Thermal cycle drying label printing equipment

By introducing filtration and adsorption devices into the hot-cycle label printing equipment, the problem of air quality degradation caused by direct exhaust emissions has been solved, achieving effective filtration and adsorption of exhaust gases, and improving air quality and environmental protection.

CN223657844UActive Publication Date: 2025-12-12CANGZHOU ZHONGTIAN PACKAGING & PRINTING CO LTD
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Patent Information

Application Number
CN202520407758.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-10
Publication Date
2025-12-12
Estimated Expiration
2035-03-10

AI Technical Summary

Technical Problem

Existing hot-cycle drying label printing equipment directly emits waste gas during the drying process, leading to a decline in air quality and impacting human health and the ecological environment.

Method used

The system employs a filtration device, including an air inlet pipe, an air outlet device, a rotating adsorption mechanism, and a lifting absorption mechanism. It filters and adsorbs waste gas through a filter screen, activated carbon adsorption rods, and a sponge absorption device.

Benefits of technology

It effectively reduces direct emissions of exhaust gas, improves air quality in the work area, and protects human health and the ecological environment.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of label printing, and one embodiment of the utility model provides thermal cycle drying label printing equipment which comprises a base, a printing box and a conveying mechanism, the top of the base is fixedly connected to the printing box, the top of the printing box communicates with a circulating pipe, and the conveying mechanism is arranged on the inner bottom wall of the base; the top of the printing box communicates with the air inlet pipe, the air inlet pipe is used for enabling fresh air to flow into the circulating pipe through the air inlet pipe, the air outlet mechanism is arranged at the end, away from the air inlet pipe, of the top of the printing box, and the filtering mechanism is arranged on the air outlet mechanism; by means of the technical scheme, the technical problem that in the prior art, due to the fact that waste gas is generated after thermal circulation drying is in contact with printing ink and ink, and the air quality is reduced due to direct exhaust is solved.
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Description

TECHNICAL FIELD

[0001] Embodiments of the present disclosure relate to the technical field of label printing, and in particular, to a heat cycle drying label printing device. BACKGROUND

[0002] The heat cycle drying label printing device is a device for drying ink after label printing. The heat cycle drying label printing device heats air through a heating device, then uses a fan to deliver the hot air into an oven to dry the label. The dried air is discharged from the oven by an exhaust fan, and new air is sucked into the oven for cyclic heating to maintain the temperature and humidity in the oven stable.

[0003] The ink used in the heat cycle drying label printing process usually contains organic solvents such as toluene, xylene, ethyl acetate, etc. These organic solvents will volatilize to form waste gas during the heat cycle drying process. The dried air is discharged from the oven by an exhaust fan, which is usually directly connected to the outside, resulting in the waste gas being directly discharged to the outside. Direct discharge of these substances will cause air quality to decline, form photochemical smog, and harm human health and the ecological environment. CONTENT OF THE INVENTION

[0004] To overcome the above-mentioned defects, embodiments of the present disclosure provide a heat cycle drying label printing device, which solves the technical problem that waste gas is generated after the heat cycle drying and contact with ink and water-based ink, and directly discharged to cause air quality to decline in the prior art.

[0005] According to one aspect, at least one embodiment of the present disclosure provides a heat cycle drying label printing device, comprising a base, a printing box and a conveying mechanism, the top of the base is fixedly connected to the printing box, and the top of the printing box is communicated with a circulation pipe, and the conveying mechanism is arranged on the inner bottom wall of the base, further comprising:

[0006] An air inlet pipe is communicated with the top of the printing box, and the air inlet pipe is used to introduce air into the circulation pipe;

[0007] An air outlet mechanism is arranged on the end of the top of the printing box away from the air inlet pipe, and the air outlet mechanism is used to discharge the gas after the label is dried in the circulation pipe;

[0008] A filtering mechanism is arranged on the air outlet mechanism, and the filtering mechanism is used to filter the gas discharged from the air outlet mechanism;

[0009] A rotating adsorption mechanism is arranged on the air outlet mechanism, and the rotating adsorption mechanism is used to adsorb and filter the gas filtered by the filtering mechanism;

[0010] Lifting absorption mechanism, the air outlet mechanism is provided with the lifting absorption mechanism, the lifting absorption mechanism is used for absorbing the gas filtered by the rotating adsorption mechanism.

