CN111674154A - Dusting dryer - Google Patents
Dusting dryer Download PDFInfo
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- CN111674154A CN111674154A CN202010498738.0A CN202010498738A CN111674154A CN 111674154 A CN111674154 A CN 111674154A CN 202010498738 A CN202010498738 A CN 202010498738A CN 111674154 A CN111674154 A CN 111674154A
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- conveying belt
- suction pipe
- powder
- plastic film
- powder feeding
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F23/00—Devices for treating the surfaces of sheets, webs, or other articles in connection with printing
- B41F23/04—Devices for treating the surfaces of sheets, webs, or other articles in connection with printing by heat drying, by cooling, by applying powders
- B41F23/06—Powdering devices, e.g. for preventing set-off
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Abstract
The application provides a dusting drying-machine belongs to and carries out surface treatment's machinery or equipment technical field to the goods that have progressive motion. The automatic powder feeding device comprises a front conveying belt, a powder feeding groove, a powder removing mechanism, a rear conveying belt and a constant temperature control mechanism, wherein the front conveying belt, the powder feeding groove, the powder removing mechanism and the rear conveying belt are sequentially arranged, and the front conveying belt is correspondingly provided with a first suction pipe; the powder feeding groove is a groove with a hole, and a powder feeding brush for promoting the hot melt powder to fall is arranged in a matching manner. Use this application as last powder device and drying device, have the pattern clear, do not turn up, be heated advantage such as even.
Description
Technical Field
The application relates to a dusting dryer, belonging to the technical field of machinery or equipment for carrying out surface treatment on products with progressive motion.
Background
At present, characters and patterns on clothes and the like are mostly attached by a thermal transfer printing method, so that products such as transfer printing paper and the like are derived, and in the process, the characters and the patterns are firstly made into the thermal transfer printing paper for use. In the process of processing the thermal transfer paper, the steps of printing/gluing, powdering, drying, cutting and the like are mainly included, wherein the powdering is easy to cause uneven distribution of hot-melt adhesive powder and more powder scattering residues of non-pattern character parts; and the stoving adopts the oven to accomplish the stoving operation more, with the temperature unified heating in the inside whole space of oven and keep at stoving temperature, in fact the stoving of rendition paper article has only utilized wherein a small part space, not only has the defect that the stoving effect is poor, the wasting of resources is serious, in the heating process, still can have the phenomenon of curling, influences the shaping effect of pattern, curls and levels through additional leveling device, but the fuzzy phenomenon of flower type edge easily appears.
Disclosure of Invention
In view of this, the present application provides a dusting dryer with clear patterns (including figures and characters), no curling and uniform heating.
Specifically, the method is realized through the following scheme:
a dusting dryer comprises a front conveying belt (a suction roller with holes can be adopted), a powder feeding groove, a rear conveying belt (a suction roller with holes can be adopted) and a constant temperature control mechanism, wherein the front conveying belt, the powder feeding groove and the rear conveying belt are sequentially arranged, the front conveying belt is correspondingly provided with a first suction pipe, the powder feeding groove is a perforated groove and is matched with a second suction pipe, a third suction pipe and the constant temperature control mechanism for heating and melting hot melt powder; the suction pipe I, the suction pipe II and the suction pipe III are respectively connected with a suction fan, the suction fan is started, negative pressure is formed between the suction pipe I and the front conveying belt (the front conveying belt can be arranged into a mesh belt with holes, a suction loop formed by the suction pipe I and the holes gives the front conveying belt and a passing plastic film to be processed with negative pressure), a side suction mode can be adopted, the negative pressure is formed between the front conveying belt and the passing plastic film to be processed, at the moment, whether the front conveying belt is the mesh belt or not is not influenced), the negative pressure is formed between the suction pipe II, the suction pipe III and the rear conveying belt (the negative pressure generation mode can be arranged into the mesh belt with holes, the suction loop formed by the suction pipe II, the suction pipe III and the holes gives the rear conveying belt and the passing plastic film to be processed with negative pressure, or the side suction mode can be adopted, the negative pressure is formed between the rear conveying belt and the, at this time, whether the rear conveyer belt is a mesh belt with holes or not is not influenced), and the passing plastic film is instantaneously absorbed with the front conveyer belt and the rear conveyer belt.
