High-speed drying air bellow structure of printing machine

Abstract

The utility model discloses a high-speed drying air bellow structure of a printing machine, which comprises a box body, an air supply mechanism and a transmission channel which is formed in the box body and is used for transmitting printing stock, the air supply mechanism is connected with an air outlet channel, and a plurality of air outlets for discharging air towards the transmission channel are arranged on the air outlet channel along a transmission path of the transmission channel. The two ends, along the conveying path of the conveying channel, of the air outlet channel are a front air channel end and a rear air channel end respectively, an air inlet of the air outlet channel is formed in the position close to the front air channel end, and the width of the air outlet channel is gradually reduced in the direction from the front air channel end to the rear air channel end. The drying device has the following advantages and effects that the production cost and the fault probability can be reduced on the premise of ensuring the drying quality.

Description

Technical Field

[0001] The utility model relates to a printing press, in particular to a high-speed drying air box structure of a printing press. Background Art

[0002] A printing press is a mechanical device used to print text, patterns, images, etc. onto paper, fabric, plastic, or other materials. It is widely used in the publishing industry, packaging industry, advertising industry, and the identification and decoration fields of various industrial products. With the progress of technology, the printing press has evolved from traditional manual operation to automation, digitization, and even intelligence.

[0003] The printing press includes a drying air box, which quickly dries the ink on the printing substrate through the drying air box to complete the entire printing process. Since the existing printing press has a high printing speed, in order to adapt to this processing speed, it is necessary to increase the drying stroke for adaptation to ensure the drying quality of the printing substrate. To ensure the drying efficiency at each position during the drying stroke, the existing setting structure realizes the uniform drying of the printing substrate by evenly distributing the air blowers along the drying stroke. However, this setting method has a high cost and also increases the probability of equipment failure. Summary of the Utility Model

[0004] The purpose of the utility model is to provide a high-speed drying air box structure of a printing press, which can reduce the production cost and the probability of failure on the premise of ensuring the drying quality.

[0005] The above technical purpose of the utility model is achieved through the following technical solutions: A high-speed drying air box structure of a printing press includes a box body, a air supply mechanism, and a transmission channel formed in the box body for the printing substrate to be transmitted. An air outlet duct is connected to the air supply mechanism, and a number of air outlets facing the transmission channel are arranged along the transmission path of the transmission channel on the air outlet duct. The two ends of the air outlet duct along the transmission path of the transmission channel are respectively a front duct end and a rear duct end. The air inlet of the air outlet duct is arranged at a position close to the front duct end, and the width of the air outlet duct is gradually reduced in the direction from the front duct end to the rear duct end.

[0006] By adopting the above technical solutions, the printing substrate is transmitted through the transmission channel, and the air supply mechanism transmits hot air into the transmission channel through the air outlet duct to dry the printing substrate transmitted through the transmission channel. By setting the width of the air outlet duct to be gradually reduced in the direction from the front duct end to the rear duct end, the volume of the air outlet duct at a position far from the air inlet is reduced, so as to increase the pressure at this position, thereby realizing the uniform air outlet of each air outlet and achieving the purpose of uniform drying. Through the above structure, there is no need to set multiple air sources, and the production cost and the probability of failure can be reduced on the premise of ensuring the drying quality.

[0007] Further set as: at least two air outlet air ducts are horizontally arranged along a direction perpendicular to the transmission path of the transmission channel, and the air outlets of the at least two air outlet air ducts are communicated with each other.

[0008] By adopting the above technical solution, the air outlet area is increased by setting multiple air outlet air ducts, so that the structure has a wider air outlet width, thereby better adapting to the processing conditions of different-width printing substrates.

[0009] Further set as: Transmission guide rollers are arranged at intervals at positions in the transmission channel corresponding to each air outlet, and the distance between each transmission guide roller and the corresponding air outlet is equal.