[0011] Preferably, the air outlet mechanism comprises:

[0012] Air outlet pipe, the top of the printing box is communicated with the air outlet pipe away from one end of the air inlet pipe;

[0013] Filter box, the filter box is communicated with the air outlet pipe away from one end of the printing box.

[0014] Preferably, the filter mechanism comprises:

[0015] Mounting hole, the top of the filter box is provided with the mounting hole;

[0016] Mounting groove, the top of the filter box is provided with a plurality of mounting grooves;

[0017] Mounting block, each mounting groove is detachably connected with the mounting block;

[0018] Connecting plate, a plurality of mounting blocks are fixedly connected with the connecting plate;

[0019] Filter screen, the bottom of the connecting plate is provided with the filter screen.

[0020] Preferably, the rotating adsorption mechanism comprises:

[0021] Motor one, the top of the filter box is provided with the motor one;

[0022] Shaft, the output end of the motor one is fixedly connected with the shaft;

[0023] Fixed frame, the inner top wall of the filter box is fixedly connected with the fixed frame;

[0024] Rotary slot, the bottom of the fixed frame is provided with two rotary slots;

[0025] Activated carbon adsorption rod, the end of the shaft away from the motor one is fixedly connected with the activated carbon adsorption rod;

[0026] Rotary rod, the rotary rod is rotatably connected in the two rotary slots, and the end of the rotary rod away from the rotary slot is fixedly connected with the activated carbon adsorption rod.

[0027] Preferably, the lifting absorption mechanism comprises:

[0028] Electric cylinder, the top of the filter box is provided with the electric cylinder;

[0029] Lifting rod, the output end of the electric cylinder is fixedly connected with the lifting rod;

[0030] Fixed plate, one end of the lifting rod away from the electric cylinder is fixedly connected with the fixed plate;

[0031] Vertical rod, the bottom of the fixed plate is fixedly connected with two vertical rods;

[0032] Sponge, one end of the two vertical rods away from the fixed plate is installed with the sponge;

[0033] Solvent tank, the inner bottom wall of the filter box is fixedly connected with the solvent tank.

[0034] Preferably, the conveying mechanism comprises:

[0035] Motor two, the inner side wall of one side of the base is installed with the motor two;

[0036] Rotary column, the output end of the motor two is fixedly connected with the rotary column, and one end of the base away from the motor two is also rotatably connected with the rotary column;

[0037] Transmission wheel, the outer wall of the two rotary columns is fixedly connected with the transmission wheel;

[0038] Conveying belt, the conveying belt is tensioned and sleeved on the two transmission wheels.

[0039] Further, the inner top wall and the inner bottom wall of the filter box are fixedly connected with a baffle, and the baffle is provided with a flow-through opening.

[0040] Further, the solvent tank is provided with a liquid.

[0041] Further, the top of the filter box is provided with a filter opening, and the filter opening is installed with a filter plate, and the filter plate is installed with a suction machine.

[0042] Further, the outer side wall of one end of the filter box is detachably connected with a cover plate.

[0043] The embodiments of the present disclosure have the following beneficial effects:

[0044] In the present disclosure, when printing the label, the label needs to be dried in time, generally using a drying printing device with heat circulation, at this time the conveying mechanism can be started to drive the label paper to be printed in the printing box, the fresh air flows into the circulation pipe through the air inlet pipe, and the printed label paper is dried, and the waste gas generated flows into the air outlet mechanism, at this time the rotating adsorption mechanism can be started, and the waste gas passing through the filtering mechanism is adsorbed and filtered by rotating the rotating adsorption mechanism, and then the waste gas passing through the rotating adsorption mechanism flows into the lifting absorption mechanism through the flow-through opening on the baffle, at this time the lifting absorption mechanism is started, and the waste gas is absorbed by the lifting absorption mechanism, and finally the waste gas is discharged to the outside through the suction machine. Compared with the prior art, by adding the waste gas filtering and adsorbing device, the pollution caused by directly discharging waste gas to the outside can be reduced, and the air quality around the working area is greatly improved. BRIEF DESCRIPTION OF DRAWINGS

