Environment-friendly tinplate electroplating device

Abstract

The utility model discloses an environment-friendly tinplate electroplating device, which relates to the technical field of tinplate processing and comprises a drying box body, a support frame is mounted at the bottom of the drying box body, and a clamping mechanism is arranged in the drying box body. An upper heat flow cavity, a lower heat flow cavity, an upper flow channel, a lower flow channel, an infrared heating pipe and a hot air circulation mechanism are arranged in the drying box body. According to the environment-friendly tinplate electroplating device, by arranging the hot air circulating mechanism, when tinplate is conveyed to the discharging opening from the feeding opening of the drying box body through the clamping mechanism, hot air sequentially circulates in the lower heat flow cavity, the upper flow channel, the upper heat flow cavity and the lower flow channel, and auxiliary heating of an infrared heating pipe is matched; the tinplate conveying device has the advantages that the tinplate can be uniformly and sufficiently heated in the conveying process, hot air can be recycled, the utilization efficiency of the hot air is increased, the drying efficiency and effect of printing ink on the surface of the tinplate are improved, and the environment-friendly and energy-saving properties of the device are guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to advanced manufacturing and automation technical field, concretely is a kind of environment-friendly tinplate electroplating device. BACKGROUND

[0002] Tinplate, also known as tin-plated steel sheet, is a cold-rolled thin steel sheet with a thin layer of tin on its surface. It has certain strength and hardness, good formability, and is easy to weld. The tin layer can prevent corrosion and rust, so it is often used as a food and beverage can. When processing, various patterns need to be printed on the tinplate to achieve the purpose of packaging products, beauty and practicality. In order to achieve high-quality printing on the surface of the three-piece can of food and beverage, improve the adhesion rate and color fixing effect of the ink on the surface, the ink on the tinplate after printing needs to be dried.

[0003] When drying, the tin-plated steel sheet is usually fed into the drying box through a conveying mechanism for drying. However, after entering the drying box, if the tin-plated steel sheet tilts during movement and comes into contact with the surrounding drying box, it is easy to cause the printed ink on top to be smeared, affecting the printing effect. After drying, it cannot be used, causing waste of materials.

[0004] In order to overcome the above-mentioned defects, the prior art (Chinese patent with application number 202323039155.X and application date November 10, 2023) is a kind of tin-plated steel sheet printing automatic drying device, by setting up rack, clamping mechanism, drying box, drying machine, feeding box, tin-plated steel sheet is placed between two clamping plates, the second hydraulic cylinder is started to elongate to push the clamping plate to move, so that the clamping plate clamps the tin-plated steel sheet, when the tin-plated steel sheet moves to two drying grooves, open two drying machines to dry the printing of tin-plated steel sheet, and can be adjusted according to the width of the steel plate and clamped to avoid the influence of ink smearing on the printing effect.

[0005] The above-mentioned technology can complete the clamping and drying of tinplate, but the above-mentioned device directly dries the ink on the surface of tinplate with two drying machines. This drying method not only makes the heating of tinplate uneven, but also leads to low utilization efficiency of hot air, and is not environmentally friendly and energy-saving.

[0006] In view of the above problems, it is necessary to innovate on the basis of the original equipment, so we propose an environment-friendly tinplate electroplating device to solve the above problems. CONTENT OF THE UTILITY MODEL

[0007] The utility model aims at providing an environment-friendly tinplate electroplating device to solve the problem that the above-mentioned device directly dries the ink on the surface of tinplate with two drying machines, which not only makes the heating of tinplate uneven, but also leads to low utilization efficiency of hot air, and is not environmentally friendly and energy-saving.

[0008] In order to achieve the above object, the utility model provides the following technical scheme: An environment -friendly tin electroplating device, including the drying box body, the bottom of drying box body is supported through the support frame, the both sides of drying box body are provided with the feeding port and the discharge port respectively, and the clamping mechanism is provided between the both.