According to the plastic film forming device, the plastic film to be processed is leveled and fixed on the corresponding conveying belt in a negative pressure form formed by matching the conveying belt with the suction pipe, so that the plastic film leveling in the conveying process is realized, the plastic film curling caused by heating is avoided, and the forming effect is better; the constant temperature control mechanism is matched with the powder feeding groove and the powder feeding brush, the hot melt powder is uniformly distributed on the plastic film passing through the powder feeding groove, the hot melt powder is heated and melted on the plastic film with the hot melt powder, and the hot melt powder is ensured to be uniformly and fully fused with patterns (characters and figures) on the plastic film.
On the basis of the scheme, the powdering tank is further researched, and the preferable setting is determined as follows: the powder feeding groove is matched with the powder feeding brush in shape, and the powder feeding brush is matched with the powder feeding groove to carry out hot melting powder on the plastic film to be treated passing through the lower part of the powder feeding groove. More preferably, the powder feeding groove is an arc-shaped groove, and the powder feeding brush is cylindrical. The coverage surface of the powder feeding groove is enlarged due to the arrangement of the arc-shaped groove, and the patterns on the plastic film can be ensured to cover the hot melt powder. And a powder accumulation groove is arranged below the powder feeding groove and used for accommodating the falling hot melt powder.
On the basis of the scheme, the powder removing mechanism is further arranged and comprises a rotary table driven by a motor, the rotary table is located between a powder feeding groove and a rear conveying belt and used for applying force to the back side of a plastic film which is subjected to powder feeding and passes through so as to shake off hot melt powder which is not adhered to the plastic film, the rotary table comprises a table body and rotary strips located on the table body, the table body is driven to rotate by the motor, the rotary strips are driven to rotate by the rotation of the table body, and the rotating direction of the rotary strips is crossed with the plastic film running path; or, the turntable comprises a group of the turntable body and a plurality of rotating strips positioned between the group of the turntable body, the turntable body is driven by a motor to rotate, the turntable body rotates to drive the rotating strips to rotate along with the turntable body, the rotating direction of the rotating strips is crossed with the plastic film running path, the turntable body is driven by the motor to rotate, the turntable body rotates to drive the rotating strips to rotate along with the turntable body, the turntable body collides with the back side of a passing plastic film in the rotating process, the plastic film is stressed to shake, and the heat dissipation melting powder attached to the surface, which is not printed. After the conventional hot-melt powder is added, a large amount of hot-melt powder can be attached to the unprinted surface of the plastic film, the attached hot-melt powder can be normally fused on the pattern in the subsequent heating and melting process, and defects can be formed outside the pattern to influence the processing effect; this scheme sets up the carousel with the cooperation of last powder groove, and when the carousel rotated, the strip was changeed to the difference and is carried out the interval to the plastic film of process and beat, makes drop on the plastic film not drop with the adhesive hot melt powder of pattern, when getting into the heating stage, only has the hot melt powder on the pattern, and then can not have the hot melt powder beyond the pattern, avoids adding improper defect phenomenon that causes because of the hot melt powder.
The front conveying belt is a closed loop and is sleeved among a group of front conveying rollers, and the first suction pipe is positioned in the front conveying belt loop among the group of front conveying rollers; the rear conveying belt is a closed loop and is sleeved between the group of rear conveying rollers, and the second suction pipe and the third suction pipe are distributed in the rear conveying belt loop between the group of rear conveying rollers. The suction effect of suction tube one, will be preceding conveyer belt and the process mould between the membrane and take out to low pressure or negative pressure, suction tube two, suction tube three then will back conveyer belt and the process mould between the membrane and take out to low pressure or negative pressure, with the help of low pressure or negative pressure, can be fast with moulding the membrane absorption, not only avoided moulding the heated of membrane to curl, still effectively improved the roughness on membrane surface, when carrying or heating, when melting, the hot melt powder is more even with the combination effect of pattern, pattern definition and boundary line are more clear and definite. More preferably, one side of the preceding conveyer belt of suction tube one orientation is provided with a plurality of suction holes, and one side of conveyer belt is provided with a plurality of suction holes behind suction tube two, the suction tube three orientation, and the setting in suction hole makes suction distribution more even, avoids the uneven plastic film fold that causes of suction.
