A hot stamping device for paper bag processing

Abstract

The present application provides a hot stamping device for paper bag processing, comprising a mounting base and a control panel arranged on the side of the mounting base, a movable frame is arranged above the mounting base, an electric lifting system for controlling the upward and downward movement of the movable frame is arranged on the side of the mounting base, a hot stamping plate is arranged at the bottom of the movable frame, and an electric heating component for heating the hot stamping plate is arranged on the movable frame. The hot stamping device for paper bag processing can effectively position the paper bag during the hot stamping process of the paper bag by pressing down the hot stamping paper to avoid the movement of the paper bag affecting the hot stamping quality, and can also flatten the paper bag after positioning it to avoid the bending and wrinkling of the paper bag affecting the hot stamping effect. At the same time, the hot stamping device can also be used for preheating the hot stamping paper to avoid the hot stamping paper being rapidly heated and shrunk after the heated hot stamping plate contacts the hot stamping paper, thereby ensuring the hot stamping effect of the paper bag.

Description

Technical Field

[0001] The invention relates to the technical field of paper bag processing, in particular to a hot stamping device for paper bag processing. Background Art

[0002] As a commonly used process technology, hot stamping usually involves stamping metal foil onto the surface of a paper bag by heat transfer, so that the surface of the paper bag presents golden text or patterns, increasing the added value of the product. By hot stamping trademarks on paper bags, counterfeit products can be effectively prevented and the rights and interests of brand-name products can be protected. This technology not only improves the anti-counterfeiting performance of paper bag products, but also increases the market reputation of paper bag products and consumers' trust in the brand. At present, when hot stamping paper bags, it is necessary to ensure the flatness of the paper bags during hot stamping so that patterns, texts, icons, etc. can be effectively hot stamped on the outside of the paper bags. However, it is not easy for the hot stamping device to flatten the paper bags during use, and some paper scraps, hair, etc. are easily attached to the outside of the paper bags during the hot stamping process, affecting the hot stamping effect of the paper bags, which is not convenient for hot stamping of paper bags.

[0003] The existing patent document CN213973134U discloses an automatic plateless hot stamping machine for paper bags, including a support box, a fixed plate fixedly connected inside the support box, two support plates fixedly connected to the support box, first electric slide rails are provided on the side walls of the two support plates, lifting plates are slidably connected to the two first electric slide rails, second electric slide rails are provided on the lifting plates, and the hot stamping machine body is slidably connected to the second electric slide rails; in this scheme, the straightening of paper bags is achieved through the cooperation of structures such as motors, worm gears, and electric telescopic rods, but its structure is relatively complex and its functions are relatively single, so it can only be used for flattening paper bags, but is not convenient for cleaning during hot stamping of paper bags.

[0004] In addition, the existing patent document CN218655658U discloses a leveling and cleaning device for packaging printing, including two columns, a top plate, a cylinder, a dust suction mechanism, a connecting block, a first sleeve, a first spring, a first connecting rod, a mounting frame, a pressure rod, a lower pressure wheel, a screw, a driving motor, a moving block, and a rolling and cleaning mechanism. The rolling and cleaning mechanism is used to achieve back and forth movement, and the rolling wheel and brush in the rolling and cleaning mechanism simultaneously achieve leveling and cleaning of the surface of the packaging product; however, in this scheme, printing cannot be performed during the leveling and cleaning process of the packaging product. After the packaging product is removed from the device, during the printing process, the paper bag may still cause printing problems due to unevenness, which makes the printing of the packaging product more inconvenient. Summary of the invention

[0005] The technical problem to be solved by the present invention is to overcome the existing defects and provide a hot stamping processing device for paper bag processing. During the hot stamping process of the paper bag by pressing down the hot stamping paper, the paper bag can be effectively positioned to prevent the movement of the paper bag from affecting the hot stamping quality. After the paper bag is positioned, the paper bag can also be flattened to prevent the bending and wrinkles of the paper bag from affecting the hot stamping effect. At the same time, the hot stamping processing device can also be used for the preheating treatment of the hot stamping paper to prevent the hot stamping paper from being rapidly heated and shrinking after the heated hot stamping plate contacts the hot stamping paper, thereby ensuring the hot stamping effect of the paper bag and effectively solving the problems in the background technology.

[0006] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a hot stamping processing device for paper bag processing, comprising a mounting base and a control panel arranged on the side of the mounting base, a movable frame is arranged above the mounting base, an electric lifting system for controlling the upward and downward movement of the movable frame is installed on the side of the mounting base, a hot stamping plate is installed at the bottom of the movable frame, and an electric heating component for heating the hot stamping plate is installed on the movable frame, an air jet component and a flattening component for flattening the paper bag are arranged on the side of the movable frame, a winding component is arranged on the side of the mounting base, and hot stamping paper is flatly wrapped on the winding component, the electric lifting system, the control switch corresponding to the electric lifting system in the control panel and the external power supply are connected in series to form a working circuit of the electric lifting system, and the electric heating component, the control switch corresponding to the electric heating component in the control panel and the external power supply are connected in series to form a working circuit of the electric heating component.

