Pearl wool hot melting laminating device
By using the guide assembly and the pressing roller together, the problem of pearl cotton shifting during the feeding process was solved, achieving a high-quality bonding effect and reducing the scrap rate.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- YICHANG SHENGXIN PACKAGING MATERIALS CO LTD
- Filing Date
- 2025-04-11
- Publication Date
- 2026-04-17
AI Technical Summary
Existing EPE foam hot melt lamination equipment is easily affected by external factors during the feeding process, causing the EPE foam to shift, affecting subsequent pressing processes, resulting in misalignment, gaps, and other problems in the lamination area, thus increasing the scrap rate.
The system employs a guide assembly, including a support frame, a two-way threaded rod, a rotating block, and a hydraulic telescopic rod. By adjusting the position of the guide limit block, it ensures that the edges of the pearl cotton move along the guide groove during the conveying process, avoiding offset and wrinkles. The pressure roller is used to achieve precise alignment and tight bonding.
This effectively prevents the pearl cotton from shifting and wrinkling during movement, improving the product's bonding quality and reducing the scrap rate.
Smart Images

Figure CN224130503U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of plastic processing technology, and in particular to a device for hot-melt bonding of pearl cotton. Background Technology
[0002] In the EPE foam processing industry, hot melt lamination is a common and crucial process used to bond multiple layers of EPE foam or combine EPE foam with other materials to meet the packaging and protection needs of various products. As market demands for the quality of EPE foam products continue to rise, the performance of hot melt lamination equipment faces increasingly stringent challenges.
[0003] In existing EPE foam hot melt lamination equipment, during the feeding and pressing process, the EPE foam roll is usually transported by a simple feeding roller. However, due to the soft texture and uneven thickness of EPE foam, and the potential for internal stress during winding, it is easily affected by external factors during transport, causing it to deviate during movement. Once the EPE foam deviates during feeding, the subsequent pressing process will be severely affected. This will result in the misaligned EPE foam failing to accurately align with the other lamination material, leading to misalignment, gaps, and other problems at the lamination area, directly reducing the lamination quality of the product and increasing the scrap rate. Utility Model Content
[0004] The purpose of this utility model is to at least solve one of the technical problems existing in the prior art, and to provide a hot melt bonding device for pearl cotton. This device can solve the problem that the pearl cotton is easily affected by external factors during the conveying process, causing it to deviate during movement. Once the pearl cotton deviates during the feeding process, the subsequent pressing process will be severely affected. This will cause the deviated pearl cotton to be unable to accurately align with the other bonding material, resulting in misalignment, gaps and other problems at the bonding part, which directly reduces the bonding quality of the product and increases the scrap rate.
[0005] To achieve the above objectives, the present invention provides the following technical solution: a pearl cotton hot melt bonding device, comprising a support base, a coating roller and two support plates, wherein guide components are provided in the inner areas on both sides of the two support plates;
[0006] The guide assembly includes a support frame, a bidirectional threaded rod, and a rotating block. Both support plates are fixedly connected to the upper surface of the support base. The support frame has a sliding block groove inside, and the bidirectional threaded rod is rotatably connected inside the sliding block groove.
[0007] The outer wall of the bidirectional threaded rod is threaded with a sliding block, and the rotating block is rotatably connected to the upper outer wall of the left support plate. Hydraulic telescopic rods are installed inside the grooves at the lower ends of the two sliding blocks, and guide limit blocks are fixedly connected to the output ends of the two hydraulic telescopic rods.
[0008] Preferably, the outer walls of the conical blocks on both sides of the two sliding blocks are slidably connected to the interior of the conical grooves opened on both sides of the sliding block groove;
[0009] Among them, the end of the bidirectional threaded rod near the rotating block extends to the outside of the support plate and is fixedly connected to one end of the rotating block, and guide grooves are opened on the outer wall of the opposite side of the two guide limit blocks.
[0010] Preferably, two pressing rollers are rotatably connected to the opposite surfaces of the support plate, and two rotating gears are rotatably connected to the outer wall of the upper end of the right support plate, with the teeth of the two rotating gears meshing with each other.
