CN117695942B - Reaction type polyurethane hot melt adhesive production reaction kettle - Google Patents
Reaction type polyurethane hot melt adhesive production reaction kettle Download PDFInfo
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- CN117695942B CN117695942B CN202410159904.2A CN202410159904A CN117695942B CN 117695942 B CN117695942 B CN 117695942B CN 202410159904 A CN202410159904 A CN 202410159904A CN 117695942 B CN117695942 B CN 117695942B
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- 238000006243 chemical reaction Methods 0.000 title claims abstract description 40
- 239000004831 Hot glue Substances 0.000 title claims abstract description 14
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 10
- 229920002635 polyurethane Polymers 0.000 title claims abstract description 10
- 239000004814 polyurethane Substances 0.000 title claims abstract description 10
- 238000006757 chemical reactions by type Methods 0.000 title claims abstract description 9
- 238000003756 stirring Methods 0.000 claims abstract description 13
- 238000007789 sealing Methods 0.000 claims abstract description 10
- 239000000843 powder Substances 0.000 claims description 25
- 238000011049 filling Methods 0.000 claims description 18
- 238000000605 extraction Methods 0.000 claims description 10
- 238000011084 recovery Methods 0.000 claims description 8
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 238000004064 recycling Methods 0.000 claims description 2
- 239000000463 material Substances 0.000 abstract description 48
- 239000007788 liquid Substances 0.000 abstract description 19
- 238000002360 preparation method Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 5
- 230000004308 accommodation Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 230000001960 triggered effect Effects 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 239000002671 adjuvant Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000012948 isocyanate Substances 0.000 description 1
- 150000002513 isocyanates Chemical class 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
Classifications
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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
- B01J4/00—Feed or outlet devices; Feed or outlet control devices
- B01J4/001—Feed or outlet devices as such, e.g. feeding tubes
-
- 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
- B01J4/00—Feed or outlet devices; Feed or outlet control devices
- B01J4/001—Feed or outlet devices as such, e.g. feeding tubes
- B01J4/007—Feed or outlet devices as such, e.g. feeding tubes provided with moving parts
-
- 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
- B01J4/00—Feed or outlet devices; Feed or outlet control devices
- B01J4/008—Feed or outlet control devices
-
- 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
- B01J4/00—Feed or outlet devices; Feed or outlet control devices
- B01J4/02—Feed or outlet devices; Feed or outlet control devices for feeding measured, i.e. prescribed quantities of reagents
-
- 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
- B01J2204/00—Aspects relating to feed or outlet devices; Regulating devices for feed or outlet devices
- B01J2204/002—Aspects relating to feed or outlet devices; Regulating devices for feed or outlet devices the feeding side being of particular interest
-
- 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)
- Chemical Kinetics & Catalysis (AREA)
- Basic Packing Technique (AREA)
Abstract
The invention provides a reaction type polyurethane hot melt adhesive production reaction kettle, which relates to the technical field of hot melt adhesive preparation and comprises the following components: the reaction main body is provided with a pipeline at the bottom and is connected with a stirring motor and a first electromagnetic valve, the stirring motor is fixed in a sealing way, and the shaft end of the stirring motor is provided with a stirrer; an input pipe is integrally arranged in the middle of the top of the reaction main body; the rear end of the input pipe is connected with a main branch pipe, and a first one-way valve and a flowmeter are connected in series in the main branch pipe; the invention is provided with the piston strip, provides a conveniently controlled feeding structure, controls the variable capacitance electric cylinder to drive the piston strip to slide forwards according to the input quantity required, generates negative pressure to suck corresponding quantity of liquid auxiliary materials, then locks the movable plug valve, discharges the sucked liquid auxiliary materials, and conveys the liquid auxiliary materials downwards continuously.
Description
Technical Field
The invention relates to the technical field of hot melt adhesive preparation, in particular to a reaction type polyurethane hot melt adhesive production reaction kettle.
Background
The hot melt adhesive is a plastic adhesive, the physical state of which changes with the change of temperature in a certain temperature range, and the raw materials are various, including main materials, liquid auxiliary materials and solid (particle) auxiliary materials, when the hot melt adhesive is manufactured, the corresponding materials are required to be added according to the formula proportion.
