CN216080892U

CN216080892U - Cow hide fibre composite substrate drying equipment

Info

Publication number: CN216080892U
Application number: CN202122159545.5U
Authority: CN
Inventors: 吴鸿辉
Original assignee: Fujian Yihong New Material Technology Co ltd
Current assignee: Fujian Yihong New Material Technology Co ltd
Priority date: 2021-09-07
Filing date: 2021-09-07
Publication date: 2022-03-18
Anticipated expiration: 2031-09-07

Abstract

The utility model relates to the field of fabric processing equipment, in particular to cow leather fiber composite base material drying equipment, which is characterized in that: the imitation leather fiber fabric is dried in advance through rolling and drying before entering the soaking machine to soak and remove harmful substances, and can fully absorb treatment liquid when entering the soaking machine, so that the treatment rate of the harmful substances is improved; hexavalent chromium and formaldehyde are respectively treated by two soaking machines, so that the fabric meets the environmental protection requirement; the surface of the fabric is dried through cylinder drying, and the interior of the fabric is deeply dried through a rotary screen dryer 7, so that the dryness of the fabric can be effectively improved; the steam pressure for drying the cylinder is stabilized, so that the phenomenon that the surface of the cylinder is locally overheated to cause fabric wrinkles is avoided.

Description

Cow hide fibre composite substrate drying equipment

Technical Field

The utility model relates to the field of fabric processing equipment, in particular to cow leather fiber composite base material drying equipment.

Background

The artificial leather production has been in industrial production for decades, and products thereof are continuously updated with the continuous application of various new materials. Leather-based fabrics range from woven fabrics to today's nonwovens from polyvinyl chloride, acrylics to Polyurethane (PU), and fibers from common chemical fibers to differential fibers such as lotus-root fibers and microfibers. In the product style, artificial leather is subjected to the development process from low grade to high grade, from profiling to simulation, and the characteristics of the artificial leather even exceed those of natural leather. The cowhide-like fiber fabric is usually superfine fiber synthetic leather and is developed on the basis of fully analyzing natural leather. The superfine fiber synthetic leather is prepared by processing bunched superfine fibers and polyurethane through a special process. The non-woven fabric is made of nylon superfine fiber with structure and performance similar to those of fasciculate collagen fiber in natural leather, is made into non-woven fabric with a three-dimensional network structure, and is filled with polyurethane with excellent performance and an open microporous structure and is processed and processed to form the non-woven fabric. The superfine fiber synthetic leather has the advantages that: the leather-like fiber fabric has the advantages of high tearing strength, high tensile strength, good folding resistance, good cold resistance, good mildew resistance, thick and full finished products, good simulation performance and the like, the surface is easy to clean, the tissue structure is similar to that of natural leather, various additives are added in the production process of the leather-like fiber fabric, and harmful substances such as hexavalent chromium, formaldehyde and the like can be contained.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide cow leather fiber composite base material drying equipment to solve the problems in the background art.

In order to solve the technical problems, the technical scheme adopted by the utility model is as follows: the utility model provides a compound substrate drying equipment of cow hide fibre which characterized in that: the drying machine comprises a drying machine frame, a fixed drying roller, a movable drying roller, a drying driving cylinder, a drying swing arm and a bearing seat, wherein the fixed drying roller is rotatably arranged on the drying machine frame, the movable drying roller is rotatably arranged on the bearing seat, a cylinder body of the drying driving cylinder is rotatably connected with the drying machine frame, the top of the drying swing arm is rotatably connected with a piston rod of the drying driving cylinder, the bottom of the drying swing arm is rotatably connected with the machine frame, the middle of the drying driving cylinder is fixedly connected with the bearing seat, a slurry soaking groove is arranged in the first soaking machine and the second soaking machine, a plurality of rows of drying rollers which are longitudinally arranged are arranged in the first drying machine and the second drying machine, the drying rollers are meshed through gears, a mesh belt conveyor is arranged inside the rotary screen dryer, a hot air dryer is arranged above the mesh belt conveyor, and a negative pressure fan is arranged below the mesh belt conveyor.

Preferably, rubber layers are arranged on the surfaces of the fixed rolling dry roller and the movable rolling dry roller.

Preferably, the number of the drying drums arranged in the third cylindrical dryer is more than that of the first cylindrical dryer and that of the second cylindrical dryer.

