CN210283193U - Double-screw extruder with barrel cooling device - Google Patents
Double-screw extruder with barrel cooling device Download PDFInfo
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- CN210283193U CN210283193U CN201920970855.5U CN201920970855U CN210283193U CN 210283193 U CN210283193 U CN 210283193U CN 201920970855 U CN201920970855 U CN 201920970855U CN 210283193 U CN210283193 U CN 210283193U
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- cooling
- cooling tube
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- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The utility model relates to a double screw extruder with barrel cooling device, including extruder body and water cooling plant, water cooling plant is including the cooling tube that encircles the setting of extruder body, still include circulation tank and circulating water pump be connected simultaneously with the cooling tube both ends, the department of bending that is located in the cooling tube is provided with the chamber of bending, the cross sectional area in chamber of bending is greater than the cross sectional area of cooling tube, the chamber of bending is provided with the interception net with the junction of cooling tube, the clean ball of a plurality of thorn arris form has been placed to the intracavity of bending, the linear portion of cooling tube is provided with cleaning element, the last cold water mechanism that is provided with of circulation tank. Circulating water pump control rivers flow at cooling tube and circulating water tank inner loop, and keep the temperature of cooling water through cold water mechanism, get rid of the incrustation scale of the straight line portion of cooling tube through cleaning unit, constantly assault the friction bending intracavity wall in the intracavity through changing the velocity of flow of rivers drive cleaning ball, get rid of the incrustation scale of the part of bending of cooling tube, effectively guarantee the water-cooling efficiency of cooling tube.
Description
Technical Field
The utility model belongs to the technical field of the technique of extruder and specifically relates to a double screw extruder with barrel cooling device is related to.
Background
The double-screw extruder is equipment for processing the plastic master batch by simultaneously rotating two screws which are arranged in parallel, and the double-screw extruder is indispensable in processing the plastic master batch due to good mixing effect and strong exhaust capacity of the double-screw extruder. In order to ensure the fusion degree of the plastic master batch and the additive, a heating and cooling device is usually arranged in the double-screw extruder to ensure the constant temperature when materials are mixed, so as to ensure the uniform mixing and the melting efficiency.
The prior utility model patent document with the publication number of CN208469007U discloses a barrel cooling device for a double-screw extruder, which comprises a water inlet pipe, a circulating pipe and a water outlet pipe, wherein the circulating pipe surrounds the circumference of the barrel, the upper end of the circulating pipe is connected with the water inlet pipe, the lower end of the circulating pipe is connected with the water outlet pipe, the inner side wall of the circulating pipe is connected with a plurality of nuts through a bracket, the inner threads of the nuts are spliced with a threaded rod, the upper side wall of the threaded rod is rotatably connected with a plurality of cyclone blades, a torsion spring is wound on the threaded rod, two ends of the torsion spring are respectively connected with the side wall of the threaded rod and the upper end; when water flows through the circulating pipe, the water flow drives the rotational flow blades to rotate, so that the water flow in the circulating pipe flows spirally, the heat efficiency is improved, the scraper is driven to rotate, dirt on the inner wall of the circulating pipe is scraped, and the heat dissipation effect is effectively prevented from being influenced by the blockage of the circulating pipe.
The above prior art solutions have the following drawbacks: the threaded rod can only move linearly, so that the barrel body is required to be arranged in a cubic shape, the bent part of the circulating pipe cannot be provided with the threaded rod with the scraper blade to clean the inside of the circulating pipe, the probability of accumulating scale at the bent part of the circulating pipe is far greater than the rest of the circulating pipe, the scale cleaning effect is poor, and the use is inconvenient.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a double screw extruder with barrel cooling device can conveniently get rid of the incrustation scale of cooling tube way, effectively guarantees the water-cooling effect.
The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme: double screw extruder with barrel cooling device, including extruder body and water cooling plant, water cooling plant is including the cooling tube that encircles the setting of extruder body, still includes the circulating water tank of being connected simultaneously with the cooling tube both ends and the circulating water pump who is used for controlling circulating water flow, the department of being located to bend in the cooling tube is provided with the chamber of bending, the cross sectional area in chamber of bending is greater than the cross sectional area of cooling tube, the junction of bending chamber and cooling tube is provided with the interception net, the clean ball that a plurality of thorn arris form and adopt the elasticity material to make has been placed to the intracavity of bending, the straight line portion of cooling tube is provided with the clean part that is used for striking off the incrustation scale, be provided with the cold water mechanism that is used for the cooling water.
