Roller coating device for cowhide sofa leather processing

Abstract

The utility model relates to the technical field of cowhide sofa leather processing, in particular to a roller coating device for cowhide sofa leather processing, which comprises two parallel partition plates arranged in a processing box, and the two partition plates divide the processing box into a dust removal cavity, a roller coating cavity and a drying cavity according to the material advancing direction. Through grooves for materials to pass through are formed in the two partition plates correspondingly, and a feeding port and a discharging port are formed in the dust removal cavity and the drying cavity correspondingly. The dust removal assembly is arranged in the dust removal cavity; the roller coating assembly is arranged in the roller coating cavity; the drying assembly is arranged in the drying cavity; an air inlet in the waste gas box is communicated with the drying cavity through an exhaust pipe, a spray pipe is horizontally arranged in the waste gas box above the air inlet, the spray pipe is driven by a swing assembly to swing, the spray pipe is provided with a spray head, the end of the spray pipe is connected with a liquid discharge pipe on the liquid storage box through a rotary joint, and an air outlet is formed in the bottom of the waste gas box. The tail gas treatment device has the advantages of timely tail gas treatment and the like.

Description

Technical Field

[0001] The utility model relates to the technical field of cowhide sofa leather processing, in particular to a roller coating device used for cowhide sofa leather processing. Background Art

[0002] Cowhide sofa leather is a high-end and durable sofa material. It is a leather product made of natural cowhide through a series of processing. When processing cowhide sofa leather, it needs to be roller coated. For this purpose, the patent document discloses a leather roller coater (application number: 202320633830.2) that can quickly dry the coating, including a roller coater lower body, a roller coater part is arranged on the front side of the top of the roller coater lower body, a leather conveyor belt is installed between the roller coater lower body and the roller coater part, and a flattening and drying assembly includes a drying box arranged on the rear side of the top of the roller coater lower body, a cylinder is symmetrically installed on the front side of the top of the drying box, a connecting rod is installed on the bottom drive shaft of the cylinder, a pressing plate is arranged on the bottom of the connecting rod, and a hot air dryer is installed on the rear side of the top of the drying box.

[0003] Although the above-mentioned documents can conveniently and quickly dry the paint on the leather surface, exhaust gas is generated during the drying process. The exhaust gas is usually high temperature and high humidity, and contains a large amount of volatile organic compounds (VOCs), harmful particulate matter and other pollutants. If it is not treated, it is very easy to reduce the quality of the surrounding environment. Utility Model Content

[0004] In view of this, the utility model provides a roller coating device for processing cowhide sofa leather, aiming to solve the above-mentioned problems in the prior art.

[0005] To achieve the above purpose, the utility model is implemented through the following technical scheme: a roller coating device for processing cowhide sofa leather, comprising:

[0006] A processing box is provided with two parallel partitions, which divide the processing box into a dust removal chamber, a roller coating chamber, and a drying chamber according to the direction of material travel. The two partitions are respectively provided with through slots for the material to pass through, and the dust removal chamber and the drying chamber are respectively provided with a feed port and a discharge port;

[0007] A dust removal component, arranged in the dust removal chamber, for removing dust from the surface of the material;

[0008] A roller coating assembly is arranged in the roller coating chamber and is used for roller coating the surface of the material;

[0009] A drying component, disposed in the drying chamber, for drying the surface of the material; and

[0010] An exhaust gas box, whose upper air inlet is connected with the drying chamber through an exhaust pipe, a nozzle is horizontally arranged in the exhaust gas box above the air inlet, the nozzle swings under the drive of the swing assembly, the nozzle is provided with a nozzle, the end of the nozzle is connected with the drain pipe on the liquid storage tank through a rotating joint, and an air outlet is arranged at the bottom of the exhaust gas box.

[0011] A further improvement of the present invention is that the drying component comprises:

[0012] Two rotatable first guide rollers are arranged in parallel in the drying chamber;

[0013] A lifting plate is arranged in the drying chamber above the first guide roller and is lifted and lowered by the driving of the first hydraulic cylinder;

[0014] Two pressing rollers are rotatably disposed at two ends below the lifting plate, respectively facing the two first guide rollers and parallel to the first guide rollers; and

[0015] A plurality of heating tubes are arranged in parallel and at intervals below the lifting plate between two pressing rollers.