As a specific case, the above scheme can also be set as follows: a dusting dryer comprises a front conveying belt (a suction roller with holes can be adopted), a dusting groove, a dusting mechanism, a rear conveying belt (a suction roller with holes can be adopted), and a constant temperature control mechanism, wherein the front conveying belt, the dusting groove, a turntable and the rear conveying belt are sequentially arranged, the front conveying belt and the rear conveying belt are both provided with a closed loop belt with holes, and a first suction pipe is arranged in a loop of the front conveying belt; the powder feeding groove is internally provided with a powder feeding brush which is matched with the powder feeding groove, and the hot melting powder is transferred to the passing plastic film to be treated from the powder feeding groove; the powder removing mechanism comprises a rotary table, the rotary table is driven by a motor, and the rotating direction of the rotary table is crossed with the advancing path of the passing plastic film to be treated; a second suction pipe and a third suction pipe are arranged in a loop of the rear conveying belt, and a constant temperature control mechanism for heating the passing plastic film is arranged outside the loop; the first suction pipe, the second suction pipe and the third suction pipe are respectively connected with a suction fan, and the suction fan is started: the suction pipe I works, and sucks the space between the front conveying belt and the passing plastic film to be treated through the holes on the front conveying belt and applies negative pressure to the space; and the suction pipe II and the suction pipe III work to suck the space between the rear conveying belt and the plastic film to be treated passing through the holes on the rear conveying belt and endow negative pressure.
As a specific case, the above scheme can also be set as follows: a dusting dryer comprises a leading-in roller, a front conveying belt, a dusting groove, a dusting mechanism, a rear conveying belt and a leading-out roller, wherein the front conveying belt is provided with a first suction pipe in a matching way; the powder feeding groove is internally provided with a powder feeding brush which is matched with the powder feeding groove, and the hot melting powder is transferred to the passing plastic film to be treated from the powder feeding groove; the powder removing mechanism comprises a rotary table, the rotary table is driven by a motor, and the rotating direction of the rotary table is crossed with the advancing path of the passing plastic film to be treated; the rear conveying belt is provided with a second suction pipe, a third suction pipe and a constant temperature control mechanism for heating the plastic film to be treated in a matching way; the first suction pipe, the second suction pipe and the third suction pipe are respectively connected with a suction fan, and the suction fan is started: the suction pipe I works to endow negative pressure between the front conveying belt and the passing plastic film to be treated; the second suction pipe and the third suction pipe work to endow negative pressure between the rear conveying belt and the passing plastic film to be treated; the plastic film to be treated is conveyed to a front conveyer belt by a guide-in roller, is added with hot melt powder by a powder feeding groove, is shaken off by a turntable to remove redundant hot melt powder, is conveyed to a rear conveyer belt, is heated by a constant temperature control mechanism, is fused with the hot melt powder and is conveyed out by a guide-out roller. In the scheme, the generation modes of negative pressure are multiple, the front conveying belt and the rear conveying belt can be set to be mesh belts with holes, and a suction loop is formed on the corresponding conveying belt through the suction pipe I, the suction pipe II and the suction pipe III respectively to endow the front conveying belt, the rear conveying belt and the passing plastic film to be treated with the negative pressure; or a side suction mode can be adopted, so that negative pressure is respectively formed between the front conveying belt and the rear conveying belt and between the front conveying belt and the rear conveying belt which pass through the plastic film to be treated, and whether the front conveying belt and the rear conveying belt are mesh belts or not is not influenced.
Drawings
FIG. 1 is a schematic overall structure of the present application;
FIG. 2 is a schematic view of the overall structure from another perspective of the present application;
FIG. 3 is a perspective view, partially in section, of the present application;
FIG. 4 is a partial cutaway perspective view of another aspect of the present application;
FIG. 5 is a perspective view of the present application in use (with the single-sided lid removed);
fig. 6 is a schematic side view of the present application (with the single-sided lid removed).
Reference numbers in the figures: A. a printer; B. plastic film; 1. a lead-in roller; 2. a front conveyor belt; 21. a front conveying roller; 3. a powder feeding groove; 31. painting; 32. a first cover plate; 4. a turntable; 41. a powder guide plate; 42. a second cover plate; 43. a tray body; 44. strip turning; 5. a powder accumulation groove; 6. a rear conveyor belt; 61. a rear delivery roller; 611. a motor; 62. a constant temperature control mechanism; 621. heating a tube; 63. a cover plate III; 64. a cover plate IV; 7. a delivery roller; 8. a console; 81. a first suction pipe; 82. a second suction pipe; 83. and a third suction pipe.
