CN107603057B - Preparation facilities of heat-resisting decorative film - Google Patents
Preparation facilities of heat-resisting decorative film Download PDFInfo
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- CN107603057B CN107603057B CN201710740162.2A CN201710740162A CN107603057B CN 107603057 B CN107603057 B CN 107603057B CN 201710740162 A CN201710740162 A CN 201710740162A CN 107603057 B CN107603057 B CN 107603057B
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Abstract
The invention provides a preparation method and a device of a heat-resistant decorative film, and belongs to the technical field of decorative films. The preparation method of the heat-resistant decorative film and the device thereof are characterized in that the heat-resistant decorative film comprises a PVC film layer, a base cloth layer and a heat-resistant layer, and the preparation method of the heat-resistant decorative film comprises the following steps: a. obtaining a premix; b. forming PVC film layer slurry; c. obtaining PVC film layer particles; d. forming a PVC film layer; e. attaching the PVC film layer to one side of the base cloth layer through the first adhesive layer, and heating and pressurizing for attaching; f. the prepared heat-resistant layer is attached to the other side face of the base cloth layer through the first bonding layer, and heating and pressurizing are carried out for attachment; g. and rolling the heat-resistant decorative film. The invention has the advantage of more simply and conveniently realizing the processing of the heat-resistant decorative film.
Description
Technical Field
The invention belongs to the technical field of decorative films, and relates to a heat-resistant decorative film, in particular to a preparation method and a device of the heat-resistant decorative film.
Background
With the development of society, parts such as household appliances, automobiles, mobile phones and the like adopt a large number of plastic parts, and the requirements on surface decoration are higher and higher. The decorative film has been widely applied to outdoor aluminum alloy doors and windows in Germany, Japan, Korea and other countries, is used as a composite decorative film, and is introduced into China since 21 century. The decorative film manufactured traditionally in China is made of PVC materials, unstable active Cl < - > exists in a PVC molecular structure, a double bond structure is easily formed, the weather resistance of PVC resin is poor, and the PVC resin is easily damaged by ultraviolet rays in sunlight in the outdoor use process to cause the discoloration phenomena of yellowing, redness and the like.
Because of the above problems, for example, chinese patent literature discloses a gluing method and a gluing apparatus for ASA and PMMA alloy decorative films [ patent No.: ZL 201510098020.1; authorization notice number: CN104647856B ]. The gluing method and the gluing equipment for the ASA and PMMA alloy decorative film. The method comprises the steps of coating a layer of base coating glue on the back surface of the ASA and PMMA alloy decorative film serving as a base material, and then respectively drying and cooling the base coating glue and the base material, so that the base coating glue is dried to form a glue layer, and the ASA and PMMA alloy decorative film with the glue layer is manufactured. The gluing equipment comprises a first unreeling machine, a coating system, a plurality of heating and drying rollers, a plurality of cooling rollers, a composite roller, a second unreeling machine, a reeling machine and a rack.
However, the decorative film prepared by the gluing method and the gluing equipment for the ASA and PMMA alloy decorative film cannot obtain good heat resistance.
Disclosure of Invention
The invention aims to solve the problems in the prior art and provides a preparation method and a device of a heat-resistant decorative film.
The purpose of the invention can be realized by the following technical scheme:
the preparation method and the device of the heat-resistant decorative film are characterized in that the heat-resistant decorative film comprises a PVC film layer, a base cloth layer and a heat-resistant layer, and the preparation method of the heat-resistant decorative film comprises the following steps:
a. putting 55-85 parts of PVC resin, 5-10 parts of polypropylene fiber, 0.5-1 part of diphenyl isooctyl phosphite, 3-5 parts of stabilizer, 3-4 parts of shading powder, 2-5 parts of polypropylene fiber and 1 part of glass fiber into a stirrer, stirring at the rotating speed of 30-50 r/min and the stirring temperature of 50-80 ℃, and stirring for 10-20 min to obtain a premix;
b. putting 1-3 parts of flame-retardant filling material and 3-4 parts of shading powder into a stirrer, stirring at the rotating speed of 60-70 r/min and the stirring temperature of 100 ℃ and 120 ℃ for 60-80 min to form PVC film slurry;
c. plasticizing in an internal mixer at the temperature of 160 ℃ and 170 ℃; extruding and granulating in an extruder at the temperature of 160 ℃ and 175 ℃ and at the screw rotating speed of 50-60 r/min to obtain PVC film layer particles;
d. pressing and calendering the obtained PVC film particles by a calender to form a PVC film;
e. attaching the PVC film layer to one side of the base cloth layer through the first adhesive layer, and heating and pressurizing for attaching;
f. the prepared heat-resistant layer is attached to the other side face of the base cloth layer through the first bonding layer, and heating and pressurizing are carried out for attachment;
g. cooling and rolling the heat-resistant decorative film.
