CN118049825B

CN118049825B - Centrifugal dehydrator

Info

Publication number: CN118049825B
Application number: CN202410452885.2A
Authority: CN
Inventors: 钱平; 包孝林; 蒋岳峰
Original assignee: Jiangsu Suqing Water Treatment Engineering Group Co ltd
Current assignee: Jiangsu Suqing Water Treatment Engineering Group Co ltd
Priority date: 2024-04-16
Filing date: 2024-04-16
Publication date: 2024-06-11
Anticipated expiration: 2044-04-16
Also published as: CN118049825A

Abstract

The invention relates to the technical field of centrifugal drying, in particular to a centrifugal dehydrator, wherein one side of a scraping plate is provided with an arc-shaped surface matched with the inner wall of a charging basket, the other side of the scraping plate is rotatably provided with a clamping plate, the scraping plate and two elastic cloths jointly limit an extrusion groove, when the arc-shaped surface is jointed with the inner wall of the charging basket and the scraping plate moves from top to bottom, the scraping plate can scrape resin particles on the inner wall of the charging basket, the clamping plate can be reciprocally close to the scraping plate to reciprocally stir the resin particles attached to the inner wall of the charging basket, when the clamping plate moves towards the inner wall of the charging basket and the scraping plate moves from bottom to top, the clamping plate can store the resin particles in the extrusion groove, the arc-shaped surface is reciprocally close to the scraping plate to enable the resin particles bonded into blocks to be dispersed, and when the resin particles in the extrusion groove are downwards poured, the dried resin particles can fall into a blanking cylinder and are downwards discharged, and the invention is beneficial to improving the dewatering and drying efficiency of the resin.

Description

Centrifugal dehydrator

Technical Field

The invention relates to the technical field of centrifugal drying, in particular to a centrifugal dehydrator.

Background

Resin is a polymeric material commonly used in the production of plastics, paints, adhesives and the like. In the production and processing processes, the resin needs to be dehydrated to remove moisture, so as to ensure the quality and performance of the product.

Chinese patent application with publication number CN116972602a discloses a moisture evaporator for chemical resin drying, when this evaporator is in use, need carry out dehydration treatment through the rotation of storage bucket with the resin in the storage bucket, however at this in-process, there is partial resin to carry out the shutoff with the through-hole on the storage bucket, thereby make the water in the resin be difficult to discharge in the storage bucket, and then influence the dehydration efficiency of resin, in addition, along with the rotation of storage bucket, the resin that is close to the storage bucket inner wall obtains drying treatment first, however this evaporator is difficult to in time discharge this partial dry resin, thereby the drying efficiency of evaporator has been reduced.

Disclosure of Invention

The invention provides a centrifugal dehydrator, which aims to solve the problems that in the related art, when resin is dehydrated, part of resin can block through holes on a charging basket, so that water in the resin is difficult to discharge from the charging basket, and the dehydration efficiency of the resin is affected.

The utility model provides a centrifugal dehydrator, including the staving the coaxial rotation installs the storage bucket in the staving, coaxial fixed being provided with down feed cylinder in the storage bucket, coaxial fixed mounting has the axostylus axostyle in the feed cylinder, have the unloading passageway in the axostylus axostyle, resin particle can get into in the storage bucket through the unloading passageway, install four scrapers in the storage bucket, one side of scraper blade has with storage bucket inner wall matched with arcwall face, install splint at the opposite side rotation of scraper blade, be provided with the elastic cloth respectively in the both sides of scraper blade, the one end and the splint fixed continuous of scraper blade are kept away from to elastic cloth, the extrusion groove is made jointly to splint and scraper blade and two elastic cloths, the arcwall face is laminated with the inner wall of storage bucket and when the scraper blade from top to bottom, the scraper blade can be scraped down with the resin particle of storage bucket inner wall in order to carry out reciprocal stirring to the resin particle that adheres to at the storage bucket inner wall, when splint are upwards removed from bottom to the extrusion groove, splint can be reciprocally close to the scraper blade so that the resin particle that the bonding piece is dispersed, resin particle is fallen down to the storage bucket in the extrusion groove when the inner wall laminating of arc face and extrusion groove.

Preferably, a driving disc is installed at the top of the charging basket, a spiral groove is formed in the periphery of the shaft rod, a transmission block matched with the spiral groove is arranged on the driving disc, the driving disc can move up and down, a connecting rod is fixedly arranged at the upper end of the scraping plate, the connecting rod is vertically arranged and can move up and down, lower arc grooves corresponding to the four connecting rods one to one are formed in the driving disc, the four lower arc grooves are uniformly arranged around the circumference of the shaft rod, and when the connecting rod moves in the lower arc grooves along the length extending direction of the connecting rod, the connecting rod can rotate around the axis of the connecting rod.

Preferably, the lower extreme of splint towards one side of scraper blade has the connecting block, the connecting block rotates with the scraper blade through first elastic component and links to each other, the periphery of connecting block has the driving tooth, the second gear with driving tooth engaged with is installed in the lower extreme rotation of scraper blade, rotate on the scraper blade and install the elastic plate, the elastic plate rotates with the scraper blade through the connecting axle and links to each other, coaxial rotation through the second elastic component at the connecting axle periphery installs the third gear, the third gear meshes with the second gear, be provided with magnet on the scraper blade, the elastic plate can be attracted by magnet, offer the storage tank that is used for the elastic plate to accomodate on the scraper blade, the splint rotates in order to make when gradually extrusion tank increase for the scraper blade, the second elastic component can constantly hold the power.