[0011] One end of each of the two pressing rollers extends to the outside of the right support plate and is fixedly connected to one side of the corresponding rotating gear. Two guide rollers are rotatably connected to the opposite side of the two support plates away from the pressing rollers.
[0012] Preferably, the guide rollers are used in conjunction with each other, and the two support plates are equipped with spraying components on opposite sides near one end of the guide rollers;
[0013] The left support plate has a feed pipe installed on its outer wall. The feed pipe extends into the left support plate and is connected to the spraying assembly.
[0014] Preferably, each of the grooves on the outer wall of the opposite side of the support plate is fixedly connected to a fixing rod, and the protrusions at both ends of the paint roller are slidably connected to the outer wall of the corresponding fixing rod.
[0015] The outer walls of the two fixing rods are fitted with springs, and the two ends of the two springs are respectively fixedly connected to the inner wall of the groove on the outer wall of the corresponding support plate and the outer wall of the protrusion on the paint roller.
[0016] Preferably, the nozzle on the spraying assembly is used in conjunction with the paint roller, and a motor is mounted on the outer wall of the left support plate away from the guide roller via a bracket;
[0017] The output end of the motor extends into the left support plate and is fixedly connected to one end of the upper pressing roller.
[0018] Compared with the prior art, the beneficial effects of this utility model are:
[0019] 1. This EPE foam hot melt bonding device adjusts the position of the guide limit block by rotating the rotating block in the guide assembly. The rotating block drives the bidirectional threaded rod to rotate, so that the rotation of the bidirectional threaded rod causes the two sliding blocks to move closer or further apart along the axial direction of the bidirectional threaded rod. In this way, during the conveying process, the edge of the EPE foam will move along the guide groove of the guide limit block, thereby effectively avoiding the EPE foam from shifting or wrinkling during the movement, thus improving the bonding quality of the product and reducing the scrap rate. Attached Figure Description
[0020] The present invention will be further described below with reference to the accompanying drawings and embodiments:
[0021] Figure 1 This is a three-dimensional structural diagram of the present invention;
[0022] Figure 2 This is a schematic diagram of the external structure of the coating roller of this utility model;
[0023] Figure 3 This is a schematic diagram of the external structure of the spraying assembly of this utility model;
[0024] Figure 4 This utility model Figure 2 A structural schematic diagram of the enlarged view at point A in the middle.
[0025] Reference numerals: 1. Support base; 2. Support plate; 3. Feed pipe; 4. Rotating block; 5. Motor; 6. Pressing roller; 7. Bidirectional threaded rod; 8. Rotating gear; 9. Sliding block; 10. Support frame; 11. Fixed rod; 12. Guide roller; 13. Paint roller; 14. Spraying assembly; 15. Sliding block groove; 16. Guide limit block; 17. Hydraulic telescopic rod; 18. Spring. Detailed Implementation
[0026] This section will describe in detail the specific embodiments of the present utility model. The preferred embodiments of the present utility model are shown in the accompanying drawings. The purpose of the drawings is to supplement the textual description with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the present utility model, but they should not be construed as limiting the scope of protection of the present utility model.
[0027] In the description of this utility model, it should be understood that the directional descriptions, such as up, down, front, back, left, right, etc., indicate the directional or positional relationship based on the directional or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.
[0028] In the description of this utility model, terms such as greater than, less than, and exceeding are understood to exclude the stated number, while terms such as above, below, and within are understood to include the stated number. The use of terms like "first" and "second" is merely for distinguishing technical features and should not be construed as indicating or implying relative importance, or implicitly indicating the quantity or sequence of the indicated technical features.
[0029] In the description of this utility model, unless otherwise explicitly defined, terms such as "setting," "installation," and "connection" should be interpreted broadly, and those skilled in the art can reasonably determine the specific meaning of the above terms in this utility model in conjunction with the specific content of the technical solution.
