CN116764764B - Preparation method and equipment of high-temperature-resistant UV pressure-sensitive adhesive - Google Patents
Preparation method and equipment of high-temperature-resistant UV pressure-sensitive adhesive Download PDFInfo
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- CN116764764B CN116764764B CN202310765923.5A CN202310765923A CN116764764B CN 116764764 B CN116764764 B CN 116764764B CN 202310765923 A CN202310765923 A CN 202310765923A CN 116764764 B CN116764764 B CN 116764764B
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- 239000004820 Pressure-sensitive adhesive Substances 0.000 title claims abstract description 34
- 238000002360 preparation method Methods 0.000 title claims abstract description 32
- 239000000463 material Substances 0.000 claims abstract description 115
- 230000007246 mechanism Effects 0.000 claims abstract description 51
- 238000002156 mixing Methods 0.000 claims abstract description 50
- 230000005540 biological transmission Effects 0.000 claims abstract description 27
- 238000010438 heat treatment Methods 0.000 claims abstract description 14
- 238000013329 compounding Methods 0.000 claims abstract 6
- 239000002994 raw material Substances 0.000 claims description 26
- 239000000945 filler Substances 0.000 claims description 22
- ZMANZCXQSJIPKH-UHFFFAOYSA-N Triethylamine Chemical compound CCN(CC)CC ZMANZCXQSJIPKH-UHFFFAOYSA-N 0.000 claims description 18
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 15
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 12
- 239000004925 Acrylic resin Substances 0.000 claims description 10
- 239000008367 deionised water Substances 0.000 claims description 10
- 229910021641 deionized water Inorganic materials 0.000 claims description 10
- 239000003822 epoxy resin Substances 0.000 claims description 10
- 229920000647 polyepoxide Polymers 0.000 claims description 10
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 claims description 8
- 229920000578 graft copolymer Polymers 0.000 claims description 8
- 230000009471 action Effects 0.000 claims description 7
- 229920000178 Acrylic resin Polymers 0.000 claims description 6
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 6
- 229920005749 polyurethane resin Polymers 0.000 claims description 6
- 239000000377 silicon dioxide Substances 0.000 claims description 6
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 5
- 238000007599 discharging Methods 0.000 claims description 5
- 150000001252 acrylic acid derivatives Chemical class 0.000 claims description 4
- 238000001125 extrusion Methods 0.000 claims description 4
- FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical compound O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 claims description 4
- 239000000203 mixture Substances 0.000 claims description 4
- 239000012141 concentrate Substances 0.000 claims description 2
- 238000000034 method Methods 0.000 claims 3
- 239000000084 colloidal system Substances 0.000 abstract description 7
- 235000017166 Bambusa arundinacea Nutrition 0.000 abstract description 5
- 235000017491 Bambusa tulda Nutrition 0.000 abstract description 5
- 241001330002 Bambuseae Species 0.000 abstract description 5
- 235000015334 Phyllostachys viridis Nutrition 0.000 abstract description 5
- 239000011425 bamboo Substances 0.000 abstract description 5
- 239000002245 particle Substances 0.000 abstract description 3
- 238000005192 partition Methods 0.000 description 4
- 239000000853 adhesive Substances 0.000 description 3
- 230000001070 adhesive effect Effects 0.000 description 3
- 244000309464 bull Species 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 2
- 238000005461 lubrication Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000010865 sewage Substances 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 239000004831 Hot glue Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- 239000011343 solid material Substances 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
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Abstract
The invention relates to the technical field of pressure-sensitive adhesive preparation equipment, in particular to a preparation method and equipment of a high-temperature-resistant UV pressure-sensitive adhesive. The technical proposal is as follows: including supporting seat and the compounding bucket of installing its upper end, the inside of compounding bucket is provided with heating mechanism and mixing mechanism, just the bottom of compounding bucket is connected with row material pipe, still includes the broken case of batching and sets up at its inside concentrated crushed aggregates section of thick bamboo, and the baffle is kept away from the side fixedly connected with of concentrated crushed aggregates section of thick bamboo and is changeed the feed cylinder, concentrated crushed aggregates section of thick bamboo rotates and connects at the uncovered end of changeing the feed cylinder, the upper end of changeing the feed cylinder is connected with the drop tube. According to the invention, the reversing limit transmission mechanism which is matched and connected with the concentrated crushed aggregates cylinder is arranged on the outer side of the rotating rod, the concentrated crushed aggregates cylinder is not moved when the rotating rod rotates in the forward direction, and the concentrated crushed aggregates cylinder rotates along with the rotating rod when rotating in the reverse direction, so that crushed materials are thrown outwards, uniform batching can be completed for a plurality of times, particles doped in colloid are effectively avoided, and the purity and the lubricity of the UV pressure-sensitive adhesive are improved.