[0010] By adopting the above technical solution, the transmission guide rollers are provided to guide the printing substrate for transmission, and further uniform drying is achieved by setting the distance between the air outlet and the printing substrate to be equidistant, so as to further improve the drying quality.

[0011] Further set as: including a connecting air duct having a total air inlet and connecting the air inlets of each air outlet air duct, and a wind guiding block protruding towards the total air inlet is arranged in the connecting air duct, and the wind guiding block guides the air flow into each air outlet air duct.

[0012] By adopting the above technical solution, the connecting air duct is provided to realize unified air supply to multiple air outlet air ducts, and then the cooperating wind guiding block is used to guide the air flow, so as to improve the smoothness of the air flow.

[0013] Further set as: The air supply mechanism includes an air supply fan, a heating air duct connecting the air outlet of the air supply fan, and a plurality of heating components installed in the heating air duct.

[0014] By adopting the above technical solution, the air supply fan realizes air supply and outputs after forming hot air in cooperation with the provided heating components.

[0015] Further set as: The heating component includes a heating pipe and a plurality of heating fins distributed on the heating pipe.

[0016] By adopting the above technical solution, the setting of the heating fins increases the heat exchange area, thereby improving the heating efficiency and realizing rapid temperature rise.

[0017] Further set as: The heating air duct is provided with an installation opening communicating with the outside, and the heating component is detachably and hermetically installed in the installation opening and at least partially located in the heating air duct.

[0018] By adopting the above technical solution, this set structure realizes the convenient installation of the heating component.

[0019] It is further set that the air inlet of the air supply fan is communicated with the transmission channel.

[0020] By adopting the above technical solution, this setting method can improve the air circulation in the transmission channel, thereby improving the drying quality; and this setting structure can also realize the recovery and utilization of waste heat, so as to reduce energy consumption.

[0021] In summary, the utility model has the following beneficial effects: the utility model can reduce the production cost and the failure probability on the premise of ensuring the drying quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a schematic structural diagram of an embodiment;

[0023] Figure 2 It is a partial exploded view of an embodiment;

[0024] Figure 3 It is another partial exploded view of an embodiment;

[0025] Figure 4 It is a cross-section of an embodiment Figure 1 ;

[0026] Figure 5 It is a cross-section of an embodiment Figure 2 ;

[0027] Figure 6 It is a cross-section of an embodiment Figure 3 .

[0028] In the figure: 1, box body; 2, transmission channel; 3, air outlet duct; 4, air outlet; 5, transmission guide roller; 6, total air inlet; 7, connecting duct; 8, air guide block; 91, air supply fan; 92, heating duct; 93, heating component; 931, heating pipe; 932, heating fin; 10, installation opening. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0029] The following further describes the present utility model in detail with reference to the accompanying drawings.

[0030] Referring to Figures 1 to 6 , a high-speed drying air box structure of a printing press includes a box body 1, an air supply mechanism, and a transmission channel 2 formed in the box body 1 for transporting a printing substrate. An air outlet duct 3 is connected to the air supply mechanism, and a plurality of air outlets 4 communicating with the transmission channel 2 are arranged along the transmission path of the transmission channel 2 on the air outlet duct 3. The two ends of the air outlet duct 3 along the transmission path of the transmission channel 2 are respectively a front duct end and a rear duct end. The air inlet of the air outlet duct 3 is arranged at a position close to the front duct end. The width of the air outlet duct 3 is gradually reduced in the direction from the front duct end to the rear duct end, and the air outlet duct 3 is fixedly arranged on the box body 1. The air inlet of the air supply fan 91 is communicated with the transmission channel 2.

[0031] There are at least two, and preferably two, air outlet air ducts 3 arranged horizontally along a transmission path perpendicular to the transmission channel 2, and the air outlets 4 of the two air outlet air ducts 3 are communicated with each other. Transmission rollers 5 are arranged at intervals at positions in the transmission channel 2 corresponding to each air outlet 4. The distance between each transmission roller 5 and the corresponding air outlet 4 is equal, and the transmission rollers 5 are rotatably arranged on the box body 1.