[0016] A further improvement of the utility model is that the roller coating assembly comprises:

[0017] A second guide roller is rotatably disposed in the roller coating chamber;

[0018] A support roller box is arranged in the roller coating cavity above the second guide roller and is lifted and lowered under the drive of the second hydraulic cylinder. A notch is arranged at the bottom of the support roller box. A coating roller parallel to the second guide roller is arranged in the notch. The coating roller rotates under the drive of the first motor.

[0019] A spray pipe is arranged in parallel in the support roller box above the coating roller, and a spray head is arranged on the spray pipe; and

[0020] The material holding box is connected to the end of the material spraying pipe through a telescopic material discharge pipe. The material holding box is used to hold the paint and is provided with a liquid inlet.

[0021] A further improvement of the utility model is that the material holding box includes a stirring shaft, which is arranged in the material holding box and rotates alternately forward and reversely under the drive of the driving component, and a stirring paddle is arranged on the stirring shaft.

[0022] A further improvement of the utility model is that the driving assembly comprises:

[0023] A second motor is arranged on the material holding box, a wheel disc is arranged on the power output end of the second motor, and a first guide column is eccentrically arranged on the wheel disc; and

[0024] The first rack is slidably arranged on the material containing box, the first guide column is slidably connected to the long slot hole at the end of the first rack, and the first rack is meshed with the first gear on the stirring shaft.

[0025] A further improvement of the utility model is that the dust removal component comprises:

[0026] A dust removal plate is disposed transversely in the dust removal chamber and is lifted and lowered by the driving of a third hydraulic cylinder;

[0027] An air injection pipe is arranged at a first end below the dust removal plate, and an air injection head is arranged on the air injection pipe; and

[0028] The collecting hood is arranged at the second end below the dust removal plate opposite to the air injection pipe, and the collecting hood is connected to the dust removal equipment through a telescopic dust extraction pipe.

[0029] A further improvement of the utility model is that the swing assembly includes a second rack, which is arranged on the exhaust gas box and slides horizontally under the drive of the fourth hydraulic cylinder, and the second rack is meshed with the second gear on the end of the nozzle.

[0030] A further improvement of the utility model is that an activated carbon filter plate is arranged on the air outlet.

[0031] Due to the adoption of the above technical solution, the technical progress achieved by the utility model is:

[0032] The utility model provides a roller coating device for processing cowhide sofa leather, materials enter into a dust removal chamber from a feeding port, a dust removal component removes dust from the materials, the materials after dust removal enter into a roller coating chamber, the roller coating component roller coats the materials, the materials after roller coating enter into a drying chamber for drying, the materials after drying go out from a discharging port, when the materials are dried, tail gas is generated, the tail gas is sent into a waste gas box from a suction pipe, the treatment liquid in the liquid storage tank enters into a spray pipe through a drain pipe and a rotary joint, the treatment liquid in the spray pipe is sprayed into the waste gas box through a spray head, thereby treating the tail gas, and when spraying, the swing component drives the spray pipe to swing, thereby spraying over a large range to treat the tail gas, compared with the prior art, the tail gas can be effectively treated and the surrounding environment quality can be improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0033] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0034] Figure 1This is a schematic diagram of the overall structure of the roller coating device of the utility model;

[0035] Figure 2 This is a schematic diagram of the structure of the drying component of the roller coating device of the utility model;

[0036] Figure 3 This is a schematic structural diagram of a roller coating assembly of the roller coating device of the utility model;

[0037] Figure 4 This is a schematic diagram of the material holding box structure of the roller coating device of the utility model;

[0038] Figure 5 This is a schematic diagram of the structure of the dust removal component of the roller coating device of the utility model;

[0039] Figure 6 This is a schematic diagram of the structure of the swing assembly of the roller coating device of the utility model;

[0040] Description of reference numerals:

