CN110631343A - A hot air drying device for non-woven fabric production - Google Patents

Abstract

The invention proposes a hot air drying device for non-woven fabric production, which includes a shell, in which a first drying chamber, a second drying chamber and a third drying chamber are sequentially arranged from the back to the front; the first There are two first drying components in the drying cavity; the first drying component includes a first support frame, and a first drying channel is provided in the first support frame, and the first drying channel is used to penetrate the non-woven fabric, A group of hot air drying mechanisms are respectively provided on the two inner walls of the first drying channel; the second drying assembly includes a second supporting frame, and a second drying channel is arranged in the second supporting frame, and the second drying channel is used for For penetrating the non-woven fabric, a set of hot-press drying mechanisms are respectively provided on the two inner walls of the second drying channel; the invention greatly improves the drying efficiency and ensures the drying effect.

Description

A hot air drying device for non-woven fabric production

technical field

The invention relates to a drying device, in particular to a hot air drying device for non-woven fabric production.

Background technique

Non-woven fabrics are composed of randomly oriented fibers of a certain length and are a new generation of environmentally friendly materials. In general, non-woven fabrics have the advantages of easy decomposition, low price, non-toxic and renewable. In the prior art, the raw materials for manufacturing non-woven fabrics include cotton fibers and chemical fibers, which are made into nets by physical means to form non-woven fabrics. Since the non-woven fabric has a spunlace setting process in the manufacturing process, it will cause moisture in the non-woven fabric. In order to speed up the drying speed of non-woven fabrics and improve the production efficiency of non-woven fabrics, a drum dryer is provided in the prior art. When the above-mentioned dryer is used to dry the wet non-woven fabric, the non-woven fabric is attached to the drying cylinder of the dryer, and the non-woven fabric is heated by the drying cylinder to speed up the drying speed of the wet non-woven fabric . However, the non-woven fabric is a fluffy woven fabric with a certain thickness, and its thermal conductivity is low, so when the above-mentioned drum dryer is used to dry the non-woven fabric, the drying efficiency is low.

Contents of the invention

Aiming at the above problems, the present invention proposes a hot air drying device for non-woven fabric production, which greatly improves the drying efficiency and ensures the drying effect.

The specific technical scheme is as follows:

A hot air drying device for non-woven fabric production, comprising a housing, in which a first drying chamber, a second drying chamber and a third drying chamber are sequentially arranged from back to front;

The left side wall of the first drying chamber is provided with a feed port, and the first drying chamber is vertically and rotatably provided with a first turning roller, a second turning roller and a third turning roller; the first turning roller corresponds to It is arranged on the right side of the feed inlet, the second turning roller is correspondingly arranged in front of the first turning roller, and the third turning roller is correspondingly arranged on the left side of the second turning roller;

In the second drying chamber, the fourth turning roller, the fifth turning roller, the sixth turning roller and the seventh turning roller are vertically and rotatably arranged; the fourth turning roller is correspondingly arranged in front of the third turning roller, and the fifth turning roller The steering roller is correspondingly arranged on the right side of the fourth steering roller, the sixth steering roller is correspondingly arranged in front of the fifth steering roller, and the seventh steering roller is correspondingly arranged on the left side of the sixth steering roller;

The eighth turning roller, the ninth turning roller and the tenth turning roller are vertically and rotatably arranged in the third drying chamber; the eighth turning roller is correspondingly arranged in front of the seventh turning roller, and the ninth turning roller is correspondingly arranged on the On the right side of the eighth turning roller, the tenth turning roller is correspondingly arranged in front of the ninth turning roller, and the left side wall of the third drying chamber is provided with a discharge port, which is correspondingly arranged on the left side of the tenth turning roller. side;

The left side of the shell is also provided with a feeding roller and a receiving roller, the feeding roller is correspondingly arranged on the left side of the feeding port, and the receiving roller is correspondingly arranged on the left side of the discharging port;

The non-woven fabric that is vertically rolled on the feed roller enters the housing through the feed port, and the first turning roller, the second turning roller, the third turning roller, the fourth turning roller, the fifth turning roller, the first turning roller The six turning rollers, the seventh turning rollers, the eighth turning rollers, the ninth turning rollers and the tenth turning rollers pass through the first drying chamber, the second drying chamber and the third drying chamber in sequence, and then the The feed port passes through and is wound on the take-up roller;

The first drying chamber is provided with two first drying assemblies, and the two first drying assemblies are respectively arranged between the feeding roller and the first turning roller, the second turning roller and the third turning roller; the second drying Two second drying assemblies are arranged in the cavity, and the two second drying assemblies are respectively arranged between the fourth turning roller and the fifth turning roller, the sixth turning roller and the seventh turning roller;

The first drying assembly includes a first supporting frame, and a first drying channel is arranged in the first supporting frame, and the first drying channel is used to penetrate the non-woven fabric. Group hot air drying mechanism;

The hot air drying mechanism includes an upper hot air drying assembly and a lower hot air drying assembly;

The upper hot air drying assembly includes a plurality of vertically arranged upper drying cylinders. The two ends of the upper drying cylinders are respectively provided with a first support shaft, and the two first support shafts are respectively rotatably clamped and fixed on On the first fixed frame on the inner wall of the first drying channel, the coaxial fixed first gear is positioned on the first supporting shaft above, and the coaxially fixed second gear is positioned on the first supporting shaft below; multiple upper drying The drying cylinders are set on the same level, the first gears of multiple upper drying cylinders are connected by the first chain, the second gears of the multiple upper drying cylinders are connected by the second chain, one of the upper drying cylinders The third gear is coaxially fixed on the first gear of the dry cylinder, the third gear is connected with the fourth gear fixed on the first motor through a third chain, and the first motor is arranged outside the first support frame;

