CN112476844A - Intelligent rubber powder production and processing device - Google Patents

Intelligent rubber powder production and processing device Download PDF

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Publication number
CN112476844A
CN112476844A CN202011332335.5A CN202011332335A CN112476844A CN 112476844 A CN112476844 A CN 112476844A CN 202011332335 A CN202011332335 A CN 202011332335A CN 112476844 A CN112476844 A CN 112476844A
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CN
China
Prior art keywords
fixedly connected
spring
rubber powder
plate
outside
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
CN202011332335.5A
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Chinese (zh)
Inventor
邓远山
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Wenzhou Chania Trading Co ltd
Original Assignee
Wenzhou Chania Trading Co ltd
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Publication date
Application filed by Wenzhou Chania Trading Co ltd filed Critical Wenzhou Chania Trading Co ltd
Priority to CN202011332335.5A priority Critical patent/CN112476844A/en
Publication of CN112476844A publication Critical patent/CN112476844A/en
Withdrawn legal-status Critical Current

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29BPREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B13/00Conditioning or physical treatment of the material to be shaped
    • B29B13/10Conditioning or physical treatment of the material to be shaped by grinding, e.g. by triturating; by sieving; by filtering
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B07SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07BSEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
    • B07B1/00Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
    • B07B1/28Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting or wobbling screens
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B07SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07BSEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
    • B07B1/00Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
    • B07B1/42Drive mechanisms, regulating or controlling devices, or balancing devices, specially adapted for screens
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B07SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07BSEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
    • B07B1/00Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
    • B07B1/46Constructional details of screens in general; Cleaning or heating of screens
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B07SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07BSEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
    • B07B1/00Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
    • B07B1/46Constructional details of screens in general; Cleaning or heating of screens
    • B07B1/50Cleaning
    • B07B1/54Cleaning with beating devices

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Coating Apparatus (AREA)

Abstract

The invention relates to the technical field of rubber powder production related equipment, and discloses an intelligent rubber powder production processing device which comprises a body, wherein a positive plate is fixedly connected inside the body, a negative plate is fixedly connected inside the body, a first spring is fixedly connected inside the body, a dielectric plate is fixedly connected outside the first spring, and a pressing plate is movably connected outside the body; through the clamp plate, the positive plate, the negative plate, the dielectric plate, spring one, interact between the bee calling organ, can carry out intelligent monitoring and pile up too much time informing the operator at the inside rubber powder of device at the inside accumulation volume of sieving back rubber powder of device, avoided because bin outlet blocks up or the screening speed is faster than row material speed and makes the rubber powder pile up the condition emergence that too much leads to producing the hindrance to the screening process of rubber powder in the device inside, make the production process of rubber powder can normally go on, also be favorable to the production of rubber powder to turn to for intelligent manufacturing by conventional production simultaneously.

