CN112111978A - Manufacturing method of wear-resistant durable conveying belt - Google Patents
Manufacturing method of wear-resistant durable conveying belt Download PDFInfo
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- CN112111978A CN112111978A CN202010934493.1A CN202010934493A CN112111978A CN 112111978 A CN112111978 A CN 112111978A CN 202010934493 A CN202010934493 A CN 202010934493A CN 112111978 A CN112111978 A CN 112111978A
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 21
- 239000004744 fabric Substances 0.000 claims abstract description 58
- 238000005507 spraying Methods 0.000 claims abstract description 37
- 239000000843 powder Substances 0.000 claims abstract description 35
- 229920002635 polyurethane Polymers 0.000 claims abstract description 29
- 239000004814 polyurethane Substances 0.000 claims abstract description 29
- 239000011248 coating agent Substances 0.000 claims abstract description 24
- 238000000576 coating method Methods 0.000 claims abstract description 24
- 239000007921 spray Substances 0.000 claims abstract description 21
- 239000004433 Thermoplastic polyurethane Substances 0.000 claims abstract description 15
- 229920002803 thermoplastic polyurethane Polymers 0.000 claims abstract description 15
- 238000000034 method Methods 0.000 claims abstract description 14
- 238000003825 pressing Methods 0.000 claims abstract description 13
- 230000037452 priming Effects 0.000 claims abstract description 10
- 238000007493 shaping process Methods 0.000 claims abstract description 10
- 238000001914 filtration Methods 0.000 claims description 13
- 230000000903 blocking effect Effects 0.000 claims description 10
- 238000009998 heat setting Methods 0.000 claims description 6
- 229920003023 plastic Polymers 0.000 claims description 3
- 239000004033 plastic Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 abstract description 8
- 238000002360 preparation method Methods 0.000 abstract 1
- 239000000835 fiber Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000009194 climbing Effects 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 238000007596 consolidation process Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 229920000728 polyester Polymers 0.000 description 2
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 1
- 235000017491 Bambusa tulda Nutrition 0.000 description 1
- 241001330002 Bambuseae Species 0.000 description 1
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000011425 bamboo Substances 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 238000004939 coking Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 239000005060 rubber Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
- D06N3/12—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. gelatine proteins
- D06N3/14—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. gelatine proteins with polyurethanes
- D06N3/145—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. gelatine proteins with polyurethanes two or more layers of polyurethanes
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
- D06N3/007—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by mechanical or physical treatments
- D06N3/0077—Embossing; Pressing of the surface; Tumbling and crumbling; Cracking; Cooling; Heating, e.g. mirror finish
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
- D06N3/0086—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the application technique
- D06N3/0088—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the application technique by directly applying the resin
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
- D06N3/0086—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the application technique
- D06N3/0088—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the application technique by directly applying the resin
- D06N3/009—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the application technique by directly applying the resin by spraying components on the web
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
- D06N3/18—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with two layers of different macromolecular materials
- D06N3/183—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with two layers of different macromolecular materials the layers are one next to the other
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N2209/00—Properties of the materials
- D06N2209/10—Properties of the materials having mechanical properties
- D06N2209/105—Resistant to abrasion, scratch
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N2211/00—Specially adapted uses
- D06N2211/04—Belts
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Dispersion Chemistry (AREA)
- Treatment Of Fiber Materials (AREA)
Abstract
The invention discloses a method for manufacturing a wear-resistant durable conveying belt, which comprises the following steps: a. shaping the high-strength three-dimensional fabric; b. priming the high-strength three-dimensional fabric with an aqueous polyurethane primer to form a primer layer; c. putting the three-dimensional fabric into a coating machine, coating wear-resistant thermoplastic polyurethane powder, and shaping; d. pressing patterns through a pattern roller and forming; the smearing machine in the step c comprises a main body, a driving roller, a movable roller, a limiting device, a movable frame and a spraying device; the spraying device comprises a containing box, a pressure applying stick, a spray head and an anti-blocking mechanism; the three-dimensional fabric is used as a framework material, so that the elongation is reduced, and the wear resistance of the conveying belt is improved; the wear resistance of the surface of the conveyor belt is improved by coating polyurethane powder, and the requirement of conveying heavy objects is met; make when the preparation cancel artificial paining through spraying device, guarantee the degree of consistency of paining, improved the stability of conveyer belt.
