Drying oven device of photogravure press

Abstract

The utility model relates to the technical field of photogravure presses, in particular to a drying oven device of a photogravure press, which comprises a drying oven mechanism, a film penetrating opening for a printing film to penetrate in and out is formed on the drying oven mechanism, and the drying oven mechanism comprises a drying oven bottom box and a drying oven top box which can be opened and closed, the drying oven top box can provide drying hot air for a printing film. At least one roller is rotationally mounted in the drying oven bottom box; an exhaust flow channel for guiding hot air outwards is formed in the oven top box, heat accumulation in the oven mechanism and too fast condensation of printing ink for printing caused by the fact that air flows to the printing ink groove along a printing film are prevented, meanwhile, the hot air can flow in the oven mechanism in order, and therefore heat in the oven mechanism is uniform, and the printing efficiency is improved. And the drying effect of ink on a printing film can be effectively improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of gravure printing machine, concretely is a kind of gravure printing machine oven device. BACKGROUND

[0002] In printing machinery industry, gravure printing machine is a kind of commonly used equipment, its main structure is already familiar to technicians.But there are still some deficiencies in specific detail structure, specifically, each color group needs to dry, and the corresponding special design drying box, and each color group has a drying box.

[0003] The structure of the old drying box (oven) is generally a box body, a slit-shaped air blowing nozzle and an air return hole are arranged on the side of the box body facing the printing film, and this structure causes the problems of small air return amount and slow drying speed in wide printing, so that the printing film cannot be dried in time and the ink residue is high, which easily causes waste products and affects the printing speed of the whole machine.

[0004] The drying process of the oven is to heat the air by the heating component, and the air is converted into wind energy by the external fan, and then guided into the air pipe, and the wind energy is guided to the cutter air outlet near the heating component, so that the hot air transmits heat to the printing film.

[0005] In the existing gravure printing machine, the ink tank is below the plate roller, and the oven is above the plate roller, since the material after printing must be dried, the first process after printing is to dry the ink, so the distance between the oven and the ink tank is relatively close.

[0006] Since there are gaps on the oven for printing film, the wind energy continuously transmits heat to the printing film, which causes the oven to be filled with compressed heat, and in the case of outlet, the heat will run to the outlet along the printing film, which causes the ink used for printing to condense too fast and affects normal printing. INVENTION CONTENTS

[0007] The utility model aims at providing a kind of gravure printing machine oven device to solve the problems raised in the above background.

[0008] To achieve the above object, the utility model provides the following technical scheme:

[0009] A kind of gravure printing machine oven device, including oven mechanism, the oven mechanism is formed with the membrane passage for printing film to enter and exit, and the oven mechanism includes:

[0010] The oven bottom box and the oven top box can be opened and closed, and the oven top box can provide drying hot air to the printing film;

[0011] At least one roller is rotatably installed in the oven bottom box.

[0012] The exhaust flow channel is formed on the top box of the oven.

[0013] The exhaust flow channel comprises an exhaust passage formed on the top box of the oven, and a blower is connected to the exhaust passage to guide the gas outward.

[0014] The oven device for the gravure printing machine as described above: the bottom of the top box of the oven is detachably provided with a second baffle, the bottom of the bottom box of the oven is detachably provided with a first baffle, and a film passing opening is formed between the first baffle and the second baffle for the printing film to pass through.

[0015] The oven device for the gravure printing machine as described above: the second baffle is formed with a triangular slope groove on one side of the top box of the oven, and the gas can change the direction of the downward flow along the triangular slope groove when the gas flows downward.

[0016] The oven device for the gravure printing machine as described above: the drying unit comprises:

[0017] At least one heating mechanism and a plurality of fans installed on the top box of the oven and penetrating through the top box of the oven, and the plurality of fans are opposite to the heating mechanism.

[0018] The oven device for the gravure printing machine as described above: a fan protection cover for protecting the fan is detachably installed on one side of the top box of the oven away from the bottom box of the oven.

[0019] The oven device for the gravure printing machine as described above: a probe type thermocouple is further installed on the inner side of the top box of the oven, and the probe type thermocouple communicates with the temperature control unit of the heating mechanism.

[0020] The oven device for the gravure printing machine as described above: one side of the bottom box of the oven and the top box of the oven is rotatably connected through a plurality of hinges, and the other side is controlled to open and close through a pneumatic cylinder.

