame 311. The support rod 3152 can slide inside the support tube 3151 to drive the first roller device 312 to move on the roller frame 311 and confirm the position of the first roller device 312. The fixing member 3153 is used to fix the support rod 3152 inside the support tube 3151.

[0044] In this embodiment, the fixing member 3153 is a bolt, which is provided on the support tube 3151. It has fixing holes, and the support rod 3152 has multiple adjusting holes. The bolt passes through the fixing holes and adjusting holes in sequence to achieve a fixed connection between the support rod 3152 and the support tube 3151, improving the stability of the first roller device and ensuring stable transmission of the fabric during the feeding process.

[0045] See Figure 2The clamping device 32 includes a clamping base 321 and a plurality of clamping members 322. The plurality of clamping members 322 are disposed at the top two ends of the clamping base 321, and the plurality of clamping members 322 on both sides are staggered along the direction of fabric bonding. The clamping members 322 clamp the fabric on the clamping base 321. The clamping members can further straighten the fabric to prevent curling and misalignment.

[0046] In this embodiment, the clamping member 322 is shaped like a paperclip. Understandably, the clamping member 322 is long enough to clamp at least both ends of the narrow fabric 4.

[0047] Continue reading Figure 2 The guiding device 33 includes a support frame 331, a first rotating rod 332 and a second rotating rod 333. The first rotating rod 332 and the second rotating rod 333 are arranged vertically on the support frame 331 along the direction of fabric bonding. Both the first rotating rod 332 and the second rotating rod 333 abut against the fabric. The first rotating rod 332 and the second rotating rod 333 straighten the fabric by rotating, and transfer the fabric into the hot melt machine body 1.

[0048] The first rotating rod 332 is connected to a second heating device (not marked in the figure). See reference. Figure 5 The first rotating rod 332 includes, from the inside out, a rotating rod body 3321, a second heating layer 3322, and a second heat-conducting layer 3323. The rotating rod body 3321 is made of a non-thermal-conducting material. The second heating device is used to heat the second heating layer 3322. The second heating layer 3322 transfers heat to the second heat-conducting layer 3323. When the first rotating rod 332 rotates, the second heat-conducting layer 3323 can perform final hot pressing on the fabric and then transfer it to the inside of the hot melt machine body for hot melt bonding, minimizing the possibility of fabric curling and improving product production efficiency and quality.

[0049] Optionally, in a specific embodiment, a resistance wire is provided inside the first rotating rod 332, and the resistance wire is wound around the rotating rod body 3321. The second heating device can heat the resistance wire when energized. Furthermore, in order to make the heat-conducting layer of the first rotating rod 332 more uniform, heat-conducting oil can be provided inside the second heating layer 3322. The metal sheath outside the resistance wire contacts the heat-conducting oil and heats the heat-conducting oil, so that the second heat-conducting layer 3323 performs the final hot pressing and straightening of the fabric before it enters the hot melt machine.

[0050] This application provides a hot melt machine for bonding fabrics. When workers want to bond fabrics, the fabrics are fed horizontally through a roller device 31, a clamping device 32, and a guide device 33 into the feed end 11 of the hot melt machine body 1. The roller device 31, the clamping device 32, and the guide device 33 straighten or heat the fabrics in sequence, so that two pieces of fabric with different or the same width enter the hot melt machine body in a more stable and flat state for bonding. This reduces the occurrence of fabric curling or misalignment, improves product production efficiency, and reduces the defect rate.

[0051] The above are preferred embodiments of this application, and are not intended to limit the scope of protection of this application. Therefore, all equivalent changes made to the structure, shape and principle of this application should be included within the scope of protection of this application.

Claims

1. A hot melt machine for bonding of web material, comprising a work table and a hot melt machine body mounted on the work table, the hot melt machine body comprising an infeed end and an outfeed end, characterized in that: The feeding end is provided with a guiding device, which includes a roller device. The roller device is installed on the worktable. The roller device includes a roller frame, a first roller device, and a second roller device. The first roller device and the second roller device are arranged vertically on the roller frame along the direction of fabric bonding. The first roller device includes a first roller and a first driving member for driving the first roller to rotate. The second roller device includes a second roller and a second driving member for driving the second roller. The width of the first roller is smaller than that of the second roller. The first roller is connected to a first heating device.

2. The hot melt machine for bonding of fabrics according to claim 1, characterized in that: The first roller includes, from the inside out, a rotating cylinder, a first heating layer, and a first heat-conducting layer. The rotating cylinder is made of a non-heat-conducting material. The first heating device is used to heat the first heating layer, and the first heating layer transfers heat to the first heat-conducting layer.

3. The hot melt machine for bonding of fabrics according to claim 2, characterized in that: An installation frame is also provided outside the first roller device. Retractable support rod assemblies are provided on both sides of the installation frame, and the two sides of the installation frame are connected to the roller frame through the support rod assemblies.

4. The hot melt machine for bonding of fabrics according to claim 3, characterized in that: The support rod assembly includes a support tube, a support rod, and a fixing member. The support tube is disposed on one side of the roller bracket, and the support rod is disposed on the mounting frame. The support rod is slidably connected to the support tube, which drives the first roller device to slide on the roller frame. The fixing member is used to fix the support rod inside the support tube.

5. The hot melt machine for bonding of fabrics according to claim 4, characterized in that: The fastener is a bolt, the support tube has a fixed hole, and the support rod has multiple adjustment holes. The bolt passes through the fixed hole and the adjustment hole in sequence to achieve a fixed connection between the support rod and the support tube.

6. The hot melt machine for bonding of fabrics according to claim 1, characterized in that The material guiding device also includes a clamping device and a guiding device, which are installed on the worktable. The fabric passes through the roller device, the clamping device and the guiding device in sequence and enters the hot melt machine body.

7. The hot melt machine for bonding of fabrics according to claim 6, characterized in that: The clamping device includes a clamping base and multiple clamping members. The multiple clamping members are disposed on the top two sides of the clamping base, and the multiple clamping members on both sides are arranged in a staggered manner along the direction of fabric bonding.

8. The hot melt machine for bonding of fabrics as claimed in claim 6 wherein: The guiding device includes a support frame, a first rotating rod, and a second rotating rod. The first rotating rod and the second rotating rod are arranged sequentially on the support frame, and both the first rotating rod and the second rotating rod abut against the fabric.

9. A hot melt machine for bonding fabrics according to claim 8, characterized in that: The first rotating rod is connected to a second heating device, and the first rotating rod includes a rotating rod body, a second heating layer and a second heat-conducting layer from the inside to the outside. The rotating rod body is made of a non-thermal-conducting material. The second heating device is used to heat the second heating layer, and the second heating layer transfers heat to the second heat-conducting layer.

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