Detailed Description
Example 1
The dusting dryer of the embodiment is combined with fig. 2 to 3, and comprises a front conveying belt 2 (adopting a structure of a suction roller with holes), a dusting tank 3 and a rear conveying belt 6 (adopting a structure of a suction roller with holes), wherein the front conveying belt 2, the dusting tank 3 and the rear conveying belt 6 are sequentially arranged, the front conveying belt 2 is correspondingly provided with a first suction pipe 81, the dusting tank 3 is a groove with holes, a second suction pipe 82, a third suction pipe 83 and a constant temperature control mechanism 62 for heating and melting the hot melt powder are correspondingly arranged on the rear conveying belt 6, and the upper dusting brush 31 for promoting the hot melt powder to fall off is cooperatively arranged in the groove with holes; the suction pipe 81, the suction pipe 82 and the suction pipe 83 are respectively connected with a high-power suction fan, the suction fan (not shown in the figure, and a conventional fan can be adopted) is operated and started by the control console 8, negative pressure is formed between the suction pipe 81 and the front conveying belt 2 (the generation mode of the negative pressure is many, the front conveying belt 2 can be set to be a perforated net belt, a suction loop formed by the holes on the suction pipe 81 and the front conveying belt 2 gives the negative pressure to the front conveying belt 2 and the passing plastic film B to be processed), a side suction mode can be adopted, the negative pressure is formed between the front conveying belt 2 and the passing plastic film B to be processed, at the moment, whether the front conveying belt 2 is the perforated net belt or not is not influenced), the negative pressure is formed between the suction pipe 82, the suction pipe 83 and the rear conveying belt 6 (the generation mode of the negative pressure is many, the rear conveying belt 6 can be set to be a perforated net belt, and, endowing the rear conveyer belt 6 and the passing plastic film B to be treated with negative pressure; or a side suction mode can be adopted, so that negative pressure is formed between the rear conveying belt 6 and the passing plastic film B to be treated, at the moment, whether the rear conveying belt 6 is a mesh belt with holes or not is not influenced), and the plastic film to be treated is instantaneously sucked with the front conveying belt and the rear conveying belt when passing through the front conveying belt and the rear conveying belt.
According to the plastic film forming device, the conveying belt is matched with the suction pipe to form a negative pressure mode, and with the combination of the drawing 1, after a pattern is printed on a plastic film B to be processed by the printer A, the plastic film B is sent into the device, and is flattened and fixed on the corresponding conveying belt, so that the plastic film flattening in the conveying process is realized, the plastic film curling caused by heating is avoided, and the forming effect is better; the arranged constant temperature control mechanism 62 is matched with the powder feeding groove 3 and the powder feeding brush 31, the hot melt powder is uniformly distributed on the plastic film B passing through the powder feeding groove 3, the hot melt powder is heated and melted on the plastic film B with the hot melt powder, and the hot melt powder is ensured to be uniformly and fully fused with patterns (characters and figures) on the plastic film B.
As an alternative, the above scheme may be set as follows: the shape of the powder feeding groove 3 is matched with that of the powder feeding brush 31, and the powder feeding brush 31 is matched with the powder feeding groove 3 to carry out hot melting powder on the plastic film to be treated passing through the lower part of the powder feeding groove. More preferably, in conjunction with fig. 3 and 4, the upper chute 3 is an arc-shaped chute, the upper brush 31 is cylindrical, and the upper brush 31 is located in the arc-shaped chute. The coverage surface of the powder feeding groove 3 is enlarged due to the arrangement of the arc-shaped grooves, and the patterns on the plastic film B can be ensured to cover the hot melt powder. A powder accumulation groove 5 can be arranged below the powder feeding groove 3 and used for accommodating the falling hot melt powder.
