CN112643915B - Polylactic acid resin production equipment for increasing tensile strength - Google Patents

Polylactic acid resin production equipment for increasing tensile strength Download PDF

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Publication number
CN112643915B
CN112643915B CN202011283943.1A CN202011283943A CN112643915B CN 112643915 B CN112643915 B CN 112643915B CN 202011283943 A CN202011283943 A CN 202011283943A CN 112643915 B CN112643915 B CN 112643915B
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China
Prior art keywords
kneading
fixedly connected
stirring
shell
heating
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CN202011283943.1A
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CN112643915A (en
Inventor
杨勇
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Jiangxi Andeli High-New Science & Technology Co ltd
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Jiangxi Andeli High-New Science & Technology Co ltd
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Priority to CN202011283943.1A priority Critical patent/CN112643915B/en
Priority to CN202210622183.5A priority patent/CN114768648A/en
Priority to CN202210628506.1A priority patent/CN114870784A/en
Publication of CN112643915A publication Critical patent/CN112643915A/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J19/00Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J19/18Stationary reactors having moving elements inside
    • B01J19/20Stationary reactors having moving elements inside in the form of helices, e.g. screw reactors
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01FMIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F27/00Mixers with rotary stirring devices in fixed receptacles; Kneaders
    • B01F27/05Stirrers
    • B01F27/09Stirrers characterised by the mounting of the stirrers with respect to the receptacle
    • B01F27/091Stirrers characterised by the mounting of the stirrers with respect to the receptacle with elements co-operating with receptacle wall or bottom, e.g. for scraping the receptacle wall
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01FMIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F27/00Mixers with rotary stirring devices in fixed receptacles; Kneaders
    • B01F27/05Stirrers
    • B01F27/11Stirrers characterised by the configuration of the stirrers
    • B01F27/114Helically shaped stirrers, i.e. stirrers comprising a helically shaped band or helically shaped band sections
    • B01F27/1145Helically shaped stirrers, i.e. stirrers comprising a helically shaped band or helically shaped band sections ribbon shaped with an open space between the helical ribbon flight and the rotating axis
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01FMIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F35/00Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
    • B01F35/55Baffles; Flow breakers
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J19/00Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J19/0006Controlling or regulating processes
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J19/00Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J19/0053Details of the reactor
    • B01J19/0066Stirrers
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01FMIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F2101/00Mixing characterised by the nature of the mixed materials or by the application field
    • B01F2101/2204Mixing chemical components in generals in order to improve chemical treatment or reactions, independently from the specific application
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01FMIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F2101/00Mixing characterised by the nature of the mixed materials or by the application field
    • B01F2101/2805Mixing plastics, polymer material ingredients, monomers or oligomers
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00Technologies relating to chemical industry
    • Y02P20/10Process efficiency

Abstract

The invention relates to the technical field of polylactic resin production equipment, in particular to polylactic resin production equipment for increasing tensile strength. The device comprises a device shell, wherein the interior of the device shell at least comprises a heating and melting device, a stirring device, a plugging device, a kneading device and a sliding device; the heating melts the device and includes heating shell, heating shell's top fixedly connected with filling tube, bottom one side fixedly connected with discharging pipe of heating shell, heating shell's inside fixedly connected with inclined baffle and hot plate, agitating unit is including stirring shell and the rabbling mechanism of setting in stirring shell inside, the rabbling mechanism includes the rotation axis, the cylinder outside central symmetry of rotation axis is provided with two arc channel strips, the device of kneading is including the bucket of kneading and setting up the dish of kneading inside the bucket of kneading that is the cylinder, the chamber of kneading has been seted up to the inside of kneading the bucket. The invention mainly solves the problem that the polylactic acid resin is not fully mixed with chemical substances for enhancing the tensile strength of the polylactic acid resin during production.

Description

Polylactic acid resin production equipment for increasing tensile strength
Technical Field
The invention relates to the technical field of polylactic resin production equipment, in particular to polylactic resin production equipment for increasing tensile strength.
