Waste heat recovery device of printing machine

Abstract

The utility model belongs to the field of printing machines, and particularly relates to a waste heat recovery device of a printing machine, which comprises a printing machine main body, the front end of the printing machine body is fixedly connected with a supporting frame, the inner wall of the printing machine body is rotationally connected with a printing roller, the lower end of the supporting frame is connected with a material guiding mechanism, the outer end of the printing machine body is connected with a waste heat recycling mechanism, the waste heat recycling mechanism comprises a recycling pipe, and the recycling pipe fixedly communicates with the inner wall of the printing machine body. The right end of the recovery pipe fixedly communicates with an air purifier, and the air purifier is fixedly connected to the right end of the printing machine body. Through the structural design of the waste heat recovery mechanism, heat energy and hot air generated during printing of the printing machine can heat the surface of an ink box and preheat the ink box, a first linear motor drives a first preheating support to slide left and right along a first linear guide rail and a first guide rod, and therefore the ink box is preheated evenly, the utilization rate of waste heat is increased, and the printing efficiency is improved. And by reducing the emission of waste heat, the environment is protected to a certain extent.

Description

Technical Field

[0001] The utility model relates to the field of printing machines, specifically a waste heat recovery device for printing machines. Background Art

[0002] The waste heat recovery device for a printing machine is a device designed to capture the waste heat generated during the operation of the printing machine and convert this waste heat into reusable energy to achieve energy conservation and high energy efficiency.

[0003] In the Chinese patent with the application number CN202222083680.0, a waste heat adsorption digital printing machine is disclosed. When the ink is at a high temperature, it will dry and evaporate, thus generating waste gas. The waste gas contains waste heat. Then, by starting the suction fan, the waste heat is sucked into the interior of the waste heat pipe, floats to the bottom of the product through several through holes on the surface of the waste heat pipe, and the upper part of the product is dried by the drying component, and the waste heat pipe assists in drying the bottom of the product, so as to realize the function of recycling the heat in the waste gas.

[0004] However, when performing transfer printing on fabrics, etc., it is often necessary to preheat the fabric. At the same time, for the uniformity of the printing ink, sometimes it is also necessary to preheat the ink. The waste heat adsorption digital printing machine in the comparative patent is difficult to use the recovered thermal energy to preheat the fabric and the ink in the ink cartridge, and the recovery rate of thermal energy is not high enough. Therefore, a waste heat recovery device for a printing machine is proposed to solve the above problems. Summary of the Utility Model

[0005] In order to make up for the deficiencies of the prior art, when performing transfer printing on fabrics, etc., it is often necessary to preheat the fabric. At the same time, for the uniformity of the printing ink, sometimes it is also necessary to preheat the ink. The waste heat adsorption digital printing machine in the comparative patent is difficult to use the recovered thermal energy to preheat the fabric and the ink in the ink cartridge, and the recovery rate of thermal energy is not high enough. The utility model proposes a waste heat recovery device for a printing machine.

[0006] The technical solution adopted by the present utility model to solve its technical problems is: a waste heat recovery device for a printing machine, including a printing machine main body; a support frame is fixedly connected to the front end of the printing machine main body, a printing roller is rotatably connected to the inner wall of the printing machine main body, a feeding mechanism is connected to the lower end of the support frame, a waste heat recovery mechanism is connected to the outer end of the printing machine main body, the waste heat recovery mechanism includes a recovery pipe, the recovery pipe is fixedly communicated with the inner wall of the printing machine main body, the right end of the recovery pipe is fixedly communicated with an air purifier, the air purifier is fixedly connected to the right end of the printing machine main body, the right end of the air purifier is fixedly communicated with a discharge pipe, a tee joint is inserted into the right end of the discharge pipe, a first shunt pipe is movably communicated with the upper end of the tee joint, a first valve is fixedly connected to the outer end of the first shunt pipe, an ink cartridge is fixedly connected to the upper end of the printing machine main body, a first linear guide rail is fixedly connected to the front end of the ink cartridge, a first linear motor is slidably connected to the front end of the first linear guide rail, a first preheating bracket is fixedly connected to the outer end of the first linear motor, the first preheating bracket is fixedly communicated with the first shunt pipe, a first air outlet hole is opened at the lower end of the first preheating bracket, the first air outlet holes are arranged at equal intervals, a first guide rod is fixedly connected to the rear end of the ink cartridge, and the first preheating bracket penetrates through the first guide rod and is slidably connected to the first guide rod.