The reaction kettle used at present has the following defects:
1. the existing reaction kettle mainly adopts manual batching or mechanical conveying to independently take and throw materials for batching, has low batching efficiency and insufficient precision, is not beneficial to rapid batching and lacks a feeding structure convenient to control;
2. the powdery solid particles can be prepared only by being adjusted into liquid state in advance, and the function of directly and quantitatively preparing powdery auxiliary materials is lacked;
3. lacks a circulating structure for recycling the excessive powdery auxiliary materials.
Disclosure of Invention
In view of the above, the invention provides a reaction type polyurethane hot melt adhesive production reaction kettle which is provided with a proximity sensor and has a monitoring function, when a movable plug valve descends to the lowest position, the proximity sensor can be triggered by contacting with the proximity sensor, and whether a movable group works normally can be determined by judging by the proximity sensor.
The invention provides a reaction type polyurethane hot melt adhesive production reaction kettle, which specifically comprises the following components: the reaction main body is provided with a pipeline at the bottom and is connected with a stirring motor and a first electromagnetic valve, the stirring motor is fixed in a sealing way, and the shaft end of the stirring motor is provided with a stirrer; an input pipe is integrally arranged in the middle of the top of the reaction main body; the rear end of the input pipe is connected with a main branch pipe, and a first one-way valve and a flowmeter are connected in series in the main branch pipe; the top of the input pipe is connected with a second electromagnetic valve; a top pad seat is fixedly arranged on the front side of the top of the reaction main body; a U-shaped underframe is fixedly arranged on the rear side of the top of the reaction main body; an intermediate bracket is fixedly arranged in the middle of the top of the reaction main body.
Optionally, an H-shaped bracket is fixedly arranged at the top of the top pad, and a row of proximity sensors are fixedly arranged in the H-shaped bracket; the top of the top pad seat is fixedly provided with a flow dividing valve, and the rear end of the flow dividing valve is of a grid structure.
Optionally, a variable capacitance electric cylinder is fixedly arranged at the front end of the flow dividing valve, a piston bar is fixedly arranged at the telescopic end of the variable capacitance electric cylinder penetrating into the flow dividing valve, and the piston bar slides in the flow dividing valve; the rear end of the flow dividing valve is fixedly provided with a second one-way valve, and the rear end of the second one-way valve is provided with a pipeline connected with the input pipe.
Optionally, the rear side of shunt valve is fixed to be provided with the closing plate that is used for wrapping up grid structure, and the rear end of closing plate sets up crisscross PVC steel wire pipe and is connected with the contact pin.
Optionally, the rear side of the bottom of the diverter valve is a convex structure, the front end of the convex structure is provided with a moving group, and the moving group consists of a screw rod and a motor; the front end of the protruding structure is matched with the guide rail to slidingly provide a trigger seat, and the trigger seat is in threaded connection with a lead screw of the movable group; a trigger electric cylinder which can extend downwards is fixedly arranged above the front end of the trigger seat, and a trigger plate is fixedly arranged at the telescopic end of the trigger electric cylinder; the fixed mould is fixedly arranged at the inner lower part of the rear end grid structure of the flow dividing valve, the movable valve is arranged between the fixed mould and the sealing plate in a sliding manner, the spring is arranged between the lower part of the top of the movable valve and the top of the fixed mould, and the movable valve can be contacted and driven to descend when the trigger plate descends, so that a tube inserting needle at the rear side of the movable valve is communicated with the flow dividing valve.
Optionally, a powder filling bin is fixedly arranged at the top of the U-shaped underframe, a recovery bucket is integrally arranged at the top of the front end of the powder filling bin, and the rear side of the top of the powder filling bin is of an opening structure; the top of the powder filling bin is connected with a conveying pipe, the top of the conveying pipe is fixedly provided with an extraction motor, the shaft end of the extraction motor is provided with a screw propeller in a transmission way, and the screw propeller is arranged in the conveying pipe in a rotary fit way; the front upper part of the conveying pipe is bent downwards for half a circle and is connected with an external sliding frame, and a side wrapping plate is integrally arranged above the front end of the external sliding frame.
