CN112476833A

CN112476833A - Granulating device for producing PVC granules with uniform granulation

Info

Publication number: CN112476833A
Application number: CN202011411036.0A
Authority: CN
Inventors: 不公告发明人
Original assignee: Nanjing Langkaian Toys Co ltd
Current assignee: Nanjing Langkaian Toys Co ltd
Priority date: 2020-12-03
Filing date: 2020-12-03
Publication date: 2021-03-12

Abstract

The invention discloses a granulating device for producing uniformly-granulated PVC granules, and relates to the field of PVC production granulation. The device is reasonable in structure, when the stirring motor is started, the stirring rod can be driven to rotate to stir and mix, the hot melting box can be driven to rotate at the same time, raw materials can be heated uniformly, the hot melting speed is accelerated, PVC granules with different sizes can be produced and manufactured by arranging a plurality of groups of different granulating holes in the adjusting disc, the application range of the device is improved, the fan blades can be driven to rotate to perform blowing cooling treatment by starting the heat dissipation motor, the carding brush can be driven to move back and forth to clean and dredge the screening net, and the phenomenon that the screening net is blocked can be effectively avoided.

Description

Granulating device for producing PVC granules with uniform granulation

Technical Field

The invention relates to the field of PVC (polyvinyl chloride) production granulation, in particular to a granulating device for producing uniformly-granulated PVC granules.

Background

Polyvinyl chloride (pvc), which is abbreviated as pvc (polyvinyl chloride), is a polymer obtained by polymerizing vinyl chloride monomer in the presence of initiators such as peroxides and azo compounds, or in the presence of light and heat according to a free radical polymerization mechanism. A granulating device is needed when PVC granules are produced.

Present prilling granulator generally only is simple heating when the hot raw materials that melts and melts, it is inhomogeneous to be heated possibly between the raw materials, it is slower to lead to hot melt speed, a large amount of time of waste, and present prilling granulator can only produce the PVC grain of a size mostly when the granulation, when needing production to produce the PVC grain of equidimension not, need change another kind of prilling granulator, application scope is less, for this, the application discloses an even PVC grain of granulation is produced and is satisfied people's demand with prilling granulator.

Disclosure of Invention

The utility model aims at providing a granulation device is used in production of even PVC grain of granulation to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above purpose, the present application provides the following technical solutions: a granulating device for producing PVC granules with uniform granulation comprises a base, wherein two support columns are fixedly mounted on the top side of the base, the top sides of the two support columns are fixedly mounted with a same fixing ring, a hot melting box is rotatably mounted in the fixing ring, an L-shaped base is fixedly mounted on the top side of the fixing ring, a stirring motor is fixedly mounted on the bottom side of the L-shaped base, the output end of the stirring motor is in driving connection with a driving shaft, a rotating mechanism is arranged on the fixing ring, the bottom end of the driving shaft extends into the hot melting box, a plurality of stirring rods are uniformly and fixedly mounted on the peripheral side of the driving shaft in the hot melting box, a plurality of heaters are uniformly and fixedly mounted on the peripheral side inner wall of the hot melting box, one side of the two support columns, which are close to each other, is fixedly mounted with a same, the bottom fixed mounting of communicating pipe is in on the top side of granulation case, be provided with granulation mechanism on the granulation case, the top side fixed mounting of base has the processing case, one of them be provided with cooling body on the support column, fixed mounting has same screening net on the week side inner wall of processing case, processing case one side has seted up the spout, slidable mounting has the collection box in the spout, it prevents stifled mechanism to be provided with in the case to handle.

Borrow by above-mentioned structure, when starting agitator motor, can drive the driving shaft and rotate, and then can drive a plurality of puddlers and rotate and stir the mixture for the raw materials can be fully heated evenly, has accelerated the speed of hot melt, has practiced thrift the time, through the setting of screening net, can filter the PVC grain, finally can obtain qualified PVC grain.

Preferably, slewing mechanism includes bull stick, driving gear and driven ring gear, the bull stick rotates to be installed on solid fixed ring's the top side, the driving gear fixed cup joints on the bull stick, driven ring gear fixed cup joints on the hot melting case, the driving gear with driven ring gear meshes mutually, the bull stick with be provided with a drive assembly between the driving shaft.