Description
Technical Field
The invention relates to the technical field of pressure-sensitive adhesive preparation equipment, in particular to a preparation method and equipment of a high-temperature-resistant UV pressure-sensitive adhesive.
Background
The pressure sensitive adhesive is a colloid which can be adhered to an adherend under slight pressure, is environment-friendly and safe to use, and in the existing hot melt adhesive preparation production process, various raw materials are required to be mixed and reacted to finish the preparation, generally solid raw materials are added into liquid raw materials and smashed and mixed, and the existing preparation equipment is used for uniformly mixing the various raw materials through a mixing barrel, a heating mechanism and a smashing and stirring mechanism arranged in a barrel body to prepare the colloid raw materials;
however, a small part of particles cannot be completely broken and uniformly distributed in the raw materials, so that the lubrication degree and purity of the colloid are affected, and the quality of the pressure-sensitive adhesive is directly affected; in the prior art, when the raw materials are treated, the particulate matters are filtered out in a filtering mode; the mode can improve the lubrication degree of the colloid, but can directly reduce the proportion of partial raw materials, and influence the use effect of the colloid; therefore, we propose a preparation method and equipment of high temperature resistant UV pressure-sensitive adhesive.
Disclosure of Invention
The invention aims at solving the problems in the background technology and provides a preparation method and equipment of a high-temperature-resistant UV pressure-sensitive adhesive.
The technical scheme of the invention is as follows: the preparation method and equipment of the high temperature resistant UV pressure sensitive adhesive comprise a supporting seat and a mixing barrel arranged at the upper end of the supporting seat, wherein a heating mechanism and a mixing mechanism are arranged in the mixing barrel, the bottom end of the mixing barrel is connected with a discharge pipe, the preparation method further comprises a batching crushing box and a concentrated crushing barrel arranged in the mixing barrel, the inner end of the batching crushing box, which is close to the mixing barrel, is fixedly connected with a baffle, the side surface of the baffle, which is far away from the concentrated crushing barrel, is fixedly connected with a rotary barrel, the concentrated crushing barrel is rotatably connected with an open end of the rotary barrel, and the upper end of the rotary barrel is connected with a vertical pipe;
the inside of the rotary material cylinder is provided with a crushing mechanism, the crushing mechanism comprises a rotary rod which rotates and extends to the inside of the concentrated material cylinder and concentrates crushed materials, the outer side of the rotary rod is provided with a plurality of reversing limit transmission mechanisms, the reversing limit transmission mechanisms are connected with the inner wall of the concentrated material cylinder through transmission connecting rods, the outer surface of the concentrated material cylinder is provided with a plurality of unidirectional material conveying holes, and the rotary rod rotates in a reversing way to drive the concentrated material cylinder to rotate and throw out the crushed materials;
the inside of the batching crushing box is provided with a piston sleeve plate which is sleeved on the outer side of the concentrated crushing cylinder in a sliding manner, the batching crushing box is communicated with the mixing barrel through a transmission assembly, and impact conveying is completed under the extrusion of the piston sleeve plate.
Preferably, the bull stick rotates the inner wall of connecting at the material section of thick bamboo that rotates, the outer periphery of bull stick is connected with a plurality of blades, the blade leaves the interval with the inner wall of concentrated crushed aggregates section of thick bamboo.
Preferably, the one-way material conveying hole is a round hole or a rectangular hole, and the inner diameter of the inner end of the one-way material conveying hole is larger than the inner diameter of the outer end of the one-way material conveying hole, so that the materials are easy to discharge and cannot flow back under the action of centrifugal force.
Preferably, the reversing limit transmission mechanism comprises a connecting groove formed in the outer circumferential surface of the rotating rod, a rotating sleeve is rotationally connected in the connecting groove, an annular groove is formed in the inner circumferential surface of the rotating sleeve, and an inner ratchet wheel is connected to the inner wall of the annular groove; a groove is formed in the connecting groove, and a pair of unidirectional limiting pins matched with the inner ratchet wheel for use are rotationally connected in the groove through a rotating shaft; the motor is installed to the outer end of changeing the feed cylinder, and the output shaft and the bull stick fixed connection of motor.
Preferably, a connecting rod is connected between the two unidirectional limiting pins, and a telescopic reset rod limiting the connecting rod is connected in the groove.
