Seamless laser molding press with waste heat device

Abstract

The utility model relates to the technical field of laser molding presses, in particular to a seamless laser molding press with a waste heat device, which is characterized in that a Z-shaped lifting seat is connected inside a molding press device main body in a sliding manner, a rotating seat is rotatably connected inside the Z-shaped lifting seat, a static electricity eliminating rod is sleeved inside the rotating seat, and an arc-shaped guide groove is formed inside the rotating seat; the limiting pin is fixedly connected into the molding press device body, in the descending process of the Z-shaped lifting base, the mounting base at the upper end of the Z-shaped lifting base drives the rotating base to slide, and due to the fact that the limiting pin is fixed into the molding press device body and sleeved with the arc-shaped guide groove of the rotating base, when the rotating base slides, the limiting pin is attached to the interior of the arc-shaped guide groove to limit and push the rotating base to rotate; the rotating seat drives the static elimination rod sleeved in the rotating seat to rotate, so that the static elimination rod is parallel to the surface of the upper end of the material, the static elimination rod parallel to the surface of the material releases ions with opposite charges to the surface of the material, and static electricity is eliminated while material wrinkles are reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to laser moulding press technical field, especially a seamless laser moulding press with afterheat device. BACKGROUND

[0002] The seamless laser moulding press is mainly used for accurately stamping seamless laser patterns on the surface of packaging materials, printed matters and the like, and is widely applied to product packaging and anti-fake mark manufacturing scenes in the food, medicine, cosmetic and the like industries. By combining the laser pattern with product packaging or marks, the product's appearance can be improved, the consumer's attention can be attracted, the product's anti-fake performance can be enhanced, the enterprise's brand image can be protected, the supervision department can be helped to crack down on fake and inferior products, and the enterprise itself can be provided with strong support for market competition. At present, the seamless laser moulding press usually needs the following technologies in actual application:

[0003] 1. High-precision mould manufacturing technology, which ensures the fineness and seamless butt joint effect of the laser pattern;

[0004] 2. Precise temperature control technology, which keeps the mould at a proper temperature during moulding, and is beneficial to material shaping and pattern transfer;

[0005] 3. Stable pressure control technology, which ensures uniform pressure distribution during moulding, and realizes clear and complete stamping of the pattern;

[0006] 4. High-efficiency automatic control technology, which coordinates the actions of various components, and improves production efficiency and stability.

[0007] At present, in order to realize the seamless laser moulding function, various devices and methods are adopted. Some moulding presses adopt traditional mechanical structures, drive the mould opening and closing and pressure application through motors and hydraulic systems, and manually perform feeding and discharging operations; some high-end moulding presses are provided with automatic feeding and discharging devices, and can realize continuous production and improve production efficiency; in addition, some devices pull the material before feeding operation to reduce the wrinkles on the surface of the material.

[0008] However, the above methods have a prominent hardware structure and performance problem, that is, when materials with high insulation performance are processed, electrons are easily accumulated on the surface of the materials when the materials are transmitted in the device, contacted with the mould or other components, and separated, and static electricity is generated. For example, when a PET film slides quickly on the feeding roller, conveying guide roller and other components of the moulding press, due to friction and insulation characteristics, a large amount of static electricity is quickly accumulated on the surface. Before the existing device performs the winding and discharging operation, some devices will pull the material downward to reduce the wrinkles, the material path will be pulled and changed, and the static electricity elimination function lacks path adaptability. The static electricity easily adsorbs dust, debris and other small particles in the surrounding environment, and these impurities adhere to the surface of the material, which will affect the appearance quality of the product after winding. The utility model discloses a seamless laser mould pressing machine with waste heat device

[0009] In view of the deficiency of prior art, the utility model provides a seamless laser mould pressing machine with waste heat device, solves when the material with higher insulating property is processed, when these materials are transported in the equipment, contact and separate with the mould or other parts, the electron is easy to gather on its surface, and static electricity is generated, such as PET film fast sliding on the component such as the feeding roller of mould pressing machine, conveying guide roller, because of friction and its insulating characteristic, the surface will rapidly accumulate a large amount of static electricity, before the existing device carries out the winding and discharging operation, because some devices will drive it to pull down and reduce the wrinkle, the material path will be pulled and change, lack the path adaptability static electricity elimination function, static electricity is easy to adsorb the dust, chippings and other small particles in the surrounding environment, these impurities adhere to the material surface, after winding, the appearance quality of product is influenced technical problem.