Preferably, the periphery side of axostylus axostyle evenly is provided with four second telescopic links, the radial extension of second telescopic link along the axostylus axostyle and link to each other with the axostylus axostyle is fixed, the second telescopic link is located the below of helicla flute, the one end that the axostylus axostyle was kept away from at the second telescopic link is provided with the guide rail, four guide rails are evenly set up along the periphery side of axostylus axostyle, the guide rail is the arc and sets up with the storage vat is coaxial, the slide opening is the arc and sets up with the storage vat coaxial, the third spout unanimous rather than length extension direction has been seted up along the horizontal direction at the slide opening inner wall, slidable mounting has the locating part along the length extension direction of guide rail in the third spout, the draw-in groove has been seted up along the length extension direction of guide rail in the side of locating part, slidable mounting has the fixture block along the horizontal direction in the third spout, the fixture block links to each other with the guide rail through the third elastic component, the fixture block can slide to the fixture block in order to prevent the locating part from sliding for the guide rail.

Preferably, the inner ring side of locating part rotates and installs the go-between, and go-between coaxial mounting is in the periphery side of connecting rod, and the connecting rod can drive to connect around the axis synchronous rotation of connecting rod when rotating around self axis, fixedly being provided with the connecting plate and stopping the pole in the lower extreme of go-between, connecting plate and stopping the pole and follow vertical direction downwardly extending respectively, fixedly being provided with the second rack at the lower extreme of connecting plate, the second rack is along the bottom that vertical direction set up and the lower extreme of second rack is close to the storage bucket, and the second rack is intermittent type rack, and the second gear can with the second rack meshing.

Preferably, the stopping rod is located at one side of the scraper blade towards the clamping plate, when the scraper blade moves to the upper side of the second rack along the vertical direction, the clamping plate can stop with the stopping rod, when the scraper blade continues to move upwards, the stopping rod can drive the clamping plate to rotate relative to the scraper blade, so that the extrusion groove is gradually increased, the guide rail is provided with a first end and a second end, the first end and the second end are respectively two ends of the guide rail along the length extending direction of the guide rail, and the clamping blocks are two and are respectively close to the first end and the second end.

Preferably, the lifting disc is coaxially arranged above the driving disc, the lifting disc is fixedly connected with the driving disc through a first telescopic rod, the lifting disc is coaxially provided with a matching hole for shaft rod installation, four upper arc-shaped grooves in one-to-one correspondence with the lower arc-shaped grooves are formed in the lower end of the lifting disc, the tops of the four connecting rods are respectively and slidably arranged in the four upper arc-shaped grooves, and the connecting rods can synchronously move up and down along with the lifting disc.

Preferably, the upper end of the clamping plate is provided with an arc scraping part which is obliquely arranged.

Preferably, the first gear is coaxially and slidably mounted on the outer periphery of the connecting rod along the axial direction of the connecting rod, a first chute consistent with the length extending direction of the first gear is formed in the lower arc-shaped groove along the horizontal direction, an annular piece is coaxially arranged at the lower end of the first gear, the annular piece is coaxially sleeved on the outer periphery of the connecting rod and can move along the length extending direction of the connecting rod in the first chute, a first rack matched with the first gear is arranged on the inner side surface of the lower arc-shaped groove along the length extending direction of the inner side surface of the connecting rod, a second chute is formed in the outer periphery of the connecting rod along the vertical direction, and a first sliding block matched with the second chute is arranged on the inner ring side of the first gear.

Preferably, the top of storage bucket has the opening, and a plurality of through-holes that are used for the dehydration are seted up to the periphery of storage bucket, installs the drain pipe in the bottom of staving, and the lower extreme downwardly extending of unloading section of thick bamboo links to each other with the staving rotation, installs in the top of staving and is used for driving the pivoted motor of axostylus axostyle, is provided with a plurality of pipes that are linked together with the unloading passageway at the periphery interval of axostylus axostyle, and the pipe is located the storage bucket and sets up downwards in the slope, and the pipe is located the top of unloading section of thick bamboo.

By adopting the technical scheme, the invention has the beneficial effects that:

1. When the arc surface of the scraping plate is attached to the inner wall of the charging basket and the scraping plate moves from top to bottom, the scraping plate can scrape down resin particles on the inner wall of the charging basket, and the clamping plate can be reciprocally close to the scraping plate to reciprocally stir the resin particles attached to the inner wall of the charging basket, so that the resin particles with more water content can move to a position close to the inner wall of the charging basket, and the dehydration and drying speeds of the resin particles are quickened.

2. When splint towards the inner wall of storage bucket and scraper blade from bottom to top remove, splint can accomodate the resin granule to the extrusion inslot, and splint can reciprocate to be close to the scraper blade so that the resin granule that bonds the piece is dispersed, and then is favorable to preventing to produce the bonding phenomenon between the resin granule, is favorable to the drying of resin granule.

3. When the arced surface is attached to the inner wall of the charging basket and resin particles in the extrusion groove are poured downwards, due to the existence of centrifugal force of the charging basket, the resin particles which are not dehydrated and dried fully can rapidly move towards the direction close to the inner wall of the charging basket, and the dried resin particles are smaller due to the centrifugal force, so that the partially dried resin particles can fall into the blanking barrel in the falling process and cannot move towards the direction close to the inner wall of the charging basket, and the partially dried resin particles are discharged downwards from the blanking barrel.

Drawings

Fig. 1 is a schematic perspective view of the present invention.

Fig. 2 is a cross-sectional view of the tub of the present invention.

Fig. 3 is a cross-sectional view of the bucket of the present invention and an exploded view of the second slide bar in a vertical direction.

Fig. 4 is a sectional view of the bucket, the driving plate and the lifting plate and an exploded view of the first slide bar in the vertical direction according to the present invention.

Fig. 5 is an exploded view of the lifting disk and the connecting rod of the present invention in the vertical direction.