Description

Intelligent rubber powder production and processing device
Technical Field
The invention relates to the technical field of rubber powder production related equipment, in particular to an intelligent rubber powder production and processing device.
Background
The rubber powder is a powdery rubber material obtained by crushing and processing waste rubber products, the particle diameter of the rubber powder determines the performance of the rubber material, and the performance is better when the particle diameter is smaller, so the rubber powder generally crushes and grinds rubber blocks cut into small blocks in the production process. Present rubber powder production grinder's inside all can be provided with the sieve, can directly sieve the rubber powder after smashing the grinding through the sieve, but the sieve generally all is fixed mounting, and only let the rubber powder at the slip screening on sieve inclined plane, thereby the screening efficiency that has led to the sieve is lower, the problem that the screening hole blockked up still appears easily simultaneously, furthermore, at the in-process of arranging the material, because some unexpected circumstances lead to the bin outlet to block up or the speed of screening will make the rubber powder pile up in the inside of device when arranging the material speed soon, if the operator can't in time discover to appear that the device is inside to pile up the rubber powder and lead to causing the condition of hindrance to the normal screening of rubber powder.
Therefore, in order to solve the problems, an intelligent glue powder production and processing device is needed.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides an intelligent rubber powder production and processing device which has the advantages of higher rubber powder screening efficiency and capability of timely notifying an operator when a certain amount of rubber powder is accumulated in the device, and solves the problems of lower rubber powder screening efficiency and obstruction on normal rubber powder screening after a discharge port is blocked.
(II) technical scheme
In order to achieve the purposes that the screening efficiency of the rubber powder is high and the operator can be timely informed when the rubber powder is accumulated to a certain amount in the device, the invention provides the following technical scheme: an intelligent glue powder production and processing device comprises a body, wherein a positive plate is fixedly connected inside the body, a negative plate is fixedly connected inside the body, a first spring is fixedly connected inside the body, a dielectric plate is fixedly connected outside the first spring, a pressing plate is movably connected outside the body, a buzzer is fixedly connected inside the body, a shell is fixedly connected inside the body, a rotating shaft is movably connected inside the shell, a first gear is fixedly connected outside the rotating shaft, a rack is meshed outside the first gear, a second spring is fixedly connected outside the rack, a striking rod is movably connected outside the rack, teeth are arranged on the inner surface of the striking rod, a rotating shaft is movably connected inside the rack, a second gear is fixedly connected outside the rotating shaft, a limiting component is movably connected outside the second gear, and a control component is fixedly connected inside the rack, the inside swing joint of body has the sieve, and the bottom fixedly connected with pin of sieve.
Preferably, the specification of the dielectric plate is matched with the positive plate and the negative plate, the bottom of the pressing plate is fixedly connected with a third spring, the third spring is fixedly connected with the body, the bottom of the pressing plate is fixedly connected with a movable block, and the position and the specification of the movable block are matched with the dielectric plate.
Preferably, the quantity of rack is two, and two racks distribute respectively in the inside upper and lower both ends of shell, and the spout has been seted up on the inside fixedly connected with stopper of shell, the surface of rack, and stopper and spout sliding connection can strike the pin in proper order and drive the sieve and swing to can make the screening effect of sieve better.
Preferably, the limiting assembly mainly comprises a limiting wheel, a movable rod, a fixed pipe, an electrorheological body, a spring IV, a power connection post, a spring V and a baffle plate, the limiting wheel is fixedly connected to the outer part of the gear II, the fixed pipe is fixedly connected to the inner part of the rack, the spring IV is fixedly connected to the inner part of the fixed pipe, the baffle plate is fixedly connected to the outer part of the spring IV, the electrorheological body is arranged in the fixed pipe, the main materials of the electrorheological body comprise lime, gypsum, carbon powder and olive oil, under the power-on state, the current variant is in a solid state, under the power-off state, the current variant is in a liquid state, the inside of the fixed tube is fixedly connected with a spring five, the outside of the spring five is fixedly connected with a movable rod, the movable rod is movably connected with the fixed tube, the inside of the fixed tube is fixedly connected with an electric pole, and the electric pole, the spring five, the baffle and the movable rod are movably connected with the current variant.
Preferably, the control assembly mainly comprises shading shell, light trap, photo resistance, lamp area, hits the inside fixedly connected with shading shell of pole, and the inside fixedly connected with photo resistance of shading shell, the light trap has been seted up on the surface of shading shell, and the inside fixedly connected with lamp area of rack, the inside in lamp area are provided with the lamp pearl, and five are no less than to the quantity of lamp pearl, and the position of lamp pearl, specification all with the light trap phase-match, can carry out the ration to the amplitude of oscillation of sieve and adjust.
