CN114950296B - Preparation equipment of hydrolysis-resistant aqueous polyurethane adhesive for shoes - Google Patents
Preparation equipment of hydrolysis-resistant aqueous polyurethane adhesive for shoes Download PDFInfo
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- CN114950296B CN114950296B CN202210315393.XA CN202210315393A CN114950296B CN 114950296 B CN114950296 B CN 114950296B CN 202210315393 A CN202210315393 A CN 202210315393A CN 114950296 B CN114950296 B CN 114950296B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/0053—Details of the reactor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B7/00—Cleaning by methods not provided for in a single other subclass or a single group in this subclass
- B08B7/0064—Cleaning by methods not provided for in a single other subclass or a single group in this subclass by temperature changes
- B08B7/0071—Cleaning by methods not provided for in a single other subclass or a single group in this subclass by temperature changes by heating
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
- B08B9/08—Cleaning containers, e.g. tanks
- B08B9/0804—Cleaning containers having tubular shape, e.g. casks, barrels, drums
- B08B9/0808—Cleaning containers having tubular shape, e.g. casks, barrels, drums by methods involving the use of tools, e.g. by brushes, scrapers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
- B08B9/08—Cleaning containers, e.g. tanks
- B08B9/0804—Cleaning containers having tubular shape, e.g. casks, barrels, drums
- B08B9/0813—Cleaning containers having tubular shape, e.g. casks, barrels, drums by the force of jets or sprays
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J175/00—Adhesives based on polyureas or polyurethanes; Adhesives based on derivatives of such polymers
- C09J175/04—Polyurethanes
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/141—Feedstock
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Mixers Of The Rotary Stirring Type (AREA)
- Polyurethanes Or Polyureas (AREA)
Abstract
The invention discloses hydrolysis-resistant waterborne polyurethane adhesive preparation equipment for shoes, which comprises a reaction kettle, wherein an external water pipe is fixedly connected to the reaction kettle, and a switch valve is arranged on the external water pipe; the device also comprises a driving assembly, wherein the driving assembly is arranged on the reaction kettle; the spraying assembly is arranged on the reaction kettle and is connected with the driving assembly; scrape the movable assembly, scrape the movable assembly setting in reation kettle and be connected with drive assembly, this shoes are with hydrolysis-resistant waterborne polyurethane adhesive preparation facilities relates to polyurethane adhesive technical field, through drive assembly, spray assembly and scrape the cooperation setting of movable assembly, has solved and has originally reation kettle after producing hydrolysis-resistant waterborne polyurethane adhesive, the problem of remaining adhesive difficult clearance in the reation kettle.
Description
Technical Field
The invention relates to the technical field of polyurethane adhesives, in particular to equipment for preparing hydrolysis-resistant water-based polyurethane adhesives for shoes.
Background
Polyurethane (PU), which is a polymer compound and is produced by otto bayer and the like in 1937, has two main types, namely polyester type and polyether type, and can be produced into polyurethane plastics (mainly foamed plastics), polyurethane fibers (called polyurethane in china), polyurethane rubber and elastomers, wherein the aqueous polyurethane adhesive is an adhesive formed by dissolving polyurethane in water or dispersing polyurethane in water, and the aqueous polyurethane adhesive is also called aqueous polyurethane or water-based polyurethane.
At present, various raw materials are sequentially placed into a reaction kettle according to corresponding proportion when the waterborne polyurethane adhesive is produced, and finally mixed and stirred, so that the waterborne polyurethane adhesive is produced, and the waterborne polyurethane adhesive is collected after the production is finished, but a certain amount of residues are remained in the reaction kettle and are adhered to the bottom end or the inner wall of the reaction kettle, and particularly after cooling for a period of time, the waterborne polyurethane adhesive is more difficult to clean, and the workload of subsequent staff is increased.
Disclosure of Invention
The invention aims to provide equipment for preparing hydrolysis-resistant aqueous polyurethane adhesive for shoes, which aims to solve the problems in the background technology.
