Drying oven heating device of photogravure press

Abstract

The utility model relates to the technical field of printing, in particular to a gravure printing machine oven heating device which comprises an oven, a conveying roller and a drying assembly, the conveying roller is installed in the oven, the drying assembly comprises a guide rod, an installation frame, an air blowing nozzle, a guide block, an adjusting plate and a driving component, and the guide rod is fixedly connected with the oven and located in the oven. The installation frame sleeves the outer side of the guide rod and is slidably connected with the guide rod, the blowing nozzle is installed on the installation frame and located on the side, close to the conveying rollers, of the installation frame, the guide block is fixedly connected with the drying oven and located on the inner wall of the drying oven, the adjusting plate is slidably installed on the guide block, and the driving component drives the adjusting plate to ascend and descend. The problem that in the prior art, due to the fact that a spray head rotates and blows air at one point, the temperatures of different areas of a printing stock are different, and the drying uniformity is affected is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of printing, in particular to an oven heating device for a gravure printing machine. Background Art

[0002] Gravure printing is a direct printing method that directly presses the ink contained in the gravure pits onto the substrate. Gravure printing has the advantages of excellent layering performance, correspondence with a variety of substrates, seamless image printing, and good printing quality stability. During the printing process of existing decorative paper, due to the large number of color groups, the ink needs to be dried in the shortest possible time after each printing. However, there is a certain distance between the air holes inside the existing drying oven, so the hot air cannot be fully delivered to the surface of the decorative paper in a short time, reducing the drying efficiency of the oven.

[0003] Prior art CN216231218U discloses a heating device for an oven of a gravure printing machine, comprising an oven, a plurality of symmetrically arranged rotating holes are provided on the top of the oven, a fixed rod is transversely fixed inside the rotating hole, a rotating plate is rotatably sleeved at both ends of the rod wall of the fixed rod, a bolt is threadedly connected to the lower end of the two rotating plates, a connecting block is threadedly connected to the rod wall of the bolt, a nozzle is fixedly provided at the bottom of the connecting block, a plurality of nozzles are connected to the side walls with a shunt pipe, a hot air blower is fixedly provided on the right side of the oven, a main flow pipe is connected to the air outlet of the hot air blower, a plurality of shunt pipes are connected to the main flow pipe, a fixed plate is fixedly provided on the left side of the oven, and a downward pressing mechanism is provided on the top of the fixed plate and above the oven. The present application can enable the nozzle to deliver hot air to the surface of the decorative paper comprehensively by providing fewer nozzles, thereby improving the drying efficiency.

[0004] With regard to the above-mentioned oven heating device of the gravure printing machine, since the nozzle rotates and blows air at one point, the temperature of different areas of the substrate is different, thus affecting the drying uniformity. Utility Model Content

[0005] The utility model aims to provide an oven heating device for a gravure printing machine, which solves the problem in the prior art that different areas of a substrate have different temperatures due to rotating air blowing at one point through a nozzle, thus affecting drying uniformity.

[0006] To achieve the above-mentioned purpose, the utility model provides an oven heating device for a gravure printing machine, comprising an oven, a conveying roller and a drying assembly, wherein the conveying roller is installed in the oven, and the drying assembly comprises a guide rod, a mounting frame, a blowing nozzle, a guide block, an adjustment plate and a driving component, wherein the guide rod is fixedly connected to the oven and is located in the oven, the mounting frame is sleeved on the outside of the guide rod and is slidably connected to the guide rod, the blowing nozzle is installed on the mounting frame and is located on a side of the mounting frame close to the conveying roller, the guide block is fixedly connected to the oven and is located on the inner wall of the oven, the adjustment plate is slidably installed on the guide block, and the driving component drives the adjustment plate to rise and fall.

[0007] The adjusting plate has an oblique groove which penetrates the adjusting plate; the mounting frame has a convex pin which cooperates with the oblique groove.