[0032] It includes a connection air duct 7 having a total air inlet 6 and fixedly connecting the air inlets of the two air outlet air ducts 3. A wind guiding block 8 protruding towards the total air inlet 6 is fixedly arranged in the connection air duct 7, and the wind guiding block 8 guides air flow into each air outlet air duct 3.

[0033] The air supply mechanism includes an air supply fan 91, a heating air duct 92 fixedly connected to the air outlet of the air supply fan 91, and a plurality of heating components 93 installed in the heating air duct 92; the air supply fan 91 is fixedly installed on the box body 1. The heating component 93 includes a heating pipe 931 and a plurality of heating fins 932 fixedly distributed on the heating pipe 931. An installation opening 10 communicating with the outside is formed on the heating air duct 92. The heating pipe 931 is fixedly provided with a mounting plate and is installed at the installation opening 10 through the mounting plate. The mounting plate and the heating air duct 92 are detachably and sealedly connected by bolts. At least a part of the heating pipe 931 is located in the heating air duct 92; the air outlet of the heating air duct 92 is fixedly communicated with the total air inlet 6.

[0034] This specific embodiment is only an explanation of the present invention, and it is not a limitation of the present invention. After reading this specification, those skilled in the art can make modifications without creative contributions to this embodiment as needed, but as long as it is within the scope of the claims of the present invention, it is protected by the patent law.

Claims

1. A high-speed drying air box structure for a printing press, comprising a box body (1), an air supply mechanism, and a transmission channel (2) formed in the box body (1) for transmitting a printing substrate, characterized in that: An air supply duct (3) is connected to the air supply mechanism. A plurality of air outlets (4) facing the transmission channel (2) are arranged along the transmission path of the transmission channel (2) on the air supply duct (3). The two ends of the air supply duct (3) along the transmission path of the transmission channel (2) are respectively a front duct end and a rear duct end. The air inlet of the air supply duct (3) is arranged at a position close to the front duct end. The width of the air supply duct (3) is gradually reduced in the direction from the front duct end to the rear duct end.

2. The high-speed drying air box structure of the printing press according to claim 1, wherein: At least two air supply ducts (3) are arranged horizontally along a direction perpendicular to the transmission path of the transmission channel (2), and the air outlets (4) of the at least two air supply ducts (3) are communicated with each other.

3. The high-speed drying air box structure of the printing press according to claim 1, characterized in that: Transmission guide rollers (5) are arranged at intervals at positions in the transmission channel (2) corresponding to each air outlet (4). The distance between each transmission guide roller (5) and the corresponding air outlet (4) is equal.

4. The high-speed drying air box structure of the printing press according to claim 2, characterized in that: It includes a connecting duct (7) having a total air inlet (6) and connecting the air inlets of each air supply duct (3). A wind guiding block (8) protruding towards the total air inlet (6) is arranged in the connecting duct (7), and the wind guiding block (8) guides the air flow into each air supply duct (3).

5. The high-speed drying air box structure of the printing press according to claim 1 or 2, characterized in that: The air supply mechanism includes an air supply fan (91), a heating duct (92) connected to the air outlet of the air supply fan (91), and a plurality of heating components (93) installed in the heating duct (92).

6. The high-speed drying air box structure of the printing press according to claim 5, characterized in that: The heating component (93) includes a heating tube (931) and a plurality of heating fins (932) distributed on the heating tube (931).

7. The high-speed drying air box structure of the printing press according to claim 5, characterized in that: An installation opening (10) communicating with the outside is arranged on the heating duct (92). The heating component (93) is detachably and hermetically installed in the installation opening (10) and at least partially located in the heating duct (92).

8. The high-speed drying air box structure of the printing press according to claim 5, characterized in that: The air inlet of the air supply fan (91) is communicated with the transmission channel (2).

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