[0021] The oven device for the gravure printing machine as described above: a universal bull's eye bearing is installed on one side of the top box of the oven facing the opening and closing of the bottom box of the oven, and the universal bull's eye bearing is in rolling contact with a slide rail sheet metal fixed on the bottom box of the oven.

[0022] Compared with the prior art, the oven device for the gravure printing machine has the beneficial effects that:

[0023] The printed film passes through the film passing port, and the ink on the printed film is dried by the drying unit. The blower generates negative pressure, and the heat in the oven mechanism is led out from the exhaust channel, preventing the heat from accumulating in the oven mechanism. The gas flows along the printed film to the ink tank, causing the ink used for printing to condense too quickly. Meanwhile, the hot gas can flow orderly in the oven mechanism, so that the heat in the oven mechanism is uniform, and the drying effect of the ink on the printed film can be effectively improved.

[0024] The second baffle plate and the triangular slope groove formed on the second baffle plate are arranged, and when the gas flows downward, the gas can change the downward flow direction along the triangular slope groove, further eliminating the gas flowing along the printed film to the ink tank. BRIEF DESCRIPTION OF DRAWINGS

[0025] Figure 1 It is a structural schematic diagram of the oven device of the intaglio printing machine.

[0026] Figure 2 It is a structural schematic diagram of the oven bottom box in the oven device of the intaglio printing machine.

[0027] Figure 3 It is a structural schematic diagram of the oven top box in the oven device of the intaglio printing machine.

[0028] Figure 4 It is a structural schematic diagram of the back of the oven top box in the oven device of the intaglio printing machine.

[0029] Figure 5 It is a schematic diagram of the first baffle plate and the second baffle plate in the oven device of the intaglio printing machine.

[0030] In the figure: 1, wall plate; 2, blower; 3, oven mechanism; 4, oven bottom box; 5, roller; 6, roller bearing seat; 7, oven support; 8, hinge; 9, slide rail sheet metal; 10, oven top box; 11, heating mechanism; 12, probe type thermocouple; 13, exhaust channel; 14, air outlet; 15, fan; 16, temperature adjusting knob; 17, air cylinder; 18, universal bull's eye bearing; 19, fan protective cover; 20, first baffle plate; 21, second baffle plate. DETAILED DESCRIPTION

[0031] Various exemplary embodiments, features, and aspects of the present application will be described in detail below with reference to the accompanying drawings. The same reference numbers in the drawings represent functionally the same or similar elements. Although various aspects of the embodiments are shown in the drawings, the drawings are not necessarily drawn to scale unless specifically indicated.

[0032] The word "exemplary" herein means "serving as an example, an implementation, or illustration". Any implementation described herein as "exemplary" is not necessarily to be construed as preferred or advantageous over other implementations.

[0033] In addition, numerous specific details are set forth in the following description in order to provide a thorough understanding. One skilled in the relevant art will understand, however, that these can be practiced without some or all of these specifics details. In some instances, well known methods, procedures, components, and / or circuits have not been described in detail since that can hinder the understanding of this application.

[0034] Referring to Figures 1-5 The utility model discloses an embossing press oven device, including oven mechanism 3, the oven mechanism 3 is formed with the film that printing film passes in and passes out and is drawn into the mouth, the oven mechanism 3 includes: the oven bottom box 4 of being able to open and close and the oven top box 10, the oven top box 10 can provide the hot air of drying to printing film, the oven bottom box 4 rotates and is installed with at least one cylinder 5 in, the oven top box 10 is formed with the exhaust flow channel that hot air is drawn to the outside on.

[0035] The exhaust flow channel includes the exhaust passage 13 formed on the oven top box 10, the exhaust passage 13 is communicated with the air blower 2 that gas is drawn to the outside.

[0036] The exhaust passage 13 is the cavity in the oven top box 10, and a plurality of through holes for gas entering are formed on one side of the cavity facing the oven bottom box 4. An air outlet 14 is formed at the side end of the cavity, and the air outlet 14 is communicated with the air inlet of the air blower 2 through a connecting pipe.

[0037] The position of the exhaust passage 13 in the oven top box 10 can be selected according to actual needs, and can be located at the upper, middle, or lower position of the oven top box 10. In this embodiment, the position is not specifically limited, and the exhaust passage 13 is preferably located near the printing film passing-in position in the oven top box 10.