[0009] The top and bottom of the inside of the drying box body are separated from each other to form an upper heat flow cavity and a lower heat flow cavity, the upper heat flow cavity and the lower heat flow cavity are connected through a plurality of horizontally arranged upper flow channels and lower flow channels at the left and right ends, a hot air circulation mechanism is arranged at the bottom and inside of the drying box body, the hot air circulation mechanism comprises a first air suction pump and a second air suction pump fixedly installed at the bottom of the drying box body, an air inlet pipe is fixedly connected to the bottom input end of the first air suction pump, the top output end of the air inlet pipe penetrates into the inside of the lower heat flow cavity through a pipeline and is fixedly connected with a steam heat exchanger, the steam heat exchanger is fixedly installed at the bottom of the lower heat flow cavity, and one end output of the steam heat exchanger is fixedly connected with a shunt pipe, each branch pipe of the shunt pipe is clamped to the bottom of each upper flow channel respectively, the top input end of the second air suction pump penetrates into the inside of the lower heat flow cavity through a pipeline, and the bottom output end of the second air suction pump is connected with the air inlet pipe through a reflux pipe.

[0010] A plurality of infrared heating pipes are fixedly installed between the top and bottom of the inner walls of the both sides of the drying box body, and the infrared heating pipes are horizontally uniform.

[0011] Preferably, a plurality of flow resistance plates are formed on the inner walls of the upper flow channels and the lower flow channels, the flow resistance plates are vertically arranged in a staggered manner at the two ends, the flow resistance plates in the upper flow channels are inclined upward from the middle to the two ends, and the flow resistance plates in the lower flow channels are inclined in the opposite direction.

[0012] Preferably, the top pipeline of the second air suction pump is located at the left bottom of the lower heat flow cavity, i.e. close to the shunt pipe.

[0013] Preferably, the clamping mechanism comprises a motor fixedly installed on one side of the discharge port of the drying box body, a lead screw is fixedly connected to the output shaft of the motor, the lead screw penetrates into the inside of the drying box body, and the right side of the lead screw is rotatably connected to the right side wall of the drying box body, a stable rod is fixedly connected between the inner walls of the both sides of the drying box body below the lead screw, a slide is threadedly connected and limitingly slid on the outer sides of the lead screw and the stable rod, two telescopic pipes are fixedly connected at the two ends of each slide, a first spring is fixedly connected between the two pipe bodies of each telescopic pipe, and clamping blocks are fixedly connected between the two telescopic pipes at the same end.

[0014] Preferably, the end faces of the two clamping blocks close to each other are provided with a placing groove.

[0015] Preferably, the top end of the drying box body is provided with a gas exhaust port, the bottom end inner wall of the upper heat flow cavity is fixedly connected with a fixed rod, the top of the fixed rod penetrates to the top outer side of the drying box body, and the outer side of the fixed rod is slidably connected with a sealing baffle plate, the sealing baffle plate seals and covers the gas exhaust port, and the second spring is fixedly connected between the bottom end inner wall of the upper heat flow cavity and the sealing baffle plate and located at the outer side of the fixed rod.

[0016] Preferably, the outer end wall of the drying box body is fixedly installed with two controllers, which respectively control the on-off of the motor and the first air pump, the second air pump and the infrared heating pipe.

[0017] Compared with the prior art, the environmental protection type tinplate electroplating device has the advantages that: during the process that the tinplate is conveyed from the feeding port to the discharging port of the drying box body by using the clamping mechanism, the hot air is circulated in the lower heat flow cavity, the upper flow channel, the upper heat flow cavity and the lower flow channel in sequence, so that the tinplate is heated uniformly and sufficiently during the conveying process, the hot air can be recycled, the utilization efficiency is improved, the drying efficiency and effect of the printing ink on the surface of the tinplate are improved, and the environmental protection and energy saving of the device are ensured.