Preferably, a dryer is arranged between the first soaking machine and the second cylinder dryer.

Preferably, a dryer is arranged between the second soaking machine and the third cylinder dryer.

Preferably, exhaust fans are arranged at the tops of the first cylinder dryer, the second cylinder dryer and the third cylinder dryer.

Preferably, an annular drying channel is arranged in the drying drum, a longitudinal heat conducting fin and a transverse heat conducting fin are arranged in the drying channel, the longitudinal heat conducting fin extends along the axial direction of the drying channel, and the transverse heat conducting fin extends along the cross section direction of the drying channel.

Preferably, the longitudinal heat-conducting fins and the transverse heat-conducting fins are alternately arranged.

Preferably, be equipped with the surge damping valve on the steam passage of first cylinder drying-machine, second cylinder drying-machine, third cylinder drying-machine, the surge damping valve includes valve body, case, spring and valve cap, the case slides and sets up in the valve body, the valve cap sets firmly on the valve body, the spring sets up between valve cap and case, be equipped with air inlet and gas outlet on the valve body, the case bottom is equipped with the end cap that can be used to seal the air inlet.

Preferably, the plug is provided with a rubber sealing ring, and the side wall of the valve core above the plug is a conical surface.

As can be seen from the above description, the drying equipment for the cowhide fiber composite base material provided by the utility model has the following beneficial effects: before the imitation leather fiber fabric enters a soaking machine for soaking and removing harmful substances, the imitation leather fiber fabric is dried in advance through rolling and drying treatment, and can fully absorb treatment liquid when entering the soaking machine, so that the treatment rate of the harmful substances is improved; hexavalent chromium and formaldehyde are respectively treated by two soaking machines, so that the fabric meets the environmental protection requirement; the surface of the fabric is dried through cylinder drying, and the interior of the fabric is deeply dried through a rotary screen dryer, so that the dryness of the fabric can be effectively improved; the steam pressure for drying the cylinder is stabilized, so that the phenomenon that the surface of the cylinder is locally overheated to cause fabric wrinkles is avoided.

Drawings

FIG. 1 is a schematic structural diagram of a drying apparatus for a kraft fiber composite substrate according to the present invention.

Fig. 2 is a schematic structural view of the mangle.

Fig. 3 is a schematic structural view of the drum dryer.

Fig. 4 is a sectional view of the drying drum.

Fig. 5 is a schematic structural view of a cylinder dryer.

Fig. 6 is a cross-sectional view of a pressure maintaining valve.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the utility model easy to understand, the utility model is further described with the specific embodiments.

As shown in the figure, the cowhide fiber composite substrate drying equipment sequentially comprises a drier 1, a first cylinder dryer 2, a first soaking machine 3, a second cylinder dryer 4, a second soaking machine 5, a third cylinder dryer 6, a cylinder dryer 7 and a winding machine 8 from a feeding end to a discharging end, wherein a cowhide-like fiber fabric (also called cowhide fiber) sequentially passes through the equipment, the drier 1 is used for drying liquid in the fabric, the cylinder dryer and the cylinder dryer 7 are used for drying the fabric, the soaking machine is used for removing harmful substances, and the winding machine 8 is used for winding the fabric.

The rolling dryer 1 comprises a rolling dryer frame 11, a fixed rolling dry roller 12, a movable rolling dry roller 13, a rolling dry driving cylinder 14, a rolling dry swing arm 15 and a bearing seat 16, wherein the fixed rolling dry roller 12 is rotatably arranged on the rolling dryer frame 11, the movable rolling dry roller 13 is rotatably arranged on the bearing seat 16, a cylinder body of the rolling dry driving cylinder 14 is rotatably connected with the rolling dryer frame 11, the top of the rolling dry swing arm 15 is rotatably connected with a piston rod of the rolling dry driving cylinder 14, the bottom of the rolling dry swing arm is rotatably connected with a frame, the middle of the rolling dry swing arm is fixedly connected with the bearing seat 16, a fabric passes through a gap between the fixed rolling dry roller 12 and the movable rolling dry roller 13, the piston rod of the rolling dry driving cylinder 14 contracts to drive the top of the rolling dry swing arm 15 of the movable rolling dry roller 13 to swing towards the fixed rolling dry roller 12, and then the fixed rolling dry roller 12 and the movable rolling dry roller 13 are driven to approach to form a gap, and the liquid in the fabric is rolled and dried. Rubber layers are arranged on the surfaces of the fixed rolling dry roller 12 and the movable rolling dry roller 13.