Background
The polylactic acid has good thermal stability, the processing temperature is between 170 and 230 ℃, and the polylactic acid has good solvent resistance and can be processed in various modes, such as extrusion, spinning, biaxial stretching and injection blow molding. The product made of polylactic acid can be biodegraded, has good biocompatibility, glossiness, transparency, hand feeling and heat resistance, and the polylactic acid (PLA) developed by the Youhua industry also has certain antibacterial property, flame retardance and ultraviolet resistance, therefore, the fiber can be widely used as a packaging material, a fiber, a non-woven fabric and the like, and is mainly used for clothes (underwear and outerwear), industry (building, etc.),AgriculturalThe forestry industry,Paper making) And medical and health fields.
In the production process of the existing polylactic acid resin, some chemical substances are added to improve the tensile strength of the polylactic acid resin, but in the production process, in the process of fusing the chemical substances and the polylactic acid resin, the blending time is too short, so that the chemical substances and the polylactic acid resin are not fully fused, and the tensile strength of the produced polylactic acid resin is influenced.
Disclosure of Invention
The present invention is directed to an apparatus for producing polylactic acid resin with increased tensile strength to solve the problems of the background art described above.
In order to achieve the aim, the polylactic resin production equipment for increasing the tensile strength comprises a device shell, wherein the device shell at least comprises a heating and melting device, a stirring device, a plugging device, a kneading device and a sliding device;
the heating and melting device comprises a heating shell, a feeding pipe is fixedly connected to the top of the heating shell, a discharging pipe is fixedly connected to one side of the bottom of the heating shell, an inclined baffle and a heating plate are fixedly connected to the inside of the discharging pipe, and an electric heating wire is fixedly connected to the bottom of the heating plate;
the stirring device comprises a stirring shell and a stirring mechanism arranged in the stirring shell, wherein the stirring shell comprises a stirring barrel and support columns which are annularly arranged and fixedly connected to the bottom of the stirring barrel, a liquid outlet is formed in the bottom of the stirring barrel, the stirring mechanism comprises a rotating shaft, two arc groove strips are arranged on the outer side of a cylinder of the rotating shaft in a central symmetry manner, liquid scraping plates are fixedly connected to the side wall close to one end of the bottom of the rotating shaft in a bilateral symmetry manner, and the liquid scraping plates are fixedly connected with one ends of the bottoms of the arc groove strips;
the plugging device comprises a fixed block, a liquid running pipe is arranged at the top of the fixed block, a plugging rod and a triangular inclined block are arranged between the fixed block and the liquid running pipe, the plugging rod is arranged on the upper side of the triangular inclined block, the bottom of the plugging rod is in contact with the upper surface of the triangular inclined block, and one end of the triangular inclined block is fixedly connected with a telescopic rod;
the rubbing device comprises a cylindrical rubbing barrel and a rubbing disc arranged inside the rubbing barrel, one side of the rubbing barrel close to the top end is provided with a liquid inlet of the rubbing barrel, a rubbing cavity is arranged inside the rubbing barrel, auxiliary hanging columns are symmetrically and fixedly connected to the side wall inside the rubbing cavity in a left-right mode, the middle of one side of the rubbing disc is provided with a rubbing driving gear and rubbing driven gears symmetrically arranged on two sides of the rubbing driving gear in a left-right mode, a position, close to the middle, of one side of each rubbing driven gear is fixedly connected with a rubbing L-shaped plate, one end of each rubbing L-shaped plate penetrates through the rubbing disc and extends out, and a positioning strip is symmetrically and fixedly connected to the side of the rubbing disc provided with the rubbing driving gear in a left-right mode;
the sliding device comprises a U-shaped sliding plate, sliding blocks are fixedly connected to the bottom of the U-shaped sliding plate in a bilateral symmetry mode, sliding grooves are formed in the bottom of the U-shaped sliding plate in a bilateral symmetry mode, and the sliding blocks are placed inside the sliding grooves.
As a further improvement of the technical solution, a device placing cavity is arranged inside the device housing, the heating and melting device is arranged inside the device housing and close to the top side, the stirring device is arranged on one side of the bottom of the heating and melting device, the kneading device is arranged on one side of the stirring device and close to the lower end, the plugging device is arranged between the bottom of the stirring device and the kneading device, and the sliding device is arranged on one side of the kneading device.
As a further improvement of the technical scheme, the upper end of the side wall of the device shell close to the stirring device is provided with a material adding port, and the opposite side walls of the device shell close to the sliding device are respectively provided with an article taking-out port and a pushing sliding port.