Furthermore, through the setting of slewing mechanism, can drive the hot melting case and take place to rotate for the raw materials can further fully be heated evenly.

Preferably, the first driving assembly comprises two first driving wheels and a first belt, the two first driving wheels are respectively and fixedly sleeved on the rotating rod and the driving shaft, and the first belt is movably sleeved on the two first driving wheels.

Furthermore, through the arrangement of the first driving assembly, the driving shaft can rotate while driving the rotating mechanism to operate, and the multistage application of the power of the stirring motor is realized.

Preferably, a control valve is sleeved on the communicating pipe, and the communicating pipe is controlled by the control valve.

Furthermore, through the setting of control valve, can control the raw materials in the hot melting case for the raw materials can get into the granulation case again and granulate after fully hot melting.

Preferably, granulation mechanism includes two booster pumps, adjustment disk, cutting motor and cutting blade, two the equal fixed mounting of booster pump is in on the top side inner wall of granulation case, the adjustment disk rotates to be installed on the bottom side of granulation case, evenly seted up a plurality of discharge openings on the bottom side inner wall of granulation case, the granulation hole that the multiunit is different is evenly seted up to the bottom side of adjustment disk, the multiunit is different the granulation hole all with discharge opening looks adaptation, cutting motor fixed mounting is in on the bottom side of granulation case, cutting blade fixed mounting be in on the output of cutting motor, cutting blade with the bottom side of adjustment disk contacts, the granulation case with be provided with fixed establishment between the adjustment disk.

Furthermore, through the setting of granulation mechanism, can carry out granulation to the raw materials of hot melt and handle, through the setting of adjustment disk, can realize producing the PVC granule of equidimension not, improve the application scope of device.

Preferably, fixed block fixed mounting includes fixed block, a plurality of joint piece, handle piece and kelly, fixed block fixed mounting is in on the week side outer wall of granulation case, it is a plurality of the joint hole has all been seted up to the top side of joint piece, and is a plurality of the equal fixed mounting of joint piece is in week side of adjustment disk is a plurality of the joint piece is different with the multiunit respectively the position in granulation hole is corresponding, the handle piece is located directly over the fixed block, kelly fixed mounting is in on the bottom side of handle piece, the bottom of kelly runs through the fixed block extends to one of them the joint is downthehole.

Furthermore, through the setting of fixed establishment, can fix or loosen the adjustment disk, and then the accessible rotates the adjustment disk and realizes adjusting the not equidimension of PVC grain.

Preferably, the clamping rod is sleeved with a return spring, and two ends of the return spring are respectively and fixedly connected with the top side of the fixed block and the bottom side of the handle block.

Furthermore, through the arrangement of the return spring, the clamping rod can automatically return and keep a fixed state, and the stability of the fixing mechanism is improved.

Preferably, the cooling mechanism comprises a heat dissipation motor, a motor shaft and fan blades, the heat dissipation motor is fixedly installed on one side of one of the support columns, one end of the motor shaft is in driving connection with the output end of the heat dissipation motor, and the other end of the motor shaft is fixedly connected with the fan blades.

Further, through cooling body's setting, can carry out the cooling process of blowing to the PVC grain after the cutting, effectively accelerate the shaping speed of PVC grain, but the integrated into one piece granulation no longer need cool off once more to the PVC grain, has reduced latency, has improved the production speed of device.

Preferably, the anti-blocking mechanism comprises a reciprocating screw rod, a guide rod, a moving block and a combing brush, the reciprocating screw rod is rotatably installed on the inner walls of two sides, far away from each other, of the treatment box, the guide rod is fixedly installed on the inner walls of two sides, far away from each other, of the treatment box, the moving block is slidably sleeved on the reciprocating screw rod and the guide rod, the moving block moves left and right under the driving of the reciprocating screw rod, the combing brush is fixedly installed on the top side of the moving block, the combing brush is in contact with the bottom side of the screening net, and one end of the reciprocating screw rod extends out of the treatment box and is provided with a second driving assembly between the reciprocating screw rod and the motor shaft.

Furthermore, through the arrangement of the anti-blocking mechanism, the blocking phenomenon of the screening net during screening can be effectively avoided, the screening effect of the screening net is ensured, and the practicability of the device is improved.