The lower hot air drying assembly includes a plurality of vertically arranged lower drying cylinders, two ends of the lower drying cylinders are respectively provided with a second support shaft, and the two second support shafts are rotatably clamped and fixed on preset On the second fixed frame on the inner wall of the first drying channel, the fifth gear is coaxially fixed on the second support shaft above, and the sixth gear is coaxially fixed on the fifth gear, and is located on the second support shaft below Coaxial fixed seventh gear; multiple lower drying cylinders are set on the same level, the lower drying cylinders and the upper drying cylinders are arranged alternately, the sixth gear of any lower drying cylinder and the corresponding upper drying cylinder The second gear meshes with each other, the fifth gears of the plurality of lower drying cylinders are connected through the fourth chain, and the seventh gears of the plurality of lower drying cylinders are connected through the fifth chain;

Both the upper drying cylinder and the lower drying cylinder include a drying cylinder body, a drying chamber is arranged in the drying cylinder body, a plurality of first nozzles are evenly distributed on the outer wall of the drying cylinder body, and the first nozzles are connected with the drying chamber Pass; the top of the upper drying cylinder is provided with a first air intake pipe, the first air intake pipe is coaxial through the bearing and can be rotatably inserted into the drying chamber through the first support shaft, all the first air intake pipes are connected with the first main pipe The bottom of the lower drying cylinder is provided with a second air intake pipe, the second air intake pipe is coaxial through the bearing and can be rotatably inserted into the drying chamber through the first support shaft, all the second air intake pipes are connected with the second main pipeline connected;

The rotation of the first motor drives all the upper drying cylinders to rotate in the same direction, and when the upper drying cylinder rotates, it drives the corresponding lower drying cylinder to rotate in the opposite direction; the non-woven fabric passes through two sets of hot air drying mechanisms vertically Between them, the rotation directions of the upper drying cylinders of the two sets of hot air drying mechanisms are opposite; through the first main pipe and the second main pipe, hot air can be introduced into the drying chamber, and the hot air is sprayed out to the non-woven fabric through the first nozzle. ;

The second drying assembly includes a second support frame, in which a second drying channel is provided, the second drying channel is used to penetrate the non-woven fabric, and two inner side walls of the second drying channel are respectively provided with a Set of hot-press drying mechanism;

The hot-press drying mechanism includes two support plates vertically fixed in the second drying passage, the first hot-press roller group and the second hot-press roller group between the two support plates, and the first hot-press roller group is arranged at the second The top of the second hot pressing roller group;

The first hot pressing roller group includes three first hot pressing rollers stacked vertically, the first hot pressing roller is rotatably arranged between two support plates, and the same side of the three first hot pressing rollers A first transmission gear is respectively fixed on the top, and the three first transmission gears are connected by the first belt. A second transmission gear is coaxially fixed on the top first transmission gear, and the second transmission gear passes through the second The belt is connected with the fourth transmission gear fixed on the second motor, and a third transmission gear is coaxially fixed on the bottom first transmission gear, and the third transmission gear is connected with the seventh transmission gear arranged on the support plate. Mesh;

The second hot pressing roller group includes three second hot pressing rollers stacked vertically, the second hot pressing roller is rotatably arranged between two support plates, and the same side of the three second hot pressing rollers A fifth transmission gear is respectively fixed on the top, and the three fifth transmission gears are connected by a third belt, and a sixth transmission gear is coaxially fixed on the top first transmission gear, and the sixth transmission gear is set on the The eighth transmission gear on the support plate meshes with each other, and the seventh transmission gear and the eighth transmission gear mesh with each other;

The axis direction of the first hot pressing roller and the second hot pressing roller is parallel to the moving direction of the nonwoven fabric, and the heat transfer oil is injected into the first hot pressing roller and the second hot pressing roller;

The rotation of the second motor drives the fourth transmission gear to rotate, and the fourth transmission gear drives three first hot pressing rollers and three second hot pressing rollers to rotate in reverse at the same time; the non-woven fabric passes through the first hot pressing roller vertically Between the first hot pressing roller group and the second hot pressing roller group, the first hot pressing roller and the second hot pressing roller of the two sets of hot pressing drying mechanisms are respectively pressed on the non-woven fabric, and the first hot pressing roller on the left side Turn counterclockwise, and the first heat press roller on the right side turns clockwise.

Further, a group of temperature control components are respectively provided in the first drying chamber, the second drying chamber and the third drying chamber. The temperature control components include a temperature sensor and an air inlet pipe. In the second drying chamber or the third drying chamber, a plurality of air inlet pipes are evenly arranged on the right side wall of the first drying chamber, the second drying chamber or the third drying chamber, and the air inlet pipes are used to Hot air is introduced into the drying chamber, the second drying chamber or the third drying chamber.

Further, the first spray head is fixed on the drying cylinder by screw connection or bonding.

Further, two third drying assemblies are provided in the third drying chamber, and the two third drying assemblies are respectively arranged between the eighth turning roller and the ninth turning roller, the tenth turning roller and the receiving roller;

The third drying component includes two sets of rolling mechanisms, and the non-woven fabric passes between the two sets of rolling mechanisms;

The rolling mechanism includes two vertical and rotatable main support columns fixed in the third drying chamber. An eighth gear and a ninth gear are respectively fixed at the upper and lower ends of the main support column. Between the two eighth gears A sixth chain is tensioned and fixed between the two ninth gears, and a seventh chain is tensioned and fixed between the two ninth gears. There is an internal fixing plate between the two main support columns, and the internal fixing plate is parallel to the sixth chain and the seventh chain. set, and the inner fixing plate is parallel to the moving direction of the non-woven fabric; one of the main support columns is provided with a first sector gear, the first sector meshes with the second sector gear fixed on the third motor, and the third The motor is fixed on the inner fixed plate;

A plurality of upper fixed blocks are evenly distributed below the sixth chain, and a plurality of lower fixed blocks are arranged above the seventh chain corresponding to the upper fixed blocks, and a rotatable fixed block is provided between the upper fixed block and the corresponding lower fixed block. Rolling cylinder, the non-woven fabric is pressed between the rolling cylinders of the two sets of rolling mechanisms; the top and bottom of the rolling cylinder are respectively equipped with a tenth gear, and the upper and lower sides of the inner fixing plate are respectively equipped with One rack, the two tenth gears on the roller can mesh with the two racks respectively;

The rotation of the third motor drives the sixth chain and the seventh chain to rotate, thereby driving the roller cylinder to move accordingly. When the roller cylinder moves to the side in contact with the non-woven fabric, the tenth gear on the roller cylinder and the The corresponding toothed racks are meshed so that the rollers rotate on their own as they move with the sixth chain.