FIG. 6 is a schematic diagram of the coupling of the connecting rod and the driving disk according to the present invention.

Fig. 7 is a cross-sectional view of the drive disk of the present invention and an exploded view of the first gear and the drive disk in the horizontal direction.

Fig. 8 is an exploded view of the first gear, guide rail and stopper of the present invention in the vertical direction.

Fig. 9 is an exploded view of the stop member and the connecting ring of the present invention in a vertical direction.

Fig. 10 is an exploded view of the screed and clamping plate of the present invention in a horizontal direction.

FIG. 11 is an exploded view of the spring plate and blade of the present invention.

Reference numerals: 10. a tub body; 100. a drain pipe; 101. a first cylinder; 102. a first slide bar; 103. a second cylinder; 104. a second slide bar; 11. a charging barrel; 12. a blanking cylinder; 13. a shaft lever; 131. a feed hopper; 132. a conduit; 133. a spiral groove; 14. a motor; 15. a second telescopic rod; 16. a guide rail; 160. a third chute; 161. a limiting piece; 1611. an annular limit groove; 162. a clamping groove; 163. a clamping block; 164. a connecting ring; 1641. a second slider; 1642. a limiting ring; 165. a connecting plate; 166. a second rack; 167. a stop lever; 168. a first end; 169. a second end; 20. a drive plate; 201. a transmission block; 202. a first T-shaped chute; 203. a lower arc-shaped groove; 204. a first chute; 205. a ring member; 206. a first rack; 21. a scraper; 210. an elastic cloth; 211. a second gear; 212. a magnet; 22. a clamping plate; 221. a connecting block; 222. a drive tooth; 223. an arc scraping part; 23. a connecting rod; 231. a first gear; 232. a second chute; 233. a first slider; 24. a lifting disc; 240. a first telescopic rod; 241. an upper arc-shaped groove; 242. the second T-shaped chute; 25. a spring plate; 251. a connecting shaft; 252. and a third gear.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings. The embodiments described below by referring to the drawings are illustrative and intended to explain the present invention and should not be construed as limiting the invention.

As shown in fig. 1-6, a centrifugal dehydrator comprises a barrel body 10, a charging basket 11 is coaxially and rotatably arranged in the barrel body 10, an opening is formed in the top of the charging basket 11, a plurality of through holes for dehydration are formed in the periphery of the charging basket 11, a drain pipe 100 is arranged at the bottom of the barrel body 10, after resin in the charging basket 11 is dehydrated, water can flow into the barrel body 10 and be discharged through the drain pipe 100, four scraping plates 21 are arranged in the charging basket 11, the scraping plates 21 can move up and down in the charging basket 11, one side of each scraping plate 21 is provided with an arc-shaped surface matched with the inner wall of the charging basket 11, a clamping plate 22 is rotatably arranged on the other side of each scraping plate 21, and when the arc-shaped surface is attached to the inner wall of the charging basket 11 and the scraping plates 21 move from top to bottom, the scraping plates 21 can scrape resin particles on the inner wall of the charging basket 11 so as to prevent the resin from blocking the through holes in the charging basket 11.

The blanking barrel 12 is coaxially and fixedly arranged in the charging barrel 11, the lower end of the blanking barrel 12 extends downwards to the lower side of the barrel body 10, the shaft rod 13 is coaxially and fixedly arranged in the blanking barrel 12, the shaft rod 13 is rotationally connected with the barrel body 10, the motor 14 used for driving the shaft rod 13 to rotate is arranged above the barrel body 10, in the embodiment, the first bevel gear is coaxially and fixedly arranged at the periphery of the shaft rod 13, the second bevel gear used for driving the first bevel gear to rotate is arranged at the output end of the motor 14, a blanking channel is arranged in the shaft rod 13, the top end of the shaft rod 13 is provided with a feeding hopper 131 communicated with the blanking channel, a plurality of guide pipes 132 communicated with the blanking channel are arranged at intervals on the periphery of the shaft rod 13, the guide pipes 132 are positioned in the charging barrel 11, the guide pipes 132 are obliquely downwards arranged, and the guide pipes 132 are positioned above the blanking barrel 12, and resin particles entering the blanking channel through the feeding hopper 131 can enter the charging barrel 11 through the guide pipes 132.

The top of the charging basket 11 is provided with a driving disc 20, the driving disc 20 and the shaft rod 13 are coaxially and spirally driven, in the embodiment, the periphery of the shaft rod 13 is provided with a spiral groove 133, the driving disc 20 is provided with a transmission block 201 matched with the spiral groove 133, the barrel 10 is provided with a first cylinder 101, the telescopic end of the first cylinder 101 is fixedly provided with a first sliding rod 102, the first sliding rod 102 is vertically arranged, the driving disc 20 is coaxially provided with a first T-shaped sliding groove 202 which is in sliding fit with the first sliding rod 102, and the first T-shaped sliding groove 202 is annular, so that when the telescopic end of the first cylinder 101 moves up and down, the first sliding rod 102 can drive the driving disc 20 to move up and down.