[0010] In order to realize above-mentioned purpose, the utility model realizes through following technical scheme:

[0011] A seamless laser mould pressing machine with waste heat device, including mould pressing machine device main part, the inside of mould pressing machine device main part is provided with the lifting mechanism for eliminating the wrinkle, the lifting mechanism includes Z letter shape lifting seat, Z letter shape lifting seat slidingly connected in the inside of mould pressing machine device main part, the inside of Z letter shape lifting seat is provided with the rotating mechanism for eliminating static electricity, the rotating mechanism includes rotating seat and static electricity elimination stick, the rotating seat is rotatably connected in the inside of Z letter shape lifting seat, the static electricity elimination stick is sleeved in the inside of rotating seat, the arc guide groove is set up in the inside of rotating seat, the inside of mould pressing machine device main part is provided with the guide mechanism for limiting rotating seat, the guide mechanism includes limit pin, the limit pin is fixedly connected in the inside of mould pressing machine device main part, the limit pin is sleeved in the inside of arc guide groove.

[0012] Preferably, the inside of the mould pressing machine device main part is fixedly connected with a cylinder.

[0013] Preferably, the upper end of the Z letter shape lifting seat is fixedly connected with a U-shaped lifting table.

[0014] Preferably, the inside of the U-shaped lifting table is rotatably connected with a flatting roller, and the inside of the mould pressing machine device main part is fixedly connected with a circulating box.

[0015] Preferably, the inside of the circulating box is provided with a heat-conducting annular seat, and the inside of the heat-conducting annular seat is rotatably connected with an upper mould.

[0016] Preferably, one end of the circulating box close to the upper mould is rotatably connected with a preheating roller, and the upper end of the mould pressing machine device main part is fixedly connected with a heating box.

[0017] Preferably, two air expansion shafts are rotatably connected in the inside of the mould pressing machine device main part.

[0018] Preferably, a set of conveying guide rollers is rotatably connected inside the main body of the molding machine.

[0019] Compared with the prior art, the present invention has the following beneficial effects:

[0020] 1. During the descent of the Z-shaped lifting seat, its upper mounting base drives the rotating seat to slide. Since the limiting pin is fixed inside the main body of the molding machine and sleeved in the arc-shaped guide groove of the rotating seat, when the rotating seat slides, the limiting pin fits against the inside of the arc-shaped guide groove, limiting and pushing the rotating seat to rotate. The rotating seat drives the static elimination rod sleeved inside to rotate, making it parallel to the upper surface of the material. The static elimination rod parallel to the material surface releases ions with opposite charges to the material surface. These ions combine with the static charge generated by friction on the material surface, neutralizing the static electricity and achieving the purpose of eliminating static electricity. This process is carried out simultaneously with the elimination of wrinkles, eliminating static electricity while reducing material wrinkles and improving product quality.

[0021] Second, during the molding process, the upper mold generates a large amount of residual heat due to heating and its own operation. The heat-conducting ring seat, which is in close contact with the upper mold, absorbs this residual heat and directs the heat into the circulation box. The circulation box is equipped with a heat circulation pipe, which transfers the absorbed residual heat to the preheating roller. Before laser molding, the material passes over the upper surface of the preheating roller. The preheating roller, which contains heat, preheats the material, so that the material reaches a more suitable temperature when it enters the molding process, which helps to improve the molding effect. At the same time, it realizes the effective utilization of residual heat and saves energy. Attached Figure Description

[0022] The above description is only an overview of the technical solution of this utility model. In order to better understand the technical means of this utility model and to implement it in accordance with the contents of the specification, the preferred embodiments of this utility model are described in detail below with reference to the accompanying drawings.