In order to achieve the above purpose, the present invention provides the following technical solutions: the preparation equipment of the hydrolysis-resistant waterborne polyurethane adhesive for the shoes comprises a reaction kettle, wherein an external water pipe is fixedly connected to the reaction kettle, and a switch valve is arranged on the external water pipe; the device also comprises a driving assembly, wherein the driving assembly is arranged on the reaction kettle; the spraying assembly is arranged on the reaction kettle and is connected with the driving assembly; the scraping assembly is arranged in the reaction kettle and is connected with the driving assembly, so that the problem that residual adhesive in the reaction kettle is difficult to clean after the hydrolysis-resistant aqueous polyurethane adhesive is produced by the original reaction kettle is solved.
Preferably, the driving assembly comprises a mounting seat which is arranged on the reaction kettle and is fixedly connected with the reaction kettle, a motor is fixedly connected to the mounting seat, the output end of the motor is fixedly connected with a first rotating shaft, a driving wheel is fixedly connected to the first rotating shaft, a first fixing block which is fixedly connected with the reaction kettle is rotationally connected, a first gear is fixedly connected to one end of the motor, the first gear is meshed and connected with an outer gear ring which is rotationally connected with the reaction kettle, the outer gear ring is connected with a heating mechanism, a belt is connected to the driving wheel in a driving mode, the belt is connected with a driven wheel, and the driving wheel is beneficial to driving the spraying assembly and the scraping assembly to operate simultaneously.
Preferably, the heating mechanism comprises a plurality of groups of second fixed blocks which are arranged on the reaction kettle and fixedly connected with the reaction kettle, a plurality of groups of second fixed blocks are rotationally connected with a first reciprocating screw rod, a second gear which is in meshed connection with the outer gear ring is fixedly connected to the first reciprocating screw rod, and a heating ring which is in sliding connection with the reaction kettle is in threaded connection with the first gear ring, so that residues on the inner wall are prevented from being cooled and solidified.
Preferably, the spraying assembly comprises a second reciprocating screw rod fixedly connected with the first gear, the second reciprocating screw rod is in threaded connection with a rectangular sleeve, the rectangular sleeve is in sliding connection with a base, an air bag is fixedly connected to the base, a supporting block is fixedly connected to the reaction kettle, an air outlet is formed in the air bag, the air bag is fixedly connected with a connecting block which is in sliding connection with the switch valve, one end of the supporting block is provided with a tension spring fixedly connected with the supporting block, the other end of the tension spring is fixedly connected with a sliding block which is in sliding connection with the switch valve, and water is supplied to the reaction kettle when residues are cleaned in a matched mode.
Preferably, the scraping assembly comprises a second rotating shaft which is rotationally connected with the reaction kettle and is fixedly connected with the driven wheel, the second rotating shaft is fixedly connected with a scraping plate which is in sliding connection with the inner wall of the reaction kettle, the bottom end of the scraping plate is fixedly connected with a scraping box which is in sliding connection with the bottom end inside the reaction kettle, a first rotating ring which is rotationally connected with the scraping plate is arranged in the scraping box, a driving belt is in driving connection with the first rotating ring, the driving belt is in driving connection with a second rotating ring, the second rotating ring is fixedly connected with a third reciprocating screw which is rotationally connected with the scraping plate, a third gear is fixedly connected with the scraping block which is in sliding connection with the two sides of the scraping plate, a fourth gear is in meshed connection with the third rotating shaft, a ring gear is in meshed connection with the first rotating ring, the first rotating ring is rotationally connected with the third rotating shaft, the first rotating ring is rotationally connected with the bottom end of the first rotating ring, the second rotating ring is fixedly connected with the second rotating ring, and the second rotating ring is fixedly connected with the residue inside the reaction kettle.
Preferably, the external water pipe is provided with a high-pressure spray head at one end of the reaction kettle, which is beneficial to enhancing the cleaning force of residues.
Preferably, the heating ring is formed by hinging a plurality of groups of heating plates, which is beneficial to the disassembly and assembly of the heating ring.
Preferably, the one end fixedly connected with pushing block that the rectangle cover was kept away from first gear is favorable to the connection of rectangle cover and base more stable.
Preferably, the blocking block is fixedly connected to the top end of the third reciprocating screw rod, so that the scraping block can move more stably.