Further, the moving direction of the roller on the side in contact with the non-woven fabric is opposite to that of the non-woven fabric.

The beneficial effects of the present invention are:

(1) The present invention realizes segmental drying of non-woven fabrics, greatly improves drying efficiency, and ensures drying efficiency;

(2) The first drying component dries the non-woven fabric for the first time through the rotating hot air, which can effectively blow off the moisture;

(3) The second drying component heat-presses the non-woven fabric through the first heat-pressing roller and the second heat-pressing roller injected with heat-conducting oil. During the heat-pressing process, the rotation of the first heat-pressing roller and the second heat-pressing roller Can effectively prevent non-woven fabric from curling;

(4) The third drying component can further perform leveling operation on the non-woven fabric during the hot pressing process.

Description of drawings

Fig. 1 is a horizontal sectional view of the present invention;

Fig. 2 is a sectional view of the first drying assembly in Fig. 1 in the direction of A-A;

Fig. 3 is the sectional view of B-B direction in Fig. 2;

Fig. 4 is the sectional view of C-C direction in Fig. 1;

Fig. 5 is a top view of the third drying assembly in Fig. 1;

Fig. 6 is the sectional view of D-D direction in Fig. 5;

Fig. 7 is a sectional view along E-E in Fig. 5 .

reference sign

Housing 1, first drying chamber 2, second drying chamber 3, third drying chamber 4, feed port 5, first turning roller 6, second turning roller 7, third turning roller 8, fourth turning roller Turning roller 9, the fifth turning roller 10, the sixth turning roller 11, the seventh turning roller 12, the eighth turning roller 13, the ninth turning roller 14, the tenth turning roller 15, discharge port 1, feeding roller 17, receiving Material roller 18, non-woven fabric 19, first drying assembly 20, second drying assembly 21, first support frame 22, first drying channel 23, upper hot air drying assembly 24, lower hot air drying assembly 25, Upper drying cylinder 26, first fixed rack 27, first gear 28, second gear 29, first chain 30, second chain 31, third gear 32, first motor 33, fourth gear 34, lower drying Cylinder 35, second fixed frame 36, fifth gear 37, sixth gear 38, seventh gear 39, fourth chain 40, fifth chain 41, drying cylinder 42, drying chamber 43, first nozzle 44, The first air inlet pipe 45, the first main pipe 46, the second air inlet pipe 47, the second main pipe 48, the second support frame 49, the second drying channel 50, the first hot pressing roller 51, the first transmission gear 52, First belt 53, second transmission gear 54, second belt 55, second motor 56, fourth transmission gear 57, third transmission gear 58, seventh transmission gear 59, second hot pressing roller 60, fifth transmission gear 61. The third belt 62, the sixth transmission gear 63, the eighth transmission gear 64, the support plate 65, the air intake pipe 66, the third drying assembly 67, the main support column 68, the eighth gear 69, the ninth gear 70, the Sixth chain 71, seventh chain 72, inner fixing plate 73, first sector gear 74, third motor 75, second sector gear 76, upper fixing block 77, lower fixing block 78, roller cylinder 79, tenth gear 80 , rack 81, second nozzle 82.

Detailed ways

In order to make the technical solution of the present invention clearer, the present invention will be further described below in conjunction with the accompanying drawings. Any solution obtained by equivalent replacement and conventional reasoning of the technical features of the technical solution of the present invention falls within the protection scope of the present invention.

Embodiment one

As shown in the figure, a hot air drying device for non-woven fabric production includes a housing 1, in which there are sequentially arranged a first drying chamber 2, a second drying chamber 3 and a third drying chamber from back to front 4;

The left side wall of the first drying chamber is provided with a feed inlet 5, vertically and rotatably provided with a first turning roller 6, a second turning roller 7 and a third turning roller 8 in the first drying chamber; One turning roller is correspondingly arranged on the right side of the feed inlet, the second turning roller is correspondingly arranged in front of the first turning roller, and the third turning roller is correspondingly arranged on the left side of the second turning roller;

Vertical and rotatable in the second drying chamber are provided with the fourth turning roller 9, the fifth turning roller 10, the sixth turning roller 11 and the seventh turning roller 12; the fourth turning roller is correspondingly arranged on the third turning roller In the front, the fifth turning roller is correspondingly arranged on the right side of the fourth turning roller, the sixth turning roller is correspondingly arranged in front of the fifth turning roller, and the seventh turning roller is correspondingly arranged on the left side of the sixth turning roller;

The eighth turning roller 13, the ninth turning roller 14 and the tenth turning roller 15 are vertically and rotatably provided in the third drying chamber; the eighth turning roller is correspondingly arranged in front of the seventh turning roller, and the ninth turning roller Correspondingly arranged on the right side of the eighth turning roller, the tenth turning roller is correspondingly arranged in front of the ninth turning roller, and the left side wall of the third drying chamber is provided with a discharge port 16, which is correspondingly arranged on the tenth turning roller. the left side of the steering roller;

The left side of the housing is also provided with a feeding roller 17 and a receiving roller 18, the feeding roller is correspondingly arranged on the left side of the feeding port, and the receiving roller is correspondingly arranged on the left side of the discharging port;

The non-woven fabric 19 that vertical roll is arranged on the feeding roller passes in the feed inlet and enters in the housing, at the first diversion roller, the second diversion roller, the 3rd diversion roller, the 4th diversion roller, the 5th diversion roller, After the sixth turning roller, the seventh turning roller, the eighth turning roller, the ninth turning roller and the tenth turning roller pass through the first drying chamber, the second drying chamber and the third drying chamber in turn, the The discharge port passes through and winds up on the take-up roller;