Description
Technical Field
The invention belongs to the technical field of manufacturing of conveyor belts, and particularly relates to a manufacturing method of a wear-resistant durable conveyor belt.
Background
The conveyer belt, also called conveyer belt, is a composite product of rubber, fiber and metal, or a composite product of plastic and fabric, which is used in the conveyer belt to carry and convey materials. The conveyer belt is widely applied to occasions with short conveying distance and small conveying amount in the industries of cement, coking, metallurgy, chemical industry, steel and the like. The conveyer belt, the belt conveyor is used for conveying various solid block and powdery materials or finished articles in agriculture, industrial and mining enterprises and transportation industry extensively, the conveyer belt can transport continuously, with high efficiency and large inclination angle, the operation of the conveyer belt is safe, the use of the conveyer belt is simple and convenient, the maintenance is easy, the transportation cost is low, the transportation distance can be shortened, the construction cost is reduced, and the manpower and material resources are saved; the conveyer belt is used extensively, and traditional conveyer belt is in transportation process, and the back has been long, because the wearability is relatively poor, the conveyer belt appears skidding easily.
Disclosure of Invention
The invention provides a method for manufacturing a wear-resistant durable conveying belt, aiming at overcoming the defects of the prior art.
In order to achieve the purpose, the invention adopts the following technical scheme: a method of making a wear resistant and durable conveyor belt comprising the steps of:
a. shaping the high-strength three-dimensional fabric;
b. priming the high-strength three-dimensional fabric with an aqueous polyurethane primer to form a primer layer;
c. putting the three-dimensional fabric into a coating machine, coating wear-resistant thermoplastic polyurethane powder, and shaping;
d. pressing patterns through a pattern roller and forming;
the smearing machine in the step c comprises a main body, a driving roller arranged on the main body, a movable roller arranged on the side wall of the main body, a limiting device arranged on the movable roller, a movable frame arranged on the bottom wall of the main body and a spraying device arranged on the upper wall of the main body; the spraying device comprises a containing box arranged on the upper wall of the main body, a pressure applying rod arranged on the containing box, a spray head arranged on the pressure applying rod and an anti-blocking mechanism arranged on the spray head; before the equipment is started, one end of the coated three-dimensional fabric is sleeved on a movable roller, and then the movable roller is pulled until the other end of the three-dimensional fabric is sleeved on a driving roller; then starting the movable frame, and sealing two ends of the driving roller and the movable roller; starting a driving roller to enable the three-dimensional fabric to start rotating; the spray device was activated to begin spraying the wear-resistant thermoplastic polyurethane powder onto the surface of the volumetric fabric.
The high-strength three-dimensional fabric is used as a reinforcing aggregate material in the step a, so that the elongation is reduced, and the extension stress ratio is increased; the process of priming the three-dimensional fabric with the water-based glue is adopted in the step b, so that the consolidation among the three-dimensional polyester fibers is enhanced, the integral strength of the three-dimensional fabric is improved, the fabric is prevented from being damaged in the using process, and the service life of the conveying belt is prolonged; by adopting the high-strength low-hardness coating-grade polyurethane powder in the step c, the material is beneficial to pressing patterns, the conveyer belt can be ensured to have enough holding power on articles in the climbing process, the surface wear resistance of the conveyer belt is improved, and the conveying requirement of heavy objects is met; the arrangement of the driving roller and the movable roller realizes that the shaped high-strength three-dimensional fabric can move like the conveying of a conveying belt, the convenience of coating polyurethane powder is improved, and the coating efficiency is improved; the movable roller can fix the high-strength three-dimensional fabric according to the size of the high-strength three-dimensional fabric through the arrangement of the limiting device, so that the equipment can adapt to the high-strength three-dimensional fabrics with different specifications; the spraying device is arranged to automatically spray polyurethane powder to the high-strength three-dimensional fabric, so that the trouble of manual coating is eliminated, and the working efficiency is improved; on the other hand, the spraying is more uniform, and the uneven wear resistance of the surface of the conveying belt caused by uneven spraying is prevented; the blockage of the spray head is realized through the arrangement of the blockage prevention mechanism, and the spray head is prevented from being blocked by polyurethane powder; so that the polyurethane powder can be more uniformly sprayed on the high-strength three-dimensional fabric.
And c, priming the rough surface of the high-strength three-dimensional fabric with the aqueous polyurethane primer in the step b to form a primer layer.