The hydrolysis-resistant aqueous polyurethane adhesive for shoes is characterized in that the preparation raw materials comprise the following components in percentage by weight:
high crystallinity polyester polyols: 70-85 parts of hydroxyl-terminated sulfonate polyether with a molecular weight of 200 to 1000: 2.5-9.5 parts of diisocyanate and 12-18 parts of a polyurethane foam; small molecule hydroxyl-terminated chain extender with pendant groups: 0.1-2.0 parts of small molecule amino-terminated chain extender: 0.1-0.5 part of catalyst: 10ppm to 50ppm; defoaming agent: 0.05% -0.25% of a base material;
the method is characterized by further comprising the following steps:
s1: firstly, mixing high crystallinity polyester polyol and high molecular weight hydroxyl-terminated sulfonate polyether at 90-110 ℃, evacuating and dehydrating for 1-2h; under the protection of nitrogen, diisocyanate and part of catalyst are added to react for 1-3 hours at 70-90 ℃; cooling to 50-70deg.C; adding a small molecular hydroxyl-terminated chain extender acetone solution with a solid content of 40-60% and a side group and the rest catalyst, and carrying out reflux reaction for 1-3 hours to obtain a prepolymer;
s2: adding 100-120 parts of acetone, and dissolving for 30-90 min; cooling to 30-40deg.C; under high-speed stirring, rapidly adding the mixture into 100-110 parts of deionized water at 20-30 ℃ for high-speed dispersion; after dispersing, stirring is reduced to low-speed stirring, and a small molecular terminal amino chain extender acetone solution with the solid content of 40-60% is added;
s3: heating to 40-50 ℃ for reaction and curing for 5-8h; adding an antifoaming agent, and stirring at a low speed for 30min; vacuumizing, controlling the vacuum degree to be-0.1 MPa, removing acetone in the solution phase under high-speed stirring, and recycling the acetone.
Compared with the prior art, the invention has the beneficial effects that:
according to the invention, through the cooperation arrangement of the driving assembly, the spraying assembly and the scraping assembly, the problem that residual adhesive in the reaction kettle is difficult to clean after the hydrolysis-resistant aqueous polyurethane adhesive is produced in the original reaction kettle is solved, the driving assembly drives the spraying assembly to operate, water is injected into the reaction kettle, the outer wall of the reaction kettle is heated, the residual adhesive is prevented from being solidified on the inner wall, meanwhile, the scraping assembly is driven to operate, repeated scraping is carried out on the inner wall and the bottom end of the reaction kettle, and the efficiency of cleaning the residues is improved.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is an enlarged view of area A of FIG. 1;
FIG. 3 is a schematic diagram of a driving assembly according to the present invention;
FIG. 4 is an enlarged view of area B of FIG. 3;
FIG. 5 is a schematic diagram of the internal structure of the reaction kettle;
FIG. 6 is a schematic view of a portion of a scraping assembly of the present invention;
FIG. 7 is an exploded view of the scraper assembly of the present invention;
FIG. 8 is an enlarged view of region C of FIG. 7;
FIG. 9 is a schematic view of a spray assembly of the present invention;
FIG. 10 is a schematic view showing a specific structure of the heating ring of the present invention.
In the figure: 1-a reaction kettle; 2-connecting an external water pipe; 3-switching a valve; 4-a drive assembly; 5-a spray assembly; 6-scraping assembly; 7-a mounting seat; 8-an electric motor; 9-a first rotating shaft; 10-a driving wheel; 11-a first fixed block; 12-a first gear; 13-an outer toothed ring; 14-a heating mechanism; 15-a belt; 16-driven wheel; 17-a second fixed block; 18-a first reciprocating screw; 19-a second gear; 20-heating ring; 21-a second reciprocating screw rod; 22-rectangular sleeve; 23-a base; 24-an air bag; 25-supporting blocks; 26-an air outlet; 27-connecting blocks; 28-tension springs; 29-a slider; 30-a second rotating shaft; 31-scraping plate; 32-scraping box; 33-a first rotating ring; 34-a drive belt; 35-a second rotating ring; 36-a third reciprocating screw rod; 37-scraping block; 38-a third gear; 39-fourth gear; 40-a third rotating shaft; 41-an inner gear ring; 42-fixing seat; 43-pushing block; 44-blocking block.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Example 1
Referring to fig. 1 to 10, the present invention provides a technical solution: a preparation device of hydrolysis-resistant aqueous polyurethane adhesive for shoes comprises: the reaction kettle 1 is fixedly connected with an external water pipe 2, and the external water pipe 2 is provided with a switch valve 3; further comprises: the driving assembly 4 is arranged on the reaction kettle 1; the spraying assembly 5 is arranged on the reaction kettle 1 and is connected with the driving assembly 4; the scraping assembly 6 is arranged in the reaction kettle 1 and connected with the driving assembly 4, wherein in order to enhance the cleaning force of residual adhesive, one end of the external water pipe 2, which is positioned in the reaction kettle 1, is provided with a high-pressure spray head.