[0007] As a preferred technical solution of the present invention, the jet assembly includes a positioning frame installed on the side of the movable frame, a jet box is slidably arranged in the positioning frame, a plurality of jet holes are opened on the side of the jet box close to the hot stamping plate, a limit assembly for limiting the position of the jet box is arranged on the side of the positioning frame, and an air supply system for supplying air to the jet box is installed on the side of the mounting base.

[0008] As a preferred technical solution of the present invention, a detection module is installed at the bottom of the jet box, and the detection module includes a pressure detection sensor and a visual monitoring module. The detection module, a control switch corresponding to the detection module in the control panel, and an external power supply are connected in series to form a working circuit of the detection module.

[0009] As a preferred technical solution of the present invention, the limiting assembly includes a guide rod slidably mounted on the upper side of the positioning frame, the bottom end of the guide rod is fixedly connected to the top of the jet box, the top of the guide rod is fixed with a constraint plate located above the positioning frame, the guide rod outer sleeve is provided with a constraint spring, and the constraint spring is located between the jet box and the positioning frame.

[0010] As a preferred technical solution of the present invention, the air supply system includes an air pump installed on the side of the mounting base, an air inlet pipe connected to the inner cavity of the jet box is arranged at the air outlet of the air pump, a filter box is arranged at the air inlet of the air pump, and the air inlet of the air pump is connected to the inner cavity of the filter box, the air pump, a control switch corresponding to the air pump in the control panel, and an external power supply are connected in series to form a working circuit of the air pump.

[0011] As a preferred technical solution of the present invention, the leveling assembly includes fixed plates installed on both sides of the movable frame, a rotating plate is arranged on the side of the fixed plate, one end of the rotating plate is rotatably installed on the side of the fixed plate, a leveling roller is rotatably installed on the other end of the rotating plate, a positioning column for limiting the maximum downward deviation angle of the rotating plate is installed on the side of the fixed plate, a positioning plate is fixed on the side of the fixed plate at a position above the rotating plate, and a positioning spring is arranged between the positioning plate and the rotating plate.

[0012] As a preferred technical solution of the present invention, mounting bases are fixed on both sides of the mounting base, the winding assembly includes a positioning seat fixed on the upper side of the mounting base, and a winding roller is rotatably installed in the positioning seat, a servo motor for driving the winding roller to rotate is installed on the side of one of the positioning seats, the hot stamping paper is wound on the outside of the winding roller, and the servo motor, the control switch corresponding to the servo motor in the control panel, and the external power supply are connected in series to form a working circuit of the servo motor.

[0013] As a preferred technical solution of the present invention, a mounting frame is fixed to the side of the mounting base, a positioning roller is rotatably mounted in the mounting frame, the positioning roller is installed at a higher position than the mounting base, and the winding roller is installed at a lower position than the mounting base.

[0014] As a preferred technical solution of the present invention, a mounting plate is fixed on the side of the movable frame, a movable frame is arranged above the mounting plate, and the movable frame is in an inverted L-shaped structure, a limiting roller is installed on the side of the movable frame, the installation position of the limiting roller is lower than the hot stamping plate but higher than the mounting base, and the limiting roller is located between the mounting base and the positioning roller, a limiting rod is fixed on the side of the mounting plate, and a limiting plate is fixed on the top of the limiting rod, the movable frame is slidably connected to the limiting rod, a limiting spring is sleeved on the outer side of the limiting rod, and the limiting spring is located between the limiting plate and the movable frame.

[0015] As a preferred technical solution of the present invention, a conveying assembly is arranged above the mounting base, and the conveying assembly is located directly below the hot stamping plate. The conveying assembly, the control switch corresponding to the conveying assembly in the control panel, and the external power supply are connected in series to form a working circuit of the conveying assembly.

[0016] Compared with the prior art, the present invention has the following beneficial effects:

[0017] 1. In the hot stamping device for paper bag processing of the present invention, the control panel controls the operation of the electric lifting system to drive the moving frame to move downward. During this process, the jet box first contacts one side of the paper bag, and as the moving frame moves downward, the jet box presses and fixes the paper bag to prevent the movement of the paper bag during the subsequent hot stamping process from affecting its hot stamping quality.

[0018] 2. In the hot stamping device for paper bag processing of the present invention, the vacuum pump draws gas from the outside, the gas enters the jet box through the air inlet pipe and is ejected through the jet holes on the side of the jet box. The ejected airflow cleans foreign matter on the surface of the paper bag, and at the same time, the airflow cleans foreign matter on the surface of the hot stamping paper, so as to avoid foreign matter such as paper scraps and hair adhering to the surface of the paper bag or the hot stamping paper to affect the hot stamping quality.