The manufacturing of the process strengthens the consolidation among the three-dimensional polyester fibers in the conveyer belt, improves the integral strength of the three-dimensional fabric, prevents the fabric from being damaged in the using process, and prolongs the service life of the conveyer belt; the mass of the conveyor belt is increased.
And c, coating high-wear-resistance thermoplastic polyurethane powder on the bottom coating in the step c, and performing heat setting at 180-200 ℃.
The manufacturing of the process adopts high-wear-resistance thermoplastic polyurethane powder, which is beneficial to pressing decorative patterns, can ensure that the conveyer belt has enough holding power on articles, improves the surface wear resistance of the conveyer belt, and meets the conveying requirement of heavy objects; the strength of the conveying belt is improved.
The anti-blocking mechanism comprises a nozzle arranged on the spray head, a filter plate arranged at the nozzle, a filter hole arranged on the filter plate, a first fixed cylinder arranged in the spray head, a moving plate arranged on the first fixed cylinder, a blocking needle arranged on the moving plate, a driving assembly arranged in the first fixed cylinder and a conical block arranged on the back of the moving plate; the plugging needle is embedded in the filtering hole under the action of the driving component before spraying; when spraying is started, the high-wear-resistance thermoplastic polyurethane powder is introduced into the pressure application roller under the action of air pressure, and the driving assembly drives the moving plate to move upwards under the action of the air pressure; at the moment, the blocking needle is separated from the filtering hole; then spraying polyurethane powder on the three-dimensional fabric through the filter holes; the arrangement of the conical block reduces the air pressure on the moving plate when spraying polyurethane powder, and prevents the moving plate from moving downwards due to instability of the air pressure; the blockage needle can not block the filter hole when spraying, and the stability and the spraying uniformity when spraying are improved.
The spraying shape is rectangular due to the arrangement of the nozzles, so that the spraying area is increased, and the stability and the uniformity of spraying are improved; the polyurethane powder on the three-dimensional fabric is more uniform, and the stability of the conveying belt is improved; the large-particle polyurethane powder is filtered through the filter plate, so that the sprayed powder can be more uniform and fine; the surface stability of the three-dimensional fabric is improved; the arrangement of the blocking needle ensures that the filter holes can keep smooth, and prevents the filter holes from being blocked to influence the spraying uniformity; the uniformity of the polyurethane powder of the three-dimensional fabric is improved, and the stability of the conveying belt is improved; the movable plate can be far away from the plugging hole when being sprayed by the driving assembly, so that the polyurethane powder can be smoothly sprayed on the three-dimensional fabric, and the stability is improved.
The driving assembly comprises a second fixed barrel arranged in the first fixed barrel, a first spring arranged on the moving plate, an air outlet arranged at the bottom of the second fixed barrel, a driving plate arranged in the spray head, a driving ring arranged between the first fixed barrel and the second fixed barrel, and a second spring arranged on the driving ring; when spraying is started, the driving plate is driven to move downwards due to the action of air pressure; at the moment, air pressure is generated in the second fixed cylinder, and the driving ring is driven to move upwards along with the air pressure; at the moment, the moving plate moves upwards, and the blocking needle is separated from the filtering hole; then the plastic polyurethane powder is sprayed on the three-dimensional fabric through the filtering holes from the gap between the moving plate and the driving plate.
The driving plate can be pressed according to air pressure through the arrangement of the driving plate, so that air pressure is generated in the second fixed barrel to drive the moving plate to move upwards; on one hand, the moving plate can react rapidly during spraying, and polyurethane is prevented from being blocked in the spray head; on the other hand, the movement of the through blocking needle is ensured, so that the filter hole is kept in a smooth state at any time; the setting through the fixed section of thick bamboo of second has realized that the atmospheric pressure that produces can drive the movable plate rebound for can leave the filtration pore rapidly through stifled needle when spraying, improve stability.
The limiting device comprises a moving track arranged on the side wall of the main body, limiting teeth arranged in the moving track, a moving block arranged in the moving track, a reset spring arranged on the moving block, clamping teeth arranged on the moving block, a third spring arranged on the clamping teeth, an air pressure channel arranged in the moving roller, a piston rod arranged in the air pressure channel, a piston spring arranged on the piston rod and an unlocking mechanism arranged in the air pressure channel; pressing the piston rod, and starting to generate air pressure in the air pressure channel; then, under the action of air pressure, an unlocking mechanism is driven to start; limiting teeth by a latch principle through an unlocking mechanism, and then moving a movable roller to enable the three-dimensional fabric to be sleeved on a driving roller; at the moment, under the action of a return spring, the moving block begins to return; so that the three-dimensional fabric is just tensioned.
