Metal foil melting device for gold stamping of packaging box

Abstract

The utility model discloses a packaging box gilding metal foil melting device which comprises a supporting plate and a control panel installed on the side face of the supporting plate, a supporting frame is fixed to the upper side of the supporting plate, a telescopic assembly located above the supporting plate is installed on the side face of the supporting frame, an installation frame is installed at the telescopic end of the telescopic assembly, and the installation frame is fixed to the supporting plate. A gold stamping plate is arranged in the mounting frame, a positioning assembly used for positioning the gold stamping plate is arranged on the side face of the mounting frame, an electric heating assembly used for heating the gold stamping plate is arranged in the mounting frame, and a containing box located under the gold stamping plate is arranged on the upper side of the supporting plate. According to the metal foil melting device for packaging box gold stamping, the gold stamping plate used for melting the metal foil is convenient to replace, gold stamping treatment can be conducted on different types of packaging boxes, use is convenient, meanwhile, the packaging boxes can be effectively positioned, the situation that the packaging boxes are bent due to thermal expansion and cold contraction in the gold stamping process is prevented, and gold stamping treatment of the packaging boxes is convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of packaging box processing devices, in particular to a metal foil melting device for packaging box hot stamping. Background Art

[0002] The hot stamping process uses the principle of hot pressing transfer to transfer the aluminum layer in the electroplated aluminum to the surface of the substrate to form a special metal effect. During the preparation process of the packaging box, in order to improve the decorative effect of the packaging box or for anti-counterfeiting of the packaging box, the outside of the packaging box is usually hot stamped. When hot stamping is performed by common hot stamping devices, metal foil or pigment foil is usually stamped onto the cardboard of the packaging box with the help of the pressure and temperature of the hot stamping plate. However, there are various types of packaging boxes. When hot stamping different types of packaging boxes, different hot stamping plates need to be used. However, it is inconvenient to replace the hot stamping plates with common hot stamping devices, which is not conducive to hot stamping of different types of packaging boxes; and during the hot stamping process, the packaging box will bend due to the influence of thermal expansion and contraction, which is not conducive to hot stamping of the packaging box. Utility Model Content

[0003] The technical problem to be solved by the utility model is to overcome the existing defects and provide a metal foil melting device for hot stamping of packaging boxes, which is convenient for replacing the hot stamping plate used to melt the metal foil, can be used for hot stamping of different types of packaging boxes, and is convenient to use. At the same time, the device can also effectively position the packaging box to prevent the packaging box from bending due to thermal expansion and contraction during the hot stamping process, which is convenient for the hot stamping of the packaging box and can effectively solve the problems in the background technology.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a metal foil melting device for hot stamping of packaging boxes, comprising a support plate and a control panel installed on the side of the support plate, a support frame is fixed on the upper side of the support plate, and a telescopic component located above the support plate is installed on the side of the support frame, a mounting frame is installed at the telescopic end of the telescopic component, a hot stamping plate is arranged in the mounting frame, and a positioning component for positioning the hot stamping plate is arranged on the side of the mounting frame, an electric heating component for heating the hot stamping plate is arranged in the mounting frame, and a placement box directly below the hot stamping plate is arranged on the upper side of the support plate.

[0005] As a preferred technical solution of the utility model, a plurality of adsorption holes are opened on the top of the placement box, an air pump is installed on the side of the support plate, and an air suction pipe connected to the inner cavity of the placement box is arranged at the air inlet of the air suction pump. The air suction pump, the control switch corresponding to the air suction pump in the control panel, and the external power supply are connected in series to form a working circuit of the air suction pump.

[0006] As a preferred technical solution of the present utility model, an exhaust pipe is provided at the exhaust port of the air extraction pump, and a jet pipe communicating with its inner cavity is installed at one end of the exhaust pipe away from the air extraction pump, and a plurality of nozzles communicating with its inner cavity are installed on the side of the jet pipe.

[0007] As a preferred technical solution of the present utility model, the positioning assembly includes positioning plates arranged on both sides of the hot stamping plate, and the positioning plates are slidably installed in the installation frame. A guide rod is fixed on the side of the positioning plate, and the guide rod is slidably connected with the installation frame. An adjustment assembly for adjusting the position of the positioning plate is arranged on the side of the installation frame.

