CN203779837U - Parallel counter-rotating twin-screw extruder - Google Patents
Parallel counter-rotating twin-screw extruder Download PDFInfo
- Publication number
- CN203779837U CN203779837U CN201420101049.1U CN201420101049U CN203779837U CN 203779837 U CN203779837 U CN 203779837U CN 201420101049 U CN201420101049 U CN 201420101049U CN 203779837 U CN203779837 U CN 203779837U
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- CN
- China
- Prior art keywords
- shaft
- gear
- section
- screw rod
- shunting
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
- B29C48/50—Details of extruders
- B29C48/505—Screws
- B29C48/535—Screws with thread pitch varying along the longitudinal axis
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B7/00—Mixing; Kneading
- B29B7/30—Mixing; Kneading continuous, with mechanical mixing or kneading devices
- B29B7/34—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices
- B29B7/38—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary
- B29B7/46—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with more than one shaft
- B29B7/48—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with more than one shaft with intermeshing devices, e.g. screws
- B29B7/488—Parts, e.g. casings, sealings; Accessories, e.g. flow controlling or throttling devices
- B29B7/489—Screws
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/252—Drive or actuation means; Transmission means; Screw supporting means
- B29C48/2526—Direct drives or gear boxes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
- B29C48/395—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders
- B29C48/40—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders using two or more parallel screws or at least two parallel non-intermeshing screws, e.g. twin screw extruders
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
- B29C48/395—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders
- B29C48/40—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders using two or more parallel screws or at least two parallel non-intermeshing screws, e.g. twin screw extruders
- B29C48/41—Intermeshing counter-rotating screws
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
- B29C48/50—Details of extruders
- B29C48/505—Screws
- B29C48/51—Screws with internal flow passages, e.g. for molten material
- B29C48/515—Screws with internal flow passages, e.g. for molten material for auxiliary fluids, e.g. foaming agents
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The utility model provides a parallel counter-rotating twin-screw extruder. The extruder comprises a motor, a reduction box and a screw group, wherein the reduction box comprises an input shaft, an intermediate transmission shaft, a shunt main shaft, a shunt transmission shaft, a reversing shaft, a first output shaft and a second output shaft; the reduction box also comprises an input gear installed on the input shaft, first and second intermediate gears installed on the intermediate transmission shaft, a shunt main shaft gear and a wide gear installed on the shunt main shaft, a first shunt transmission gear installed on the shunt transmission shaft, a reversing gear installed on the reversing shaft, an output gear installed on the first output shaft, and a second shunt transmission gear installed on the second output shaft; the shunt transmission shaft is coaxially connected with the reversing shaft; the output gear is meshed with the first intermediate gear; the second intermediate gear is meshed with the shunt main shaft gear; the wide gear is meshed with the first and second shunt transmission gears; the reversing gear is meshed with the output gear. The parallel counter-rotating twin-screw extruder is uniform in output load.
Description
Technical field
The utility model relates to a kind of plant equipment, particularly relates to a kind of parallel counter rotation twin screw extruder of high efficiency shunting transmission.
Background technology
Existing flexible PVC (Polyvinyl chloride polymer, polyvinyl chloride) plastics manufacture is a sizable market, PVC granulation is in the market mainly to rely on traditional counter rotation twin screw extruder to produce, and produces by twin-screw extruding raw material in casing.But, the output kind of drive of the reduction box of tradition extruder is the mode of one drag two substantially, an output shaft of concentrating will be born the driving load of another screw rod simultaneously, therefore the load of this output shaft is the twice load of another output shaft, and the load of two output shafts is seriously uneven, and output torque is restricted, shorten service life, maintenance is frequent, and overall structure is unreasonable, and floor space is large.
In addition, because soft pvc plastic is a kind of thermal sensitivity plastics, too high extruded velocity can make the temperature of soft pvc plastic constantly raise, processing temperature is too high is all easy to cause thermal decomposition with overlong time, be unfavorable for the production of PVC, make the soft pvc plastic of existing market can only be applicable to the granulation of low speed extrusion.
Utility model content
Based on this, of the present utility model be to provide a kind of output load evenly, the parallel counter rotation twin screw extruder of high efficiency shunting transmission.