The PVC resin is used as a main raw material, and a stabilizer, shading powder, a flame-retardant filling material and the like are added to enable the decorative film to have the advantages of high flame retardance and ultraviolet resistance, so that the heat resistance of the decorative film is realized through the heat-resistant layer, and the practicability is high. Meanwhile, the method is adopted, and the existing equipment is used for preparation, so that the heat-resistant decorative film can be prepared more effectively and conveniently while the product quality is ensured.
In the preparation method of the heat-resistant decorative film, in the step d, the formed PVC film layer is subjected to quality inspection, and the unqualified PVC film layer is sent into the stirrer again to be heated and stirred, so that PVC film layer slurry is formed again.
In the above method for producing a heat-resistant decorative film, in step f, the heat-resistant layer production comprises the substeps of:
f1, putting 30-40 parts of waterborne silicone-acrylate resin, 2-6 parts of amino resin, 1-4 parts of sodium bicarbonate, 4-8 parts of polyethylene wax, 3-7 parts of nano titanium dioxide, 2-4 parts of waterborne polyisocyanate curing agent, 1-3 parts of magnesium stearate, 2-4 parts of polyoxypropylene glycerol ether, 2-6 parts of carboxymethyl cellulose, 1-2 parts of ammonium polyphosphate and 2-5 parts of ceramic fiber into a stirrer, stirring at the rotation speed of 30-50 revolutions per minute and the stirring temperature of 70-110 ℃, and stirring for 60-90 minutes to obtain heat-resistant layer slurry;
f2, plasticizing in an internal mixer at the temperature of 160 ℃ and 170 ℃ to form a powder form;
f3, putting the mixture into a calender for calendering and molding, and cooling the mixture to room temperature to obtain the heat-resistant layer.
In the preparation method and the device of the heat-resistant decorative film, in the step a, the stirrer comprises a workbench and a stirring box fixed on the workbench, the stirring box is provided with a cavity, a filter plate is horizontally fixed in the cavity of the stirring box, the cavity of the stirring box is divided into an upper cavity and a lower cavity by the filter plate, the top wall of the stirring box is provided with a first feed inlet communicated with the upper cavity of the stirring box, the side wall of the stirring box is provided with a second feed inlet communicated with the lower cavity of the stirring box, the side wall of the stirring box is provided with a first discharge outlet communicated with the lower cavity of the stirring box; the lower cavity of the stirring box is provided with a first stirring device, and the upper cavity of the stirring box is provided with a second stirring device.
Solid raw materials that will prepare the PVC rete add the last cavity to the agitator tank through feed inlet one, can stir solid raw materials in advance through agitating unit two, kibbling raw materials passes through the filter and enters into the lower cavity of agitator tank, and simultaneously, accessible feed inlet two is direct to add liquid raw materials to the lower cavity of agitator tank, under agitating unit one's effect, obtain raw materials thick liquids, adopt kibbling solid raw materials in advance, thereby can be better guarantee during solid raw materials fuses liquid raw materials, guarantee the thick liquids consistency.