Through adopting above-mentioned technical scheme, circulating water pump control rivers flow at cooling tube and circulating water tank inner loop, and keep the temperature of cooling water through cold water mechanism, get rid of the incrustation scale of the straight line portion of cooling tube through cleaning element when needs clearance incrustation scale, constantly assault the friction bending intracavity wall of chamber in bending the intracavity through changing the velocity of flow of rivers drive cleaning ball, thereby get rid of the incrustation scale of the part of bending of cooling tube, get rid of incrustation scale effectual and convenient implementation, effectively guarantee that the cooling tube can not influence water-cooling efficiency because of incrustation scale jam.
The utility model discloses further set up to: the cleaning component comprises a threaded rod which is arranged in the cooling pipe and coaxial with the cooling pipe, a nut is connected to the threaded rod in a threaded mode, the nut is erected in the cooling pipe through a support, a plurality of swirl blades are arranged on the threaded rod, a torsion spring used for preventing the threaded rod from rotating is arranged on the threaded rod in a surrounding mode, two ends of the torsion spring are fixed to the screw rod and the nut respectively, and a cleaning brush abutted to the inner wall of the cooling pipe is arranged on the threaded rod.
Through adopting above-mentioned technical scheme, the whirl blade is rotatory because of the rivers impact when the velocity of flow is great, and it is rotatory to drive the threaded rod, because threaded connection, the threaded rod is along cooling tube radial movement, gets rid of the incrustation scale of cold tube straight line portion through the butt friction of cleaning brush and cooling tube inner wall, and torque spring drive threaded rod resets when the velocity of flow of water flow reduces, and the incrustation scale is conveniently got rid of to so reciprocal circulation.
The utility model discloses further set up to: the circulating water tank is provided with the mouth of a river on the junction of the water inlet of cooling tube with the circulating water tank, the junction of circulating water tank and cooling tube all is provided with the stop valve.
Through adopting above-mentioned technical scheme, the filter screen can be under the great incrustation scale interception of volume when the user carries the water in the circulating water tank into the cooling tube, and the water flow state in the accessible stop valve control cooling tube to from changing water mouthful department and changing the water that contains the incrustation scale piece in the water tank, further facilitate the use.
The utility model discloses further set up to: the circulating water tank bottom is provided with the absorption cotton that is used for adsorbing free incrustation scale, it can dismantle to fix on the balancing weight to adsorb the cotton, the circulating water tank top is provided with the opening that supplies to adsorb the cotton business turn over, be provided with on the circulating water tank and be used for sealing open-ended closing cap, be fixed with the stay cord on the balancing weight, the other end and the closing cap of stay cord are fixed.
Through adopting above-mentioned technical scheme, adsorb the cotton and all collect free incrustation scale on adsorbing the cotton, the balancing weight is guaranteed to adsorb the cotton and is located the circulation tank bottom surface, guarantees to adsorb the free incrustation scale that the cotton can adsorb the sediment, regularly opens the closing cap and takes out the balancing weight and adsorb the cotton through the pulling stay cord, changes and adsorbs the cotton and put into once more and can guarantee the cleanliness factor of cooling water under the state that the frequency of changing water is reduced in the circulation tank, and it is more convenient to use.
The utility model discloses further set up to: the cold water mechanism comprises two fan radiators arranged on the outer side wall of the circulating water tank, and the two fan radiators are symmetrically arranged on two sides of the circulating water tank.
Through adopting above-mentioned technical scheme, the wind that fan radiator produced can carry out the forced air cooling to circulating water tank, and the convenient water in the cooling circulation water tank of user realizes the water system for circulative cooling, and water resource utilization rate is high.
The utility model discloses further set up to: and a heat dissipation coating is coated on the circulating water tank.
Through adopting above-mentioned technical scheme, the heat radiation heat-sinking capability that circulating water tank has effectively been strengthened to the heat dissipation coating, effectively improves water cooling rate in the water tank.
The utility model discloses further set up to: the sealing cover is rotatably connected with the circulating water tank, the free end of the sealing cover is fixed with the top surface of the circulating water tank through a threaded part, the bottom surface of the sealing cover is detachably fixed with a replacing seat through the threaded part, and the end part of the pull rope, far away from the balancing weight, is fixed with the replacing seat.
By adopting the technical scheme, a user can replace the components such as the pull rope and the like integrally through the dismounting and mounting replacement seat, and the use freedom degree is higher and convenient.