The movable roller is driven to move by the arrangement of the movable block, so that the movable roller can move more stably; the stability of the movable roller during rotation is improved; the stability of the movable roller is improved when the movable roller rotates through the limiting teeth and the clamping teeth, and the movable roller is prevented from vibrating when the movable roller rotates, so that the polyurethane powder is not uniformly sprayed; the movable roller can automatically reset through the reset spring, and the movable roller can adjust the position of the movable roller according to the specification of the three-dimensional fabric, so that the movable roller is suitable for the three-dimensional fabrics with different specifications.
The unlocking mechanism comprises a piston block arranged in the air pressure channel, a third spring arranged on the piston block, a spring piece arranged on the piston block and a pull rope arranged on the spring piece; when the piston rod moves in the air pressure channel, the generated air pressure drives the piston block to move downwards; then the spring piece is folded, and the pull rope is pulled so as to pull the latch to unlock.
Realize the unblock to the latch through changing the subassembly for when removing the movable roll, more smooth and easy of ability has improved the stability of movable roll.
The movable frame comprises a piston cavity arranged at the bottom of the main body, a lifting block arranged in the piston cavity, a movable frame arranged on the lifting block, a groove arranged on the movable frame, a rotating roller arranged in the groove, an air cavity arranged at the bottom of the main body, a pedal arranged on the air cavity, a fifth spring arranged on the pedal, a piston arranged on the pedal, a pressure relief hole arranged on the main body, a pressure relief spring arranged on the pressure relief hole, a pressure relief key arranged on the pressure relief spring, a first one-way valve and a second one-way valve arranged on the piston cavity; the foot pedal is stepped by feet to drive the piston to move downwards; at the moment, air pressure is generated in the air cavity to drive the lifting block to move upwards; until the groove is butted with the rotating roller; when the driving roller is rotated, the driving roller drives the rotating roller to rotate together; and when the pressure relief key is pressed down, the pressure relief hole begins to empty the air in the cavity, and the lifting block descends, so that the groove is separated from the driving roller.
The two movable frames are driven to move through the arrangement of the lifting block, so that the movable frames stably ascend; the stability of the movable frame is improved; the grooves are arranged to be embedded with the driving roller and the movable roller, so that the driving roller and the movable roller can rotate stably; the spraying stability is improved, the coating on the surface of the conveying belt is more uniform, and the wear resistance of the conveying belt is improved; the driving roller and the movable roller can rotate stably through the arrangement of the rotating roller, so that the phenomenon that vibration is generated during rotation to cause uneven spraying is avoided; the lifting block is more stable and convenient through the arrangement of the pedal; the lifting block slowly descends and moves during pressure relief through the arrangement of the pressure relief hole, so that the movable frame descends stably, and the stability of the equipment is improved; the pressure relief key is arranged, so that pressure relief is needed only by pressing, and the pressure relief is more convenient.
In conclusion, the invention has the following advantages: the three-dimensional fabric is used as a framework material, so that the elongation is reduced, and the wear resistance of the conveying belt is improved; the wear resistance of the surface of the conveyor belt is improved by coating polyurethane powder, and the requirement of conveying heavy objects is met; manual smearing is banned during manufacturing through the spraying device, the smearing uniformity is guaranteed, and the stability of the conveying belt is improved; the conveyer belt surface course adopts high strength low rigidity coating level polyurethane powder, and this material is favorable to suppressing the decorative pattern, at the in-process of climbing, can guarantee that the conveyer belt has sufficient grabbing power to article to improve conveyer belt surface wear resistance, satisfy the heavy object and carry the demand.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a front view of the present invention.
Fig. 3 is a left side view of the present invention.
Fig. 4 is a schematic structural diagram of the showerhead of the present invention.
Fig. 5 is a top view of fig. 4 of the present invention.
Fig. 6 is a cross-sectional view taken along D-D of fig. 5 of the present invention.
FIG. 7 is a cross-sectional perspective view taken along D-D of FIG. 5 of the present invention.
Fig. 8 is a partial view of the invention at E of fig. 7.
Fig. 9 is a cross-sectional perspective view along a-a of fig. 2 of the present invention.
Fig. 10 is a sectional plan view taken along a-a of fig. 2 of the present invention.