Preferably, the second driving assembly comprises two second driving wheels and a second belt, the two second driving wheels are respectively and fixedly sleeved on the reciprocating screw rod and the motor shaft, and the second belt is movably sleeved on the two second driving wheels.

Furthermore, through the arrangement of the second driving assembly, the motor shaft can rotate while the anti-blocking mechanism is driven to operate, and the multistage application of the power of the heat dissipation motor is realized.

In conclusion, the technical effects and advantages of the invention are as follows:

1. the stirring device is reasonable in structure, when the stirring motor is started, the driving shaft can be driven to rotate, the stirring rods can be driven to rotate to stir and mix, meanwhile, the driving shaft rotates to drive the rotating rods to rotate through the two first driving wheels and the first belt, the rotating rods rotate to drive the driving gear to rotate, and the driving gear rotates to drive the driven toothed ring and the hot melting box to rotate, so that raw materials can be fully and uniformly heated, the hot melting speed is increased, and the time is saved;

2. according to the invention, after hot melting is finished, the control valve can be opened, so that the hot-melted raw materials fall into the granulating tank, the booster pump and the cutting motor can be started at the moment, the operation of the booster pump can increase the pressure in the granulating tank, so that the hot-melted raw materials are extruded out through the discharge hole and the granulating hole, the operation of the cutting motor can drive the cutting blade to rotate for cutting, so that granulating work can be finished, PVC cut into granules can fall onto the screening net for screening under the action of gravity, and finally qualified PVC granules can be obtained;

3. according to the PVC granulating device, when the handle block is pulled, the reset spring is stretched, the clamping rod is driven to move upwards at the same time until the clamping rod moves out of one of the clamping blocks, the rotatable adjusting disc drives a plurality of groups of different granulating holes to rotate at the moment, after the clamping rod rotates to a proper position, the handle block is loosened, the clamping rod is driven to automatically reset and move into the other clamping block under the elastic force action of the reset spring, and then the adjusting disc can be fixed, so that PVC granules with different sizes can be produced, and the application range of the device is improved;

4. in the granulating process, the heat-radiating motor can be started, the heat-radiating motor can drive the motor shaft to rotate when running, the motor shaft rotates to drive the fan blades to rotate, and then the cut PVC granules can be subjected to air blowing cooling treatment, so that the forming speed of the PVC granules is effectively accelerated, the PVC granules can be integrally formed and granulated, the PVC granules do not need to be cooled again, the waiting time is reduced, and the production speed of the device is improved;

5. according to the invention, when the motor shaft rotates, under the action of the two second driving wheels and the second belt, the motor shaft rotates to drive the reciprocating screw rod to rotate, the reciprocating screw rod rotates to drive the moving block to move, and then the carding brush can be driven to move back and forth to clean and dredge the screening net, so that the blocking phenomenon of the screening net during screening can be effectively avoided, the screening effect of the screening net is ensured, and the practicability of the device is improved.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic perspective view of another embodiment of the present invention;

FIG. 3 is a partially enlarged view of FIG. 1;

FIG. 4 is a partially enlarged view of FIG. 2;

FIG. 5 is a schematic view of the internal structure of the hot melt tank of the present invention;

FIG. 6 is a schematic view showing the internal structure of a granulation tank according to the present invention;

FIG. 7 is a partially enlarged view of FIG. 6;

FIG. 8 is a schematic view showing the internal structure of a treatment tank of the present invention;

fig. 9 is an enlarged schematic view of a portion a in fig. 8.

In the figure: 1. a base; 2. a support pillar; 3. a fixing ring; 4. a hot melting box; 5. a stirring motor; 6. a drive shaft; 7. a stirring rod; 8. a heater; 9. a granulation box; 10. a control valve; 11. a treatment tank; 12. screening a net; 13. a collection box; 14. a rotating rod; 15. a driving gear; 16. a driven gear ring; 17. a first drive pulley; 18. a first belt; 19. a booster pump; 20. an adjusting disk; 21. cutting the motor; 22. a cutting blade; 23. a fixed block; 24. a clamping block; 25. a handle block; 26. a clamping rod; 27. a return spring; 28. a heat dissipation motor; 29. a motor shaft; 30. a fan blade; 31. a reciprocating screw rod; 32. a guide bar; 33. a moving block; 34. a combing brush; 35. a second transmission wheel; 36. a second belt.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example (b): referring to fig. 1-9 show a even granulation device is used in production of PVC grain of granulation, including base 1, base 1's top side fixed mounting has two support columns 2, support column 2 is fixed with the top side welding of base 1, the top side fixed mounting of two support columns 2 has same solid fixed ring 3, gu fixed ring 3 fixes with the top side spiro union of two support columns 2, gu fixed ring 3 internal rotation is installed and is melted case 4, gu fixed ring 3's top side fixed mounting has L shape frame, the bottom side fixed mounting of L shape frame has agitator motor 5, agitator motor 5 fixes with the bottom side spiro union of L shape frame.