[0023] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0024] Figure 2 This is a structural diagram of the upper mold connection of this utility model;

[0025] Figure 3 This is an exploded view of the circulation box connection of this utility model;

[0026] Figure 4 This is an exploded view of the rotating seat connection of this utility model.

[0027] Legend: 11. Main body of the molding machine; 12. Z-shaped lifting seat; 13. Rotating seat; 14. Static eliminator bar; 15. Arc-shaped guide groove; 16. Limit pin; 17. Cylinder; 18. U-shaped lifting platform; 19. Flat pressure roller; 21. Circulation box; 22. Heat-conducting ring seat; 23. Upper mold; 24. Preheating roller; 25. Heating box; 26. Air shaft; 27. Conveying guide roller. Detailed Implementation

[0028] This application provides a seamless laser molding machine equipped with a residual heat device, effectively solving the problem of static electricity buildup when processing materials with high insulation properties. This occurs when the materials are transported within the equipment, come into contact with molds or other components, and separate. For example, when PET film slides rapidly on the feed rollers and conveyor rollers of the molding machine, a large amount of static electricity quickly accumulates on the surface due to friction and its insulating properties. Existing devices, before the winding and unloading operation, sometimes pull the material downwards to reduce wrinkles, altering the material path and lacking a path-adaptive static electricity elimination function. Static electricity easily attracts dust, debris, and other small particles from the surrounding environment, causing these impurities to adhere to the material surface. After winding, the appearance quality of the product will be affected. During the descent of the Z-shaped lifting seat, the upper mounting seat drives the rotating seat to slide. Since the limiting pin is fixed inside the main body of the molding machine and sleeved in the arc-shaped guide groove of the rotating seat, when the rotating seat slides, the limiting pin fits into the inside of the arc-shaped guide groove, limiting and pushing the rotating seat to rotate. The rotating seat drives the static elimination rod sleeved inside to rotate, making it parallel to the upper surface of the material. The static elimination rod parallel to the material surface releases ions with opposite charges to the material surface. These ions combine with the static charge generated by friction on the material surface, neutralizing the static electricity and achieving the purpose of eliminating static electricity. This process is carried out simultaneously with the elimination of wrinkles, eliminating static electricity while reducing material wrinkles and improving product quality.

