Printing oven for printing production

Abstract

The utility model discloses a printing oven for printing production, and belongs to the technical field of printing ovens, and the technical scheme is characterized in that the printing oven comprises a hot air device capable of providing hot air; the supporting and conveying device is used for supporting the printed matter to pass through the position below the hot air device, and the supporting and conveying device comprises a conveying belt and conveying rollers; the conveying belt is wound on the heat dissipation roller, and the heat dissipation roller comprises a mounting shaft and heat dissipation fins; the pump body is connected with the mounting shaft and is used for conveying gas into the heat dissipation roller; wherein the cooling fins are evenly distributed around the axis of the cooling roller, and an outlet is formed in the middle of the mounting shaft. The temperature difference between the printing paper and the conveying belt can be reduced, and the quality of the dried printing paper is stable.

Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of printing ovens, and particularly relates to a printing oven for printing production. BACKGROUND

[0002] A printing machine is a machine for printing characters and images. A modern printing machine generally comprises a plate mounting mechanism, an ink coating mechanism, an impression mechanism and a paper conveying mechanism. The working principle of the printing machine is as follows: first, characters and images to be printed are made into printing plates, which are mounted on the printing machine, then ink is applied to the places with characters and images on the printing plates by manual or mechanical operation, and then the ink is directly or indirectly transferred to paper or other printing materials, so as to copy the same printing products as the printing plates. The printing machine oven is an auxiliary device for drying printed products, which has been widely used in the field of printing equipment.

[0003] However, the existing printing machine has a large temperature difference between the conveying belt for supporting the paper and the paper during the drying process of the printed paper of the continuous web, which leads to poor quality of the dried paper. Therefore, the printing machine needs to be improved. CONTENT OF THE UTILITY MODEL

[0004] The application aims to solve the above technical problems, and provides a printing oven for printing production, which can reduce the temperature difference between the printed paper and the conveying belt and stabilize the quality of the dried printed paper.

[0005] The application provides a printing oven for printing production, which comprises:

[0006] A hot air device capable of providing hot air;

[0007] A support conveying device for supporting the printing material to pass below the hot air device, wherein the support conveying device comprises a conveying belt and a conveying roller;

[0008] A heat dissipation roller, wherein the conveying belt is wound on the heat dissipation roller, and the heat dissipation roller comprises a mounting shaft and heat dissipation fins;

[0009] A pump body connected with the mounting shaft and capable of conveying gas into the heat dissipation roller;

[0010] The heat dissipation fins are uniformly distributed around the axis of the heat dissipation roller, and the mounting shaft is provided with an outlet at the middle position.

[0011] The hot air device adopts a fan and heating wire structure, can blow hot air, is used for drying ink on the printed paper, supports the printed paper through the supporting conveying device, places the printed paper below the conveying belt passing through the hot air device, drives the conveying belt to move through the conveying roller, the conveying roller is connected with the motor to provide power, winds the conveying belt on the heat dissipation roller, separates the printed paper from the conveying belt after the printed paper is moved out of the hot air device, and continues to move forward, the conveying belt moves to the position of the heat dissipation roller, contacts the conveying belt through the heat dissipation roller, transfers the heat on the conveying belt out through the heat dissipation roller, and the pump body is used for conveying air or other heat dissipation media into the mounting shaft and the heat dissipation roller. The connecting part of the mounting shaft is connected through a rotatable joint, the heat dissipation medium is sprayed out through the outlet on the mounting shaft, then flows to both ends of the heat dissipation pipe, the heat dissipation efficiency is improved through the heat dissipation fins, the heat on the conveying belt can be quickly conducted out by the heat dissipation roller, a plurality of groups of heat dissipation rollers can be arranged to improve the heat dissipation effect, and the heat dissipation fins are arranged on the inner side surface of the heat dissipation roller.

[0012] Further, the heat dissipation roller further comprises:

[0013] The bracket part is connected between the heat dissipation roller and the mounting shaft.

[0014] The bracket part is integrally connected or connected through bolts and the like between the heat dissipation roller and the mounting shaft, the bracket part is connected with the mounting shaft, is used for maintaining the structural stability between the mounting shaft and the heat dissipation roller, and maintaining the gap between the inner wall surface of the heat dissipation roller and the mounting shaft for the flow of the heat dissipation medium.

[0015] Further, the heat dissipation roller further comprises:

[0016] The connecting pipe is connected between the heat dissipation roller and the hot air device.

[0017] When the heat dissipation medium is air, the air is continuously conveyed into the hot air device after flowing out of the heat dissipation roller and taking away the heat, the recycling use of the heat is increased, and the energy utilization rate is improved. The mounting cover is mounted at the end of the heat dissipation roller and is sealingly and movably connected with the heat dissipation roller and the mounting shaft. The mounting cover is connected with the connecting pipe through a threaded pair or fasteners such as bolts and nuts.