[0008] As a preferred technical solution of the present utility model, a threaded cylinder is fixed at the end of the positioning plate. The adjustment assembly includes a bidirectional lead screw, and the threaded cylinders at the ends of the two positioning plates are respectively installed at both ends of the bidirectional lead screw through threads. A mounting seat for positioning the bidirectional lead screw is fixed on the side of the installation frame.

[0009] As a preferred technical solution of the present utility model, the telescopic assembly includes an electric telescopic cylinder installed on the side of the support frame, and the installation frame is fixedly installed at the telescopic end of the electric telescopic cylinder. The electric telescopic cylinder, the control switch corresponding to the electric telescopic cylinder in the control panel, and the external power supply are connected in series to form the working circuit of the electric telescopic cylinder.

[0010] As a preferred technical solution of the present utility model, the electric heating assembly includes an electric heating plate installed on the inner side of the installation frame, and the heating end of the electric heating plate is in contact with the side of the hot stamping plate. The electric heating plate, the control switch corresponding to the electric heating plate in the control panel, and the external power supply are connected in series to form the working circuit of the electric heating plate.

[0011] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0012] 1. For the metal foil melting device for hot stamping of packaging boxes in the example of the present utility model, the air extraction pump is controlled to work through the control panel. The air extraction pump extracts the air in the placement box through the air extraction pipe, and at the same time, the placement box extracts air from the outside through the adsorption holes; the packaging box cardboard is placed on the top of the placement box, and under the adsorption action of the adsorption holes, the packaging box cardboard is fixed on the top of the placement box, avoiding movement under force or bending due to heat during the subsequent hot stamping process, and ensuring the hot stamping quality of the packaging box cardboard.

[0013] 2. For the metal foil melting device for hot stamping of packaging boxes in the example of the present utility model, the electric heating plate is controlled to work through the control panel, and the hot stamping plate is heated by the electric heating plate. Then, the electric telescopic cylinder is controlled to work through the control panel, and the electric telescopic cylinder drives the installation frame to move downward, so that the hot stamping plate in the installation frame contacts the metal foil and presses the pattern on the metal foil onto the packaging box, facilitating the hot stamping process of the packaging box cardboard.

[0014] 3. The metal foil melting device for hot stamping of the packaging box exemplified by the present utility model can place the cardboard of the hot-stamped packaging box at the air jet pipe. The gas extracted by the air extraction pump is transported to the air jet pipe through the exhaust pipe and ejected through the nozzles installed on the air jet pipe. The gas ejected from the nozzles is used for cooling the cardboard of the packaging box, facilitating the use of this device. At the same time, the hot stamping plate can be driven to move downward by the electric telescopic cylinder, making the hot stamping plate close to the placement box. During the process of the suction holes extracting air, the surrounding gas flow is accelerated, facilitating the cooling of the hot stamping plate.

[0015] 4. For the metal foil melting device for hot stamping of the packaging box exemplified by the present utility model, rotate the bidirectional lead screw. Under the action of the thread, the threaded barrel drives the positioning plate to move, so that the positioning plate moves away from the side of the hot stamping plate and loses the clamping and positioning of the hot stamping plate, facilitating the removal of the hot stamping plate from the installation frame for replacement and facilitating the hot stamping treatment of cardboard of different types of packaging boxes. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 is a schematic structural diagram of the present utility model;

[0017] Figure 2 is a front view structural diagram of the present utility model;

[0018] Figure 3 is a schematic structural diagram of the adjustment component in the present utility model.

[0019] In the figure: 1 support plate, 2 control panel, 3 support frame, 4 electric telescopic cylinder, 5 installation frame, 6 electric heating plate, 7 hot stamping plate, 8 positioning plate, 9 guide rod, 10 installation seat, 11 bidirectional lead screw, 12 threaded barrel, 13 placement box, 14 air extraction pump, 15 air extraction pipe, 16 exhaust pipe, 17 air jet pipe, 18 nozzle. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0020] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0021] Please refer to Figures 1-3 , the present utility model provides a technical solution: a metal foil melting device for hot stamping of a packaging box, including a support plate 1 and a control panel 2 installed on the side of the support plate 1. The control panel 2 is a PLC controller with a display screen and control switches. The display screen set in the control panel 2 is used to display the working information of each part of the electronic components in this device, and the control switches set in the control panel 2 facilitate controlling the working of each part of the electronic components in this device, facilitating the use of this device.