Two first drying assemblies 20 are arranged in the first drying chamber, and the two first drying assemblies are respectively arranged between the feeding roller and the first turning roller, the second turning roller and the third turning roller; Two second drying assemblies 21 are arranged in the dry chamber, and the two second drying assemblies are respectively arranged between the fourth turning roller and the fifth turning roller, the sixth turning roller and the seventh turning roller;

The first drying assembly includes a first support frame 22, and a first drying passage 23 is arranged in the first support frame. The first drying passage is used to penetrate the non-woven fabric. Equipped with a set of hot air drying mechanism;

The hot air drying mechanism includes an upper hot air drying assembly 24 and a lower hot air drying assembly 25;

The upper hot air drying assembly includes a plurality of upper drying cylinders 26 arranged vertically. A first supporting shaft is respectively provided at both ends of the upper drying cylinder, and the two first supporting shafts are rotatably clamped and fixed on preset On the first fixed frame 27 on the inner wall of the first drying channel, the first gear 28 is coaxially fixed on the first support shaft above, and the second gear 29 is coaxially fixed on the first support shaft below; A plurality of upper drying cylinders are arranged on the same level, the first gears of the plurality of upper drying cylinders are connected by the first chain 30, and the second gears of the plurality of upper drying cylinders are connected by the second chain 31. connection, wherein the first gear of one of the upper drying cylinders is coaxially fixed with the third gear 32, the third gear is connected with the fourth gear 34 fixed on the first motor 33 through the third chain, and the first motor is arranged on outside the first supporting frame;

The lower hot air drying assembly includes a plurality of vertically arranged lower drying drums 35, two ends of the lower drying drums are respectively provided with a second support shaft, and the two second support shafts are respectively rotatably clamped and fixed on preset positions. On the second fixed frame 36 on the inner wall of the first drying channel, the fifth gear 37 is coaxially fixed on the second support shaft above, the sixth gear 38 is coaxially fixed on the fifth gear, and the fifth gear 38 is coaxially positioned on the bottom. The coaxial fixed seventh gear 39 on the two supporting shafts; multiple lower drying cylinders are arranged on the same horizontal plane, the lower drying cylinders and the upper drying cylinders are arranged alternately, and the sixth gear of any one of the lower drying cylinders and its corresponding The second gear of the upper drying cylinder is meshed, the fifth gears of the multiple lower drying cylinders are connected by the fourth chain 40, and the seventh gears of the multiple lower drying cylinders are connected by the fifth chain 41. connect;

Both the upper drying cylinder and the lower drying cylinder include a drying cylinder 42, a drying cavity 43 is arranged in the drying cylinder, and a plurality of first nozzles 44 are evenly distributed on the outer wall of the drying cylinder, and the first nozzles are connected with the drying chamber. The dry cavity is connected; the top of the upper drying cylinder is provided with a first air intake pipe 45, the first air intake pipe is coaxial through the bearing and can be rotatably inserted into the drying chamber through the first support shaft, and all the first air intake pipes are connected with the The first main pipe 46 communicates; the bottom of the lower drying cylinder is provided with a second air intake pipe 47, the second air intake pipe is coaxial through the bearing and can be rotatably inserted into the drying chamber through the first support shaft. The intake pipe communicates with the second main pipe 48;

The rotation of the first motor drives all the upper drying cylinders to rotate in the same direction, and when the upper drying cylinder rotates, it drives the corresponding lower drying cylinder to rotate in the opposite direction; the non-woven fabric passes through two sets of hot air drying mechanisms vertically Between them, the rotation directions of the upper drying cylinders of the two sets of hot air drying mechanisms are opposite; through the first main pipe and the second main pipe, hot air can be introduced into the drying chamber, and the hot air is sprayed out to the non-woven fabric through the first nozzle. ;

The second drying assembly includes a second support frame 49, in which a second drying channel 50 is arranged, the second drying channel is used to penetrate the non-woven fabric, and the two inner side walls of the second drying channel are respectively Equipped with a set of hot-press drying mechanism;

The hot-press drying mechanism includes two support plates 65 vertically fixed in the second drying channel, between the two support plates the first heat-press roller group and the second heat-press roller group, and the first heat-press roller group is arranged on Above the second hot pressing roller group;

The first hot pressing roller group includes three first hot pressing rollers 51 that are superimposed on the vertical direction. The first hot pressing rollers are rotatably arranged between two supporting plates. One first transmission gear 52 is respectively fixed on the side, and the first transmission gear 53 is connected between the three first transmission gears, and a second transmission gear 54 is coaxially fixed on the first transmission gear located at the top, and the second transmission gear The gear is connected with the fourth transmission gear 57 fixed on the second motor 56 through the second belt 55, and a third transmission gear 58 is coaxially fixed on the first transmission gear located at the bottom, and the third transmission gear is arranged on the bottom of the first transmission gear. The seventh transmission gear 59 on the support plate is meshed;

The second hot pressing roller group includes three second hot pressing rollers 60 that are superimposed on the vertical direction, and the second hot pressing rollers are rotatably arranged between two support plates. A fifth transmission gear 61 is respectively fixed on the side, and the three fifth transmission gears are connected by a third belt 62, and a sixth transmission gear 63 is coaxially fixed on the top first transmission gear, and the sixth transmission gear The gear meshes with the eighth transmission gear 64 arranged on the support plate, and the seventh transmission gear and the eighth transmission gear mesh with each other;

The axis direction of the first hot pressing roller and the second hot pressing roller is parallel to the moving direction of the nonwoven fabric, and the heat transfer oil is injected into the first hot pressing roller and the second hot pressing roller;

The rotation of the second motor drives the fourth transmission gear to rotate, and the fourth transmission gear drives three first hot pressing rollers and three second hot pressing rollers to rotate in reverse at the same time; the non-woven fabric passes through the first hot pressing roller vertically Between the first hot pressing roller group and the second hot pressing roller group, the first hot pressing roller and the second hot pressing roller of the two sets of hot pressing drying mechanisms are respectively pressed on the non-woven fabric, and the first hot pressing roller on the left side Turn counterclockwise, and the first heat press roller on the right side turns clockwise.