Referring to fig. 3-4, in the drawings, a driving assembly 4 includes a mounting seat 7 disposed on a reaction kettle 1 and fixedly connected with the reaction kettle 1, a motor 8 is fixedly connected to the mounting seat 7, an output end of the motor 8 is fixedly connected with a first rotating shaft 9, a driving wheel 10 is fixedly connected to the first rotating shaft 9, a first fixing block 11 fixedly connected with the reaction kettle 1 is rotatably connected, a first gear 12 is fixedly connected to one end far away from the motor 8, the first gear 12 is meshed with an outer gear ring 13 rotatably connected with the reaction kettle 1, the outer gear ring 13 is connected with a heating mechanism 14, a belt 15 is connected to the driving wheel 10 in a transmission manner, and a driven wheel 16 is connected to the belt 15 in a transmission manner.
Referring to fig. 1-3, in the drawings, a heating mechanism 14 includes a plurality of groups of second fixing blocks 17 disposed on a reaction kettle 1 and fixedly connected with the reaction kettle 1, the plurality of groups of second fixing blocks 17 are rotatably connected with a first reciprocating screw rod 18, the first reciprocating screw rod 18 is fixedly connected with a second gear 19 engaged with and connected with an external gear ring 13, and is screwed with a heating ring 20 slidably connected with the reaction kettle 1, wherein, in order to facilitate disassembly and assembly of the heating ring 20, the heating ring 20 is formed by hinging a plurality of groups of heating plates.
When the hydrolysis-resistant aqueous polyurethane adhesive is produced in the reaction kettle 1 and is taken out, in order to prevent residual adhesive from adhering to the inner wall or the bottom end, the motor 8 is controlled to operate, the output end of the motor 8 drives the first rotating shaft 9 and the first fixed block 11 to rotate, the first rotating shaft 9 further drives the first gear 12 to rotate simultaneously, the first gear 12 rotates and simultaneously drives the spraying assembly 5 to operate, the spraying assembly 5 drives the switching valve 3 to operate during operation, the valve port of the external water pipe 2 is opened, a water source enters the reaction kettle 1, the first rotating shaft 9 drives the driving wheel 10 to rotate during rotation, the driven wheel 16 is further driven to rotate through the transmission connection of the belt 15, the driven wheel 16 further drives the scraping assembly 6 connected with the driven wheel 16 to operate, scraping is carried out on the inner wall and the bottom end of the reaction kettle 1, the spraying component 5 is matched, the residual cleaning force is enhanced, the first gear 12 is connected with the outer gear ring 13 in a meshed manner, the first gear 12 drives the outer gear ring 13 to rotate on the reaction kettle 1 during rotation, the outer gear ring 13 is connected with the second gear 19 in a meshed manner during rotation, the outer gear ring 13 drives the second gear 19 to rotate simultaneously during rotation, the second gear 19 immediately drives the first reciprocating screw 18 to rotate on the second fixed block 17, the first reciprocating screw 18 is connected with the threads of the heating ring 20 in a threaded manner, the first reciprocating screw 18 drives the heating ring 20 to reciprocate, slide up and down on the outer wall of the reaction kettle 1 during rotation and heat, residual adhesive is prevented from cooling and adhering to the inner wall, and the cleaning force is improved.
Example 2
In the embodiment 1, referring to fig. 1, fig. 2 and fig. 9 for further description, the spray assembly 5 includes a second reciprocating screw 21 fixedly connected with the first gear 12, the second reciprocating screw 21 is screwed with a rectangular sleeve 22, the rectangular sleeve 22 is slidably connected with a base 23, an air bag 24 is fixedly connected with the base 23, and is fixedly connected with a supporting block 25 fixedly connected with the reaction kettle 1, an air outlet 26 is provided on the air bag 24, and is fixedly connected with a connecting block 27 slidably connected with the switch valve 3, a tension spring 28 with one end fixedly connected with the supporting block 25 is provided on the supporting block 25, and a sliding block 29 with the switch valve 3 is fixedly connected with the other end of the tension spring 28, wherein, in order to make the connection between the rectangular sleeve 22 and the base 23 more stable, one end of the rectangular sleeve 22 far away from the first gear 12 is fixedly connected with a pushing block 43.