[0045] In order to more clearly illustrate the technical solutions in the embodiments of the present disclosure, the drawings needed to be used in the description of the embodiments of the present disclosure will be briefly introduced. Obviously, the drawings in the following description are only some example embodiments of the present disclosure. Those skilled in the art can obtain other drawings according to the content of the example embodiments of the present disclosure and these drawings without creating any creative labor.

[0046] Figure 1 The overall structure schematic diagram of a heat circulation drying label printing device in an embodiment of the present disclosure is shown in the figure.

[0047] Figure 2 The structure schematic diagram of the base, motor two and printing box cooperation in the embodiment of the present disclosure is shown in the figure. Figure 1

[0048] Figure 3 The structure schematic diagram of the filtering box, mounting block and motor one cooperation in the embodiment of the present disclosure is shown in the figure. Figure 1

[0049] Figure 4 The structure schematic diagram of the electric cylinder, lifting rod and fixed plate cooperation in the embodiment of the present disclosure is shown in the figure. Figure 1

[0050] Figure 5 The overall structure schematic diagram of another view of a heat circulation drying label printing device in the embodiment of the present disclosure is shown in the figure. Figure 1

[0051] Figure 6 The cross-sectional structure schematic diagram of the filtering box in the embodiment of the present disclosure is shown in the figure. Figure 1

[0052] ​​​​​In the figure: 1, base; 2, printing box; 3, circulating pipe; 4, air inlet pipe; 5, baffle; 6, flow-through port; 7, suction machine; 8, cover plate; 101, air outlet pipe; 102, filter box; 201, mounting port; 202, mounting groove; 203, mounting block; 204, connecting plate; 205, filter screen; 301, motor one; 302, rotating shaft; 303, fixed frame; 304, rotating groove; 305, activated carbon adsorption rod; 306, rotating rod; 401, electric cylinder; 402, lifting rod; 403, fixed plate; 404, vertical rod; 405, sponge; 406, solvent box; 501, motor two; 502, rotating column; 503, transmission wheel; 504, conveyor belt. DETAILED DESCRIPTION

[0053] The present disclosure will be further described below in conjunction with the drawings and embodiments. It can be understood that the specific embodiments described herein are only used to explain the present disclosure, but not to limit the present disclosure.

[0054] In order to make the drawing simple, only the parts related to the disclosure are shown in each figure, which does not represent the actual structure of the product. In addition, in order to make the drawing simple and easy to understand, in some figures, only one of the parts with the same structure or function is shown, or only one of them is marked. In this paper, "one" not only means "only one", but also means "more than one", and "several" includes "two" and "more than two".

[0055] In this paper, it should be noted that, unless otherwise specified and limited, the terms "mounting", "connecting" and "connecting" should be understood broadly, for example, it can be fixed connection, or detachable connection, or integrally connected; it can be mechanical connection, or electrical connection; it can be directly connected, or indirectly connected through intermediate medium, or the communication between two elements. For those skilled in the art, the specific meaning of the above terms in the present disclosure can be understood according to the specific circumstances.

[0056] In the present disclosure, unless otherwise specified and limited, the first feature "on" or "under" the second feature can include that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact through another feature between them. Moreover, the first feature "on", "above" and "above" the second feature includes that the first feature is directly above and obliquely above the second feature, or only means that the horizontal height of the first feature is higher than that of the second feature. The first feature "below", "below" and "below" the second feature includes that the first feature is directly below and obliquely below the second feature, or only means that the horizontal height of the first feature is less than that of the second feature.

[0057] In the description of the present embodiment, the terms "upper", "lower", "left", "right", and the like, orientation or positional relationship are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of description and simplification of operation, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present disclosure.

