CN217574485U - Even hot type printing drying device - Google Patents
Even hot type printing drying device Download PDFInfo
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- CN217574485U CN217574485U CN202221219855.XU CN202221219855U CN217574485U CN 217574485 U CN217574485 U CN 217574485U CN 202221219855 U CN202221219855 U CN 202221219855U CN 217574485 U CN217574485 U CN 217574485U
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Abstract
The utility model discloses a uniform heating type printing drying device, which comprises a drying box, a feeding component and a heating component, wherein a feeding port and a discharging port are arranged on two sides of the drying box, the feeding component comprises a conveying unit, one end of the conveying unit extends into the drying box from the feeding port, and the other end of the conveying unit penetrates out of the drying box from the discharging port; heating element includes heating unit and heat absorption unit, heating unit's air outlet is equidistant array along the transfer path of material and arranges, heat absorption unit sets up between heating unit and transfer unit, and including first density region and second density region, the density in first density region is greater than the density in second density region, form a higher temperature heating region in the drying cabinet, a lower temperature heating region, the moisture of hot gas flow in to printing ink carries out the flash evaporation through higher temperature heating region, carry out gentle evaporation through lower temperature heating region, wrapping paper surface warpage that can avoid long-time drying to arouse, the printing quality of product has been guaranteed.
Description
Technical Field
The utility model belongs to the technical field of the printing of packing goods is dry, in particular to even hot type printing drying device.
Background
At present, a common printing process of a packaging product is to print patterns or characters on the surface of materials such as paper, plastic, leather and the like through a printer, and in order to make printing ink better adhere to the packaging, the printing ink on the packaging needs to be dried, so the drying effect is directly related to the printing quality.
If the ink dries too fast, the excess heat will warp the surface of some thin packaging products, affecting product quality, and the energy consumption is high, if the ink dries too slow, the production efficiency will be affected.
SUMMERY OF THE UTILITY MODEL
Utility model purpose: in order to overcome the defects, the utility model aims to provide a uniform heating type printing and drying device which has simple structure, reasonable design and easy production; the automatic drying machine has the advantages of high automation degree, improved drying efficiency, flexible application and improved quality of printed products.
The technical scheme is as follows: a uniform heating type printing drying device comprises a drying box, a feeding assembly and a heating assembly, wherein the heating assembly is arranged in the drying box, the feeding assembly and the heating assembly are arranged oppositely, a feeding hole and a discharging hole are formed in two sides of the drying box, the feeding assembly comprises a conveying unit, one end of the conveying unit extends into the drying box from the feeding hole, and the other end of the conveying unit penetrates out of the drying box from the discharging hole; the heating assembly comprises a heating unit and a heat absorption unit, an air inlet of the heating unit is communicated with the outside of the drying box, air outlets of the heating unit are arranged in an equidistant array along a conveying path of materials, the heat absorption unit is arranged between the heating unit and the conveying unit and comprises a first density area and a second density area, the first density area is arranged at one end of the conveying unit, the second density area is arranged at the other end of the conveying unit, and the density of the first density area is greater than that of the second density area; during drying, the heat absorption unit absorbs hot air flow output by the heating unit, a high-temperature area is formed above the conveying unit, and the hot air flow continuously output by the heating unit is further supported by the heat absorption unit and finally acts on the surface of the material to realize the drying effect; the hot air flow output by the heating unit is combed when passing through the heat absorption unit, so that the hot air flow state is more stable, and the uniform heating effect is more obvious; the hot air flow passes through the first density area to dry the materials rapidly, and the hot air flow passes through the second density area to dry the materials gently, so that the drying time can be prolonged to fully dry the materials, the surface warping of the paper materials caused by long-time drying can be avoided, and the printing quality of the product is ensured.
Further, in the uniform heating type printing and drying device, the feeding assembly further comprises limiting plates, the limiting plates are arranged on two sides of the conveying unit, and heat collecting plates extending towards the heating unit are arranged at the upper ends of the limiting plates; the position of the material on the conveying unit is limited by the limiting plate, the heat collecting plate can reduce overflow of hot air flow, and partial hot air flow can continuously dry the material under the action of the heat collecting plate, so that the energy utilization rate is improved.
Furthermore, in the uniform heating type printing and drying device, the drying oven further comprises an adjusting unit, the adjusting unit is arranged on two sides of the conveying unit and adjusts the distance between the limiting plates on two sides, the adjusting unit comprises a slide rail and a slide block, the slide rail is arranged on the inner wall of the drying oven, one end of the slide block is connected with the slide rail, and the other end of the slide block is connected with the limiting plate; the heat gathering plates on two sides form a gathering space, the width of the gathering space can be adjusted through the adjusting unit to adapt to materials with different requirements, and an adaptable gathering effect is achieved.