Further, a group of temperature control components are respectively arranged in the first drying chamber, the second drying chamber and the third drying chamber, the temperature control components include a temperature sensor and an air inlet pipe 66, and the temperature sensors are respectively arranged in the first drying chamber 1. In the second drying chamber or the third drying chamber, a plurality of air inlet pipes are evenly arranged on the right side wall of the first drying chamber, the second drying chamber or the third drying chamber, and the air inlet pipes are used to Hot air is introduced into the first drying chamber, the second drying chamber or the third drying chamber.

Further, the first spray head is fixed on the drying cylinder by screw connection or bonding.

Working principle of the present invention is:

(1) The non-woven fabric to be dried enters the first drying chamber, the first motor rotates to drive all the upper drying cylinders to rotate in the same direction, and when the upper drying cylinder rotates, it drives the corresponding lower drying cylinder to complete Reverse rotation; the non-woven fabric passes vertically between the two sets of hot air drying mechanisms, and the rotation direction of the upper drying cylinders of the two sets of hot air drying mechanisms is opposite; through the first main pipe and the second main pipe, the drying The hot air is passed into the dry cavity, and the hot air is sprayed to the non-woven fabric through the first nozzle, and the non-woven fabric is dried for the first time;

(2) Then the non-woven fabric enters the second drying chamber, the second motor rotates to drive the fourth transmission gear to rotate, and the fourth transmission gear drives three first hot pressing rollers and three second hot pressing rollers to reverse direction at the same time Rotation; the non-woven fabric passes vertically between the first hot pressing roller group and the second hot pressing roller group, and the first hot pressing roller and the second hot pressing roller of the two sets of hot pressing drying mechanisms respectively press together On the non-woven fabric, the first hot-press roller on the left side rotates counterclockwise, and the first hot-press roller on the right side turns clockwise, thereby drying the non-woven fabric for the second time;

(3) After the second drying, the non-woven fabric enters the third drying chamber for constant temperature treatment and is then wound up by the take-up roller;

(4) Monitor the temperature in the first drying chamber, the second drying chamber and the third drying chamber in real time through the temperature sensor. to adjust the temperature.

Embodiment two

As shown in the figure, a hot air drying device for the production of non-woven fabrics includes a shell, and the shell is sequentially provided with a first drying chamber, a second drying chamber and a third drying chamber from the back to the front;

The left side wall of the first drying chamber is provided with a feed port, and the first drying chamber is vertically and rotatably provided with a first turning roller, a second turning roller and a third turning roller; the first turning roller corresponds to It is arranged on the right side of the feed inlet, the second turning roller is correspondingly arranged in front of the first turning roller, and the third turning roller is correspondingly arranged on the left side of the second turning roller;

In the second drying chamber, the fourth turning roller, the fifth turning roller, the sixth turning roller and the seventh turning roller are vertically and rotatably arranged; the fourth turning roller is correspondingly arranged in front of the third turning roller, and the fifth turning roller The steering roller is correspondingly arranged on the right side of the fourth steering roller, the sixth steering roller is correspondingly arranged in front of the fifth steering roller, and the seventh steering roller is correspondingly arranged on the left side of the sixth steering roller;

The eighth turning roller, the ninth turning roller and the tenth turning roller are vertically and rotatably arranged in the third drying chamber; the eighth turning roller is correspondingly arranged in front of the seventh turning roller, and the ninth turning roller is correspondingly arranged on the On the right side of the eighth turning roller, the tenth turning roller is correspondingly arranged in front of the ninth turning roller, and the left side wall of the third drying chamber is provided with a discharge port, which is correspondingly arranged on the left side of the tenth turning roller. side;

The left side of the shell is also provided with a feeding roller and a receiving roller, the feeding roller is correspondingly arranged on the left side of the feeding port, and the receiving roller is correspondingly arranged on the left side of the discharging port;

The non-woven fabric that is vertically rolled on the feed roller enters the housing through the feed port, and the first turning roller, the second turning roller, the third turning roller, the fourth turning roller, the fifth turning roller, the first turning roller The six turning rollers, the seventh turning rollers, the eighth turning rollers, the ninth turning rollers and the tenth turning rollers pass through the first drying chamber, the second drying chamber and the third drying chamber in sequence, and then the The feed port passes through and is wound on the take-up roller;

The first drying chamber is provided with two first drying assemblies, and the two first drying assemblies are respectively arranged between the feeding roller and the first turning roller, the second turning roller and the third turning roller; the second drying Two second drying assemblies are arranged in the cavity, and the two second drying assemblies are respectively arranged between the fourth turning roller and the fifth turning roller, the sixth turning roller and the seventh turning roller;

The first drying assembly includes a first supporting frame, and a first drying channel is arranged in the first supporting frame, and the first drying channel is used to penetrate the non-woven fabric. Group hot air drying mechanism;

The hot air drying mechanism includes an upper hot air drying assembly and a lower hot air drying assembly;

The upper hot air drying assembly includes a plurality of vertically arranged upper drying cylinders. The two ends of the upper drying cylinders are respectively provided with a first support shaft, and the two first support shafts are respectively rotatably clamped and fixed on On the first fixed frame on the inner wall of the first drying channel, the coaxial fixed first gear is positioned on the first supporting shaft above, and the coaxially fixed second gear is positioned on the first supporting shaft below; multiple upper drying The drying cylinders are set on the same level, the first gears of multiple upper drying cylinders are connected by the first chain, the second gears of the multiple upper drying cylinders are connected by the second chain, one of the upper drying cylinders The third gear is coaxially fixed on the first gear of the dry cylinder, the third gear is connected with the fourth gear fixed on the first motor through a third chain, and the first motor is arranged outside the first support frame;