Preferably, the transferring assembly comprises a square mounting frame connected to the upper end of the supporting seat, a main pipeline is connected to the square mounting frame, the main pipeline is communicated with the mixing barrel through a plurality of shunt pipes, the input end of the main pipeline is communicated with the batching crushing box through an output pipe, and the first electromagnetic valve is arranged on the output pipe; the upper end of the batching crushing box is connected with a supporting plate, the vertical pipe penetrates through the supporting plate and is connected with a feeding pipe, and the output end of the feeding pipe is provided with a second electromagnetic valve.
The preparation method of the high-temperature-resistant UV pressure-sensitive adhesive comprises the following raw materials in parts by weight:
70-80 parts of modified acrylic resin, 25-35 parts of epoxy resin, 3-9 parts of photoinitiator, 5-10 parts of tackifier, 10-20 parts of modified high-temperature-resistant filler, 15-25 parts of deionized water and 2-5 parts of compatilizer.
Preferably, the modified refractory filler comprises: the mass ratio of the aqueous polyurethane resin to the silica to the alumina to the triethylamine is 3:2:1:1, wherein the compatibilizer is a mixture of a styrene graft copolymer and a maleic anhydride graft polymer at a ratio of 1:1.3.
Preferably, the material comprises the following raw materials in parts by weight:
80 parts of modified acrylate resin, 35 parts of epoxy resin, 9 parts of photoinitiator, 10 parts of tackifier, 20 parts of modified high-temperature-resistant filler, 25 parts of deionized water and 5 parts of compatilizer.
The preparation method of the high-temperature-resistant UV pressure-sensitive adhesive comprises the following preparation steps:
s1: adding modified acrylic resin, epoxy resin, a photoinitiator and a tackifier into an external container, heating to be completely molten, and then adding modified high-temperature-resistant filler, deionized water and a compatilizer into the raw materials in a molten state;
s2: the prepared materials are input into a material rotating cylinder through a material feeding pump, a material feeding pipe and a vertical pipe and then enter a concentrated material crushing cylinder;
s3: starting a motor, wherein an output shaft of the motor rotates forward to drive a rotating rod to rotate, and the rotating rod breaks up the filler in the concentrated crushing cylinder through a plurality of blades for 15-20min;
s4: after the materials are crushed, the output shaft of the motor reversely rotates, the centralized crushing cylinder rotates under the joint cooperation of the crushing mechanism and the reversing limit transmission mechanism, the crushed materials are discharged into the batching crushing box together with the materials in a molten state under the action of centrifugal force, and then the materials are fed into the centralized crushing cylinder, and the steps are repeated;
s5: starting an external hydraulic rod, pushing the piston sleeve plate to the inner side of the batching crushing box by the push-pull rod, inputting materials in the batching crushing box into the mixing drum through impact of the transmission assembly, then starting a heating mechanism and a mixing mechanism in the mixing drum to mix the materials uniformly again, and finally discharging the materials through a discharge pipe.
Compared with the prior art, the invention has the following beneficial technical effects:
1. the rotary charging barrel and the centralized crushing barrel are arranged in the batching crushing box, the crushing mechanism is arranged in the rotary charging barrel, raw materials firstly enter the centralized crushing barrel and are crushed by the crushing mechanism, the crushing space is controlled, and unbroken solid matters cannot be discharged outwards through the unidirectional conveying holes, so that the full mixing rate of batching is ensured;
2. through arranging the reversing limit transmission mechanism which is matched and connected with the centralized crushing cylinder on the outer side of the rotating rod, the centralized crushing cylinder is not moved when the rotating rod rotates in the forward direction, and the centralized crushing cylinder can be rotated along with the rotation when the rotating rod rotates in the reverse direction, so that crushed materials are thrown outwards, and uniform batching can be completed for a plurality of times;
3. after the materials are discharged, the concentrated crushing cylinder is convenient to clean quickly, and the cleaned sewage is extruded outwards through the return of the piston sleeve plate and is discharged through the drain pipe;
4. the modified high-temperature-resistant filler is added into the raw materials, the modified high-temperature-resistant filler comprises waterborne polyurethane resin, silicon dioxide, aluminum oxide and triethylamine, and the mass ratio of water is 3:2:1:1, the preparation equipment of the application is matched to complete smashing and mixing, so that the UV pressure-sensitive adhesive is fully mixed in raw materials, the high temperature resistance of the UV pressure-sensitive adhesive is improved, and the original adhesive performance of the UV pressure-sensitive adhesive is kept under different temperature environments.
Drawings
FIG. 1 is a perspective view of a manufacturing apparatus for a high temperature resistant UV pressure sensitive adhesive;
FIG. 2 is a schematic view of the internal structure of the batch crush box of FIG. 1;
FIG. 3 is a schematic view of the concentrated crushing drum and the crushing mechanism of FIG. 2;
FIG. 4 is a cross-sectional view of the reverse limit drive mechanism of FIG. 3;
FIG. 5 is a cross-sectional view taken at A-A of FIG. 4;
FIG. 6 is a schematic view of the transfer assembly of the present invention;
FIG. 7 is a rear view of the batch crush bin of FIG. 1;
fig. 8 is a partial cross-sectional view of the concentrated particle column of fig. 2.