[0018] Further, the heat dissipation roller further comprises:

[0019] The through holes are uniformly distributed on the surface of the heat dissipation roller and are used for acting on the conveying belt through the through holes.

[0020] When the heat dissipation medium is air, a small amount of air is blown out through the through holes within a certain range after the conveying belt is separated from the heat dissipation roller, so as to directly act on the conveying belt and continue to dissipate heat, and the heat dissipation effect is further improved.

[0021] Further, the conveying belt further comprises:

[0022] The micro-holes are uniformly distributed on the conveying belt.

[0023] The back of the conveying belt is provided with a negative pressure mechanism.

[0024] The micro-holes are uniformly distributed on the conveying belt, and the micro-holes are connected with the negative pressure mechanism, so that the micro-holes have adsorption effect, the printed paper placed on the conveying belt is stably adsorbed on the conveying belt, and the stability of the printed paper passing through the hot air device is improved.

[0025] Further, the negative pressure mechanism comprises:

[0026] The negative pressure chamber is connected with the negative pressure device.

[0027] The negative pressure chamber is provided with a contact surface, the contact surface is in contact with the conveying belt, and the contact surface is provided with negative pressure holes.

[0028] The negative pressure mechanism generates negative pressure through the negative pressure device, and then transmits the negative pressure to the negative pressure chamber. The negative pressure is applied to the printed paper through the negative pressure holes corresponding to the micro-holes. The contact surface on the negative pressure chamber moves relative to the conveying belt, and the distance between the negative pressure holes is different from the distance between the micro-holes, so that the micro-holes corresponding to the negative pressure holes are always kept on the conveying belt.

[0029] Further, the contact surface is provided with a connecting groove.

[0030] The connecting groove increases the corresponding area of the micro-holes, and the length of the connecting groove is along the moving direction of the conveying belt, so that the connecting groove can correspond to multiple micro-holes at the same time, and the adsorption effect of the micro-holes on the conveying belt is further improved.

[0031] Further, the contact surface is in the form of an outwardly convex arc surface.

[0032] The arc-shaped contact surface facilitates to improve the stable sealing property of the conveying belt and the contact surface, and further ensures the stability of the adsorption effect between the paper and the conveying belt.

[0033] The beneficial effects of the present application are:

[0034] 1. The conveying belt is wound on the heat dissipation roller, heat is transferred when the hot conveying belt moves through the heat dissipation roller, the conveying belt is cooled, and the temperature difference between the conveying belt and the printed paper when the printed paper contacts the conveying belt and enters the hot air device is reduced.

[0035] 2. The supporting device is used for supporting the printed paper, and the printed paper is placed below the conveying belt passing through the hot air device, so that the printed paper moving below the hot air device has high stability.

[0036] 3. The micropores are connected with the negative pressure mechanism, so that the micropores have adsorption effect, the printed paper is stably adsorbed on the conveying belt, and the stability of the printed paper when passing through the hot air device is further improved. BRIEF DESCRIPTION OF DRAWINGS

[0037] Figure 1 It is a structural schematic diagram of the printing oven of the present application;

[0038] Figure 2 It is a structural schematic diagram of the support conveying device of the present application;

[0039] Figure 3 It is a structural schematic diagram of the heat dissipation roller of the present application;

[0040] Figure 4 It is a structural schematic diagram of the heat dissipation roller of the present application;

[0041] In the drawings, 100, hot air device; 200, support conveying device; 210, conveying belt; 211, micropore; 220, conveying roller; 300, heat dissipation roller; 301, pump body; 310, mounting shaft; 311, outlet; 320, heat dissipation fin; 330, support part; 340, connecting pipe; 350, through hole; 400, negative pressure mechanism; 410, negative pressure chamber; 411, contact surface; 412, negative pressure hole; 413, connecting groove; 420, negative pressure device. DETAILED DESCRIPTION

[0042] The technical solutions in the embodiments of the present application will be clearly described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art belong to the scope of protection of the present application.

[0043] The terms "first", "second", and the like in the specification and claims of the present application are used to distinguish similar objects, and are not used to describe a specific order or sequence. It should be understood that the data used in this way can be interchanged under appropriate circumstances, so that the embodiments of the present application can be implemented in an order other than those illustrated or described herein, and the objects distinguished by "first", "second", etc. are usually a class, not limited to the number of objects, for example, the first object can be one or more. In addition, "and / or" in the specification and claims means at least one of the connected objects, and the character " / ", generally indicates that the front and rear associated objects are in an "or" relationship.

[0044] The embodiments of the present application will be described in detail below with reference to the drawings and specific embodiments and their application scenarios.