[0029] Example

[0030] like Figure 1 , Figure 2 , Figure 3 and Figure 4As shown, the technical solution in this application effectively solves the problem that when processing materials with high insulation properties, electrons easily accumulate on their surface and generate static electricity during transmission, contact with molds or other components in the equipment, and separation. For example, when PET film slides rapidly on the feed rollers and conveyor rollers of a molding machine, a large amount of static electricity quickly accumulates on the surface due to friction and its insulation properties. Before the existing device performs the winding and unloading operation, some devices pull the material downwards to reduce wrinkles, which changes the material path. It lacks a path-adaptive static electricity elimination function, and static electricity easily attracts dust, debris, and other tiny particles from the surrounding environment. These impurities adhere to the material surface and affect the appearance quality of the product after winding. The overall concept is as follows: A seamless laser molding machine equipped with a waste heat device includes a molding machine body 11. The molding machine body 11 has an internal lifting mechanism for eliminating wrinkles, including a Z-shaped lifting seat 12 slidably connected inside the molding machine body 11. The Z-shaped lifting seat 12 has an internal rotating mechanism for eliminating static electricity, including a rotating seat 13 and a static eliminator 14. The rotating seat 13 is rotatably connected inside the Z-shaped lifting seat 12, and the static eliminator 14 is sleeved inside the rotating seat 13. The rotating seat 13 has an arc-shaped guide groove 15 inside. The molding machine body 11 has a guide mechanism for limiting the rotating seat 13, including a limit pin 16. A cylinder 17 is fixedly connected inside the main body 11 of the molding machine. A Z-shaped lifting seat 12 is fixedly connected to the upper end of the cylinder 17. A U-shaped lifting platform 18 is fixedly connected to the upper end of the Z-shaped lifting seat 12. The U-shaped lifting platform 18 is slidably connected inside the main body 11 of the molding machine. A flat pressure roller 19 is rotatably connected inside the U-shaped lifting platform 18. When the Z-shaped lifting seat 12 is raised or lowered, the cylinder 17 acts as a power source, driving the U-shaped lifting platform 18 to rise or fall through the Z-shaped lifting seat 12. The material being laser-molded is conveyed to one end along the lower surface of the flat pressure roller 19. During the conveying process, the material is driven downward by the U-shaped lifting platform 18 and the flat pressure roller 19. As the material descends, it is wound up. Before winding, the U-shaped lifting platform 18 and flattening rollers 19 pull the material downward to reduce surface wrinkles. Simultaneously, the Z-shaped lifting seat 12 descends, driving the rotating seat 13 to slide via the mounting base at its upper end. As the rotating seat 13 slides, the limiting pin 16 engages with the arc-shaped guide groove 15, limiting and pushing the rotating seat 13 to rotate. The rotating seat 13 then drives the static eliminator 14 to rotate, making it parallel to the upper surface of the material. The static eliminator 14, parallel to the material, releases ions with opposite charges onto the material surface. These ions combine with the static charges generated on the material surface due to friction, thereby neutralizing the static electricity and achieving the purpose of eliminating static electricity.The Z-shaped lifting seat 12 lowers the material to reduce wrinkles while simultaneously bringing the static elimination rod 14 parallel to the material to eliminate static electricity.

[0031] The main body 11 of the molding machine is fixedly connected to a circulation box 21. A heat-conducting ring seat 22 is set inside the circulation box 21. An upper mold 23 is rotatably connected inside the heat-conducting ring seat 22. A preheating roller 24 is rotatably connected to one end of the circulation box 21 near the upper mold 23. During the molding process, the upper mold 23 is heated and the laser pattern is printed on the surface of the material. The residual heat generated by the rotation of the upper mold 23 and itself is absorbed by the heat-conducting ring seat 22. The heat-conducting ring seat 22 is made of copper. The heat-conducting ring seat 22 guides the heat into the circulation box 21. The heat is transferred to the preheating roller 24 through the heat circulation pipe in the circulation box 21. Before the laser molding process, the heat is conveyed through the upper surface of the preheating roller 24. The preheating roller 24, which contains heat, has a preheating effect before the laser molding process. The residual heat during the processing is collected and utilized by the circulation box 21 and the heat-conducting ring seat 22.

[0032] A heating box 25 is fixedly connected to the upper end of the main body 11 of the molding machine. The upper mold 23 is rotatably connected inside the heating box 25. Two air shafts 26 are rotatably connected inside the main body 11 of the molding machine. The two air shafts 26 are rotatably connected to both ends of the main body 11 of the molding machine. A set of conveying guide rollers 27 are rotatably connected inside the main body 11 of the molding machine. The two air shafts 26 are located at both ends of the main body 11 of the molding machine. The two air shafts 26 are used for loading and unloading materials. The material is conveyed along the loading air shaft 26 to one end close to the other air shaft 26. During the conveying process, the conveying guide rollers 27 limit the conveying path to ensure stable conveying. During the conveying process, the material passes the upper end of the lower mold set inside the circulation box 21. At this time, the rotatable upper mold 23 is located above the material. The upper mold 23 has a raised part with a laser pattern. The laser pattern is imprinted on the surface of the material through the upper mold 23. During the laser molding process, the heating box 25 heats the upper mold 23 to provide the heat required for the molding process.