As shown in fig. 1-8, a connecting rod 23 is fixedly arranged at the upper end of a scraping plate 21, the connecting rod 23 is vertically arranged, a lifting disk 24 is coaxially arranged above a driving disk 20, the lifting disk 24 is fixedly connected with the driving disk 20 through a first telescopic rod 240, two first telescopic rods 240 are vertically arranged, a matching hole for installing a shaft lever 13 is coaxially formed in the lifting disk 24, in the embodiment, four upper arc-shaped grooves 241 are formed at the lower end of the lifting disk 24, the top ends of the four connecting rods 23 are respectively and slidably arranged in the four upper arc-shaped grooves 241, the connecting rods 23 can synchronously move up and down along with the lifting disk 24, and note that the four upper arc-shaped grooves 241 are uniformly arranged around the circumference of the shaft lever 13, a second cylinder 103 is arranged on a barrel body 10, a second slide bar 104 is fixedly arranged at the telescopic end of the second cylinder 103, a second T-shaped slide groove 242 which is in sliding fit with the second slide bar 104 is coaxially formed at the upper end of the lifting disk 24, the second T-shaped slide groove 242 is annular, and the second slide bar 104 can move up and down when the second slide bar 104 moves up and down, and the connecting rod 23 can be driven up and down, and the lifting disk can move up and down, and the connecting rod 23 can be further driven down; the driving disc 20 is provided with lower arc grooves 203 corresponding to the four upper arc grooves 241 one by one, the lower arc grooves 203 penetrate through the upper end and the lower end of the driving disc 20, four connecting rods 23 are respectively located in the four lower arc grooves 203, a first gear 231 is coaxially and slidably arranged on the periphery of each connecting rod 23 along the axial direction, a first sliding groove 204 consistent with the length extending direction of the lower arc grooves 203 is formed in each lower arc groove 203 along the horizontal direction, an annular piece 205 is coaxially arranged on the lower end of each first gear 231, the annular piece 205 is coaxially arranged on the periphery of each connecting rod 23 and can move in the length extending direction of the corresponding first sliding groove 204, a first rack 206 matched with each first gear 231 is arranged on the inner side surface of each lower arc groove 203 along the length extending direction of the corresponding lower arc groove 203, in this embodiment, a second sliding groove 232 is formed in the periphery of each connecting rod 23 along the vertical direction, and accordingly, when each connecting rod 23 moves in the length extending direction of the lower arc grooves 203, the first gear 231 can rotate around the corresponding first rack 206, and the first gear can drive the connecting rods 23 to rotate around the corresponding first rack 231.

As shown in fig. 1 to 11, a connecting block 221 is provided at the lower end of one side of the clamping plate 22 facing the scraping plate 21, the connecting block 221 is rotatably connected with the scraping plate 21 through a first elastic member, specifically a first torsion spring, elastic cloth 210 is respectively provided at both sides of the scraping plate 21, one end of the elastic cloth 210 far away from the scraping plate 21 is fixedly connected with the clamping plate 22 corresponding to the elastic cloth, it should be noted that the clamping plate 22, the scraping plate 21 and the two elastic cloths 210 together limit an extrusion groove, a driving tooth 222 is provided at the periphery of the connecting block 221, and a second gear 211 meshed with the driving tooth 222 is rotatably mounted at the lower end of the scraping plate 21.

It should be noted that, the upper end of the clamping plate 22 has an arc scraping portion 223 which is obliquely arranged, in the initial state, the clamping plate 22 is located at one side of the scraping plate 21 away from the inner wall of the charging basket 11, and when the connecting rod 23 rotates 180 ° around its own axis, the arc scraping portion 223 faces the inner wall of the charging basket 11.

In this embodiment, the elastic plate 25 is rotatably mounted on the scraper 21, the elastic plate 25 is rotatably connected with the scraper 21 through a connecting shaft 251, a third gear 252 is coaxially rotatably mounted on the outer periphery of the connecting shaft 251 through a second elastic member, specifically a second torsion spring, the third gear 252 is meshed with the second gear 211, a magnet 212 is disposed on the scraper 21, the elastic plate 25 can be attracted by the magnet 212, a containing groove for containing the elastic plate 25 is formed on the scraper 21, in an initial state, the elastic plate 25 is attracted by the magnet 212 and is contained in the containing groove, when the clamping plate 22 rotates relative to the scraper 21 to gradually increase the extruding groove, the driving teeth 222 can drive the second gear 211 to rotate and then drive the third gear 252 to enable the second elastic member to continuously store force, and when the driving force of the second elastic member to the elastic plate 25 is greater than the attraction force of the magnet 212 to the elastic plate 25, the elastic plate 25 can be instantaneously separated from the magnet 212 and rotate relative to the scraper 21.

Four second telescopic rods 15 are uniformly arranged on the outer peripheral side of the shaft rod 13, the second telescopic rods 15 extend along the radial direction of the shaft rod 13 and are fixedly connected with the shaft rod 13, the second telescopic rods 15 are located above the guide pipes 132 and below the spiral grooves 133, guide rails 16 are arranged at one ends of the second telescopic rods 15 far away from the shaft rod 13, the four guide rails 16 are uniformly arranged along the outer peripheral side of the shaft rod 13, the guide rails 16 are arc-shaped and are coaxially arranged with the charging basket 11, slide holes are formed in the guide rails 16 and are arc-shaped and coaxially arranged with the charging basket 11, the slide holes penetrate through the upper end and the lower end of the guide rails 16, third slide grooves 160 consistent with the length extending direction of the slide holes are formed in the inner walls of the slide holes along the horizontal direction, limiting pieces 161 are slidably mounted in the third slide grooves 160 along the horizontal direction, the limiting pieces 161 can slide along the length extending direction of the guide rails 16, the limiting pieces 161 can not rotate relative to the guide rails 16, clamping grooves 162 are formed in the side surfaces of the limiting pieces 161 in a sleeved mode, clamping grooves 162 are formed in the side faces of the limiting pieces 161, the third slide blocks 163 are slidably mounted in the horizontal direction along the horizontal direction, and are slidably mounted in the third slide blocks 163 along the length directions, and are opposite to the third elastic clamping pieces 163 and are connected to the third elastic clamping pieces and are capable of being connected to the third elastic clamping pieces.