[0041] 10-processing box, 101-feeding port, 102-discharging port, 11-partition plate, 111-through slot, 12-exhaust box, 121-exhaust pipe, 13-spray pipe, 131-spray head, 14-rotating joint, 141-drain pipe, 15-activated carbon filter plate, 20-drying assembly, 21-first guide roller, 22-lifting plate, 221-first hydraulic cylinder, 23-pressing roller, 24-heating tube, 30-roller coating assembly, 31-second guide roller, 32-supporting roller box, 33-second hydraulic cylinder, 34-coating roller, 35-first motor, 36-spray pipe, 361-spray head, 37-discharge pipe, 40-material box, 41-liquid inlet, 42-stirring shaft, 431-stirring paddle, 432-first gear, 44-second motor, 45-wheel, 451-first guide column, 46-first rack, 461-long slot, 50-dust removal assembly, 51-dust removal plate, 52-third hydraulic cylinder, 53-spray pipe, 531-spray head, 54-collection cover, 541-dust extraction pipe, 60-swing assembly, 61-second rack, 62-fourth hydraulic cylinder, 63-second gear. DETAILED DESCRIPTION

[0042] The following will be combined with the accompanying drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, in the following description, specific details such as specific system structures and technologies are proposed for the purpose of explanation rather than limitation, so as to thoroughly understand the embodiments of the utility model. However, it should be clear to those skilled in the art that the utility model can also be implemented in other embodiments without these specific details. In other cases, detailed descriptions of well-known systems, devices, circuits, and methods are omitted to prevent unnecessary details from hindering the description of the utility model.

[0043] In conjunction with the instruction manual Figure 1 To Attachment Figure 6 It can be known that the roller coating device for processing cowhide sofa leather provided by the utility model mainly includes the following parts or components: a processing box 10, a dust removal component 50, a roller coating component 30, a drying component 20, and an exhaust box 12.

[0044] In the utility model, two parallel partitions 11 are arranged in the processing box 10, and the two partitions 11 divide the processing box 10 into a dust removal chamber, a roller coating chamber, and a drying chamber according to the direction of material travel. The two partitions 11 are respectively provided with through grooves 111 for the material to pass through, and the dust removal chamber and the drying chamber are respectively provided with a feed port 101 and a discharge port 102; the dust removal component 50 is arranged in the dust removal chamber for dust removal on the surface of the material; the roller coating component 30 is arranged in the roller coating chamber for The surface of the material is roller coated; the drying component 20 is arranged in the drying chamber for drying the surface of the material; the air inlet on the exhaust box 12 is connected to the drying chamber through the exhaust pipe 121, and a nozzle 13 is horizontally arranged in the exhaust box 12 above the air inlet. The nozzle 13 swings under the drive of the swing component 60. The nozzle 13 is provided with a nozzle 131, and the end of the nozzle 13 is connected to the drain pipe 141 on the liquid storage tank through the rotary joint 14. The bottom of the exhaust box 12 is provided with an air outlet. An activated carbon filter plate 15 is arranged on the air outlet.

[0045] The material enters the dust removal chamber from the feed port 101, the dust removal component 50 removes the dust from the material, the dust-removed material enters the roller coating chamber, the roller coating component 30 roller coats the material, the roller-coated material enters the drying chamber for drying, and the dried material goes out from the discharge port 102. When the material is dried, tail gas is generated, and the tail gas is sent to the exhaust gas box 12 from the exhaust pipe 121. The treated liquid in the liquid storage tank enters the nozzle 13 through the drain pipe 141 and the rotary joint 14, and the treated liquid in the nozzle 13 is sprayed into the exhaust gas box 12 through the nozzle 131, so as to treat the tail gas, and when spraying, the swing component 60 drives the nozzle 13 to swing, so as to spray over a large range to treat the tail gas. The tail gas treated by the treatment liquid can be safely discharged after being adsorbed by the activated carbon filter plate 15, which can effectively treat the tail gas and improve the quality of the surrounding environment.

[0046] Specifically, a rotatable unwinding roller and a rotatable winding roller are respectively disposed on the outer side of the feed port 101 and the outer side of the discharge port 102 .

[0047] As an embodiment, in conjunction with the attached Figure 2 It can be seen that the drying assembly 20 includes two rotatable first guide rollers 21, which are arranged in parallel in the drying chamber; the lifting plate 22 is arranged in the drying chamber above the first guide rollers 21, and is lifted and lowered under the drive of the first hydraulic cylinder 221; the two clamping rollers 23 are rotatably arranged at the two ends below the lifting plate 22, and are respectively opposite to the two first guide rollers 21, and are parallel to the first guide rollers 21; a plurality of heating tubes 24 are arranged in parallel and at intervals below the lifting plate 22 between the two clamping rollers 23.

