CN212834730U - Hot-air circulation type graining machine - Google Patents
Hot-air circulation type graining machine Download PDFInfo
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- CN212834730U CN212834730U CN202021230434.8U CN202021230434U CN212834730U CN 212834730 U CN212834730 U CN 212834730U CN 202021230434 U CN202021230434 U CN 202021230434U CN 212834730 U CN212834730 U CN 212834730U
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Abstract
The utility model relates to a hot air circulating type graining machine, which comprises a shell, a hot air source and a rotary drum which can rotate and is arranged in the shell, wherein a spiral hot air channel is arranged between the shell and the rotary drum; the hot air channel is internally provided with a plurality of fans which are driven by a driving mechanism arranged on the shell and rotate to force the hot air in the hot air channel and the rotary drum to move towards the air suction pipe. The utility model discloses utilize the hot air supply circulation that has intake pipe and exhaust tube to carry steam, promote steam even flow through spiral helicine hot gas channel and the commentaries on classics cylinder that has the intercommunicating pore simultaneously to but the fan of assisting a plurality of rotations forms air curtain and separation steam at the delivery side, is favorable to improving the processingquality of synthetic leather.
Description
Technical Field
The utility model belongs to the technical field of the technique of synthetic leather processing equipment and specifically relates to a steam cycle formula boarding machine is related to.
Background
The kneading of the synthetic leather or the two layers of leather is realized by the action of water, temperature and mechanical force, so that the base cloth or the two layers of leather shrink to drive the surface resin film to shrink, and the concave-convex feeling of the patterns is clearer. And because the synthetic leather shrinks and has no directionality, patterns on the surface of the synthetic leather generate irregularity similar to real leather, and the effect is more vivid. The process of mechanical softening is carried out while the grain is kneaded, the fibers are looser under the action of mechanical force, and the base cloth or the double-layer leather becomes softer. By kneading the patterns, the surface patterns are improved, the softness of the leather is improved, and the comprehensive improvement of hand feeling and patterns is realized.
Chinese patent with publication number CN210134277U discloses a novel leather graining machine, which comprises a shell, a rotary drum and a heating chamber, wherein the shell is provided with a through hole for leather to pass in and out the rotary drum, the shell is provided with a driving mechanism for driving the rotary drum to rotate, and the heating device is a heat-conducting oil heat exchanger.
The above prior art solutions have the following drawbacks: when in processing, the graining machine generates hot air through the heating device, and the hot air enters the rotary drum through the heating chamber and the air holes on the rotary drum, thereby achieving the purpose of drying the leather. In the process, because the conveying distance of hot air is long, and the hot air enters the shell through the air holes occupying the small section area of the rotary drum, the temperature drop between the section of the rotary drum with the air holes and the section without the air holes is large, and further, the leather is not thoroughly dried, the processing quality is influenced, and improvement is needed.
SUMMERY OF THE UTILITY MODEL
The to-be-solved problem of the utility model is to provide a steam circulation type graining machine that is favorable to improving leather processing quality to the above-mentioned not enough that exists among the prior art.
The above object of the present invention is achieved by the following technical solutions:
a hot air circulating type graining machine comprises a shell, a hot air source and a rotary drum which can rotate and is arranged in the shell, wherein a spiral hot air channel is arranged between the shell and the rotary drum, an air supply pipe and an air exhaust pipe of the hot air source are respectively arranged close to two ends of the shell and are communicated with the hot air channel, and a plurality of communicating holes communicated with the hot air channel are uniformly distributed in the rotary drum; and a plurality of fans are arranged in the hot air channel, and are driven by a driving mechanism arranged on the shell to rotate so as to force the hot air in the hot air channel and the rotary drum to move towards the air suction pipe.
By adopting the technical scheme, during processing, the hot air source generates hot air, the hot air is continuously fed into the rotary drum through the air feeding pipe, the hot air channel and the communicating hole, the rotation of the rotary drum can cause the hot air at the communicating hole to generate centrifugal force, and the hot air in the hot air channel can be guided to move from the air feeding pipe to the air exhaust pipe through the guiding action of the spiral partition wall of the hot air channel, so that the hot air can uniformly flow in the rotary drum; meanwhile, the hot air can dry the synthetic leather in the rotary drum, so that the temperature of the hot air is in a decreasing state and the humidity of the hot air is in an increasing state in the hot air conveying direction from the air supply pipe to the air exhaust pipe, and a plurality of strands of turbulent flows are formed at the section where the air exhaust pipe is located through the fan, so that a layer of air curtain is formed at the discharge end of the shell, and the effect of separating the hot air from water vapor can be achieved; finally, the hot air with the waste heat is heated again through the hot air source, so that the heating efficiency of the hot air can be improved; in the process, hot air is circularly conveyed by using the hot air source with the air inlet pipe and the air exhaust pipe, the spiral hot air channel and the rotary drum with the communicating holes are used for promoting the uniform flow of the hot air, and a plurality of autorotation fans are used for forming an air curtain on the discharge side and separating water vapor, so that the temperature of the hot air in the rotary drum is linearly changed, the water vapor in the rotary drum can be accelerated to be discharged, the synthetic leather can be dried completely and the processing quality of the synthetic leather can be improved.