The connecting ring 164 is rotatably arranged on the inner ring side of the limiting piece 161, the connecting ring 164 is coaxially arranged on the outer peripheral side of the connecting rod 23, the inner ring side of the connecting ring 164 is provided with a second sliding block 1641 matched with the second sliding groove 232, therefore, the connecting ring 164 can be driven to synchronously rotate around the axis of the connecting rod 23 when the connecting rod 23 rotates around the axis of the connecting rod 23, the limiting ring 1642 is arranged on the outer peripheral side of the connecting ring 164, an annular limiting groove 1611 used for rotatably arranging the limiting ring 1642 is formed on the inner ring side of the limiting piece 161, the lower end of the connecting ring 164 extends downwards to the lower side of the guide rail 16, a connecting plate 165 and a stopping rod 167 are fixedly arranged at the lower end of the connecting ring 164, the connecting plate 165 and the stopping rod 167 respectively extend downwards in the vertical direction, a second rack 166 is fixedly arranged at the lower end of the connecting plate 165, the lower end of the second rack 166 is arranged in the vertical direction, the lower end of the second rack 166 is close to the bottom of the material barrel 11, the second rack 166 is intermittent, a matching groove used for connecting plate 165 and the second rack 166 is formed in the vertical direction on one side of the arc-shaped surface of the connecting plate 21, the second rack 166 can be meshed with the second rack 166 in the intermittent direction and can be driven to the second rack 166 in the intermittent direction and can move along the intermittent direction with the second rack 166, and the second rack 166 can move along the intermittent direction and the second rack 166 and the intermittent direction in the direction and the direction can move along the second rack bar 211 and the intermittent direction with the second rack 166 and the second rack 166 can move along the direction and the second rack bar and the speed.

The stopping rod 167 is located at a side of the scraper 21 facing the clamping plate 22, when the scraper 21 moves above the second rack 166 in the vertical direction, the clamping plate 22 can stop against the stopping rod 167, and as the scraper 21 continues to move upwards, the stopping rod 167 can drive the clamping plate 22 to rotate relative to the scraper 21, so that the extrusion groove gradually increases, and it should be noted that, taking one of the guide rails 16 as an example, the guide rail 16 has a first end 168 and a second end 169, the first end 168 and the second end 169 are respectively two ends of the guide rail 16 along the length extending direction thereof, and the clamping blocks 163 are respectively adjacent to the first end 168 and the second end 169.

The specific working principle is as follows: referring to fig. 1-11, in an initial state, the transmission block 201 is located in the middle position of the spiral groove 133, the connecting rod 23 is located at an end of the lower arc groove 203 corresponding to the connecting rod, which is far away from the shaft 13, the connecting rod 23 is located at the first end 168 of the guide rail 16 corresponding to the connecting rod, the clamping block 163, which is close to the first end 168, is located in the clamping groove 162 to prevent the limiting member 161 from sliding relative to the guide rail 16, the scraper 21 is located above the second rack 166, at this time, the second gear 211 is not engaged with the second rack 166, and all the four second telescopic rods 15 are not compressed.

The motor 14 is then started to rotate the barrel 11 clockwise (looking from top to bottom along the axial direction of the shaft rod 13), at this time, the shaft rod 13 can drive the driving disc 20 and the lifting disc 24 to rotate synchronously, then resin particles to be processed are added into the barrel 11 through the feed hopper 131, under the centrifugal action of the barrel 11, resin can adhere to the inner wall of the barrel 11, then the second cylinder 103 is controlled to enable the four scrapers 21 to move downwards synchronously, in the process, the scrapers 21 can scrape the resin on the inner wall of the barrel 11 to avoid plugging the through holes on the barrel 11 by the resin, the second gear 211 can be meshed with the corresponding second racks 166, so that the clamping plate 22 is in reciprocating approaching to the scrapers 21, and accordingly the clamping plate 22 can stir the resin particles adhered to the inner wall of the barrel 11 reciprocally, so that the resin particles with more water content can move to a position close to the inner wall of the barrel 11, and the dehydration drying speed of the resin particles is accelerated.

When the scraper 21 moves down to the bottom of the bucket 11, the first cylinder 101 is controlled so that the driving disk 20 moves down relative to the shaft 13 so that the transmission block 201 moves down to the lowermost end of the spiral groove 133 relative to the spiral groove 133, in the process, under the cooperation of the transmission block 201 and the spiral groove 133, the driving disk 20 can rotate clockwise (looking from top to bottom along the axial direction of the shaft 13) relative to the shaft 13, the four connecting rods 23 are still respectively located at the first ends 168 of the guide rails 16 corresponding thereto, the four second telescopic rods 15 are respectively contracted gradually under the resisting action of the four connecting rods 23, the first gear 231 gradually moves along the lower arc-shaped groove 203 corresponding thereto to the end of the lower arc-shaped groove 203 close to the shaft 13, and at the same time, the first gear rack 206 drives the first gear 231 to rotate, and when the first gear 231 moves along the lower arc-shaped groove 203 corresponding thereto to the end of the lower arc-shaped groove 203, the first gear 231 drives the connecting rods 23 to rotate 180 ° around the own axis, at this time the arc-shaped scraping portions 223 face the inner walls of the bucket 11 and the arc-shaped scraping portions 223 have gaps between the inner walls 223 and the inner walls of the bucket 11.

Next, the second cylinder 103 is controlled so that the four blades 21 are moved upward simultaneously, during which the arc-shaped scraping portion 223 is capable of collecting most of the dried resin particles far from the inner wall of the hopper 11 into the pressing tank, and some of the resin particles bonded into the block are also fed into the pressing tank, and as the four blades 21 are moved upward simultaneously, the second gear 211 is capable of engaging with the second rack gear 166 corresponding thereto so that the chucking plate 22 is reciprocally brought close to the blades 21, whereby the chucking plate 22 is capable of intermittently engaging the resin particles bonded into the block in the pressing tank so that the resin particles bonded into the block are dispersed.