[0007] Preferably, a second shunt pipe is movably communicated with the lower end of the tee joint, a second valve is fixedly connected to the outer end of the second shunt pipe, a second linear guide rail is fixedly connected to the right end of the support frame, a second linear motor is slidably connected to the right end of the second linear guide rail, a second preheating bracket is fixedly connected to the outer end of the second linear motor, and the second preheating bracket is fixedly communicated with the second shunt pipe.

[0008] Preferably, a second air outlet hole is opened at the lower end of the second preheating bracket, and the second air outlet holes are arranged at equal intervals.

[0009] Preferably, a second guide rod is fixedly connected to the left end of the support frame, and the second preheating bracket penetrates through the second guide rod and is slidably connected to the second guide rod.

[0010] Preferably, the feeding mechanism includes a pair of support legs, the pair of support legs are fixedly connected to the left and right sides of the lower end of the support frame, and a bottom plate is fixedly connected to the lower end of the support legs.

[0011] Preferably, a placement rack is fixedly connected to the front end of the bottom plate, and a material roller is rotatably connected to the outer end of the placement rack.

[0012] Preferably, a support plate is fixedly connected to the upper end of the bottom plate, and a pair of guide rollers are rotatably connected to the outer end of the support plate.

[0013] The beneficial effects of the present utility model are:

[0014] 1. Through the structural design of the waste heat recovery mechanism, the present utility model realizes the function that the heat energy and hot air generated during the printing process of the printing machine can heat the surface of the ink cartridge, preheat the ink cartridge, and the linear motor 1 drives the preheating bracket 1 to slide left and right along the linear guide rail 1 and the guide rod 1, so as to preheat the ink cartridge more evenly. This solves the problem that when performing transfer printing on fabrics, etc., in order to ensure the uniformity of the printing ink, sometimes it is also necessary to preheat the ink, but the waste heat adsorption type digital printing machine in the comparative patent is difficult to use the recovered heat energy to preheat the ink in the ink cartridge, and the recovery utilization rate of the heat energy is not high enough, thus improving the utilization rate of waste heat;

[0015] 2. Through the structural design of the waste heat recovery mechanism, the present utility model realizes the function that the waste heat can heat the surface of the printing material on the surface of the support frame, preheat the surface of the printing material, and the linear motor 2 drives the preheating bracket 2 to slide back and forth along the linear guide rail 2 and the guide rod 2, so as to preheat the surface of the printing material more evenly. This solves the problem that when performing transfer printing on fabrics, etc., it is often necessary to preheat the fabric, but the waste heat adsorption type digital printing machine in the comparative patent is difficult to use the recovered heat energy to preheat the fabric, and the recovery utilization rate of the heat energy is not high enough. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model or the prior art, the following will briefly introduce the drawings required for the description of the embodiments or the prior art. Obviously, the following drawings are only some embodiments of the present utility model. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.

[0017] Figure 1 It is a three-dimensional structural schematic diagram of the present utility model;

[0018] Figure 2 It is a three-dimensional structural schematic diagram of the material guiding mechanism of the present utility model;

[0019] Figure 3 It is a three-dimensional structural schematic diagram of the ink cartridge of the present utility model;

[0020] Figure 4 It is a three-dimensional structural schematic diagram of the three-way joint of the present utility model;

[0021] Figure 5 It is a three-dimensional structural schematic diagram of the preheating bracket 1 of the present utility model;

[0022] Figure 6 It is a three-dimensional structural schematic diagram of the preheating bracket 2 of the present utility model.

[0023] In the figure: 1. Main body of the printing machine; 2. Support frame; 3. Printing roller; 4. Feeding mechanism; 5. Waste heat recovery mechanism; 401. Support leg; 402. Bottom plate; 403. Placing rack; 404. Material roller; 405. Support plate; 406. Guide roller; 501. Recovery pipe; 502. Air purifier; 503. Discharge pipe; 504. Three-way joint; 505. First shunt pipe; 506. First valve; 507. Ink cartridge; 508. First linear guide; 509. First linear motor; 510. First preheating bracket; 511. First air outlet; 512. First guide rod; 513. Second shunt pipe; 514. Second valve; 515. Second linear guide; 516. Second linear motor; 517. Second preheating bracket; 518. Second air outlet; 519. Second guide rod. Detailed implementation mode

[0024] The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to 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. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.

[0025] The following is a further detailed description of this application in conjunction with the attached Figures 1-6 to further illustrate this application in detail.