[0008] Wherein, the driving component includes a connecting block, a driving motor and a screw rod, the connecting block is fixedly connected to the adjusting plate and is located on one side of the adjusting plate; the driving motor is installed on the top of the oven; the screw rod is fixedly connected to the output shaft of the driving motor and is threadedly connected to the connecting block.

[0009] Wherein, the driving component also includes a support seat, which is fixedly connected to the oven and rotationally connected to the screw.

[0010] Wherein, the guide block has a sliding groove, and the sliding groove is located on a side of the guide block close to the adjustment plate; the adjustment plate has a protrusion, and the protrusion cooperates with the sliding groove.

[0011] The utility model discloses an oven heating device for a gravure printing machine, comprising an oven, a conveying roller and a drying component, wherein the conveying roller is installed in the oven, and the drying component comprises a guide rod, a mounting frame, a blowing nozzle, a guide block, an adjusting plate and a driving component, wherein the guide rod is fixedly connected to the oven and is located in the oven, the mounting frame is sleeved on the outer side of the guide rod and is slidably connected to the guide rod, the blowing nozzle is installed on the mounting frame and is located on a side of the mounting frame close to the conveying roller, the guide block is fixedly connected to the oven and is located on the inner wall of the oven, the adjusting plate is slidably installed on the guide block, and the driving component drives the adjusting plate to rise and fall, thereby solving the problem in the prior art that the temperature of different areas of a substrate is different due to the rotating blowing of a nozzle at one point, thereby affecting the drying uniformity. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art are briefly introduced below.

[0013] Figure 1 It is a schematic diagram of the overall structure of the oven heating device of the gravure printing machine according to the first embodiment of the utility model.

[0014] Figure 2 It is a structural schematic diagram of the mounting frame and the adjusting plate of the first embodiment of the utility model.

[0015] Figure 3 It is a structural schematic diagram of the driving component of the first embodiment of the utility model.

[0016] Figure 4 It is a schematic diagram of the overall structure of the oven heating device of the gravure printing machine according to the second embodiment of the utility model.

[0017] In the figure: 101-oven, 102-conveying roller, 103-guide rod, 104-mounting frame, 105-blowing nozzle, 106-guide block, 107-adjusting plate, 108-bevel groove, 109-convex pin, 110-connecting block, 111-driving motor, 112-screw, 113-support seat, 201-sliding groove, 202-protrusion. DETAILED DESCRIPTION

[0018] Embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, but should not be understood as limiting the present invention.

[0019] The first embodiment of the present application is:

[0020] See also Figure 1-Figure 3 , Figure 1 This is a schematic diagram of the overall structure of the oven heating device for a gravure printing machine according to the first embodiment of the utility model. Figure 2 1 is a schematic diagram of the structure of the mounting frame 104 and the adjustment plate 107 of the first embodiment of the utility model. Figure 3 It is a structural schematic diagram of the driving component of the first embodiment of the utility model.

[0021] The utility model of the oven heating device for the gravure printing machine includes an oven 101, a conveying roller 102, a guide rod 103, a mounting frame 104, a blowing nozzle 105, a guide block 106, an adjustment plate 107, an inclined slot 108, a convex pin 109, a connecting block 110, a driving motor 111, a screw 112, and a support seat 113, which solves the problem that the temperature of different areas of the substrate is different due to the rotation of the nozzle at one point, thereby affecting the drying uniformity. It is understandable that the above scheme can also be used to improve the drying efficiency.

[0022] In this embodiment, the oven 101 and the conveying roller 102 are both prior arts. The conveying roller 102 is installed at the inner bottom of the oven 101 for conveying the substrate, and is installed in the oven 101 through the drying component, thereby solving the problem in the prior art that the temperature of different areas of the substrate is different, thereby affecting the drying uniformity, because the nozzle rotates and blows air at one point.