[0048] According to the thickness of the material, the first hydraulic cylinder 221 drives the lifting plate 22 to rise and fall to a suitable position, and the two pressing rollers 23 contact the upper surface of the material. The function of the two pressing rollers 23 is to flatten the material, or to prevent the material from folding during the drying process. Multiple heating tubes 24 dry the material, which can effectively and quickly dry the material. The material is always moving while being dried.

[0049] As an embodiment, in conjunction with the attached Figure 3 It can be seen that the roller coating assembly 30 includes a second guide roller 31 rotatably arranged in the roller coating chamber; a support roller box 32 is arranged in the roller coating chamber above the second guide roller 31, and rises and falls under the drive of the second hydraulic cylinder 33, and a notch is arranged at the bottom of the support roller box 32, and a paint roller 34 parallel to the second guide roller 31 is arranged in the notch, and the paint roller 34 rotates under the drive of the first motor 35; a spray pipe 36 is arranged in parallel in the support roller box 32 above the paint roller 34, and a spray head 361 is arranged on it; a material holding box 40 is connected to the end of the spray pipe 36 through a retractable discharge pipe 37, and the material holding box 40 is used to hold paint, and a liquid inlet 41 is arranged on the material holding box 40.

[0050] The material passes over the second guide roller 31, and the paint in the material box 40 is sent to the spray pipe 36 from the discharge pipe 37. The second hydraulic cylinder 33 drives the support roller box 32 to rise and fall to a suitable position. Subsequently, the paint in the spray pipe 36 is sent to the paint roller 34 through the spray head 361. The first motor 35 drives the paint roller 34 to rotate, and the paint roller 34 passes the paint onto the material.

[0051] In this embodiment, in conjunction with the attached Figure 4It can be seen that the material holding box 40 includes a stirring shaft 42, which is arranged in the material holding box 40 and rotates alternately forward and reverse under the drive of the driving component, and a stirring paddle 431 is arranged on the stirring shaft 42. The driving component includes a second motor 44 arranged on the material holding box 40, a wheel disc 45 is arranged on the power output end thereof, and a first guide column 451 is eccentrically arranged on the wheel disc 45; a first rack 46 is slidably arranged on the material holding box 40, the first guide column 451 is slidably connected to the long slot hole 461 at the end of the first rack 46, and the first rack 46 is meshed with the first gear 432 on the stirring shaft 42.

[0052] The second motor 44 drives the wheel 45 to rotate, and the wheel 45 drives the first rack 46 to slide back and forth horizontally through the cooperation between the first guide column 451 and the long slot hole 461. The first rack 46 drives the stirring shaft 42 to rotate alternately forward and reverse through the first gear 432. The stirring shaft 42 stirs the paint through the stirring paddle 431, which can effectively make the paint blend evenly and prevent the paint from stratification.

[0053] As an embodiment, in conjunction with the attached Figure 5 It can be seen that the dust removal assembly 50 includes a dust removal plate 51 which is horizontally arranged in the dust removal chamber and rises and falls under the drive of the third hydraulic cylinder 52; the jet pipe 53 is arranged at the first end below the dust removal plate 51, and a jet head 531 is arranged on the jet pipe 53; the collecting hood 54 is arranged at the second end below the dust removal plate 51 opposite to the jet pipe 53, and the collecting hood 54 is connected to the dust removal equipment through a retractable dust extraction pipe 541.

[0054] The third hydraulic cylinder 52 drives the dust removal plate 51 to rise and fall to a suitable position, and the nozzle 531 on the jet pipe 53 blows air to the material to blow the dust off the material. Then the collecting hood 54 sucks the dust into the dust extraction pipe 541 and then into the dust removal equipment for dust removal.

[0055] As an embodiment, in conjunction with the attached Figure 6 It can be seen that the swing assembly 60 includes a second rack 61, which is arranged on the exhaust gas box 12 and slides horizontally under the drive of the fourth hydraulic cylinder 62. The second rack 61 is meshed with the second gear 63 on the end of the spray pipe 13. The fourth hydraulic cylinder 62 drives the second rack 61 to move horizontally back and forth, and the second rack 61 drives the spray pipe to swing through the second gear 63.