[0026] The embodiment of this application discloses a waste heat recovery device for a printing machine. Refer to Figure 1 、 Figure 3 、 Figure 4 and Figure 5, Waste heat recovery device of a printing machine, including a printing machine main body 1; a support frame 2 is fixedly connected to the front end of the printing machine main body 1, a printing roller 3 is rotatably connected to the inner wall of the printing machine main body 1, a feeding mechanism 4 is connected to the lower end of the support frame 2, a waste heat recovery mechanism 5 is connected to the outer end of the printing machine main body 1, and the waste heat recovery mechanism 5 includes a recovery pipe 501 which is fixedly communicated with the inner wall of the printing machine main body 1. The right end of the recovery pipe 501 is fixedly communicated with an air purifier 502, the air purifier 502 is fixedly connected to the right end of the printing machine main body 1, the right end of the air purifier 502 is fixedly communicated with a discharge pipe 503, the right end of the discharge pipe 503 is plugged with a three-way joint 504, the upper end of the three-way joint 504 is movably communicated with a first shunt pipe 505, a valve 506 is fixedly connected to the outer end of the first shunt pipe 505, an ink cartridge 507 is fixedly connected to the upper end of the printing machine main body 1, a first linear guide rail 508 is fixedly connected to the front end of the ink cartridge 507, a first linear motor 509 is slidably connected to the front end of the first linear guide rail 508, a first preheating bracket 510 is fixedly connected to the outer end of the first linear motor 509, the first preheating bracket 510 is fixedly communicated with the first shunt pipe 505, and air outlet holes 511 are opened at the lower end of the first preheating bracket 510, and the air outlet holes 511 are arranged at equal intervals. A first guide rod 512 is fixedly connected to the rear end of the ink cartridge 507, and the first preheating bracket 510 penetrates through the first guide rod 512 and is slidably connected to the first guide rod 512;

[0027] Open the valve 506 and the valve 514. The heat energy generated during printing enters the air purifier 502 through the recovery pipe 501. After purifying the hot air, it then enters the first shunt pipe 505 and the second shunt pipe 513 respectively. Both the first shunt pipe 505 and the second shunt pipe 513 are flexible hoses. The heat energy in the first shunt pipe 505 enters the first preheating bracket 510 and then is discharged from the air outlet holes 511 to heat the surface of the ink cartridge 507 and preheat the ink cartridge 507. At the same time, the first linear motor 509 drives the first preheating bracket 510 to slide left and right along the first linear guide rail 508 and the first guide rod 512, so as to preheat the ink cartridge 507 more evenly.

[0028] Refer to Figure 1 , Figure 2 and Figure 6 , the lower end of the three-way joint 504 is movably communicated with a second shunt pipe 513, a valve 514 is fixedly connected to the outer end of the second shunt pipe 513, a second linear guide rail 515 is fixedly connected to the right end of the support frame 2, a second linear motor 516 is slidably connected to the right end of the second linear guide rail 515, a second preheating bracket 517 is fixedly connected to the outer end of the second linear motor 516, the second preheating bracket 517 is fixedly communicated with the second shunt pipe 513, and air outlet holes 518 are opened at the lower end of the second preheating bracket 517, and the air outlet holes 518 are arranged at equal intervals. A second guide rod 519 is fixedly connected to the left end of the support frame 2, and the second preheating bracket 517 penetrates through the second guide rod 519 and is slidably connected to the second guide rod 519;

[0029] After the hot air is purified, it enters the second shunt pipe 513. The thermal energy in the second shunt pipe 513 enters the interior of the second preheating bracket 517 and then is discharged from the second air outlet hole 518 to heat the surface of the printing material on the surface of the support frame 2, preheating the surface of the printing material. At the same time, the linear motor 2 drives the second preheating bracket 517 to slide back and forth along the second linear guide rail 515 and the second guide rod 519, so as to preheat the surface of the printing material more evenly.

[0030] Refer to Figure 1 and Figure 2 As shown in FIGS. and, the material guiding mechanism 4 includes a pair of support legs 401. The pair of support legs 401 are fixedly connected to the left and right sides of the lower end of the support frame 2. The lower end of the support leg 401 is fixedly connected with a bottom plate 402. The front end of the bottom plate 402 is fixedly connected with a placement rack 403. The outer end of the placement rack 403 is rotatably connected with a material roller 404. The upper end of the bottom plate 402 is fixedly connected with a support plate 405. The outer end of the support plate 405 is rotatably connected with a pair of guide rollers 406;

[0031] The placement rack 403 and the material roller 404 can be used to wind the printed fabric, and the fabric can be guided and conveyed through the guide rollers 406.