The utility model discloses further set up to: the device is characterized by further comprising a controller, wherein a detection pipe and a pneumatic valve for controlling the opening and closing of the air supply pipe are arranged on the air supply pipe, a temperature sensor for detecting the temperature of hot air in the hot air channel is arranged on the detection pipe, and a signal receiving end of the controller is electrically connected with the temperature sensor and a control output end of the controller is electrically connected with the pneumatic valve.
Through adopting above-mentioned technical scheme, in the hot-blast source carries steam in-process, be close to the hot gas temperature of air feed pipe department through temperature sensor real time monitoring hot gas passageway, and convert temperature signal into signal of telecommunication transmission to controller, the controller receives this detected signal and converts into control signal control pneumatic valve adjustment aperture, the air feed pipe is carried and is changed thereupon to hot gas flow of hot gas passageway, thereby make the hot gas temperature range in the hot gas passageway tend to unanimity, guarantee the processingquality of synthetic leather.
The utility model discloses further set up to: the driving mechanism comprises a driving motor arranged on the shell, a bevel gear rotationally connected to the shell and a plurality of bevel gears meshed with the bevel gear, an output shaft of the driving motor is fixedly connected with one of the bevel gears, and a rotating shaft of the fan is fixed on the bevel gear.
By adopting the technical scheme, the conical gear and the conical gear ring can realize the force transmission between the two vertical shafts, have the advantages of stable transmission and high transmission ratio, and can realize the purpose of synchronously transmitting the conical gears.
The utility model discloses further set up to: the feed inlet of casing is provided with a pair of pinch rolls, the pinch roll is used for compressing tightly the base cloth and shelters from the feed inlet of casing.
Through adopting above-mentioned technical scheme, compress tightly the feed inlet that the compression roller after the base cloth can shelter from the casing, avoids steam loss.
The utility model discloses further set up to: an annular cavity sleeved outside the hot gas channel is arranged in the shell, and a heat insulation layer composed of an aluminum silicate fiber felt is arranged in the annular cavity.
By adopting the technical scheme, the aluminum silicate fiber felt is high-temperature resistant and good in electrical insulation, and is suitable for being used as a heat-insulating pad material on the periphery of a hot gas channel.
The utility model discloses further set up to: the inner wall of the rotary drum is uniformly coated with an antifouling layer consisting of a nano organic fluorine silicon film.
By adopting the technical scheme, the nano organic fluorine-silicon film has better antifouling and waterproof functions, and can prevent scraps generated in the graining process from being adhered to the inner wall of the rotary drum so as to keep the peripheral wall of the rotary drum at better heat transfer performance.
To sum up, the utility model discloses a beneficial technological effect does: utilize the hot-blast source circulation that has intake pipe and exhaust tube to carry steam, promote steam even flow through spiral helicine hot gas channel and the rotary drum that has the intercommunicating pore simultaneously to but assist the fan of a plurality of rotations to form the air curtain and separate steam at the ejection of compact side, make the steam temperature in the rotary drum be linear change, and can accelerate the steam discharge in the rotary drum, make the synthetic leather can be dried completely fast, be favorable to improving the processingquality of synthetic leather.
Drawings
Fig. 1 is a schematic structural view of a hot air circulation type graining machine of the present invention.
Fig. 2 is a schematic sectional view of the hot air circulation type graining machine of the present invention.
Fig. 3 is a schematic view of the connection relationship between the rotary drum, the fan and the driving mechanism according to the present invention.
In the figure, 1, a housing; 11. a pressure roller; 12. a spiral plate; 13. a hot gas path; 14. an annular cavity; 15. a heat-insulating layer; 2. a hot air source; 21. a box body; 22. an air pump; 23. an air exhaust pipe; 24. an air supply pipe; 3. rotating the roller; 31. a communicating hole; 32. an antifouling layer; 4. a temperature control unit; 41. a controller; 42. a detection tube; 43. a temperature sensor; 44. a pneumatic valve; 5. a fan; 6. a drive mechanism; 61. a drive motor; 62. a conical gear ring; 63. a bevel gear.