When the first gear 12 rotates, the second reciprocating screw 21 fixedly connected with the first gear 12 rotates at the same time, the second reciprocating screw 21 is in threaded connection with the rectangular sleeve 22, when the second reciprocating screw 21 rotates, the rectangular sleeve 22 is driven to move up and down and slide back and forth with the base 23, the rectangular sleeve 22 moves with the base 23 in a reciprocating lifting manner, the air bag 24 is continuously inflated, the connecting block 27 is propped up in the process of continuously inflating the air bag 24, the connecting block 27 is driven to slide with the switch valve 3 until the switch valve 3 is propped up through the connecting block 27, the valve port of the external water pipe 2 is opened by the switch valve 3, a water source smoothly enters the reaction kettle 1 through the external water pipe 2, in the process of opening the switch valve 3 upwards, the sliding block 29 slides on the switch valve 3 in a matched manner, the tension spring 28 stretches, the air bag 24 is enabled to be continuously and outwards discharged in a reciprocating manner, the air bag 24 is prevented from expanding, after the cleaning is completed, gas in the air bag 24 is gradually leaked and is continuously and is withheld, the connecting block 27 is propped up, the switch valve 3 is pulled down, and the external water pipe 2 is closed, and the water supply valve 2 is stopped, and the external water supply valve 2 is closed.
Example 3
In the embodiment 3 described with reference to fig. 5 to 8, the scraping assembly 6 includes a second rotating shaft 30 rotatably connected to the reaction kettle 1 and fixedly connected to the driven wheel 16, the second rotating shaft 30 is fixedly connected to a scraping plate 31 slidably connected to an inner wall of the reaction kettle 1, a scraping box 32 slidably connected to an inner bottom end of the reaction kettle 1 is fixedly connected to a bottom end of the scraping plate 31, a first rotating ring 33 rotatably connected to the scraping plate 31 is disposed in the scraping box 32, a driving belt 34 is drivingly connected to the first rotating ring 33, a second rotating ring 35 is drivingly connected to the driving belt 34, a third reciprocating screw 36 rotatably connected to the scraping plate 31 is fixedly connected to the second rotating ring 35, the third reciprocating screw rod 36 is in threaded connection with scraping blocks 37 which are in sliding connection with two sides of the scraping plate 31, a third gear 38 is fixedly connected to the second rotating shaft 30, a fourth gear 39 is connected to the third gear 38 in a meshed manner, a third rotating shaft 40 is fixedly connected to the fourth gear 39, an inner gear ring 41 which is fixedly connected with the first rotating ring 33 is connected in a meshed manner, a fixed seat 42 which is rotationally connected with the third rotating shaft 40 is rotationally connected to the bottom end of the first rotating ring 33, the fixed seat 42 is sleeved on the second rotating shaft 30 and is fixedly connected with the bottom end inside the reaction kettle 1, and a blocking block 44 is fixedly connected to the top end of the third reciprocating screw rod 36 in order to enable the scraping blocks 37 to move on the third reciprocating screw rod 36 to be more stable.
When the driven wheel 16 rotates, the driven wheel 16 further drives the second rotating shaft 30 to rotate with the reaction kettle 1, the second rotating shaft 30 drives the fixedly connected scraping plate 31 to rotate in the reaction kettle 1 by taking the second rotating shaft 30 as a circle center, the inner wall of the reaction kettle 1 is scraped, the scraping plate 31 drives the fixedly connected scraping box 32 to scrape the bottom end of the reaction kettle 1, the second rotating shaft 30 drives the third gear 38 to rotate simultaneously when rotating, the third gear 38 drives the fourth gear 39 to rotate simultaneously when rotating, the fourth gear 39 immediately drives the third rotating shaft 40 to rotate on the fixed seat 42 and drives the inner gear ring 41 to rotate further by the meshing connection of the fourth gear 39 and the inner gear ring 41, the first rotating ring 33 drives the second rotating ring 35 to rotate simultaneously when rotating through the transmission connection of the transmission belt 34, the second rotating ring 35 drives the third reciprocating screw 36 to rotate simultaneously with the scraping plate 31 when rotating, and the third reciprocating screw 36 is stacked on the two sides of the scraping plate 37 when the scraping plate 31 is driven to reciprocate by the third rotating and the scraping plate 37 is stacked on the two sides of the scraping plate 31.