[0033] To address the problems existing in the prior art, this utility model provides a seamless laser molding press equipped with a residual heat device. During the descent of the Z-shaped lifting seat 12, its upper mounting seat drives the rotating seat 13 to slide. Since the limiting pin 16 is fixed inside the main body 11 of the molding press and sleeved in the arc-shaped guide groove 15 of the rotating seat 13, when the rotating seat 13 slides, the limiting pin 16 fits against the inside of the arc-shaped guide groove 15, limiting and pushing the rotating seat 13 to rotate. The rotating seat 13 drives the static elimination rod 14 sleeved inside it to rotate, making it parallel to the upper surface of the material. The static elimination rod 14, parallel to the surface of the material, releases ions with opposite charges to the surface of the material. These ions combine with the static charge generated by friction on the surface of the material, neutralizing the static electricity and achieving the purpose of eliminating static electricity. This process is carried out simultaneously with the elimination of wrinkles, eliminating static electricity while reducing wrinkles in the material, thus improving product quality.

[0034] Molding machine main body 11: Serves as the basic framework of the entire equipment, providing space for the installation and operation of other components;

[0035] Z-shaped lifting seat 12: It is a key component of the lifting mechanism. It is connected to cylinder 17 and slides up and down under the drive of cylinder 17.

[0036] Rotating seat 13: When sliding down driven by the Z-shaped lifting seat 12, it rotates due to the cooperation of the limiting pin 16 and the arc-shaped guide groove 15, thereby driving the static elimination rod 14 to rotate, so that it can adjust the angle according to the material position, and finally parallel to the upper surface of the material, providing an angle adjustment function for the static elimination rod 14 to effectively eliminate static electricity in the material.

[0037] Static eliminator 14: It is sleeved inside the rotating seat 13. When the rotating seat 13 drives it to rotate to be parallel to the upper surface of the material, it releases ions with opposite charges to the material surface. These ions combine with the static charge generated by friction on the material surface to neutralize the static electricity, thereby eliminating static electricity on the material surface, improving product quality, and avoiding adverse effects of static electricity on the product, such as dust adsorption and affecting pattern transfer.

[0038] Arc-shaped guide groove 15: It is formed inside the rotating seat 13 and cooperates with the limiting pin 16. During the sliding process of the rotating seat 13, the limiting pin 16 fits against its interior to restrict the movement trajectory of the rotating seat 13, so that it can only rotate according to the shape of the arc-shaped guide groove 15.

[0039] Limit pin 16: When the rotating seat 13 slides, it limits the rotation of the rotating seat 13 and pushes the rotating seat 13 to rotate, ensuring the accuracy and stability of the angle adjustment of the rotating seat 13 and the static elimination rod 14, thereby ensuring the effective implementation of static elimination work;

[0040] Cylinder 17: Fixed inside the main body 11 of the molding machine, serving as the power source for the lifting mechanism, providing power for the lifting of the Z-shaped lifting seat 12;

[0041] U-shaped lifting platform 18: It is fixedly connected to the upper end of Z-shaped lifting seat 12 and moves up and down synchronously under the drive of Z-shaped lifting seat 12; its interior is rotatably connected to flat pressure roller 19. During the material conveying process, it works together with flat pressure roller 19 to drive the material down. The downward pulling force reduces the wrinkles on the surface of the material, provides a flatter state for the material to be wound up, and improves the winding quality.

[0042] Flattening roller 19: During material conveying, it applies downward pressure and tension to the material by means of its own rotation and the downward movement of the U-shaped lifting platform 18, effectively smoothing out the wrinkles on the surface of the material.

[0043] Circulation box 21: It is an important component of the waste heat collection and transmission system. Through the internal heat circulation pipe, the waste heat generated by the upper mold 23 absorbed by the heat-conducting ring seat 22 is transferred to the preheating roller 24.

[0044] Heat-conducting ring seat 22: Located inside the circulation box 21, made of copper, it has good thermal conductivity. It is in contact with the rotating upper mold 23 and can efficiently absorb the waste heat generated by the upper mold 23 during heating and operation, and transfer the heat to the heat circulation pipe in the circulation box 21. It is a key component of the waste heat collection process, ensuring that the waste heat can be smoothly transferred from the source to the part that needs to be used.