[0045] Embodiment 1:

[0046] As Figures 1-4 shown in the embodiments of the present application, a printing oven for printing production is provided, comprising:

[0047] a hot air device 100 capable of providing hot air;

[0048] a supporting conveying device 200 for supporting the printing object to pass below the hot air device 100, the supporting conveying device 200 comprising a conveying belt 210 and a conveying roller 220;

[0049] a heat dissipation roller 300, the conveying belt 210 is wound on the heat dissipation roller 300, the heat dissipation roller 300 comprising a mounting shaft 310 and heat dissipation fins 320;

[0050] a pump body 301 connected with the mounting shaft 310 for conveying gas into the heat dissipation roller 300;

[0051] wherein the heat dissipation fins 320 are uniformly distributed around the axis of the heat dissipation roller 300, and the mounting shaft 310 is provided with an outlet 311 at the middle position.

[0052] The hot air device 100 adopts a fan and heating wire structure to blow out hot air for drying the ink on the printing paper, and the supporting conveying device 200 is used for supporting the printing paper, the printing paper is placed on the conveying belt 210 which is driven to move by the conveying roller 220, the conveying roller 220 is connected with a motor to provide power, when the printing paper is moved out of the hot air device 100 by the conveying belt 210, the printing paper is separated from the conveying belt 210 and continues to move forward, the conveying belt 210 moves to the position of the heat dissipation roller 300, the heat dissipation roller 300 is in contact with the conveying belt 210 to transfer the heat on the conveying belt 210 out through the heat dissipation roller 300, the pump body 301 conveys air or other medium for heat dissipation into the mounting shaft 310 and the heat dissipation roller 300, the connection between the mounting shaft 310 and the heat dissipation roller 300 is connected through a rotatable joint, the heat dissipation medium is sprayed out through the outlet 311 on the mounting shaft 310 and then flows to both ends of the heat dissipation pipe, the heat dissipation fins 320 improve the heat dissipation efficiency, the heat dissipation roller 300 can quickly conduct the heat on the conveying belt 210 out, the heat dissipation roller 300 can be provided with multiple groups to improve the heat dissipation effect, and the heat dissipation fins 320 are installed on the inner side surface of the heat dissipation roller 300.

[0053] Further, the heat dissipation roller 300 further comprises:

[0054] a bracket portion 330 connected between the heat dissipation roller 300 and the mounting shaft 310.

[0055] The support part 330 is integrally connected with the heat dissipation roller 300 or connected through bolts and other fasteners, the support part 330 is connected with the mounting shaft 310, used for keeping the structural stability between the mounting shaft 310 and the heat dissipation roller 300, and keeping the gap between the inner wall surface of the heat dissipation roller 300 and the mounting shaft 310 for the flow of the heat dissipation medium.

[0056] Embodiment 2:

[0057] As shown in Figure 1 , Figure 3 , the embodiment of the present application provides a printing oven for printing production, in addition to including the above technical features, further, the heat dissipation roller 300 further comprises:

[0058] The connecting pipe 340 is connected between the heat dissipation roller 300 and the hot air device 100.

[0059] When the heat dissipation medium is air, after the air flows out of the heat dissipation roller 300 and takes away the heat, it continues to be transported into the hot air device 100, increasing the recycling of heat and improving the energy utilization rate, the mounting cover which is sealed and movably connected with the heat dissipation roller 300 and the mounting shaft 310 is installed at the end of the heat dissipation roller 300, and the mounting cover is connected with the connecting pipe 340 through a threaded pair or through bolts, nuts and other fasteners.

[0060] Embodiment 3:

[0061] As shown in Figure 1 , Figure 3 , Figure 4 , the embodiment of the present application provides a printing oven for printing production, in addition to including the above technical features, further, the heat dissipation roller 300 further comprises:

[0062] The through hole 350 is uniformly distributed on the surface of the heat dissipation roller 300, used for acting on the conveying belt 210 through the through hole 350.

[0063] When the heat dissipation medium is air, after the conveying belt 210 is separated from the heat dissipation roller 300, a small amount of air is blown out through the through hole 350 within a certain range to directly act on the conveying belt 210 to continue heat dissipation, further improving the heat dissipation effect.

[0064] Embodiment 4:

[0065] As shown in Figure 1 , Figure 2 , the embodiment of the present application provides a printing oven for printing production, in addition to including the above technical features, further, the conveying belt 210 further comprises:

[0066] The micropore 211 is uniformly distributed on the conveying belt 210;

[0067] The back of the conveying belt 210 is provided with a negative pressure mechanism 400.