Fig. 11 is a cross-sectional view taken along B-B of fig. 2 of the present invention.
Fig. 12 is a cross-sectional view taken along C-C of fig. 3 of the present invention.
Fig. 13 is a partial view of fig. 10 taken at a in accordance with the present invention.
Fig. 14 is a partial view of the invention at B of fig. 12.
Fig. 15 is a partial view of the invention at C of fig. 11.
Fig. 16 is a partial view of the invention at D in fig. 11.
Detailed Description
Example one
As shown in fig. 1-16, a method of making a wear resistant and durable conveyor belt comprises the steps of:
a. shaping the high-strength three-dimensional fabric;
b. priming the rough surface of the high-strength three-dimensional fabric with an aqueous polyurethane primer to form a primer layer;
c. coating high-wear-resistance thermoplastic polyurethane powder on the bottom coating, and performing heat setting at 180 ℃;
d. pressing patterns through a pattern roller and forming;
the smearing machine in the step c comprises a main body 1, a driving roller 2, a movable roller 3, a limiting device 4, a movable frame 5 and a spraying device 6; the spraying device 6 comprises a containing box 61, a pressing roller 62, a spray head 63 and an anti-blocking mechanism 7; the longitudinal section of the main body 1 is L-shaped; the driving roller 2 is rotatably embedded on the side wall of the main body 1; the movable roller 3 is rotatably and movably embedded on the side wall of the main body 1 and is positioned on one side of the driving roller 1; the limiting device 4 is arranged on the movable roller 3; the movable frame 5 can be embedded at the bottom of the main body 1 in a vertically moving manner; the spraying device 6 is arranged on the upper end wall of the main body 1; the containing box 61 is arranged on the upper end surface of the main body 1; the pressing rod 62 is arranged below the containing box 61; a plurality of spray heads 63 are uniformly arranged along the length direction of the pressure applying rod 62; the anti-blocking mechanism 7 is arranged in the spray head 63.
As shown in fig. 4-6, the anti-blocking mechanism 7 comprises a nozzle 71, a filter plate 72, a filter hole 73, a first fixed cylinder 74, a moving plate 75, a blocking needle 76, a driving assembly 8 and a conical block 77; the cross section of the spout 71 is rectangular, and the opening direction is inclined by 45 degrees with the upper surface of the three-dimensional fabric; the filter plate 72 is arranged in the nozzle 71; the filtering holes 73 are formed in the filtering plate 72; the first fixed cylinder 74 is arranged in the spray head 63; the moving plate 75 is movably embedded on the first fixed cylinder 74; the plugging needle 76 is arranged on the moving plate 75, and the plugging needle 76 can be butted with the filtering hole 73; the driving assembly 8 is arranged in the first fixed cylinder 74; the tapered block 77 is provided on the back surface of the moving block 75, and the tapered block 77 has a triangular longitudinal section.
As shown in fig. 7 to 8, the driving assembly 8 includes a second fixed cylinder 81, a first spring 82, an air outlet 83, a driving plate 84, a driving ring 85, a second spring 86; the second fixed cylinder 81 is arranged in the first fixed cylinder 74; the first spring 82 connects the moving plate 75 and the bottom of the second fixed cylinder 81; the air outlet 83 is arranged at the bottom of the second fixed cylinder 81; the driving plate 84 can be embedded in the spray head 63 in a vertically moving mode; the drive ring 85 is provided between the first fixed barrel 74 and the second fixed barrel 81; the second spring 86 connects the drive ring 85 and the bottom of the nozzle 63.
As shown in fig. 9-13, the limiting device 4 includes a moving track 41, a limiting tooth 42, a moving block 43, a return spring 44, a latch 45, a third spring 46, a pneumatic channel 47, a piston rod 48, a piston spring 49, and an unlocking mechanism 9; the moving track 41 is arranged on the side wall of the main body 1; the limiting teeth 42 are arranged in the moving track 41; the moving block 43 is movably embedded in the moving track 41; the return spring 44 is connected with the moving block 43 and the side wall of the moving track 41; the latch 45 is arranged on the moving block 43; the third spring 46 is connected with the latch 45 and the moving block 43; the air pressure channel 47 is arranged in the movable roller 3; the piston rod 48 is arranged in the air pressure channel 47; the piston spring 49 is connected with the piston rod 48 and the bottom of the air pressure channel 47; the unlocking mechanism 9 is arranged in the air pressure channel 47.