When the scraper 21 moves above the second rack 166, the first cylinder 101 is controlled to move the driving disk 20 upwards relative to the shaft 13 until the transmission block 201 moves to the middle position of the spiral groove 133, in the process, under the cooperation of the transmission block 201 and the spiral groove 133, the driving disk 20 can rotate anticlockwise relative to the shaft 13 (looking down from top to bottom along the axial direction of the shaft 13), the four connecting rods 23 are still respectively located at the first ends 168 of the corresponding guide rails 16, the four second telescopic rods 15 are respectively stretched gradually under the stopping action of the four connecting rods 23, the first gear 231 gradually moves to the end of the lower arc groove 203 away from the shaft 13 along the lower arc groove 203 corresponding to the first gear 231, meanwhile, the first rack 206 drives the first gear 231 to rotate, and when the first gear 231 moves to the end of the lower arc groove 203 away from the shaft 13 along the lower arc groove 203 corresponding to the first gear 231, the first gear 231 drives the connecting rods 23 to rotate 180 ° around the own axis, and the arc surface of the scraper 21 returns to the state of being matched with the inner wall of the bucket 11 again.

Next, the second cylinder 103 is controlled so that the four blades 21 continue to move upward simultaneously, in which the clamp plate 22 can be stopped by the stopper 167 so that the stopper 167 drives the clamp plate 22 to rotate relative to the blades 21 until the angle between the clamp plate 22 and the blades 21 is close to 120 °, in which the pressing groove is gradually increased, the second elastic member continuously accumulates force, and then the elastic plate 25 can be instantaneously separated from the magnet 212 and rotated relative to the blades 21, so that the elastic plate 25 can smoothly push out the resin particles in the pressing groove from the pressing groove so that the resin particles in the pressing groove can be smoothly poured downward, in which the resin particles which are not sufficiently dehydrated and dried can be rapidly moved toward the inner wall of the charging basket 11 due to the existence of centrifugal force of the charging basket 11, and the dried resin particles can be dropped into the charging basket 12 in the falling process and cannot be moved toward the inner wall of the charging basket 11 due to the small centrifugal force, so that the dried resin particles can be discharged from the charging basket 12 downward.

Next, the second cylinder 103 is controlled to move down the four scrapers 21 synchronously, so that the clamping plate 22 is separated from the stopping of the stopping rod 167, in the process, the clamping plate 22 rotates relative to the scrapers 21 and gradually approaches the scrapers 21, the driving teeth 222 can drive the second gear 211 to rotate reversely, and then drive the third gear 252 to rotate reversely, so that the spring plate 25 is reset and stored in the storage groove, and the spring plate 25 is sucked by the magnet 212.

Subsequently, the first cylinder 101 is controlled so that the driving disk 20 moves upward relative to the shaft 13, so that the transmission block 201 moves upward relative to the spiral groove 133 to the uppermost end of the spiral groove 133, during which the driving disk 20 can rotate counterclockwise (viewed from above along the axial direction of the shaft 13) relative to the shaft 13 under the cooperation of the transmission block 201 and the spiral groove 133, the four links 23 are respectively kept stationary at positions corresponding to the lower arc-shaped groove 203 thereof at the end far from the shaft 13, the four second telescopic links 15 stop telescoping, and the clamping blocks 163 near the first ends 168 are disengaged from the clamping grooves 162, so that the four links 23 move with the driving disk 20 from the first ends 168 to the second ends 169 of the corresponding guide rails 16, and then the clamping blocks 163 near the second ends 169 enter the clamping grooves 162 to prevent the sliding of the limiting piece 161 relative to the guide rails 16, at which the four links 23 are respectively located at the second ends 169 of the corresponding guide rails 16, so that the four scrapers 21 respectively rotate at a certain angle relative to the inner wall of the barrel 11 in the circumferential direction of the barrel 11.

Then, the second cylinder 103 is controlled so that the four scrapers 21 move down synchronously, in the process, the scrapers 21 can scrape down the resin on the inner wall of the material barrel 11 so as to avoid the resin from plugging the through holes on the material barrel 11, the second gear 211 can be meshed with the second racks 166 corresponding to the second gear 211 so that the clamping plate 22 is close to the scrapers 21 in a reciprocating manner, and the clamping plate 22 can stir the resin particles attached to the inner wall of the material barrel 11 in a reciprocating manner so that the resin particles with more water content can move to a position close to the inner wall of the material barrel 11, thereby accelerating the dehydration and drying speed of the resin particles.

When the scraper 21 moves down to the bottom of the bucket 11, the first cylinder 101 is controlled so that the driving disk 20 moves down relative to the shaft 13 to move the transmission block 201 down to the middle position of the spiral groove 133 relative to the spiral groove 133, during which, when the driving block 201 and the spiral groove 133 cooperate, the driving disk 20 can rotate clockwise (looking from top to bottom along the axial direction of the shaft 13) relative to the shaft 13, the four connecting rods 23 are still respectively located at the second ends 169 of the guide rails 16 corresponding thereto, the four second telescopic rods 15 are respectively contracted gradually under the resisting action of the four connecting rods 23, the first gear 231 gradually moves along the lower arc-shaped groove 203 corresponding thereto to the end of the lower arc-shaped groove 203 close to the shaft 13, and at the same time, the first gear rack 206 drives the first gear 231 to rotate, and when the first gear 231 moves along the lower arc-shaped groove 203 corresponding thereto to the end of the lower arc-shaped groove 203 close to the shaft 13, the first gear 231 drives the connecting rods 23 to rotate 180 ° around the own axis, at this time the arc-shaped scraping portions 223 face the inner walls of the bucket 11 and the arc-shaped scraping portions 223 have gaps between the inner walls 223 and the inner walls of the bucket 11.