A kind of parallel counter rotation twin screw extruder, comprises motor, reduction box and screw rod group, and described reduction box comprises power shaft, intermediate propeller shaft, shunting main shaft, shunting power transmission shaft, reversing shaft, the first output shaft and the second output shaft; This reduction box also comprises the input gear that is arranged on this power shaft, be arranged on the first idler gear and the second idler gear on intermediate propeller shaft, be arranged on shunting mainshaft gear and wide gear on shunting main shaft, be arranged on the first shunting travelling gear on shunting power transmission shaft, be arranged on tumbler gear on reversing shaft, be arranged on output gear on the first output shaft, be arranged on the shunting of second on the second output shaft travelling gear, and described shunting power transmission shaft is coaxially connected with reversing shaft; Described input gear engages with described the first idler gear, described the second idler gear engages with described shunting mainshaft gear, the part of described wide gear engages with the first shunting travelling gear, another part engages with the second shunting travelling gear simultaneously, and described tumbler gear engages with described output gear.
Further, described screw rod group comprises the first screw rod and the second screw rod that are parallel to each other, and this first screw rod and the second screw rod include an installation end, a linkage section and an active section, and the surface of described active section is provided with screw thread and thread, and the external diameter of this active section is identical; This active section comprises feed zone, changeover portion, compression section and the homogenizing zone of the described linkage section of a connection successively; The groove depth of described changeover portion is identical with the groove depth of feed zone, and the groove depth of described homogenizing zone is less than the groove depth of described changeover portion, and the groove depth of described compression section reduces to homogenizing zone gradually from changeover portion.
Further, the inside of described the first screw rod and the second screw rod is all axially arranged with three grades of step-like perforation, this perforation comprises the first hole section, the second hole section, the 3rd hole section that are communicated with successively, wherein installation end, linkage section and the feed zone of corresponding described the first screw rod of the first hole section, the rear section of the corresponding described changeover portion of described the second hole section and compression section, described linkage section is provided with the passage radially running through and is communicated with described the first hole section.
Further, the passage of described the second screw rod is mutually vertical with the passage of described the first screw rod.
Further, the corresponding described installation end of described the first hole section, linkage section and feed zone, the rear section of the corresponding described changeover portion of described the second hole section and compression section, forward part and the homogenizing zone of described the 3rd corresponding described compression section of hole section.
Further, the diameter of described the second hole section is greater than the diameter of the first hole section and is less than the diameter of the 3rd hole section; The diameter of this passage is less than the diameter of the 3rd hole section of perforation.
Further, the pitch of described homogenizing zone equates with the pitch of described feed zone, and the pitch of described changeover portion and compression section is greater than the pitch of feed zone.
Further, the axle center of described reversing shaft, the first output shaft, the second output shaft is positioned in same level, and the first output shaft is between reversing shaft and the second output shaft.
Further, the centre-to-centre spacing in the axle center of described the first output shaft, the second output shaft is 140.48mm, and described reversing shaft is 71 degree with the relative described shunting main shaft angulation in axle center of the second output shaft.
Further, described motor and screw rod group are all arranged on the same side of reduction box, make the setting that jointly takes the shape of the letter U of motor, reduction box and screw rod group.
Parallel counter rotation twin screw extruder of the present utility model is shunted by shunting main shaft, and the first output shaft is equated with the load of the second output shaft; Meanwhile, by the first screw rod, the external screw-thread of the second screw rod and the design of the correspondence of inner perforated, effectively distributed the heat that the inside of the first screw rod, the second screw rod produces at high efficiency extruding.
Brief description of the drawings
Fig. 1 is the stereogram of the reduction box of parallel counter rotation twin screw extruder of the present utility model.
Fig. 2 is the top view of the screw rod group of parallel counter rotation twin screw extruder of the present utility model.
Fig. 3 is the internal structure schematic diagram of the reduction box of Fig. 1.
Fig. 4 is the front view of the internal structure of the reduction box of Fig. 3.
Fig. 5 is the top view of the internal structure of the reduction box of Fig. 3.
Fig. 6 is the left view of the internal structure of the reduction box of Fig. 3.
Fig. 7 is the cutaway view that the screw rod group of Fig. 2 is cut open along the horizontal plane of its central shaft of process.
Detailed description of the invention
For the technical solution of the utility model can more clearly be showed, below in conjunction with accompanying drawing, the utility model is described in further detail.