As an alternative, the above scheme may be set as follows: a powder removing mechanism is arranged between the powder feeding groove 3 and the rear conveying belt 6, the powder removing mechanism comprises a rotary table 4 driven by a motor (not shown in the figure), the rotary table rotates, and force is applied to the back side of the plastic film B through which powder feeding is finished so as to shake off hot melt powder which is not adhered to the plastic film B. The structure of the rotating disk 4 can take various forms, two of which are given below:
the first method is as follows: the turntable 4 comprises a rotating strip 44 with a tray body 43 positioned on the tray body 43, the tray body 43 is driven by a motor (not shown in the figure) to rotate, the tray body 43 drives the rotating strip 44 to rotate, the rotating direction of the rotating strip 44 is crossed with the running path of the plastic film B, and the rotating strip collides with the back side of the passing plastic film B in the rotating process, the plastic film B is stressed and shaken, and the heat dissipation melting powder attached to the surface of the plastic film B is removed.
The second method comprises the following steps: referring to fig. 4, the turntable 4 includes a pair of disc bodies 43 and a plurality of rotating strips 44, the rotating strips 44 are disposed between the pair of disc bodies 43 and intersect with the moving path of the plastic film B, the disc bodies 43 are driven by a motor (not shown) to rotate, the disc bodies 43 rotate to drive the rotating strips 44 to rotate, and collide with the back side of the passing plastic film B in the rotating process, the plastic film B is subjected to shaking, and the heat dissipation melting powder attached to the surface of the plastic film B is removed.
After the conventional hot-melt powder is added, a large amount of hot-melt powder can be attached to the surface of the plastic film, the attached hot-melt powder can be normally fused on the pattern in the subsequent heating and melting process, and defects can be formed outside the pattern to influence the processing effect; in the two types of rotating discs 4, when the disc body 43 rotates, the different rotating strips 44 beat the passing plastic film B at intervals, so that the hot melt powder which falls on the plastic film B and is not bonded with the patterns falls off the plastic film, the purpose of removing powder is realized, when the heating stage is started, the hot melt powder is only on the patterns, and the hot melt powder is not available except the patterns, so that the defect phenomenon caused by improper addition of the hot melt powder is avoided.
As an alternative, the above scheme may be set as follows: referring to fig. 3 to 6, the front conveyor belt 2 is a closed loop, and is sleeved between a set of front conveyor rollers 21, the front conveyor rollers 21 are driven by a motor (not labeled in the figures) to rotate so as to drive the front conveyor belt 2 to operate, and the first suction pipe 81 is located in the front conveyor belt 2 loop between the set of front conveyor rollers 21; the rear conveying belt 6 is a closed loop and is sleeved between a group of rear conveying rollers 61, the rear conveying rollers 61 are rotated by a motor 611 driver to drive the rear conveying belt 6 to rotate, and the second suction pipe 82 and the third suction pipe 83 are distributed in the rear conveying belt 6 loop between the group of rear conveying rollers 61. The suction effect of suction tube one 81 will be preceding 2 with through mould between the membrane B take out to low pressure or negative pressure, suction tube two 82, suction tube three 83 then take out back 6 with through mould between the membrane B take out to low pressure or negative pressure, with the help of low pressure or negative pressure, can be fast with moulding the membrane B absorption, not only avoided moulding the heated of membrane B to curl, still effectively improved the roughness on membrane B surface, when carrying or heating, melt, the hot melt powder is more even with the combination effect of pattern, pattern definition and borderline are more clear and definite.
Preferably, one side of the first suction pipe 81 facing the front conveying belt 2 is provided with a plurality of suction holes, one side of the second suction pipe 82 and the third suction pipe 83 facing the rear conveying belt 6 is provided with a plurality of suction holes, and the suction holes are arranged, so that the suction force distribution is more uniform, and the plastic film wrinkles caused by uneven suction are avoided.
In the above scheme, the negative pressure is generated in many ways, and the front conveying belt 2 and the rear conveying belt 6 can be both provided as perforated mesh belts (as shown in the attached drawings of the present application), and form suction loops with the holes on the corresponding conveying belts through the first suction pipe 81, the second suction pipe 82 and the third suction pipe 83, respectively, so as to apply the negative pressure to the front conveying belt 2, the rear conveying belt 6 and the passing plastic film B to be processed; or a side suction mode (not shown in the figure) can be adopted, so that negative pressure is respectively formed between the front conveying belt 2 and the rear conveying belt 6 and the passing plastic film to be treated, and at the moment, whether the front conveying belt 2 and the rear conveying belt 6 are porous mesh belts or not is not influenced.