Preferably, the outside swing joint of sieve has the connecting rod, connecting rod and body swing joint, and the internal surface fixed connection of body has spring six, and spring six and connecting rod fixed connection.
Preferably, the rotating shaft, the dielectric plate, the electric connecting column, the photoresistor, the lamp strip, the external power supply and the driving power supply are all electrically connected with the control center, the rotating shaft and the rotating shaft are all electrically connected with the driving power supply, and the lamp strip and the electric connecting column are all electrically connected with the external power supply.
(III) advantageous effects
Compared with the prior art, the invention provides an intelligent rubber powder production and processing device, which has the following beneficial effects:
1. this intelligent rubber powder production and processing device, through the clamp plate, the positive plate, the negative plate, dielectric plate, spring one, interact between the bee calling organ, can carry out intelligent monitoring and pile up too much time informing the operator at the inside rubber powder of device at the accumulation volume of the inside back rubber powder that sieves of device, avoided because bin outlet blocks up or sieve the speed of arranging material and make the rubber powder pile up the condition emergence that too much leads to producing the hindrance to the screening process of rubber powder in the device inside that row material speed is fast, make the production process of rubber powder can normally go on, also be favorable to the production of rubber powder to turn to for intelligent manufacturing by conventional production simultaneously.
2. This intelligent rubber powder production and processing device, through the pivot, the rack, the pin, gear one, spring two, the interact between the hitting rod, can strike and drive the sieve at the in-process of rubber powder screening and swing, thereby can accelerate the relative motion speed between rubber powder and the sieve, make the efficiency of rubber powder screening improve to some extent, and simultaneously, the striking of hitting rod can also make the sieve vibrate, thereby can greatly reduced rubber powder block up the probability in screening hole, thereby be favorable to going on of rubber powder normal production and processing.
3. This intelligent rubber powder production processingequipment, through the axis of rotation, gear two, the tooth, spacing subassembly, control the interact between the subassembly, can adjust the swing range of sieve according to the needs of reality at the in-process of rubber powder screening, make the screening speed of sieve can satisfy the needs of actual production, the screening speed of having avoided the sieve is slower to make the rubber powder pile up and takes place in the obstructed condition of normal screening that leads to rubber powder on its surface, thereby can guarantee the normal production of rubber powder.
Drawings
FIG. 1 is a schematic view of the present invention in partial cross section;
FIG. 2 is an enlarged view of the structure at A in FIG. 1 according to the present invention;
FIG. 3 is a schematic view of the internal structure of the housing of the present invention;
FIG. 4 is an enlarged view of the structure at B in FIG. 3 according to the present invention.
In the figure: 1. a body; 2. a positive plate; 3. a negative plate; 4. a first spring; 5. a dielectric plate; 6. pressing a plate; 7. a buzzer; 8. a housing; 9. a rotating shaft; 10. a first gear; 11. a rack; 12. a second spring; 13. a striking rod; 14. teeth; 15. a rotating shaft; 16. a second gear; 17. a limiting component; 18. a control component; 19. a sieve plate; 20. a stop lever.
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.
Please refer to fig. 1-4, an intelligent glue powder production and processing device, which comprises a body 1, an internal fixedly connected positive plate 2 of the body 1, an internal fixedly connected negative plate 3 of the body 1, an internal fixedly connected spring one 4 of the body 1, an external fixedly connected dielectric plate 5 of the spring one 4, an external movably connected pressing plate 6 of the body 1, the specification of the dielectric plate 5 is matched with the positive plate 2 and the negative plate 3, a bottom fixedly connected spring three of the pressing plate 6, the spring three is fixedly connected with the body 1, a bottom fixedly connected movable block of the pressing plate 6, and the position and the specification of the movable block are matched with the dielectric plate 5.
The buzzer 7 is fixedly connected to the inside of the body 1, the shell 8 is fixedly connected to the inside of the body 1, the rotating shaft 9 is movably connected to the inside of the shell 8, the first gear 10 is fixedly connected to the outside of the rotating shaft 9, the rack 11 is meshed with the outside of the first gear 10, the second spring 12 is fixedly connected to the outside of the rack 11, the striking rod 13 is movably connected to the outside of the rack 11, teeth 14 are arranged on the inner surface of the striking rod 13, the rotating shaft 15 is movably connected to the inside of the rack 11, the rotating shaft 9, the rotating shaft 15, the dielectric plate 5, the power connection column, the photoresistor, the lamp strip, the external power supply and the driving power supply are electrically connected to the control center, the rotating shaft 9 and the rotating shaft 15 are electrically