[0022] A support frame 3 is fixed on the upper side of the support plate 1, and a telescopic assembly located above the support plate 1 is installed on the side of the support frame 3. An installation frame 5 is installed at the telescopic end of the telescopic assembly. The telescopic assembly includes an electric telescopic cylinder 4 installed on the side of the support frame 3. The installation frame 5 is fixedly installed at the telescopic end of the electric telescopic cylinder 4. The electric telescopic cylinder 4, the control switch corresponding to the electric telescopic cylinder 4 in the control panel 2, and an external power supply are connected in series to form the working circuit of the electric telescopic cylinder 4. After the packaging box is fixed, a metal foil is covered on the upper side of the packaging box. Then, the electric telescopic cylinder 4 is controlled to work through the control panel 2. The electric telescopic cylinder 4 drives the installation frame 5 to move downward, so that the melting device presses the metal foil against the cardboard of the packaging box, facilitating the hot stamping treatment of the cardboard of the packaging box; the telescopic assembly includes but is not limited to components with lifting or telescopic functions such as the electric telescopic cylinder 4 and the hydraulic telescopic rod.

[0023] A hot stamping plate 7 is arranged in the installation frame 5, and a positioning assembly for positioning the hot stamping plate 7 is arranged on the side of the installation frame 5. The positioning assembly includes positioning plates 8 arranged on both sides of the hot stamping plate 7, and the positioning plates 8 are slidably installed in the installation frame 5. A guide rod 9 is fixed on the side of the positioning plate 8, and the guide rod 9 is slidably connected with the installation frame 5. The guide rod 9 plays a role in positioning and guiding during the movement of the positioning plate 8. An adjusting assembly for adjusting the position of the positioning plate 8 is arranged on the side of the installation frame 5. When replacing the hot stamping plate 7 for hot stamping treatment of cardboard of different types of packaging boxes, the positioning plate 8 is driven to move through the adjusting assembly, so that the positioning plate 8 moves away from the side of the hot stamping plate 7 and loses the clamping and positioning of the hot stamping plate 7, facilitating the removal of the hot stamping plate 7 from the installation frame 5 for replacement; it should be noted that the metal foil melting device referred to in the theme is the hot stamping plate 7.

[0024] A threaded cylinder 12 is fixed at the end of the positioning plate 8. The adjusting assembly includes a bidirectional lead screw 11. Threads are provided at both ends of the bidirectional lead screw 11, and the thread directions at both ends of the bidirectional lead screw 11 are opposite. The threaded cylinders 12 at the ends of the two positioning plates 8 are respectively installed at both ends of the bidirectional lead screw 11 through threads. An installation seat 10 for positioning the bidirectional lead screw 11 is fixed on the side of the installation frame 5. The end of the bidirectional lead screw 11 is rotatably connected with the installation seat 10 through a bearing assembly, and a handle for easy rotation is arranged at one end of the bidirectional lead screw 11. When replacing the hot stamping plate 7 for hot stamping treatment of cardboard of different types of packaging boxes, the bidirectional lead screw 11 is rotated. Under the action of the threads, the threaded cylinder 12 drives the positioning plate 8 to move, so that the positioning plate 8 moves away from the side of the hot stamping plate 7 and loses the clamping and positioning of the hot stamping plate 7, facilitating the removal of the hot stamping plate 7 from the installation frame 5 for replacement, and the bidirectional lead screw 11 can drive the positioning plates 8 on both sides of the hot stamping plate 7 to move synchronously, facilitating the clamping of the hot stamping plate 7 in the middle of the inner side of the installation frame 5, and facilitating the hot stamping treatment of the cardboard of the packaging box.

[0025] An electric heating component for heating the hot stamping plate 7 is arranged inside the installation frame 5. The electric heating component includes an electric heating plate 6 installed on the inner side of the installation frame 5, and the heating end of the electric heating plate 6 is in contact with the side surface of the hot stamping plate 7. The electric heating plate 6, the control switch corresponding to the electric heating plate 6 in the control panel 2, and the external power supply are connected in series to form the working circuit of the electric heating plate 6. The electric heating plate 6 is controlled to work through the control panel 2, and the hot stamping plate 7 is heated by the electric heating plate 6, facilitating the hot stamping of the packaging box cardboard through the hot stamping plate 7.