Furthermore, in the uniform heating type printing and drying device, the heat-collecting plate is provided with a plurality of through holes; the through holes play a role in carding airflow, one part of hot airflow reflows to realize the effect of continuous drying, and the other part of hot airflow is discharged, so that the printing quality can be prevented from being influenced by turbulent flow.
Furthermore, the drying oven of the uniform heating type printing and drying device further comprises a first air inlet pipe, a second air inlet pipe and an exhaust pipe, wherein both an air outlet of the first air inlet pipe and an air outlet of the second air inlet pipe are communicated with an air inlet of the heating unit, an air inlet of the first air inlet pipe is communicated with the outside of the drying oven, an air outlet of the exhaust pipe is communicated with an air inlet of the second air inlet pipe, and an air inlet of the exhaust pipe is communicated with the inside of the drying oven; the air outlet of the exhaust pipe is communicated with the air inlet of the second air inlet pipe, and hot air flow exhausted by the drying box directly flows to the second air inlet pipe, so that the hot air flow can be recycled, and the energy consumption of equipment is reduced.
Furthermore, a filter screen is arranged in the exhaust pipe of the uniform heating type printing and drying device; the filter screen filters harmful substances, so that the influence on the printing quality when hot air flow is recycled can be avoided.
Further, foretell even hot type printing drying device, first density region all set up to the metal mesh with the second density region, and the both sides of metal mesh are equipped with the frame, be equipped with a plurality of through-holes on the frame, the connecting piece passes on the through-hole is fixed in the inner wall of drying cabinet with the metal mesh, and the mesh size in first density region is less than the mesh size in second density region.
Above-mentioned technical scheme can find out, the utility model discloses following beneficial effect has:
1. the uniform heating type printing and drying device of the utility model is provided with the heat absorption unit between the heating unit and the transmission unit, the heat absorption unit absorbs the hot air flow output by the heating unit, a high temperature area is formed above the transmission unit, the hot air flow continuously output by the heating unit can be further supported by the heat absorption unit and finally acts on the surface of the material, thereby realizing the drying effect; the heat absorption unit is arranged as a metal wire mesh, and hot air flow output by the heating unit is combed when passing through the heat absorption unit, so that the hot air flow state is more stable, and the uniform heating effect is more remarkable; the heat absorption unit is divided into a first density area and a second density area, the density of the first density area is larger than that of the second density area, hot air flow passes through the first density area to dry the materials quickly, and hot air flow passes through the second density area to dry the materials gently, so that the drying time can be prolonged to fully dry the materials, the surface warping of the paper materials caused by long-time drying can be avoided, and the printing quality of the product is ensured.
2. Limiting plates are arranged on two sides of the conveying unit, heat collecting plates are arranged at the upper ends of the limiting plates, the heat collecting plates extend towards the heating unit, and a part of hot air can flow back under the action of the heat collecting plates to continuously dry the materials, so that heat loss is reduced, and the energy utilization rate is improved; the heat-collecting plate is provided with a plurality of through holes, and the through holes enable a part of airflow to overflow, so that the carding effect is achieved, and the printing quality is prevented from being influenced by turbulent flow; the interval of both sides heat accumulation board can be adjusted to the regulating element, and the interval of adjusting both sides heat accumulation board according to the dry demand of difference can provide better heat accumulation effect.
3. The drying box is externally provided with a first air inlet pipe, a second air inlet pipe and an exhaust pipe, an air inlet of the second air inlet pipe is communicated with an air outlet of the exhaust pipe, hot air of the exhaust pipe can enter the drying box again and is heated again through the heating unit, heat recycling is achieved, and energy consumption of the drying box is reduced.
Drawings
Fig. 1 is a schematic structural view of a uniform heating type printing and drying device provided by the present invention;
fig. 2 is a schematic structural diagram of a conveying unit provided by the present invention;
fig. 3 is a schematic view of the connection between the metal mesh and the drying box provided by the present invention;
fig. 4 is a schematic structural view of another uniform heating type printing and drying apparatus provided by the present invention;
fig. 5 is a schematic structural view of a limiting plate and a heat collecting plate provided by the present invention;
FIG. 6 is a schematic structural view of another heat collecting plate provided by the present invention;
fig. 7 is a schematic structural diagram of an adjusting unit provided by the present invention;
fig. 8 is a schematic view of the adjusting unit according to the present invention;
fig. 9 is a schematic structural view of a first air inlet pipe, a second air inlet pipe and an exhaust pipe provided by the present invention;
in the figure: 1-drying box, 11-feeding port, 12-discharging port, 13-adjusting unit, 131-slide rail, 132-slide block, 14-first air inlet pipe, 15-second air inlet pipe, 16-exhaust pipe, 161-filter screen, 2-feeding component, 21-conveying unit, 22-limiting plate, 221-heat-collecting plate, 2211-through hole, 3-heating component, 31-heating unit, 32-heat-absorbing unit, 321-first density area, 322-second density area, 323-frame and 324-connecting piece.