In the main-case and alternative-case implementations described above:
(1) the environment for the front conveyer belt 2 is normal temperature, and the rear conveyer belt 6 is used for heating the hot melt powder, so that the front conveyer belt 2 can adopt a common conveyer belt, and the rear conveyer belt 6 needs a heat-resistant and high-temperature-resistant conveyer belt.
(2) In order to avoid the interference of the operating environment to the instruments, an openable cover plate I32 is arranged above the powder feeding groove 3, so that the charging (hot melting powder) is convenient and the working state of the powder feeding groove 3 is convenient to look up; an openable cover plate II 42 is arranged above the rotary table 4, a powder guide plate 41 is arranged between the side edge of the rotary table 4 and the powder accumulation groove 5 according to requirements, and redundant hot melt powder is transferred to the powder accumulation groove 5; a third cover plate 63 is arranged near the inlet of the rear conveying belt 6, and a fourth cover plate 64 is arranged above the constant temperature control mechanism 62 to prevent scalding.
Example 2
The setting and the working principle of the embodiment are the same as those of the embodiment 1, and the difference is that, with reference to fig. 2 to 6, the dusting dryer of the embodiment comprises a front conveying belt 2 (adopting a structure of a suction roller with holes), a powder feeding tank 3, a powder removing mechanism and a rear conveying belt 6 (adopting a structure of a suction roller with holes), wherein the front conveying belt 2, the powder feeding tank 3, the powder removing mechanism and the rear conveying belt 6 are sequentially arranged, the front conveying belt 2 and the rear conveying belt 6 are both closed loop belts with holes, and a first suction pipe 81 is arranged in a loop of the front conveying belt 2; an upper powder coating brush 31 is arranged in the upper powder coating groove 3, the upper powder coating brush 31 is matched with the upper powder coating groove 3, and hot melting powder is transferred to the to-be-treated plastic film B from the upper powder coating groove 3; the powder removing mechanism comprises a rotary disc 4 driven by a motor (not shown in the figure), and the rotation direction of the rotary disc 4 is crossed with the advancing path of the passing plastic film B to be treated; a second suction pipe 82 and a third suction pipe 83 are arranged in a loop of the rear conveying belt 6, and a constant temperature control mechanism 62 for heating the passing plastic film B is arranged outside the loop; the first suction pipe 81, the second suction pipe 82 and the third suction pipe 83 are respectively connected with a suction fan (not shown in the figure), an opening key on the controller 8 is selected, and the suction fan is started: the first suction pipe 81 works to suck and apply negative pressure between the front conveying belt 2 and the passing plastic film B to be treated through the holes on the front conveying belt 2; the second suction pipe 82 and the third suction pipe 83 work to suck and apply negative pressure between the rear conveying belt 6 and the passing plastic film B to be treated through the holes on the rear conveying belt 6.
Example 3
The setting and the working principle of the embodiment are the same as those of the embodiment 1, and the difference is that, with reference to fig. 2 to 6, the dusting dryer of the embodiment comprises a guide roller 1, a front conveyor belt 2 (adopting a structure of a suction roller with holes), a dusting tank 3, a dusting mechanism, a rear conveyor belt 6 (adopting a structure of a suction roller with holes) and a guide roller 7, wherein the front conveyor belt 6 is provided with a first suction pipe 81 in a matching way; an upper powder coating brush 31 is arranged in the upper powder coating groove 3, the upper powder coating brush 31 is matched with the upper powder coating groove 3, and hot melting powder is transferred to the to-be-treated plastic film B from the upper powder coating groove 3; the powder removing mechanism comprises a rotary disc 4 driven by a motor (not shown in the figure), and the rotation direction of the rotary disc 4 is crossed with the advancing path of the passing plastic film B to be treated; the rear conveying belt 6 is provided with a second suction pipe 82, a third suction pipe 83 and a constant temperature control mechanism 62 for heating the plastic film B to be treated in a matching way; the first suction pipe 81, the second suction pipe 82 and the third suction pipe 83 are respectively connected with a suction fan, and the suction fan is started: the first suction pipe 81 works to endow negative pressure between the front conveying belt 2 and the passing plastic film B to be treated; the second suction pipe 82 and the third suction pipe 83 work to endow negative pressure between the rear conveying belt 6 and the passing plastic film B to be treated. The plastic film B to be treated is conveyed to a front conveyer belt 2 through a guide-in roller 1, hot melt powder is added through a powder feeding groove 3, redundant hot melt powder is shaken off through a rotary disc 4 (the shaken off hot melt powder is collected and recycled by a powder accumulation groove 5), then the plastic film B is conveyed to a rear conveyer belt 6, heated by a constant temperature control mechanism 62, fused with the hot melt powder, and then conveyed out through a guide-out roller 7.