connected to the driving power supply, the lamp strip and the power connection column are electrically connected to the external power supply, the second gear 16, The movable rod, the fixed tube, the current variant, spring four, connect the electric pole, spring five, the baffle is constituteed, the spacing wheel of the outside fixedly connected with of gear two 16, the inside fixedly connected with fixed tube of rack 11, the inside fixedly connected with spring four of fixed tube, the outside fixedly connected with baffle of spring four, the inside of fixed tube is provided with the current variant, the main material of current variant has lime, gypsum, powdered carbon and olive oil, under the on-state, the current variant presents solid-state, under the outage state, the current variant presents liquid, the inside fixedly connected with spring five of fixed tube, the outside fixedly connected with movable rod of spring five, movable rod and fixed tube swing joint, the inside fixedly connected with of fixed tube connects the electric pole, connect the electric pole, spring five, the baffle, the movable rod all with current variant swing joint.
The inside of the rack 11 is fixedly connected with a control component 18, the control component 18 mainly comprises a shading shell, a light hole, a photosensitive resistor and a lamp strip, the inside of the striking rod 13 is fixedly connected with the shading shell, the inside of the shading shell is fixedly connected with the photosensitive resistor, the surface of the shading shell is provided with the light hole, the inside of the rack 11 is fixedly connected with the lamp strip, the inside of the lamp strip is provided with the lamp beads, the number of the lamp beads is not less than five, the positions and the specifications of the lamp beads are all matched with the light hole, the inside of the body 1 can be quantitatively adjusted according to the swing amplitude of the sieve plate 19 is movably connected with the sieve plate 19, the outside of the sieve plate 19 is movably connected with a connecting rod, the connecting rod is movably connected with the body 1, the inner surface of the body 1 is fixedly connected with a spring six, the spring six is fixedly connected with the connecting rod, the bottom of the, the inside fixedly connected with stopper of shell 8, the spout has been seted up on the surface of rack 11, and stopper and spout sliding connection can strike pin 20 in proper order and drive sieve 19 and swing to can make sieve 19's screening effect better.
The working principle is as follows: in the working process of the device, an operator controls an external power supply to electrify the lamp beads at the corresponding positions through a control center according to the actual required swing amplitude of the sieve plate 19, meanwhile, the driving power supply is controlled to drive the rotating shaft 15 to rotate, the lamp beads are electrified to be lightened, the rotating shaft 15 rotates to drive the gear II 16 to rotate, under the action of the teeth 14, the gear II 16 rotates the striking rod 13 to move, the striking rod 13 moves to drive the photosensitive resistor to move, when the photosensitive resistor moves to a position where the light emitted by the lightened lamp beads can be received, the light intensity received by the photosensitive resistor is increased, the resistance value is reduced, the passing current is increased, the control center controls the driving power supply to stop driving the rotating shaft 15 to rotate, meanwhile, the external power supply is controlled to electrify the electric pole, the electric pole is electrified to enable the current variant to be changed from a liquid state to a solid state, the movement, the striking rod 13 can be stably fixed, then an operator controls the driving power supply to drive the rotating shaft 9 to rotate through the control center, the rotating shaft 9 rotates to drive the first gear 10 to rotate, the first gear 10 rotates to drive the upper rack 11 to move, the upper rack 11 collides with the stop lever 20 in the moving process and drives the stop lever 20 to move, the stop lever 20 moves to drive the sieve plate 19 to move, the sieve plate 19 moves to compress the sixth spring, the second spring 12 is driven to compress in the moving process of the upper rack 11, when the first gear 10 rotates to be separated from the upper rack 11, the first gear 12 moves under the resilience of the upper spring to reset, the sieve plate 19 moves back under the resilience of the sixth spring to reset, at the moment, the first gear 10 rotates to be meshed with the lower rack 11 and drives the lower rack 11 to move to continue to collide with the stop lever 20, so that the sieve plate 19 can swing irregularly, thereby effectively improving the screening efficiency of the rubber powder.
When meetting the bin outlet and blockking up or some other problems and lead to the rubber powder to pile up in the inside of device, the gravity of rubber powder can make 6 downstream of clamp plate, and 6 downstream of clamp plate drive movable block remove, when 6 moves to can drive dielectric plate 5 and remove when the dielectric plate 5, the dielectric plate 5 just increases to area S with positive plate 2, negative plate 3 this moment, and electric capacity C grow, the expression is as follows:
C=εS/4πkd
the electric current changes this moment, and then can make control centre control external power supply for 7 circular telegrams of bee calling organ, and bee calling organ 7 after the circular telegrams sends the suggestion sound to can remind the operator in time, avoid the rubber powder to pile up the condition that too much leads to producing the hindrance to the normal production processing of rubber powder.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (7)