Detailed Description
The invention will be further elucidated with reference to the drawings and the specific embodiments.
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below by referring to the drawings are exemplary intended for explaining the present invention, and should not be construed as limiting the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, unless otherwise specified, "a plurality" means two or more unless explicitly defined otherwise.
In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the present application, unless expressly stated or limited otherwise, the recitation of a first feature "on" or "under" a second feature may include the recitation of the first and second features being in direct contact, and may also include the recitation of the first and second features not being in direct contact, but being in contact with another feature between them. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. "beneath," "under" and "beneath" a first feature includes the first feature being directly beneath and obliquely beneath the second feature, or simply indicating that the first feature is at a lesser elevation than the second feature.
As shown in fig. 1, the utility model discloses a printing drying device that first embodiment provided, including drying cabinet 1, feeding unit 2 and heating element 3, the lower half of drying cabinet 1 is provided with two openings, is feed inlet 11 and discharge gate 12 respectively, feed inlet 11 sets up with discharge gate 12 relatively, heating element 3 sets up in the first half of drying cabinet 1, feeding unit 2 sets up with heating element 3 relatively, and conveying unit 21 via feed inlet 11 passes through drying cabinet 1 with the material conveying with discharge gate 12, and the material obtains the drying in the data send process, and wherein, conveying unit 21's structure is as shown in fig. 2.
Specifically, heating element 3 includes heating unit 31 and heat absorption unit 32, heating unit 31 sets up in the top of drying cabinet 1, and heating unit 31 includes first fan, second fan and heating pipe, first fan sets up in heating unit 31's air intake, and its external intercommunication with drying cabinet 1, and the air current flow direction of first fan output is from drying cabinet 1 outside to the heating pipe, and the second fan sets up in heating unit 31's air outlet, and the air current flow direction of second fan output is from the heating pipe to heat absorption unit 32, to the material that waits to dry again, and it can be understood that, the quantity of first fan and second fan is set for by operating personnel according to the quantity of waiting to dry the material.
The heat absorbing unit 32 is disposed below the heating unit 31, the heat absorbing unit 32 is disposed as a metal mesh,
as shown in fig. 3, the two sides of the metal net are provided with a frame 323, the frame is provided with a plurality of through holes, the inner wall of the drying oven 1 is provided with a plurality of threaded holes, the threaded holes correspond to the through holes, the connecting member 324 is a bolt, and the bolt passes through the through holes and rotates with the threaded holes to fix the metal net on the inner wall of the drying oven 1.
The metal mesh comprises two density areas which are arranged in parallel, namely a first density area 321 and a second density area 322, wherein the density of the first density area 321 is higher than that of the second density area 322, meshes in the first density area 321 are uniformly distributed, and meshes in the second density area 322 are uniformly distributed, wherein the density of the metal mesh can be embodied in various forms, for example, the mesh size of the first density area 321 is smaller than that of the second density area 322, and the mesh size refers to the average size; it is also possible that the wire diameter of the first density region 321 is larger than that of the second density region 322, which means the average diameter, in the case where the mesh sizes are the same, as long as the first density region 321 absorbs heat more than the second density region 322 per unit time.
In this embodiment, the first density region 321 is disposed at an end close to the feeding port 11 of the drying box 1, and the second density region 322 is disposed at an end far from the feeding port 11 of the drying box 1, it can be understood that the positions of the first density region 321 and the second density region 322 can be set by an operator according to actual production requirements, as shown in fig. 4, in other embodiments, the first density region 321 can be disposed at an end far from the feeding port 11 of the drying box 1, and the second density region 322 can be disposed at an end close to the feeding port 11 of the drying box 1.
When in use, the heating unit 31 is externally connected with a power supply, and the heating pipe starts to work; after the heating pipe is preheated, starting a first fan and a second fan, wherein the first fan continuously guides the external air of the drying box 1 into the heating unit 31, and the second fan outputs hot air flow through an air outlet of the heating unit 31; the output hot air flow firstly reaches the heat absorption unit 32, and a high-temperature area is formed above the transmission unit 21 after the heat absorption unit 32 absorbs heat, so that the effect of heat concentration is achieved, and the heat is prevented from being lost to the periphery; the second fan continuously outputs hot air flow downwards, and the hot air flow can be heated and held when passing through the heat absorption unit 32 and finally acts on the surface of the material to achieve the drying effect.