[0026] A placement box 13 located directly below the hot stamping plate 7 is arranged on the upper side of the support plate 1. A number of adsorption holes are opened at the top of the placement box 13. An air extraction pump 14 is installed on the side surface of the support plate 1. An air extraction pipe 15 communicating with the inner cavity of the placement box 13 is arranged at the air inlet of the air extraction pump 14. The air extraction pump 14, the control switch corresponding to the air extraction pump 14 in the control panel 2, and the external power supply are connected in series to form the working circuit of the air extraction pump 14. The air extraction pump 14 is controlled to work through the control panel 2. The air extraction pump 14 extracts the air in the placement box 13 through the air extraction pipe 15, and at the same time, the placement box 13 extracts air from the outside through the adsorption holes. The packaging box cardboard is placed on the top of the placement box 13. Under the adsorption action of the adsorption holes, the packaging box cardboard is fixed on the top of the placement box 13, avoiding movement under force or bending due to heat during the subsequent hot stamping process and ensuring the hot stamping quality of the packaging box cardboard.

[0027] An exhaust pipe 16 is arranged at the exhaust port of the air extraction pump 14, and a spray pipe 17 communicating with its inner cavity is installed at one end of the exhaust pipe 16 far away from the air extraction pump 14. A number of spray heads 18 communicating with its inner cavity are installed on the side surface of the spray pipe 17. After the hot stamping is completed, the installation frame 5 is driven by the electric telescopic cylinder 4 to move the hot stamping plate 7 upward. Then, the packaging box cardboard is removed from the placement box 13. The hot stamping packaging box cardboard can be placed at the spray pipe 17. The gas extracted by the air extraction pump 14 is transported to the spray pipe 17 through the exhaust pipe 16 and sprayed out through the spray heads 18 installed on the spray pipe 17. The gas sprayed out from the spray heads 18 is used for the cooling treatment of the packaging box cardboard, facilitating the use of this device. At the same time, the hot stamping plate 7 can be driven to move downward by the electric telescopic cylinder 4 to make the hot stamping plate 7 close to the placement box 13, accelerating the flow of the surrounding gas during the air extraction process of the adsorption holes and facilitating the cooling of the hot stamping plate 7.

[0028] The control panel 2, electric telescopic cylinder 4, electric heating plate 6, air extraction pump 14, etc. used in the present utility model are all common electronic components in the prior art, and the working methods of controlling the electric telescopic cylinder 4, electric heating plate 6, air extraction pump 14, etc. through the control panel 2 are common technical solutions for technicians. Their working methods and circuit structures are all well-known technologies and will not be elaborated here.

[0029] When in use:

[0030] The air extraction pump 14 is controlled by the control panel 2 to work. The air extraction pump 14 extracts the air in the placement box 13 through the air extraction pipe 15. At the same time, the placement box 13 extracts air from the outside through the adsorption holes. The packaging box cardboard is placed on the top of the placement box 13. Under the adsorption action of the adsorption holes, the packaging box cardboard is fixed on the top of the placement box 13, avoiding movement under force or bending due to heat during the subsequent hot stamping process, and ensuring the hot stamping quality of the packaging box cardboard.

[0031] After the packaging box is fixed, the metal foil needs to be covered on the upper side of the packaging box. The electric heating plate 6 is controlled by the control panel 2 to work. The electric heating plate 6 heats the hot stamping plate 7. Then, the electric telescopic cylinder 4 is controlled by the control panel 2 to work. The electric telescopic cylinder 4 drives the mounting frame 5 to move downward, so that the hot stamping plate 7 in the mounting frame 5 contacts the metal foil and presses the pattern on the metal foil onto the packaging box, facilitating the hot stamping treatment of the packaging box cardboard.

[0032] After hot stamping is completed, the electric telescopic cylinder 4 drives the mounting frame 5 to move the hot stamping plate 7 upward. Then, the packaging box cardboard is taken off from the placement box 13. The hot stamping-treated packaging box cardboard can be placed at the air spraying pipe 17. The gas extracted by the air extraction pump 14 is transported to the air spraying pipe 17 through the exhaust pipe 16 and sprayed out through the nozzles 18 installed on the air spraying pipe 17. The gas sprayed out from the nozzles 18 is used for the cooling treatment of the packaging box cardboard, facilitating the use of this device. At the same time, the electric telescopic cylinder 4 can drive the hot stamping plate 7 to move downward, making the hot stamping plate 7 close to the placement box 13, accelerating the flow of the surrounding gas during the air extraction process of the adsorption holes, and facilitating the cooling of the hot stamping plate 7.