As shown in fig. 13, the unlocking mechanism 9 includes a piston block 91, a fourth spring 92, a spring plate 93, and a pull rope 94; the piston block 91 is arranged in the air pressure channel 47; the fourth spring 92 connects the piston block 91 and the air pressure passage 47; the spring piece 93 is arranged on the piston block 91; the pull cord 94 connects the latch 45 and the spring plate 93.
As shown in fig. 14 to 16, the movable frame 5 includes a piston chamber 51, a lifting block 52, a movable frame 53, a groove 54, a rotary roller 55, an air chamber 56, a pedal 57, a fifth spring 58, a piston 59, a relief hole 60, a relief spring 61, a relief key 62, a first single valve 63, a second single valve 64; the piston cavity 51 is arranged at the bottom of the main body 1; the lifting block 52 is arranged in the piston cavity 51; the movable frame 53 is arranged on the lifting block 52; the groove 54 is formed in the movable frame 53; the rotating roller 55 is rotatably embedded in the inner surface of the groove 54; the air cavity 56 is arranged at the bottom of the main body 1; the pedal 57 can be embedded on the air cavity 56 in an up-and-down moving way; the piston 59 is arranged on the pedal 57 and positioned in the air cavity 56; the fifth spring 58 is connected with the foot board 57 and the bottom of the air cavity 56; the pressure relief hole 60 is arranged on the main body 1 and communicated with the air cavity 56; the pressure relief key 62 is arranged in the pressure relief hole 60; the pressure relief spring 61 is arranged on the surfaces of the pressure relief key 62 and the pressure relief hole 60; the first check valve 63 is arranged on the inner wall of the piston cavity 51; the second check valve 64 is provided on the outer wall of the piston chamber 51.
The specific working process is as follows: when spraying is started, the high-wear-resistance thermoplastic polyurethane powder is introduced into the pressure application roller 62 under the action of air pressure, and the driving assembly 8 drives the moving plate 75 to move upwards under the action of the air pressure; at this time, the through blocking needle 76 is separated from the filtering hole 73; the polyurethane powder is then sprayed onto the dimensional fabric through the filter holes 73.
Example two
A method of making a wear resistant and durable conveyor belt comprising the steps of:
a. shaping the high-strength three-dimensional fabric;
b. priming the rough surface of the high-strength three-dimensional fabric with an aqueous polyurethane primer to form a primer layer;
c. coating high-wear-resistance thermoplastic polyurethane powder on the base coat, and performing heat setting at 200 ℃;
d. pressing the patterns by a pattern roller and forming.
EXAMPLE III
A method of making a wear resistant and durable conveyor belt comprising the steps of:
a. shaping the high-strength three-dimensional fabric;
b. priming the rough surface of the high-strength three-dimensional fabric with an aqueous polyurethane primer to form a primer layer;
c. coating high-wear-resistance thermoplastic polyurethane powder on the bottom coating, and performing heat setting at 190 ℃;
d. pressing the patterns by a pattern roller and forming.
EXAMPLE III
A method of making a wear resistant and durable conveyor belt comprising the steps of:
a. shaping the high-strength three-dimensional fabric;
b. priming the rough surface of the high-strength three-dimensional fabric with an aqueous polyurethane primer to form a primer layer;
c. coating high-wear-resistance thermoplastic polyurethane powder on the bottom coating, and performing heat setting at 190 ℃;
d. pressing the patterns by a pattern roller and forming.
While there have been shown and described what are at present considered the fundamental principles and essential features of the invention and its advantages, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (8)
1. A manufacturing method of a wear-resistant durable conveying belt is characterized by comprising the following steps: the method comprises the following steps:
a. shaping the high-strength three-dimensional fabric;
b. priming the high-strength three-dimensional fabric with an aqueous polyurethane primer to form a primer layer;
c. putting the three-dimensional fabric into a coating machine, coating wear-resistant thermoplastic polyurethane powder, and shaping;
d. pressing patterns through a pattern roller and forming;
the smearing machine in the step c comprises a main body (1), a driving roller (2) arranged on the main body (1), a movable roller (3) arranged on the side wall of the main body (1), a limiting device (4) arranged on the movable roller (3), a movable frame (5) arranged on the bottom wall of the main body (1), and a spraying device (6) arranged on the upper wall of the main body (1); the spraying device (6) comprises a containing box (61) arranged on the upper wall of the main body (1), a pressure applying rod (62) arranged on the containing box (61), a spray head (63) arranged on the pressure applying rod (62), and an anti-blocking mechanism (7) arranged on the spray head (63); before the equipment is started, one end of the coated three-dimensional fabric is sleeved on the movable roller (3), and then the movable roller (3) is pulled until the other end of the three-dimensional fabric is sleeved on the driving roller (2); then the movable frame (5) is started, and the two ends of the driving roller (2) and the movable roller (3) are closed; starting a driving roller (2) to enable the three-dimensional fabric to start rotating; the spraying device (6) is activated to start spraying the wear-resistant thermoplastic polyurethane powder onto the surface of the three-dimensional fabric.