Please refer to Fig. 1 and Fig. 2, the parallel counter rotation twin screw extruder of one of the present utility model, comprises that a motor (not shown), connects the reduction box 100 of this motor and connects the screw rod group 200 of this reduction box 100.This motor and screw rod group 200 are all arranged on the same side of reduction box 100, make the setting that jointly takes the shape of the letter U of motor, reduction box 100 and screw rod group 200, to save installing space.
Please refer to Fig. 3 to Fig. 6, described reduction box 100 comprises a casing 90, is arranged on power shaft 10, intermediate propeller shaft 20, shunting main shaft 30, shunting power transmission shaft 40, reversing shaft 50, the first output shaft 60, the second output shaft 70 in casing 90.This reduction box 100 also comprises the input gear 15 that is arranged on power shaft 10, be arranged on the first idler gear 21 and the second idler gear 22 on intermediate propeller shaft 20, be arranged on shunting mainshaft gear 31 and wide gear 35 on shunting main shaft 30, be arranged on the first shunting travelling gear 41 on shunting power transmission shaft 40, be arranged on tumbler gear 51 on reversing shaft 50, be arranged on output gear 61 on the first output shaft 60, be arranged on the shunting of second on the second output shaft 70 travelling gear 72.
Described power shaft 10, intermediate propeller shaft 20, shunting main shaft 30, shunting power transmission shaft 40, the first output shaft 60, the second output shaft 70 are arranged in parallel; Shunt power transmission shaft 40 with the coaxial setting of reversing shaft 50 and interconnect by a spline housing 81, to reduce shunting power transmission shaft 40 and the installation difficulty of reversing shaft 50 in casing 90.Described the second output shaft 70 is major axis, and described power shaft 10, intermediate propeller shaft 20, shunting main shaft 30 are minor axis and arrange from bottom to top according to this.The axle center of described reversing shaft 50, the first output shaft 60, the second output shaft 70 is positioned in same level, and the first output shaft 60 is between reversing shaft 50 and the second output shaft 70.The afterbody of described the first output shaft 60 is provided with series connection thrust bearing 82, and the afterbody of described the second output shaft 70 is provided with thrust bearing 83, to bear respectively the axial load of the first output shaft 60, the second output shaft 70.In the present embodiment, the centre-to-centre spacing in the axle center of described the first output shaft 60 and the second output shaft 70 is between 135mm to 145mm, and the best is 140.48mm.Described reversing shaft 50 is A with relative described shunting main shaft 30 angulations in axle center of the second output shaft 70, when the centre-to-centre spacing in the axle center of the first output shaft 60, the second output shaft 70 is 140.48mm, A=71 while spending, in whole casing 90, the space utilization of the first output shaft 60, the second output shaft 70 and shunting main shaft 30 is the most reasonable.
Described input gear 15 engages with described the first idler gear 21, described the second idler gear 22 engages with described shunting mainshaft gear 31, and the part of described wide gear 35 engages with the first shunting travelling gear 41, another part engages with the second shunting travelling gear 72 simultaneously; Described tumbler gear 51 engages with described output gear 61.In the present embodiment, it is identical that described the first shunting travelling gear 41 and second is shunted radius and the number of teeth of travelling gear 72, and along described wide gear 35 axially in tandem and partly overlap.
When work, described motor connects driving power shaft 10 and rotates along a clockwise, while rotation as the clockwise direction in Fig. 6 of the present embodiment, this power shaft 10 is engaged with the first idler gear 21 and is driven described intermediate propeller shaft 20 to rotate in the counterclockwise direction by input gear 15; Intermediate propeller shaft 20 is engaged and drives shunting main shaft 30 to rotate along clockwise direction with shunting mainshaft gear 31 by the second idler gear 22; Shunting main shaft 30 engages with the first shunting travelling gear 41, the second shunting travelling gear 72 by wide gear 35 simultaneously, drives shunting power transmission shaft 40, the second output shaft 70 to rotate in the counterclockwise direction; Because reversing shaft 50 is fixing and coaxial with shunting power transmission shaft 40 by spline housing 81, this reversing shaft 50 rotates in the counterclockwise direction; This reversing shaft 50 engages with output gear 61 by tumbler gear 51, drives the first output shaft 60 to rotate along clockwise direction.Therefore the direction of rotation of the first output shaft 60 and the second output shaft 70, thus drive described screw rod group 200 relatively to rotate backward, reach the effect of extruding soft pvc plastic.In addition, described power shaft 10 and the first output shaft 60 and the second output shaft 70 are all arranged on the same side of casing 90, make described screw rod group 200 be up and down and distribute with motor, have reduced the longitudinal length of whole parallel counter rotation twin screw extruder, save space.