[0019] 3. In the hot stamping device for paper bag processing of the present invention, after the jet box contacts one side of the paper bag to position it, as the movable frame continues to move downward, the flattening roller installed at the end of the rotating plate contacts the paper bag, and then as the movable frame moves downward, the rotating plate squeezes the positioning spring and rotates on the side of the fixed plate, so that the flattening roller pushes the other side of the paper bag, which facilitates the flattening of the paper bag.

[0020] 4. In the hot stamping device for paper bag processing of the present invention, during the hot stamping process, as the movable frame moves downward, the hot stamping plate gradually approaches the hot stamping paper, and the limiting rollers arranged on the side of the movable frame position the hot stamping paper. This method makes the hot stamping paper close to the hot stamping plate but not in contact with the hot stamping plate, so that the hot stamping plate preheats the hot stamping paper under the action of thermal radiation, avoiding direct contact between the hot stamping plate and the hot stamping paper during the hot stamping process, which causes the hot stamping paper to shrink due to rapid heating, thereby ensuring the flatness of the hot stamping paper and facilitating the hot stamping of the paper bag. The limiting rollers arranged on both sides of the movable frame further flatten and tension the hot stamping paper, thereby improving the hot stamping quality of the paper bag.

[0021] 5. In the hot stamping device for paper bag processing of the present invention, during the upward movement of the movable frame after the hot stamping is completed, the constraint spring sleeved on the side of the guide rod pushes the jet box to gradually move out of the positioning frame. When the jet holes on the side of the jet box move out of the positioning frame, the airflow is ejected from the jet holes on the side of the jet box again. At this time, the ejected airflow is used for cooling the paper bag after hot stamping, and is also used for cooling the hot stamping plate after hot stamping, so as to avoid the hot stamping plate being heated by the electric heating component for a long time and causing temperature loss, so as to facilitate the hot stamping of the paper bag at a suitable temperature. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a structural schematic diagram of the present invention;

[0023] Figure 2 It is a structural schematic diagram of another perspective of the present invention;

[0024] Figure 3 It is a front view structural schematic diagram of the present invention;

[0025] Figure 4 for Figure 3 A schematic diagram of the enlarged structure at A in the middle;

[0026] Figure 5 for Figure 3 A schematic diagram of the enlarged structure at B in the middle;

[0027] Figure 6 It is a schematic diagram of the structure of the hot stamping plate and the jetting assembly in the present invention;

[0028] Figure 7 for Figure 6 A schematic diagram of the front view structure of

[0029] Figure 8 It is a schematic diagram of the structure of the conveying component and the winding component in the present invention;

[0030] Fig. 9 for Figure 8 Schematic diagram of the structure after the gold foil paper is removed.

[0031] In the figure: 1 mounting base, 2 control panel, 3 mounting bottom plate, 31 positioning seat, 32 winding roller, 33 servo motor, 34 hot stamping paper, 35 mounting frame, 36 positioning roller, 4 electric lifting system, 5 moving frame, 51 hot stamping plate, 52 electric heating component, 53 fixed plate, 54 rotating plate, 55 leveling roller, 56 positioning column, 57 positioning plate, 58 positioning spring, 6 positioning frame, 61 jet box, 62 guide rod, 63 restraining spring, 64 detection module, 65 vacuum pump, 66 air inlet pipe, 67 filter box, 7 mounting plate, 71 moving frame, 72 limit roller, 73 limit rod, 74 limit plate, 75 limit spring, 8 conveying component. DETAILED DESCRIPTION

[0032] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0033] See also Figure 1-9The present invention provides a technical solution: a hot stamping device for paper bag processing, comprising a mounting base 1 and a control panel 2 arranged on the side of the mounting base 1, the control panel 2 is a PLC controller with a display screen and a control switch, the electronic components in the hot stamping device are controlled by the control panel 2, and the control panel 2 is used to receive signals fed back by some electronic components, the display screen arranged in the control panel 2 is convenient for the staff to obtain the working information of the hot stamping device, a moving frame 5 is arranged above the mounting base 1, an electric lifting system 4 for controlling the moving frame 5 to move up and down is arranged on the side of the mounting base 1, the electric lifting system 4, the control switch corresponding to the electric lifting system 4 in the control panel 2 and the external power supply are connected in series to form a working circuit of the electric lifting system 4, the electric lifting system 4 includes a plurality of groups of synchronously working electric telescopic components, preferably, four groups of electric telescopic components are arranged, and the four groups of electric telescopic components are respectively located at the four corners of the moving frame 5, the electric telescopic components include but are not limited to electric hydraulic cylinders or servo electric cylinders, the moving frame 5 is controlled to move up and down by the synchronous operation of the four groups of electric telescopic components, so that the paper bag can be hot stamped by the hot stamping device.