[0018] (1) by the cooperation of the lower heat flow cavity, the upper flow channel, the upper heat flow cavity, the lower flow channel and the hot air circulation mechanism, the first air pump is started first to suck the external air into the lower heat flow cavity through the air inlet pipe, the air is heated into hot air in the steam heat exchanger, the hot air is divided into the inside of each upper flow channel through the shunt pipe, and then moves upward to the inside of the upper heat flow cavity, continues to flow through the upper heat flow cavity and enters the lower flow channel, and finally is sucked into the air inlet pipe by the second air pump through the return pipe, that is, the recycling of the hot air is realized, the utilization efficiency is improved, the tinplate is heated uniformly and sufficiently, the drying efficiency and effect of the printing ink on the surface of the tinplate are improved, and the environmental protection and energy saving of the device are ensured.

[0019] (2) by installing a plurality of infrared heating pipes between the top and the bottom inside the drying box body, the passing tinplate is assisted to heat, the drying effect of the ink on the surface of the tinplate is further improved, the color strength and durability of the printing pigment of the heat-curable type are better, the printing effect is improved, the defective products are reduced, the printing process is optimized, the time of the entire printing process is effectively shortened, and the production efficiency is improved.

[0020] (3) by setting clamping mechanism, can first tin extruded into two clamping block, using telescopic tube in the first spring contraction can be fastened tin clamping between two clamping block, and can adapt to the clamping of different width tin, and then start motor drive screw rotation, the slide outside the screw moves, can drive tin through the drying box body inside drying operation;

[0021] (4) through the cooperation of the fixed rod, the sealing baffle and the second spring, when the hot air in the upper and lower hot flow cavities is too expanded to cause a relatively large pressure, the air pressure will push the sealing baffle to move upward along the fixed rod, the second spring is elongated, until the air outlet is exposed to make part of the hot air discharge from the upper hot flow cavity, the internal air pressure will be reduced to the normal level, and then the second spring resets to drive the sealing baffle to move downward to reseal the air outlet, so as to stabilize the pressure and improve the safety protection of the device during use. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 It is a front view structural schematic diagram of the whole utility model;

[0023] Figure 2 It is a side view structural schematic diagram of the whole utility model;

[0024] Figure 3 It is a side view cut structure schematic diagram of the drying box body;

[0025] Figure 4 It is a front view cut structure schematic diagram of the drying box body;

[0026] Figure 5 It is a cut structure schematic diagram of the drying box body;

[0027] Figure 6 It is a structural schematic diagram of the clamping mechanism.

[0028] In the drawing: 1, drying box body; 2, support frame; 3, upper hot flow cavity; 4, lower hot flow cavity; 5, first air pump; 6, air inlet pipe; 7, steam heat exchanger; 8, shunt pipe; 9, upper flow channel; 10, lower flow channel; 11, resistance plate; 12, second air pump; 13, return pipe; 14, motor; 15, screw; 16, slide; 17, telescopic tube; 18, first spring; 19, clamping block; 20, stable rod; 21, fixed rod; 22, sealing baffle; 23, second spring; 24, infrared heating tube; 25, controller. DETAILED DESCRIPTION

[0029] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be described clearly and completely. Obviously, the described embodiments are only some of the embodiments of the present application, but not all the embodiments. Based on the embodiments of the present application, all the other embodiments obtained by those skilled in the art without creative work are within the scope of the present application.

[0030] Embodiment one: please refer to Figures 1-6 The utility model provides the following technical scheme: an environment -friendly tin electroplating device, including drying box body 1, drying box body 1's bottom is supported through support frame 2, the both sides of drying box body 1 are provided with feeding port and discharge port respectively, and are provided with clamping mechanism between the two.