The lower hot air drying assembly includes a plurality of vertically arranged lower drying cylinders, two ends of the lower drying cylinders are respectively provided with a second support shaft, and the two second support shafts are rotatably clamped and fixed on preset On the second fixed frame on the inner wall of the first drying channel, the fifth gear is coaxially fixed on the second support shaft above, and the sixth gear is coaxially fixed on the fifth gear, and is located on the second support shaft below Coaxial fixed seventh gear; multiple lower drying cylinders are set on the same level, the lower drying cylinders and the upper drying cylinders are arranged alternately, the sixth gear of any lower drying cylinder and the corresponding upper drying cylinder The second gear meshes with each other, the fifth gears of the plurality of lower drying cylinders are connected through the fourth chain, and the seventh gears of the plurality of lower drying cylinders are connected through the fifth chain;

Both the upper drying cylinder and the lower drying cylinder include a drying cylinder body, a drying chamber is arranged in the drying cylinder body, a plurality of first nozzles are evenly distributed on the outer wall of the drying cylinder body, and the first nozzles are connected with the drying chamber Pass; the top of the upper drying cylinder is provided with a first air intake pipe, the first air intake pipe is coaxial through the bearing and can be rotatably inserted into the drying chamber through the first support shaft, all the first air intake pipes are connected with the first main pipe The bottom of the lower drying cylinder is provided with a second air intake pipe, the second air intake pipe is coaxial through the bearing and can be rotatably inserted into the drying chamber through the first support shaft, all the second air intake pipes are connected with the second main pipeline connected;

The rotation of the first motor drives all the upper drying cylinders to rotate in the same direction, and when the upper drying cylinder rotates, it drives the corresponding lower drying cylinder to rotate in the opposite direction; the non-woven fabric passes through two sets of hot air drying mechanisms vertically Between them, the rotation directions of the upper drying cylinders of the two sets of hot air drying mechanisms are opposite; through the first main pipe and the second main pipe, hot air can be introduced into the drying chamber, and the hot air is sprayed out to the non-woven fabric through the first nozzle. ;

The second drying assembly includes a second support frame, in which a second drying channel is provided, the second drying channel is used to penetrate the non-woven fabric, and two inner side walls of the second drying channel are respectively provided with a Set of hot-press drying mechanism;

The hot-press drying mechanism includes two support plates vertically fixed in the second drying passage, the first hot-press roller group and the second hot-press roller group between the two support plates, and the first hot-press roller group is arranged at the second The top of the second hot pressing roller group;

The first hot pressing roller group includes three first hot pressing rollers stacked vertically, the first hot pressing roller is rotatably arranged between two support plates, and the same side of the three first hot pressing rollers A first transmission gear is respectively fixed on the top, and the three first transmission gears are connected by the first belt. A second transmission gear is coaxially fixed on the top first transmission gear, and the second transmission gear passes through the second The belt is connected with the fourth transmission gear fixed on the second motor, and a third transmission gear is coaxially fixed on the bottom first transmission gear, and the third transmission gear is connected with the seventh transmission gear arranged on the support plate. Mesh;

The second hot pressing roller group includes three second hot pressing rollers stacked vertically, the second hot pressing roller is rotatably arranged between two support plates, and the same side of the three second hot pressing rollers A fifth transmission gear is respectively fixed on the top, and the three fifth transmission gears are connected by a third belt, and a sixth transmission gear is coaxially fixed on the top first transmission gear, and the sixth transmission gear is set on the The eighth transmission gear on the support plate meshes with each other, and the seventh transmission gear and the eighth transmission gear mesh with each other;

The axis direction of the first hot pressing roller and the second hot pressing roller is parallel to the moving direction of the nonwoven fabric, and the heat transfer oil is injected into the first hot pressing roller and the second hot pressing roller;

The rotation of the second motor drives the fourth transmission gear to rotate, and the fourth transmission gear drives three first hot pressing rollers and three second hot pressing rollers to rotate in reverse at the same time; the non-woven fabric passes through the first hot pressing roller vertically Between the first hot pressing roller group and the second hot pressing roller group, the first hot pressing roller and the second hot pressing roller of the two sets of hot pressing drying mechanisms are respectively pressed on the non-woven fabric, and the first hot pressing roller on the left side Turn counterclockwise, and the first heat press roller on the right side turns clockwise.

Further, a group of temperature control components are respectively provided in the first drying chamber, the second drying chamber and the third drying chamber. The temperature control components include a temperature sensor and an air inlet pipe. In the second drying chamber or the third drying chamber, a plurality of air inlet pipes are evenly arranged on the right side wall of the first drying chamber, the second drying chamber or the third drying chamber, and the air inlet pipes are used to Hot air is introduced into the drying chamber, the second drying chamber or the third drying chamber.

Further, the first spray head is fixed on the drying cylinder by screw connection or bonding.

Further, two third drying assemblies 67 are arranged in the third drying chamber, and the two third drying assemblies are respectively arranged between the eighth turning roller and the ninth turning roller, the tenth turning roller and the receiving roller ;

The third drying component includes two sets of rolling mechanisms, and the non-woven fabric passes between the two sets of rolling mechanisms;

The rolling mechanism includes two vertical and rotatable main support columns 68 fixed in the third drying chamber, an eighth gear 69 and a ninth gear 70 are respectively fixed at the upper and lower ends of the main support columns, and the two second gears A sixth chain 71 is tensioned and fixed between the eight gears, a seventh chain 72 is tensioned and fixed between the two ninth gears, and an inner fixing plate 73 is arranged between the two main support columns, and the inner fixing plate and the sixth The chain and the seventh chain are arranged in parallel, and the inner fixed plate is parallel to the moving direction of the non-woven fabric; one of the main support columns is provided with a first sector gear 74, and the first sector is fixed on the third motor 75. The two sector gears 76 are meshed, and the third motor is fixed on the inner fixed plate;

The bottom of the sixth chain is evenly distributed with a plurality of upper fixed blocks 77, and the top of the seventh chain is provided with a plurality of lower fixed blocks 78 corresponding to the upper fixed block, and the rotatable setting between the upper fixed block and the corresponding lower fixed block There is a rolling cylinder 79, and the non-woven fabric is pressed between the rolling cylinders of the two sets of rolling mechanisms; the top and bottom of the rolling cylinder are respectively provided with a tenth gear 80, and the upper and lower sides of the internal fixing plate are respectively There is a rack 81 horizontally, and the two tenth gears on the roller can mesh with the two racks respectively;

The rotation of the third motor drives the sixth chain and the seventh chain to rotate, thereby driving the roller cylinder to move accordingly. When the roller cylinder moves to the side in contact with the non-woven fabric, the tenth gear on the roller cylinder and the The corresponding toothed racks are meshed so that the rollers rotate on their own as they move with the sixth chain.