Detailed Description
In order to make the utility model realize that technical means, creation characteristics, achievement purpose and effect are clearer and easily understand, it is right to combine below the figure and the detailed implementation mode the utility model discloses do further explanation:
referring to fig. 1 and 2, for the utility model discloses a hot air circulating type boarding machine, including casing 1, set up in hot-blast source 2 of casing 1 upper end and the rotatable rotary drum 3 of installing in casing 1 of rotation, the feed inlet of casing 1 is provided with a pair of pinch roller 11, and pinch roller 11 is used for compressing tightly the base cloth and shelters from the feed inlet of casing 1. The hot air source 2 comprises a box body 21 with a heat conducting oil heat exchanger, an air suction pump 22 connected with an air inlet of the box body 21, an air suction pipe 23 connected with an air inlet of the air suction pump 22, and an air supply pipe 24 connected with an air outlet of the box body 21. The air pump 22 may pump air in the rotary drum 3 and the casing 1 through the air suction pipe 23, send the air into the casing 21, heat and dry the air, and then pump the air into the rotary drum 3 and the casing 1 through the air supply pipe 24.
Referring to fig. 2, in order to promote the hot air to flow uniformly in the rotary drum 3, a spiral plate 12 sleeved outside the rotary drum 3 is fixed on the inner wall of the shell 1, and a spiral hot air channel 13 is built between the spiral plate 12 and the shell 1 and the rotary drum 3. Meanwhile, the peripheral wall of the rotary drum 3 is uniformly distributed with a plurality of communicating holes 31 communicated with the hot gas channel 13, and the air feed pipe 24 and the air exhaust pipe 23 are respectively arranged close to the feed end and the discharge end of the shell 1 and communicated with the hot gas channel 13. During processing, the hot air source 2 generates hot air, the hot air is continuously fed into the rotary drum 3 through the air feeding pipe 24, the hot air channel 13 and the communication hole 31, the hot air at the position of the communication hole 31 can generate centrifugal force due to the rotation of the rotary drum 3, and the hot air in the hot air channel 13 can be guided to move from the air feeding pipe 24 to the air suction pipe 23 through the guiding effect of the spiral partition wall of the hot air channel 13, so that the hot air can uniformly flow in the rotary drum 3.
In addition, in order to improve the heat transfer efficiency, an annular cavity 14 sleeved outside the hot gas channel 13 is arranged in the shell 1, and a heat preservation layer 15 composed of an aluminum silicate fiber felt is arranged in the annular cavity 14. The aluminum silicate fiber felt is high temperature resistant and good in electrical insulation, and is suitable for being used as a heat insulation pad material at the periphery of the hot gas channel 13. Meanwhile, the inner wall of the rotating drum 3 is uniformly coated with an antifouling layer 32 composed of a nano organic fluorine silicon film. The nano organic fluorine-silicon film has better antifouling and waterproof functions, and can prevent scraps generated in the texture kneading process from being adhered to the inner wall of the rotary drum 3, so that the peripheral wall of the rotary drum 3 keeps better heat transfer performance.
In order to realize the uniform feeding of the hot air, the hot air circulation type graining machine further comprises a temperature control unit 4 for detecting the temperature of the hot air at the air inlet end of the hot air channel 13 and adjusting the hot air flow of the air supply pipe 24 so that the temperature of the hot air reaches a preset value. Specifically, the temperature control unit 4 includes a controller 41 disposed at the top of the housing 1, a vertical detection pipe 42 communicated with the air feeding pipe 24, a temperature sensor 43 inserted in the detection pipe 42, and a pneumatic valve 44 disposed on the air feeding pipe 24 and used for controlling the opening and closing of the air feeding pipe 24, wherein a probe of the temperature sensor 43 passes through the air feeding pipe 24 and is inserted in the hot gas channel 13. During adjustment, the temperature sensor 43 monitors the temperature of the hot gas in the hot gas channel 13 near the air feed pipe 24 in real time, the temperature signal is converted into an electric signal and transmitted to the controller 41, the controller 41 receives the detection signal and converts the electric signal into a control signal to control the pneumatic valve 44 to adjust the opening, and the amount of hot gas conveyed to the hot gas channel 13 by the air feed pipe 24 is changed along with the change until the temperature of the hot gas detected by the temperature sensor 43 reaches a preset value, so that the temperature range of the hot gas in the hot gas channel 13 tends to be consistent.