Reference numerals: 1. a support base; 2. a mixing barrel; 3. a discharge pipe; 4. a batching and crushing box; 5. a support plate; 6. a feed pipe; 7. a transfer assembly; 701. an output pipe; 702. a loop-shaped mounting frame; 703. a main pipe; 704. a shunt; 8. a partition plate; 9. a vertical pipe; 10. a material transferring cylinder; 11. a motor; 12. a centralized crushing cylinder; 13. a piston sleeve plate; 14. a push-pull rod; 15. a breaking mechanism; 151. a rotating rod; 152. a blade; 153. a reversing limit transmission mechanism; 1531. a connecting groove; 1532. rotating the sleeve; 1533. an annular groove; 1534. an inner ratchet; 1535. a groove; 1536. a rotating shaft; 1537. a one-way limiting pin; 1538. a connecting rod; 1539. a telescopic reset rod; 16. a unidirectional material conveying hole; 17. an air pipe; 18. a drain pipe; 19. and (5) a transmission connecting rod.
Detailed Description
The technical scheme of the invention is further described below with reference to the attached drawings and specific embodiments.
Example 1
As shown in fig. 1-8, the preparation method and the equipment thereof for the high-temperature resistant UV pressure-sensitive adhesive provided by the invention comprise a supporting seat 1 and a mixing barrel 2 arranged at the upper end of the supporting seat, wherein a heating mechanism and a mixing mechanism are arranged in the mixing barrel 2, the bottom end of the mixing barrel 2 is connected with a discharge pipe 3, the preparation method further comprises a preparation crushing box 4 and a concentrated crushing barrel 12 arranged in the mixing barrel, the rear end of the preparation crushing box 4 is provided with an air pipe 17 and a water discharge pipe 18, the air pipe 17 and the water discharge pipe 18 are respectively provided with a control valve, the control valves are electrically connected with an external control panel, the opening or closing state of the control valves can be controlled through the control panel, the inner end, close to the mixing barrel 2, of the preparation crushing box 4 is fixedly connected with a baffle plate 8, the side surface, far away from the concentrated crushing barrel 12 is fixedly connected with a rotary barrel 10, the concentrated crushing barrel 12 is rotationally connected with the open end of the rotary barrel 10, and the upper end of the rotary barrel 10 is connected with a vertical pipe 9, so that materials can vertically slide into the concentrated crushing barrel 12 under the mutual extrusion of the materials;
the inside of the rotary material barrel 10 is provided with a crushing mechanism 15, the crushing mechanism 15 comprises a rotary rod 151 which rotates and extends to the inside of the concentrated material barrel 12, the concentrated crushed materials are concentrated, the outer side of the rotary rod 151 is provided with a plurality of reverse limit transmission mechanisms 153, the reverse limit transmission mechanisms 153 are connected with the inner wall of the concentrated material barrel 12 through transmission connecting rods 19, the outer surface of the concentrated material barrel 12 is provided with a plurality of unidirectional material conveying holes 16, the unidirectional material conveying holes 16 are circular holes or rectangular holes, the inner diameter of the inner ends of the unidirectional material conveying holes 16 is larger than the inner diameter of the outer ends of the unidirectional material conveying holes 16, the materials are easy to discharge and can not flow back under the action of centrifugal force, and the concentrated material barrel 12 keeps independent crushing space and is not interfered by other materials; the rotating rod 151 rotates in a reversing way to drive the concentrated crushing cylinder 12 to rotate and throw out crushed materials; the inside of the batching crushing box 4 is provided with a piston sleeve plate 13 which is sleeved on the outer side of the concentrated crushing cylinder 12 in a sliding way, the outer end of the piston sleeve plate 13 is connected with a push-pull rod 14, the push-pull rod 14 is connected with an external hydraulic rod, the batching crushing box 4 is communicated with the mixing barrel 2 through a transmission assembly 7, impact material conveying is completed under the extrusion of the piston sleeve plate 13, and materials enter the mixing barrel 2 through a plurality of shunt tubes 704 to be dispersed and washed out, so that the mixing efficiency is further improved;
specifically, the transferring assembly 7 includes a square mounting frame 702 connected to the upper end of the supporting seat 1, a main pipeline 703 is connected to the square mounting frame 702, the main pipeline 703 is communicated with the mixing barrel 2 through a plurality of shunt pipes 704, an input end of the main pipeline 703 is communicated with the batch crushing box 4 through an output pipe 701, and a first electromagnetic valve is installed on the output pipe 701; the upper end of the batching and crushing box 4 is connected with a supporting plate 5, a vertical pipe 9 penetrates through the supporting plate 5 and is connected with a feeding pipe 6, the output end of the feeding pipe 6 is provided with a solenoid valve II, and the feeding pipe 6 is connected with an external feeding pump;