In the preparation method and the device of the heat-resistant decorative film, the first stirring device comprises a lead screw and a plurality of first stirring blades, two opposite sides of the stirring box are horizontally provided with a first mounting hole and a second mounting hole, a first bearing and a second bearing are respectively fixed in the first mounting hole and the second mounting hole, two ends of the lead screw are respectively fixed on an inner ring of the first bearing and an inner ring of the second bearing, the lead screw is in threaded connection with a nut, an outer ring of the nut is sleeved with a third bearing, the first stirring blades are fixed on an outer ring of the third bearing, one end of the lead screw penetrates through the second mounting hole, and a first transmission mechanism is arranged at the penetrating end of the lead screw.
The first transmission mechanism drives the screw rod to rotate, so that the nut can be driven to transmit along with the screw rod, and the first stirring blade can be driven to transmit along with the screw rod under the action of the third bearing, so that the crushed solid raw material is blended into the liquid raw material to form slurry.
In the preparation method and the device of the heat-resistant decorative film, the first transmission mechanism comprises a transmission motor, a vertical plate is fixed on the workbench, the transmission motor is fixed on one side of the vertical plate, which faces away from the stirring box, through a motor base, a through hole is formed in the vertical plate, an output shaft of the transmission motor penetrates out of the through hole, an output shaft of the transmission motor is in clearance fit with the through hole, the through end of the output shaft of the transmission motor is connected with the first transmission shaft through a coupler, and the first transmission shaft is connected with one end of the lead screw, which penetrates out of the second mounting hole. The transmission motor drives the screw rod to rotate through the transmission shaft, so that the nut can be driven along with the screw rod.
In the preparation method and the device of the heat-resistant decorative film, the stirring device II comprises a stirring shaft and a plurality of stirring blades II, a third mounting hole is vertically formed in the top wall of the stirring box, a fourth bearing is fixed on the inner wall of the third mounting hole, the stirring shaft is vertically fixed on an inner ring of the fourth bearing, the stirring blades II are fixed on the stirring shaft, and the stirring shaft is further provided with a second transmission mechanism. And the transmission mechanism II drives the stirring shaft to rotate so as to drive the upper stirring blade of the stirring shaft to rotate, thereby realizing crushing of the solid raw material.
In the preparation method and the device of the heat-resistant decorative film, the second transmission mechanism comprises a driving gear, a driven gear, a first bevel gear and a second bevel gear, the vertical plate is provided with a mounting groove, a fifth bearing is fixed in the mounting groove, a second transmission shaft is fixed on an inner ring of the fifth bearing, the first bevel gear is fixed on the second transmission shaft, the second bevel gear is fixed on the stirring shaft, the first bevel gear is meshed with the second bevel gear, the driving gear is fixed on the first transmission shaft, the driven gear is fixed on the second transmission shaft, the driving gear is meshed with the driven gear, and the driven gear is located between the first bevel gear and the vertical plate.
The transmission motor drives the first transmission shaft to rotate, the driving gear and the driven gear are meshed with each other, so that the second transmission shaft is driven to rotate, the second transmission shaft drives the first bevel gear to rotate, the first bevel gear and the second bevel gear are meshed with each other, the stirring shaft is rotated, and solid raw materials in the upper cavity of the stirring box are crushed.
In the method and the device for preparing the heat-resistant decorative film, the number of teeth of the driving gear is greater than that of the driven gear. Thereby the rotational speed that can realize the (mixing) shaft is greater than the rotational speed of lead screw.
In the preparation method and the device of the heat-resistant decorative film, the first feeding hole is connected with the first feeding pipe, the second feeding hole is connected with the second feeding pipe, and the discharging hole is connected with the discharging pipe.
In the preparation method and the device of the heat-resistant decorative film, the feeding pipe I, the feeding pipe II and the discharging pipe are respectively provided with the feeding switch I
In the preparation method and the device of the heat-resistant decorative film, a plurality of shock-absorbing gaskets are fixed on the lower surface of the workbench.
In the preparation method and the device of the heat-resistant decorative film, the heating blocks are fixed in the upper cavity and the lower cavity of the stirring box.
Compared with the prior art, the heat-resistant decorative film and the preparation method thereof have the following advantages:
1. the decorative film has the advantages of high flame retardance and ultraviolet resistance by adopting the components, taking the PVC resin as a main raw material and adding the stabilizer, the shading powder, the flame-retardant filling material and the like, and the heat resistance of the decorative film is realized through the heat-resistant layer, so that the decorative film is high in practicability.