Agitator motor 5's output drive is connected with driving shaft 6, gu be provided with slewing mechanism on the fixed ring 3, driving shaft 6's bottom extends to in the hot melt case 4, it has a plurality of puddlers 7 to be located the even fixed mounting in the week side of the driving shaft 6 of hot melt case 4, even fixed mounting has a plurality of heaters 8 on the week side inner wall of hot melt case 4, one side fixed mounting that two support columns 2 are close to each other has same granulation case 9, one side spiro union that granulation case 9 and two support columns 2 are close to each other is fixed.

The bottom side of hot melt case 4 rotates installs communicating pipe, the bottom fixed mounting of communicating pipe is on the top side of granulation case 9, be provided with granulation mechanism on the granulation case 9, the top side fixed mounting of base 1 has treatment case 11, be provided with cooling body on one of them support column 2, fixed mounting has same screening net 12 on the week side inner wall of treatment case 11, treatment case 11 one side has been seted up the spout, slidable mounting has collection box 13 in the spout, be provided with anti-blocking mechanism in the treatment case 11.

Borrow by above-mentioned structure, when starting agitator motor 5, can drive driving shaft 6 and rotate, and then can drive a plurality of puddlers 7 and rotate and stir the mixture for the raw materials can be fully heated evenly, has accelerated the speed of hot melt, has practiced thrift the time, through the setting of screening selection net 12, can filter the PVC grain, finally can obtain qualified PVC grain.

As a preferred embodiment of the present embodiment, the rotating mechanism includes a rotating rod 14, a driving gear 15 and a driven gear ring 16, the rotating rod 14 is rotatably mounted on the top side of the fixed ring 3, and the rotating rod 14 is rotatably connected to the top side of the fixed ring 3. The driving gear 15 is fixedly sleeved on the rotating rod 14, the driven gear ring 16 is fixedly sleeved on the hot melting box 4, the driving gear 15 is meshed with the driven gear ring 16, and a first driving assembly is arranged between the rotating rod 14 and the driving shaft 6.

When the rotating rod 14 rotates, the driving gear 15 is driven to rotate, the driving gear 15 rotates to drive the driven gear ring 16 and the hot melting box 4 to rotate, and therefore raw materials can be further fully heated uniformly.

As a preferred embodiment of this embodiment, the first driving assembly includes two first driving wheels 17 and a first belt 18, the two first driving wheels 17 are respectively and fixedly sleeved on the rotating rod 14 and the driving shaft 6, and the first belt 18 is movably sleeved on the two first driving wheels 17.

When the driving shaft 6 rotates, one of the first driving wheels 17 is driven to rotate, and under the action of the first belt 18, the other first driving wheel 17 and the rotating rod 14 are driven to rotate, so that the rotating mechanism can be driven to operate, and the multistage application of the power of the stirring motor 5 is realized.

As a preferred embodiment of this embodiment, a control valve 10 is sleeved on the communication pipe, and the communication pipe is controlled by the control valve 10; the raw materials in the hot melting box 4 can be controlled, so that the raw materials can be fully hot melted and then enter the granulating box 9 for granulation.