Optionally, a bearing bucket is fixedly arranged above the rear side of the middle bracket, the bottom of the bearing bucket is connected with a second electromagnetic valve, the front end of the bearing bucket is fixedly provided with a single-control electric cylinder, and the telescopic end of the single-control electric cylinder penetrates through the bearing bucket and is fixedly provided with a fixing bracket; rong Jiedou is fixedly arranged in the fixing support, and a quantifying dish is integrally arranged at the rear side of the receiving hopper; the bottom of the quantitative dish is fixedly provided with a metering electric cylinder, the telescopic end of the metering electric cylinder is fixedly provided with a control piston, and the control piston is anastomotic to slide in the quantitative dish.
Optionally, the external slide frame is vertically aligned with the recovery bucket.
Optionally, a dovetail groove structure is arranged between the top edge of the quantitative dish and the external sliding frame and is in sliding connection, and a limit structure is arranged below the rear side of the top of the quantitative dish and below the front side of the bottom of the external sliding frame.
The beneficial effects are as follows:
1. the invention is provided with the piston strip, a conveniently controlled feeding structure is provided, the variable capacitance electric cylinder is controlled to drive the piston strip to slide forwards according to the input quantity required, negative pressure is generated to suck corresponding quantity of liquid auxiliary materials, then the movable plug valve is locked, and then the variable capacitance electric cylinder is stretched to be matched with the piston strip to discharge the sucked liquid auxiliary materials, the liquid auxiliary materials pass through the second one-way valve to enter the input pipe, and the liquid auxiliary materials are conveyed downwards continuously.
2. The setting adjustment ration dish provides the function of directly carrying out the ration allotment to the powdery auxiliary material, starts and draws the rotation of motor drive screw propeller and draws up the powder, and powdery auxiliary material is input in the ration dish, then through the removal of ration dish, utilizes the dislocation of ration dish and external sliding frame, pushes away the powdery auxiliary material of ration in the holding bucket, drops into the holding bucket through Rong Jiedou, and then passes in the second solenoid valve input reaction main part, and the allotment is convenient.
3. When carrying the powder at every turn, increase 5% -10% input, improved fault-tolerant rate, with single accuse jar shrink, the fixed support that draws forward, fixed support drive the holding bucket and move forward, take out external sliding frame with the ration dish, when misplacement, guarantee that the ration dish only carries the powdered auxiliary material that does not surpass the ration dish height and shift out, the powdered auxiliary material of abundance can drop in retrieving the bucket, get back to and fill in the middle circulation of powder storehouse, guarantee can normally carry.
Drawings
FIG. 1 is a schematic view showing the overall perspective structure of an embodiment of the present invention;
FIG. 2 is a schematic perspective view of a material conveying mechanism according to an embodiment of the present invention;
FIG. 3 shows a schematic diagram of a side elevation structure of a feed mechanism according to an embodiment of the present invention;
FIG. 4 shows a schematic side elevation view of an exemplary diverter valve according to the present invention;
FIG. 5 shows a schematic diagram of a disassembled structure of a diverter valve in accordance with an embodiment of the present invention;
FIG. 6 is a schematic view showing a split structure of a stent according to an embodiment of the present invention;
FIG. 7 is a schematic diagram showing an assembly structure of a powder filling bin according to an embodiment of the invention;
FIG. 8 is a schematic diagram showing the structure of a single control electric cylinder in an extending state according to an embodiment of the present invention;
FIG. 9 is a schematic diagram showing a state structure of the single control electric cylinder when the single control electric cylinder is contracted in the embodiment of the invention;
FIG. 10 is a schematic view showing the combined structure of a cuvette according to an embodiment of the present invention.
List of reference numerals
1. A reaction body; 101. a stirring motor; 102. a first electromagnetic valve; 103. an input tube; 104. a main branch pipe; 105. a first one-way valve; 106. a flow meter; 107. a second electromagnetic valve; 2. a top pad; 201. an H-shaped bracket; 202. a proximity sensor; 3. a diverter valve; 301. a variable capacitance cylinder; 302. a piston rod; 303. a second one-way valve; 304. a sealing plate; 305. inserting a tube needle; 306. a mobile group; 307. a trigger seat; 308. triggering a power cylinder; 309. a trigger plate; 310. a fixed mold; 311. a movable plug valve; 4. a U-shaped chassis; 401. filling a powder bin; 402. a recovery bucket; 403. a delivery tube; 404. extracting a motor; 405. a screw propeller; 406. an external sliding frame; 407. a side wrapping plate; 5. a middle bracket; 501. a carrying bucket; 502. a single control electric cylinder; 503. a fixing support; 504. rong Jiedou; 505. a quantitative dish; 506. a metering electric cylinder; 507. and controlling the piston.