2. According to the invention, the heat-resistant decorative film is prepared by the preparation method and the existing equipment, so that the heat-resistant decorative film can be prepared more effectively and conveniently while the product quality is ensured.
3. According to the invention, solid raw materials are added into the upper cavity of the stirring box, the stirring shaft drives the stirring blade II to rotate, so that the solid raw materials can be pre-stirred and crushed, the crushed raw materials enter the lower cavity of the stirring box through the filter plate, meanwhile, the screw rod rotates to enable the nut to be driven along with the screw rod to drive the stirring blade I to rotate, so that the crushed solid raw materials are blended into the liquid raw materials to obtain raw material slurry, and the pre-crushed solid raw materials are adopted, so that the solid raw materials can be better ensured to be blended into the liquid raw materials, and the consistency of the slurry is ensured.
4. The transmission motor drives the screw rod to rotate through the transmission shaft, so that the nut can be driven along with the screw rod, the driving gear is fixed on the first transmission shaft, the driving gear and the driven gear are meshed with each other, so that the second transmission shaft is driven to rotate, the second transmission shaft drives the first bevel gear to rotate, and the first bevel gear and the second bevel gear are meshed with each other, so that the stirring shaft is driven to rotate, and the utilization rate of power energy can be improved.
Drawings
FIG. 1 is a schematic cross-sectional view of a heat-resistant decorative film according to the present invention;
FIG. 2 is a schematic sectional view showing the structure of the stirrer in the present invention.
In the figure, 1, a stirring box; 2. a filter plate; 3. an upper cavity; 4. a lower cavity; 5. a lead screw; 6. a first stirring blade; 7. a drive motor; 8. a vertical plate; 9. a first transmission shaft; 10. a stirring shaft; 11. a second stirring blade; 12. a second transmission shaft; 13. a driving gear; 14. a driven gear; 15. a first bevel gear; 16. a second bevel gear; 17. a heating block; 18. a heat-resistant decorative film; 19. a PVC film layer; 20. a base cloth layer; 21. a heat-resistant layer; 22. a first bonding layer; 23. and a second adhesive layer.
Detailed Description
The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.
As shown in fig. 1, a method for preparing a heat-resistant decorative film 18 and a device thereof, the heat-resistant decorative film 18 comprises a PVC film layer 19, a base fabric layer 20 and a heat-resistant layer 21, and the method for preparing the heat-resistant decorative film 18 comprises the following steps:
a. 70 parts of PVC resin, 6 parts of polypropylene fiber, 0.8 part of diphenyl isooctyl phosphite, 4 parts of stabilizer, 3 parts of shading powder, 2 parts of polypropylene fiber and 1 part of glass fiber are put into a stirrer to be stirred at the rotating speed of 30 revolutions per minute and the stirring temperature of 50 ℃ for 15 minutes to obtain a premix;
b. putting 2 parts of flame-retardant filling material and 3 parts of shading powder into a stirrer, stirring at the rotating speed of 60 revolutions per minute and the stirring temperature of 110 ℃ for 60 minutes to form PVC film layer 19 slurry;
c. plasticizing in an internal mixer at 170 ℃; extruding and granulating in an extruder at 160 ℃ and 50 rpm of the screw of the extruder to obtain 19 particles of the PVC film layer;
d. calendering and molding the obtained PVC film layer 19 particles by a calender to form a PVC film layer 19, performing quality inspection on the molded PVC film layer 19, feeding the unqualified PVC film layer 19 into a stirrer again, heating and stirring to form PVC film layer 19 slurry again;
e. attaching the PVC film layer 19 to one side of the base cloth layer 20 through the first adhesive layer 22, and heating and pressurizing for attaching;
f. the prepared heat-resistant layer 21 is attached to the other side face of the base cloth layer 20 through a first adhesive layer 22, and heating and pressurizing are carried out for attaching;
g. cooling and rolling the heat-resistant decorative film 18.