As a further improvement of the technical scheme, the heating shell is fixed on the side wall of the inner part of the device placing cavity, the feeding pipe penetrates through the side wall of the top of the device shell and extends out, one end, close to the heating plate, of the inclined baffle plate is evenly provided with a plurality of liquid leakage ports, the heating plate and the inclined baffle plate divide the inner part of the heating shell into a melting cavity and a melting liquid placing cavity, and the discharging pipe is arranged above the stirring device in a social mode.
As a further improvement of this technical scheme, the one end fixed connection of support column is in the bottom that the chamber was placed to the device, the one end of rotation axis runs through the bottom of agitator and extends away to fixedly connected with stirring driven gear, the bottom of agitator is fixed with the agitator motor mount, the inside fixedly connected with agitator motor of agitator motor mount, fixedly connected with stirring drive gear in agitator motor's the pivot, stirring drive gear and stirring driven gear meshing.
As a further improvement of the technical scheme, the top bilateral symmetry fixedly connected with location strip of rotation axis, the other end of location strip is fixed on the lateral wall that is close to the rotation axis bottom, the upper surface of scraping the liquid board is along the length direction align to grid fixedly connected with a plurality of minutes liquid board of scraping the liquid board.
As a further improvement of the technical scheme, the bottom fixed connection of fixed block is in the bottom that the chamber was placed to the device, the one end fixedly connected with fixed stop of telescopic link, fixed stop's bottom fixed connection is in the bottom that the chamber was placed to the device, the upper surface bilateral symmetry fixedly connected with shutoff draw runner of fixed block, the bottom setting of triangle sloping block is between the shutoff draw runner, the one end of inserting the stifled stick is pegged graft in the inside of walking the liquid pipe, the bottom of inserting the stifled stick is equipped with the chute, walk the both ends of liquid pipe and be connected with liquid outlet, rubbing bucket income liquid mouth respectively.
As a further improvement of the technical scheme, the front and the back of the bottom of the kneading barrel are fixedly connected with supporting blocks, the bottom of each supporting block is fixedly connected to the bottom of the device placing cavity, one side of the kneading disc is connected with a kneading motor fixing frame through a screw, a kneading motor is fixedly connected to the inside of the kneading motor fixing frame, and one end of a rotating shaft of the kneading motor is fixedly connected with the kneading driving gear.
As a further improvement of the technical scheme, the sliding groove is fixedly connected to the bottom of the device placing cavity, and the article taking-out port and the pushing sliding port are arranged on two sides of the sliding groove.
As a further improvement of the technical scheme, a fixing strip is fixedly connected to the upper surface of one end of the positioning strip, sliding rails are arranged on the inner side walls of the U-shaped sliding plates in bilateral symmetry, one end of the positioning strip is placed inside the U-shaped sliding plate, a positioning screw is arranged on the upper surface of the fixing strip, and one end of the positioning screw penetrates through the fixing strip to be in contact with the side walls of the U-shaped sliding plate.
Compared with the prior art, the invention has the beneficial effects that:
1. in this increase tensile strength's polylactic resin production facility, set up the heating that carries out the heating to the material of solid and melt the device, when having the material that can heat and melt in the material of adding, put into the inside that the heating melted the device with the material and heat and melt, do not need the operator to melt the back with polylactic resin with the material and mix, make things convenient for the operator to operate.
2. In this increase tensile strength's polylactic acid resin production facility, set up agitating unit, stir polylactic acid resin mixture, when agitating unit stirs polylactic acid resin, the arc groove strip will pile up in the polylactic acid resin upset of agitator bottom, make polylactic acid resin can mix completely with the material that strengthens polylactic acid resin tensile strength, guarantee that chemical substance and polylactic acid resin react completely.
3. In the polylactic resin production equipment for increasing the tensile strength, the plugging device is arranged, and the position of the plugging device is adjusted according to the mixing degree of the mixed polylactic resin, so that the polylactic resin in the stirring device is controlled to enter the kneading device, and the device is convenient to control the flow direction of the polylactic resin.
4. In the polylactic resin production equipment for increasing the tensile strength, the arranged kneading device repeatedly kneads the polylactic resin stirred by the stirring device, so that the mixing of the polylactic resin and chemical substances is enhanced, and meanwhile, air bubbles accumulated in the polylactic resin during stirring of the polylactic resin are removed, and the tensile strength after the production of the polylactic resin is ensured.