The utility model discloses further set up to: and a sealing ring is arranged on the sealing cover corresponding to the opening.
Through adopting above-mentioned technical scheme, the sealing degree when the closing cap closed the opening has been guaranteed to the sealing washer, guarantees that circulating water tank's can hold the water yield and can make full use of when using.
To sum up, the utility model discloses a beneficial technological effect does:
1. scale on the cooling pipeline can be removed conveniently, and the water cooling effect is effectively ensured;
2. can conveniently collect the incrustation scale, convenient follow-up abandoning.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a sectional view of the present invention for the internal structure of the cooling pipe.
Fig. 3 is a sectional view of the internal structure of the circulation tank according to the present invention.
In the figure, 1, an extruder body; 2. a cooling tube; 21. a circulating water tank; 22. a water circulating pump; 23. a stop valve; 3. bending the cavity; 31. an intercepting net; 32. cleaning balls; 4. a threaded rod; 41. a nut; 42. a torsion spring; 43. a cleaning brush; 44. a swirl vane; 5. a fan radiator; 51. a heat-dissipating coating; 6. a filter screen; 61. changing a water gap; 7. adsorbing cotton; 71. a balancing weight; 72. pulling a rope; 73. replacing the seat; 74. an opening; 75. sealing the cover; 8. and (5) sealing rings.
Detailed Description
The present invention will be described in further detail with reference to the accompanying fig. 1-3.
Referring to fig. 1 and 2, for the utility model discloses a double screw extruder with barrel cooling device, including extruder body 1 and water cooling device, water cooling device is including encircleing cooling tube 2 that extruder body 1 set up, still include circulation tank 21 that is connected simultaneously with the both ends of cooling tube 2 and be used for controlling the circulating pump of circulating water flow, it is provided with spherical chamber 3 of bending to lie in the department of bending in cooling tube 2, the diameter in chamber 3 of bending is greater than the diameter of cooling tube 2, the junction of chamber 3 and cooling tube 2 of bending is provided with interception net 31, the cleaning ball 32 of a plurality of thorn arris form has been placed in the chamber 3 of bending, cleaning ball 32 adopts the elasticity material to make, the straight line portion of cooling tube 2 is provided with the incrustation scale on the cooling tube inside wall for the user to get rid of cleaning element, be provided with the inside water of cooling water mechanism cooling circulation tank 21 on the.
The circulating pump carries the cooling tube 2 with circulation tank 21's water in, carry out water-cooling heat dissipation to extruder body 1, and then return in circulation tank 21, and cool off the back through the cold water mechanism, be used for the water-cooling cooler body once more, the water utilization is high and cooling effect is good, when the incrustation scale in the cooling tube 2 is got rid of to needs, the incrustation scale is scraped to the straight line portion accessible cleaning member of cooling tube 2, make the cleaning ball 32 impact in the chamber of bending 3 chamber 3 of bending when rivers flow, cleaning ball 32 floats wantonly in the chamber of bending 3 when rivers are static, cleaning ball 32's elastic force makes the user can make cleaning ball 32 reciprocating friction bend chamber 3 as long as constantly adjust the rivers velocity of flow, and then get rid of the incrustation scale in the chamber 3 of bending, thereby realize the all-round incrustation scale clearance in the cooling tube 2, it is not.
Referring to fig. 2, the cleaning member includes a threaded rod 4 disposed in the cooling tube 2, the threaded rod 4 is coaxial with a corresponding portion of the cooling tube 2, a nut 41 is screwed on the threaded rod 4, the nut 41 is erected in the cooling tube 2 through a bracket, a plurality of swirl vanes 44 are disposed on the threaded rod 4, a cleaning brush 43 abutting against the inner wall of the cooling tube 2 is disposed on the threaded rod 4, a torsion spring 42 is wound on the threaded rod 4, one end of the torsion spring 42 is fixed to the threaded rod 4, and the other end is fixed to the nut 41, when water flows in the cooling tube 2, the swirl vanes 44 rotate due to water flow impact, and further drive the threaded rod 4 to rotate, because the nut 41 is fixed and the nut 41 is screwed to the threaded rod 4, the threaded rod 4 moves along the axial direction of the cooling tube 2, and scale on the linear portion of the cooling tube 2 is removed by the abutting friction, when the water in the cooling pipe 2 stops flowing, the torsion spring 42 drives the screw rod to reset, and the cleaning of the linear part of the cooling pipe 2 can be completed in a reciprocating manner, so that the cleaning is convenient.