Refer to Fig. 7 and again consult Fig. 2, described screw rod group 200 comprises one first screw rod 260 and the second screw rod 270, and this first screw rod 260 and the second screw rod 270 connect respectively described the first output shaft 60, the second output shaft 70 and along with the first output shaft 60, the incorgruous rotation of the second output shaft 70.This first screw rod 260 and the second screw rod 270 are arranged on a (not shown) in casing closely, rotate backward compression and enter the soft pvc plastic in casing, thereby extrude required polymer.
Described the first screw rod 260 comprises an installation end 261, a linkage section 262 and an active section.This installation end 261 is for being fixedly connected with described the first output shaft 60 by a spline housing (not shown).These linkage section 262 smooth surface settings.The surface of described active section is provided with screw thread and thread, and the front end of this active section is installed the plug 263 of a circular cone build.Described active section comprises successively feed zone 264, changeover portion 265, the compression section 266 of the described linkage section 262 of a connection and connects the homogenizing zone 267 of described plug 263.The external diameter of described feed zone 264, changeover portion 265, compression section 266, homogenizing zone 267 is identical, and the external diameter of whole active section is identical.The groove depth of described changeover portion 265 is identical with the groove depth of feed zone 264, and the groove depth of described homogenizing zone 267 is less than the groove depth of described changeover portion 265, and the groove depth of described compression section 266 reduces to homogenizing zone 267 gradually from changeover portion 265.In the present embodiment, when the external diameter of the first screw rod 260 is 150 millimeters, the groove depth of described feed zone 264 and changeover portion 265 is that 21 millimeters, the groove depth of described homogenizing zone 267 are that 11.5 millimeters, the groove depth of described compression section 266 reduce to 11.5 millimeters gradually from 21 millimeters.The pitch of described homogenizing zone 267 equates with the pitch of described feed zone 264, the pitch of described changeover portion 265 and compression section 266 is greater than the pitch of feed zone 264, in the present embodiment, the pitch of this changeover portion 265 and compression section 266 is the twice of the pitch of feed zone 264.
The inside of described the first screw rod 260 is axially arranged with three grades of step-like perforation 250, this perforation 250 comprises the first hole section 251, the second hole section 252, the 3rd hole section 253 that are communicated with successively, wherein installation end 261, linkage section 262 and the feed zone 264 of first hole section 251 corresponding described the first screw rods 260, the rear section of the corresponding described changeover portion 265 of described the second hole section 252 and compression section 266, the forward part of described the 3rd corresponding described compression section 266 of hole section 253 and homogenizing zone 267.The diameter of described the second hole section 252 is greater than the diameter of the first hole section 251 and is less than the diameter of the 3rd hole section 253.Described linkage section 262 is provided with the passage 269 radially running through and is communicated with described the first hole section 251.The diameter of this passage 269 is less than the diameter of the 3rd hole section 253 of perforation 250.When work, the hot-air of the first screw rod 260 inside can by bore a hole 250 and the port upward of passage 269 be distributed to the external world, and extraneous cold air also from passage 269 towards a port flow in perforation 250.
The structure of described the second screw rod 270 and described the first screw rod 260 are basic identical, comprise installation end, a linkage section, plug, feed zone, changeover portion, compression section, the homogenizing zone of corresponding the first screw rod 260; The inside of this second screw rod 270 is axially arranged with corresponding perforation, and this perforation correspondence comprises the first hole section, the second hole section, the 3rd hole section, and described linkage section is provided with the passage radially running through and is communicated with described the 3rd hole section.
Relative the first screw rod 260, the difference of the second screw rod 270 is: the rotation clockwise of screw thread is contrary with the rotation clockwise of the screw thread of the first screw rod 260, and the centre of adjacent two screw threads of corresponding described the first screw rod 260 in the position of each screw thread of the second screw rod 270, accommodate the tooth of the first screw rod 260 with correspondence, make the tooth mutual dislocation of the second screw rod 270 and the first screw rod 260, so that soft pvc plastic is pushed; Secondly, the passage of described the second screw rod 270 is mutually vertical with the passage 269 of the first screw rod 260, to avoid the port of the passage of the second screw rod 270 in rotation process and the passage 269 of the first screw rod 260 close, avoids hot-air overlapping.