[0038] The oven bottom box 4 is fixed with oven support members 7 on both sides, and the oven support members 7 are fixedly connected with the wall plate 1 for supporting the oven mechanism 3, thereby effectively supporting the oven mechanism 3 and ensuring the stability of the oven mechanism 3 during use.

[0039] In this embodiment, the printing film passes through the film passing-in and passing-out port, and the ink on the printing film is dried by the drying unit. The air blower 2 generates negative pressure to draw the heat in the oven mechanism 3 out of the exhaust passage 13, preventing the heat from accumulating in the oven mechanism 3. The gas flows along the printing film to the ink tank, causing the ink used for printing to coagulate too quickly. At the same time, the hot gas can flow orderly in the oven mechanism 3, so that the heat in the oven mechanism 3 is uniform, and the drying effect of the ink on the printing film can be effectively improved.

[0040] It should be noted that Figure 2, the drum bearing seat 6 is symmetrically arranged on the oven bottom box 4, the rotating shaft of the drum 5 is inserted into the drum bearing seat 6 and connected with the bearing arranged in the drum bearing seat 6, the side end of the drum bearing seat 6 is provided with an oil injection hole and a bearing seat cover for sealing the oil injection hole, the oil injection hole is arranged to facilitate the addition of lubricating oil into the drum bearing seat 6, so as to ensure the normal rotation of the drum 5 and prevent the poor rotation of the drum 5 from causing the relative position between the drum 5 and the printing film, thereby eliminating the possibility of scratching the printing film.

[0041] Further, referring to Figure 4 and Figure 5 , the bottom of the oven top box 10 is detachably provided with a second wind baffle 21, the oven bottom box 4 is detachably provided with a first wind baffle 20, the first wind baffle 20 and the second wind baffle 21 form a film passing opening for the printing film to pass through, the first wind baffle 20 and the second wind baffle 21 can effectively reduce the gap between the oven top box 10 and the oven bottom box 4 for the printing film to pass through, thereby reducing the amount of gas flowing out of the gap to a certain extent, in the embodiment, the first wind baffle 20 and the second wind baffle 21 are detachably connected, so that the first wind baffle 20 and the second wind baffle 21 can be easily disassembled, and the distance between the first wind baffle 20 and the second wind baffle 21 can be adjusted according to the use requirement.

[0042] Preferably, the second wind baffle 21 is formed with a triangular slope groove on the side facing the oven top box 10, and the gas can change the direction of downward flow along the triangular slope groove when the gas flows downward.

[0043] In detail, one end of the first wind baffle 20 and the second wind baffle 21 protrudes into the film passing opening between the oven bottom box 4 and the oven top box 10, the triangular slope groove is communicated with the film passing opening, and the side of the triangular slope groove away from the oven bottom box 4 is a grid through hole, therefore, the gas in the oven mechanism 3 can flow out through the triangular slope groove, thereby changing the direction of the gas downward flow and preventing the gas from contacting the ink tank.

[0044] Referring to Figure 3 and Figure 4 , the drying unit comprises at least one heating mechanism 11 and a plurality of fans 15 installed on the oven top box 10 and penetrating the oven top box 10, the plurality of fans 15 are opposite to the heating mechanism 11, and a fan protection cover 19 for protecting the fans 15 is detachably arranged on the side of the oven top box 10 away from the oven bottom box 4.

[0045] The heating mechanism 11 comprises a U-shaped sheet metal, the sheet metal is made of 8K material, the mirror surface of the sheet metal reflects the infrared rays emitted by the infrared heating pipe inward, the infrared heating pipe is arranged in the internal space of the sheet metal, and two rows of evenly distributed strip-shaped holes are processed in the sheet metal for guiding the wind blown out by the fan 15.

[0046] The fan guard 19 is arranged to shield the fan 15 while leaving a flow channel for gas to flow through, thereby preventing the staff from touching the fan 15 by mistake and eliminating the safety hazard while ensuring the fan 15 to guide the air normally.

[0047] The inside of the oven top box 10 is further provided with a probe type thermocouple 12, which communicates with the temperature control unit of the heating mechanism 11, and the probe type thermocouple 12 is arranged to detect the temperature in the oven mechanism 3 and send a signal to the temperature control unit, so that the temperature control unit controls the heating mechanism 11 to change the temperature, thereby realizing automatic control of the temperature in the oven mechanism 3.