specifically, the rotating rod 151 is rotatably connected to the inner wall of the rotary cylinder 10, the outer circumferential surface of the rotating rod 151 is connected with a plurality of blades 152, and the blades 152 are spaced from the inner wall of the concentrated crushing cylinder 12; the reversing limit transmission mechanism 153 comprises a connecting groove 1531 arranged on the outer circumferential surface of the rotating rod 151, a rotating sleeve 1532 is rotationally connected in the connecting groove 1531, an annular groove 1533 is arranged on the inner circumferential surface of the rotating sleeve 1532, and an inner ratchet wheel 1534 is connected on the inner wall of the annular groove 1533; a groove 1535 is formed in the connecting groove 1531, and a pair of unidirectional limiting pins 1537 matched with the inner ratchet wheel 1534 for use are rotatably connected in the groove 1535 through a rotating shaft 1536; the outer end of the rotary cylinder 10 is provided with a motor 11, and an output shaft of the motor 11 is fixedly connected with a rotary rod 151; a connecting rod 1538 is connected between the two unidirectional limiting pins 1537, and a telescopic reset rod 1539 limiting the connecting rod 1538 is connected in the groove 1535;
in the embodiment, the proportioned multiple raw materials are added into an external container, the temperature is raised to be completely melted, then small granular or powdery materials are added into the container, an external feed pump is started to enable the materials to enter the rotary material cylinder 10 through a feed pipe 6 and a vertical pipe 9 and then enter the centralized crushing cylinder 12, a motor 11 is started, an output shaft of the motor 11 positively rotates to drive a rotating rod 151 to rotate, the rotating rod 151 rotationally breaks solid materials in the centralized crushing cylinder 12 through a plurality of blades 152, the motor 11 is electrically connected with an external control panel, the output shaft of the motor 11 is controlled to reversely rotate through the control panel, at the moment, the end part of a unidirectional limiting pin 1537 is clamped in one tooth groove of an inner ratchet wheel 1534, the rotating rod 151 rotates to drive the centralized crushing cylinder 12 to rotate through a transmission connecting rod 19, and the broken materials are thrown outwards into a batching crushing box 4 through a plurality of unidirectional material conveying holes 16, the unbroken material is left in the concentrated crushing cylinder 12 and is fed into the concentrated crushing cylinder 12 again, the electromagnetic valve I on the feeding pipe 6 is closed, the electromagnetic valve II on the output pipe 701 is opened after the material is fed into the concentrated crushing cylinder 12 for a plurality of times, then an external hydraulic rod is started to push the piston sleeve plate 13 to move towards the direction of the partition plate 8, the thoroughly broken material is conveyed into the main pipeline 703 through the output pipe 701 and is then conveyed into the mixing barrel 2 through the plurality of shunt pipes 704, the material is impacted by the pressure and can further improve the mixing effect, after the material enters the mixing barrel 2, the material is heated by the heating mechanism in the mixing barrel 2 and is stirred again through the stirring mechanism in the mixing barrel 2, finally discharging the materials;
at this time, the piston sleeve plate 13 is attached to the partition plate 8, the electromagnetic valve II is closed, the electromagnetic valve I is opened, cleaning water is supplied to the interior of the concentrated crushing cylinder 12, according to the same steps as above, firstly, the output shaft of the motor 11 is enabled to rotate forward, the inner wall of the concentrated crushing cylinder 12, the rotating rod 151 and the blade 152 are cleaned, then, the output shaft of the motor 11 is enabled to rotate reversely, the concentrated crushing cylinder 12 is driven to rotate, water in the concentrated crushing cylinder is thrown out, the circulation is repeated for several times, finally, the air pipe 17 and the control valve on the drain pipe 18 are opened, the piston sleeve plate 13 moves away from the partition plate 8, sewage in the batching crushing box 4 is extruded to one side, the cleaning of the batching crushing box 4 and the piston sleeve plate 13 can be completed rapidly through the drain pipe 18, the structure blockage or the colloid solidification in the interior of the batching crushing box 4 can be avoided, and the service life of equipment can be prolonged.