[0023] The guide rod 103 is fixedly connected to the oven 101 and is located inside the oven 101. The mounting frame 104 is sleeved on the outside of the guide rod 103 and is slidably connected to the guide rod 103. The blowing nozzle 105 is mounted on the mounting frame 104 and is located on a side of the mounting frame 104 close to the conveying roller 102. The guide block 106 is fixedly connected to the oven 101 and is located on the inner wall of the oven 101. The adjustment plate 107 is slidably mounted on the guide block 106. The driving component drives the adjustment plate 107 to rise and fall. The guide rod 103 is a smooth cylinder, which is horizontally arranged in the oven 101, and its two ends are respectively fixedly connected to the inner wall of the oven 101 to fix it. The mounting frame 104 has a through hole matching the guide rod 103. The mounting frame 104 is sleeved on the guide rod 103 through the through hole. The mounting frame 104 can slide freely along the guide rod 103. There are multiple mounting frames 104, which are mainly used to install the blowing nozzle 105. The blowing nozzle 105 is installed on the mounting frame 104 through a fixing bracket to blow out The wind direction is downward, and there are multiple guide blocks 106, which are correspondingly mounted on multiple mounting frames 104. The blowing nozzle 105 is connected to an external heating device through a pipeline. The heating device can generate hot air, which is blown out through the blowing nozzle 105 to dry the substrate. There are two guide blocks 106, which are symmetrically arranged on the inner wall of the oven 101. The adjustment plate 107 is a rectangular plate, which is slidably connected to the two guide blocks 106 respectively. The guide blocks 106 can guide the adjustment plate 107. The driving member is used to drive the adjustment plate 10 7 performs vertical reciprocating motion, and the adjusting plate 107 can cooperate with the plurality of mounting frames 104 at the same time when being lifted, thereby driving the plurality of mounting frames 104 to perform horizontal movement at the same time. The vertical reciprocating movement of the adjusting plate 107 drives the plurality of blowing nozzles 105 to perform horizontal reciprocating movement, so that the plurality of blowing nozzles 105 can perform reciprocating drying on the substrate at the same height, thereby improving the uniformity of drying, and solving the problem in the prior art that the temperature of different areas of the substrate is different due to the rotation of the nozzle at one point to blow air, thereby affecting the drying uniformity.

[0024] Secondly, the inclined groove 108 passes through the adjustment plate 107; the convex pin 109 cooperates with the inclined groove 108, the number of the inclined grooves 108 is multiple, matching the number of the mounting frames 104, the multiple inclined grooves 108 are radial, the convex pin 109 matches the number of the inclined grooves 108, the convex pin 109 passes through the inclined groove 108, is constrained by the inclined groove 108, and through the cooperation between the convex pin 109 and the inclined groove 108, the adjustment plate 107 moves while driving the multiple mounting frames 104 to move simultaneously.

[0025] At the same time, the connecting block 110 is fixedly connected to the adjusting plate 107 and is located on one side of the adjusting plate 107; the driving motor 111 is installed on the top of the oven 101; the screw 112 is fixedly connected to the output shaft of the driving motor 111 and is threadedly connected to the connecting block 110, the driving motor 111 is installed on the top of the oven 101 by bolts, and a through hole is opened on the oven 101, the position of the through hole corresponds to the position of the output shaft of the driving motor 111, and the screw 112 passes through the through hole and is connected to the driving motor 111. The output shaft of the driving motor 111 is connected, the connecting block 110 is located at the top of the adjusting plate 107, the connecting block 110 has a threaded through hole, the screw 112 passes through the threaded through hole and is threadedly connected to the connecting block 110, the driving motor 111 is provided with a matching controller, through which the driving motor 111 can be operated in a set direction, speed and time, and the screw 112 is driven to rotate by the driving motor 111, so that the connecting block 110 drives the adjusting plate 107 to rise and fall.

[0026] In addition, the support seat 113 is fixedly connected to the oven 101 and is rotatably connected to the screw 112. The support seat 113 is fixedly installed on the inner top of the oven 101. A bearing is provided on the support seat 113. The screw 112 passes through the bearing and is fixedly connected to the inner ring of the bearing. Through the support seat 113, the screw 112 is stably supported.