2. A method of making a wear resistant and durable conveyor belt as in claim 1 wherein: and c, priming the rough surface of the high-strength three-dimensional fabric with the aqueous polyurethane primer in the step b to form a primer layer.
3. A method of making a wear resistant and durable conveyor belt as in claim 1 wherein: and c, coating high-wear-resistance thermoplastic polyurethane powder on the bottom coating in the step c, and performing heat setting at 180-200 ℃.
4. A method of making a wear resistant and durable conveyor belt as in claim 1 wherein: the anti-blocking mechanism (7) comprises a nozzle (71) arranged on the spray head (63), a filter plate (72) arranged at the nozzle (71), a filter hole (73) arranged on the filter plate (72), a first fixed cylinder (74) arranged in the spray head (63), a moving plate (75) arranged on the first fixed cylinder (74), a blocking needle (76) arranged on the moving plate (75), a driving assembly (8) arranged in the first fixed cylinder (74), and a conical block (77) arranged on the back of the moving plate; the plugging needle (76) is embedded in the filter hole (73) under the action of the driving component (8) before spraying; when spraying is started, the high-wear-resistance thermoplastic polyurethane powder is led into the pressure application roller (62) under the action of air pressure, and the driving assembly (8) drives the moving plate (75) to move upwards under the action of the air pressure; at the moment, the blocking needle (76) is separated from the filtering hole (73); then the polyurethane powder is sprayed on the three-dimensional fabric through the filtering holes (73).
5. The method of claim 4, wherein the step of forming a wear resistant and durable conveyor belt comprises: the driving assembly (8) comprises a second fixed barrel (81) arranged in the first fixed barrel (74), a first spring (82) arranged on the moving plate (75), an air outlet (83) arranged at the bottom of the second fixed barrel (81), a driving plate (84) arranged in the spray head (63), a driving ring (85) arranged between the first fixed barrel (74) and the second fixed barrel (81), and a second spring (86) arranged on the driving ring (85); when spraying is started, the driving plate (84) is driven to move downwards due to the action of air pressure; at the moment, air pressure is generated in the second fixed cylinder (81), and the driving ring (85) is driven to move upwards along with the air pressure; at the moment, the moving plate (75) moves upwards, and the blocking needle (76) is separated from the filtering hole (73); then, the plastic polyurethane powder is sprayed on the three-dimensional fabric through the filtering holes (73) from the time gap between the moving plate (75) and the driving plate (84).
6. A method of making a wear resistant and durable conveyor belt as in claim 1 wherein: the limiting device (4) comprises a moving track (41) arranged on the side wall of the main body (1), limiting teeth (42) arranged in the moving track (41), a moving block (43) arranged in the moving track (41), a return spring (44) arranged on the moving block (43), clamping teeth (45) arranged on the moving block (43), third springs (46) arranged on the clamping teeth (45), an air pressure channel (47) arranged in the moving roller (3), a piston rod (48) arranged in the air pressure channel (47), piston springs (49) arranged on the piston rod (48), and an unlocking mechanism (9) arranged in the air pressure channel (47); the piston rod (48) is pressed, and air pressure starts to be generated in the air pressure channel (47); then under the action of air pressure, an unlocking mechanism (9) is driven to start; the latch (45) is far away from the limit tooth (42) through the unlocking mechanism (9), and then the movable roller (3) is moved, so that the three-dimensional fabric can be sleeved on the driving roller (2); at the moment, under the action of a return spring (44), the moving block (43) starts to return; so that the three-dimensional fabric is just tensioned.