Example two
The invention provides a preparation method of a high-temperature-resistant UV pressure-sensitive adhesive, which comprises the following raw materials in parts by weight:
80 parts of modified acrylate resin, 35 parts of epoxy resin, 9 parts of photoinitiator, 10 parts of tackifier, 20 parts of modified high-temperature-resistant filler, 25 parts of deionized water and 5 parts of compatilizer.
The modified high temperature resistant filler comprises: the mass ratio of the aqueous polyurethane resin to the silica to the alumina to the triethylamine is 3:2:1:1, wherein the compatibilizer is a mixture of a styrene graft copolymer and a maleic anhydride graft polymer at a ratio of 1:1.3.
Referring to fig. 1-8, the following preparation steps are included:
s1: adding modified acrylic resin, epoxy resin, photoinitiator and tackifier into an external container, heating to be completely molten, and then adding modified high-temperature-resistant filler, deionized water and compatilizer into the molten raw materials.
S2: the prepared materials are input into a material rotating cylinder 10 through a material feeding pump, a material feeding pipe 6 and a vertical pipe 9, and then enter a concentrated material crushing cylinder 12;
s3: starting the motor 11, and enabling an output shaft of the motor 11 to rotate positively to drive the rotating rod 151 to rotate, wherein the rotating rod 151 breaks the filler in the concentrated crushing cylinder 12 through the plurality of blades 152, and the breaking time is 20min;
s4: after the materials are crushed, the output shaft of the motor 11 reversely rotates, the centralized crushing cylinder 12 rotates under the common cooperation of the crushing mechanism 15 and the reverse limiting transmission mechanism 153, the crushed materials are discharged into the batching crushing box 4 together with the materials in a molten state under the action of centrifugal force, and then the materials are fed into the centralized crushing cylinder 12, and the steps are repeated;
s5: starting an external hydraulic rod, pushing a piston sleeve plate 13 to the inner side of a batching and crushing box 4 by a push-pull rod 14, inputting materials in the batching and crushing box 4 into a mixing drum 2 through impact of a transmission assembly 7, then starting a heating mechanism and a mixing mechanism in the mixing drum 2 to mix the materials uniformly again, and finally discharging the materials through a discharge pipe 3; by adding the modified high-temperature-resistant filler into the raw materials, the modified high-temperature-resistant filler comprises: the mass ratio of the aqueous polyurethane resin to the silica to the alumina to the triethylamine is 3:2:1:1, smashing and mixing are completed through the cooperation of the preparation equipment, so that the UV pressure-sensitive adhesive is fully mixed in the raw materials, and the high temperature resistance of the UV pressure-sensitive adhesive is improved; the UV pressure-sensitive adhesive prepared by the raw materials in parts by weight still has stable adhesive performance in a high-temperature environment of 40-50 ℃.
Example III
The invention provides a preparation method of a high-temperature-resistant UV pressure-sensitive adhesive, which comprises the following raw materials in parts by weight:
70 parts of modified acrylate resin, 25 parts of epoxy resin, 3 parts of photoinitiator, 5 parts of tackifier, 10 parts of modified high-temperature-resistant filler, 15 parts of deionized water and 2 parts of compatilizer.
The modified high temperature resistant filler comprises: the mass ratio of the aqueous polyurethane resin to the silica to the alumina to the triethylamine is 3:2:1:1, wherein the compatibilizer is a mixture of a styrene graft copolymer and a maleic anhydride graft polymer at a ratio of 1:1.3.
The preparation method comprises the following preparation steps:
s1: adding modified acrylic resin, epoxy resin, photoinitiator and tackifier into an external container, heating to be completely molten, and then adding modified high-temperature-resistant filler, deionized water and compatilizer into the molten raw materials.
S2: the prepared materials are input into a material rotating cylinder 10 through a material feeding pump, a material feeding pipe 6 and a vertical pipe 9, and then enter a concentrated material crushing cylinder 12;
s3: starting the motor 11, and enabling an output shaft of the motor 11 to rotate positively to drive the rotating rod 151 to rotate, wherein the rotating rod 151 breaks the filler in the concentrated crushing cylinder 12 through the plurality of blades 152, and the breaking time is 15min;
s4: after the materials are crushed, the output shaft of the motor 11 reversely rotates, the centralized crushing cylinder 12 rotates under the common cooperation of the crushing mechanism 15 and the reverse limiting transmission mechanism 153, the crushed materials are discharged into the batching crushing box 4 together with the materials in a molten state under the action of centrifugal force, and then the materials are fed into the centralized crushing cylinder 12, and the steps are repeated;
s5: starting an external hydraulic rod, pushing a piston sleeve plate 13 to the inner side of a batching and crushing box 4 by a push-pull rod 14, inputting materials in the batching and crushing box 4 into a mixing drum 2 through impact of a transmission assembly 7, then starting a heating mechanism and a mixing mechanism in the mixing drum 2 to mix the materials uniformly again, and finally discharging the materials through a discharge pipe 3; the UV pressure-sensitive adhesive prepared by the raw materials in parts by weight has relatively stable high-temperature resistant stability, and can keep stable adhesive performance when used in a high-temperature environment of 35-42 ℃; the UV pressure-sensitive adhesive can keep the original bonding state under the change of different weather temperatures.