Referring to fig. 3, cold water mechanism is including setting up fan radiator 5 on circulating water tank 21 lateral wall, fan radiator 5's quantity is two and the symmetry sets up the both sides at circulating water tank 21, the coating has thermal coating 51 on circulating water tank 21, the user can carry out the forced air cooling to circulating water tank 21 through the wind that fan radiator 5 produced, and thermal coating 51 has effectively strengthened circulating water tank 21's thermal radiation heat-sinking capability, the user can be convenient the water in the cooling circulating water tank 21, thereby realize the water system for circulation cooling, water resource utilization rate is high.
Referring to fig. 1 and 3, in order to prevent the scale in the circulation water tank 21 from flowing into the cooling pipe 2, a filter screen 6 is arranged at the connection position of the circulation water tank 21 and the water inlet of the cooling pipe 2, two connection positions of the circulation water tank 21 and the cooling pipe 2 are provided with stop valves 23, a water changing port 61 is arranged on the circulation water tank 21, the filter screen 6 can intercept the scale with larger volume when a user conveys the water in the circulation water tank 21 into the cooling pipe 2, the flow state of the water in the cooling pipe 2 can be controlled by the stop valves 23, and the water containing scale fragments in the water tank is changed from the water changing port 61, so that the use is further facilitated.
Referring to fig. 3, in order to facilitate a user to collect free scale in the cooling water and further reduce the frequency of water change to save water resources, the bottom of the circulation water tank 21 is provided with an absorbent cotton 7 for absorbing free scale, the absorbent cotton 7 is detachably fixed on the counterweight block 71 through a screw, the top of the circulation water tank 21 is provided with an opening 74 for allowing the absorbent cotton 7 and the counterweight block 71 to enter and exit the circulation water tank 21, the circulation water tank 21 is provided with a sealing cover 75 for sealing the opening 74, the counterweight block 71 is fixed with a pull rope 72, the other end of the pull rope 72 is fixed with the sealing cover 75, the porous structure of the absorbent cotton 7 enables the scale to adhere to the absorbent cotton 7 when flowing through or depositing on the absorbent cotton 7, the gravity of the counterweight block 71 ensures that the absorbent cotton 7 is normally located at the bottom of the circulation water tank 21, the absorption effect is ensured, the user, convenient change adsorbs cotton 7 and need not extra instrument supplementary, keeps the effectual of the cleanliness of cooling water.
Referring to fig. 3, in order to facilitate the user to open and close the cover 75, the cover 75 is rotatably connected with the circulating water tank 21, the free end of the cover 75 is detachably fixed to the top surface of the circulating water tank 21 through a screw, a sealing ring 8 is arranged on the surface of the cover 75 abutting against the opening 74, a replacing seat 73 is detachably fixed to the bottom surface of the cover 75 through a screw, the end of the pull rope 72 close to the cover 75 is fixed to the replacing seat 73, the sealing ring 8 ensures the sealing degree of the cover 75 when closing the opening 74, it is ensured that the water contained in the circulating water tank 21 can be fully utilized when in use, the screw is screwed down when the cover 75 is required to be opened by the user, and then the cover 75 can be rotated, and the replacing seat 73 can be freely detached according to the own needs, and then the worn pull rope 72 and.
The implementation principle of the embodiment is as follows: circulating water pump 22 drives rivers in the circulating water tank 21 and flows back to circulating water tank 21 in the cooling tube 2, the temperature in the circulating water tank 21 is guaranteed to cold water mechanism, thereby constitute the circulating water cooling system to extruder body 1, constantly change the velocity of water flow when the incrustation scale needs to be clear away, whirl blade 44 rotates, it is rotatory and along the displacement of 2 axis direction of cooling tube to drive threaded rod 4, thereby cleaning brush 43 butt friction cooling tube 2 inner wall clears away the incrustation scale of 2 straight line portions of cooling tube, cleaning ball 32 reciprocating impact friction bending cavity 3, the incrustation scale of the bending part of cooling tube 2 is clear away, thereby realize omnidirectional incrustation scale cleaning effect, effectively prevent to block up because of gathering the incrustation scale in the cooling tube 2, fully guarantee the water-cooling effect of cooling tube.