In the scheme, the generating mode of the negative pressure is many, the front conveying belt 2 and the rear conveying belt 6 can be set as mesh belts with holes, a suction loop is formed on the corresponding conveying belt through the first suction pipe 81, the second suction pipe 82 and the third suction pipe 83, and the front conveying belt 2, the rear conveying belt 6 and the passing plastic film B to be processed are endowed with the negative pressure; or a side suction mode can be adopted, so that negative pressure is respectively formed between the front conveying belt 2 and the rear conveying belt 6 and the passing plastic film B to be treated, and at the moment, whether the front conveying belt 2 and the rear conveying belt 6 are porous mesh belts or not is not influenced.
Claims (10)
1. The utility model provides a dusting drying-machine which characterized in that: comprises a front conveyer belt, a powder feeding groove, a rear conveyer belt and a constant temperature control mechanism, wherein the front conveyer belt, the powder feeding groove and the rear conveyer belt are arranged in sequence,
the front conveying belt is correspondingly provided with a first suction pipe;
the powder feeding groove is a groove with a hole, and a powder feeding brush for promoting the hot melt powder to fall is arranged in a matching way;
the rear conveying belt is correspondingly provided with a second suction pipe, a third suction pipe and a constant temperature control mechanism for heating the hot melt powder to melt the hot melt powder;
the suction pipe I, the suction pipe II and the suction pipe III are respectively connected with a suction fan, when the suction fan is started, negative pressure is formed between the suction pipe I and the front conveying belt, negative pressure is formed between the suction pipe II and the suction pipe III and the rear conveying belt, and a plastic film to be treated is fixed with the front conveying belt and the rear conveying belt when passing through the front conveying belt and the rear conveying belt;
the plastic film to be treated is sequentially conveyed, powdered, hot melted and naturally cooled by a front conveying belt, a powder feeding groove and a rear conveying belt.
2. A dusting dryer as claimed in claim 1, wherein: the powder feeding groove is matched with the powder feeding brush in shape, and the powder feeding brush is matched with the powder feeding groove to carry out hot melting powder on the plastic film to be treated.
3. A dusting dryer as claimed in claim 2, characterized in that: the upper powder groove is an arc-shaped groove, and the upper powder brush is cylindrical.
4. A dusting dryer as claimed in claim 1, wherein: and a powder accumulation groove is arranged below the powder feeding groove.
5. A dusting dryer as claimed in claim 1, wherein: a powder removing mechanism is arranged between the powder feeding groove and the rear conveying belt and comprises a rotary disc driven by a motor, and the rotation direction of the rotary disc is crossed with the plastic film running path.
6. A dusting dryer as claimed in claim 5, characterized in that: the turntable comprises a turntable body and a rotating strip positioned on the turntable body, the turntable body is driven by a motor to rotate, the turntable body rotates to drive the rotating strip to rotate along with the turntable body, and the rotating direction of the rotating strip is crossed with the plastic film running path; or the turntable comprises a group of the disc bodies and a plurality of rotating strips positioned between the group of the disc bodies, the disc bodies are driven by the motor to rotate, the rotating strips are driven by the rotation of the disc bodies to rotate along with the rotation of the disc bodies, and the rotating direction of the rotating strips is crossed with the plastic film running path.
7. A dusting dryer as claimed in any of claims 1 to 6, characterized in that: the front conveying belt is a closed loop and is sleeved among a group of front conveying rollers, and the first suction pipe is positioned in the front conveying belt loop among the group of front conveying rollers; the rear conveying belt is a closed loop and is sleeved between the group of rear conveying rollers, and the second suction pipe and the third suction pipe are distributed in the rear conveying belt loop between the group of rear conveying rollers.