The above-described embodiments are merely a few preferred embodiments of the present invention, and many alternative modifications and combinations of the above-described embodiments will be apparent to those skilled in the art based on the technical solutions of the present invention and the related teachings of the above-described embodiments.
Claims (8)
1. The utility model provides a preparation equipment of high temperature resistant UV pressure sensitive adhesive, includes supporting seat (1) and installs compounding bucket (2) of upper end thereof, the inside of compounding bucket (2) is provided with heating mechanism and mixing mechanism, just the bottom of compounding bucket (2) is connected with row material pipe (3), its characterized in that still includes:
the material mixing and crushing device comprises a material mixing and crushing box (4) and a concentrated material crushing barrel (12) arranged in the material mixing and crushing box, wherein a baffle plate (8) is fixedly connected to the inner end of the material mixing and crushing box (4) close to a material mixing barrel (2), a material rotating barrel (10) is fixedly connected to the side surface of the baffle plate (8) away from the concentrated material crushing barrel (12), the concentrated material crushing barrel (12) is rotatably connected to the open end of the material rotating barrel (10), and a vertical pipe (9) is connected to the upper end of the material rotating barrel (10);
a crushing mechanism (15) is arranged in the rotary charging barrel (10), and the crushing mechanism (15) comprises a rotary rod (151) which rotates and extends to the inside of the concentrated crushing barrel (12) to concentrate crushed materials;
the outer side of the rotating rod (151) is provided with a plurality of reversing limit transmission mechanisms (153), the reversing limit transmission mechanisms (153) are connected with the inner wall of the concentrated crushing barrel (12) through transmission connecting rods (19), a plurality of unidirectional material conveying holes (16) are formed in the outer surface of the concentrated crushing barrel (12), and the rotating rod (151) rotates in a reversing way to drive the concentrated crushing barrel (12) to rotate and throw out crushed materials;
the reversing limit transmission mechanism (153) comprises a connecting groove (1531) formed in the outer circumferential surface of the rotating rod (151), a rotating sleeve (1532) is rotationally connected in the connecting groove (1531), an annular groove (1533) is formed in the inner circumferential surface of the rotating sleeve (1532), and an inner ratchet wheel (1534) is connected to the inner wall of the annular groove (1533);
a groove (1535) is formed in the connecting groove (1531), and a pair of unidirectional limiting pins (1537) matched with the inner ratchet wheel (1534) for use are rotationally connected in the groove (1535) through a rotating shaft (1536); the outer end of the rotary charging barrel (10) is provided with a motor (11), and an output shaft of the motor (11) is fixedly connected with the rotary rod (151); a connecting rod (1538) is connected between the two unidirectional limiting pins (1537), and a telescopic reset rod (1539) limiting the connecting rod (1538) is connected in the groove (1535);
the inside of the batching crushing box (4) is provided with a piston sleeve plate (13) which is sleeved on the outer side of the concentrated crushing cylinder (12), the batching crushing box (4) is communicated with the mixing barrel (2) through the transmission component (7), and impact conveying is completed under the extrusion of the piston sleeve plate (13).
2. The preparation device of the high-temperature-resistant UV pressure-sensitive adhesive according to claim 1, wherein the rotating rod (151) is rotatably connected to the inner wall of the rotary cylinder (10), a plurality of blades (152) are connected to the outer circumferential surface of the rotating rod (151), and a distance is reserved between the blades (152) and the inner wall of the concentrated crushing cylinder (12).
3. The preparation device of the high temperature resistant UV pressure sensitive adhesive according to claim 2, wherein the unidirectional material conveying hole (16) is a circular hole or a rectangular hole, and the inner diameter of the inner end of the unidirectional material conveying hole (16) is larger than the inner diameter of the outer end thereof, so that the material is easy to discharge and does not flow back under the action of centrifugal force.