Detailed Description
In order to make the objects, aspects and advantages of the technical solution of the present invention more apparent, the technical solution of the present invention will be clearly and completely described hereinafter with reference to the accompanying drawings of specific embodiments of the present invention.
Example 1:
referring to the drawings, fig. 1 to 10 show:
the invention provides a reaction type polyurethane hot melt adhesive production reaction kettle, which comprises: the reaction device comprises a reaction main body 1, wherein a pipeline is arranged at the bottom of the reaction main body 1, a stirring motor 101 and a first electromagnetic valve 102 are connected and arranged, the stirring motor 101 is fixed in a sealing way, and a stirrer is arranged at the shaft end of the stirring motor 101; an input pipe 103 is integrally arranged in the middle of the top of the reaction main body 1; the rear end of the input pipe 103 is connected with a main branch pipe 104, and a first one-way valve 105 and a flowmeter 106 are connected in series in the main branch pipe 104; the top of the input pipe 103 is connected with a second electromagnetic valve 107; the front side of the top of the reaction main body 1 is fixedly provided with a top pad seat 2; a U-shaped underframe 4 is fixedly arranged on the rear side of the top of the reaction main body 1; an intermediate bracket 5 is fixedly arranged in the middle of the top of the reaction main body 1.
Wherein, the top of the top pad seat 2 is fixedly provided with an H-shaped bracket 201, and a row of proximity sensors 202 are fixedly arranged in the H-shaped bracket 201; the top of the top pad seat 2 is fixedly provided with a flow dividing valve 3, and the rear end of the flow dividing valve 3 is of a grid structure.
The front end of the flow dividing valve 3 is fixedly provided with a variable capacitance cylinder 301, the telescopic end of the variable capacitance cylinder 301 penetrates into the flow dividing valve 3 and is fixedly provided with a piston bar 302, and the piston bar 302 slides in the flow dividing valve 3; the rear end of the flow dividing valve 3 is fixedly provided with a second one-way valve 303, and the rear end of the second one-way valve 303 is provided with a pipeline connected with the input pipe 103.
Wherein, the rear side of shunt valve 3 is fixed and is provided with the closing plate 304 that is used for wrapping up grid structure, and the rear end of closing plate 304 sets up crisscross PVC steel wire pipe and is connected with cartridge tube 305.
The rear side of the bottom of the flow dividing valve 3 is of a protruding structure, the front end of the protruding structure is provided with a moving group 306, and the moving group 306 consists of a screw rod and a motor; the front end of the protruding structure is slidably provided with a trigger seat 307 in cooperation with the guide rail, and the trigger seat 307 is in threaded connection with a lead screw of the movable group 306; a trigger electric cylinder 308 which can extend downwards is fixedly arranged above the front end of the trigger seat 307, and a trigger plate 309 is fixedly arranged at the telescopic end of the trigger electric cylinder 308; the fixed mould 310 is fixedly arranged at the inner lower part of the rear end grid structure of the shunt valve 3, the movable plug valve 311 is slidably arranged between the fixed mould 310 and the sealing plate 304, a spring is arranged between the lower part of the top of the movable plug valve 311 and the top of the fixed mould 310, the trigger plate 309 can contact and drive the movable plug valve 311 to descend when descending, and at the moment, the plug tube needle 305 at the rear side of the movable plug valve 311 is communicated with the shunt valve 3.
The top of the U-shaped underframe 4 is fixedly provided with a powder filling bin 401, the front end top of the powder filling bin 401 is integrally provided with a recovery bucket 402, and the rear side of the top of the powder filling bin 401 is of an opening structure; the top of the powder filling bin 401 is connected with a conveying pipe 403, the top of the conveying pipe 403 is fixedly provided with an extraction motor 404, the shaft end of the extraction motor 404 is provided with a screw propeller 405 in a transmission way, and the screw propeller 405 is arranged in the conveying pipe 403 in a rotary fit way; the conveying pipe 403 is bent downwards for half a cycle in the front upper direction and is connected with an external sliding frame 406, and a side wrapping plate 407 is integrally arranged above the front end of the external sliding frame 406.