[0034] A hot stamping plate 51 is installed at the bottom of the mobile frame 5. A hot stamping plate 51 of an appropriate type is selected according to the pattern, text, trademark and other contents required for hot stamping, and the hot stamping plate 51 is installed on the mobile frame 5. An electric heating component 52 for heating the hot stamping plate 51 is installed on the mobile frame 5. The electric heating component 52 includes but is not limited to an electric heating plate or an electric heating rod, and the heating end of the electric heating component 52 is in contact with the hot stamping plate 51. The electric heating component 52, the control switch corresponding to the electric heating component 52 in the control panel 2 and the external power supply are connected in series to form a working circuit of the electric heating component 52. An air jet component and a flattening component for flattening the paper bag are arranged on the side of the mobile frame 5. The arranged air jet component is used for cleaning foreign matter on the surface of the paper bag. A winding component is arranged on the side of the mounting base 1, and hot stamping paper 34 is flatly wrapped on the winding component. The winding component is used for positioning and replacing the hot stamping paper 34, and the hot stamping paper 34 is an electrochemical aluminum foil.

[0035] A conveying assembly 8 is arranged above the mounting base 1, and the conveying assembly 8 is located directly below the hot stamping plate 51. The conveying assembly 8, the control switch corresponding to the conveying assembly 8 in the control panel 2, and the external power supply are connected in series to form a working circuit of the conveying assembly 8. The arranged conveying assembly 8 facilitates the transportation of paper bags and facilitates the hot stamping processing device to continuously work to hot stamp paper bags. The conveying assembly 8 is preferably a belt conveyor, and the belt conveyor needs to have a certain bearing capacity to avoid deformation of the conveying assembly 8 during the hot stamping process.

[0036] The jet assembly includes a positioning frame 6 installed on the side of the mobile frame 5, a jet box 61 is slidably arranged in the positioning frame 6, a side of the jet box 61 close to the hot stamping plate 51 is provided with a plurality of jet holes, a detection module 64 is installed at the bottom of the jet box 61, the detection module 64 includes at least a pressure detection sensor and a visual monitoring module, the pressure detection sensor can also be a distance detection switch, the visual monitoring module includes but is not limited to an image detection sensor or a camera assembly, the detection module 64, the control switch corresponding to the detection module 64 in the control panel 2, and the external power supply are connected in series to form the detection module 6 4, when the paper bag is conveyed to the bottom of the detection module 64 by the conveying component 8, the visual monitoring module in the detection module 64 feeds back the monitoring information to the control panel 2, the control panel 2 controls the conveying component 8 to stop working, and the control panel 2 controls the electric heating component 52 to work to heat the hot stamping plate 51, and at the same time, the control panel 2 controls the electric lifting system 4 to work to drive the moving frame 5 to move downward. During this process, the jet box 61 first contacts one side of the paper bag, and as the moving frame 5 moves downward, the jet box 61 presses and fixes the paper bag to prevent the movement of the paper bag in the subsequent hot stamping process from affecting its hot stamping quality.

[0037] An air supply system for supplying air to the jet box 61 is installed on the side of the mounting base 1, and the air supply system includes an air pump 65 installed on the side of the mounting base 1, and an air inlet pipe 66 connected to the inner cavity of the jet box 61 is arranged at the air outlet of the air pump 65. The air pump 65, the control switch corresponding to the air pump 65 in the control panel 2, and the external power supply are connected in series to form a working circuit of the air pump 65. After the bottom side of the jet box 61 contacts the paper bag, the pressure detection sensor in the detection module 64 feeds back a signal to the control panel 2, and the control panel 2 controls the air pump 65 to work, and the air pump 65 draws gas from the outside. The gas enters the jet box 61 through the air inlet pipe 66 and is ejected through the jet holes on the side of the jet box 61. The ejected airflow cleans foreign matter on the surface of the paper bag, and at the same time, the airflow cleans foreign matter on the surface of the hot stamping paper 34 to prevent foreign matter such as paper scraps and hair from adhering to the surface of the paper bag or the hot stamping paper 34 and affecting the hot stamping quality.

[0038] A filter box 67 is provided at the air inlet of the vacuum pump 65, and the air inlet of the vacuum pump 65 is connected to the inner cavity of the filter box 67. When the vacuum pump 65 draws air from the outside, the filter box 67 installed at the air inlet of the vacuum pump 65 filters foreign matter in the extracted air flow to ensure the cleanliness of the air flow ejected from the jet box 61, which is convenient for cleaning foreign matter on the surface of the paper bag and the surface of the hot stamping paper 34.

[0039] A limiting assembly for limiting the position of the jet box 61 is arranged on the side of the positioning frame 6, and the limiting assembly includes a guide rod 62 slidably mounted on the upper side of the positioning frame 6, the bottom end of the guide rod 62 is fixedly connected to the top of the jet box 61, and a constraint plate located above the positioning frame 6 is fixed to the top of the guide rod 62. A constraint spring 63 is arranged on the outer sleeve of the guide rod 62, and the constraint spring 63 is located between the jet box 61 and the positioning frame 6. As the movable frame 5 gradually moves downward, the jet box 61 squeezes the constraint spring 63 and gradually moves into the positioning frame 6. In this process, the guide rod 62 plays a positioning and guiding role. As the jet box 61 gradually moves into the positioning frame 6, the area of ​​the jet hole on the side of the jet box 61 gradually decreases. When the air flow rate remains unchanged, the reduction in the area of ​​the jet hole increases the strength of the ejected airflow, thereby improving the cleaning effect of foreign matter on the surface of the paper bag and the surface of the hot stamping paper 34.