The PVC resin is used as a main raw material, and a stabilizer, shading powder, a flame-retardant filling material and the like are added to enable the decorative film to have the advantages of high flame retardance and ultraviolet resistance, so that the heat resistance of the decorative film is realized through the heat-resistant layer 21, and the practicability is high. Meanwhile, the heat-resistant decorative film 18 is prepared by the method and the existing equipment, so that the product quality is guaranteed, and the heat-resistant decorative film 18 is prepared more effectively and conveniently.
In step f, the heat-resistant layer 21 is prepared including the following substeps:
f1, putting 30 parts of waterborne silicone-acrylate resin, 4 parts of amino resin, 2 parts of sodium bicarbonate, 5 parts of polyethylene wax, 4 parts of nano titanium dioxide, 2 parts of waterborne polyisocyanate curing agent, 3 parts of magnesium stearate, 2 parts of polyoxypropylene glycerol ether, 2 parts of carboxymethyl cellulose, 1 part of ammonium polyphosphate and 2 parts of ceramic fiber into a stirrer to be stirred at the rotating speed of 30 revolutions per minute and the stirring temperature of 80 ℃ for 90 minutes to obtain heat-resistant layer 21 slurry;
f2, plasticizing in an internal mixer at 170 ℃ to form a powder form;
f3, rolling and molding in a rolling machine, and cooling to room temperature to obtain the heat-resistant layer 21.
As shown in fig. 2, in step a, the stirrer comprises a workbench and a stirring box 1 fixed on the workbench, the stirring box 1 has a cavity, a filter plate 2 is horizontally fixed in the cavity of the stirring box 1, the filter plate 2 divides the cavity of the stirring box 1 into an upper cavity 3 and a lower cavity 4, a first feeding port is arranged on the top wall of the stirring box 1, the first feeding port is communicated with the upper cavity 3 of the stirring box 1, a second feeding port is arranged on the side wall of the stirring box 1, the second feeding port is communicated with the lower cavity 4 of the stirring box 1, a first discharging port is arranged on the side wall of the stirring box 1, and the first discharging port is communicated with the lower cavity 4 of the stirring box 1; the lower cavity 4 of the stirring box 1 is provided with a first stirring device, and the upper cavity 3 of the stirring box 1 is provided with a second stirring device.
Solid raw materials that will prepare PVC rete 19 add the last cavity 3 of agitator tank 1 through feed inlet one, can stir solid raw materials in advance through agitating unit two, kibbling raw materials enters into the lower cavity 4 of agitator tank 1 through filter 2, and simultaneously, accessible feed inlet two directly adds liquid raw materials to the lower cavity 4 of agitator tank 1, under agitating unit one's effect, obtain raw materials thick liquids, adopt kibbling solid raw materials in advance, thereby guarantee that solid raw materials can be better is melted into liquid raw materials, guarantee the thick liquids consistency.
One stirring device comprises a screw rod 5 and a plurality of stirring blades 6, a first mounting hole and a second mounting hole are horizontally formed in two opposite sides of a stirring box 1, a first bearing and a second bearing are respectively fixed in the first mounting hole and the second mounting hole, two ends of the screw rod 5 are respectively fixed on a first bearing and a second bearing, a nut is in threaded connection with the screw rod 5, a third bearing is sleeved on an outer ring of the nut, the first stirring blades 6 are fixed on a third bearing, the second mounting hole is penetrated out of one end of the screw rod 5, and a first transmission mechanism is further arranged at the penetrating end of the screw rod 5. The first transmission mechanism drives the screw rod to rotate, so that the nut can be driven to transmit along with the screw rod, and under the action of the third bearing, the first stirring blade 6 can be driven to transmit along with the screw rod 5, and crushed solid raw materials are blended into liquid raw materials to form slurry. The first transmission mechanism comprises a transmission motor 7, a vertical plate 8 is fixed on the workbench, the transmission motor 7 is fixed on one side face, back to the stirring box 1, of the vertical plate 8 through a motor base, a through hole is formed in the vertical plate 8, an output shaft of the transmission motor 7 penetrates out of the through hole, the output shaft of the transmission motor 7 is in clearance fit with the through hole, the through end of the output shaft of the transmission motor 7 is connected with a first transmission shaft 9 through a coupler, and the first transmission shaft 9 is connected with one end of the lead screw 5, penetrating out of the second mounting hole. The transmission motor 7 drives the screw rod 5 to rotate through the first transmission shaft 9, so that the nut can be transmitted along with the screw rod.