[0045] Upper mold 23: Under the heating action of heating box 25, the raised part with laser pattern is heated and precisely imprinted on the surface of the material during the rotation process, realizing laser molding processing and giving the material the required laser effect;

[0046] Preheating roller 24: Rotatably connected to one end of the circulating box 21 near the upper mold 23; heated by the residual heat transferred through the heat circulation pipe in the circulating box 21. Before laser molding, the material passes over its upper surface, which preheats the material to a more suitable molding temperature, which helps to improve the molding effect, improve product quality, and at the same time realize the effective use of residual heat and reduce energy consumption.

[0047] Heating box 25: Internally connected to upper mold 23, it provides heating function for upper mold 23, so that it reaches the appropriate temperature during the molding process, ensuring that the laser pattern can be clearly and accurately imprinted on the material surface, providing the necessary heat conditions for the molding process, which is an important guarantee for achieving high-quality laser molding;

[0048] Air shaft 26: Rotatably connected to both ends of the main body 11 of the molding machine. One is used to place the material roll for feeding. As the air shaft 26 rotates, it drives the material to be conveyed along the set path. The other is used to rewind the material after laser molding. They are key components for material entering and exiting the molding machine, ensuring continuous material conveying and rewinding operations in the molding machine, and ensuring the continuity of the production process.

[0049] Conveying guide roller 27: Limits the material conveying path. Through reasonable arrangement and coordinated work, it ensures that the material is conveyed stably and accurately along the set path, avoiding material deviation or shaking during the conveying process, and providing stable material conveying conditions for laser molding and subsequent operations.

[0050] Working principle:

[0051] In the first step, the material roll is placed on one of the air shafts 26. As the air shaft 26 rotates, feeding begins (the main body 11 of the molding machine is equipped with a drive structure, i.e., a motor, which drives the air shaft 26 to rotate). The material is conveyed along a set path to one end of the other air shaft 26. During the conveying process, a set of conveying guide rollers 27 limits the material's conveying path to ensure stable and accurate material conveying. When the material is conveyed to the upper mold inside the circulation box 21, the heating box 25 heats the upper mold 23. The upper mold 23 has raised parts with laser patterns. During rotation, the heated laser patterns are pressed onto the surface of the material, completing the laser molding process and giving the material the desired laser effect. The upper mold 23 and its matching lower mold are manufactured using advanced CNC machining technology (such as laser engraving), which can accurately print the patterns. The lines, textures, and other details are more detailed and precise, which allows the pattern to be accurately transferred to the material during the molding process. This avoids defects such as gaps or misalignments caused by insufficient mold precision, thus achieving a seamless pattern. During the molding process, the upper mold 23 generates a large amount of residual heat due to heating and its own operation. The heat-conducting ring seat 22 (made of copper with good thermal conductivity), which is in close contact with the upper mold 23, absorbs this residual heat and directs it into the circulation box 21. The circulation box 21 is equipped with a heat circulation pipe, which transfers the absorbed residual heat to the preheating roller 24. Before laser molding, the material passes over the upper surface of the preheating roller 24. The preheating roller 24, which contains heat, preheats the material, allowing it to reach a more suitable temperature when entering the molding process. This helps to improve the molding effect and also achieves effective utilization of residual heat, saving energy.