When the scraper 21 moves above the second rack 166, the first cylinder 101 is controlled so that the driving disk 20 moves downward relative to the shaft 13 until the transmission block 201 moves to the lowermost end of the spiral groove 133, during which the driving disk 20 can rotate clockwise (viewed from above along the axial direction of the shaft 13) relative to the shaft 13 under the cooperation of the transmission block 201 and the spiral groove 133, the four links 23 are located at one end of the corresponding lower arc-shaped groove 203 near the shaft 13 and remain stationary, the clamping blocks 163 near the second ends 169 are disengaged from the clamping grooves 162, the four links 23 move with the driving disk 20 from the second ends 169 to the first ends 168 of the corresponding guide rails 16, and then the clamping blocks 163 near the first ends 168 enter the clamping grooves 162 to prevent the limiting member 161 from sliding relative to the guide rails 16, at which time the second telescopic rod 15 is in a contracted state.

Next, the first cylinder 101 is controlled so that the driving disk 20 moves upward relative to the shaft 13 until the transmission block 201 moves to the middle position of the spiral groove 133, during which, under the cooperation of the transmission block 201 and the spiral groove 133, the driving disk 20 can rotate counterclockwise (from top to bottom along the axial direction of the shaft 13) relative to the shaft 13, the four connecting rods 23 are still respectively located at the first ends 168 of the guide rails 16 corresponding thereto, the four second telescopic rods 15 are respectively elongated gradually under the resisting action of the four connecting rods 23, the first gear 231 gradually moves along the lower arc-shaped groove 203 corresponding thereto to the end of the lower arc-shaped groove 203 away from the shaft 13, and at the same time, the first rack 206 drives the first gear 231 to rotate, and when the first gear 231 moves along the lower arc-shaped groove 203 corresponding thereto to the end of the lower arc-shaped groove 203 away from the shaft 13, the first gear 231 drives the connecting rods 23 to rotate so that the connecting rods 23 rotate 180 ° around the own axis, at this time, the arc-shaped surface of the scraper 21 returns to the state of being matched with the inner wall of the bucket 11 again.

So far, the transmission block 201, the connecting rod 23, the scraping plate 21 and the second telescopic rod 15 are all returned to the initial state, the clamping block 163 close to the first end 168 is located in the clamping groove 162, at this time, the four scraping plates 21 carry out a complete scraping treatment on the inner wall of the charging basket 11, in the process, dry resin particles are continuously discharged downwards from the blanking barrel 12, and water which is removed from the resin particles can flow into the barrel body 10 and is discharged through the drain pipe 100.

It will be appreciated that during operation, the resin pellets to be dewatered may be continuously fed into the barrel 11 through the hopper 131 and the above process repeated continuously to effect continuous discharge of the dried resin pellets downwardly from the lower barrel 12.

While embodiments of the present invention have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the invention, and that variations, modifications, alternatives and variations may be made to the above embodiments by one of ordinary skill in the art within the scope of the invention.

Claims

1. A centrifugal dehydrator, comprising:

The barrel body (10) is coaxially and rotatably provided with the barrel body (11) in the barrel body (10), the barrel body (11) is coaxially and fixedly provided with the blanking barrel (12), the blanking barrel (12) is coaxially and fixedly provided with the shaft lever (13), a blanking channel is arranged in the shaft lever (13), resin particles can enter the barrel body (11) through the blanking channel, four scrapers (21) are arranged in the barrel body (11), one side of each scraper (21) is provided with an arc-shaped surface matched with the inner wall of the barrel (11), the other side of each scraper (21) is rotatably provided with a clamping plate (22), two sides of each scraper (21) are respectively provided with elastic cloth (210), one end of each elastic cloth (210) far away from each scraper (21) is fixedly connected with the clamping plate (22), the clamping plates (22) are jointly limited by an extrusion groove, when the arc-shaped surfaces are attached to the inner wall of the barrel (11) and the scrapers (21) move from top to bottom, the scrapers (21) can scrape the resin particles on the inner wall of the barrel (11), the clamping plates (22) can be moved from top to bottom to top to the clamping plates (21) when the scrapers (21) are attached to the inner wall (21) and the resin particles are contained in the clamping plates (11), the clamping plate (22) can be reciprocally close to the scraping plate (21) so that the resin particles bonded into blocks are dispersed, and when the arc surface is attached to the inner wall of the charging basket (11) and the resin particles in the extrusion groove are poured downwards, the dried resin particles can fall into the blanking barrel (12) and are discharged downwards;

A driving disc (20) is arranged at the top of the charging basket (11), a spiral groove (133) is formed in the periphery of the shaft lever (13), a transmission block (201) matched with the spiral groove (133) is arranged on the driving disc (20), the driving disc (20) can move up and down, a connecting rod (23) is fixedly arranged at the upper end of the scraping plate (21), the connecting rod (23) is vertically arranged and can move up and down, lower arc grooves (203) which are in one-to-one correspondence with the four connecting rods (23) are formed in the driving disc (20), the four lower arc grooves (203) are uniformly arranged around the circumference of the shaft lever (13), and when the connecting rod (23) moves in the lower arc grooves (203) along the length extending direction of the connecting rod, the connecting rod (23) can rotate around the axis of the driving disc;