The stirring device II comprises a stirring shaft 10 and a plurality of stirring blades II 11, a third mounting hole is vertically formed in the top wall of the stirring box 1, a fourth bearing is fixed on the inner wall of the third mounting hole, the stirring shaft 10 is vertically fixed on an inner ring of the fourth bearing, the stirring blades II 11 are all fixed on the stirring shaft 10, and a second transmission mechanism is further arranged on the stirring shaft 10. The second transmission mechanism drives the stirring shaft 10 to rotate the stirring shaft 10, so that the upper stirring blade of the stirring shaft 10 is driven to rotate, and solid raw materials are crushed. The second transmission mechanism comprises a driving gear 13, a driven gear 14, a first bevel gear 15 and a second bevel gear 16, a mounting groove is formed in the vertical plate 8, a fifth bearing is fixed in the mounting groove, a second transmission shaft 12 is fixed on the inner ring of the fifth bearing, the first bevel gear 15 is fixed on the second transmission shaft 12, the second bevel gear 16 is fixed on the stirring shaft 10, the first bevel gear 15 and the second bevel gear 16 are meshed with each other, the driving gear 13 is fixed on the first transmission shaft 9, the driven gear 14 is fixed on the second transmission shaft 12, the driving gear 13 and the driven gear 14 are meshed with each other, and the driven gear is located between the first bevel. The transmission motor 7 drives the first transmission shaft 9 to rotate, the driving gear 13 and the driven gear 14 are meshed with each other, so that the second transmission shaft 12 is driven to rotate, the second transmission shaft 12 drives the first bevel gear 15 to rotate, the first bevel gear 15 and the second bevel gear 16 are meshed with each other, the stirring shaft 10 is driven to rotate, and solid raw materials in the cavity 3 in the stirring box 1 are crushed. The number of teeth of the drive gear 13 is larger than that of the driven gear 14. So that the rotation speed of the stirring shaft 10 is greater than that of the screw 5.
The first feeding port is connected with a first feeding pipe, the second feeding port is connected with a second feeding pipe, and the discharging port is connected with a discharging pipe. The feeding device comprises a feeding pipe I, a feeding pipe II and a feeding switch I, wherein the feeding pipe I and the feeding pipe II are respectively provided with the feeding switch I. The lower surface of the workbench is fixed with a plurality of shock-absorbing gaskets. Heating blocks 17 are fixed in the upper cavity 3 and the lower cavity 4 of the stirring box 1.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the invention as defined in the appended claims.
Although more 1, a stir chamber is used herein; 2. a filter plate; 3. an upper cavity; 4. a lower cavity; 5. a lead screw; 6. a first stirring blade; 7. a drive motor; 8. a vertical plate; 9. a first transmission shaft; 10. a stirring shaft; 11. a second stirring blade; 12. a second transmission shaft; 13. a driving gear; 14. a driven gear; 15. a first bevel gear; 16. a second bevel gear; 17. a heating block; 18. a heat-resistant decorative film; 19. a PVC film layer; 20. a base cloth layer; 21. a heat-resistant layer; 22. a first bonding layer; 23. adhesive layer, etc., but does not exclude the possibility of using other terms. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed as being without limitation to any additional limitations that may be imposed by the spirit of the present invention.