Wherein, a bearing bucket 501 is fixedly arranged above the rear side of the middle bracket 5, the bottom of the bearing bucket 501 is connected with a second electromagnetic valve 107, the front end of the bearing bucket 501 is fixedly provided with a single control electric cylinder 502, and the telescopic end of the single control electric cylinder 502 passes through the bearing bucket 501 to be fixedly provided with a fixed bracket 503; the holding bracket 503 is fixedly provided with a receiving hopper 504, and the rear side of the Rong Jiedou 504 is integrally provided with a quantitative dish 505; the bottom of the quantitative dish 505 is fixedly provided with a metering electric cylinder 506, the telescopic end of the metering electric cylinder 506 is fixedly provided with a control piston 507, and the control piston 507 slides in the quantitative dish 505 in an anastomotic manner.
Wherein the external slide frame 406 is vertically aligned with the recovery bucket 402 to recover excess powdered adjuvant.
The top edge of the quantitative dish 505 is in dovetail groove structure and is in sliding connection with the external sliding frame 406, and a limit structure is arranged below the back side of the top of the quantitative dish 505 and below the front side of the bottom of the external sliding frame 406.
As shown in fig. 1-6, when the liquid auxiliary materials need to be filled, the type to be input is selected through program control, then the moving group 306 is controlled to drive the trigger seat 307 to move, the trigger seat 307 is moved to a position aligned with the selected auxiliary materials, then the trigger cylinder 308 is started to drive the trigger plate 309 to descend, the trigger plate 309 drives the movable plug valve 311 to descend, the movable plug valve 311 is opened, and the plug pipe needle 305 is communicated with the diverter valve 3;
then, according to the input quantity, the variable capacitance cylinder 301 is controlled to drive the piston rod 302 to slide forwards to generate negative pressure to suck corresponding quantity of liquid auxiliary materials, at the moment, the movable plug valve 311 is automatically locked through a spring to further extend the variable capacitance cylinder 301 to be matched with the piston rod 302 to discharge the sucked liquid auxiliary materials, and the liquid auxiliary materials pass through the second one-way valve 303 to enter the input pipe 103 to be conveyed downwards continuously and input into the reaction main body 1.
Example 2:
7-9, when powdery auxiliary materials need to be input, the control program opens the second electromagnetic valve 107, controls the metering cylinder 506 to drive the control piston 507 to move according to the proportion of the powdery auxiliary materials which need to be input, adjusts the accommodation of the quantitative dish 505, starts the extraction motor 404 to drive the screw propeller 405 to rotate to pump up the powdery auxiliary materials according to the state in FIG. 9 after the adjustment is completed, and the extraction motor 404 adopts a servo motor to conveniently control the quantity;
5% -10% of input quantity is increased when powder is conveyed each time, so that fault tolerance is improved, and sufficiency of the powder is ensured;
then the single-control electric cylinder 502 is contracted, the fixed support 503 is drawn forward, the fixed support 503 drives the receiving hopper 504 to move forward, the quantitative dish 505 is drawn out of the external sliding frame 406, the quantitative dish 505 is ensured to only carry powdery auxiliary materials which do not exceed the height of the quantitative dish 505 to be moved out when being misplaced, and the excessive powdery auxiliary materials can fall into the recovery hopper 402 and return to the middle of the powder filling bin 401 for circulation; the control piston 507 is then fully raised, the control piston 507 is aligned with the top of the dosing bowl 505, the single control cylinder 502 is then extended again, the dosing bowl 505 is moved backwards, the dosed powdered auxiliary material is pushed into the receiving hopper 504 by the side wrapping plate 407, falls into the carrying hopper 501 through Rong Jiedou, and is fed into the reaction body 1 through the second solenoid valve 107.
Example 3:
based on embodiment 1, when the movable plug valve 311 descends to the lowest position, the proximity sensor 202 is triggered by touching the proximity sensor 202, and whether the movable group 306 is operating normally can be determined by the judgment of the proximity sensor 202.