[0040] After the hot stamping is completed, during the upward movement of the movable frame 5, the restraint spring 63 sleeved on the side of the guide rod 62 pushes the jet box 61 to gradually move out of the positioning frame 6. When the jet holes on the side of the jet box 61 move out of the positioning frame 6, the airflow is ejected from the jet holes on the side of the jet box 61 again. At this time, the ejected airflow is used for cooling the paper bag after hot stamping, and is also used for cooling the hot stamping plate 51 after hot stamping, so as to avoid the hot stamping plate 51 being heated for a long time by the electric heating component 52 and causing temperature out of control, so as to facilitate the hot stamping plate 51 to be at a suitable temperature for hot stamping the paper bag.

[0041] The leveling assembly includes a fixed plate 53 installed on both sides of the mobile frame 5, a rotating plate 54 is arranged on the side of the fixed plate 53, one end of the rotating plate 54 is rotatably installed on the side of the fixed plate 53 through a rotating shaft, and a leveling roller 55 is rotatably installed on the other end of the rotating plate 54, and a positioning column 56 for limiting the maximum downward deviation angle of the rotating plate 54 is installed on the side of the fixed plate 53, and a positioning plate 57 is fixed on the side of the fixed plate 53 at a position above the rotating plate 54, and a positioning spring 5 is arranged between the positioning plate 57 and the rotating plate 54. 8. After the jet box 61 contacts one side of the paper bag to position it, as the movable frame 5 continues to move downward, the flattening roller 55 installed at the end of the rotating plate 54 contacts the paper bag. Then, as the movable frame 5 moves downward, the rotating plate 54 squeezes the positioning spring 58 and rotates on the side of the fixed plate 53, so that the flattening roller 55 pushes the other side of the paper bag to facilitate the flattening of the paper bag. During and after the flattening of the paper bag, the flattening roller 55 rotates on the side of the rotating plate 54 to reduce the friction between the flattening roller 55 and the paper bag, thereby ensuring the quality of the paper bag.

[0042] After the hot stamping is completed, when the movable frame 5 moves up, the positioning spring 58 pushes the rotating plate 54 to rotate and reset, so that the paper bag can be flattened by the flattening component when hot stamping is performed again. The positioning column 56 installed on the side of the fixed plate 53 limits the maximum angle at which the rotating plate 54 can rotate downward, ensuring that the jet box 61 contacts the paper bag first and the flattening roller 55 contacts the paper bag next time it is used, which is convenient for the flattening of the paper bag and avoids the flattening roller 55 contacting the paper bag first and then pushing the paper bag to move, affecting the hot stamping of the paper bag.

[0043] Mounting base plates 3 are fixed on both sides of the mounting base 1. The winding assembly includes a positioning seat 31 fixed on the upper side of the mounting base plate 3, and a winding roller 32 is rotatably installed in the positioning seat 31 through a bearing assembly. A servo motor 33 for driving the winding roller 32 to rotate is installed on the side of one of the positioning seats 31. The hot stamping paper 34 is wound around the outer side of the winding roller 32. The servo motor 33, a control switch corresponding to the servo motor 33 in the control panel 2, and an external power supply are connected in series to form a working circuit of the servo motor 33. After the moving frame 5 moves upward to separate the limiting roller 72 from the hot stamping paper 34, the servo motor 33 is controlled by the control panel 2 to drive the winding roller 32 to rotate to wind the hot stamping paper 34, and the hot stamping paper 34 directly below the hot stamping plate 51 is replaced to facilitate subsequent hot stamping processing.

[0044] A mounting frame 35 is fixed to the side of the mounting base 1, and a positioning roller 36 is rotatably installed in the mounting frame 35. The rotating mounting method includes but is not limited to a rotating connection through a bearing assembly or a rotating connection through a rotating shaft. The mounting position of the positioning roller 36 is higher than the mounting base 1, and the mounting position of the winding roller 32 is lower than the mounting base 1. The provided positioning roller 36 is used to position the hot stamping paper 34 in the winding assembly to prevent the hot stamping paper 34 from contacting with the working conveying assembly 8 and being damaged, and the positioning roller 36 lifts the hot stamping paper 34 to a certain height, so that the jet box 61 can use jets to clean foreign matter on the surface of the paper bag and the surface of the hot stamping paper 34.