[0032] Working principle: First, the fabric can be guided and conveyed through the guide rollers 406. Open the first valve 506 and the second valve 514. The thermal energy generated during printing enters the air purifier 502 through the recovery pipe 501. After the hot air is purified, it enters the first shunt pipe 505 and the second shunt pipe 513 respectively. Both the first shunt pipe 505 and the second shunt pipe 513 are flexible hoses. The thermal energy in the first shunt pipe 505 enters the first preheating bracket 510 and then is discharged from the first air outlet hole 511. At the same time, the linear motor 1 drives the first preheating bracket 510 to slide left and right along the first linear guide rail 508 and the first guide rod 512, so as to preheat the ink cartridge 507 more evenly. After the hot air is purified, it enters the second shunt pipe 513. The thermal energy in the second shunt pipe 513 enters the interior of the second preheating bracket 517 and then is discharged from the second air outlet hole 518. At the same time, the linear motor 2 drives the second preheating bracket 517 to slide back and forth along the second linear guide rail 515 and the second guide rod 519, so as to preheat the surface of the printing material more evenly.

[0033] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited by the above embodiments. The above embodiments and the descriptions in the specification only illustrate the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention will have various changes and improvements, and these changes and improvements all fall within the scope of the present invention claimed.

Claims

1. The waste heat recovery device of the printing machine is characterized by: The invention comprises a printing machine body (1); the front end of the printing machine body (1) is fixedly connected to a support frame (2); the inner wall of the printing machine body (1) is rotatably connected to a printing roller (3); the lower end of the support frame (2) is connected to a material guide mechanism (4); the outer end of the printing machine body (1) is connected to a waste heat recovery mechanism (5); the waste heat recovery mechanism (5) comprises a recovery pipe (501); the recovery pipe (501) is fixedly connected to the inner wall of the printing machine body (1); the right end of the recovery pipe (501) is fixedly connected to an air purifier (502); the air purifier (502) is fixedly connected to the right end of the printing machine body (1); the right end of the air purifier (502) is fixedly connected to an exhaust pipe (503); the right end of the exhaust pipe (503) is plugged with a three-way joint (504); the upper end of the three-way joint (504) is movably connected to a separation pipe (501); A flow tube (505), the outer end of the diverter tube (505) is fixedly connected to a valve (506), the upper end of the printing machine body (1) is fixedly connected to an ink cartridge (507), the front end of the ink cartridge (507) is fixedly connected to a linear guide rail (508), the front end of the linear guide rail (508) is slidably connected to a linear motor (509), the outer end of the linear motor (509) is fixedly connected to a preheating bracket (510), the preheating bracket (510) is fixedly connected to the diverter tube (505), the lower end of the preheating bracket (510) is provided with an air outlet hole (511), the air outlet holes (511) are arranged at equal distances, the rear end of the ink cartridge (507) is fixedly connected to a guide rod (512), the preheating bracket (510) penetrates the guide rod (512) and is slidably connected to the guide rod (512).

2. The waste heat recovery device for a printing machine according to claim 1, characterized in that: The lower end of the three-way joint (504) is movably connected to a second shunt pipe (513), the outer end of the second shunt pipe (513) is fixedly connected to a second valve (514), the right end of the support frame (2) is fixedly connected to a second linear guide rail (515), the right end of the second linear guide rail (515) is slidably connected to a second linear motor (516), the outer end of the second linear motor (516) is fixedly connected to a second preheating bracket (517), and the second preheating bracket (517) is fixedly connected to the second shunt pipe (513).

3. The waste heat recovery device for a printing machine according to claim 2, characterized in that: The lower end of the second preheating bracket (517) is provided with second air outlet holes (518), and the second air outlet holes (518) are arranged at equal distances.

4. The waste heat recovery device for a printing machine according to claim 3 is characterized in that: The left end of the support frame (2) is fixedly connected to a second guide rod (519), and the second preheating bracket (517) passes through the second guide rod (519) and is slidably connected to the second guide rod (519).

5. The waste heat recovery device for a printing machine according to claim 1, characterized in that: The material guiding mechanism (4) comprises a pair of supporting legs (401), wherein the pair of supporting legs (401) are fixedly connected to the left and right sides of the lower end of the supporting frame (2), and the lower ends of the supporting legs (401) are fixedly connected to a bottom plate (402).

6. The waste heat recovery device for a printing machine according to claim 5, characterized in that: The front end of the bottom plate (402) is fixedly connected to a placement rack (403), and the outer end of the placement rack (403) is rotatably connected to a material roller (404).

7. The waste heat recovery device for a printing machine according to claim 6, characterized in that: The upper end of the bottom plate (402) is fixedly connected to a support plate (405), and the outer end of the support plate (405) is rotatably connected to a pair of guide rollers (406).

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