4. A device for preparing a high temperature resistant UV pressure sensitive adhesive according to claim 3, wherein the transferring assembly (7) comprises a square mounting frame (702) connected to the upper end of the supporting seat (1), a main pipeline (703) is connected in the square mounting frame (702), the main pipeline (703) is communicated with the mixing barrel (2) through a plurality of shunt pipes (704), the input end of the main pipeline (703) is communicated with the batching crushing box (4) through an output pipe (701), and a solenoid valve one is arranged on the output pipe (701); the upper end of batching crushing case (4) is connected with backup pad (5), perpendicular pipe (9) run through backup pad (5) and are connected with inlet pipe (6), and the output of inlet pipe (6) is provided with solenoid valve two.
5. The preparation method of the high-temperature-resistant UV pressure-sensitive adhesive is characterized by comprising the following raw materials in parts by weight:
70-80 parts of modified acrylic resin, 25-35 parts of epoxy resin, 3-9 parts of photoinitiator, 5-10 parts of tackifier, 10-20 parts of modified high-temperature-resistant filler, 15-25 parts of deionized water and 2-5 parts of compatilizer.
6. The method of preparing a high temperature resistant UV pressure sensitive adhesive according to claim 5, wherein the modified high temperature resistant filler comprises: the mass ratio of the aqueous polyurethane resin to the silica to the alumina to the triethylamine is 3:2:1:1, wherein the compatibilizer is a mixture of a styrene graft copolymer and a maleic anhydride graft polymer at a ratio of 1:1.3.
7. The method for preparing the high-temperature-resistant UV pressure-sensitive adhesive according to claim 6, which is characterized by comprising the following raw materials in parts by weight:
80 parts of modified acrylate resin, 35 parts of epoxy resin, 9 parts of photoinitiator, 10 parts of tackifier, 20 parts of modified high-temperature-resistant filler, 25 parts of deionized water and 5 parts of compatilizer.
8. The method for preparing the high temperature resistant UV pressure sensitive adhesive according to claim 7, comprising the steps of:
s1: adding modified acrylic resin, epoxy resin, a photoinitiator and a tackifier into an external container, heating to be completely molten, and then adding modified high-temperature-resistant filler, deionized water and a compatilizer into the raw materials in a molten state;
s2: the prepared materials are input into a material rotating cylinder (10) through a material feeding pump, a material feeding pipe (6) and a vertical pipe (9), and then enter a concentrated material crushing cylinder (12);
s3: starting the motor (11), wherein an output shaft of the motor (11) rotates positively to drive the rotating rod (151) to rotate, and the rotating rod (151) breaks the filler in the concentrated crushing cylinder (12) through the blades (152) for 15-20min;
s4: after the materials are crushed, the output shaft of the motor (11) reversely rotates, the centralized crushing cylinder (12) rotates under the common cooperation of the crushing mechanism (15) and the reversing limit transmission mechanism (153), the crushed materials are discharged into the batching crushing box (4) together with the materials in a molten state under the action of centrifugal force, and then the materials are fed into the centralized crushing cylinder (12), and the steps are repeated;
s5: starting an external hydraulic rod, pushing a piston sleeve plate (13) to the inner side of a batching crushing box (4) by a push-pull rod (14), inputting materials in the batching crushing box (4) into a mixing drum (2) through impact of a transfer assembly (7), then starting a heating mechanism in the mixing drum (2) and a mixing mechanism to mix the materials uniformly again, and finally discharging the materials through a discharge pipe (3).
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| JP2010082559A (en) * | 2008-09-30 | 2010-04-15 | Tajiri:Kk | Apparatus for sorting garbage |
| CN208810193U (en) * | 2018-07-11 | 2019-05-03 | 深州市博励煤炭有限公司 | A kind of coal crushing device |
| CN217120095U (en) * | 2022-04-14 | 2022-08-05 | 苏州高扬新材料有限公司 | Polymer adhesive production facility |
| CN115569587A (en) * | 2022-09-26 | 2023-01-06 | 刘注 | Livestock feed preparation system and preparation process |
| CN219187630U (en) * | 2022-10-25 | 2023-06-16 | 沈阳晏鸿建筑工程有限公司 | Recycled concrete drum screen with adjustable screening speed |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010082559A (en) * | 2008-09-30 | 2010-04-15 | Tajiri:Kk | Apparatus for sorting garbage |
| CN208810193U (en) * | 2018-07-11 | 2019-05-03 | 深州市博励煤炭有限公司 | A kind of coal crushing device |
| CN217120095U (en) * | 2022-04-14 | 2022-08-05 | 苏州高扬新材料有限公司 | Polymer adhesive production facility |
| CN115569587A (en) * | 2022-09-26 | 2023-01-06 | 刘注 | Livestock feed preparation system and preparation process |
| CN219187630U (en) * | 2022-10-25 | 2023-06-16 | 沈阳晏鸿建筑工程有限公司 | Recycled concrete drum screen with adjustable screening speed |
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