In addition, there is the density difference in heat absorption unit 32, and the density of feed inlet 11 one end is greater than the density of discharge gate 12 one end, therefore the regional heat of feed inlet 11 one end is greater than the regional heat of discharge gate 12 one end, the material is after getting into drying cabinet 1, accept fast drying earlier, accept slow drying again, the fast drying of anterior segment can evaporate most moisture in the printing ink, dry efficiency has been guaranteed, the slow evaporation of back end can avoid the wrapping paper to arouse wrapping paper surface warpage because of the shrink of losing water fast, the printing quality of product has been guaranteed.
As shown in fig. 5, the printing and drying device provided by the second embodiment of the present invention is substantially the same as the printing and drying device of the first embodiment, except that the two sides of the conveying unit 21 are provided with the limiting plate 22, the upper end of the limiting plate 22 is provided with the heat collecting plate 221, the heat collecting plate 221 extends toward the heating unit 31, as shown in fig. 6, in some embodiments, the upper end of the heat collecting plate 221 can be matched with the two sides of the heat absorbing unit 32 to provide a better heat collecting effect, and in addition, the heat collecting plate 221 can be set to be a straight plate or an arc plate as long as it can prevent gas overflow.
As shown in fig. 5, the heat collecting plate 221 is provided with a plurality of through holes 2211, specifically, the heat collecting plate 221 corresponding to the first density area 321 and the second density area 322 may be divided into a first heat collecting plate and a second heat collecting plate, the first heat collecting plate corresponds to the first density area 321, the second heat collecting plate corresponds to the second density area 322, the size of the through hole 2211 on the first heat collecting plate is smaller than that of the through hole 2211 on the second heat collecting plate, the size of the through hole 2211 is an average size, and the heat collecting capacity of the first heat collecting plate is larger than that of the second heat collecting plate.
As shown in fig. 7, the materials of different materials, the inks of different compositions, the requirement for drying is different, in order to adapt to the above situation, the distance between the limiting plates 22 on both sides of the conveying unit 21 can be adjusted by the adjusting unit 13, so as to provide different heat collecting effects, specifically, the adjusting unit 13 includes a sliding rail 131 and a sliding block 132, the sliding rail 131 is disposed on the inner wall of the drying oven 1, and is perpendicular to the inner wall of the drying oven 1, the sliding block 132 is connected with the sliding rail 131 and the limiting plate 22, the sliding block 132 can be translated on the sliding rail 131, and the driving mode of the sliding block 132 includes, but is not limited to, electric driving, pneumatic driving and manual driving.
When the heat collecting plate is used, hot air flows pass through the heat absorbing unit 32 and then continuously flow downwards, after the hot air flows act on the surface of a material, part of air flow is transmitted to the periphery and is gradually crushed, part of air flow forms backflow after contacting the limiting plate 22 and the heat collecting plate 221, namely returns to an air flow column output by the second fan, the heat collecting plate 221 achieves the effect of concentrating the fine air flow, and the through holes 2211 in the heat collecting plate 221 discharge part of the air flow to avoid turbulence.
The effect of concentrated fine air flow is defined as heat-collecting effect, it can be understood that the heat-collecting effect is related to the distance between the two heat-collecting plates 221, for example, the smaller the distance between the two heat-collecting plates is, the stronger the heat-collecting effect is, and vice versa, it can be understood that the distance between the heat-collecting plates is set by an operator according to actual production needs, and the distance between the heat-collecting plates 221 is related to the distance between the limiting plates 22, therefore, when different batches of materials are processed, the sliding block 132 needs to be slid, so that the distance between the limiting plate 22 and the materials meets the requirements, and the adjusting effect is shown in fig. 8.
As shown in fig. 9, the utility model discloses the printing drying device that the third embodiment provided, it is basically the same with the printing drying device of the first embodiment, the difference lies in, drying cabinet 1 is external to have first air-supply line 14, second air-supply line 15 and exhaust pipe 16, the air outlet of first air-supply line 14 and the air intake intercommunication of heating unit 31, the air outlet of second air-supply line 15 and the air intake intercommunication of heating unit 31, the air intake of second air-supply line 15 and the air outlet intercommunication of exhaust pipe 16, the height of the air intake of exhaust pipe 16 is not higher than the height of transfer unit 21, be provided with filter screen 161 in the exhaust pipe 16, filter screen 161 can filter the harmful substance that produces in the drying process.