Drawings
FIG. 1 is a schematic view of the entire structure of embodiment 1;
FIG. 2 is a schematic sectional view of the whole structure of embodiment 1;
FIG. 3 is a schematic view of the structure of a heating and melting apparatus according to example 1;
FIG. 4 is a schematic sectional view showing the structure of the thermal thawing apparatus according to example 1;
FIG. 5 is a schematic view of the stirring apparatus of embodiment 1;
FIG. 6 is a schematic sectional view showing the structure of the stirring apparatus according to embodiment 1;
FIG. 7 is a schematic structural view of a stirring mechanism according to embodiment 1;
FIG. 8 is a schematic cross-sectional view of the occluding device of example 1;
FIG. 9 is one of schematic cross-sectional structural views of the kneading apparatus according to embodiment 1;
FIG. 10 is one of schematic cross-sectional structural views of the kneading apparatus according to embodiment 1;
FIG. 11 is a schematic view of the structure at A in example 1;
fig. 12 is a schematic structural view of a sliding apparatus according to embodiment 1.
The various reference numbers in the figures mean:
1. a device housing; 11. a device placement chamber; 12. a material adding port; 13. an article removal port; 14. pushing the sliding opening;
2. a heating and melting device; 21. heating the housing; 22. a feed tube; 23. a discharge pipe; 24. a thawing chamber; 25. a melt liquid placing cavity; 26. heating plates; 27. an inclined baffle plate; 28. a liquid leakage port; 29. an electric heating wire;
3. a stirring device;
31. stirring the shell; 311. a stirring barrel; 312. a support pillar; 313. a stirring motor fixing frame; 314. a stirring motor; 315. a liquid outlet; 316. a stirring driving gear;
32. a stirring mechanism; 321. a rotating shaft; 322. arc groove strips; 323. a positioning bar; 324. a liquid scraping plate; 325. stirring the driven gear; 326. a liquid separation plate;
4. a plugging device; 41. a fixed block; 42. a liquid feeding pipe; 43. inserting a blocking rod; 44. a chute; 45. a triangular oblique block; 46. plugging the sliding strip; 47. a telescopic rod; 48. fixing a baffle plate;
5. a kneading device;
51. a kneading barrel; 511. a kneading chamber; 512. a liquid inlet of the kneading barrel; 513. a supporting block; 514. an auxiliary hanging column;
52. kneading a rubbing disc; 521. kneading the driving gear; 522. kneading the driven gear; 523. rubbing the L-shaped plate; 524. rubbing the motor fixing frame; 525. a kneading motor; 526. a positioning bar; 527. a fixing strip; 528. a set screw;
6. a sliding device; 61. a U-shaped sliding plate; 62. a slider; 63. a sliding track; 64. a sliding groove.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
Example 1
Referring to fig. 1 to 12, there is provided an apparatus for producing polylactic acid resin with increased tensile strength, comprising a device housing 1, wherein: the device shell 1 at least comprises a heating and melting device 2, a stirring device 3, a plugging device 4, a kneading device 5 and a sliding device 6;
the heating and melting device 2 comprises a heating shell 21, wherein the top of the heating shell 21 is fixedly connected with a feeding pipe 22, one side of the bottom of the heating shell 21 is fixedly connected with a discharging pipe 23, the interior of the heating shell 21 is fixedly connected with an inclined baffle 27 and a heating plate 26, and the bottom of the heating plate 26 is fixedly connected with an electric heating wire 29;
device 2 is melted in heating of this embodiment when using, give electric heating wire 29 circular telegram, make electric heating wire 29 generate heat, heat hot plate 26, put into the chemical that needs the heating to melt through filling tube 22, the chemical enters into on the hot plate 26 in the discharging pipe 24 through filling tube 22, the hot plate 26 that is heated by electric heating wire 29 melts the chemical heating, the chemical that melts drops to melt liquid through hourglass liquid mouth 28 and places the chamber 25, and the inside of agitator 311 is dripped into through discharging pipe 23.