[0031] The top end and the bottom end inside drying box body 1 are respectively separated to have upper hot flow cavity 3, lower hot flow cavity 4, and are communicated through the upper flow channel 9, lower flow channel 10 of several horizontal arrangements of left and right ends between upper hot flow cavity 3, lower hot flow cavity 4, the bottom end of drying box body 1 and inside is provided with hot blast circulation mechanism, and hot blast circulation mechanism includes first air pump 5 and second air pump 12 fixedly installed at the bottom end of drying box body 1, the bottom input end of first air pump 5 is fixedly connected with air inlet pipe 6, its top output end is through pipeline and penetrates to the inside of lower hot flow cavity 4 and is fixedly connected with steam heat exchanger 7, steam heat exchanger 7 is fixedly installed at the bottom end of lower hot flow cavity 4, and its one end output portion is fixedly connected with shunt pipe 8, and every branch pipe of shunt pipe 8 is correspondingly clamped in the bottom of every upper flow channel 9 respectively, and the top input end of second air pump 12 is through pipeline and penetrates to the inside of lower hot flow cavity 4, and its bottom output end is communicated with air inlet pipe 6 through reflux pipe 13.

[0032] Through the setting of the hot air circulation mechanism, in the process of conveying the tinplate from the feed inlet to the discharge outlet of the drying box body 1 through the clamping mechanism, first start the first air pump 5 to suck the external air into the lower heat flow cavity 4 through the air inlet pipe 6, the air enters the inside of the steam heat exchanger 7 through the pipeline for steam heating to become hot air, the hot air continues to be distributed into the inside of each upper flow channel 9 through the distribution pipe 8, and then moves upward to the inside of the upper heat flow cavity 3, and continues to flow through the upper heat flow cavity 3 into the lower flow channel 10, the hot air in the lower flow channel 10 re-descends to the inside of the lower heat flow cavity 4, and then is sucked into the air inlet pipe 6 by the first air pump 5 through the reflux pipe 13, wherein the top pipeline of the second air pump 12 is located at the bottom of the left end of the lower heat flow cavity 4, that is, close to the distribution pipe 8, so that the hot air returned from the right end lower flow channel 10 to the inside of the lower heat flow cavity 4 can flow through the entire space of the lower heat flow cavity 4 from right to left, and then be sucked by the second air pump 12, thereby ensuring the drying effect on the bottom surface of the tinplate. Through the sequential flow of hot air in the lower heat flow cavity 4, the upper flow channel 9, the upper heat flow cavity 3, and the lower flow channel 10, the tinplate can be uniformly and fully heated during the movement from the feed inlet side to the discharge outlet side of the drying box body 1, and the hot air can be recycled, thereby increasing the utilization efficiency and improving the drying efficiency and effect of the printed ink on the surface of the tinplate, and ensuring the environmental protection and energy saving of the device.

[0033] The inner walls of the upper flow channel 9 and the lower flow channel 10 are shaped with a plurality of flow resistance plates 11, the flow resistance plates 11 are vertically arranged in a staggered manner at both ends, and the flow resistance plates 11 in the upper flow channel 9 are inclined upward from the middle to both ends, and the lower flow channel 10 is opposite. Through the setting of the flow resistance plates 11 and their inclined direction, the flow distance of the hot air in the upper flow channel 9 and the lower flow channel 10 can be effectively prolonged, and the flow time is prolonged, so that the tinplate is fully heated and dried.

[0034] A plurality of infrared heating pipes 24 are fixedly installed between the top and bottom of the inner walls of the two sides of the drying box body 1, and the infrared heating pipes 24 are evenly arranged horizontally to assist in heating the passing tinplate, thereby further improving the drying effect of the printed ink on the surface of the tinplate, making the color strength and durability of the heat-curable printing pigment better, reducing color difference and color spots, improving the printing effect, reducing the defective products of the finished tinplate, and optimizing the printing process, effectively shortening the time of the entire printing process, and improving the production efficiency.