[0030] Please see Figure 1-4 This utility model provides a technical solution: a pearl cotton hot melt bonding device, including a support base 1, a coating roller 13 and two support plates 2;
[0031] Guide components are provided in the inner areas on both sides of the two support plates 2;
[0032] The guide assembly includes a support frame 10, a bidirectional threaded rod 7, and a rotating block 4. Both support plates 2 are fixedly connected to the upper surface of the support base 1. The support frame 10 has a sliding block groove 15 inside, and the bidirectional threaded rod 7 is rotatably connected inside the sliding block groove 15. The outer wall of the bidirectional threaded rod 7 is threadedly connected to a sliding block 9. The outer walls of the tapered blocks on both sides of the two sliding blocks 9 are slidably connected to the tapered grooves on both sides of the sliding block groove 15. The rotating block 4 is rotatably connected to the upper outer wall of the left support plate 2. The end of the bidirectional threaded rod 7 near the rotating block 4 extends to the outside of the support plate 2 and is fixedly connected to one end of the rotating block 4. Hydraulic telescopic rods 17 are installed inside the grooves at the lower ends of the two sliding blocks 9. Guide limit blocks 16 are fixedly connected to the output ends of the two hydraulic telescopic rods 17. Guide grooves are opened on the outer walls of the opposite sides of the two guide limit blocks 16.
[0033] Two pressure rollers 6 are rotatably connected to the opposite faces of the two support plates 2. Two rotating gears 8 are rotatably connected to the upper outer wall of the right support plate 2, and the teeth of the two rotating gears 8 mesh with each other. One end of each of the two pressure rollers 6 extends rotatably to the outside of the right support plate 2 and is fixedly connected to one side of the corresponding rotating gear 8. Two guide rollers 12 are rotatably connected to the opposite faces of the two support plates 2 away from the pressure rollers 6, and the two guide rollers 12 work together. A spraying assembly 14 is installed on the opposite faces of the two support plates 2 near the guide rollers 12. A feed pipe 3 is installed on the outer wall of the left support plate 2, and the feed pipe 3 extends fixedly into the inside of the left support plate 2 and is connected to the pressure rollers 6. The spraying assembly 14 is connected. The outer walls of the two support plates 2 on opposite sides are slotted and fixedly connected to the inside of the slots. The protrusions at both ends of the paint roller 13 are slidably connected to the outer walls of the corresponding fixed rods 11. The outer walls of the two fixed rods 11 are fitted with springs 18. The two ends of the two springs 18 are fixedly connected to the inner walls of the slots on the outer walls of the corresponding support plates 2 and the outer walls of the protrusions on the paint roller 13, respectively. The nozzle on the spraying assembly 14 is used in conjunction with the paint roller 13. The outer wall of the left support plate 2 away from the guide roller 12 is equipped with a motor 5 through a bracket. The output end of the motor 5 rotates and extends into the interior of the left support plate 2 and is fixedly connected to one end of the upper pressing roller 6.
[0034] Furthermore, when using this device, it is started by connecting to an external power source. The EPE foam roll is placed at the starting end of the device. As the EPE foam passes the guide roller 12, the external device, connected to the feed pipe 3, introduces hot melt adhesive and other bonding materials into the spraying assembly 14 through the feed pipe 3. The spraying assembly 14 then sprays the hot melt adhesive onto the surface of the coating roller 13 through the nozzle. Under the elastic pressure of the spring 18, the coating roller 13 adheres tightly to the EPE foam surface. When the EPE foam moves, the coating roller 13 slides on the fixed rod 11, simultaneously spreading the hot melt adhesive sprayed from the nozzle evenly onto the EPE foam surface. Due to the presence of the spring 18, the coating roller 13 can automatically adjust the contact pressure with the EPE foam according to its thickness, ensuring uniform adhesive application. Then, according to the actual width of the EPE foam, the position of the guide limit block 16 can be adjusted by rotating the rotating block 4. The rotating block 4 drives... The rotation of the bidirectional threaded rod 7 causes the two sliding blocks 9 to move closer or further apart along the axial direction of the bidirectional threaded rod 7. When the sliding blocks 9 move to the appropriate position, the height of the guide limit block 16 is adjusted by controlling the extension and retraction of the hydraulic telescopic rod 17, so that the guide groove on the guide limit block 16 is aligned with the edge of the pearl cotton. In this way, during the conveying process, the edge of the pearl cotton will move along the guide groove of the guide limit block 16, thereby effectively avoiding the pearl cotton from shifting or wrinkling during the movement. The motor 5 starts, and its output end drives the upper pressing roller 6 to rotate. Since the two pressing rollers 6 are driven by the meshing of the rotating gear 8, when the pearl cotton coated with hot melt adhesive passes between the two pressing rollers 6, the pressing rollers 6 apply pressure to the pearl cotton, so that the two layers of pearl cotton or pearl cotton and other bonding materials are tightly bonded together under the action of hot melt adhesive, completing the hot melt bonding process.