The stirring device 3 comprises a stirring shell 31 and a stirring mechanism 32 arranged inside the stirring shell 31, the stirring shell 31 comprises a stirring barrel 311 and support columns 312 which are annularly arranged and fixedly connected to the bottom of the stirring barrel 311, a liquid outlet 315 is formed in the bottom of the stirring barrel 311, the stirring mechanism 32 comprises a rotating shaft 321, two arc groove strips 322 are symmetrically arranged at the center of the outer side of the column body of the rotating shaft 321, liquid scraping plates 324 are symmetrically and fixedly connected to the left and right of the side wall close to one end of the bottom of the rotating shaft 321, and the liquid scraping plates 324 are fixedly connected with one end of the arc groove strips 322;
when the stirring device 3 in this embodiment is used, the stirring motor 314 is powered on, so that the stirring motor 314 drives the stirring driving gear 316 to rotate, the rotating stirring driving gear 316 drives the stirring driven gear 325 and the rotating shaft 321 to rotate, the rotating shaft 321 drives the arc groove strip 322 to rotate, the polylactic resin and the chemical substances in the stirring barrel 311 are stirred, and the arc groove strip 322 overturns the polylactic resin at the bottom of the stirring barrel 311 onto the stirring barrel 311 when rotating, so that the polylactic resin and the chemical substances are uniformly mixed.
The plugging device 4 comprises a fixed block 41, a liquid running pipe 42 is arranged at the top of the fixed block 41, a plugging rod 43 and a triangular inclined block 45 are arranged between the fixed block 41 and the liquid running pipe 42, the plugging rod 43 is arranged on the upper side of the triangular inclined block 45, the bottom of the plugging rod 43 is in contact with the upper surface of the triangular inclined block 45, and one end of the triangular inclined block 45 is fixedly connected with an expansion link 47;
when the plugging device 4 in this embodiment is used, the telescopic rod 47 is opened, so that the piston on the telescopic rod 47 extends outwards, the triangular sloping block 45 is pushed to move, the inclined groove 44 contacts with the inclined surface of the triangular sloping block 45, the triangular sloping block 45 pushes the plugging rod 43 to ascend, the plugging rod 43 plugs the liquid flowing pipe 42, and the polylactic acid resin in the stirring device 3 is controlled to enter the kneading device 5.
The kneading device 5 comprises a cylindrical kneading barrel 51 and a kneading disc 52 arranged inside the kneading barrel 51, one side of the kneading barrel 51 close to the top end is provided with a kneading barrel liquid inlet 512, a kneading cavity 511 is arranged inside the kneading barrel 51, auxiliary hanging columns 514 are fixedly connected on the side wall inside the kneading cavity 511 in a bilateral symmetry manner, the middle part of one side of the kneading disc 52 is provided with a kneading driving gear 521 and kneading driven gears 522 arranged on the two sides of the kneading driving gear 521 in a bilateral symmetry manner, a position close to the middle part of one side of the kneading driven gears 522 is fixedly connected with a kneading L-shaped plate 523, one end of the kneading L-shaped plate 523 penetrates through the kneading disc 52 and extends out, and one side of the kneading disc 52 provided with the kneading driving gear is fixedly connected with positioning strips 526 in a bilateral symmetry manner;
when the kneading device 5 in this embodiment is used, the polylactic acid resin entering the kneading cavity 511 through the liquid flowing pipe 42 is accumulated in the kneading cavity 511, the kneading motor 525 is energized, the kneading motor 525 drives the kneading driving gear 521 to rotate, the rotating kneading driving gear 521 drives the kneading driven gear 522 to rotate, the kneading L-shaped plate 523 stirs the polylactic acid resin to remove air bubbles in the polylactic acid resin, and the polylactic acid resin is stirred again to enhance the mixing reaction of the chemical substance and the polylactic acid resin.
The sliding device 6 comprises a U-shaped sliding plate 61, sliding blocks 62 are fixedly connected to the bottom of the U-shaped sliding plate 61 in a bilaterally symmetrical mode, sliding grooves 64 are formed in the bottom of the U-shaped sliding plate 61 in a bilaterally symmetrical mode, and the sliding blocks 62 are placed inside the sliding grooves 64.
When the sliding device 6 in this embodiment is used, the kneading disc 52 is moved to pull the stirred semi-solidified pla resin out of the kneading chamber 511, and the U-shaped sliding plate 61 is moved to move the kneading disc 52 to the position of the article outlet 13 by moving the kneading disc 52, so that the operator can take out the mixed pla resin.