Further, the moving direction of the roller on the side in contact with the non-woven fabric is opposite to that of the non-woven fabric.

Further, the bottom of the seventh chain is provided with a circle of support assembly, and the support assembly includes a base, and a support roller is rotatably provided on the base, and the support roller is used to support the pressing roller arranged above.

Further, a second nozzle 82 is provided on the inner fixing plate, and the second nozzle is used to spray hot air to the non-woven fabric.

Working principle of the present invention is:

(1) The non-woven fabric to be dried enters the first drying chamber, the first motor rotates to drive all the upper drying cylinders to rotate in the same direction, and when the upper drying cylinder rotates, it drives the corresponding lower drying cylinder to complete Reverse rotation; the non-woven fabric passes vertically between the two sets of hot air drying mechanisms, and the rotation direction of the upper drying cylinders of the two sets of hot air drying mechanisms is opposite; through the first main pipe and the second main pipe, the drying The hot air is passed into the dry cavity, and the hot air is sprayed to the non-woven fabric through the first nozzle, and the non-woven fabric is dried for the first time;

(2) Then the non-woven fabric enters the second drying chamber, the second motor rotates to drive the fourth transmission gear to rotate, and the fourth transmission gear drives three first hot pressing rollers and three second hot pressing rollers to reverse direction at the same time Rotation; the non-woven fabric passes vertically between the first hot pressing roller group and the second hot pressing roller group, and the first hot pressing roller and the second hot pressing roller of the two sets of hot pressing drying mechanisms respectively press together On the non-woven fabric, the first hot-press roller on the left side rotates counterclockwise, and the first hot-press roller on the right side turns clockwise, thereby drying the non-woven fabric for the second time;

(3) Then the non-woven fabric enters the third drying chamber, and the third motor rotates to drive the sixth chain and the seventh chain to rotate, thereby driving the roller to move accordingly. When contacting one side, the tenth gear on the rolling cylinder meshes with the corresponding rack, so that the rolling cylinder rotates itself while moving with the sixth chain, and the non-woven fabric is further compressed during the rolling process. leveling operation;

(4) After the third drying, the non-woven fabric enters the third drying chamber for constant temperature treatment and is then rewound by the take-up roller;

(5) Monitor the temperature in the first drying chamber, the second drying chamber and the third drying chamber in real time through the temperature sensor. to adjust the temperature.

Claims (9)

1. A hot air drying device for non-woven fabric production is characterized by comprising a shell, wherein a first drying cavity, a second drying cavity and a third drying cavity are sequentially arranged in the shell from back to front;

a feed inlet is formed in the left side wall of the first drying cavity, and a first steering roller, a second steering roller and a third steering roller are vertically and rotatably arranged in the first drying cavity; the first steering roller is correspondingly arranged on the right side of the feeding hole, the second steering roller is correspondingly arranged in front of the first steering roller, and the third steering roller is correspondingly arranged on the left side of the second steering roller;

a fourth steering roller, a fifth steering roller, a sixth steering roller and a seventh steering roller are vertically and rotatably arranged in the second drying cavity; the fourth steering roller is correspondingly arranged in front of the third steering roller, the fifth steering roller is correspondingly arranged on the right side of the fourth steering roller, the sixth steering roller is correspondingly arranged in front of the fifth steering roller, and the seventh steering roller is correspondingly arranged on the left side of the sixth steering roller;

an eighth steering roller, a ninth steering roller and a tenth steering roller are vertically and rotatably arranged in the third drying cavity; the eighth steering roller is correspondingly arranged in front of the seventh steering roller, the ninth steering roller is correspondingly arranged on the right side of the eighth steering roller, the tenth steering roller is correspondingly arranged in front of the ninth steering roller, a discharge hole is formed in the left side wall of the third drying cavity, and the discharge hole is correspondingly arranged on the left side of the tenth steering roller;

the left side of the shell is also provided with a feeding roller and a receiving roller, the feeding roller is correspondingly arranged on the left side of the feeding hole, and the receiving roller is correspondingly arranged on the left side of the discharging hole;

the vertical non-woven fabric wound on the feeding roller penetrates through the feeding hole to enter the shell, sequentially passes through the first drying cavity, the second drying cavity and the third drying cavity under the steering action of the first steering roller, the second steering roller, the third steering roller, the fourth steering roller, the fifth steering roller, the sixth steering roller, the seventh steering roller, the eighth steering roller, the ninth steering roller and the tenth steering roller, and then penetrates out of the discharging hole to be wound on the material collecting roller.

2. The hot air drying device for producing the non-woven fabric according to claim 1, wherein two first drying assemblies are arranged in the first drying chamber, and the two first drying assemblies are respectively arranged between the feeding roller and the first steering roller, and between the second steering roller and the third steering roller; two second drying assemblies are arranged in the second drying cavity and are respectively arranged between the fourth steering roller and the fifth steering roller as well as between the sixth steering roller and the seventh steering roller;

the first drying component comprises a first supporting frame, a first drying channel is arranged in the first supporting frame and is used for penetrating through the non-woven fabric, and two inner side walls of the first drying channel are respectively provided with a group of hot air drying mechanisms;

the second drying assembly comprises a second supporting frame, a second drying channel is arranged in the second supporting frame and used for penetrating through the non-woven fabric, and a group of hot-pressing drying mechanisms are respectively arranged on two inner side walls of the second drying channel.

