CN111660457A - Plastics master batch cooling screening system - Google Patents
Plastics master batch cooling screening system Download PDFInfo
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- CN111660457A CN111660457A CN202010531324.3A CN202010531324A CN111660457A CN 111660457 A CN111660457 A CN 111660457A CN 202010531324 A CN202010531324 A CN 202010531324A CN 111660457 A CN111660457 A CN 111660457A
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- screening
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- 239000004033 plastic Substances 0.000 title claims abstract description 63
- 229920003023 plastic Polymers 0.000 title claims abstract description 63
- 238000001816 cooling Methods 0.000 title claims abstract description 59
- 238000012216 screening Methods 0.000 title claims abstract description 55
- 239000004594 Masterbatch (MB) Substances 0.000 title claims abstract description 33
- 239000000463 material Substances 0.000 claims abstract description 59
- 238000005070 sampling Methods 0.000 claims abstract description 29
- 230000007246 mechanism Effects 0.000 claims description 48
- 239000000428 dust Substances 0.000 claims description 27
- 230000005540 biological transmission Effects 0.000 claims description 21
- 238000007599 discharging Methods 0.000 claims description 11
- 244000309464 bull Species 0.000 claims description 8
- 230000002093 peripheral effect Effects 0.000 claims description 8
- 238000003860 storage Methods 0.000 claims description 7
- 230000000694 effects Effects 0.000 claims description 5
- 239000002184 metal Substances 0.000 claims description 4
- 230000007306 turnover Effects 0.000 claims description 4
- 230000001681 protective effect Effects 0.000 claims description 3
- 238000009827 uniform distribution Methods 0.000 claims description 2
- 230000008878 coupling Effects 0.000 abstract 3
- 238000010168 coupling process Methods 0.000 abstract 3
- 238000005859 coupling reaction Methods 0.000 abstract 3
- 238000000034 method Methods 0.000 description 13
- 239000002245 particle Substances 0.000 description 10
- 230000008569 process Effects 0.000 description 9
- 230000000903 blocking effect Effects 0.000 description 8
- 238000007789 sealing Methods 0.000 description 8
- 230000033001 locomotion Effects 0.000 description 5
- 230000002441 reversible effect Effects 0.000 description 5
- 238000012545 processing Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 238000001514 detection method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000003912 environmental pollution Methods 0.000 description 3
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 2
- 235000017491 Bambusa tulda Nutrition 0.000 description 2
- 241001330002 Bambuseae Species 0.000 description 2
- 241000196324 Embryophyta Species 0.000 description 2
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 2
- 239000011425 bamboo Substances 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000002829 reductive effect Effects 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 238000007873 sieving Methods 0.000 description 2
- 208000002430 Multiple chemical sensitivity Diseases 0.000 description 1
- 239000006057 Non-nutritive feed additive Substances 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000002270 dispersing agent Substances 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000005469 granulation Methods 0.000 description 1
- 230000003179 granulation Effects 0.000 description 1
- 239000011256 inorganic filler Substances 0.000 description 1
- 229910003475 inorganic filler Inorganic materials 0.000 description 1
- 230000000670 limiting effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
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Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B13/00—Conditioning or physical treatment of the material to be shaped
- B29B13/10—Conditioning or physical treatment of the material to be shaped by grinding, e.g. by triturating; by sieving; by filtering
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B15/00—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area
- B08B15/04—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area from a small area, e.g. a tool
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B13/00—Conditioning or physical treatment of the material to be shaped
- B29B13/04—Conditioning or physical treatment of the material to be shaped by cooling
- B29B13/045—Conditioning or physical treatment of the material to be shaped by cooling of powders or pellets
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention discloses a plastic master batch cooling and screening system, which comprises a cooling device and a screening device, wherein high-temperature plastic master batches extruded and molded by a single-screw extruder are put into the cooling device for cooling and then are sent into the screening device by a material conveying pipe for screening; the top rigid coupling of cooling shell has the sample motor, and the output shaft of sample motor passes through L type pole and electric telescopic handle's casing rigid coupling, and electric telescopic handle's output shaft front end has the screw thread post of evagination, and during the screw hole that the intermediate lever was seted up was gone into soon to the screw thread post, and the bottom of screw thread post was inlayed inherent pressure sensor, the bottom and the upper end open-ended sampling tube diapire rigid coupling of intermediate lever.
Description
Technical Field
The invention relates to the field of plastic preparation, in particular to a plastic master batch cooling and screening system.
Background
The master batch (named Masterbatches) is a plastic processing aid standing for the development of the 80 th years in the 20 th century and consists of excessive chemical aids, carrier resin, dispersant and the like. In the processing and forming process, the inorganic filler and the resin are firstly put into an internal mixer for internal mixing, discharged and put into a single-screw extruder for granulation after the process requirements are met, and finally cooled and screened.
The existing plastic master batch cooling device mostly does not have an automatic sampling structure, the sampling basically depends on an operator to open an access door for manual sampling, the labor intensity of workers is increased, and the performance detection, especially the detection in the hardness aspect, can not be carried out on master batch samples in time, and the hardness is an important index for detecting the master batch cooling condition. Meanwhile, the existing master batch screening device is low in screening efficiency and material reutilization rate, so that part of material production raw materials cannot be effectively utilized. The screening device part of the invention, the applicant of which filed an invention patent application separately on the same day for protection, is mainly directed to the protection of the integral cooling screening system.
Disclosure of Invention
In order to overcome the above defects in the prior art, the invention provides the following technical scheme:
a plastic master batch cooling and screening system comprises a cooling device and a screening device, wherein high-temperature plastic master batches extruded and molded by a single-screw extruder are fed into the cooling device for cooling and then are fed into the screening device by a material conveying pipe for screening, the cooling device comprises a cooling shell, the center of the upper end of the cooling shell is communicated with a material inlet and a cold air inlet pipe, the material inlet and the cold air inlet pipe are respectively provided with a material inlet valve and a cold air inlet valve, the lower end of the cooling shell is provided with a material discharging pipe communicated with the material conveying pipe, and the material discharging pipe is provided with a material discharging valve; the top end of the cooling shell is fixedly connected with a sampling motor, an output shaft of the sampling motor is fixedly connected with a shell of the electric telescopic rod through an L-shaped rod, the front end of the output shaft of the electric telescopic rod is provided with an outward-protruding threaded column, the threaded column is screwed into a threaded hole formed in the middle rod, a pressure sensor is embedded in the bottom end of the threaded column, and the bottom end of the middle rod is fixedly connected with the bottom wall of a sampling cylinder with an opening at the upper end; and a control display is fixedly connected to the outer part of the shell of the electric telescopic rod and is communicated with the pressure sensor and used for controlling the actions of the sampling motor and the electric telescopic rod.
In a preferred embodiment, the discharge pipe is communicated with an air outlet pipe, and an air outlet valve and a material blocking metal net are arranged on the air outlet pipe; the left end of cooling shell is connected with the material and is placed the platform admittedly.
In a preferred embodiment, the screening device comprises a shell, a feed hopper is communicated with the center of the top of the shell, a scattering mechanism is arranged at the top of an inner cavity of the shell corresponding to the feed hopper, and a screening mechanism is arranged at the bottom of the scattering mechanism;
the scattering mechanism comprises a driving motor which is fixedly arranged on the outer wall of the shell, the end part of an output shaft of the driving motor penetrates through the shell at the corresponding position, a rotating shaft is fixedly connected, a plurality of groups of first supporting rods are uniformly distributed on the outer peripheral surface of the rotating shaft, a plurality of first fixing columns are symmetrically arranged on two sides of each first supporting rod, a first arc plate and a second arc plate are respectively arranged on two sides of the bottom end of the feeding hopper, and a plurality of second supporting rods which are uniformly distributed are fixedly arranged on the inner side walls of the first arc plate and the second arc plate, a plurality of second fixing columns which are uniformly distributed are symmetrically arranged on two sides of the second supporting rod, the surfaces of the second fixing columns positioned on the inner sides of the second arc plates are coated with bristles, two fixing rings are respectively arranged on the outer side walls of the first arc plate and the second arc plate, a cross rod is fixedly sleeved in the fixed ring, and two ends of the cross rod are fixedly connected with the inner wall of the shell at corresponding positions;
screening mechanism is including the first filter plate and the second filter plate that top-down set up, the equal fixed mounting of first filter plate and second filter plate is on the casing inside wall, second filter plate bottom is provided with the gas transmission frame of fixed mounting on the casing inside wall, gas transmission frame bottom is provided with collects the box, the position punishment that the casing outside corresponds first filter plate and gas transmission frame do not is equipped with vibrating motor and air pump, and vibrating motor fixed mounting on the casing outer wall, first filter plate is the cavity setting, vibrating motor's output shaft tip runs through the casing that corresponds the position to fixedly connected with passes the frame that shakes, the inside of arranging first filter plate in is erect to the transmission shakes, the end of giving vent to anger of air pump runs through the casing that corresponds the position to be linked together with the gas transmission frame.
The implementation mode is as follows: during the use, the plastic master batch that will wait to screen is carried to the casing inside through the feeder hopper through the inlet pipe, and be linked together this screening plant with external power supply, after the plastic master batch enters into the casing inside, can utilize and break up the mechanism and carry out breakage or break up the processing to the plastic master batch that the particle size is greater than standard particle size or adhesion is reunited, then fall into on first filter plate, and utilize the exciting force that vibrating motor produced to shake the plastic master batch that falls onto first filter plate, make and take place relative collision between the particle and raise the dust, and make the plastic master batch that reaches/is less than standard particle size pass through first filter plate and carry out processing on next step, then cooperate gaseous reverse impulsive force and the suction of air discharge fan to discharge the light piece/dust that raises, the quality of plastic master batch after not only having improved the screening, can also reduce environmental pollution, improve screening efficiency.
In a preferred embodiment, a plurality of the first supporting rods and the second supporting rods and the first fixing columns and the second fixing columns are alternately arranged, and the plastic master batches with the grain size larger than the standard grain size or adhered into a mass can be crushed or scattered by the aid of the force of opposite movement between the first supporting rods and the second supporting rods.
In a preferred embodiment, the central angle corresponding to the first arc plate is equal to the included angle formed between two adjacent first supporting rods, and the arc length of the second arc plate is twice the arc length of the first arc plate, so that the materials can be prevented from being accumulated on the inner side of the second arc plate, and the condition that the bristles on the surface of the second fixed column clean the first fixed column is affected.
In a preferred embodiment, the gas transmission frame comprises a plurality of hollow circular rings concentrically arranged, two adjacent hollow circular rings are communicated through a communication pipe, the top end surface of each hollow circular ring is provided with a plurality of vertical pipes which are communicated with the hollow circular rings and uniformly distributed in an annular manner, so that the uniform distribution of the reverse impact force of gas is ensured, and the top ends of the vertical pipes are fixedly provided with a protective cover which can prevent plastic master batches falling down due to the reverse impact force of gas from being overcome from blocking the vertical pipes, thereby influencing the normal conveying of the gas.
In a preferred embodiment, a baffle is embedded at a position corresponding to the first filter plate and the second filter plate on one side of the shell, a push plate is embedded at the other side of the shell, a turnover mechanism is arranged at the top end of the baffle, a guide plate with an inclined arrangement is arranged at the bottom of the baffle, the baffle is movably connected with the shell through the turnover mechanism, the top end of the guide plate is fixedly connected with the outer wall of the shell, a mounting frame is fixedly arranged at one side of the shell away from the guide plate, an air pump is fixedly arranged on the inner bottom end surface of the mounting frame, hydraulic cylinders are fixedly arranged at positions corresponding to the two push plates on the inner side wall of the mounting frame, piston rods at the output ends of the hydraulic cylinders are fixedly connected with the push plates, ejector rods are fixedly arranged at the top ends of the inner sides of the two push plates, when more, the baffle plate can be pushed open by the ejector rod, and then the pushed materials are classified and collected by the guide plate.
In a preferred embodiment, tilting mechanism is including the fixed plate that two symmetries set up, the fixed plate is connected with the outer wall of the casing fixed connection who corresponds the position, two through the bearing rotation between the fixed plate, baffle top both ends all are provided with fixed ear, fixed ear is fixed to be cup jointed at the bull stick outside, a plurality of torsional springs have been cup jointed in the outside activity of bull stick, and the both ends of torsional spring respectively with outer wall of the casing and baffle top end face butt, can make the baffle can arrange material automatic re-setting after the material by the back-up, the baffle is equipped with the fixed block towards one side of casing is fixed, and the terminal surface of fixed block sets up to the arc surface, ensures that the baffle can normally overturn.
In a preferred embodiment, a connecting column is fixedly arranged on the top end face of the inner side of the mounting rack, a shielding mechanism is arranged at the bottom of the connecting column, the shielding mechanism comprises a storage barrel, the bottom end of the connecting column is fixedly connected with the outer wall of the storage barrel, an outer barrel, a plurality of middle barrels and an inner barrel are arranged in the storage barrel, the outer barrel, the middle barrels and the inner barrel are sequentially and movably sleeved, a stopper is fixedly arranged at one end of a shell, the outer peripheral surface of the inner barrel is close to the shell, one end of the inner peripheral surface of the middle barrel, which is far away from the shell, and one end of the outer peripheral surface of the middle barrel, which is close to the shell, are fixedly connected with the inner cavity end face of the storage barrel, one end of the outer barrel, which is close to the shell, is fixedly connected with the outer wall of the top, the hydraulic cylinder can be used for driving the shielding mechanism to extend to block falling materials, and the non-stop work of the screening device is realized.
In a preferred embodiment, the casing is kept away from one side top fixed the inlaying of mounting bracket and is equipped with the air discharge fan, air discharge fan one end is connected with the dust exhaust pipe, and the one end that the air discharge fan was kept away from to the dust exhaust pipe is connected with the dust remover, and usable air discharge fan is with the light piece/dust suction of loss to carry to the dust remover inside through the dust exhaust pipe and collect the processing, the feeder hopper top can be dismantled and be connected with the lid, and lid top intercommunication is equipped with the conveying pipeline, can avoid the light dust/piece loss of loss to the external environment in.
In a preferred embodiment, the surface of the collecting box is provided with an end away from the driving motor and fixedly provided with a sealing plate, and the side walls of the housing on the corresponding side of the sealing plate and the sealing plate are made of transparent acrylic materials, so that the situation of material accumulation in one or more positions can be observed through the sealing plate on the front side of the collecting box and the housing on the corresponding side of the sealing plate.
The invention has the technical effects and advantages that:
1. the cooling device with the rapid sampling function is designed, rapid online sampling can be performed under the condition that the access door is not opened, and hardness detection of the sample is performed online, so that the working efficiency of the whole system is greatly improved, and the working intensity of workers is reduced;
2. the scattering mechanism is used for crushing or scattering plastic master batches with the grain size larger than the standard grain size or adhered into a lump, then the plastic master batches fall onto the first filter plate, the vibration force generated by the vibration motor is used for vibrating the plastic master batches falling onto the first filter plate, so that the particles are collided relatively to raise dust, and then the raised light chips/dust are discharged by matching with the reverse impact force of gas and the suction force of the exhaust fan, therefore, the quality of the screened plastic master batches is improved, the environmental pollution can be reduced, the screening efficiency is improved, the collected unqualified materials are produced and reused, and the practicability is high;
3. sheltering from the mechanism through the setting, when the material of one of them or a plurality of positions forms when piling up, can start two pneumatic cylinder simultaneous working, move to the direction of baffle with the drive push pedal, utilize the push pedal to outwards push away the material of piling up on removing the in-process with first filter plate and second filter plate, and drive the urceolus motion, and then drive the motion of middle section of thick bamboo, make the inside urceolus that is the shrink state of containing cylinder, middle section of thick bamboo and inner tube expand in proper order, carry out temporary blocking to the material that falls down in the mechanism of scattering certainly, the realization need not to shut down and clears up the effect.
Drawings
FIG. 1 is a block diagram of the present invention;
FIG. 2 is a cross-sectional view of a cooling device;
FIG. 3 is an isometric view of the relevant components of the sampling motor;
FIG. 4 is an isometric view of the components associated with the withdrawal chimney;
FIG. 5 is a bottom perspective view of the threaded post;
figure 6 is a schematic diagram of the overall construction of the screening device.
Figure 7 is an overall side view of the screening device.
Fig. 8 is an enlarged view of a portion a of fig. 6 according to the present invention.
Fig. 9 is an enlarged view of portion B of fig. 7 according to the present invention.
FIG. 10 is a partial structural view of the scattering mechanism of the present invention.
Fig. 11 is a top view of the gas delivery frame of the present invention.
Fig. 12 is a cross-sectional top view of a first filter plate of the present invention.
Fig. 13 is an assembly structure view of the baffle and the fixing block of the present invention.
FIG. 14 is a schematic structural diagram of a shielding mechanism according to the present invention.
Fig. 15 is a side cross-sectional view of the receiver of the present invention.
The reference signs are: 100 cooling device, 200 screening device, 300 single screw extruder, 101 cooling shell, 102 feeding port, 103 cold air inlet pipe, 104 feeding valve, 105 cold air inlet valve, 106 discharging pipe, 107 discharging valve, 108 sampling motor, 109L-shaped rod, 110 electric telescopic rod, 111 threaded column, 112 intermediate rod, 113 threaded hole, 114 pressure sensor, 115 sampling cylinder, 116 control display, 117 air outlet pipe, 118 air outlet valve, 119 material blocking metal net, 120 material placing table, 1 shell, 2 feeding hopper, 3 scattering mechanism, 301 rotating shaft, 302 first support rod, 303 first fixed column, 304 driving motor, 4 first arc plate, 5 second support rod, 6 second fixed column, 7 brush hair, 8 second arc plate, 9 fixing ring, 10 cross rod, 11 cover, 12 feeding pipe, 13 exhaust fan, 14 dust exhaust pipe, 15 push plate, 16 baffle plate, 17 guide plate, 18 push rod, 19 mounting rack, 20 hydraulic cylinder, 21 vibration motor, 22 air pump, 23 air transmission frame, 24 shield, 25 first filter plate, 26 second filter plate, 27 sealing plate, 28 collection box, 29 fixed block, 30 fixed plate, 31 fixed lug, 32 vibration transmission frame, 33 connecting column, 34 shielding mechanism, 341 containing cylinder, 342 outer cylinder, 343 middle cylinder, 344 inner cylinder, 345 stopper, 35 rotating rod and 36 torsion spring.
Detailed Description
Example embodiments will now be described more fully with reference to the accompanying drawings. Example embodiments may, however, be embodied in many different forms and should not be construed as limited to the examples set forth herein; rather, these example embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of example embodiments to those skilled in the art. The drawings are merely schematic illustrations of the present disclosure and are not necessarily drawn to scale. The same reference numerals in the drawings denote the same or similar parts, and thus their repetitive description will be omitted.
Furthermore, the described features, structures, or characteristics may be combined in any suitable manner in one or more example embodiments. In the following description, numerous specific details are provided to give a thorough understanding of example embodiments of the disclosure. One skilled in the relevant art will recognize, however, that the subject matter of the present disclosure can be practiced without one or more of the specific details, or with other methods, components, steps, and so forth. In other instances, well-known structures, methods, implementations, or operations are not shown or described in detail to avoid obscuring aspects of the disclosure.
Referring to fig. 1-5, a plastic master batch cooling and screening system comprises a cooling device 100 and a screening device 200, wherein high-temperature plastic master batches extruded and molded by a single-screw extruder 300 are fed into the cooling device 100 for cooling, and then are fed into the screening device 200 through a material conveying pipe 12 for screening, the cooling device 100 comprises a cooling shell 101, the center of the upper end of the cooling shell 101 is communicated with a material inlet 102 and a cold air inlet pipe 103, the material inlet 102 and the cold air inlet pipe 103 are respectively provided with a material inlet valve 104 and a cold air inlet valve 105, the lower end of the cooling shell 101 is provided with a material discharging pipe 106 communicated with the material conveying pipe 12, and the material discharging pipe 106 is provided with a material discharging valve 107. The arrangement layer of the cooling device 100 is higher than the sieving device 200 so that the cooling device 100 can discharge the plastic mother particles to the sieving device 200 by its own weight.
The top end of the cooling shell 101 is fixedly connected with a sampling motor 108, an output shaft of the sampling motor 108 is fixedly connected with a shell of an electric telescopic rod 110 through an L-shaped rod 109, the front end of the output shaft of the electric telescopic rod 110 is provided with a convex threaded column 111, the threaded column 111 is screwed into a threaded hole 113 formed in a middle rod 112, a pressure sensor 114 is embedded in the bottom end of the threaded column 111, and the bottom end of the middle rod 112 is fixedly connected with the bottom wall of a sampling cylinder 115 with an opening at the upper end; a control display 116 is fixedly connected to the outside of the housing of the electric telescopic rod 110, and the control display 116 communicates with the pressure sensor 114 and controls the actions of the sampling motor 108 and the electric telescopic rod 110.
An air outlet pipe 117 is communicated with the material discharge pipe 106, and an air outlet valve 118 and a material blocking metal net 119 are arranged on the air outlet pipe 117; the left end of the cooling shell 101 is fixedly connected with a material placing table 120.
The working principle of the cooling device part is as follows: cold air enters from the cold air inlet pipe 103 to cool the plastic master batches in the cooling shell 101, and ventilation air is discharged from the air outlet pipe 117. When sampling is needed, the feeding valve 104 is opened, then the sampling motor 108 is started to rotate the sampling cylinder 115 to the position right above the feeding port 102, then the electric telescopic rod 110 is started, the sampling cylinder 115 is inserted into the cooling shell 101 and is inserted into the plastic master batch, the sampling cylinder 115 filled with the master batch sample is pulled up, the sampling motor 108 is started, the sampling cylinder 115 is rotated to the position above the material placing table 120, a worker unscrews the middle rod 112 and pours the material of the sampling cylinder 115 onto the material placing table 120, the electric telescopic rod 110 is started, the bottom end of the threaded column 111 is pressed against the plastic master batch, and the hardness value can be converted by using the pressure value fed back by the pressure sensor 114 and the displacement value of the output rod of the displacement sensor (not shown in the figure) built in the output rod of the electric telescopic rod 110 (the specific conversion formula belongs to the prior art, and is not described in detail in this embodiment), and is displayed on the control display 116.
Referring to fig. 6-15, the screening plant includes casing 1, casing 1 top central point puts the intercommunication and is equipped with feeder hopper 2, casing 1 inner chamber top is provided with breaks up mechanism 3 corresponding to the position department of feeder hopper 2, the bottom of breaking up mechanism 3 is provided with screening mechanism.
The scattering mechanism 3 comprises a driving motor 304, the driving motor 304 is fixedly installed on the outer wall of the casing 1, the end part of the output shaft of the driving motor 304 penetrates through the casing 1 at the corresponding position and is fixedly connected with a rotating shaft 301, a plurality of groups of first supporting rods 302 are uniformly distributed on the outer circumferential surface of the rotating shaft 301, a plurality of first fixing columns 303 which are uniformly distributed are symmetrically arranged on two sides of the first supporting rods 302, a first arc plate 4 and a second arc plate 8 are respectively arranged on two sides of the bottom end of the feeding hopper 2, a plurality of second supporting rods 5 which are uniformly distributed are fixedly arranged on the inner side walls of the first arc plate 4 and the second arc plate 8, a plurality of second fixing columns 6 which are uniformly distributed are symmetrically arranged on two sides of the second supporting rods 5, the surface of the second fixing column 6 which is positioned on the inner side of the second arc plate 8 is coated with brush hair 7, and two fixing rings 9 are respectively arranged on the, a cross rod 10 is fixedly sleeved in the fixing ring 9, and two ends of the cross rod 10 are fixedly connected with the inner wall of the shell 1 at corresponding positions;
screening mechanism is including the first filter plate 25 and the second filter plate 26 that top-down set up, the equal fixed mounting of first filter plate 25 and second filter plate 26 is on 1 inside wall of casing, second filter plate 26 bottom is provided with gas transmission frame 23 of fixed mounting on 1 inside wall of casing, gas transmission frame 23 bottom is provided with collects the box 28, the position department that the casing 1 outside corresponds first filter plate 25 and gas transmission frame 23 is equipped with vibrating motor 21 and air pump 22 respectively, and vibrating motor 21 fixed mounting is on 1 outer wall of casing, first filter plate 25 is the cavity setting, vibrating motor 21's output shaft tip runs through the casing 1 that corresponds the position to fixedly connected with shakes frame 32, it sets up in the inside of first filter plate 25 to transmit the frame 32, the end of giving vent to anger of air pump 22 runs through the casing 1 that corresponds the position to be linked together with gas transmission frame 23.
The first supporting rods 302 and the second supporting rods 5, and the first fixing columns 303 and the second fixing columns 6 are alternately arranged.
The central angle that first arc board 4 corresponds equals the contained angle that forms between two adjacent first branches 302, the arc length of second arc board 8 is the twice of first arc board 4 arc length.
The gas transmission frame 23 comprises a plurality of hollow circular rings which are concentrically arranged, every two adjacent hollow circular rings are communicated through a communicating pipe, a plurality of vertical pipes communicated with the hollow circular rings are uniformly distributed on the top end surface of each hollow circular ring in an annular mode, and a protective cover 24 is fixedly arranged at the top end of each vertical pipe.
Casing 1 keeps away from one side top fixed the inlaying of mounting bracket 19 and is equipped with air discharge fan 13, air discharge fan 13 one end is connected with dust exhaust pipe 14, and the one end that air discharge fan 13 was kept away from to dust exhaust pipe 14 is connected with the dust remover, 2 tops of feeder hopper can be dismantled and be connected with lid 11, and 11 top intercommunications of lid are equipped with conveying pipeline 12.
As shown in fig. 6 to 15, the embodiment is specifically as follows: in the practical use process, the plastic master batches to be screened are conveyed to the interior of the shell 1 through the feed hopper 2 through the feed pipe 12, the screening device is communicated with an external power supply, after entering the interior of the shell 1, the plastic master batches fall into a cavity formed between two adjacent groups of first supporting rods 302 on the scattering mechanism 3, wherein the plastic master batches with standard grain sizes and smaller than the standard grain sizes fall onto the first filter plate 25 through a gap on the scattering mechanism 3, the plastic master batches with grain sizes larger than the standard grain sizes or adhered into a mass can not fall in the gap on the scattering mechanism 3, and are driven by the driving motor 304 to rotate along with the rotation direction of the rotating shaft 301, when the plastic master batches move to the second supporting rods 5 on the inner side of the first arc plate 4, the plastic master batches with grain sizes larger than the standard grain sizes or adhered into a mass are crushed or scattered by utilizing the force of the opposite movement between the first supporting rods 302 and the second supporting rods 5, then the plastic master batches fall onto the first filter plate 25, when the first support rod 302 after unloading moves to the position of the second support rod 5 at the inner side of the second arc plate 8, the bristles 7 on the surface of the second fixing column 6 are used for cleaning the first fixing column 303 so as to remove plastic master batch residues adhered to the surface, the plastic master batches falling onto the first filter plate 25 are vibrated by the exciting force generated by the vibration transmission frame 32 under the action of the vibration motor 21, so that the plastic master batches falling onto the first filter plate 25 collide with each other, the plastic master batches reaching the standard grain size and being smaller than the standard grain size fall onto the second filter plate 26 through the first filter plate 25 in the collision process, and are retained on the first filter plate 25 when the plastic master batches do not reach the standard grain size, and the air pump 22 continuously blows air into the air transmission frame 23 in the vibration process of the first filter plate 25 and then blows the air out through a vertical pipe, the light chips/dust adhered to the surfaces of the plastic master batches falling from the first filter plate 25 and the light chips/dust generated in the vibration process are blown upwards by utilizing the recoil force of gas, then the dissipated light chips/dust are sucked out by the exhaust fan 13 and conveyed to the interior of the dust remover through the dust exhaust pipe 14 for collection and treatment, the plastic master batches with standard particle sizes fall on the top of the second filter plate 26 after overcoming the gas recoil force, the plastic master batches with smaller than the standard particle sizes fall into the collection box 28 through the second filter plate 26 after overcoming the gas recoil force, and are recycled, produced and reused together with the plastic master batches with the standard particle sizes and the light dust/dust after being screened.
The position that casing 1 one side corresponds first filter plate 25 and second filter plate 26 all inlays and is equipped with baffle 16 and the opposite side all inlays and is equipped with push pedal 15, baffle 16 top is provided with tilting mechanism and the bottom is provided with the stock guide 17 that the slope set up, baffle 16 passes through tilting mechanism and 1 swing joint of casing, stock guide 17 top and 1 outer wall fixed connection of casing, casing 1 keeps away from one side of stock guide 17 and fixes and is equipped with mounting bracket 19, air pump 22 fixed mounting is on the inboard bottom face of mounting bracket 19, the position department that corresponds two push pedals 15 on the mounting bracket 19 inside wall all fixes and is equipped with pneumatic cylinder 20, the piston rod and the push pedal 15 fixed connection of pneumatic cylinder 20 output, and two the inboard top of push pedal 15 is all fixed and is equipped with ejector pin 18.
Tilting mechanism is including the fixed plate 30 that two symmetries set up, fixed plate 30 and the 1 outer wall fixed connection of casing that corresponds the position, two rotate through the bearing between the fixed plate 30 and be connected with bull stick 35, 16 top both ends of baffle all are provided with fixed ear 31, fixed the cup jointing of fixed ear 31 is outside at bull stick 35, a plurality of torsional springs 36 have been cup jointed in the outside activity of bull stick 35, and torsional spring 36's both ends respectively with the 16 top end face butts of casing 1 outer wall and baffle, baffle 16 is fixed to be equipped with fixed block 29 towards one side of casing 1, and the terminal surface of fixed block 29 sets up to the arc surface.
A connecting column 33 is fixedly arranged on the top end face of the inner side of the mounting frame 19, a shielding mechanism 34 is arranged at the bottom of the connecting column 33, the shielding mechanism 34 comprises a receiving cylinder 341, the bottom end of the connecting column 33 is fixedly connected with the outer wall of the receiving cylinder 341, an outer cylinder 342, a plurality of middle cylinders 343 and an inner cylinder 344 are arranged in the receiving cylinder 341, the outer cylinder 342, the middle cylinders 343 and the inner cylinder 344 are sequentially and movably sleeved, a stopper 345 is fixedly arranged at one end of the inner circumferential surface of the outer cylinder 342, which is close to the housing 1, at one end of the outer circumferential surface of the inner cylinder 344, which is far away from the housing 1, at one end of the outer circumferential surface of the middle cylinders 343, which is close to the housing 1, and at one end of the outer circumferential surface of the middle cylinders 343, which is close to the housing 1, which is close to the, the top end surfaces of the outer cylinder 342, the middle cylinder 343 and the inner cylinder 344 are all provided with arc surfaces.
Collect the fixed shrouding 27 that is equipped with of one end that the driving motor 304 was kept away from in box 28 surface setting, the casing 1 lateral wall that shrouding 27 and shrouding 27 correspond the side is transparent ya keli material component.
As shown in fig. 6 to 15, the embodiment is specifically as follows: in the actual use process, when a worker observes that materials at one or more positions are stacked through the sealing plate 27 on the front side of the collecting box 28 and the shell 1 on the side corresponding to the sealing plate 27, the two hydraulic cylinders 20 can be started to work simultaneously to drive the push plate 15 to move towards the baffle plate 16, the push plate 15 is used to push the materials stacked on the first filter plate 25 and the second filter plate 26 outwards in the moving process, when the materials are more, the baffle plate 16 can be pushed open by the extrusion force of the materials on the baffle plate 16, when the materials are less, the baffle plate 16 can be pushed open by the ejector rod 18, then the pushed materials are classified and collected by the guide plate 17, in the pushing process of the push plate 15 above the first filter plate 25, the movement of the push plate 15 can drive the outer cylinder to move, and further drive the middle cylinder 343, so that the inner part of the receiving cylinder 341 is in a contracted state, and the outer cylinder 342, 342, The middle cylinder 343 and the inner cylinder 344 are sequentially unfolded to temporarily block the materials falling from the scattering mechanism 3, so that the materials slide to both sides along the arc surface at the top of the blocking mechanism 34 and are stacked, the blocking mechanism 34 completely blocks the materials, that is, the materials stacked above the first filter plate 25 and the second filter plate 26 are all discharged, the collecting box 28 is drawn out, the collected unqualified materials are produced and reused, after the completion, the hydraulic cylinder 20 drives the push plate 15 to be retracted, the materials stacked above the blocking mechanism 34 are dropped onto the first filter plate 25 for continuous cleaning, and the problem that the screening device in the prior art needs to be stopped and cleaned in the middle is specifically solved by the embodiment.
The working principle of the screening device part is as follows:
when the plastic master batch screening device is used, plastic master batches to be screened are conveyed into the shell 1 through the feed hopper 2 through the feed pipe 12, the screening device is communicated with an external power supply, after the plastic master batches enter the shell 1, the scattering mechanism 3 is utilized to crush or scatter the plastic master batches with the grain sizes larger than the standard grain size or adhered into a group, the plastic master batches fall onto the first filter plate 25, the plastic master batches falling onto the first filter plate 25 are vibrated by the exciting force generated by the vibration motor 21, so that the particles are collided relatively to raise dust, and then the raised light chips/dust are discharged by matching with the reverse impact force of gas and the suction force of the exhaust fan 13, thereby not only improving the quality of the screened plastic master batches, but also reducing environmental pollution and improving the screening efficiency, when the piled materials need to be removed, the materials can be discharged out of the shell 1 through the push plate 15 of the hydraulic cylinder 20, and drives the shielding mechanism 34 to extend to block the falling materials, so that the non-stop work of the screening device can be realized.
The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed;
secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the invention, only the structures related to the disclosed embodiments are referred to, other structures can refer to common designs, and the same embodiment and different embodiments of the invention can be combined with each other without conflict;
and finally: the above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that are within the spirit and principle of the present invention are intended to be included in the scope of the present invention.
Claims (10)
1. The utility model provides a plastics master batch cooling screening system which characterized in that: the plastic master batch cooling device comprises a cooling device (100) and a screening device (200), wherein high-temperature plastic master batches extruded and molded by a single-screw extruder (300) are fed into the cooling device (100) to be cooled and then are fed into the screening device (200) through a conveying pipe (12) to be screened, the cooling device (100) comprises a cooling shell (101), the center of the upper end of the cooling shell (101) is communicated with a feeding hole (102) and a cold air inlet pipe (103), a feeding valve (104) and a cold air inlet valve (105) are respectively arranged in the feeding hole (102) and the cold air inlet pipe (103), the lower end of the cooling shell (101) is provided with a discharging pipe (106) communicated with the conveying pipe (12), and the discharging pipe (106) is provided with a discharging valve (107); the top end of the cooling shell (101) is fixedly connected with a sampling motor (108), an output shaft of the sampling motor (108) is fixedly connected with a shell of an electric telescopic rod (110) through an L-shaped rod (109), the front end of the output shaft of the electric telescopic rod (110) is provided with a convex threaded column (111), the threaded column (111) is screwed into a threaded hole (113) formed in a middle rod (112), a pressure sensor (114) is embedded at the bottom end of the threaded column (111), and the bottom end of the middle rod (112) is fixedly connected with the bottom wall of a sampling cylinder (115) with an opening at the upper end; a control display (116) is fixedly connected to the outer portion of the shell of the electric telescopic rod (110), and the control display (116) is communicated with the pressure sensor (114) and controls the sampling motor (108) and the electric telescopic rod (110) to move.
2. The plastic masterbatch cooling and screening system of claim 1, wherein: the discharge pipe (106) is communicated with an air outlet pipe (117), and the air outlet pipe (117) is provided with an air outlet valve (118) and a material stopping metal net (119); the left end of the cooling shell (101) is fixedly connected with a material placing table (120).
3. The plastic masterbatch cooling and screening system of claim 1, wherein: screening plant (200) is including casing (1), casing (1) top central point puts the intercommunication and is equipped with feeder hopper (2), its characterized in that: a scattering mechanism (3) is arranged at the position, corresponding to the feed hopper (2), of the top of the inner cavity of the shell (1), and a screening mechanism is arranged at the bottom of the scattering mechanism (3);
the scattering mechanism (3) comprises a driving motor (304), the driving motor (304) is fixedly installed on the outer wall of the shell (1), the end part of an output shaft of the driving motor (304) penetrates through the shell (1) at a corresponding position and is fixedly connected with a rotating shaft (301), a plurality of groups of first supporting rods (302) are uniformly distributed on the outer circumferential surface of the rotating shaft (301), a plurality of uniformly distributed first fixing columns (303) are symmetrically arranged on two sides of the first supporting rods (302), a first arc plate (4) and a second arc plate (8) are respectively arranged on two sides of the bottom end of the feed hopper (2), a plurality of uniformly distributed second supporting rods (5) are fixedly arranged on the inner side walls of the first arc plate (4) and the second arc plate (8), a plurality of uniformly distributed second fixing columns (6) are symmetrically arranged on two sides of the second supporting rods (5), and bristles (7) are coated on the surfaces of the second fixing columns (6) positioned on the inner side of the second arc plate, the outer side walls of the first arc plate (4) and the second arc plate (8) are respectively provided with two fixing rings (9), cross rods (10) are fixedly sleeved inside the fixing rings (9), and two ends of each cross rod (10) are fixedly connected with the inner wall of the shell (1) at corresponding positions;
the screening mechanism comprises a first filter plate (25) and a second filter plate (26) which are arranged from top to bottom, the first filter plate (25) and the second filter plate (26) are fixedly arranged on the inner side wall of the shell (1), an air transmission frame (23) fixedly arranged on the inner side wall of the shell (1) is arranged at the bottom of the second filter plate (26), a collection box (28) is arranged at the bottom of the air transmission frame (23), a vibration motor (21) and an air pump (22) are respectively arranged at the positions, corresponding to the first filter plate (25) and the air transmission frame (23), of the outer side of the shell (1), the vibration motor (21) is fixedly arranged on the outer wall of the shell (1), the first filter plate (25) is arranged in a hollow mode, the end portion of an output shaft of the vibration motor (21) penetrates through the shell (1) corresponding to the position, the vibration transmission frame (32) is fixedly connected with the vibration transmission frame, and the vibration frame (32), the air outlet end of the air pump (22) penetrates through the shell (1) at the corresponding position and is communicated with the air delivery frame (23).
4. The plastic masterbatch cooling and screening system of claim 3, wherein: the first supporting rods (302) and the second supporting rods (5) and the first fixing columns (303) and the second fixing columns (6) are alternately arranged; the central angle that first arc board (4) correspond equals the contained angle that forms between two adjacent first branch (302), the arc length of second arc board (8) is the twice of first arc board (4) arc length.
5. The plastic masterbatch cooling and screening system of claim 4, wherein: the gas transmission frame (23) comprises a plurality of hollow circular rings which are concentrically arranged, every two adjacent hollow circular rings are communicated through a communicating pipe, the top end surface of each hollow circular ring is provided with a plurality of vertical pipes which are communicated with the hollow circular rings in an annular and uniform distribution mode, and the top ends of the vertical pipes are fixedly provided with protective covers (24).
6. The plastic masterbatch cooling and screening system of claim 5, wherein: the device is characterized in that a baffle (16) is embedded in a position, corresponding to a first filter plate (25) and a second filter plate (26), of one side of the shell (1), a push plate (15) is embedded in the other side of the shell, a turnover mechanism is arranged at the top end of the baffle (16), a guide plate (17) which is obliquely arranged is arranged at the bottom of the baffle (16), the baffle (16) is movably connected with the shell (1) through the turnover mechanism, the top end of the guide plate (17) is fixedly connected with the outer wall of the shell (1), a mounting frame (19) is fixedly arranged at one side, away from the guide plate (17), of the shell (1), an air pump (22) is fixedly arranged on the bottom end face of the inner side of the mounting frame (19), hydraulic cylinders (20) are fixedly arranged at positions, corresponding to the two push plates (15), on the inner side wall of the, and the top ends of the inner sides of the two push plates (15) are respectively and fixedly provided with an ejector rod (18).
7. The plastic masterbatch cooling and screening system of claim 6, wherein: tilting mechanism is including fixed plate (30) that two symmetries set up, fixed plate (30) and casing (1) outer wall fixed connection who corresponds the position, two rotate through the bearing between fixed plate (30) and be connected with bull stick (35), baffle (16) top both ends all are provided with fixed ear (31), fixed cover of fixed ear (31) is connected in bull stick (35) outside, a plurality of torsional springs (36) have been cup jointed in the outside activity of bull stick (35), and the both ends of torsional spring (36) respectively with casing (1) outer wall and baffle (16) top end face butt, baffle (16) are equipped with fixed block (29) towards one side of casing (1) is fixed, and the terminal surface of fixed block (29) sets up to the arc surface.
8. The plastic masterbatch cooling and screening system of claim 7, wherein: the inner side top end face of the mounting rack (19) is fixedly provided with a connecting column (33), the bottom of the connecting column (33) is provided with a shielding mechanism (34), the shielding mechanism (34) comprises a storage barrel (341), the bottom end of the connecting column (33) is fixedly connected with the outer wall of the storage barrel (341), an outer barrel (342), a plurality of middle barrels (343) and an inner barrel (344) are arranged in the storage barrel (341), the outer barrel (342), the middle barrels (343) and the inner barrel (344) are sequentially and movably sleeved, a stopper (345) is fixedly arranged at one end of the inner peripheral surface of the outer barrel (342), at one end of the outer peripheral surface of the inner barrel (344) close to the shell (1), at one end of the inner peripheral surface of the middle barrel (343) far away from the shell (1) and at one end of the outer peripheral surface of the middle barrel (343) close to the shell (1), and a stopper (345) is fixedly connected with the inner cavity end, one end of the outer cylinder (342) close to the shell (1) is fixedly connected with the outer wall of the top end of the push plate (15) above the first filter plate (25), and the top end surfaces of the outer cylinder (342), the middle cylinder (343) and the inner cylinder (344) are all arc surfaces.
9. The plastic masterbatch cooling and screening system of claim 8, wherein: casing (1) is kept away from one side top fixed the inlaying of mounting bracket (19) and is equipped with air discharge fan (13), air discharge fan (13) one end is connected with dust exhaust pipe (14), and the one end that air discharge fan (13) were kept away from in dust exhaust pipe (14) is connected with the dust remover, feeder hopper (2) top can be dismantled and be connected with lid (11), and lid (11) top intercommunication is equipped with conveying pipeline (12).
10. The plastic masterbatch cooling and screening system of claim 9, wherein: collect fixed shrouding (27) that is equipped with of one end that driving motor (304) was kept away from in box (28) surface setting, the casing (1) lateral wall that shrouding (27) and shrouding (27) correspond the side is transparent ya keli material component.
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| CN202010531324.3A CN111660457B (en) | 2020-06-11 | 2020-06-11 | Plastics master batch cooling screening system |
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| CN202010531324.3A CN111660457B (en) | 2020-06-11 | 2020-06-11 | Plastics master batch cooling screening system |
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| CN115946262A (en) * | 2022-12-15 | 2023-04-11 | 安徽展业塑胶制品有限公司 | Plastic pellet cooling storage device |
| CN117901299A (en) * | 2024-03-19 | 2024-04-19 | 山东诺森塑胶有限公司 | Plastic masterbatch shaping cooling device |
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Denomination of invention: A plastic masterbatch cooling and screening system Effective date of registration: 20220916 Granted publication date: 20211221 Pledgee: Zhangzhou Changtai Branch of Bank of China Ltd. Pledgor: Fujian Keheng New Material Co.,Ltd. Registration number: Y2022350000119 |
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