8. A dusting dryer as claimed in claim 7, characterized in that: one side of the first suction pipe facing the front conveying belt is provided with a plurality of suction holes, and one side of the second suction pipe facing the rear conveying belt and the third suction pipe is provided with a plurality of suction holes.
9. The utility model provides a dusting drying-machine which characterized in that: comprises a front conveying belt, a powder feeding groove, a rotary table, a rear conveying belt and a constant temperature control mechanism, wherein the front conveying belt, the powder feeding groove, a powder removing mechanism and the rear conveying belt are arranged in sequence, the front conveying belt and the rear conveying belt are both porous closed loop belts,
a first suction pipe is arranged in a loop of the front conveying belt;
the powder feeding groove is internally provided with a powder feeding brush which is matched with the powder feeding groove, and the hot melting powder is transferred to the passing plastic film to be treated from the powder feeding groove;
the powder removing mechanism comprises a rotary table driven by a motor, and the rotation direction of the rotary table is crossed with the advancing path of the plastic film to be treated so as to shake off redundant hot melt powder on the surface of the plastic film;
a second suction pipe and a third suction pipe are arranged in a loop of the rear conveying belt, and a constant temperature control mechanism for melting the hot melt powder is arranged outside the loop;
the first suction pipe, the second suction pipe and the third suction pipe are respectively connected with a suction fan, and the suction fan is started: when the first suction pipe works, negative pressure is formed between the front conveying belt and the passing plastic film to be treated; when the second suction pipe and the third suction pipe work, negative pressure is formed between the front conveying belt and the passing plastic film to be treated.
10. The utility model provides a dusting drying-machine which characterized in that: comprises a guide-in roller, a front conveyer belt, a powder feeding groove, a powder removing mechanism, a rear conveyer belt, a constant temperature control mechanism and a guide-out roller,
the front conveying belt is provided with a first suction pipe in a matching way;
the powder feeding groove is internally provided with a powder feeding brush which is matched with the powder feeding groove, and the hot melting powder is transferred to the passing plastic film to be treated from the powder feeding groove;
the powder removing mechanism comprises a turntable driven by a motor, and the rotation direction of the turntable is crossed with the advancing path of the passing plastic film to be treated;
the rear conveying belt is provided with a second suction pipe, a third suction pipe and a constant temperature control mechanism for heating the plastic film to be treated in a matching way;
the first suction pipe, the second suction pipe and the third suction pipe are respectively connected with a suction fan, and the suction fan is started: when the first suction pipe works, negative pressure is formed between the front conveying belt and the passing plastic film to be treated; when the second suction pipe and the third suction pipe work, negative pressure is formed between the front conveying belt and the passing plastic film to be treated;
the plastic film to be treated is conveyed to a front conveyer belt through a guide-in roller, is conveyed to a rear conveyer belt after hot melt powder is added in a powder feeding groove and redundant hot melt powder is removed by a powder removing mechanism, is heated by a constant temperature control mechanism, is fused with the hot melt powder, is naturally cooled, and is conveyed out through a guide-out roller.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2020203782355 | 2020-03-23 | ||
| CN202020378235 | 2020-03-23 |
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| CN111674154A true CN111674154A (en) | 2020-09-18 |
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| CN202010498738.0A Pending CN111674154A (en) | 2020-03-23 | 2020-06-04 | Dusting dryer |
| CN202021009114.XU Active CN212555495U (en) | 2020-03-23 | 2020-06-04 | Dusting dryer |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202021009114.XU Active CN212555495U (en) | 2020-03-23 | 2020-06-04 | Dusting dryer |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113002139A (en) * | 2021-03-08 | 2021-06-22 | 龚志德 | Pyrograph machine convenient to spread hot melt adhesive powder |
| CN115519895A (en) * | 2022-09-30 | 2022-12-27 | 长兴钦氏纺织有限公司 | High-efficient stamp device of rotation textile fabric |
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| CN115519895B (en) * | 2022-09-30 | 2023-11-10 | 长兴钦氏纺织有限公司 | Rotary type efficient textile fabric printing device |
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| CN212555495U (en) | 2021-02-19 |
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Application publication date: 20200918 |
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