[0027] In this embodiment, the substrate is transported on the conveying roller 102, and the drive motor 111 is started. The drive motor 111 can be regularly rotated forward and reversed under the action of the controller, so that the screw 112 can drive the adjustment plate 107 to perform vertical reciprocating motion. When the adjustment plate 107 performs vertical reciprocating motion, with the cooperation of the protruding pin 109 and the inclined groove 108, the multiple mounting frames 104 simultaneously perform horizontal reciprocating motion, thereby driving the multiple blowing nozzles 105 to perform reciprocating sweeping drying on the substrate at the same horizontal height, thereby improving the drying uniformity and solving the problem in the prior art that the temperature of different areas of the substrate is different due to the rotation of the nozzle at one point to blow air, thereby affecting the drying uniformity.

[0028] The second embodiment of the present application is:

[0029] See also Figure 4 , Figure 4 It is a schematic diagram of the overall structure of the oven heating device for a gravure printing machine according to the second embodiment of the utility model. On the basis of the first embodiment, the oven heating device for a gravure printing machine according to this embodiment further includes a sliding groove 201 and a protrusion 202 .

[0030] In this embodiment, the guide block 106 has a sliding groove 201, and the adjustment plate 107 has a protrusion 202. The adjustment plate 107 is guided by the above-mentioned solution.

[0031] Among them, the sliding groove 201 is located on the side of the guide block 106 close to the adjustment plate 107; the protrusion 202 cooperates with the sliding groove 201, the sliding groove 201 is a T-shaped groove in height, and is vertically opened on the guide block 106, and the protrusion 202 is located on both sides of the adjustment plate 107. The protrusion 202 cooperates with the sliding groove 201 to limit the movement of the adjustment plate 107, so that the adjustment plate 107 can only slide vertically, and the guidance of the adjustment plate 107 is achieved through the cooperation of the sliding groove 201 and the protrusion 202.

[0032] What is disclosed above is only one or more preferred embodiments of the present application, and cannot be used to limit the scope of rights of the present application. Ordinary technicians in this field can understand that all or part of the processes of implementing the above embodiments and equivalent changes made according to the claims of the present application are still within the scope covered by the present application.

Claims

1. A gravure printing machine oven heating device, comprising an oven and a conveying roller, wherein the conveying roller is installed in the oven, characterized in that: Also included is a drying component; The drying assembly includes a guide rod, a mounting frame, a blowing nozzle, a guide block, an adjustment plate and a driving member. The guide rod is fixedly connected to the oven and is located in the oven. The mounting frame is sleeved on the outside of the guide rod and is slidably connected to the guide rod. The blowing nozzle is mounted on the mounting frame and is located on a side of the mounting frame close to the conveying roller. The guide block is fixedly connected to the oven and is located on the inner wall of the oven. The adjustment plate is slidably mounted on the guide block. The driving member drives the adjustment plate to rise and fall.

2. The oven heating device for a gravure printing machine according to claim 1, characterized in that: The adjustment plate has an oblique groove, which penetrates through the adjustment plate; the mounting frame has a convex pin, which cooperates with the oblique groove.

3. The oven heating device for a gravure printing machine according to claim 1, characterized in that: The driving component includes a connecting block, a driving motor and a screw rod, wherein the connecting block is fixedly connected to the adjusting plate and is located on one side of the adjusting plate; the driving motor is installed on the top of the oven; the screw rod is fixedly connected to the output shaft of the driving motor and is threadedly connected to the connecting block.

4. The oven heating device for a gravure printing machine according to claim 3, characterized in that: The driving component also includes a support seat, which is fixedly connected to the oven and rotatably connected to the screw.

5. The oven heating device for a gravure printing machine according to claim 1, characterized in that: The guide block has a sliding groove, and the sliding groove is located at a side of the guide block close to the adjustment plate; the adjustment plate has a protrusion, and the protrusion cooperates with the sliding groove.

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