The lower end of one side of the clamping plate (22) facing the scraping plate (21) is provided with a connecting block (221), the connecting block (221) is rotationally connected with the scraping plate (21) through a first elastic piece, the periphery of the connecting block (221) is provided with a driving tooth (222), the lower end of the scraping plate (21) is rotationally provided with a second gear (211) meshed with the driving tooth (222), the scraping plate (21) is rotationally provided with a spring plate (25), the spring plate (25) is rotationally connected with the scraping plate (21) through a connecting shaft (251), the periphery of the connecting shaft (251) is coaxially rotationally provided with a third gear (252) through a second elastic piece, the third gear (252) is meshed with the second gear (211), the scraping plate (21) is provided with a magnet (212), the spring plate (25) can be attracted by the magnet (212), a containing groove for containing the spring plate (25) is formed in the scraping plate (21), and the spring plate (22) rotates relative to the scraping plate (21) so that when the second elastic piece gradually extrudes the groove increases;

Four second telescopic rods (15) are uniformly arranged on the outer peripheral side of the shaft rod (13), the second telescopic rods (15) extend along the radial direction of the shaft rod (13) and are fixedly connected with the shaft rod (13), the second telescopic rods (15) are positioned below the spiral grooves (133), guide rails (16) are arranged at one ends, far away from the shaft rod (13), of the second telescopic rods (15), the four guide rails (16) are uniformly arranged along the outer peripheral side of the shaft rod (13), the guide rails (16) are arc-shaped and are coaxially arranged with the charging basket (11), sliding holes are formed in the guide rails (16), the sliding holes are arc-shaped and are coaxially arranged with the charging basket (11), third sliding grooves (160) which are consistent with the length extending direction of the sliding holes are formed in the inner walls of the sliding holes in the horizontal direction, limiting pieces (161) can slide along the length extending direction of the guide rails (16), clamping grooves (162) are formed in the side surfaces of the limiting pieces (161), clamping blocks (163) are arranged in the third sliding grooves (160) in the horizontal direction, and the clamping pieces (163) can be prevented from sliding relative to the guide rails (16) through the third sliding pieces (163) and the clamping pieces (161);

A connecting ring (164) is rotatably arranged on the inner ring side of the limiting piece (161), the connecting ring (164) is coaxially arranged on the outer peripheral side of the connecting rod (23), the connecting ring (164) can be driven to synchronously rotate around the axis of the connecting rod (23) when the connecting rod (23) rotates around the axis of the connecting rod (23), a connecting plate (165) and a stopping rod (167) are fixedly arranged at the lower end of the connecting ring (164), the connecting plate (165) and the stopping rod (167) respectively extend downwards along the vertical direction, a second rack (166) is fixedly arranged at the lower end of the connecting plate (165), the second rack (166) is arranged along the vertical direction, the lower end of the second rack (166) is close to the bottom of the charging basket (11), the second rack (166) is an intermittent rack, and the second gear (211) can be meshed with the second rack (166);

The stopping rod (167) is located on one side of the scraping plate (21) towards the clamping plate (22), when the scraping plate (21) moves to the upper portion of the second rack (166) along the vertical direction, the clamping plate (22) can be stopped against the stopping rod (167), when the scraping plate (21) continues to move upwards, the stopping rod (167) can drive the clamping plate (22) to rotate relative to the scraping plate (21) so that the extrusion groove is gradually increased, the guide rail (16) is provided with a first end (168) and a second end (169), the first end (168) and the second end (169) are respectively two ends of the guide rail (16) along the length extending direction, and the clamping blocks (163) are two and are respectively close to the first end (168) and the second end (169).

2. The centrifugal dehydrator according to claim 1, wherein a lifting disc (24) is coaxially arranged above the driving disc (20), the lifting disc (24) is fixedly connected with the driving disc (20) through a first telescopic rod (240), a matching hole for installing a shaft lever (13) is coaxially formed in the lifting disc (24), four upper arc-shaped grooves (241) in one-to-one correspondence with the lower arc-shaped grooves (203) are formed in the lower end of the lifting disc (24), the top ends of the four connecting rods (23) are respectively and slidably arranged in the four upper arc-shaped grooves (241), and the connecting rods (23) can move up and down synchronously with the lifting disc (24).

3. A centrifugal dehydrator according to claim 1, characterized in that the upper end of the clamping plate (22) is provided with an arc-shaped scraping part (223) arranged obliquely.

4. The centrifugal dehydrator according to claim 1, wherein a first gear (231) is coaxially and slidably mounted along the axial direction of the connecting rod (23), a first chute (204) consistent with the length extension direction of the first chute is formed in the lower arc-shaped groove (203) along the horizontal direction, an annular piece (205) is coaxially arranged at the lower end of the first gear (231), the annular piece (205) is coaxially sleeved on the outer periphery of the connecting rod (23) and can move along the length extension direction of the first chute (204), a first rack (206) matched with the first gear (231) is arranged on the inner side surface of the lower arc-shaped groove (203) along the length extension direction of the inner side surface of the connecting rod (23), a second chute (232) is formed in the outer periphery of the connecting rod (23) along the vertical direction, and a first slider (233) matched with the second chute (232) is arranged on the inner ring side of the first gear (231).

5. The centrifugal dehydrator according to any one of claims 1-4, wherein the top of the charging basket (11) is provided with an opening, a plurality of through holes for dehydration are formed in the periphery of the charging basket (11), a drain pipe (100) is installed at the bottom of the charging basket (10), the lower end of the blanking barrel (12) extends downwards to the lower side of the charging basket (10), the shaft rod (13) is rotationally connected with the charging basket (10), a motor (14) for driving the shaft rod (13) to rotate is installed above the charging basket (10), a plurality of guide pipes (132) communicated with the blanking channel are arranged at intervals on the periphery of the shaft rod (13), the guide pipes (132) are located in the charging basket (11) and are obliquely downwards arranged, and the guide pipes (132) are located above the blanking barrel (12).