[0056] It should be noted that, in this patent application, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of more restrictions, the sentence "includes an element defined by ... does not exclude the existence of other identical elements in the process, method, article or device including the element".

[0057] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that the technical solutions described in the aforementioned embodiments may still be modified, or some of the technical features may be replaced by equivalents. Such modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the embodiments of the present invention, and should be included in the protection scope of the present invention.

Claims

1. A roller coating device for processing cowhide sofa leather, characterized in that: include: A processing box is provided with two parallel partitions, which divide the processing box into a dust removal chamber, a roller coating chamber, and a drying chamber according to the direction of material travel. The two partitions are respectively provided with through slots for the material to pass through, and the dust removal chamber and the drying chamber are respectively provided with a feed port and a discharge port; A dust removal component, arranged in the dust removal chamber, for removing dust from the surface of the material; A roller coating assembly is arranged in the roller coating chamber and is used for roller coating the surface of the material; A drying component, disposed in the drying chamber, for drying the surface of the material; and An exhaust gas box, whose upper air inlet is connected with the drying chamber through an exhaust pipe, a nozzle is horizontally arranged in the exhaust gas box above the air inlet, the nozzle swings under the drive of the swing assembly, the nozzle is provided with a nozzle, the end of the nozzle is connected with the drain pipe on the liquid storage tank through a rotating joint, and an air outlet is arranged at the bottom of the exhaust gas box.

2. The roller coating device for processing cowhide sofa leather according to claim 1, characterized in that: The drying component comprises: Two rotatable first guide rollers are arranged in parallel in the drying chamber; A lifting plate is arranged in the drying chamber above the first guide roller and is lifted and lowered by the driving of the first hydraulic cylinder; Two pressing rollers are rotatably disposed at two ends below the lifting plate, respectively facing the two first guide rollers and parallel to the first guide rollers; and A plurality of heating tubes are arranged in parallel and at intervals below the lifting plate between two pressing rollers.

3. The roller coating device for processing cowhide sofa leather according to claim 1, characterized in that: The roller coating assembly comprises: A second guide roller is rotatably disposed in the roller coating chamber; A support roller box is arranged in the roller coating cavity above the second guide roller and is lifted and lowered under the drive of the second hydraulic cylinder. A notch is arranged at the bottom of the support roller box. A coating roller parallel to the second guide roller is arranged in the notch. The coating roller rotates under the drive of the first motor. A spray pipe is arranged in parallel in the support roller box above the coating roller, and a spray head is arranged on the spray pipe; and The material holding box is connected to the end of the material spraying pipe through a telescopic material discharge pipe. The material holding box is used to hold the paint and is provided with a liquid inlet.

4. A roller coating device for processing cowhide sofa leather according to claim 3, characterized in that: The material holding box includes a stirring shaft, which is arranged in the material holding box and rotates alternately forward and reversely under the drive of the driving component. The stirring shaft is provided with a stirring paddle.

5. The roller coating device for processing cowhide sofa leather according to claim 4, characterized in that: The drive assembly comprises: A second motor is arranged on the material holding box, a wheel disc is arranged on the power output end of the second motor, and a first guide column is eccentrically arranged on the wheel disc; and The first rack is slidably arranged on the material containing box, the first guide column is slidably connected to the long slot hole at the end of the first rack, and the first rack is meshed with the first gear on the stirring shaft.

6. The roller coating device for processing cowhide sofa leather according to claim 1, characterized in that: The dust removal component comprises: A dust removal plate is disposed transversely in the dust removal chamber and is lifted and lowered by the driving of a third hydraulic cylinder; An air injection pipe is arranged at a first end below the dust removal plate, and an air injection head is arranged on the air injection pipe; and The collecting hood is arranged at the second end below the dust removal plate opposite to the air injection pipe, and the collecting hood is connected to the dust removal equipment through a telescopic dust extraction pipe.

7. The roller coating device for processing cowhide sofa leather according to claim 1, characterized in that: The swing assembly includes a second rack, which is arranged on the exhaust gas box and slides horizontally under the drive of the fourth hydraulic cylinder. The second rack is meshed with a second gear on the end of the nozzle.

8. A roller coating device for processing cowhide sofa leather according to any one of claims 1 to 7, characterized in that: An activated carbon filter plate is arranged on the air outlet.

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