As a further improvement of the technical scheme, a device placing cavity 11 is arranged in a device shell 1, a heating and melting device 2 is arranged at a position close to the top side in the device shell 1, a stirring device 3 is arranged on one side of the bottom of the heating and melting device 2, a kneading device 5 is arranged at a position close to the lower end on one side of the stirring device 3, a blocking device 4 is arranged between the bottom of the stirring device 3 and the kneading device 5, a sliding device 6 is arranged on one side of the kneading device 5, and the positions of the heating and melting device 2, the stirring device 3, the blocking device 4, the kneading device 5 and the sliding device 6 are fixed, so that the device is compact in structure.
As a further improvement of this technical solution, the upper end of the position of the side wall of the device housing 1 close to the stirring device 3 is provided with a material adding port 12, the opposite side walls of the device housing 1 close to the sliding device 6 are respectively provided with an article taking-out port 13 and a pushing sliding port 14, the sliding groove 64 is fixedly connected to the bottom of the device placing cavity 11, and the article taking-out port 13 and the pushing sliding port 14 are provided at the two sides provided with the sliding groove 64, so that the operator can conveniently feed in the stirring barrel 311 through the material adding port 12, and push the U-shaped sliding plate 61 through the pushing sliding port 14, so that the operator can take the material through the article taking-out port 13.
As the further improvement of this technical scheme, heating shell 21 is fixed on the inside lateral wall that the chamber 11 was placed to the device, filling tube 22 runs through the top lateral wall of device shell 1 and extends away, a plurality of weeping mouths 28 have evenly been seted up to the one end that oblique baffle 27 is close to hot plate 26, hot plate 26 and oblique baffle 27 cut apart into the inside of heating shell 21 and melt chamber 24 and melt the liquid and place chamber 25, discharging pipe 23 sets up in agitating unit 3's top, it melts to be convenient for heat and melt device 2 and heat chemical substance.
As a further improvement of this technical scheme, the one end fixed connection of support column 312 is in the bottom that the chamber 11 was placed to the device, the one end of rotation axis 321 runs through the bottom of agitator 311 and extends away, and fixedly connected with stirring driven gear 325, the bottom of agitator 311 is fixed with agitator motor mount 313, the inside fixedly connected with agitator motor 314 of agitator motor mount 313, fixedly connected with stirring drive gear 316 in agitator motor 314's the pivot, stirring drive gear 316 and the meshing of stirring driven gear 325, it is rotatory to be convenient for agitator motor 314 to drive rabbling mechanism 32, stir the material of placing in agitator 311.
As a further improvement of the technical scheme, the top of the rotating shaft 321 is fixedly connected with positioning strips 323 in a bilateral symmetry manner, the other ends of the positioning strips 323 are fixed on the side wall close to the bottom of the rotating shaft 321, the upper surface of the liquid scraping plate 324 is uniformly and fixedly connected with a plurality of liquid separating plates 326 along the length direction of the liquid scraping plate 324, and the arranged liquid separating plates 326 stir the polylactic resin, so that bubbles in the polylactic resin can be removed conveniently.
As a further improvement of this technical scheme, the bottom fixed connection of fixed block 41 is in the bottom that the chamber 11 was placed to the device, the one end fixedly connected with fixed stop 48 of telescopic link 47, the bottom fixed connection of fixed stop 48 is in the bottom that the chamber 11 was placed to the device, the upper surface bilateral symmetry fixedly connected with shutoff draw runner 46 of fixed block 41, the bottom of triangle sloping block 45 sets up between shutoff draw runner 46, the one end of inserting stifled stick 43 is pegged graft in the inside of walking liquid pipe 42, the bottom of inserting stifled stick 43 is equipped with chute 44, walk the both ends of liquid pipe 42 respectively with the liquid outlet 315, rub bucket liquid inlet 512 and connect, the mobile position of restriction triangle sloping block 45, make triangle sloping block 45 drive and insert stifled stick 43 and remove.