[0058] In addition, in the description of the present application, the terms "first", "second", and the like are only used to distinguish the description, and cannot be understood as indicating or implying relative importance.

[0059] As Figures 1-6 shown, it shows a thermal cycle drying label printing device in an embodiment of the present disclosure, which comprises a base 1, a printing box 2 and a conveying mechanism, the top of the base 1 is fixedly connected to the printing box 2, and the top of the printing box 2 is communicated with a circulating pipe 3, the conveying mechanism is arranged on the inner bottom wall of the base 1, and the printing box 2 further comprises an air inlet pipe 4, an air outlet mechanism, a filtering mechanism, a rotating adsorption mechanism and a lifting absorption mechanism, the top of the printing box 2 is communicated with the air inlet pipe 4, the air inlet pipe 4 is used to flow fresh air into the circulating pipe 3 through the air inlet pipe 4, the end of the top of the printing box 2 away from the air inlet pipe 4 is provided with the air outlet mechanism, the air outlet mechanism is used to exhaust the gas after drying the label in the circulating pipe 3, the filtering mechanism is arranged on the air outlet mechanism, the filtering mechanism is used to filter the gas exhausted from the air outlet mechanism, the rotating adsorption mechanism is arranged on the air outlet mechanism, the rotating adsorption mechanism is used to adsorb and filter the gas filtered by the filtering mechanism, the lifting absorption mechanism is arranged on the air outlet mechanism, the lifting absorption mechanism is used to absorb the gas filtered by the rotating adsorption mechanism, and the outer side wall of one end of the filtering box 102 is detachably connected with a cover plate 8, so as to facilitate replacement of the moisture inside the solvent tank 406 and cleaning of the sponge 405.

[0060] In the present embodiment, the air outlet mechanism comprises an air outlet pipe 101 and a filtering box 102, the top of the printing box 2 is communicated with the air outlet pipe 101 away from the air inlet pipe 4, the end of the air outlet pipe 101 away from the printing box 2 is communicated with the filtering box 102, the inner top wall and the inner bottom wall of the filtering box 102 are fixedly connected with a baffle 5, and the baffle 5 is provided with a flow-through opening 6, the purpose is that the exhaust gas only flows to the sponge 405 through the flow-through opening 6.

[0061] In this embodiment, the filtering mechanism includes a mounting port 201, a mounting groove 202, a mounting block 203, a connecting plate 204 and a filter screen 205, the top of the filter box 102 is provided with the mounting port 201, the top of the filter box 102 is provided with a plurality of mounting grooves 202, each mounting groove 202 is detachably connected with the mounting block 203, the connecting plate 204 is fixedly connected between the mounting blocks 203, the bottom of the connecting plate 204 is provided with the filter screen 205, the filter screen 205 and the connecting plate 204 can be detachably connected, for example, through bolts, the top of the filter box 102 is provided with a filter port, and the filter port is fixedly connected with a filter plate, and the filter plate is provided with a suction machine 7 for discharging the filtered exhaust gas in the filter box 102.

[0062] In this embodiment, the rotating adsorption mechanism includes a motor 301, a rotating shaft 302, a fixed frame 303, a rotating groove 304, an activated carbon adsorption rod 305 and a rotating rod 306, the top of the filter box 102 is provided with the motor 301, the output end of the motor 301 is fixedly connected with the rotating shaft 302, the inner top wall of the filter box 102 is fixedly connected with the fixed frame 303, the bottom of the fixed frame 303 is provided with two rotating grooves 304, one end of the rotating shaft 302 away from the motor 301 is fixedly connected with the activated carbon adsorption rod 305, and the rotating rod 306 is rotatably connected in the two rotating grooves 304, and one end of the rotating rod 306 away from the rotating groove 304 is fixedly connected with the activated carbon adsorption rod 305, and the three activated carbon adsorption rods 305 are tightly connected, so that when the motor 301 drives the rotating shaft 302 to rotate, the three activated carbon adsorption rods 305 will be driven to rotate.