Specific use and action of the embodiment: in the invention, when in use, liquid auxiliary materials are filled in a bottle, then a bottle body is placed on the top of the top pad seat 2, and a tube inserting needle 305 is inserted into a bottle opening to finish the presetting; the powder is directly put into a powder filling bin 401 to finish the presetting;
the main branch pipe 104 is utilized to input main material isocyanate, when the main material passes through the flowmeter 106 and the first one-way valve 105, the main material enters the reaction main body 1 from the input pipe 103 for filling, and then auxiliary materials are proportionally input;
when liquid auxiliary materials need to be filled, the type to be input is selected through program control, then the movable group 306 is controlled to drive the trigger seat 307 to move, the trigger seat 307 is moved to a position aligned with the selected auxiliary materials, then the trigger cylinder 308 is started to drive the trigger plate 309 to descend, the trigger plate 309 drives the movable plug valve 311 to descend, the movable plug valve 311 is opened, at the moment, the plug tube needle 305 is communicated with the shunt valve 3, then the variable capacitance cylinder 301 is controlled to drive the piston bar 302 to slide forwards according to the amount required to be input, negative pressure is generated to suck the corresponding amount of liquid auxiliary materials, at the moment, the movable plug valve 311 is reset, the movable plug valve 311 is automatically locked through a spring, and then the variable capacitance cylinder 301 is stretched to be matched with the piston bar 302 to discharge the sucked liquid auxiliary materials, and the liquid auxiliary materials enter the input tube 103 through the second one-way valve 303 to be conveyed downwards continuously; in this way, each group of liquid auxiliary materials are blended and input into the reaction main body 1;
when powdery auxiliary materials are required to be input, the control program opens the second electromagnetic valve 107, controls the metering electric cylinder 506 to drive the control piston 507 to move according to the proportion of the powdery auxiliary materials required to be input, adjusts the accommodation of the quantitative dish 505, starts the extraction motor 404 to drive the screw propeller 405 to rotate to pump up the powder according to the state in fig. 9 after the adjustment is completed, the powdery auxiliary materials are input into the quantitative dish 505, the extraction motor 404 adopts a servo motor to conveniently control the quantity, and the input quantity is increased to improve fault tolerance when the powder is conveyed each time; the single-control electric cylinder 502 is contracted, the fixed support 503 is drawn forwards, the fixed support 503 drives the receiving hopper 504 to move forwards, the quantitative dish 505 is drawn out of the external sliding frame 406, the quantitative dish 505 is ensured to only carry powdery auxiliary materials which do not exceed the height of the quantitative dish 505 to be moved out when being misplaced, and the excessive powdery auxiliary materials can fall into the recovery hopper 402 and return to the middle of the powder filling bin 401 for circulation; then the control piston 507 is completely lifted, the control piston 507 is aligned with the top of the quantifying dish 505, then the single control electric cylinder 502 is extended again, the quantifying dish 505 moves backwards, the quantified powdery auxiliary material is pushed into the receiving hopper 504 through the side wrapping plate 407, falls into the bearing hopper 501 through the Rong Jiedou, and is input into the reaction main body 1 through the second electromagnetic valve 107;
after the preparation by heating and mixing, the first electromagnetic valve 102 is opened to output the finished product.
Claims (3)
1. A reaction type polyurethane hot melt adhesive production reaction kettle, comprising: the reaction device comprises a reaction main body (1), wherein a pipeline is arranged at the bottom of the reaction main body (1) and is connected with a stirring motor (101) and a first electromagnetic valve (102), the stirring motor (101) is fixed in a sealing way, and a stirrer is arranged at the shaft end of the stirring motor (101); an input pipe (103) is integrally arranged in the middle of the top of the reaction main body (1); the rear end of the input pipe (103) is connected with a main branch pipe (104), and a first one-way valve (105) and a flowmeter (106) are connected in series in the main branch pipe (104); the top of the input pipe (103) is connected with a second electromagnetic valve (107); the reaction device is characterized in that a top pad seat (2) is fixedly arranged on the front side of the top of the reaction main body (1); an H-shaped bracket (201) is fixedly arranged at the top of the top pad seat (2), and a row of proximity sensors (202) are fixedly arranged in the H-shaped bracket (201); the top of the top pad seat (2) is fixedly provided with a flow dividing valve (3), and the rear end of the flow dividing valve (3) is of a grid structure; the front end of the flow dividing valve (3) is fixedly provided with a variable capacitance electric cylinder (301), the telescopic end of the variable capacitance electric cylinder (301) penetrates into the flow dividing valve (3) and is fixedly provided with a piston bar (302), and the piston bar (302) slides in the flow dividing valve (3); the rear end of the flow dividing valve (3) is fixedly provided with a second one-way valve (303), and the rear end of the second one-way valve (303) is provided with a pipeline connected with the input pipe (103); a sealing plate (304) for wrapping the grid structure is fixedly arranged at the rear side of the flow dividing valve (3), and staggered PVC steel wire pipes are arranged at the rear end of the sealing plate (304) and are connected with inserting pipe needles (305); the rear side of the bottom of the flow dividing valve (3) is of a protruding structure, the front end of the protruding structure is provided with a moving group (306), and the moving group (306) consists of a screw rod and a motor; the front end of the protruding structure is matched with the guide rail to slide and is provided with a trigger seat (307), and the trigger seat (307) is in threaded connection with a lead screw of the movable group (306); a trigger electric cylinder (308) which can extend downwards is fixedly arranged above the front end of the trigger seat (307), and a trigger plate (309) is fixedly arranged at the telescopic end of the trigger electric cylinder (308); a fixed mould (310) is fixedly arranged at the inner lower part of the rear end grid structure of the shunt valve (3), a movable plug valve (311) is arranged between the fixed mould (310) and the sealing plate (304) in a sliding manner, a spring is arranged between the lower part of the top of the movable plug valve (311) and the top of the fixed mould (310), the trigger plate (309) can contact and drive the movable plug valve (311) to descend when descending, and at the moment, a plug pipe needle (305) at the rear side of the movable plug valve (311) is communicated with the shunt valve (3); a U-shaped underframe (4) is fixedly arranged at the rear side of the top of the reaction main body (1); the top of the U-shaped underframe (4) is fixedly provided with a powder filling bin (401), the front end top of the powder filling bin (401) is integrally provided with a recovery hopper (402), and the rear side of the top of the powder filling bin (401) is of an opening structure; the top of the powder filling bin (401) is connected with a conveying pipe (403), the top of the conveying pipe (403) is fixedly provided with an extraction motor (404), the shaft end of the extraction motor (404) is provided with a screw propeller (405) in a transmission way, and the screw propeller (405) is arranged in the conveying pipe (403) in a anastomotic rotation way; the front upper part of the conveying pipe (403) is bent downwards for half a circle and is connected with an external sliding frame (406), and a side wrapping plate (407) is integrally arranged above the front end of the external sliding frame (406); an intermediate bracket (5) is fixedly arranged in the middle of the top of the reaction main body (1); a bearing bucket (501) is fixedly arranged above the rear side of the middle bracket (5), the bottom of the bearing bucket (501) is connected with a second electromagnetic valve (107), a single-control electric cylinder (502) is fixedly arranged at the front end of the bearing bucket (501), and a fixing bracket (503) is fixedly arranged at the telescopic end of the single-control electric cylinder (502) penetrating through the bearing bucket (501); the holding bracket (503) is fixedly provided with a receiving hopper (504), and the rear side of the Rong Jiedou (504) is integrally provided with a quantifying dish (505); the bottom of the quantitative dish (505) is fixedly provided with a metering electric cylinder (506), the telescopic end of the metering electric cylinder (506) is fixedly provided with a control piston (507), and the control piston (507) slides in the quantitative dish (505) in an anastomotic way.
2. A reactive polyurethane hot melt adhesive production reactor as set forth in claim 1, wherein said external slide frame (406) is vertically aligned with the recycling bin (402).
3. The reaction type polyurethane hot melt adhesive production reaction kettle according to claim 2, wherein a dovetail groove structure is arranged between the top edge of the quantitative dish (505) and the external sliding frame (406) and is in sliding connection, and a limit structure is arranged below the back side of the top of the quantitative dish (505) and below the front side of the bottom of the external sliding frame (406).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410159904.2A CN117695942B (en) | 2024-02-05 | 2024-02-05 | Reaction type polyurethane hot melt adhesive production reaction kettle |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410159904.2A CN117695942B (en) | 2024-02-05 | 2024-02-05 | Reaction type polyurethane hot melt adhesive production reaction kettle |
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| CN117695942A CN117695942A (en) | 2024-03-15 |
| CN117695942B true CN117695942B (en) | 2024-04-16 |
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| CN117695942A (en) | 2024-03-15 |
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