[0045] A mounting plate 7 is fixed on the side of the mobile frame 5, and a mobile frame 71 is arranged above the mounting plate 7, and the mobile frame 71 is an inverted L-shaped structure. A limiting roller 72 is installed on the side of the mobile frame 71. The installation position of the limiting roller 72 is lower than the hot stamping plate 51 but higher than the mounting base 1, and the limiting roller 72 is located between the mounting base 1 and the positioning roller 36. A limiting rod 73 is fixed on the side of the mounting plate 7, and a limiting plate 74 is fixed on the top of the limiting rod 73. The mobile frame 71 is slidably connected with the limiting rod 73. A limiting spring 75 is sleeved on the outer side of the limiting rod 73, and the limiting spring 75 is located between the limiting plate 74 and the mobile frame 71. During the hot stamping process, The movable frame 5 moves downward, and the hot stamping plate 51 gradually approaches the hot stamping paper 34. The limiting rollers 72 arranged on the side of the movable frame 5 position the hot stamping paper 34. This method makes the hot stamping paper 34 close to the hot stamping plate 51 but not in contact with the hot stamping plate 51, so that the hot stamping plate 51 preheats the hot stamping paper 34 under the action of heat radiation, avoids direct contact between the hot stamping plate 51 and the hot stamping paper 34 during the hot stamping process, and causes the hot stamping paper 34 to shrink due to rapid heat, thereby ensuring the flatness of the hot stamping paper 34 and facilitating the hot stamping of the paper bag. The limiting rollers 72 arranged on both sides of the movable frame 5 further flatten and tension the hot stamping paper 34, thereby improving the hot stamping quality of the paper bag.

[0046] As the movable frame 5 moves downward, the limiting roller 72 pushes the hot stamping paper 34 to fit the outside of the paper bag. When the limiting roller 72 contacts the mounting base 1, the movable frame 71 squeezes the limiting spring 75 on the outside of the limiting rod 73 and moves upward to ensure that the movable frame 5 moves downward effectively. After the hot stamping plate 51 contacts the hot stamping paper 34, the hot stamping paper 34 is heated, and the coating in the hot stamping paper 34 is pressed onto the surface of the paper bag according to the content of the hot stamping plate 51 to achieve the hot stamping treatment of the paper bag. After the hot stamping is completed, the movable frame 5 moves upward to remove the hot stamping plate 51 from the surface of the hot stamping paper 34. Due to the positioning effect of the limiting roller 72, the hot stamping paper 34 can still contact with the paper bag for a certain period of time. By increasing the contact time between the hot stamping paper 34 and the paper bag, the hot stamping effect of the paper bag is improved.

[0047] The control panel 2, servo motor 33, electric lifting system 4, electric heating component 52, detection module 64, vacuum pump 65 and conveying component 8 used in the present invention are all commonly used electronic components in the prior art, and the working mode of the servo motor 33, electric lifting system 4, electric heating component 52, detection module 64, vacuum pump 65, conveying component 8 and other electronic components controlled by the control panel 2 is a commonly used technical solution for technicians, and their working methods and circuit structures are well-known technologies and will not be elaborated here.

[0048] When using:

[0049] A hot stamping plate 51 of a suitable type is selected according to the pattern, text, trademark and other contents to be hot stamped, and the hot stamping plate 51 is installed on the mobile frame 5. Then, the conveying component 8 is controlled to work through the control panel 2, and the conveying component 8 conveys the paper bag to be hot stamped. When the paper bag is conveyed to the bottom of the detection module 64 by the conveying component 8, the visual monitoring module in the detection module 64 feeds back the monitoring information to the control panel 2, and the control panel 2 controls the conveying component 8 to stop working. At the same time, the control panel 2 controls the electric heating component 52 to work to heat the hot stamping plate 51.

[0050] The control panel 2 controls the electric lifting system 4 to drive the moving frame 5 to move downward. During this process, the jet box 61 first contacts one side of the paper bag, and as the moving frame 5 moves downward, the jet box 61 presses and fixes the paper bag to prevent the movement of the paper bag during the subsequent hot stamping process from affecting the hot stamping quality. After the bottom side of the jet box 61 contacts the paper bag, the pressure detection sensor in the detection module 64 feeds back a signal to the control panel 2, and the control panel 2 controls the vacuum pump 65 to work, and the vacuum pump 65 extracts gas from the outside, and the gas enters through the air inlet pipe 66. The air in the jet box 61 is ejected through the jet holes on the side of the jet box 61, and the ejected airflow cleans the foreign matter on the surface of the paper bag. At the same time, the airflow cleans the foreign matter on the surface of the hot stamping paper 34, so as to avoid the foreign matter such as paper scraps and hair adhering to the surface of the paper bag or the hot stamping paper 34, which may affect the hot stamping quality. When the vacuum pump 65 extracts air from the outside, the filter box 67 installed at the air inlet of the vacuum pump 65 filters the foreign matter in the extracted airflow, so as to ensure the cleanliness of the airflow ejected from the jet box 61, and facilitate the cleaning of foreign matter on the surface of the paper bag and the surface of the hot stamping paper 34.