[0063] In this embodiment, the lifting absorption mechanism includes an electric cylinder 401, a lifting rod 402, a fixed plate 403, a vertical rod 404, a sponge 405 and a solvent tank 406, the top of the filter box 102 is provided with the electric cylinder 401, the output end of the electric cylinder 401 is fixedly connected with the lifting rod 402, one end of the lifting rod 402 away from the electric cylinder 401 is fixedly connected with the fixed plate 403, the bottom of the fixed plate 403 is fixedly connected with two vertical rods 404, one end of the two vertical rods 404 away from the fixed plate 403 is provided with the sponge 405, the sponge 405 can be replaced, the inner bottom wall of the filter box 102 is fixedly connected with the solvent tank 406, and the solvent tank 406 is provided with a liquid, since the printing is a production line of water-based ink, varnish and adhesive, the solvent tank 406 is provided with a liquid for water absorption method, the water absorption method can be used for treating waste gas which is difficult to recover, after the waste gas is absorbed by water, the waste gas is concentrated, and when the waste gas is discharged, the pollutants are reduced.

[0064] In this embodiment, the conveying mechanism includes motor two 501, rotating column 502, transmission wheel 503 and conveying belt 504, motor two 501 is installed on the inner side wall of one side of base 1, rotating column 502 is fixedly connected to the output end of motor two 501, rotating column 502 is also rotatably connected to the end of base 1 away from motor two 501, transmission wheel 503 is fixedly connected to the outer wall of each of the two rotating columns 502, and conveying belt 504 is tightly sleeved on the two transmission wheels 503.

[0065] In this embodiment, when printing the label, motor two 501 is started to drive rotating column 502 to rotate, at this time, conveying belt 504 will start to move in a cycle, the worker places the label paper on conveying belt 504, and the label needs to be dried in time after being printed by printing box 2, at this time, fresh air will flow into circulating pipe 3 through air inlet pipe 4, and the printed label paper is dried by circulating heating, and then the waste gas generated after drying will flow into filter box 102 through air outlet pipe 101, at this time, the waste gas will first pass through filter screen 205, some impurities will be blocked on filter screen 205, and then the waste gas passing through filter screen 205 will flow to the next process, at this time, the worker can start motor one 301 to drive rotating shaft 302 to rotate, at this time, the three closely connected activated carbon adsorption rods 305 will start to rotate, at this time, activated carbon adsorption rods 305 will adsorb and filter some volatile organic compounds VOCs and other pollutants in the waste gas, and then the waste gas passing through activated carbon adsorption rods 305 will flow to the next process through the flow-through openings 6 on baffle 5, at this time, the worker starts electric cylinder 401 to drive lifting rod 402 to lift, drives sponge 405 to soak in solvent tank 406, and the moisture in solvent tank 406 will be adsorbed on sponge 405, and then sponge 405 can be driven back and forth to adsorb and concentrate the waste gas flowing between baffle 5 and cover plate 8, and then suction machine 7 is started to discharge the filtered waste gas to the outside through suction machine 7, at this time, filter screen 205 can be taken out for cleaning and then put back in after running for a period of time, and motor one 301, electric cylinder 401 and suction machine 7 can be started to filter the waste gas when printing.

[0066] It should be noted that the above embodiments are only used to illustrate the technical solutions of the present disclosure, not to limit it, although the present disclosure has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present disclosure can be modified or replaced equivalently without departing from the spirit and scope of the technical solutions of the present disclosure, and they should be covered in the scope of the claims of the present disclosure.