When the drying device is used, the first fan introduces air into the heating pipe through the first air inlet pipe 14, the second fan outputs airflow from top to bottom, the dried airflow carrying waste gas is deposited at the bottom of the drying box 1 and is discharged to the outside of the drying box 1 through the exhaust pipe 16, harmful substances in the ink are removed by the airflow through the filter screen 161 in the exhaust pipe 16, the filtered airflow still carries heat, and the airflow finally returns to the heating unit 31 through the second air inlet pipe 15, so that heat energy recovery is realized, and the energy consumption of the device is reduced.
It is conceivable to provide a third fan at the air inlet of the exhaust duct 16, wherein the third fan guides the airflow at the bottom of the drying box 1 into the exhaust duct 16, and the third fan can improve the exhaust efficiency.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications can be made without departing from the principle of the present invention, and these modifications should also be regarded as the protection scope of the present invention.
Claims (7)
1. The utility model provides a even hot type printing drying device, includes drying cabinet (1), pay-off subassembly (2) and heating element (3), heating element (3) set up in drying cabinet (1), pay-off subassembly (2) and heating element (3) set up its characterized in that relatively:
a feeding hole (11) and a discharging hole (12) are formed in two sides of the drying box (1), the feeding assembly (2) comprises a conveying unit (21), one end of the conveying unit (21) extends into the drying box (1) from the feeding hole (11), and the other end of the conveying unit penetrates out of the drying box (1) from the discharging hole (12);
the heating assembly (3) comprises a heating unit (31) and a heat absorption unit (32), an air inlet of the heating unit (31) is communicated with the outside of the drying box (1), an air outlet of the heating unit (31) is arranged in an equidistant array along a conveying path of materials, the heat absorption unit (32) is arranged between the heating unit (31) and the conveying unit (21), the heat absorption unit (32) comprises a first density area (321) and a second density area (322), the first density area (321) is arranged at one end of the conveying unit (21), the second density area (322) is arranged at the other end of the conveying unit (21), and the density of the first density area (321) is greater than that of the second density area (322).
2. A thermally uniform print drying apparatus as claimed in claim 1, wherein: the feeding assembly (2) further comprises limiting plates (22), the limiting plates (22) are arranged on two sides of the conveying unit (21), and heat collecting plates (221) extending to the heating unit (31) are arranged at the upper ends of the limiting plates (22).
3. A thermally uniform print drying apparatus as claimed in claim 2, wherein: drying cabinet (1) is still including adjusting unit (13) that are used for adjusting both sides spacing, adjusting unit (13) set up in the both sides of conveying unit (21), adjusting unit (13) include slide rail (131) and slider (132), slide rail (131) set up on the inner wall of drying cabinet (1), the one end of slider (132) with slide rail (131) link to each other, and its other end links to each other with limiting plate (22).
4. A thermally uniform print drying apparatus as claimed in claim 2, wherein: the heat-collecting plate (221) is provided with a plurality of through holes (2211).
5. A thermally uniform print drying apparatus as defined in claim 1, wherein: drying cabinet (1) still includes first air-supply line (14), second air-supply line (15) and exhaust pipe (16), the air outlet of first air-supply line (14) and the air outlet of second air-supply line (15) all communicate with the air intake of heating element (31), the air intake of first air-supply line (14) and the external world of drying cabinet (1) intercommunication, the air outlet of exhaust pipe (16) and the air intake intercommunication of second air-supply line (15), its air intake and inside intercommunication of drying cabinet (1).
6. A thermally uniform print drying apparatus as claimed in claim 5, wherein: a filter screen (161) is arranged in the exhaust pipe (16).
7. A thermally uniform print drying apparatus as claimed in claim 1, wherein: first density region (321) all set up to the metal mesh with second density region (322), and the both sides of metal mesh are equipped with frame (323), be equipped with a plurality of through-holes on the frame, connecting piece (324) pass the through-hole with the metal mesh be fixed in the inner wall of drying cabinet (1) on, and the mesh size of first density region (321) is less than the mesh size of second density region (322).
Priority Applications (1)
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CN202221219855.XU CN217574485U (en) | 2022-05-19 | 2022-05-19 | Even hot type printing drying device |
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CN202221219855.XU CN217574485U (en) | 2022-05-19 | 2022-05-19 | Even hot type printing drying device |
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CN217574485U true CN217574485U (en) | 2022-10-14 |
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CN202221219855.XU Active CN217574485U (en) | 2022-05-19 | 2022-05-19 | Even hot type printing drying device |
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