[0035] Example two:

[0036] On the basis of the first embodiment, the clamping mechanism includes a motor 14 fixedly installed on one side of the discharge port of the drying box body 1, the output shaft of the motor 14 is fixedly connected with a lead screw 15, the lead screw 15 penetrates to the inside of the drying box body 1, and the right side thereof is rotatably connected to the right side wall of the drying box body 1. A stable rod 20 is fixedly connected between the two side inner walls of the drying box body 1 below the lead screw 15. The outer sides of the lead screw 15 and the stable rod 20 are respectively correspondingly threadedly connected and limitingly slidably connected with sliding seats 16. The two ends of each of the two sliding seats 16 are fixedly connected with telescopic pipes 17. The two pipe bodies of each of the telescopic pipes 17 are fixedly connected with first springs 18. Two telescopic pipes 17 located at the same end are fixedly connected with clamping blocks 19. By arranging the clamping mechanism, the tinplate can be first squeezed into the two clamping blocks 19. The tinplate can be tightly clamped between the two clamping blocks 19 by the contraction of the first spring 18 in the telescopic pipe 17. The end faces of the two clamping blocks 19 close to each other are provided with placing grooves, so as to further stably place and clamp the tinplate. The clamping mechanism can adapt to the clamping of tinplates with different widths. Then, the motor 14 is started to drive the lead screw 15 to rotate. The sliding seat 16 threadedly connected to the outer side of the lead screw 15 moves synchronously, so as to drive the tinplate between the telescopic pipe 17 and the clamping block 19 to pass through the inside of the drying box body 1 to perform the drying operation. The limitingly slidable connection of the stable rod 20 and the sliding seat 16 can ensure the horizontal stability of the tinplate during the movement.

[0037] In addition, the top end of the drying box body 1 is provided with a gas discharge port. The bottom end inner wall of the upper hot flow cavity 3 is fixedly connected with a fixed rod 21. The top of the fixed rod 21 penetrates to the top outer side of the drying box body 1, and the outer side thereof is slidably connected with a sealing baffle 22. The sealing baffle 22 seals and covers the gas discharge port. The bottom end inner wall of the upper hot flow cavity 3 and the sealing baffle 22 are fixedly connected with a second spring 23 outside the fixed rod 21. When the hot air in the upper hot flow cavity 3 and the lower hot flow cavity 4 is too expanded to cause a relatively large pressure, the air pressure will drive the sealing baffle 22 to move upward along the fixed rod 21. The second spring 23 is elongated until the gas discharge port is exposed to make part of the hot air discharged from the upper hot flow cavity 3. In this way, the air pressure in the upper hot flow cavity 3 and the lower hot flow cavity 4 will be reduced to a normal level. Then, the second spring 23 is reset to drive the sealing baffle 22 to move downward to reseal the gas discharge port, so as to play a pressure stabilizing role and improve the safety protection performance of the device during use.

[0038] Furthermore, the outer end wall of the drying box body 1 is fixedly installed with two controllers 25. The two controllers 25 respectively control the on-off of the motor 14 and the first air pump 5, the second air pump 12 and the infrared heating pipe 24, so as to control the conveying speed of the tinplate and the drying degree, realize programmed temperature rising, accurately control the ink drying condition, effectively enhance the adhesion of the paint film on the surface of the tinplate, and further improve the standardization of the printing process.

[0039] In the description of the utility model, it is necessary to explain, unless another explicit provision and limitation, the term "link", "connection" should do broad sense understanding, for example, can be fixed connection, also can be detachable connection, or integrally connected;Can be mechanical connection, also can be electrical connection;Can be directly connected, also can be indirectly connected through the intermediate medium.