[0048] It should be further noted that the oven top box 10 is further provided with a temperature adjusting knob 16, which can actively control the temperature of the heating mechanism 11.

[0049] Further, referring to Figure 2 and Figure 4 , the oven bottom box 4 is rotatably connected to one side of the oven top box 10 through a plurality of hinges 8 and is controlled to open and close through a gas cylinder 17, one end of the gas cylinder 17 is hinged to the oven bottom box 4, and the other end is hinged to the oven top box 10, when the gas cylinder 17 extends and retracts, it can drive the oven top box 10 to rotate relative to the oven bottom box 4 along the hinge 8, thereby realizing the opening and closing control of the oven mechanism 3.

[0050] Preferably, the oven top box 10 is provided with a universal bull's eye bearing 18 on the side facing the opening and closing of the oven bottom box 4, the universal bull's eye bearing 18 is in rolling contact with the slide rail sheet metal 9 fixed on the oven bottom box 4, and the slide rail sheet metal 9 is in rolling contact with the universal bull's eye bearing 18 to provide a certain supporting force for the oven top box 10, preventing the hinge 8 from deforming and affecting the opening and closing of the oven mechanism 3.

[0051] It is obvious to those skilled in the art that the present application is not limited to the details of the above exemplary embodiments, and can be implemented in other specific forms without departing from the spirit or essential characteristics of the present application. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting, and the scope of the present application is defined by the appended claims rather than the above description, and therefore all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present application. Any reference signs in the claims should not be regarded as limiting the claims involved.

[0052] Furthermore, it should be understood that although the specification is described in terms of embodiments, not every embodiment includes every feature described. The specification can include implicit combinations of explicitly mentioned features and / or explicit combinations of implicitely mentioned features. Each embodiment depends on the explicit combinations of features and / or the implicit combinations of features made specifically within that embodiment, and each such embodiment can be combined with every other such embodiment to create further embodiments.

Claims

1. A gravure printing machine drying device, comprising a drying mechanism (3) having a film inlet and outlet formed thereon, the drying mechanism (3) comprising: a drying bottom box (4) and a drying top box (10) capable of being opened and closed, the drying top box (10) capable of providing drying hot air to a printing film; at least one roller (5) rotatably installed in the drying bottom box (4); characterized in that the drying top box (10) is formed with an exhaust flow channel (13) for guiding hot air outward.

2. An oven apparatus for an intaglio printing press according to claim 1, characterized in that The exhaust flow channel comprises an exhaust passage (13) formed on the drying top box (10), and the exhaust passage (13) is communicated with a blower (2) for guiding air outward.

3. An oven apparatus for an intaglio printing press according to claim 1, wherein A second baffle (21) is detachably installed at the bottom of the drying top box (10), and a first baffle (20) is detachably installed on the drying bottom box (4), and the first baffle (20) and the second baffle (21) form a film inlet for the printing film.

4. An oven unit for a gravure printing machine according to claim 3, wherein The second baffle (21) is formed with a triangular slope groove on one side of the drying top box (10), and the air can change the direction of the air when the air is downward.

5. An engraver oven apparatus as claimed in claim 1, wherein, The drying unit comprises: at least one heating mechanism (11) and a plurality of fans (15) installed on the drying top box (10) and penetrating through the drying top box (10), and the plurality of fans (15) are opposite to the heating mechanism (11).

6. An engraver oven apparatus as claimed in claim 5, wherein, A fan protection cover (19) for protecting the fan (15) is detachably installed on the side of the drying top box (10) away from the drying bottom box (4).

7. An engraver oven apparatus as claimed in claim 1, wherein, A probe type thermocouple (12) is also installed on the inside of the drying top box (10), and the probe type thermocouple (12) communicates with the temperature control unit of the heating mechanism (11).

8. An engraver oven apparatus as claimed in claim 1, wherein, The drying bottom box (4) and one side of the drying top box (10) are rotatably connected through a plurality of hinges (8), and the other side is controlled to open and close through a pneumatic cylinder (17).

9. An engraver oven apparatus as claimed in claim 1, wherein, A universal cow eye bearing (18) is installed on the side of the drying top box (10) opposite to the opening and closing of the drying bottom box (4), and the universal cow eye bearing (18) is in rolling contact with a slide rail sheet metal (9) fixed on the drying bottom box (4).

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