The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (8)
1. Twin-screw extruder with barrel cooling device, including extruder body (1) and water cooling plant, its characterized in that: the water cooling device comprises a cooling pipe (2) surrounding the extruder body (1), and further comprises a circulating water tank (21) connected with the two ends of the cooling pipe (2) at the same time and a circulating water pump (22) used for controlling circulating water flow, a bending cavity (3) is arranged at the bending position in the cooling pipe (2), the sectional area of the bending cavity (3) is larger than that of the cooling pipe (2), an intercepting net (31) is arranged at the connecting position of the bending cavity (3) and the cooling pipe (2), a plurality of cleaning balls (32) which are in a sharp edge shape and made of elastic materials are placed in the bending cavity (3), a straight line part of the cooling pipe (2) is provided with a cleaning part used for scraping scale, and a cold water mechanism used for cooling water is arranged on the circulating water tank (21).
2. The twin screw extruder with barrel cooling device according to claim 1, characterized in that: cleaning element is including setting up threaded rod (4) with cooling tube (2) coaxial line in cooling tube (2), threaded rod (4) are gone up threaded connection and are had nut (41), nut (41) erect in cooling tube (2) through the support, be provided with a plurality of whirl blades (44) on threaded rod (4), it has torque spring (42) that are used for preventing threaded rod (4) rotation to encircle on threaded rod (4), torque spring's (42) both ends are fixed with screw rod and nut (41) respectively, be provided with on threaded rod (4) with cleaning brush (43) of cooling tube (2) inner wall butt.
3. The twin screw extruder with barrel cooling device according to claim 2, characterized in that: a filter screen (6) is arranged at the joint of the circulating water tank (21) and the water inlet of the cooling pipe (2), a water changing port (61) is arranged on the circulating water tank (21), and stop valves (23) are arranged at the joint of the circulating water tank (21) and the cooling pipe (2).
4. The twin-screw extruder with barrel cooling device according to claim 3, characterized in that: circulation tank (21) bottom is provided with absorption cotton (7) that are used for adsorbing free incrustation scale, it can dismantle to fix on balancing weight (71) to adsorb cotton (7), circulation tank (21) top is provided with opening (74) that supply to adsorb cotton (7) business turn over, be provided with closing cap (75) that are used for sealing opening (74) on circulation tank (21), be fixed with stay cord (72) on balancing weight (71), the other end and closing cap (75) of stay cord (72) are fixed.
5. The twin-screw extruder with barrel cooling device according to claim 1 or 4, characterized in that: the cold water mechanism comprises fan radiators (5) arranged on the outer side wall of the circulating water tank (21), wherein the number of the fan radiators (5) is two, and the two fan radiators are symmetrically arranged on two sides of the circulating water tank (21).
6. The twin screw extruder with barrel cooling device according to claim 5, characterized in that: the circulating water tank (21) is coated with a heat dissipation coating (51).
7. The twin-screw extruder with barrel cooling device according to claim 4, characterized in that: the sealing cover (75) is rotatably connected with the circulating water tank (21), the free end of the sealing cover (75) is fixed with the top surface of the circulating water tank (21) through a threaded part, the bottom surface of the sealing cover (75) is detachably fixed with a replacing seat (73) through a threaded part, and the end part of the pull rope (72) far away from the balancing weight (71) is fixed with the replacing seat (73).
8. The twin screw extruder with barrel cooling device according to claim 7, characterized in that: and a sealing ring (8) is arranged on the sealing cover (75) corresponding to the opening (74).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920970855.5U CN210283193U (en) | 2019-06-26 | 2019-06-26 | Double-screw extruder with barrel cooling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920970855.5U CN210283193U (en) | 2019-06-26 | 2019-06-26 | Double-screw extruder with barrel cooling device |
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| Publication Number | Publication Date |
|---|---|
| CN210283193U true CN210283193U (en) | 2020-04-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920970855.5U Active CN210283193U (en) | 2019-06-26 | 2019-06-26 | Double-screw extruder with barrel cooling device |
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| CN (1) | CN210283193U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117427963A (en) * | 2023-12-21 | 2024-01-23 | 无棣县兴亚生物科技有限公司 | Cleaning equipment for vitamin D3 crystallization device |
-
2019
- 2019-06-26 CN CN201920970855.5U patent/CN210283193U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117427963A (en) * | 2023-12-21 | 2024-01-23 | 无棣县兴亚生物科技有限公司 | Cleaning equipment for vitamin D3 crystallization device |
| CN117427963B (en) * | 2023-12-21 | 2024-04-26 | 无棣县兴亚生物科技有限公司 | Cleaning equipment for vitamin D3 crystallization device |
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