The first soaking machine 3 and the second soaking machine 5 are internally provided with a soaking tank, and the soaking tanks in the first soaking machine 3 and the second soaking machine 5 are used for storing treatment liquid for treating hexavalent chromium and formaldehyde and removing the hexavalent chromium and the formaldehyde contained in the fabric.

A plurality of rows of drying rollers 9 which are arranged along the longitudinal direction are arranged in the first cylinder dryer 2 and the second cylinder dryer 4, the drying rollers 9 are meshed through gears, the drying rollers 9 rotate in a linkage manner, the fabric passes through the surfaces of the drying rollers 9, an annular drying channel 91 is arranged in the drying rollers 9, the drying channel 91 is used for drying the steam of the fabric, a longitudinal heat conducting fin 92 and a transverse heat conducting fin 93 are arranged in the drying channel 91, the longitudinal heat conducting fin 92 extends along the axial direction of the drying channel 91 and is distributed along the circumferential direction, the transverse heat conducting fin 93 extends along the cross section direction of the drying channel 91 and is distributed along the circumferential direction, the longitudinal heat conducting fin 92 and the transverse heat conducting fin 93 are alternately arranged, the longitudinal heat conducting fin 92 and the transverse heat conducting fin 93 can greatly improve the heat conducting efficiency of the drying rollers 9, the steam heat can be conveniently conducted to the surfaces of the drying rollers 9, and the longitudinal heat conducting fin 92 and the transverse heat conducting fin 93 are criss-crossed, the contact time of the steam and the heat conducting fins can be further prolonged, and the heat conducting efficiency is further improved. Other constructions of the drum dryer are known from the prior art.

The circular net dryer 7 is internally provided with a net belt conveyor, a hot air dryer 71 is arranged above the net belt conveyor, a negative pressure fan 72 is arranged below the net belt conveyor, the hot air dryer 71 blows hot air to the fabric, the negative pressure fan 72 extracts the hot air, and the penetration speed of the hot air in the fabric can be increased by matching the hot air dryer and the negative pressure fan, so that the drying speed is increased.

The number of the arranged drying drums 9 in the third drum dryer 6 is more than that of the first drum dryer 2 and the second drum dryer 4.

Preferably, a drier 1 is provided between the first steeping machine 3 and the second cylindrical drying machine 4. A drier 1 is arranged between the second soaking machine 5 and the third cylinder dryer 6.

Exhaust fans are arranged at the tops of the first cylindrical dryer 2, the second cylindrical dryer 4 and the third cylindrical dryer 6.

Pressure stabilizing valves are arranged on steam passages of the first cylindrical dryer 2, the second cylindrical dryer 4 and the third cylindrical dryer 6 and comprise a valve body 101, a valve core 102, a spring 103 and a valve cap 104, the valve core 102 is arranged in the valve body 101 in a sliding mode, the valve cap 104 is fixedly arranged on the valve body 101, the spring 103 is arranged between the valve cap 104 and the valve core 102, an air inlet and an air outlet are formed in the valve body 101, and a plug 105 used for sealing the air inlet is arranged at the bottom of the valve core 102. A rubber sealing ring is arranged on the plug 105, and a conical surface 106 is formed on the side wall of the valve core 102 above the plug 105. Steam enters the valve body 101 from the air inlet, when the steam pressure at the air outlet end reaches a certain value, the sum of upward steam pressure borne by the conical surface 106 of the valve core 102 and the plug 105 is larger than the sum of the elastic force of the spring 103 and downward pressure borne by the plug 105, the valve core 102 gradually moves upwards until the plug 105 blocks the air inlet, at the moment, the steam pressure at the outlet is reduced, the steam pressure is repeatedly adjusted in the way and stabilized at a set value, and the set value can adjust the compression degree of the spring 103 through adjusting the height of the valve cap 104, so that the elastic force and the set value of the spring 103 are adjusted.