Because the hot air can dry the synthetic leather in the rotary drum 3, the temperature of the hot air is in a decreasing state and the humidity of the hot air is in an increasing state in the hot air conveying direction from the air supply pipe 24 to the air exhaust pipe 23, and therefore the hot air extracted from the air exhaust pipe 23 needs to preliminarily remove water vapor. Seven fans 5 are disposed in the hot air path 13, and the fans 5 are driven and rotated by a driving mechanism 6 provided on the housing 1 to force the hot air in the hot air path 13 and the rotary drum 3 toward the suction duct 23. The fan 5 forms a plurality of turbulent flows at the section where the air exhaust pipe 23 is located, so that the discharge end of the shell 1 forms a layer of air curtain which can play a role in promoting the separation of hot air and water vapor.
Referring to fig. 3, the driving mechanism 6 includes a driving motor 61 provided on the casing 1, a bevel gear 62 rotatably coupled to the casing 1, and seven bevel gears 63 engaged with the bevel gear 62, an output shaft of the driving motor 61 is fixedly coupled to one of the bevel gears 63, and a rotation shaft of the fan 5 is fixed to the bevel gear 63. The bevel gear 63 and the bevel gear ring 62 can realize the force transmission between two vertical shafts, and the bevel gear transmission mechanism has the advantages of smooth transmission and high transmission ratio and can realize the purpose of enabling the bevel gears 63 to synchronously transmit.
Finally, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the present invention can be modified or replaced by other means without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims.
Claims (6)
1. The utility model provides a hot-air circulation formula boarding machine, includes casing (1), hot-blast source (2) and rotatable install in change cylinder (3) in casing (1), its characterized in that: a spiral hot air channel (13) is arranged between the shell (1) and the rotary drum (3), an air feed pipe (24) and an air exhaust pipe (23) of the hot air source (2) are respectively arranged close to two ends of the shell (1) and are communicated with the hot air channel (13), and a plurality of communicating holes (31) communicated with the hot air channel (13) are uniformly distributed in the rotary drum (3); a plurality of fans (5) are arranged in the hot air channel (13), and the fans (5) are driven by a driving mechanism (6) arranged on the shell (1) and rotate to force the hot air in the hot air channel (13) and the rotary drum (3) to move towards the air exhaust pipe (23).
2. The hot air circulation type graining machine as claimed in claim 1, wherein: the device is characterized by further comprising a controller (41), wherein a detection pipe (42) and a pneumatic valve (44) for controlling the opening and closing of the air supply pipe (24) are arranged on the air supply pipe (24), a temperature sensor (43) for detecting the temperature of hot air in the hot air channel (13) is arranged on the detection pipe (42), and a signal receiving end of the controller (41) is electrically connected with the temperature sensor (43) and a control output end of the controller is electrically connected with the pneumatic valve (44).
3. The hot air circulation type graining machine as claimed in claim 1, wherein: the driving mechanism (6) comprises a driving motor (61) arranged on the shell (1), a bevel gear ring (62) rotationally connected to the shell (1) and a plurality of bevel gears (63) meshed with the bevel gear ring (62), an output shaft of the driving motor (61) is fixedly connected with one of the bevel gears (63), and a rotating shaft of the fan (5) is fixed on the bevel gear (63).
4. The hot air circulation type graining machine as claimed in claim 1, wherein: the feed inlet of casing (1) is provided with a pair of pinch rolls (11), pinch rolls (11) are used for compressing tightly the base cloth and shelter from the feed inlet of casing (1).
5. The hot air circulation type graining machine as claimed in claim 1, wherein: an annular cavity (14) sleeved outside the hot gas channel (13) is arranged in the shell (1), and a heat insulation layer (15) composed of an aluminum silicate fiber felt is arranged in the annular cavity (14).
6. The hot air circulation type graining machine as claimed in claim 1, wherein: the inner wall of the rotary drum (3) is uniformly coated with an antifouling layer (32) consisting of a nano organic fluorine silicon film.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021230434.8U CN212834730U (en) | 2020-06-29 | 2020-06-29 | Hot-air circulation type graining machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021230434.8U CN212834730U (en) | 2020-06-29 | 2020-06-29 | Hot-air circulation type graining machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212834730U true CN212834730U (en) | 2021-03-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021230434.8U Active CN212834730U (en) | 2020-06-29 | 2020-06-29 | Hot-air circulation type graining machine |
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|---|---|
| CN (1) | CN212834730U (en) |
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2020
- 2020-06-29 CN CN202021230434.8U patent/CN212834730U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 317100 pupugang Town, three gate County, Taizhou, Zhejiang (Zhejiang three coastal industrial city) Patentee after: Zhejiang Shengda New Material Co.,Ltd. Address before: 317100 pupugang Town, three gate County, Taizhou, Zhejiang (Zhejiang three coastal industrial city) Patentee before: ZHEJIANG SHENGDA LEATHER Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder |