CN117565261A - Granulator with clearance function for plastic granules production - Google Patents
Granulator with clearance function for plastic granules production Download PDFInfo
- Publication number
- CN117565261A CN117565261A CN202311672243.5A CN202311672243A CN117565261A CN 117565261 A CN117565261 A CN 117565261A CN 202311672243 A CN202311672243 A CN 202311672243A CN 117565261 A CN117565261 A CN 117565261A
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- China
- Prior art keywords
- ejection
- along
- groove
- rotating member
- extrusion barrel
- 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.)
- Granted
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 25
- 229920000426 Microplastic Polymers 0.000 title claims description 23
- 238000001125 extrusion Methods 0.000 claims abstract description 120
- 238000004140 cleaning Methods 0.000 claims abstract description 36
- 230000005540 biological transmission Effects 0.000 claims abstract description 29
- 238000012806 monitoring device Methods 0.000 claims abstract description 24
- 229920003023 plastic Polymers 0.000 claims abstract description 14
- 239000004033 plastic Substances 0.000 claims abstract description 14
- 239000002245 particle Substances 0.000 claims abstract description 11
- 230000002093 peripheral effect Effects 0.000 claims abstract description 8
- 238000004891 communication Methods 0.000 claims description 14
- 238000007790 scraping Methods 0.000 claims description 12
- 238000005096 rolling process Methods 0.000 claims description 8
- 238000003860 storage Methods 0.000 claims description 6
- 238000012544 monitoring process Methods 0.000 claims description 3
- 238000005469 granulation Methods 0.000 description 6
- 230000003179 granulation Effects 0.000 description 6
- 238000000034 method Methods 0.000 description 4
- 238000013459 approach Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000010926 purge Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000008188 pellet Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
Classifications
-
- 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
- B29B9/00—Making granules
- B29B9/02—Making granules by dividing preformed material
- B29B9/06—Making granules by dividing preformed material in the form of filamentary material, e.g. combined with extrusion
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
- B29C48/06—Rod-shaped
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/27—Cleaning; Purging; Avoiding contamination
-
- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/62—Plastics recycling; Rubber recycling
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
Abstract
The invention relates to the technical field of a granulator for plastic particle production, in particular to a granulator with a cleaning function for plastic particle production, which comprises a shell, a cleaning device and an extrusion barrel, wherein the cleaning device is arranged on the shell; the driving device is arranged at one side of the extrusion barrel; the sliding table is arranged at one end of the extrusion barrel along the length direction of the extrusion barrel; the first rotating piece is arranged at the upper part of the sliding table; the second rotating member is arranged at the upper part of the first rotating member along the axis of the extrusion barrel, and the peripheral wall of the first rotating member is always contacted with the peripheral wall of the second rotating member; the ejection assembly is arranged in the first rotating member along the radial direction of the first rotating member, and is symmetrically arranged on the first rotating member along the length direction of the first rotating member; the air supply device is arranged at the end part of the first rotating piece; the vertical monitoring device is arranged on the first rotating piece; the positioning device is arranged at one side of the first rotating piece; the transmission device is arranged above the sliding table. The invention realizes automatic cleaning of the extrusion holes.
Description
Technical Field
The invention relates to the technical field of a granulator for plastic particle production, in particular to a granulator with a cleaning function for plastic particle production.
Background
The working principle of plastic granulation is as follows: plastic is plasticized and melted by a screw extruder, extruded into a strip shape or a belt shape by a die hole, cut into particles by a granulating device, and then subjected to secondary cooling to obtain plastic particles with the required particle size. Extruded forms can be divided into hot and cold cuts. The hot cutting is a method of cutting a material into pellets in a molten or semi-molten state after extruding the material from a die hole of a die head, and in the prior art, since the internal raw materials of a granulating device are difficult to clean, waste is caused and the next use is affected.
Chinese patent CN114919092B discloses a granulator for plastic granules production, including the installation piece, one side fixedly connected with of installation piece top rotates the motor, the output of rotating the motor passes through speed reducer fixedly connected with thread bush, one side fixedly connected with granulation case at installation piece top, one side of granulation case runs through and is provided with fixed cover, the internal surface sliding connection of fixed cover has hollow screw, the surface and the internal surface threaded connection of thread bush of hollow screw, the first roof of one end fixedly connected with of hollow screw, the top of granulation case is provided with communicating pipe, one side of granulation case internal surface is provided with the extrusion barrel through coupling assembling, a plurality of extrusion hole has been seted up to the surface of extrusion barrel, the opposite side of granulation case runs through and is provided with the rotation cover, the internal surface rotation of rotation cover is connected with the swivel becket.
The above-mentioned scheme is although can clear up the inner wall of extruding the bucket, but the extrusion hole has been started on the extrusion bucket lateral wall, and the extrusion hole distributes around extruding the bucket, and the device in the above-mentioned scheme can't clear up the residue in the extrusion hole, when the clearance, need guarantee to extrude the smoothness of hole, need the manual work to clear up when traditional clearance method, and the extrusion hole in the above-mentioned scheme is numerous, if manual cleaning work is huge, wastes time and energy.
Disclosure of Invention
To the above-mentioned problem, the utility model provides a granulator is used in plastic granules production with clearance function, drive arrangement drives and extrudes the bucket and rotate, the slip table drives first rotating member and second rotating member and is close to and gradually visit into the extrusion bucket towards extruding the bucket, positioner can fix a position extrusion bucket and transmission this moment, only after will extrude bucket and transmission location, the ejecting subassembly on the first rotating member of transmission one side just can penetrate the extrusion hole when being ejecting, simultaneously only after the location, the extrusion bucket in rotation just can drive first rotating member through transmission and rotate, ejecting subassembly sets up about the length direction symmetry of first rotating member, when vertical monitoring device monitors ejecting subassembly and is in vertical state, air feeder just can be to first rotating member, two sets of ejecting subassemblies are vertically arranged, the ejecting subassembly that is located the upside is pressed by the second rotating member can not pop out, and the ejecting subassembly that is located the downside then can pop out and pass the extrusion hole in the first rotating member, it is ejecting the residue that is located the extrusion hole, the condition that the extrusion hole is blocked has been prevented.
In order to solve the problems in the prior art, the granulator with the cleaning function for producing plastic particles comprises a shell, a cleaning device and an extrusion barrel; the cleaning device comprises a driving device, a transmission device, a first rotating piece, a second rotating piece, an ejection assembly, a positioning device, a vertical monitoring device, an air supply device and a sliding table; the extrusion barrel is horizontally arranged, the axis of the extrusion barrel is parallel to the horizontal plane, extrusion holes are uniformly formed in the outer side of the extrusion barrel, the driving device is arranged on one side of the extrusion barrel, and the driving device drives the extrusion barrel to rotate; the sliding table is arranged at one end of the extrusion barrel along the length direction of the extrusion barrel; the first rotating piece is arranged at the upper part of the sliding table, the axis of the first rotating piece is parallel to the axis of the extrusion barrel, and the first rotating piece can be driven by the sliding table; the second rotating member is arranged at the upper part of the first rotating member along the axis of the extrusion barrel, the peripheral wall of the first rotating member is always contacted with the peripheral wall of the second rotating member, and the second rotating member synchronously moves along with the first rotating member; the ejection assembly is arranged in the first rotating member along the radial direction of the first rotating member, is symmetrically arranged on the first rotating member relative to the length direction of the first rotating member, protrudes out from one side of the first rotating member, and can pass through the extrusion hole; the air supply device is arranged at the end part of the first rotating piece, and is used for supplying air to the first rotating piece and ejecting the ejection assembly; the vertical monitoring device is arranged on the first rotating piece and is used for monitoring the vertical state of the ejection assembly, one side of the vertical monitoring device is provided with a controller, and the vertical monitoring device controls the air supply device to supply air through the controller; the positioning device is arranged on one side of the first rotating piece and can position the extrusion hole and the ejection assembly; the transmission device is arranged above the sliding table and is used for driving the first rotating piece and the second rotating piece to synchronously rotate along with the extrusion barrel.
Preferably, the ejection assembly comprises an ejection piece, a limiting ring, a first spring, an ejection groove and a communication groove; the communication groove is formed at the end part of the first rotating piece along the axis of the first rotating piece; the plurality of ejection grooves are uniformly distributed along the length direction of the first rotating piece, the ejection grooves are mutually communicated with the communication grooves, and the bottoms of the ejection grooves penetrate through the ejection grooves along the length direction of the ejection grooves; the ejection piece is arranged in the ejection groove in a sliding manner along the length direction of the ejection groove, is in sliding fit with the ejection groove, and can be ejected out of the first rotating piece through the ejection groove; the limiting ring is fixedly arranged at one end of the ejection piece, which is positioned in the ejection groove, along the axis of the ejection piece, the limiting ring is in sliding fit with the ejection groove, and a first gap is reserved between the limiting ring and the bottom of the ejection groove; the first spring is disposed in the first gap along the axis of the ejector.
Preferably, the ejection assembly further comprises a blocking groove and a rolling ball; the plugging groove is formed in the ejection piece along the length direction of the ejection piece, two ends of the plugging groove are in a contracted shape, and the plugging groove is communicated with the communicating groove; the rolling ball is arranged in the plugging groove in a rolling way along the length direction of the plugging groove.
Preferably, the transmission device comprises a bracket, a second toothed ring, a second gear and a third gear; the support is fixedly arranged at the upper part of the sliding table; the second gear is fixedly arranged at the end part of the first rotating piece along the axis of the first rotating piece and is arranged on the bracket; the third gear is fixedly arranged at the end part of the second rotating piece along the axis of the second rotating piece, the third gear is arranged on the bracket, and the second gear and the third gear are meshed with each other; the second toothed ring is fixedly arranged on the extrusion barrel along the axis of the extrusion barrel, the meshing teeth of the second toothed ring are arranged on the inner ring of the second toothed ring, and the second gear is meshed with the second toothed ring.
Preferably, the positioning device comprises a positioning block, a sliding rod, a second spring, an electromagnet and a pressure plate; a triggering groove is formed in one side, close to the positioning device, of the second toothed ring along the length direction of the extrusion barrel, and a pressure plate is arranged at the bottom of the triggering groove; the positioning block is arranged on one side of the bracket, which is close to the second toothed ring; the sliding rod is fixedly arranged at one end, far away from the second toothed ring, of the positioning block, penetrates through the support and is in sliding fit with the support, a limiting block is fixedly arranged at one end, far away from the second toothed ring, of the sliding rod, and a second gap is reserved between the limiting block and the support; the second spring is arranged in the second gap along the axis of the sliding rod; the electromagnet is fixedly arranged on the support, and the electromagnet can attract the limiting block on the sliding rod.
Preferably, the vertical monitoring device comprises a chute, a trigger block and a trigger button; the sliding groove is formed in the end part of the first rotating piece along the radial direction of the first rotating piece; the trigger block is arranged in the chute in a sliding manner along the length direction of the chute; the trigger button is provided with two, and two trigger buttons set up the both ends at the spout respectively.
Preferably, the air supply device comprises an air pump, an air storage tank and a switch valve; the switch valve is arranged at one end of the first rotating piece, and the switch valve is communicated with the communication groove; the air storage tank is provided with a switch valve at one end far away from the first rotating piece; the air pump sets up in one side of gas holder, and the air pump is with gaseous impressing in the gas holder.
Preferably, the cleaning device further comprises a scraping device, and the scraping device comprises a steering engine and a scraping plate; the steering engine is arranged at the upper part of the sliding table, and the sliding table drives the steering engine to slide along the length direction of the extrusion barrel; the scraper blade sets up on the output of steering wheel, and the steering wheel can drive the scraper blade at every turn and rotate 90 degrees.
Preferably, the drive means comprises a rotary drive, a first gear and a first toothed ring; the rotary driver is fixedly arranged at the upper part of the shell; the first gear is fixedly arranged at the output end of the rotary driver; the first toothed ring is fixedly arranged on the extrusion barrel along the axis of the extrusion barrel, and the first toothed ring is meshed with the first gear.
Preferably, the diameter of the ejector is smaller than the diameter of the extrusion orifice.
Compared with the prior art, the invention has the beneficial effects that:
according to the invention, the driving device, the transmission device, the first rotating member, the second rotating member, the ejection assembly, the positioning device, the vertical monitoring device, the air supply device and the sliding table are arranged, the driving device drives the extrusion barrel to rotate, the sliding table drives the first rotating member and the second rotating member to gradually approach the extrusion barrel and gradually stretch into the extrusion barrel, at the moment, the positioning device can position the extrusion barrel and the transmission device, the ejection assembly on the first rotating member positioned at one side of the transmission device just penetrates into the extrusion hole only after the extrusion barrel and the transmission device are positioned, meanwhile, the rotating extrusion barrel can drive the first rotating member to rotate through the transmission device only after the positioning, the ejection assembly is symmetrically arranged in the length direction of the first rotating member, when the vertical monitoring device monitors that the ejection assembly is in a vertical state, the air supply device supplies air to the first rotating member, the two groups of ejection assemblies are vertically arranged, the ejection assembly positioned at the upper side cannot be ejected by the second rotating member, and the ejection assembly positioned at the lower side can eject from the first rotating member and pass through the extrusion hole, and residues positioned in the extrusion hole are prevented from being ejected by the first rotating member, and plugging the extrusion hole is prevented.
Drawings
FIG. 1 is a schematic perspective view of a plastic granule production pelletizer with cleaning function;
FIG. 2 is a schematic perspective view of a plastic pellet mill with cleaning function;
FIG. 3 is an enlarged schematic view of a portion of the plastic granule production pelletizer of FIG. 2 at A with a purge function;
FIG. 4 is a perspective view of a plastic granule production pelletizer with cleaning function, with the slipway removed;
FIG. 5 is a side view of a plastic granule production pelletizer with cleaning function with the slide table removed;
FIG. 6 is a schematic cross-sectional view of the plastic pellet mill of FIG. 5 at B-B with a purge function;
FIG. 7 is an enlarged schematic view of a portion of the plastic pellet mill of FIG. 6 at C with a purge function;
FIG. 8 is a partially enlarged schematic illustration of a plastic granule production pelletizer having a cleaning function at D in FIG. 6;
FIG. 9 is a schematic perspective view I of a plastic granule production granulator with cleaning function, with the slide table and the housing removed;
FIG. 10 is a second perspective view of the plastic granule production granulator with cleaning function, with the slide table and the housing removed;
fig. 11 is a perspective view of a plastic pellet mill with a cleaning function, with the brackets, slips and housing removed.
The reference numerals in the figures are:
1-a housing; 2-a cleaning device; 21-a drive device; 211-a rotary drive; 212-a first gear; 213-a first toothed ring; 22-transmission means; 221-a bracket; 222-a second toothed ring; 223-a second gear; 224-third gear; 23-a first rotating member; 231-a second rotating member; 232-an ejector assembly; 2321-an ejector; 2322-a stop collar; 2323—a first spring; 2324-ejection slots; 2325-connected slots; 2326-plugging the groove; 2327-a ball; 24-positioning means; 241-positioning blocks; 242-slide bar; 243-a second spring; 244-an electromagnet; 25-vertical monitoring device; 251-chute; 252-trigger block; 253—trigger button; 26-air supply device; 261-an air pump; 262-gas storage tank; 263-switching valve; 27-a sliding table; 28-a scraping device; 281-steering engine; 282-squeegee; 3-extruding a barrel; 31-extrusion orifice.
Detailed Description
The invention will be further described in detail with reference to the drawings and the detailed description below, in order to further understand the features and technical means of the invention and the specific objects and functions achieved.
Referring to fig. 1, 2, 4, 6, 9 and 10: a plastic particle production granulator with a cleaning function comprises a shell 1, a cleaning device 2 and an extrusion barrel 3; the cleaning device 2 comprises a driving device 21, a transmission device 22, a first rotating piece 23, a second rotating piece 231, an ejection assembly 232, a positioning device 24, a vertical monitoring device 25, an air supply device 26 and a sliding table 27; the extrusion barrel 3 is horizontally arranged, the axis of the extrusion barrel 3 is parallel to the horizontal plane, extrusion holes 31 are uniformly formed in the outer side of the extrusion barrel 3, the driving device 21 is arranged on one side of the extrusion barrel 3, and the driving device 21 drives the extrusion barrel 3 to rotate; the sliding table 27 is arranged at one end of the extrusion barrel 3 along the length direction of the extrusion barrel 3; the first rotating piece 23 is arranged at the upper part of the sliding table 27, the axis of the first rotating piece 23 is parallel to the axis of the extrusion barrel 3, and the first rotating piece 23 can be driven by the sliding table 27; the second rotating member 231 is disposed at an upper portion of the first rotating member 23 along an axis of the extrusion barrel 3, a peripheral wall of the first rotating member 23 and a peripheral wall of the second rotating member 231 are always in contact, and the second rotating member 231 moves synchronously with the first rotating member 23; the ejection assembly 232 is arranged inside the first rotating member 23 along the radial direction of the first rotating member 23, the ejection assembly 232 is symmetrically arranged on the first rotating member 23 along the length direction of the first rotating member 23, the ejection assembly 232 protrudes from one side of the first rotating member 23, and the ejected ejection assembly 232 can pass through the extrusion hole 31; the air supply device 26 is arranged at the end part of the first rotating member 23, and the air supply device 26 supplies air to the first rotating member 23 and enables the ejection assembly 232 to be ejected; the vertical monitoring device 25 is arranged on the first rotating member 23, the vertical monitoring device 25 is used for monitoring the vertical state of the ejection assembly 232, a controller is arranged on one side of the vertical monitoring device 25, and the vertical monitoring device 25 controls the air supply device 26 to supply air through the controller; the positioning device 24 is arranged on one side of the first rotating member 23, and the positioning device 24 can position the extrusion hole 31 and the ejection assembly 232; the transmission device 22 is arranged above the sliding table 27, and the transmission device 22 is used for driving the first rotating piece 23 and the second rotating piece 231 to synchronously rotate along with the extrusion barrel 3.
The extrusion hole 31 evenly sets up on the lateral wall of extrusion barrel 3 around the axis of extrusion barrel 3, drive arrangement 21 drives extrusion barrel 3 and rotates, slip table 27 drives first rotating member 23 and second rotating member 231 and is close to and progressively stretches into extrusion barrel 3 towards extrusion barrel 3, positioner 24 can fix a position extrusion barrel 3 and transmission 22 this moment, only after will extrude barrel 3 and transmission 22 location, the ejection subassembly 232 that is located on the first rotating member 23 of transmission 22 one side just can penetrate extrusion hole 31 when being pushed out, simultaneously only after the location, the extrusion barrel in rotation just can drive first rotating member 23 through transmission 22 and rotate, air feeder 26 just can be to first rotating member 23 with regard to the length direction symmetry setting of first rotating member 23, the vertical monitoring device 25 monitors ejection subassembly 232 and is in the vertical state, two sets of ejection subassemblies 232 are vertically arranged, the ejection subassembly 232 that is located the upside is pressed by second rotating member 231 can not pop out, and the ejection subassembly 232 that is located the downside can then pop out from first rotating member 23 and pass extrusion hole 31 when being pushed out, the high enough air feeder 26 has realized in advance, the high enough air feeder 26 has been realized simultaneously, the high air feeder is worth doing so, the high air feeder is realized, the high air feeder is worth doing the ejection hole 31, and is worth doing the air feeder is high to the air feeder is blown out to the ejection hole 31 in advance, and is high in order to prevent the air feeder 31.
Referring to fig. 6 and 7: the ejection assembly 232 includes an ejection member 2321, a limit ring 2322, a first spring 2323, an ejection slot 2324, and a communication slot 2325; the communication groove 2325 is formed at the end of the first rotating member 23 along the axis of the first rotating member 23; the plurality of ejection grooves 2324 are arranged, the ejection grooves 2324 are uniformly distributed along the length direction of the first rotating member 23, the ejection grooves 2324 are mutually communicated with the communication grooves 2325, and the bottoms of the ejection grooves 2324 are provided with the ejection grooves in a penetrating manner along the length direction of the ejection grooves 2324; the ejector 2321 is slidably arranged in the ejector slot 2324 along the length direction of the ejector slot 2324, the ejector 2321 is slidably matched with the ejector slot, and the ejector 2321 can extend out of the first rotating member 23 through the ejector slot; the limiting ring 2322 is fixedly arranged at one end of the ejection member 2321, which is positioned in the ejection groove 2324, along the axis of the ejection member 2321, the limiting ring 2322 is in sliding fit with the ejection groove 2324, and a first gap is reserved between the limiting ring 2322 and the bottom of the ejection groove 2324; the first spring 2323 is disposed within the first gap along the axis of the ejector 2321.
After the air supply device 26 is started, the air supply device 26 supplies pressurized air into the communication groove 2325, then enters the ejection groove 2324, the ejection piece 2321 and the limit ring 2322 located in the ejection groove 2324 are synchronously pushed out, the ejection piece 2321 protrudes out of the protruding groove, the protruding ejection piece 2321 is transferred into the extrusion hole 31, residues on the extrusion hole 31 are ejected by the ejection piece 2321, and after air leakage, the first spring 2323 drives the ejection piece 2321 to retract rapidly.
Referring to fig. 6 and 7: the ejection assembly 232 also includes a blocking slot 2326 and a ball 2327; the plugging groove 2326 is formed in the ejection piece 2321 along the length direction of the ejection piece 2321, two ends of the plugging groove 2326 are in a contracted shape, and the plugging groove 2326 is communicated with the communicating groove 2325; the ball 2327 is disposed within the plugging slot 2326 in a rolling manner along the length of the plugging slot 2326.
When the ejection assembly 232 is in a vertical state, the ejection assembly 232 at the upper side cannot be ejected under the pressing of the second rotating member 231, the ejection assembly 232 at the lower side can be ejected under the pressurized air, the plugging groove 2326 and the rolling ball 2327 are arranged on the ejection member 2321, so that the ejection member 2321 can be rapidly deflated after being ejected, due to the fact that the first rotating member 23 and the second rotating member 231 are always contacted, when the ejection member 2321 is in the vertical state, the rolling ball 2327 in the ejection member 2321 at the lower side moves to the lower side of the plugging groove 2326 under the action of gravity, two ends of the plugging groove 2326 are contracted, pressurized air can also be flushed in at the moment, so that the rolling ball 2327 plugs the plugging groove 2326 in the ejection member 2321 at the lower side, the upper part of the plugging groove 2326 in the ejection member 2321 at the upper side can be blocked by the second rotating member 231, but with the relative rotation of the second rotating member 231 and the first rotating member 23, the ejection member 2321 can be completely expelled from the plugging groove 2326 at the upper side of the ejection member 2321, and the air can be rapidly expelled from the plugging groove 2326 by the ejection member 2321.
Referring to fig. 6, 9 and 11: the transmission 22 comprises a bracket 221, a second toothed ring 222, a second gear 223 and a third gear 224; the bracket 221 is fixedly arranged at the upper part of the sliding table 27; the second gear 223 is fixedly disposed at an end of the first rotating member 23 along an axis of the first rotating member 23, and the second gear 223 is disposed on the bracket 221; the third gear 224 is fixedly disposed at an end of the second rotating member 231 along an axis of the second rotating member 231, the third gear 224 is disposed on the bracket 221, and the second gear 223 and the third gear 224 are engaged with each other; the second toothed ring 222 is fixedly disposed on the extrusion barrel 3 along the axis of the extrusion barrel 3, the engagement teeth of the second toothed ring 222 are disposed on the inner ring of the second toothed ring 222, and the second gear 223 is engaged with the second toothed ring 222.
After the sliding table 27 is started, before the positioning device 24 is positioned, the second toothed ring 222 and the second gear 223 cannot be meshed with each other, even if the second toothed ring 222 and the second gear 223 are meshed, the ejection assembly 232 cannot be guaranteed to pass through the extrusion hole 31 just when extending, after the sliding table 27 is positioned by the positioning device 24, the sliding table 27 continuously drives the support 221 to slide, the second gear 223 and the third gear 224 gradually approach to the second toothed ring 222 under the driving of the support 221, then the second toothed ring 222 and the second gear 223 are meshed with each other, as the driving device 21 always drives the extrusion barrel 3 to rotate, the second toothed ring 222 arranged on the extrusion barrel 3 can drive the second gear 223 to rotate, meanwhile, the third gear 224 can also be driven, so that the first rotating member 23 and the second rotating member 231 can be driven to rotate, the ejection assembly 232 at the upper side under the vertical state can be pressed by the second rotating member 231, and only the ejection assembly 232 at the lower side can be ejected by the air supply device 26, and the ejection efficiency of the air supply device 26 is improved.
Referring to fig. 1, 3 and 6: the positioning device 24 comprises a positioning block 241, a sliding rod 242, a second spring 243, an electromagnet 244 and a pressure plate; a triggering groove is formed in one side, close to the positioning device 24, of the second toothed ring 222 along the length direction of the extrusion barrel 3, and a pressure plate is arranged at the bottom of the triggering groove; the positioning block 241 is arranged on one side of the bracket 221 close to the second toothed ring 222; the sliding rod 242 is fixedly arranged at one end of the positioning block 241 far away from the second toothed ring 222, the sliding rod 242 penetrates through the bracket 221 and is in sliding fit with the bracket 221, a limiting block is fixedly arranged at one end of the sliding rod 242 far away from the second toothed ring 222, and a second gap is reserved between the limiting block and the bracket 221; the second spring 243 is disposed in the second gap along the axis of the slide bar 242; the electromagnet 244 is fixedly arranged on the bracket 221, and the electromagnet 244 can attract the limiting block on the sliding rod 242.
The sliding table 27 drives the support 221 to approach the second toothed ring 222, the second toothed ring 222 continuously rotates under the drive of the extrusion barrel 3, a trigger groove is formed in the end part of the second toothed ring 222, when the positioning block 241 contacts with the end part of the second toothed ring 222, the positioning block 241 can be finally clamped with the trigger groove along with the rotation of the second toothed ring 222, at the moment, the transmission device 22 can realize transmission, but because the positioning block 241 and the trigger groove are in a clamping state, after the trigger groove is required to be unlocked, the transmission device 22 can normally transmit, the electromagnet 244 is electrified to attract the limiting block, the sliding rod 242 drives the positioning block 241 to slide out of the trigger groove, and the transmission device 22 can normally operate at the moment.
Referring to fig. 1 and 8: the vertical monitoring device 25 includes a chute 251, a trigger block 252, and a trigger button 253; the sliding groove 251 is formed at the end of the first rotating member 23 along the radial direction of the first rotating member 23; the trigger block 252 is slidably arranged in the sliding groove 251 along the length direction of the sliding groove 251; the trigger buttons 253 are provided in two, and the two trigger buttons 253 are provided at both ends of the slide groove 251, respectively.
When the first rotating member 23 is rotated, the sliding groove 251 provided on the first rotating member 23 rotates synchronously with the first rotating member 23, and when the ejection assembly 232 is in the vertical state, the sliding groove 251 is also in the vertical state, and at this time, the trigger block 252 positioned in the sliding groove 251 slides to the lower end of the sliding groove 251 under the action of gravity, so that the trigger button 253 at the lower end of the sliding groove 251 is pressed, and the trigger button 253 enables the air supply device 26 to supply air through the controller.
Referring to fig. 4 and 6: the air supply device 26 includes an air pump 261, an air tank 262, and a switch valve 263; the switch valve 263 is provided at one end of the first rotary member 23, and the switch valve 263 and the communication groove 2325 communicate with each other; the air tank 262 is provided with an end of the switch valve 263 far away from the first rotating member 23; the air pump 261 is provided at one side of the air tank 262, and the air pump 261 presses air into the air tank 262.
During the rotation of the first rotating member 23, the air pump 261 will press the air into the air tank 262 in advance, the air pressure in the air tank 262 is greater than the external pressure, when the vertical monitoring device 25 monitors that the ejection member 2321 is in the vertical state, the switch valve 263 will be opened, and the pressurized air in the air tank 262 will flow into the communication groove 2325, so that the ejection member 2321 can be ejected.
Referring to fig. 4 and 5: the cleaning device 2 further comprises a scraping device 28, the scraping device 28 comprising a steering engine 281 and a scraper 282; the steering engine 281 is arranged at the upper part of the sliding table 27, and the sliding table 27 drives the steering engine 281 to slide along the length direction of the extrusion barrel 3; the scraping plate 282 is arranged at the output end of the steering engine 281, and the steering engine 281 can drive the scraping plate 282 to rotate 90 degrees each time.
The scraper 282 is in the horizontal state initially, and the slip table 27 drives the scraper 282 to stretch into the extrusion shell through the steering engine 281, and then the steering engine 281 drives the scraper 282 to rotate 90 degrees, so that the scraper 282 rotates to the vertical state, and residues ejected by the ejection assembly 232 on the extrusion shell can be scraped by the scraper 282 in the vertical state.
Referring to fig. 1 and 4: the drive means 21 comprises a rotary drive 211, a first gear 212 and a first toothed ring 213; the rotation driver 211 is fixedly provided at the upper portion of the housing 1; the first gear 212 is fixedly arranged on the output end of the rotary driver 211; the first toothed ring 213 is fixedly provided on the extrusion barrel 3 along the axis of the extrusion barrel 3, and the first toothed ring 213 is intermeshed with the first gear 212.
The rotary driver 211 can drive the first gear 212 to rotate, and since the first gear 212 and the first toothed ring 213 are engaged with each other, the first toothed ring 213 is driven to rotate after the rotary driver 211 drives the first gear 212 to rotate, so that the extrusion barrel 3 can be driven to rotate by the first toothed ring 213.
Referring to fig. 6: the ejector 2321 has a diameter smaller than the diameter of the extrusion orifice 31.
Since the extrusion barrel 3 is in a rotating state, no matter how fast the ejector 2321 is retracted, a certain time is required, and the diameter of the ejector 2321 is smaller than that of the extrusion hole 31, so that a gap exists between the ejector 2321 and the extrusion hole 31, the gap can ensure that the rotation of the extrusion barrel 3 is not blocked in the retraction process of the ejector 2321, and even though a part of residues remain in the extrusion hole 31 in this way, in the subsequent use process, heated plastics can be extruded through the extrusion hole 31, and the residues can be heated and softened at a high temperature under the self heat of molten plastics, so that the residues are discharged together with the molten plastics.
The foregoing examples merely illustrate one or more embodiments of the invention, which are described in greater detail and are not to be construed as limiting the scope of the invention. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the invention, which are all within the scope of the invention. Accordingly, the scope of protection of the present invention is to be determined by the appended claims.
Claims (10)
1. The granulator with the cleaning function for producing plastic particles comprises a shell (1), a cleaning device (2) and an extrusion barrel (3);
the cleaning device (2) is characterized by comprising a driving device (21), a transmission device (22), a first rotating piece (23), a second rotating piece (231), an ejection assembly (232), a positioning device (24), a vertical monitoring device (25), an air supply device (26) and a sliding table (27);
the extrusion barrel (3) is horizontally arranged, the axis of the extrusion barrel (3) is parallel to the horizontal plane, extrusion holes (31) are uniformly formed in the outer side of the extrusion barrel (3), the driving device (21) is arranged on one side of the extrusion barrel (3), and the driving device (21) drives the extrusion barrel (3) to rotate;
the sliding table (27) is arranged at one end of the extrusion barrel (3) along the length direction of the extrusion barrel (3);
the first rotating piece (23) is arranged at the upper part of the sliding table (27), the axis of the first rotating piece (23) is parallel to the axis of the extrusion barrel (3), and the first rotating piece (23) can be driven by the sliding table (27);
the second rotating member (231) is arranged at the upper part of the first rotating member (23) along the axis of the extrusion barrel (3), the peripheral wall of the first rotating member (23) is always contacted with the peripheral wall of the second rotating member (231), and the second rotating member (231) synchronously moves along with the first rotating member (23);
the ejection assembly (232) is arranged in the first rotating member (23) along the radial direction of the first rotating member (23), the ejection assembly (232) is symmetrically arranged on the first rotating member (23) relative to the length direction of the first rotating member (23), the ejection assembly (232) protrudes from one side of the first rotating member (23), and the protruding ejection assembly (232) can pass through the extrusion hole (31);
the air supply device (26) is arranged at the end part of the first rotating piece (23), and the air supply device (26) supplies air to the first rotating piece (23) and enables the ejection assembly (232) to be ejected;
the vertical monitoring device (25) is arranged on the first rotating piece (23), the vertical monitoring device (25) is used for monitoring the vertical state of the ejection assembly (232), a controller is arranged on one side of the vertical monitoring device (25), and the vertical monitoring device (25) controls the air supply device (26) to supply air through the controller;
the positioning device (24) is arranged on one side of the first rotating piece (23), and the positioning device (24) can position the extrusion hole (31) and the ejection assembly (232);
the transmission device (22) is arranged above the sliding table (27), and the transmission device (22) is used for driving the first rotating piece (23) and the second rotating piece (231) to synchronously rotate along with the extrusion barrel (3).
2. The granulator for plastic particle production with cleaning function according to claim 1, wherein the ejector assembly (232) comprises an ejector (2321), a limiting ring (2322), a first spring (2323), an ejector groove (2324) and a communication groove (2325);
the communication groove (2325) is formed at the end part of the first rotating piece (23) along the axis of the first rotating piece (23);
the plurality of ejection grooves (2324) are formed, the ejection grooves (2324) are uniformly distributed along the length direction of the first rotating piece (23), the ejection grooves (2324) are mutually communicated with the communication grooves (2325), and the bottoms of the ejection grooves (2324) are penetrated and provided with the ejection grooves along the length direction of the ejection grooves (2324);
the ejector piece (2321) is arranged in the ejector groove (2324) in a sliding manner along the length direction of the ejector groove (2324), the ejector piece (2321) is in sliding fit with the ejector groove, and the ejector piece (2321) can extend out of the first rotating piece (23) through the ejector groove;
the limiting ring (2322) is fixedly arranged at one end of the ejection piece (2321) located in the ejection groove (2324) along the axis of the ejection piece (2321), the limiting ring (2322) is in sliding fit with the ejection groove (2324), and a first gap is reserved between the limiting ring (2322) and the bottom of the ejection groove (2324);
the first spring (2323) is disposed within the first gap along an axis of the ejector (2321).
3. A granulator for the production of plastic granules with cleaning function according to claim 2, characterized in that the ejection assembly (232) also comprises a plugging slot (2326) and a ball (2327);
the plugging groove (2326) is formed in the ejection piece (2321) along the length direction of the ejection piece (2321), two ends of the plugging groove (2326) are in a contracted shape, and the plugging groove (2326) is communicated with the communicating groove (2325);
the ball (2327) is arranged in the plugging groove (2326) in a rolling way along the length direction of the plugging groove (2326).
4. A granulator for the production of plastic granules with cleaning function according to claim 1, characterized in that the transmission (22) comprises a support (221), a second toothed ring (222), a second gear (223) and a third gear (224);
the bracket (221) is fixedly arranged at the upper part of the sliding table (27);
the second gear (223) is fixedly arranged at the end part of the first rotating piece (23) along the axis of the first rotating piece (23), and the second gear (223) is arranged on the bracket (221);
the third gear (224) is fixedly arranged at the end part of the second rotating piece (231) along the axis of the second rotating piece (231), the third gear (224) is arranged on the bracket (221), and the second gear (223) and the third gear (224) are meshed with each other;
the second toothed ring (222) is fixedly arranged on the extrusion barrel (3) along the axis of the extrusion barrel (3), the meshing teeth of the second toothed ring (222) are arranged on the inner ring of the second toothed ring (222), and the second gear (223) is meshed with the second toothed ring (222).
5. The granulator for the production of plastic granules with cleaning function according to claim 4, characterized in that the positioning device (24) comprises a positioning block (241), a sliding bar (242), a second spring (243), an electromagnet (244) and a pressure plate;
a triggering groove is formed in one side, close to the positioning device (24), of the second toothed ring (222) along the length direction of the extrusion barrel (3), and a pressure plate is arranged at the bottom of the triggering groove;
the positioning block (241) is arranged on one side of the bracket (221) close to the second toothed ring (222);
the sliding rod (242) is fixedly arranged at one end, far away from the second toothed ring (222), of the positioning block (241), the sliding rod (242) penetrates through the support (221) and is in sliding fit with the support (221), a limiting block is fixedly arranged at one end, far away from the second toothed ring (222), of the sliding rod (242), and a second gap is reserved between the limiting block and the support (221);
the second spring (243) is arranged in the second gap along the axis of the sliding rod (242);
the electromagnet (244) is fixedly arranged on the bracket (221), and the electromagnet (244) can attract the limiting block on the sliding rod (242).
6. A granulator for the production of plastic granules with cleaning function according to claim 1, characterized in that the vertical monitoring device (25) comprises a chute (251), a trigger block (252) and a trigger button (253);
the sliding groove (251) is formed at the end part of the first rotating piece (23) along the radial direction of the first rotating piece (23);
the trigger block (252) is arranged in the chute (251) in a sliding manner along the length direction of the chute (251);
the trigger buttons (253) are arranged at two ends of the sliding groove (251), and the two trigger buttons (253) are respectively arranged at two ends of the sliding groove (251).
7. The granulator for plastic granule production with cleaning function according to claim 2, characterized in that the air supply means (26) comprise an air pump (261), an air reservoir (262) and a switch valve (263);
the switch valve (263) is arranged at one end of the first rotating piece (23), and the switch valve (263) and the communication groove (2325) are communicated with each other;
the air storage tank (262) is provided with an on-off valve (263) far away from one end of the first rotating piece (23);
the air pump (261) is arranged on one side of the air storage tank (262), and the air pump (261) presses air into the air storage tank (262).
8. A granulator for the production of plastic granules with cleaning function according to claim 1, characterized in that the cleaning device (2) also comprises a scraping device (28), the scraping device (28) comprising a steering engine (281) and a scraper (282);
the steering engine (281) is arranged at the upper part of the sliding table (27), and the sliding table (27) drives the steering engine (281) to slide along the length direction of the extrusion barrel (3);
the scraping plate (282) is arranged at the output end of the steering engine (281), and the steering engine (281) can drive the scraping plate (282) to rotate 90 degrees each time.
9. A granulator for the production of plastic granules with cleaning function according to claim 1, characterized in that the driving means (21) comprise a rotary drive (211), a first gear (212) and a first toothed ring (213);
the rotary driver (211) is fixedly arranged at the upper part of the shell (1);
the first gear (212) is fixedly arranged on the output end of the rotary driver (211);
the first toothed ring (213) is fixedly arranged on the extrusion barrel (3) along the axis of the extrusion barrel (3), and the first toothed ring (213) is meshed with the first gear (212).
10. A granulator for the production of plastic granules with cleaning function according to claim 2, characterized in that the diameter of the ejector (2321) is smaller than the diameter of the extrusion orifice (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311672243.5A CN117565261B (en) | 2023-12-07 | 2023-12-07 | Granulator with clearance function for plastic granules production |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311672243.5A CN117565261B (en) | 2023-12-07 | 2023-12-07 | Granulator with clearance function for plastic granules production |
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| CN117565261A true CN117565261A (en) | 2024-02-20 |
| CN117565261B CN117565261B (en) | 2024-06-25 |
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| CN212892580U (en) * | 2020-09-07 | 2021-04-06 | 苏州市苏再投循环科技有限公司 | Automatic novel screw extruder is prevented blockking up in ejection of compact |
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| CN117565261B (en) | 2024-06-25 |
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