Claims

1. A heat-circulating drying label printing device, comprising a base (1), a printing box (2), and a conveying mechanism, wherein the top of the base (1) is fixedly connected to the printing box (2), and the top of the printing box (2) is connected to a circulation pipe (3), and the conveying mechanism is disposed on the inner bottom wall of the base (1), characterized in that, Also includes: An air inlet pipe (4) is connected to the top of the printing box (2), and the air inlet pipe (4) is used to introduce air into the circulation pipe (3); The air outlet mechanism is provided at the top of the printing box (2) away from the air inlet pipe (4). The air outlet mechanism is used to discharge the gas after the label is dried by the circulation pipe (3). The gas outlet mechanism is equipped with a filtration mechanism, which is used to filter the gas discharged from the gas outlet mechanism. A rotary adsorption mechanism is provided on the gas outlet mechanism, and the rotary adsorption mechanism is used to adsorb and filter the gas filtered by the filter mechanism. The gas outlet mechanism is equipped with a lifting absorption mechanism, which is used to absorb the gas filtered by the rotating adsorption mechanism.

2. The thermal circulation drying label printing equipment according to claim 1, characterized in that, The air outlet mechanism includes: The air outlet pipe (101) is connected to the end of the top of the printing box (2) away from the air inlet pipe (4). The filter box (102) is connected to the end of the air outlet pipe (101) away from the printing box (2).

3. The thermal circulation drying label printing equipment according to claim 2, characterized in that, The filtration mechanism includes: The installation port (201) is provided on the top of the filter box (102). The top of the filter box (102) has multiple mounting slots (202). Mounting block (203), each of the mounting slots (202) can be detachably connected to the mounting block (203); A connecting plate (204) is fixedly connected between multiple mounting blocks (203); The filter screen (205) is installed at the bottom of the connecting plate (204).

4. The thermal circulation drying label printing equipment according to claim 3, characterized in that, The rotating adsorption mechanism includes: Motor 1 (301), the motor 1 (301) is installed on the top of the filter box (102); Rotary shaft (302), the output end of motor one (301) is fixedly connected to the rotating shaft (302); A fixed frame (303) is fixedly connected to the inner top wall of the filter box (102). Rotary slots (304): Two rotating slots (304) are provided at the bottom of the fixed frame (303). An activated carbon adsorption rod (305) is fixedly connected to one end of the rotating shaft (302) away from the motor (301). Rotating rod (306), the rotating rod (306) is rotatably connected in both of the rotating grooves (304), and the end of the rotating rod (306) away from the rotating groove (304) is fixedly connected to the activated carbon adsorption rod (305).

5. The thermal circulation drying label printing equipment according to claim 4, characterized in that, The lifting and absorbing mechanism includes: Electric cylinder (401), which is installed on the top of the filter box (102). The lifting rod (402) is fixedly connected to the output end of the electric cylinder (401). A fixed plate (403) is fixedly connected to one end of the lifting rod (402) away from the electric cylinder (401). Vertical rod (404), two of the vertical rods (404) are fixedly connected to the bottom of the fixing plate (403). Sponge (405), the sponge (405) is installed at the end of the two vertical rods (404) away from the fixed plate (403); Solvent tank (406) is fixedly connected to the inner bottom wall of the filter box (102).

6. The thermal circulation drying label printing equipment according to claim 5, characterized in that, The transmission mechanism includes: Motor 2 (501), the motor 2 (501) is installed on the inner side wall of one side of the base (1); Rotary column (502), the output end of motor two (501) is fixedly connected to the rotating column (502), and the end of the base (1) away from motor two (501) is also rotatably connected to the rotating column (502). The transmission wheel (503) is fixedly connected to the outer wall of both rotating columns (502). A conveyor belt (504) is tensioned and fitted onto two drive wheels (503).

7. The thermal circulation drying label printing equipment according to claim 6, characterized in that, A baffle (5) is fixedly connected between the inner top wall and the inner bottom wall of the filter box (102), and a flow port (6) is provided on the baffle (5).

8. The thermal circulation drying label printing equipment according to claim 7, characterized in that, The solvent tank (406) contains liquid.

9. The thermal circulation drying label printing equipment according to claim 8, characterized in that, The top of the filter box (102) is provided with a filter port, and a filter plate is installed at the filter port, and a suction machine (7) is installed at the filter plate.

10. A thermal circulation drying label printing device according to claim 9, characterized in that, A cover plate (8) is detachably connected to the outer wall of one end of the filter box (102).