[0035] The position of the guide limit block 16 is adjusted by rotating the rotating block 4 in the guide assembly. The rotating block 4 drives the bidirectional threaded rod 7 to rotate, so that the rotation of the bidirectional threaded rod 7 causes the two sliding blocks 9 to move closer or further apart along the axial direction of the bidirectional threaded rod 7. In this way, during the conveying process, the edge of the pearl cotton will move along the guide groove of the guide limit block 16, thereby effectively avoiding the pearl cotton from shifting or wrinkling during the movement, thus improving the bonding quality of the product and reducing the scrap rate.
[0036] Structural Description: Support Base 1: The basic support component of the entire device, providing a platform for the installation and fixation of other components, and ensuring the stability of the device during operation;
[0037] Support plates 2: There are two in total, symmetrically distributed on the upper surface of support base 1 and fixedly connected to it. They serve to connect and support various functional components, such as guide components, pressing rollers 6, guide rollers 12, etc.
[0038] Support frame 10: Installed inside the support plate 2, with a sliding block groove 15 inside to provide installation and movement space for the sliding block 9 and the bidirectional threaded rod 7;
[0039] Bidirectional threaded rod 7: Located inside the sliding block groove 15, it is rotatably connected to the sliding block groove 15. Its outer wall is threadedly connected to the sliding block 9. Through its own rotation, it can drive the sliding block 9 to move along the axial direction of the bidirectional threaded rod 7.
[0040] Sliding block 9: It is threadedly engaged with the bidirectional threaded rod 7. The outer walls of the tapered blocks on both sides are slidably connected to the tapered grooves on both sides of the sliding block groove 15 to ensure the stability and accuracy of the sliding block 9 during movement. A hydraulic telescopic rod 17 is installed inside the groove at the lower end of the sliding block 9.
[0041] Rotating block 4: Rotatably connected to the upper outer wall of the left support plate 2. The end of the bidirectional threaded rod 7 near the rotating block 4 extends to the outside of the support plate 2 and is fixedly connected to the rotating block 4. By rotating the rotating block 4, the bidirectional threaded rod 7 can be driven to rotate.
[0042] Hydraulic telescopic rod 17: Installed in the groove at the lower end of the sliding block 9, its output end is fixedly connected to a guide limit block 16. The height position of the guide limit block 16 can be adjusted by extending and retracting the hydraulic telescopic rod 17.
[0043] Guide limiting block 16: A guide groove is provided on the outer wall of the opposite side to guide and limit the pearl cotton, ensuring that the pearl cotton maintains the correct position and posture during the feeding process;
[0044] Pressing roller 6: The two ends of the two pressing rollers 6 are rotatably connected to the opposite surfaces of the two support plates 2 respectively. One end of the roller extends rotatably to the outside of the right support plate 2 and is fixedly connected to the corresponding rotating gear 8. Synchronous rotation is achieved through the transmission of the rotating gear 8, which is used to press the pearl cotton.
[0045] Guide rollers 12: The two ends of the two guide rollers 12 are respectively rotatably connected to the opposite surfaces of the two support plates 2 away from the pressing rollers 6. They work together to provide initial guidance and support for the pearl cotton, so that it can be conveyed smoothly during the feeding process.
[0046] Spraying assembly 14: Installed on the opposite side of the two support plates 2 near the guide roller 12, connected to the feed pipe 3, the feed pipe 3 extends fixedly into the left support plate 2 and communicates with the spraying assembly 14, used to spray hot melt adhesive and other bonding materials through the nozzle;
[0047] Paint roller 13: The two end protrusions are slidably connected to the outer wall of the fixing rod 11, and can move axially on the fixing rod 11. The nozzle on the spraying assembly 14 is used in conjunction with the paint roller 13 to evenly apply the hot melt adhesive sprayed from the nozzle to the surface of the pearl cotton.