As a preferred embodiment of this embodiment, the granulation mechanism comprises two pressurizing pumps 19, a regulating disk 20, a cutting motor 21 and a cutting blade 22, wherein the two pressurizing pumps 19 are fixedly arranged on the inner wall of the top side of the granulation tank 9, the regulating disk 20 is rotatably arranged on the bottom side of the granulation tank 9, and the regulating disk 20 is rotatably connected with the bottom side of the granulation tank 9. Evenly seted up a plurality of discharge openings on the bottom side inner wall of granulation case 9, the different granulation hole of multiunit has evenly been seted up to the bottom side of adjustment disk 20, the granulation hole of multiunit difference all with discharge opening looks adaptation, cutting motor 21 fixed mounting is on the bottom side of granulation case 9, cutting blade 22 fixed mounting is on cutting motor 21's output, cutting blade 22 contacts with the bottom side of adjustment disk 20, is provided with fixed establishment between granulation case 9 and the adjustment disk 20.

When starting booster pump 19 and cutting motor 21, the pressure in the granulation case 9 can be increased in the operation of booster pump 19 for the hot melt raw materials is extruded through discharge opening and granulation hole, and cutting motor 21 operation can drive cutting blade 22 and rotate and cut, thereby can accomplish granulation work, and through the setting in the granulation hole of adjustment disk 20 and multiunit difference, can realize the not equidimension PVC grain of manufacturing simultaneously, improve device's application scope.

As a preferred implementation manner of this embodiment, the fixing mechanism includes a fixing block 23, a plurality of clamping blocks 24, a handle block 25 and a clamping rod 26, the fixing block 23 is fixedly installed on the outer wall of the periphery of the granulation tank 9, clamping holes are all opened on the top side of the clamping blocks 24, the clamping blocks 24 are all fixedly installed on the periphery of the adjusting disk 20, the clamping blocks 24 correspond to different granulation holes of multiple sets, the handle block 25 is located right above the fixing block 23, the clamping rod 26 is fixedly installed on the bottom side of the handle block 25, and the bottom end of the clamping rod 26 penetrates through the fixing block 23 and extends into one of the clamping holes.

When the handle block 25 is moved, the clamping rod 26 is driven to move, and the position relationship between the clamping rod 26 and the clamping block 24 can be known, so that the adjusting disc 20 can be fixed or loosened, and different sizes of PVC grains can be adjusted conveniently.

As a preferred embodiment of this embodiment, a return spring 27 is sleeved on the clamping rod 26, and two ends of the return spring 27 are respectively fixedly connected with the top side of the fixing block 23 and the bottom side of the handle block 25; under the action of the elastic force of the return spring 27, the clamping rod 26 can be automatically returned and kept in a fixed state, and the stability of the fixing mechanism is improved.

As a preferred embodiment of this embodiment, the cooling mechanism includes a heat dissipation motor 28, a motor shaft 29 and fan blades 30, the heat dissipation motor 28 is fixedly installed on one side of one of the support posts 2, one end of the motor shaft 29 is drivingly connected to an output end of the heat dissipation motor 28, and the other end of the motor shaft 29 is fixedly connected to the fan blades 30.

When the heat dissipation motor 28 is started, the motor shaft 29 and the fan blades 30 can be driven to rotate, then the PVC granules after cutting can be subjected to air blowing cooling treatment, the forming speed of the PVC granules is effectively accelerated, the granules can be integrally formed, the PVC granules do not need to be cooled again, the waiting time is shortened, and the production speed of the device is increased.

As a preferred embodiment of this embodiment, the anti-blocking mechanism includes a reciprocating screw rod 31, a guide rod 32, a moving block 33 and a combing brush 34, the reciprocating screw rod 31 is rotatably installed on two side inner walls of the treatment tank 11, the guide rod 32 is fixedly installed on two side inner walls of the treatment tank 11, the moving block 33 is slidably sleeved on the reciprocating screw rod 31 and the guide rod 32, the moving block 33 moves left and right under the driving of the reciprocating screw rod 31, the combing brush 34 is fixedly installed on the top side of the moving block 33, the combing brush 34 is in contact with the bottom side of the screening net 12, and one end of the reciprocating screw rod 31 extends out of the treatment tank 11 and is provided with a second driving component between the reciprocating screw rod and the motor shaft 29.

When reciprocating screw 31 rotates, can drive movable block 33 and carding brush 34 round trip movement and clear up the mediation processing to screen 12, can effectively avoid screen 12 to take place blocking phenomenon when the screening, guaranteed the screening effect of screen 12, improved the practicality of device.