[0033] When replacing the hot stamping plate 7 for hot stamping different types of packaging box cardboard, rotate the bidirectional lead screw 11. Under the action of the thread, the threaded cylinder 12 drives the positioning plate 8 to move, so that the positioning plate 8 moves away from the side of the hot stamping plate 7 and loses the clamping and positioning of the hot stamping plate 7, facilitating the removal of the hot stamping plate 7 from the mounting frame 5 for replacement. The guide rod 9 plays a positioning and guiding role during the movement of the positioning plate 8, and the bidirectional lead screw 11 can drive the positioning plates 8 on both sides of the hot stamping plate 7 to move synchronously, facilitating the clamping of the hot stamping plate 7 in the middle of the inner side of the mounting frame 5, and facilitating the hot stamping treatment of the packaging box cardboard.

[0034] The parts not disclosed in this utility model are all prior arts, and their specific structures, materials and working principles will not be elaborated in detail. Although the embodiments of this utility model have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of this utility model. The scope of this utility model is defined by the appended claims and their equivalents.

Claims

1. A metal foil melting device for hot stamping of packaging boxes, comprising a support plate (1) and a control panel (2) mounted on the side of the support plate (1), characterized in that: A support frame (3) is fixed on the upper side of the support plate (1), and a telescopic component located above the support plate (1) is installed on the side of the support frame (3); a mounting frame (5) is installed at the telescopic end of the telescopic component; a hot stamping plate (7) is arranged in the mounting frame (5), and a positioning component for positioning the hot stamping plate (7) is arranged on the side of the mounting frame (5); an electric heating component for heating the hot stamping plate (7) is arranged in the mounting frame (5); and a placement box (13) located directly below the hot stamping plate (7) is arranged on the upper side of the support plate (1).

2. The metal foil melting device for hot stamping of packaging boxes according to claim 1, characterized in that: A plurality of adsorption holes are provided on the top of the placement box (13); an air pump (14) is installed on the side of the support plate (1); an air inlet of the air pump (14) is provided with an air extraction pipe (15) which is connected to the inner cavity of the placement box (13); the air pump (14), a control switch corresponding to the air pump (14) in the control panel (2), and an external power supply are connected in series to form a working circuit of the air pump (14).

3. The metal foil melting device for hot stamping of packaging boxes according to claim 2, characterized in that: An exhaust pipe (16) is provided at the exhaust port of the air pump (14), and an air jet pipe (17) in communication with the inner cavity of the exhaust pipe (16) is installed at one end of the exhaust pipe (16) away from the air pump (14), and a plurality of nozzles (18) in communication with the inner cavity of the exhaust pipe (16) are installed on the side of the air jet pipe (17).

4. The metal foil melting device for hot stamping of packaging boxes according to claim 1, characterized in that: The positioning assembly comprises positioning plates (8) arranged on both sides of the hot stamping plate (7), and the positioning plates (8) are slidably mounted in the mounting frame (5), a guide rod (9) is fixed to the side of the positioning plate (8), and the guide rod (9) is slidably connected to the mounting frame (5), and an adjustment assembly for adjusting the position of the positioning plate (8) is arranged on the side of the mounting frame (5).

5. The metal foil melting device for hot stamping of packaging boxes according to claim 4, characterized in that: A threaded barrel (12) is fixed to the end of the positioning plate (8), the adjustment assembly comprises a bidirectional lead screw (11), the threaded barrels (12) at the ends of the two positioning plates (8) are respectively mounted on the two ends of the bidirectional lead screw (11) through threads, and a mounting seat (10) for positioning the bidirectional lead screw (11) is fixed to the side of the mounting frame (5).

6. The metal foil melting device for hot stamping of packaging boxes according to claim 1, characterized in that: The telescopic assembly comprises an electric telescopic cylinder (4) mounted on a side of a support frame (3); the mounting frame (5) is fixedly mounted on a telescopic end of the electric telescopic cylinder (4); the electric telescopic cylinder (4), a control switch corresponding to the electric telescopic cylinder (4) in a control panel (2), and an external power supply are connected in series to form a working circuit of the electric telescopic cylinder (4).

7. The metal foil melting device for hot stamping of packaging boxes according to claim 1, characterized in that: The electric heating assembly comprises an electric heating plate (6) mounted on the inner side of the mounting frame (5), and a heating end of the electric heating plate (6) contacts the side of the hot stamping plate (7). The electric heating plate (6), a control switch corresponding to the electric heating plate (6) in the control panel (2), and an external power supply are connected in series to form a working circuit of the electric heating plate (6).

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