The hydrolysis-resistant aqueous polyurethane adhesive for shoes is characterized in that the preparation raw materials comprise the following components in percentage by weight:
high crystallinity polyester polyols: 70-85 parts of hydroxyl-terminated sulfonate polyether with a molecular weight of 200 to 1000: 2.5-9.5 parts of diisocyanate and 12-18 parts of a polyurethane foam; small molecule hydroxyl-terminated chain extender with pendant groups: 0.1-2.0 parts of small molecule amino-terminated chain extender: 0.1-0.5 part of catalyst: 10ppm to 50ppm; defoaming agent: 0.05% -0.25% of a base material;
the method is characterized by further comprising the following steps:
s1: firstly, mixing high crystallinity polyester polyol and high molecular weight hydroxyl-terminated sulfonate polyether at 90-110 ℃, evacuating and dehydrating for 1-2h; under the protection of nitrogen, diisocyanate and part of catalyst are added at 70-90 ℃.
Claims (5)
1. The preparation equipment of the hydrolysis-resistant aqueous polyurethane adhesive for shoes is characterized by comprising the following steps:
the reaction kettle (1), an external water pipe (2) is fixedly connected to the reaction kettle (1), and a switch valve (3) is arranged on the external water pipe (2);
further comprises:
the driving assembly (4) is arranged on the reaction kettle (1);
the spraying assembly (5) is arranged on the reaction kettle (1) and is connected with the driving assembly (4);
the scraping assembly (6) is arranged in the reaction kettle (1) and is connected with the driving assembly (4);
the driving assembly (4) comprises a mounting seat (7) which is arranged on the reaction kettle (1) and fixedly connected with the reaction kettle (1), a motor (8) is fixedly connected to the mounting seat (7), a first rotating shaft (9) is fixedly connected to the output end of the motor (8), a driving wheel (10) is fixedly connected to the first rotating shaft (9), a first fixing block (11) fixedly connected with the reaction kettle (1) is rotationally connected, a first gear (12) is fixedly connected to one end far away from the motor (8), the first gear (12) is meshed and connected with an outer gear ring (13) which is rotationally connected with the reaction kettle (1), a heating mechanism (14) is connected to the outer gear ring (13), a belt (15) is connected to the driving wheel (10) in a driving way, and a driven wheel (16) is connected to the belt (15) in a driving way.
The heating mechanism (14) comprises a plurality of groups of second fixed blocks (17) which are arranged on the reaction kettle (1) and fixedly connected with the reaction kettle (1), a plurality of groups of second fixed blocks (17) are rotationally connected with a first reciprocating screw rod (18), a second gear (19) which is meshed with the outer gear ring (13) and connected with the first reciprocating screw rod (18) is fixedly connected with the first reciprocating screw rod, and a heating ring (20) which is connected with the reaction kettle (1) in a sliding manner is connected with threads;
the spraying assembly (5) comprises a second reciprocating screw rod (21) fixedly connected with the first gear (12), the second reciprocating screw rod (21) is in threaded connection with a rectangular sleeve (22), the rectangular sleeve (22) is in sliding connection with a base (23), an air bag (24) is fixedly connected to the base (23), a supporting block (25) fixedly connected with the reaction kettle (1) is fixedly connected to the base, an air outlet (26) is formed in the air bag (24), a connecting block (27) is fixedly connected with the switch valve (3) in sliding connection, a tension spring (28) is arranged on the supporting block (25), one end of the tension spring (28) is fixedly connected with a sliding block (29) which is in sliding connection with the switch valve (3);
the scraping assembly (6) comprises a second rotating shaft (30) which is rotationally connected with the reaction kettle (1) and is fixedly connected with the driven wheel (16), the second rotating shaft (30) is fixedly connected with a scraping plate (31) which is rotationally connected with the inner wall of the reaction kettle (1), the bottom end of the scraping plate (31) is fixedly connected with a scraping box (32) which is rotationally connected with the bottom end inside the reaction kettle (1), a first rotating ring (33) which is rotationally connected with the scraping plate (31) is arranged in the scraping box (32), a transmission belt (34) is in transmission connection with the first rotating ring (33), a second rotating ring (35) is in transmission connection with the transmission belt (34), a third reciprocating screw (36) which is rotationally connected with the scraping plate (31) is in threaded connection with scraping blocks (37) which are rotationally connected with two sides of the scraping plate (31), a third rotating ring (30) is fixedly connected with a gear (38), a fourth rotating ring (39) is in transmission connection with a fourth rotating ring (39), the bottom end of the first rotating ring (33) is rotationally connected with a fixed seat (42) rotationally connected with the third rotating shaft (40), and the fixed seat (42) is sleeved on the second rotating shaft (30) and fixedly connected with the bottom end inside the reaction kettle (1).