[0040] Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement to part of the technical features, and any modification, equivalent replacement, improvement, etc. within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. An environment-friendly tin electroplating device, comprising a drying box body (1), the bottom of the drying box body (1) is supported by a support frame (2), the two sides of the drying box body (1) are respectively provided with an inlet and an outlet, and a clamping mechanism is arranged between the inlet and the outlet; characterized in that the top end and the bottom end inside the drying box body (1) are respectively separated into an upper hot flow cavity (3) and a lower hot flow cavity (4), the upper hot flow cavity (3) and the lower hot flow cavity (4) are connected through a plurality of horizontally arranged upper flow channels (9) and lower flow channels (10) at the left and right ends, a hot air circulation mechanism is arranged at the bottom end and inside the drying box body (1), the hot air circulation mechanism comprises a first air suction pump (5) and a second air suction pump (12) fixedly installed at the bottom end of the drying box body (1), the bottom input end of the first air suction pump (5) is fixedly connected with an air inlet pipe (6), the top output end penetrates into the inside of the lower hot flow cavity (4) through a pipeline and is fixedly connected with a steam heat exchanger (7), the steam heat exchanger (7) is fixedly installed at the bottom end of the lower hot flow cavity (4), and one end output portion thereof is fixedly connected with a shunt pipe (8), each branch pipe of the shunt pipe (8) is correspondingly clamped at the bottom of each upper flow channel (9), the top input end of the second air suction pump (12) penetrates into the inside of the lower hot flow cavity (4) through a pipeline, and the bottom output end is connected with the air inlet pipe (6) through a reflux pipe (13); a plurality of infrared heating pipes (24) are fixedly installed between the top and the bottom of the inner walls of the two sides of the drying box body (1), and the infrared heating pipes (24) are evenly arranged horizontally.

2. The environment-friendly tinplate electroplating device according to claim 1, characterized in that: a plurality of flow resistance plates (11) are formed on the inner walls of the upper flow channels (9) and the lower flow channels (10), the flow resistance plates (11) are vertically arranged in a staggered manner at the two ends, and the flow resistance plates (11) in the upper flow channels (9) are inclined upward from the middle to the two ends, and the flow resistance plates (11) in the lower flow channels (10) are opposite.

3. The environment-friendly tinplate electroplating device according to claim 1, characterized in that: The top pipeline of the second air suction pump (12) is located at the left bottom end of the lower hot flow cavity (4), that is, close to the shunt pipe (8).

4. The environment-friendly tinplate electroplating device according to claim 1, characterized in that: The clamping mechanism comprises a motor (14) fixedly installed on one side of the outlet of the drying box body (1), the output shaft of the motor (14) is fixedly connected with a lead screw (15), the lead screw (15) penetrates into the inside of the drying box body (1), and the right side thereof is rotatably connected to the right side wall of the drying box body (1), a stable rod (20) is fixedly connected between the inner walls of the two sides of the drying box body (1) below the lead screw (15), the outer sides of the lead screw (15) and the stable rod (20) are respectively correspondingly screwed and limitedly slid with a sliding seat (16), the two ends of each of the two sliding seats (16) are fixedly connected with an elastic tube (17), a first spring (18) is fixedly connected between the two tube bodies of the elastic tube (17), and a clamping block (19) is fixedly connected between the two elastic tubes (17) at the same end.

5. The environment-friendly tinplate electroplating device according to claim 4, characterized in that: End faces of two clamping blocks (19) close to each other are provided with a placing groove.

6. The environment-friendly tinplate electroplating device according to claim 1, characterized in that: The top end of the drying box body (1) is provided with a gas discharge port, the bottom end inner wall of the upper hot flow cavity (3) is fixedly connected with a fixed rod (21), the top of the fixed rod (21) penetrates to the top outer side of the drying box body (1), and the outer side of the fixed rod (21) is slidably connected with a sealing baffle (22), the sealing baffle (22) seals and covers the gas discharge port, and the second spring (23) is fixedly connected between the bottom end inner wall of the upper hot flow cavity (3) and the sealing baffle (22) and located at the outer side of the fixed rod (21).

7. The environment-friendly tinplate electroplating device according to claim 4, characterized in that: The outer end wall of the drying box body (1) is fixedly installed with two controllers (25), which respectively control the on-off of the motor (14), the first air pump (5), the second air pump (12) and the infrared heating pipe (24).

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