[0051] As the moving frame 5 gradually moves downward, the jet box 61 squeezes the constraint spring 63 and gradually moves into the positioning frame 6. In this process, the guide rod 62 plays a positioning and guiding role. As the jet box 61 gradually moves into the positioning frame 6, the area of ​​the jet hole on the side of the jet box 61 gradually decreases. Under the condition that the air volume remains unchanged, the reduction in the area of ​​the jet hole increases the strength of the ejected airflow, thereby improving the cleaning effect of foreign matter on the surface of the paper bag and the surface of the hot stamping paper 34. During the upward movement of the moving frame 5 after the hot stamping is completed, the constraint spring 63 sleeved on the side of the guide rod 62 pushes the jet box 61 to gradually move out of the positioning frame 6. When the jet hole on the side of the jet box 61 moves out of the positioning frame 6, the airflow is ejected from the jet hole on the side of the jet box 61 again. At this time, the ejected airflow is used for cooling the paper bag after hot stamping, and is also used for cooling the hot stamping plate 51 after hot stamping, so as to avoid the hot stamping plate 51 being heated for a long time by the electric heating component 52 and causing temperature out of control, so as to facilitate the hot stamping plate 51 to be at a suitable temperature for hot stamping the paper bag.

[0052] After the jet box 61 contacts one side of the paper bag to position it, as the moving frame 5 continues to move downward, the flattening roller 55 installed at the end of the rotating plate 54 contacts the paper bag. Then, as the moving frame 5 moves downward, the rotating plate 54 squeezes the positioning spring 58 and rotates on the side of the fixed plate 53, so that the flattening roller 55 pushes the other side of the paper bag to facilitate the flattening of the paper bag. During and after the flattening of the paper bag, the flattening roller 55 rotates on the side of the rotating plate 54 to reduce the friction between the flattening roller 55 and the paper bag, thereby ensuring the quality of the paper bag. During the flattening process of the paper bag, the jet box 61 sprays airflow, and the airflow The flat outer side of the paper bag flows, which is convenient for cleaning foreign matter on the surface of the paper bag; when the moving frame 5 moves up after the hot stamping is completed, the positioning spring 58 pushes the rotating plate 54 to rotate and reset, so that the flattening component can flatten the paper bag when hot stamping again. The positioning column 56 installed on the side of the fixed plate 53 limits the maximum angle at which the rotating plate 54 can rotate downward, ensuring that the jet box 61 contacts the paper bag first and the flattening roller 55 contacts the paper bag next time it is used, which is convenient for flattening the paper bag and avoids the flattening roller 55 contacting the paper bag first and then pushing the paper bag to move, affecting the hot stamping of the paper bag;

[0053] During the hot stamping process, as the movable frame 5 moves downward, the hot stamping plate 51 gradually approaches the hot stamping paper 34, and the limiting rollers 72 arranged on the side of the movable frame 5 position the hot stamping paper 34. This method makes the hot stamping paper 34 approach the hot stamping plate 51 but not contact the hot stamping plate 51, so that the hot stamping plate 51 preheats the hot stamping paper 34 under the action of heat radiation, avoiding the hot stamping plate 51 and the hot stamping paper 34 directly contacting during the hot stamping process, so that the hot stamping paper 34 is quickly heated and shrinks, ensuring the flatness of the hot stamping paper 34, and facilitating the hot stamping of the paper bag. The limiting rollers 72 arranged on both sides of the movable frame 5 further flatten and tension the hot stamping paper 34, thereby improving the hot stamping quality of the paper bag.

[0054] As the movable frame 5 moves downward, the limiting roller 72 pushes the hot stamping paper 34 to fit the outside of the paper bag. When the limiting roller 72 contacts the mounting base 1, the movable frame 71 squeezes the limiting spring 75 on the outside of the limiting rod 73 and moves upward to ensure that the movable frame 5 moves downward effectively. After the hot stamping plate 51 contacts the hot stamping paper 34, the hot stamping paper 34 is heated, and the coating in the hot stamping paper 34 is pressed onto the surface of the paper bag according to the content of the hot stamping plate 51, so as to achieve the hot stamping treatment of the paper bag. After the hot stamping is completed, the movable frame 5 moves upward to remove the hot stamping plate 51 from the surface of the hot stamping paper 34. The hot stamping paper 34 can still contact the paper bag for a certain period of time due to the positioning effect of the limiting roller 72. By increasing the contact time between the hot stamping paper 34 and the paper bag, the hot stamping effect of the paper bag is improved.

[0055] After the movable frame 5 moves up to separate the limiting roller 72 from the hot stamping paper 34, the control panel 2 controls the servo motor 33 to drive the winding roller 32 to rotate and wind the hot stamping paper 34, and the hot stamping paper 34 directly below the hot stamping plate 51 is replaced to facilitate subsequent hot stamping processing; after the jet box 61 is removed from the surface of the paper bag, the detection module 64 feeds back a signal to the control panel 2, and the control panel 2 controls the conveying component 8 to work, remove the hot stamped paper bag from under the hot stamping plate 51, and convey the new paper bag that needs hot stamping to under the hot stamping plate 51, so that the hot stamping processing device can work continuously to perform hot stamping on the paper bag.