2. The apparatus for preparing hydrolysis-resistant aqueous polyurethane adhesive for shoes according to claim 1, wherein: the external water pipe (2) is provided with a high-pressure spray head at one end of the reaction kettle (1).
3. The apparatus for preparing hydrolysis-resistant aqueous polyurethane adhesive for shoes according to claim 1, wherein: the heating ring (20) is formed by hinging a plurality of groups of heating plates.
4. The apparatus for preparing hydrolysis-resistant aqueous polyurethane adhesive for shoes according to claim 1, wherein: one end of the rectangular sleeve (22) far away from the first gear (12) is fixedly connected with a pushing block (43).
5. The apparatus for preparing hydrolysis-resistant aqueous polyurethane adhesive for shoes according to claim 1, wherein: and a blocking block (44) is fixedly connected to the top end of the third reciprocating screw rod (36).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210315393.XA CN114950296B (en) | 2022-03-29 | 2022-03-29 | Preparation equipment of hydrolysis-resistant aqueous polyurethane adhesive for shoes |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210315393.XA CN114950296B (en) | 2022-03-29 | 2022-03-29 | Preparation equipment of hydrolysis-resistant aqueous polyurethane adhesive for shoes |
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| CN114950296A CN114950296A (en) | 2022-08-30 |
| CN114950296B true CN114950296B (en) | 2023-08-25 |
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| CN115591537B (en) * | 2022-10-26 | 2023-08-25 | 江苏芬纳环保科技有限公司 | Molecular sieve forming device and process |
| CN117402727A (en) * | 2023-10-28 | 2024-01-16 | 南通康盛医疗器械有限公司 | Fermentation tank for biological agent and fermentation process thereof |
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| CN212942848U (en) * | 2020-06-03 | 2021-04-13 | 辽宁伊万斯清洁科技有限公司 | Reaction kettle for chemical catalytic reaction |
| CN112718759A (en) * | 2020-12-15 | 2021-04-30 | 宜昌华悦光电科技有限公司 | Optical lens piece belt cleaning device |
| CN215050171U (en) * | 2021-06-24 | 2021-12-07 | 福建省金农威饲料有限公司 | Pig is fermenting installation for feed production with mix stirring function |
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| CN109621874A (en) * | 2019-01-24 | 2019-04-16 | 杨韦韦 | Mix reaction equipment is used in industrial chemicals production |
| CN110918033A (en) * | 2019-12-05 | 2020-03-27 | 江西纳森科技有限公司 | Sealed production of gluing of organosilicon is with vertical high-efficient reation kettle |
| CN211800577U (en) * | 2019-12-24 | 2020-10-30 | 广州光科机械设备有限公司 | Solvent dispersion tank with material heated uniformly |
| CN212549527U (en) * | 2020-05-22 | 2021-02-19 | 英克化工科技（太仓）有限公司 | Polyester polyol reation kettle who facilitates use |
| CN212942848U (en) * | 2020-06-03 | 2021-04-13 | 辽宁伊万斯清洁科技有限公司 | Reaction kettle for chemical catalytic reaction |
| CN112430447A (en) * | 2020-11-25 | 2021-03-02 | 保定邦泰高分子新材料有限公司 | Waterborne polyurethane adhesive for shoes and preparation process thereof |
| CN112718759A (en) * | 2020-12-15 | 2021-04-30 | 宜昌华悦光电科技有限公司 | Optical lens piece belt cleaning device |
| CN215050171U (en) * | 2021-06-24 | 2021-12-07 | 福建省金农威饲料有限公司 | Pig is fermenting installation for feed production with mix stirring function |
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| CN114950296A (en) | 2022-08-30 |
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