As a further improvement of the present technical solution, the front and rear of the bottom of the kneading barrel 51 are fixedly connected with supporting blocks 513, the bottom of the supporting block 513 is fixedly connected to the bottom of the device placing chamber 11, one side of the kneading disc 52 is screwed with a kneading motor fixing frame 524, the inside of the kneading motor fixing frame 524 is fixedly connected with a kneading motor 525, one end of the rotating shaft of the kneading motor 525 is fixedly connected with a kneading driving gear 521, the upper surface of one end of a positioning strip 526 is fixedly connected with a fixing strip 527, sliding rails 63 are disposed on the inner side walls of the bilateral symmetry of the U-shaped sliding plate 61, one end of the positioning strip 526 is placed inside the U-shaped sliding plate 61, the upper surface of the fixing strip 527 is provided with a positioning screw 528, one end of the positioning screw 528 penetrates through the fixing strip 527 and the side wall of the U-shaped sliding plate 61 to contact, and fixes the position of the kneading disc 52, so that the kneading disc 52 can work in the kneading chamber 511.
The foregoing shows and describes the general principles, principal features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments, and the above embodiments and descriptions are only preferred examples of the present invention and are not intended to limit the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the present invention, which fall within the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (7)

1. The utility model provides an increase tensile strength's polylactic acid resin production facility, includes device shell (1), its characterized in that: the device comprises a device shell (1) and a device cover, wherein the device shell at least comprises a heating and melting device (2), a stirring device (3), a plugging device (4), a kneading device (5) and a sliding device (6);
the heating and melting device (2) comprises a heating shell (21), the top of the heating shell (21) is fixedly connected with a feeding pipe (22), one side of the bottom of the heating shell (21) is fixedly connected with a discharging pipe (23), the inside of the discharging pipe (23) is fixedly connected with an inclined baffle plate (27) and a heating plate (26), the bottom of the heating plate (26) is fixedly connected with an electric heating wire (29), the heating shell (21) is fixed on the inner side wall of a device placing cavity (11), the feeding pipe (22) penetrates through the top side wall of the device shell (1) and extends out, one end, close to the heating plate (26), of the inclined baffle plate (27) is uniformly provided with a plurality of liquid leakage ports (28), the heating plate (26) and the inclined baffle plate (27) divide the inside of the heating shell (21) into a melting cavity (24) and a melting liquid placing cavity (25), and the discharging pipe (23) is arranged above the stirring device (3);
the stirring device (3) comprises a stirring shell (31) and a stirring mechanism (32) arranged inside the stirring shell (31), the stirring shell (31) comprises a stirring barrel (311) and a support column (312) which is arranged and fixedly connected to the bottom of the stirring barrel (311) in an annular mode, a liquid outlet (315) is formed in the bottom of the stirring barrel (311), the stirring mechanism (32) comprises a rotating shaft (321), two arc groove strips (322) are arranged in the center of the outer side of a column body of the rotating shaft (321), the support column is close to a lateral wall at one end of the bottom of the rotating shaft (321), a liquid scraping plate (324) is fixedly connected to one end of the bottom of the support column (324) and one end of the bottom of the arc groove strips (322), one end of the support column (312) is fixedly connected to the bottom of a device placing cavity (11), one end of the rotating shaft (321) penetrates through the bottom of the stirring barrel (311) and extends out, a stirring driven gear (325) is fixedly connected to the bottom of the stirring barrel (311), a stirring motor fixing frame (313) is fixedly connected to a stirring motor (314), and a driving gear (316) are meshed with the stirring gear (325), the top of the rotating shaft (321) is fixedly connected with positioning strips (323) in a bilateral symmetry mode, the other ends of the positioning strips (323) are fixed on the side wall close to the bottom of the rotating shaft (321), and a plurality of liquid distribution plates (326) are uniformly arranged and fixedly connected on the upper surface of the liquid scraping plate (324) along the length direction of the liquid scraping plate (324);
the plugging device (4) comprises a fixing block (41), a liquid flowing pipe (42) is arranged at the top of the fixing block (41), a plugging rod (43) and a triangular inclined block (45) are arranged between the fixing block (41) and the liquid flowing pipe (42), the plugging rod (43) is arranged on the upper side of the triangular inclined block (45), the bottom of the plugging rod (43) is in contact with the upper surface of the triangular inclined block (45), and an expansion rod (47) is fixedly connected to one end of the triangular inclined block (45);
the kneading device (5) comprises a cylindrical kneading barrel (51) and a kneading disc (52) arranged inside the kneading barrel (51), one side of the kneading barrel (51) close to the top end is provided with a kneading barrel liquid inlet (512), the inside of the kneading barrel (51) is provided with a kneading cavity (511), the side wall inside the kneading cavity (511) is bilaterally and symmetrically and fixedly connected with auxiliary hanging columns (514), the middle part of one side of the kneading disc (52) is provided with a kneading driving gear (521) and kneading driven gears (522) bilaterally and symmetrically arranged at two sides of the kneading driving gear (521), the position of one side of the kneading driven gear (522) close to the middle part is fixedly connected with a kneading L-shaped plate (523), one end of the kneading L (523) penetrates through the kneading disc (52) and extends out, and one side of the kneading disc (52) provided with the kneading driving gear (521) is bilaterally and symmetrically and fixedly connected with positioning strips (526);
the sliding device (6) comprises a U-shaped sliding plate (61), sliding blocks (62) are fixedly connected to the bottom of the U-shaped sliding plate (61) in a bilateral symmetry mode, sliding grooves (64) are formed in the bottom of the U-shaped sliding plate (61) in the bilateral symmetry mode, and the sliding blocks (62) are placed inside the sliding grooves (64).