[0056] The undisclosed parts in the present invention are all prior art, and their specific structures, materials and working principles are not described in detail. Although the embodiments of the present invention have been shown and described, it is understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the attached claims and their equivalents.

Claims

1. A hot stamping device for paper bag processing, comprising a mounting base (1) and a control panel (2) arranged on the side of the mounting base (1), characterized in that: A movable frame (5) is arranged above the mounting base (1); an electric lifting system (4) for controlling the upward and downward movement of the movable frame (5) is arranged on the side of the mounting base (1); a hot stamping plate (51) is arranged at the bottom of the movable frame (5); an electric heating component (52) for heating the hot stamping plate (51) is arranged on the movable frame (5); an air jet component and a flattening component for flattening a paper bag are arranged on the side of the movable frame (5); a winding component is arranged on the side of the mounting base (1), and hot stamping paper (34) is flatly laid and wound on the winding component; The jet assembly comprises a positioning frame (6) mounted on the side of the movable frame (5), a jet box (61) is slidably arranged in the positioning frame (6), a plurality of jet holes are opened on the side of the jet box (61) close to the hot stamping plate (51), and the leveling assembly comprises fixed plates (53) mounted on both sides of the movable frame (5), a rotating plate (54) is arranged on the side of the fixed plate (53), one end of the rotating plate (54) is rotatably mounted on the side of the fixed plate (53), and a leveling roller (55) is rotatably mounted on the other end of the rotating plate (54); A limiting component for limiting the position of the jet box (61) is arranged on the side of the positioning frame (6), and an air supply system for supplying air to the jet box (61) is installed on the side of the mounting base (1); The limiting assembly comprises a guide rod (62) slidably mounted on the upper side of the positioning frame (6), the bottom end of the guide rod (62) is fixedly connected to the top of the jet box (61), a restraining plate located above the positioning frame (6) is fixed to the top of the guide rod (62), a restraining spring (63) is provided on the outer sleeve of the guide rod (62), and the restraining spring (63) is located between the jet box (61) and the positioning frame (6); The jet box (61) first contacts one side of the paper bag, and as the movable frame (5) moves downward, the jet box (61) presses and fixes the paper bag.

2. The hot stamping device for paper bag processing according to claim 1, characterized in that: The air supply system comprises an air pump (65) mounted on the side of the mounting base (1); an air inlet pipe (66) communicating with the inner cavity of the jet box (61) is arranged at the air outlet of the air pump (65); a filter box (67) is arranged at the air inlet of the air pump (65), and the air inlet of the air pump (65) is communicated with the inner cavity of the filter box (67).

3. The hot stamping device for paper bag processing according to claim 1, characterized in that: A detection module (64) is installed at the bottom of the jet box (61), and the detection module (64) comprises a pressure detection sensor and a visual monitoring module.

4. The hot stamping device for paper bag processing according to claim 1, characterized in that: A positioning column (56) for limiting the maximum downward displacement angle of the rotating plate (54) is installed on the side of the fixed plate (53); a positioning plate (57) is fixed on the side of the fixed plate (53) at a position above the rotating plate (54); and a positioning spring (58) is provided between the positioning plate (57) and the rotating plate (54).

5. The hot stamping device for paper bag processing according to claim 1, characterized in that: Mounting base plates (3) are fixed on both sides of the mounting base (1); the winding assembly comprises a positioning seat (31) fixed on the upper side of the mounting base plate (3); a winding roller (32) is rotatably mounted in the positioning seat (31); a servo motor (33) for driving the winding roller (32) to rotate is mounted on the side of one of the positioning seats (31); and the hot stamping paper (34) is wound around the outside of the winding roller (32).

6. The hot stamping device for paper bag processing according to claim 5, characterized in that: A mounting frame (35) is fixed on the side of the mounting base (1), a positioning roller (36) is rotatably mounted inside the mounting frame (35), the mounting position of the positioning roller (36) is higher than the mounting base (1), and the mounting position of the winding roller (32) is lower than the mounting base (1).

7. The hot stamping device for paper bag processing according to claim 6, characterized in that: A mounting plate (7) is fixed on the side of the movable frame (5), a movable frame (71) is arranged above the mounting plate (7), and the movable frame (71) is in an inverted L-shaped structure. A limiting roller (72) is installed on the side of the movable frame (71), the installation position of the limiting roller (72) is lower than the hot stamping plate (51) but higher than the mounting base (1), and the limiting roller (72) is located between the mounting base (1) and the positioning roller (36). A limiting rod (73) is fixed on the side of the mounting plate (7), and a limiting plate (74) is fixed on the top of the limiting rod (73). The movable frame (71) is slidably connected to the limiting rod (73), and a limiting spring (75) is sleeved on the outer side of the limiting rod (73), and the limiting spring (75) is located between the limiting plate (74) and the movable frame (71).

8. The hot stamping device for paper bag processing according to claim 1, characterized in that: A conveying assembly (8) is arranged above the installation base (1), and the conveying assembly (8) is located directly below the hot stamping plate (51).

Images