[0068] The micropores 211 are uniformly distributed on the conveying belt 210, and the micropores 211 are connected with the negative pressure mechanism 400, so that the micropores 211 generate adsorption effect, the printed paper placed on the conveying belt 210 is stably adsorbed on the conveying belt 210, and the stability of the printed paper passing through the hot air device 100 is improved.

[0069] Further, the negative pressure mechanism 400 comprises:

[0070] The negative pressure chamber 410 is connected with the negative pressure device 420.

[0071] The negative pressure chamber 410 is provided with a contact surface 411, the contact surface 411 is in contact with the conveying belt 210, and the contact surface 411 is provided with a negative pressure hole 412.

[0072] The negative pressure mechanism 400 generates negative pressure through the negative pressure device 420, and then transmits the negative pressure to the negative pressure chamber 410. The negative pressure hole 412 corresponds to the micropore 211, and the negative pressure acts on the printed paper. The contact surface 411 on the negative pressure chamber 410 moves relative to the conveying belt 210, the spacing between the negative pressure holes 412 is different from the spacing between the micropores 211, and the micropores 211 in communication with the negative pressure holes 412 are always maintained on the conveying belt 210.

[0073] Further, the contact surface 411 is provided with a connecting groove 413.

[0074] The connecting groove 413 increases the corresponding area of the micropore 211, and the length of the connecting groove 413 is arranged along the moving direction of the conveying belt 210, so that the connecting groove 413 can correspond to multiple micropores 211 at the same time, and the adsorption effect of the micropores 211 on the conveying belt 210 is further improved.

[0075] Further, the contact surface 411 is in the form of an outward convex arc surface.

[0076] The arc-shaped contact surface 411 facilitates to improve the stable sealing property of the conveying belt 210 and the contact surface 411, and further ensures the stability of the adsorption effect between the paper and the conveying belt 210.

[0077] It should be noted that, in the present document, the terms "comprises", "comprising", or any other variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can also include other elements not expressly listed or inherent to such process, method, article, or apparatus. An element proceeded by "comprises... a" does not, without more constraints, exclude the presence of additional identical elements in the process, method, article, or apparatus that comprises the element. Furthermore, it should be noted that the methods and apparatus of the present embodiments are not limited by the order of the steps or the sequence for performing the steps, as some steps can occur in different orders and / or concurrently with one another; for example, described methods can be performed in an order other than that described, and / or additional steps can be added, or steps can be omitted, or a combination thereof. Also, characteristics described in relation to certain examples can be combined in other examples.

[0078] The embodiments of the present application described above are merely exemplary and are not intended to limit the present application to the described embodiments. The described embodiments are merely illustrative and not restrictive of the present application. Many modifications and variations of the described embodiments are possible, all of which are intended to be within the scope of the present application.

Claims

1. A printing oven for printing production, characterized in that, include: The hot air device (100) is capable of providing hot air; A support conveyor (200) is used to support the printed material as it passes under the hot air device (100), the support conveyor (200) including a conveyor belt (210) and a conveyor roller (220). A heat dissipation roller (300) is used to wind the conveyor belt (210) around the heat dissipation roller (300), the heat dissipation roller (300) including a mounting shaft (310) and heat dissipation fins (320). The pump body (301) is connected to the mounting shaft (310) to deliver gas to the heat dissipation roller (300); The heat sink (320) is evenly distributed around the axis of the heat sink roller (300), and an outlet (311) is provided at the middle position of the mounting shaft (310).

2. The printing oven for printing production according to claim 1, characterized in that, The heat dissipation roller (300) also includes: The bracket (330) is connected between the heat dissipation roller (300) and the mounting shaft (310).

3. The printing oven for printing production according to claim 1, characterized in that, The heat dissipation roller (300) also includes: A connecting pipe (340) is connected between the heat dissipation roller (300) and the hot air device (100).

4. The printing oven for printing production according to claim 1, characterized in that, The heat dissipation roller (300) also includes: Through holes (350) are evenly distributed on the surface of the heat dissipation roller (300) to allow some gas to pass through the through holes (350) onto the conveyor belt (210).

5. The printing oven for printing production according to claim 1, characterized in that, The conveyor belt (210) also includes: Micropores (211) are evenly distributed on the conveyor belt (210); The conveyor belt (210) is provided with a negative pressure mechanism (400) on its back side.

6. The printing oven for printing production according to claim 5, characterized in that, The negative pressure mechanism (400) includes: Negative pressure chamber (410), connected to negative pressure device (420); The negative pressure chamber (410) is provided with a contact surface (411), which is in contact with the conveyor belt (210), and the contact surface (411) is provided with a negative pressure hole (412).

7. The printing oven for printing production according to claim 6, characterized in that, The contact surface (411) is provided with a connecting groove (413).

8. The printing oven for printing production according to claim 6, characterized in that, The contact surface (411) is an outwardly convex arc shape.

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