2. The apparatus for producing polylactic acid resin with increased tensile strength according to claim 1, wherein: the device is characterized in that a device placing cavity (11) is arranged inside the device shell (1), the heating and melting device (2) is arranged inside the device shell (1) and close to the top side, the stirring device (3) is arranged on one side of the bottom of the heating and melting device (2), the kneading device (5) is arranged on one side of the stirring device (3) and close to the lower end, the blocking device (4) is arranged between the bottom of the stirring device (3) and the kneading device (5), and the sliding device (6) is arranged on one side of the kneading device (5).
3. The apparatus for producing polylactic acid resin with increased tensile strength according to claim 2, wherein: the upper end of the position, close to the stirring device (3), of the side wall of the device shell (1) is provided with a material adding port (12), and the opposite side walls, close to the device shell (1) of the sliding device (6), of the device shell are respectively provided with an article taking-out port (13) and a pushing sliding port (14).
4. The apparatus for producing polylactic acid resin with increased tensile strength according to claim 1, wherein: the bottom fixed connection of fixed block (41) is in the bottom that chamber (11) was placed to the device, the one end fixedly connected with fixed stop (48) of telescopic link (47), the bottom fixed connection of fixed stop (48) is in the bottom that chamber (11) was placed to the device, the upper surface bilateral symmetry fixedly connected with shutoff draw runner (46) of fixed block (41), the bottom setting of triangle sloping block (45) is between shutoff draw runner (46), the one end of plugging rod (43) is pegged graft in the inside of walking liquid pipe (42), the bottom of plugging rod (43) is equipped with chute (44), the both ends of walking liquid pipe (42) are connected with liquid outlet (315), rubbing bucket income liquid mouth (512) respectively.
5. The apparatus for producing polylactic acid resin with increased tensile strength according to claim 1, wherein: the device is characterized in that the front and the back of the bottom of the kneading barrel (51) are fixedly connected with supporting blocks (513), the bottom of each supporting block (513) is fixedly connected to the bottom of the device placing cavity (11), one side of the kneading disc (52) is in screwed connection with a kneading motor fixing frame (524), the inside of the kneading motor fixing frame (524) is fixedly connected with a kneading motor (525), and one end of a rotating shaft of the kneading motor (525) is fixedly connected with a kneading driving gear (521).
6. The apparatus for producing polylactic acid resin with increased tensile strength according to claim 2, wherein: the sliding groove (64) is fixedly connected to the bottom of the device placing cavity (11), and the article taking-out port (13) and the pushing sliding port (14) are arranged on two sides of the sliding groove (64).
7. The apparatus for producing polylactic acid resin with increased tensile strength according to claim 1, wherein: fixed surface is connected with fixed strip (527) on the one end of location strip (526), slip track (63) have been seted up on the inside lateral wall of U type sliding plate (61) bilateral symmetry, the inside at U type sliding plate (61) is placed to the one end of location strip (526), the upper surface of fixed strip (527) is equipped with set screw (528), the lateral wall contact of fixed strip (527) and U type sliding plate (61) is run through to the one end of set screw (528).
CN202011283943.1A 2020-11-17 2020-11-17 Polylactic acid resin production equipment for increasing tensile strength Active CN112643915B (en)

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