As a preferred embodiment of this embodiment, the second driving assembly includes two second driving wheels 35 and a second belt 36, the two second driving wheels 35 are fixedly sleeved on the reciprocating screw rod 31 and the motor shaft 29, respectively, and the second belt 36 is movably sleeved on the two second driving wheels 35.

When the motor shaft 29 rotates, one of the second transmission wheels 35 is driven to rotate, and under the action of the second belt 36, the other second transmission wheel 35 and the reciprocating screw rod 31 are driven to rotate, so that the multi-stage application of the power of the heat dissipation motor 28 is realized.

The working principle of the invention is as follows:

when the raw materials is melted to the heat, agitator motor 5 and heater 8 can start, agitator motor 5 operation can drive driving shaft 6 and rotate, and then can drive a plurality of puddlers 7 and rotate and stir the mixture, driving shaft 6 rotates simultaneously and drives bull stick 14 through two first drive wheels 17 and first belt 18 and rotate, bull stick 14 rotates and drives driving gear 15 and rotates, driving gear 15 rotates and drives driven ring gear 16 and heat and melt case 4 and rotate, thereby can make the raw materials can fully be heated evenly, the speed of heat and melt has been accelerated, and the time is saved.

After the hot melt is accomplished, can open control valve 10, make the hot melt back raw materials fall into in the granulation case 9, can start booster pump 19 and cutting motor 21 this moment, the pressure in the granulation case 9 can be increased in the operation of booster pump 19, make the hot melt raw materials extruded through discharge opening and granulation hole, cutting motor 21 operation can drive cutting blade 22 and rotate and cut, thereby can accomplish the granulation work, the PVC of cutting granulation can drop to screening net 12 under the effect of gravity and carry out the screening, finally can obtain qualified PVC grain.

When needing the not equidimension PVC grain of manufacturing, the staff can stimulate handle piece 25, handle piece 25 removes can tensile reset spring 27, also can drive kelly 26 rebound simultaneously, outside moving out one of them joint piece 24, rotatable adjusting disk 20 drives the different pelletization hole of multiunit and rotates this moment, rotate to suitable position after, loosen handle piece 25, under reset spring 27's elastic force effect, can drive kelly 26 automatic re-setting and move into in another joint piece 24, and then can fix adjusting disk 20, thereby can realize the not equidimension PVC grain of manufacturing, improve device's application scope.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The utility model provides an even prilling granulator is used in production of PVC grain, includes base (1), its characterized in that: the improved granulation machine is characterized in that two support columns (2) are fixedly mounted on the top side of the base (1), the top sides of the two support columns (2) are fixedly mounted with the same fixing ring (3), the fixing ring (3) is rotatably mounted with a hot-melt box (4), the top side of the fixing ring (3) is fixedly mounted with an L-shaped base, the bottom side of the L-shaped base is fixedly mounted with a stirring motor (5), the output end of the stirring motor (5) is in driving connection with a driving shaft (6), the fixing ring (3) is provided with a rotating mechanism, the bottom end of the driving shaft (6) extends into the hot-melt box (4), the peripheral sides of the driving shaft (6) in the hot-melt box (4) are uniformly and fixedly mounted with a plurality of stirring rods (7), the peripheral side inner walls of the hot-melt box (4) are uniformly and fixedly mounted with a plurality of heaters (8), and the two support columns, the bottom side of hot melt case (4) is rotated and is installed communicating pipe, the bottom fixed mounting of communicating pipe is in on the top side of granulation case (9), be provided with granulation mechanism on granulation case (9), the top side fixed mounting of base (1) has processing case (11), one of them be provided with cooling body on support column (2), fixed mounting has same screening net (12) on the week side inner wall of processing case (11), the spout has been seted up to processing case (11) one side, slidable mounting has collection box (13) in the spout, be provided with anti-blocking mechanism in processing case (11).

2. The granulating device for producing uniformly granulated PVC granules as claimed in claim 1, wherein: slewing mechanism includes bull stick (14), driving gear (15) and driven ring gear (16), bull stick (14) rotate to be installed on the top side of solid fixed ring (3), driving gear (15) are fixed cup joint on bull stick (14), driven ring gear (16) are fixed cup joint on hot melt case (4), driving gear (15) with driven ring gear (16) mesh mutually, bull stick (14) with be provided with first drive assembly between driving shaft (6).