[0052] In the second step, before the material is wound up after laser molding, cylinder 17 acts as a power source to drive the Z-shaped lifting seat 12 to rise and fall. The Z-shaped lifting seat 12 drives the U-shaped lifting platform 18 to rise and fall synchronously. The laser-molded material is conveyed along the lower surface of the flattening roller 19. During the conveying process, the U-shaped lifting platform 18 and the flattening roller 19 drive the material to descend. This downward pulling force reduces wrinkles on the surface of the material, providing a smoother material for subsequent winding. During the descent of the Z-shaped lifting seat 12, its upper mounting seat drives the rotating seat 13 to slide. Since the limiting pin 16 is fixed to the main body 11 of the molding machine, The rotating seat 13 is internally fitted into the arc-shaped guide groove 15. When the rotating seat 13 slides, the limiting pin 16 fits into the inside of the arc-shaped guide groove 15, limiting and pushing the rotating seat 13 to rotate. The rotating seat 13 drives the static elimination rod 14 fitted inside it to rotate, making it parallel to the upper surface of the material. The static elimination rod 14, which is parallel to the surface of the material, releases ions with opposite charges to the surface of the material. These ions combine with the static charge generated by friction on the surface of the material to neutralize the static electricity and achieve the purpose of eliminating static electricity. This process is carried out simultaneously with the elimination of wrinkles, eliminating static electricity while reducing wrinkles in the material and improving product quality.

[0053] Finally, it should be noted that the above embodiments are merely examples for clearly illustrating the present invention and are not intended to limit the implementation. Those skilled in the art can make other variations or modifications based on the above description. It is neither necessary nor possible to exhaustively list all possible implementations. However, obvious variations or modifications derived therefrom are still within the protection scope of this invention.

Claims

1. A seamless laser molding machine provided with a waste heat device, comprising a molding machine device main body (11) inside which a wrinkle-eliminating lifting mechanism is provided, the lifting mechanism comprising a Z-shaped lifting seat (12), characterized in that, The Z-shaped lifting seat (12) is slidingly connected inside the molding machine device body (11), a rotating mechanism for eliminating static electricity is arranged inside the Z-shaped lifting seat (12), the rotating mechanism comprises a rotating seat (13) and a static electricity eliminating rod (14), the rotating seat (13) is rotatably connected inside the Z-shaped lifting seat (12), the static electricity eliminating rod (14) is sleeved inside the rotating seat (13), and an arc-shaped guide groove (15) is formed in the rotating seat (13). Wherein, the guide mechanism for limiting the rotating seat (13) is arranged inside the molding machine device body (11), the guide mechanism comprises a limiting pin (16), the limiting pin (16) is fixedly connected inside the molding machine device body (11), and the limiting pin (16) is sleeved inside the arc-shaped guide groove (15).

2. A seamless laser-molding machine provided with a waste heat device according to claim 1, characterized in that, The molding machine device body (11) is fixedly connected with a cylinder (17) inside. Wherein, the Z-shaped lifting seat (12) is fixedly connected to the upper end of the cylinder (17).

3. A seamless laser-molding machine provided with a waste heat device according to claim 2, characterized in that, The upper end of the Z-shaped lifting seat (12) is fixedly connected with a U-shaped lifting table (18). Wherein, the U-shaped lifting table (18) is slidingly connected inside the molding machine device body (11).

4. A seamless laser-molding machine provided with a waste heat device according to claim 3, characterized in that, A flat pressing roller (19) is rotatably connected inside the U-shaped lifting table (18). Wherein, the molding machine device body (11) is fixedly connected with a circulating box (21) inside.

5. A seamless laser-molding machine provided with a waste heat device according to claim 4, characterized in that, The circulating box (21) is provided with a heat-conducting annular seat (22) inside. Wherein, the heat-conducting annular seat (22) is rotatably connected with an upper die (23) inside.

6. A seamless laser-molding machine provided with a waste heat device according to claim 5, characterized in that, A preheating roller (24) is rotatably connected to one end of the circulating box (21) close to the upper die (23). Wherein, the upper end of the molding machine device body (11) is fixedly connected with a heating box (25).

7. A seamless laser-molding machine provided with a waste heat device according to claim 6, characterized in that, The upper die (23) is rotatably connected inside the heating box (25). Wherein, two air expansion shafts (26) are rotatably connected inside the molding machine device body (11).

8. A seamless laser-molding machine provided with a waste heat device according to claim 7, characterized in that, The two air expansion shafts (26) are rotatably connected to the two ends of the molding machine device body (11) respectively. Wherein, a group of conveying guide rollers (27) are rotatably connected inside the molding machine device body (11).

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