1. The utility model provides an intelligent rubber powder production processingequipment, includes body (1), its characterized in that: the novel electric heating cooker is characterized in that a positive plate (2) is fixedly connected to the inside of the body (1), a negative plate (3) is fixedly connected to the inside of the body (1), a first spring (4) is fixedly connected to the inside of the body (1), a dielectric plate (5) is fixedly connected to the outside of the first spring (4), a pressing plate (6) is movably connected to the outside of the body (1), a buzzer (7) is fixedly connected to the inside of the body (1), a shell (8) is fixedly connected to the inside of the body (1), a rotating shaft (9) is movably connected to the inside of the shell (8), a first gear (10) is fixedly connected to the outside of the rotating shaft (9), a rack (11) is meshed to the outside of the first gear (10), a second spring (12) is fixedly connected to the outside of the rack (11), a striking rod (13) is movably connected to the outside of the rack (11), teeth (14) are, the outside fixedly connected with gear two (16) of axis of rotation (15), the outside swing joint of gear two (16) has spacing subassembly (17), the inside fixedly connected with control assembly (18) of rack (11), the inside swing joint of body (1) has sieve (19), the bottom fixedly connected with pin (20) of sieve (19).
2. The intelligent rubber powder production and processing device of claim 1, wherein: the specification of dielectric medium board (5) and positive plate (2), negative plate (3) phase-match, the bottom fixedly connected with spring three of clamp plate (6), spring three and body (1) fixed connection, the bottom fixedly connected with movable block of clamp plate (6), the position, the specification of movable block all with dielectric medium board (5) phase-match.
3. The intelligent rubber powder production and processing device of claim 1, wherein: the quantity of rack (11) is two, and two rack (11) distribute respectively at the inside upper and lower both ends of shell (8), and the spout has been seted up on the inside fixedly connected with stopper of shell (8), the surface of rack (11), stopper and spout sliding connection.
4. The intelligent rubber powder production and processing device of claim 1, wherein: spacing subassembly (17) are mainly by spacing wheel, the movable rod, the fixed pipe, the current variant, spring four, connect the electric pole, spring five, the baffle is constituteed, the spacing wheel of outside fixedly connected with of gear two (16), the fixed pipe of inside fixedly connected with of rack (11), the inside fixedly connected with spring four of fixed pipe, the outside fixedly connected with baffle of spring four, the inside of fixed pipe is provided with the current variant, the inside fixedly connected with spring five of fixed pipe, the outside fixedly connected with movable rod of spring five, movable rod and fixed pipe swing joint, the inside fixedly connected with of fixed pipe connects the electric pole, connect the electric pole, spring five, the baffle, the movable rod all with current variant swing joint.
5. The intelligent rubber powder production and processing device of claim 1, wherein: control assembly (18) mainly comprise shading shell, light trap, photo resistance, lamp area, hit the inside fixedly connected with shading shell of pole (13), the inside fixedly connected with photo resistance of shading shell, the light trap has been seted up on the surface of shading shell, the inside fixedly connected with lamp area of rack (11), the inside in lamp area is provided with the lamp pearl, five are no less than to the quantity of lamp pearl, the position of lamp pearl, specification all with the light trap phase-match.
6. The intelligent rubber powder production and processing device of claim 1, wherein: the outer portion of the sieve plate (19) is movably connected with a connecting rod, the connecting rod is movably connected with the body (1), the inner surface of the body (1) is fixedly connected with a spring six, and the spring six is fixedly connected with the connecting rod.
7. The intelligent rubber powder production and processing device of claim 1, wherein: the rotating shaft (9), the rotating shaft (15), the dielectric plate (5), the electric connecting column, the photosensitive resistor, the lamp strip, the external power supply and the driving power supply are all electrically connected with the control center, the rotating shaft (9) and the rotating shaft (15) are all electrically connected with the driving power supply, and the lamp strip and the electric connecting column are all electrically connected with the external power supply.
CN202011332335.5A 2020-11-23 2020-11-23 Intelligent rubber powder production and processing device Withdrawn CN112476844A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202011332335.5A CN112476844A (en) 2020-11-23 2020-11-23 Intelligent rubber powder production and processing device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202011332335.5A CN112476844A (en) 2020-11-23 2020-11-23 Intelligent rubber powder production and processing device

Publications (1)

Publication Number Publication Date
CN112476844A true CN112476844A (en) 2021-03-12

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ID=74933963

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202011332335.5A Withdrawn CN112476844A (en) 2020-11-23 2020-11-23 Intelligent rubber powder production and processing device

Country Status (1)

Country Link
CN (1) CN112476844A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113198347A (en) * 2021-05-06 2021-08-03 叶凯霖 Preparation method of degradable straw raw material PLA polylactic acid

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113198347A (en) * 2021-05-06 2021-08-03 叶凯霖 Preparation method of degradable straw raw material PLA polylactic acid

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Application publication date: 20210312