3. The granulating device for producing uniformly granulated PVC granules as claimed in claim 2, wherein: first drive assembly includes two first drive wheels (17) and first belt (18), two fixed cup joint respectively in first drive wheel (17) bull stick (14) with on driving shaft (6), first belt (18) activity cup joints two on first drive wheel (17).

4. The granulating device for producing uniformly granulated PVC granules as claimed in claim 1, wherein: the communicating pipe is sleeved with a control valve (10), and the communicating pipe is controlled by the control valve (10).

5. The granulating device for producing uniformly granulated PVC granules as claimed in claim 1, wherein: the granulation mechanism comprises two booster pumps (19), an adjusting disc (20), a cutting motor (21) and a cutting blade (22), the two booster pumps (19) are fixedly arranged on the inner wall of the top side of the granulation box (9), the adjusting disc (20) is rotatably arranged on the bottom side of the granulating tank (9), a plurality of discharging holes are uniformly formed in the inner wall of the bottom side of the granulating tank (9), a plurality of groups of different granulating holes are uniformly formed in the bottom side of the adjusting disc (20), the plurality of groups of different granulating holes are matched with the discharging hole, the cutting motor (21) is fixedly arranged on the bottom side of the granulating tank (9), the cutting blade (22) is fixedly arranged on the output end of the cutting motor (21), the cutting blade (22) is in contact with the bottom side of the adjustment disc (20), a fixing mechanism is arranged between the granulating tank (9) and the adjusting disc (20).

6. The granulating device for producing uniformly granulated PVC granules as claimed in claim 5, wherein: fixed establishment includes fixed block (23), a plurality of joint piece (24), handle piece (25) and kelly (26), fixed block (23) fixed mounting is in on the all side outer wall of prilling case (9), a plurality of the joint hole has all been seted up to the top side of joint piece (24), and is a plurality of the equal fixed mounting of joint piece (24) is in on the all side of adjusting disk (20), and is a plurality of joint piece (24) are different with the multiunit respectively the position in granulation hole is corresponding, handle piece (25) are located directly over fixed block (23), kelly (26) fixed mounting is in on the bottom side of handle piece (25), the bottom of kelly (26) is run through fixed block (23) and extend to one of them the joint is downthehole.

7. The granulating device for producing uniformly granulated PVC granules as claimed in claim 6, wherein: a return spring (27) is sleeved on the clamping rod (26), and two ends of the return spring (27) are respectively and fixedly connected with the top side of the fixed block (23) and the bottom side of the handle block (25).

8. The granulating device for producing uniformly granulated PVC granules as claimed in claim 1, wherein: the cooling mechanism comprises a heat dissipation motor (28), a motor shaft (29) and fan blades (30), the heat dissipation motor (28) is fixedly installed on one side of one of the supporting columns (2), one end of the motor shaft (29) is in driving connection with the output end of the heat dissipation motor (28), and the other end of the motor shaft (29) is fixedly connected with the fan blades (30).

9. The granulating device for producing uniformly granulated PVC granules as claimed in claim 8, wherein: the anti-blocking mechanism comprises a reciprocating screw rod (31), a guide rod (32), a moving block (33) and a combing brush (34), the reciprocating screw rod (31) is rotatably arranged on the inner walls of two sides of the treatment box (11) which are far away from each other, the guide rods (32) are fixedly arranged on the inner walls of two sides of the processing box (11) which are far away from each other, the moving block (33) is sleeved on the reciprocating screw rod (31) and the guide rod (32) in a sliding manner, the moving block (33) moves left and right under the driving of the reciprocating screw rod (31), the combing brush (34) is fixedly mounted on the top side of the moving block (33), the carding brush (34) is in contact with the bottom side of the screening net (12), one end of the reciprocating screw rod (31) extends out of the processing box (11) and a second driving component is arranged between the reciprocating screw rod and a motor shaft (29).

10. The granulating device for producing uniformly granulated PVC granules as claimed in claim 9, wherein: the second driving assembly comprises two second driving wheels (35) and a second belt (36), the two second driving wheels (35) are fixedly sleeved on the reciprocating screw rod (31) and the motor shaft (29) respectively, and the second belt (36) is movably sleeved on the two second driving wheels (35).