Claims (3)
1. A preparation device of a heat-resistant decorative film comprises a stirrer and is characterized in that the stirrer comprises a workbench and a stirring box fixed on the workbench, the stirring box is provided with a cavity, a filter plate is horizontally fixed in the cavity of the stirring box, the cavity of the stirring box is divided into an upper cavity and a lower cavity by the filter plate, a first feed inlet is formed in the top wall of the stirring box and communicated with the upper cavity of the stirring box, a second feed inlet is formed in the side wall of the stirring box and communicated with the lower cavity of the stirring box, a first discharge outlet is formed in the side wall of the stirring box, and the first discharge outlet is communicated with the lower cavity of the stirring box; the lower cavity of the stirring box is provided with a first stirring device, the upper cavity of the stirring box is provided with a second stirring device, the first stirring device comprises a lead screw and a plurality of first stirring blades, two opposite sides of the stirring box are horizontally provided with a first mounting hole and a second mounting hole, a first bearing and a second bearing are respectively fixed in the first mounting hole and the second mounting hole, two ends of the lead screw are respectively fixed on inner rings of the first bearing and the second bearing, the lead screw is in threaded connection with a nut, an outer ring of the nut is sleeved with a third bearing, the first stirring blades are fixed on an outer ring of the third bearing, one end of the lead screw penetrates out of the second mounting hole, a first transmission mechanism is further arranged at the penetrating end of the lead screw, the first transmission mechanism comprises a first transmission motor, a vertical plate is fixed on the workbench, and the first transmission motor is fixed on a side surface of the vertical plate back to the stirring box through a motor seat, the vertical plate is provided with a through hole, an output shaft of a transmission motor penetrates through the through hole, the output shaft of the transmission motor is in clearance fit with the through hole, the through end of the output shaft of the transmission motor is connected with a first transmission shaft through a coupler, the first transmission shaft is connected with one end of a screw rod penetrating through a second mounting hole, a second stirring device comprises a stirring shaft and a plurality of second stirring blades, a third mounting hole is vertically formed in the top wall of the stirring box, a fourth bearing is fixed on the inner wall of the third mounting hole, the stirring shaft is vertically fixed on an inner ring of the fourth bearing, the second stirring blades are fixed on the stirring shaft, a second transmission mechanism is further arranged on the stirring shaft, the second transmission mechanism comprises a driving gear, a driven gear, a first bevel gear and a second bevel gear, a mounting groove is formed in the vertical plate, and a fifth bearing is fixed in the mounting, and a second transmission shaft is fixed on an inner ring of the fifth bearing, the first bevel gear is fixed on the second transmission shaft, the second bevel gear is fixed on the stirring shaft, the first bevel gear and the second bevel gear are mutually meshed, the driving gear is fixed on the first transmission shaft, the driven gear is fixed on the second transmission shaft, the driving gear and the driven gear are mutually meshed, and the driven gear is positioned between the first bevel gear and the vertical plate.
2. The apparatus of claim 1, wherein the number of teeth of the driving gear is greater than the number of teeth of the driven gear.
3. The apparatus for preparing a heat-resistant decorative film according to claim 2, wherein a heating block is fixed in each of the upper and lower cavities of the stirring tank.
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| CN107627696A (en) * | 2017-08-25 | 2018-01-26 | 浙江汇锋薄膜科技有限公司 | A kind of heat-resisting decorating film and preparation method thereof |
| CN108727725B (en) * | 2018-04-03 | 2021-03-05 | 杭州升腾卫浴洁具有限公司 | Method for producing PVC (polyvinyl chloride) film for architectural coating |
| CN109826381A (en) * | 2019-02-01 | 2019-05-31 | 嘉兴豪格新材料科技有限公司 | A kind of production technology of wallboard appearance mask |
| CN110215013A (en) * | 2019-07-17 | 2019-09-10 | 全南海旭纤维制品有限公司 | A kind of orthogonal composite structure of sport footwear insole |
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| CN106426605A (en) * | 2016-08-31 | 2017-02-22 | 无锡优萌模塑制造有限公司 | Stirring-uniform plastic particle production stirrer |
| CN106732124A (en) * | 2016-11-29 | 2017-05-31 | 洛阳毅兴石化电器仪表设备有限公司 | A kind of chemical raw material mixing stirring device for being easy to screen |
| CN106703311A (en) * | 2016-12-22 | 2017-05-24 | 安徽易有墙纸有限公司 | Heat-resisting waterproof wallpaper and production method thereof |
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