7. The method for manufacturing the wear-resistant and durable conveyor belt as claimed in claim 6, wherein the unlocking mechanism (9) comprises a piston block (91) arranged in the air pressure channel (47), a fourth spring (92) arranged on the piston block (91), a spring leaf (93) arranged on the piston block (91), and a pull rope (94) arranged on the spring leaf (93); the piston block (91) is driven to move downwards by air pressure generated when the piston rod (48) moves in the air pressure channel (47); then the spring piece (93) is folded, and the pulling rope (94) is pulled to pull the latch (45) to unlock.
8. A method of making a wear resistant and durable conveyor belt as in claim 1 wherein: the movable frame (5) comprises a piston cavity (51) arranged at the bottom of the main body (1), a lifting block (52) arranged in the piston cavity (51), a movable frame (53) arranged on the lifting block (52), a groove (54) arranged on the movable frame (53), a rotating roller (55) arranged in the groove (54), an air cavity (56) arranged at the bottom of the main body (1) and a pedal (57) arranged on the air cavity (56), a fifth spring (58) arranged on the pedal plate (57), a piston (59) arranged on the pedal plate (57), a pressure relief hole (60) arranged on the main body (1), a pressure relief spring (61) arranged on the pressure relief hole (60), a pressure relief key (62) arranged on the pressure relief spring (61), a first one-way valve (63) and a second one-way valve (64) arranged on the piston cavity (51); the foot pedal (57) is stepped by feet to drive the piston (59) to move downwards; at the moment, air pressure is generated in the air cavity to drive the lifting block (52) to move upwards; until the groove (54) is butted with the rotating roller (55); when the driving roller (2) is rotated, the driving roller (2) drives the rotating roller (55) to rotate together; when a pressure relief key (62) is pressed, the pressure relief hole (60) begins to exhaust the air in the cavity, and the lifting block (52) descends, so that the groove (54) is separated from the driving roller (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010934493.1A CN112111978B (en) | 2020-09-08 | 2020-09-08 | Smearing machine for manufacturing method of wear-resistant durable conveying belt |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010934493.1A CN112111978B (en) | 2020-09-08 | 2020-09-08 | Smearing machine for manufacturing method of wear-resistant durable conveying belt |
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| CN112111978A true CN112111978A (en) | 2020-12-22 |
| CN112111978B CN112111978B (en) | 2021-10-08 |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1493452A (en) * | 2002-10-28 | 2004-05-05 | 兖矿集团有限公司 | Manufacturing method of polyurethane conveying belt |
| CN101736596A (en) * | 2009-12-22 | 2010-06-16 | 上海永利带业股份有限公司 | Method for manufacturing environmentally-friendly polyurethane elastomer conveying belt and aqueous adhesive therein |
| CN106609469A (en) * | 2016-12-01 | 2017-05-03 | 上海永利带业股份有限公司 | High-strength and high-wear-resistance light conveying belt for logistics industry and manufacturing method thereof |
| CN108517701A (en) * | 2018-03-29 | 2018-09-11 | 昆山宝华工业皮带有限公司 | A kind of seamless cycloconveyor belt preparation method of polyurethane |
| CN208917481U (en) * | 2018-09-19 | 2019-05-31 | 绍兴思安阻燃科技有限公司 | A kind of coating unit producing inflaming retarding fabric |
| CN211142461U (en) * | 2019-09-24 | 2020-07-31 | 赵雅宁 | Coating device for processing coating fabric |
-
2020
- 2020-09-08 CN CN202010934493.1A patent/CN112111978B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1493452A (en) * | 2002-10-28 | 2004-05-05 | 兖矿集团有限公司 | Manufacturing method of polyurethane conveying belt |
| CN101736596A (en) * | 2009-12-22 | 2010-06-16 | 上海永利带业股份有限公司 | Method for manufacturing environmentally-friendly polyurethane elastomer conveying belt and aqueous adhesive therein |
| CN106609469A (en) * | 2016-12-01 | 2017-05-03 | 上海永利带业股份有限公司 | High-strength and high-wear-resistance light conveying belt for logistics industry and manufacturing method thereof |
| CN108517701A (en) * | 2018-03-29 | 2018-09-11 | 昆山宝华工业皮带有限公司 | A kind of seamless cycloconveyor belt preparation method of polyurethane |
| CN208917481U (en) * | 2018-09-19 | 2019-05-31 | 绍兴思安阻燃科技有限公司 | A kind of coating unit producing inflaming retarding fabric |
| CN211142461U (en) * | 2019-09-24 | 2020-07-31 | 赵雅宁 | Coating device for processing coating fabric |
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|---|---|
| CN112111978B (en) | 2021-10-08 |
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