[0048] Spring 18: It is sleeved on the outer wall of the fixed rod 11, and its two ends are respectively fixedly connected to the inner wall of the groove on the outer wall of the corresponding support plate 2 and the outer wall of the protrusion on the paint roller 13. Spring 18 provides a certain elastic pressure to the paint roller 13 so that it can closely adhere to the surface of the pearl cotton for the glue application operation.
[0049] Motor 5: It is mounted on the outer wall of the left support plate 2 away from the guide roller 12 via a bracket. Its output end extends rotatably into the interior of the left support plate 2 and is fixedly connected to one end of the upper pressing roller 6, providing rotational power for the pressing roller 6.
[0050] The embodiments of the present utility model have been described in detail above with reference to the accompanying drawings. However, the present utility model is not limited to the above embodiments. Within the scope of knowledge possessed by those skilled in the art, various changes can be made without departing from the spirit of the present utility model.
Claims
1. A hot melt bonding device for pearl cotton, comprising a support base (1), a coating roller (13), and two support plates (2), characterized in that: Guide components are provided in the inner areas on both sides of the two support plates (2); The guide assembly includes a support frame (10), a two-way threaded rod (7) and a rotating block (4). Both support plates (2) are fixedly connected to the upper surface of the support base (1). A sliding block groove (15) is provided inside the support frame (10), and the two-way threaded rod (7) is rotatably connected inside the sliding block groove (15). Among them, the outer wall of the bidirectional threaded rod (7) is threaded with a sliding block (9), the rotating block (4) is rotatably connected to the upper outer wall of the left support plate (2), and the lower end of the two sliding blocks (9) is equipped with a hydraulic telescopic rod (17), and the output end of the two hydraulic telescopic rods (17) is fixedly connected with a guide limit block (16).
2. The device according to claim 1, wherein: The outer walls of the conical blocks on both sides of the two sliding blocks (9) are slidably connected to the inner walls of the conical grooves on both sides of the sliding block groove (15); Among them, the end of the bidirectional threaded rod (7) near the rotating block (4) extends to the outside of the support plate (2) and is fixedly connected to one end of the rotating block (4). The outer wall of the opposite side of the two guide limit blocks (16) is provided with guide grooves.
3. The device according to claim 1, wherein: Two pressing rollers (6) are rotatably connected to the opposite surfaces of the two support plates (2), and two rotating gears (8) are rotatably connected to the outer wall of the upper end of the right support plate (2), with the teeth of the outer walls of the two rotating gears (8) meshing with each other; One end of each of the two pressing rollers (6) extends to the outside of the right support plate (2) and is fixedly connected to one side of the corresponding rotating gear (8). Two guide rollers (12) are rotatably connected to the opposite side of the two support plates (2) away from the pressing rollers (6).
4. The device according to claim 3, wherein: The two guide rollers (12) are used together, and the two support plates (2) are mounted with spraying components (14) on opposite sides of one end of the guide rollers (12). The left support plate (2) has a feed pipe (3) installed on its outer wall. The feed pipe (3) extends into the left support plate (2) and is connected to the spraying assembly (14).
5. The device according to claim 1, wherein: The two support plates (2) have grooves on one side of their outer walls, and fixed rods (11) are fixedly connected inside them. The protrusions at both ends of the paint roller (13) are slidably connected to the outer walls of the corresponding fixed rods (11). Among them, the outer walls of the two fixed rods (11) are fitted with springs (18), and the two ends of the two springs (18) are fixedly connected to the inner wall of the groove on the outer wall of the corresponding support plate (2) and the outer wall of the protrusion on the paint roller (13).
6. The pearl cotton hot melt bonding device according to claim 4, characterized in that: The nozzle on the spray assembly (14) is used in conjunction with the paint roller (13), and the motor (5) is installed on the outer wall of the left support plate (2) away from the guide roller (12) through a bracket. The output end of the motor (5) extends into the left support plate (2) and is fixedly connected to one end of the upper pressing roller (6).