3. The apparatus of claim 2, wherein the hot air drying mechanism comprises an upper hot air drying assembly and a lower hot air drying assembly.

4. The hot air drying device for non-woven fabric production according to claim 3, wherein the upper hot air drying assembly comprises a plurality of vertically arranged upper drying cylinders, two ends of each upper drying cylinder are respectively provided with a first supporting shaft, two first supporting shafts are respectively rotatably clamped and fixed on a first fixing frame preset on the inner wall of the first drying channel, a first gear is coaxially fixed on the upper first supporting shaft, and a second gear is coaxially fixed on the lower first supporting shaft; the plurality of upper drying cylinders are arranged on the same horizontal plane, first gears of the plurality of upper drying cylinders are connected through a first chain, second gears of the plurality of upper drying cylinders are connected through a second chain, a third gear is coaxially fixed on the first gear of one upper drying cylinder and is connected with a fourth gear fixed on a first motor through a third chain, and the first motor is arranged outside the first supporting frame;

the lower hot air drying assembly comprises a plurality of vertically arranged lower drying cylinders, two ends of each lower drying cylinder are respectively provided with a second supporting shaft, the two second supporting shafts are respectively and rotatably clamped and fixed on a second fixing frame which is pre-arranged on the inner wall of the first drying channel, a fifth gear is coaxially fixed on the upper second supporting shaft, a sixth gear is coaxially fixed on the fifth gear, and a seventh gear is coaxially fixed on the lower second supporting shaft; the lower drying drums are arranged on the same horizontal plane and are arranged in a staggered mode, the sixth gear of any lower drying drum is meshed with the second gear of the corresponding upper drying drum, the fifth gears of the lower drying drums are connected through a fourth chain, and the seventh gears of the lower drying drums are connected through a fifth chain.

5. The hot air drying device for non-woven fabric production according to claim 4, wherein the upper drying cylinder and the lower drying cylinder each comprise a drying cylinder body, a drying cavity is arranged in the drying cylinder body, a plurality of first spray heads are uniformly distributed on the outer wall of the drying cylinder body, and the first spray heads are communicated with the drying cavity; the top of the upper drying cylinder is provided with a first air inlet pipe, the first air inlet pipe coaxially passes through a first supporting shaft through a bearing and can rotatably penetrate through the first supporting shaft to be inserted into the drying cavity, and all the first air inlet pipes are communicated with the first main pipeline; the bottom of the lower drying cylinder is provided with a second air inlet pipe, the second air inlet pipe coaxially passes through the first supporting shaft through a bearing and can rotatably penetrate through the first supporting shaft to be inserted into the drying cavity, and all the second air inlet pipes are communicated with the second main pipeline;

the first motor rotates to drive all the upper drying cylinders to rotate in the same direction, and the upper drying cylinders drive the lower drying cylinders arranged corresponding to the upper drying cylinders to rotate in the opposite direction when rotating; the non-woven fabric vertically penetrates between the two groups of hot air drying mechanisms, and the rotating directions of upper drying cylinders of the two groups of hot air drying mechanisms are opposite; can let in steam to the stoving chamber through first trunk line and second trunk line, steam is through first shower nozzle to the non-woven fabrics blowout.

6. The hot air drying device for producing non-woven fabric according to claim 2, wherein the hot press drying mechanism comprises two support plates vertically fixed in the second drying passage, a first hot press roller group and a second hot press roller group are arranged between the two support plates, and the first hot press roller group is arranged above the second hot press roller group.

7. The hot air drying device for non-woven fabric production according to claim 6, wherein the first hot press roller group comprises three first hot press rollers which are stacked in the vertical direction, the first hot press rollers are rotatably arranged between two support plates, a first transmission gear is respectively fixed on the same side of the three first hot press rollers, the three first transmission gears are connected through a first belt, a second transmission gear is coaxially fixed on the uppermost first transmission gear, the second transmission gear is connected with a fourth transmission gear fixed on a second motor through a second belt, a third transmission gear is coaxially fixed on the lowermost first transmission gear, and the third transmission gear is meshed with a seventh transmission gear arranged on the support plates;

the second hot pressing roller group comprises three second hot pressing rollers which are overlapped in the vertical direction, the second hot pressing rollers are rotatably arranged between the two bearing plates, a fifth transmission gear is respectively fixed on the same side of each of the three second hot pressing rollers, the three fifth transmission gears are connected through a third belt, a sixth transmission gear is coaxially fixed on the first transmission gear positioned at the top, the sixth transmission gear is meshed with an eighth transmission gear arranged on the bearing plates, and the seventh transmission gear is meshed with the eighth transmission gear;

the axial directions of the first hot pressing roller and the second hot pressing roller are parallel to the moving direction of the non-woven fabric, and heat conduction oil is circularly injected into the first hot pressing roller and the second hot pressing roller;

the second motor rotates to drive the fourth transmission gear to rotate, and the fourth transmission gear drives the three first hot pressing rollers and the three second hot pressing rollers to rotate reversely at the same time; the non-woven fabric vertically penetrates between the first hot pressing roller set and the second hot pressing roller set, the first hot pressing rollers and the second hot pressing rollers of the two groups of hot pressing drying mechanisms are respectively pressed on the non-woven fabric, the first hot pressing rollers on the left side rotate anticlockwise, and the first hot pressing rollers on the right side rotate clockwise.

8. The hot air drying device for non-woven fabric production according to any one of claims 1 to 7, wherein a set of temperature control assemblies is respectively arranged in the first drying chamber, the second drying chamber and the third drying chamber, each temperature control assembly comprises a temperature sensor and an air inlet pipe, the temperature sensors are respectively arranged in the first drying chamber, the second drying chamber or the third drying chamber, the air inlet pipes are uniformly arranged on the right side wall of the first drying chamber, the second drying chamber or the third drying chamber, and the air inlet pipes are used for introducing hot air into the first drying chamber, the second drying chamber or the third drying chamber.

9. The hot air drying apparatus for non-woven fabric production according to claim 5, wherein the first nozzle is fixed to the drying cylinder by screwing or bonding.

Images