Before the imitation leather fiber fabric enters a soaking machine for soaking and removing harmful substances, the imitation leather fiber fabric is dried in advance through rolling and drying treatment, and can fully absorb treatment liquid when entering the soaking machine, so that the treatment rate of the harmful substances is improved; hexavalent chromium and formaldehyde are respectively treated by two soaking machines, so that the fabric meets the environmental protection requirement; the surface of the fabric is dried through cylinder drying, and the interior of the fabric is deeply dried through a rotary screen dryer 7, so that the dryness of the fabric can be effectively improved; the steam pressure for drying the cylinder is stabilized, so that the phenomenon that the surface of the cylinder is locally overheated to cause fabric wrinkles is avoided.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, which indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore, should not be construed as limiting the present invention, and what is not described in detail in the present specification is prior art and is known to those skilled in the art.

In the description of the present invention, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly, e.g., as meaning fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed; the type of the electrical appliance provided by the utility model is only used for reference. For those skilled in the art, different types of electrical appliances with the same function can be replaced according to actual use conditions, and for those skilled in the art, the specific meaning of the above terms in the present invention can be understood in specific situations.

The above description is only a few specific embodiments of the present invention, but the design concept of the present invention is not limited thereto, and any insubstantial modifications made by the design concept should fall within the scope of the present invention.

Claims

1. The utility model provides a compound substrate drying equipment of cow hide fibre which characterized in that: the drying machine comprises a drying machine frame, a fixed drying roller, a movable drying roller, a drying driving cylinder, a drying swing arm and a bearing seat, wherein the fixed drying roller is rotatably arranged on the drying machine frame, the movable drying roller is rotatably arranged on the bearing seat, a cylinder body of the drying driving cylinder is rotatably connected with the drying machine frame, the top of the drying swing arm is rotatably connected with a piston rod of the drying driving cylinder, the bottom of the drying swing arm is rotatably connected with the machine frame, the middle of the drying driving cylinder is fixedly connected with the bearing seat, a slurry soaking groove is arranged in the first soaking machine and the second soaking machine, a plurality of rows of drying rollers which are longitudinally arranged are arranged in the first drying machine and the second drying machine, the drying rollers are meshed through gears, a mesh belt conveyor is arranged inside the rotary screen dryer, a hot air dryer is arranged above the mesh belt conveyor, and a negative pressure fan is arranged below the mesh belt conveyor.

2. The kraft fiber composite substrate drying apparatus of claim 1, wherein: rubber layers are arranged on the surfaces of the fixed rolling dry roller and the movable rolling dry roller.

3. The kraft fiber composite substrate drying apparatus of claim 1, wherein: the arrangement number of the drying rollers in the third cylinder dryer is more than that of the first cylinder dryer and the second cylinder dryer.

4. The kraft fiber composite substrate drying apparatus of claim 1, wherein: a rolling dryer is arranged between the first soaking machine and the second cylinder dryer.

5. The kraft fiber composite substrate drying apparatus of claim 1, wherein: a rolling dryer is arranged between the second soaking machine and the third cylinder dryer.

6. The kraft fiber composite substrate drying apparatus of claim 1, wherein: and exhaust fans are arranged at the tops of the first cylinder dryer, the second cylinder dryer and the third cylinder dryer.

7. The kraft fiber composite substrate drying apparatus of claim 1, wherein: the drying drum is internally provided with an annular drying channel, a longitudinal heat conducting fin and a transverse heat conducting fin are arranged in the drying channel, the longitudinal heat conducting fin extends along the axial direction of the drying channel, and the transverse heat conducting fin extends along the cross section direction of the drying channel.

8. The kraft fiber composite substrate drying apparatus of claim 7, wherein: the longitudinal heat-conducting fins and the transverse heat-conducting fins are alternately arranged.

9. The kraft fiber composite substrate drying apparatus of claim 1, wherein: be equipped with the surge damping valve on the steam passage of first cylinder drying-machine, second cylinder drying-machine, third cylinder drying-machine, the surge damping valve includes valve body, case, spring and valve cap, the case slides and sets up in the valve body, the valve cap sets firmly on the valve body, the spring sets up between valve cap and case, be equipped with air inlet and gas outlet on the valve body, the case bottom is equipped with the end cap that can be used to seal the air inlet.

10. The kraft fiber composite substrate drying apparatus of claim 9, wherein: the plug is provided with a rubber sealing ring, and the side wall of the valve core above the plug is provided with a conical surface.