Parallel counter rotation twin screw extruder of the present utility model is shunted by shunting main shaft 30, and the first output shaft 60 is equated with the load of the second output shaft 70, has avoided load unbalanced situation to occur; Meanwhile, by the first screw rod 260, the external screw-thread of the second screw rod 270 and the design of inner perforated 270, effectively distribute the heat that soft pvc plastic produces at high-speed extrusion, ensured the quality of soft pvc plastic.
The above embodiment has only expressed a kind of embodiment of the present utility model, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the utility model the scope of the claims.It should be pointed out that for the person of ordinary skill of the art, without departing from the concept of the premise utility, can also make some distortion and improvement, these all belong to protection domain of the present utility model.Therefore, the protection domain of the utility model patent should be as the criterion with claims.
Claims (10)
1. a parallel counter rotation twin screw extruder, comprises motor, reduction box and screw rod group, it is characterized in that: described reduction box comprises power shaft, intermediate propeller shaft, shunting main shaft, shunting power transmission shaft, reversing shaft, the first output shaft and the second output shaft; This reduction box also comprises the input gear that is arranged on this power shaft, be arranged on the first idler gear and the second idler gear on intermediate propeller shaft, be arranged on shunting mainshaft gear and wide gear on shunting main shaft, be arranged on the first shunting travelling gear on shunting power transmission shaft, be arranged on tumbler gear on reversing shaft, be arranged on output gear on the first output shaft, be arranged on the shunting of second on the second output shaft travelling gear, and described shunting power transmission shaft is coaxially connected with reversing shaft; Described input gear engages with described the first idler gear, described the second idler gear engages with described shunting mainshaft gear, the part of described wide gear engages with the first shunting travelling gear, another part engages with the second shunting travelling gear simultaneously, and described tumbler gear engages with described output gear.
2. parallel counter rotation twin screw extruder according to claim 1, it is characterized in that: described screw rod group comprises the first screw rod and the second screw rod that are parallel to each other, this first screw rod and the second screw rod include an installation end, a linkage section and an active section, the surface of described active section is provided with screw thread and thread, and the external diameter of this active section is identical; This active section comprises feed zone, changeover portion, compression section and the homogenizing zone of the described linkage section of a connection successively; The groove depth of described changeover portion is identical with the groove depth of feed zone, and the groove depth of described homogenizing zone is less than the groove depth of described changeover portion, and the groove depth of described compression section reduces to homogenizing zone gradually from changeover portion.
3. parallel counter rotation twin screw extruder according to claim 2, it is characterized in that: the inside of described the first screw rod and the second screw rod is all axially arranged with three grades of step-like perforation, this perforation comprises the first hole section, the second hole section, the 3rd hole section that are communicated with successively, wherein installation end, linkage section and the feed zone of corresponding described the first screw rod of the first hole section, the rear section of the corresponding described changeover portion of described the second hole section and compression section, described linkage section is provided with the passage radially running through and is communicated with described the first hole section.
4. parallel counter rotation twin screw extruder according to claim 3, is characterized in that: the passage of described the second screw rod is mutually vertical with the passage of described the first screw rod.
5. parallel counter rotation twin screw extruder according to claim 3, it is characterized in that: the corresponding described installation end of described the first hole section, linkage section and feed zone, the rear section of the corresponding described changeover portion of described the second hole section and compression section, forward part and the homogenizing zone of described the 3rd corresponding described compression section of hole section.
6. parallel counter rotation twin screw extruder according to claim 5, is characterized in that: the diameter of described the second hole section is greater than the diameter of the first hole section and is less than the diameter of the 3rd hole section; The diameter of this passage is less than the diameter of the 3rd hole section of perforation.
7. parallel counter rotation twin screw extruder according to claim 2, is characterized in that: the pitch of described homogenizing zone equates with the pitch of described feed zone, and the pitch of described changeover portion and compression section is greater than the pitch of feed zone.
8. parallel counter rotation twin screw extruder according to claim 1, is characterized in that: the axle center of described reversing shaft, the first output shaft, the second output shaft is positioned in same level, and the first output shaft is between reversing shaft and the second output shaft.
9. parallel counter rotation twin screw extruder according to claim 8, it is characterized in that: the centre-to-centre spacing in the axle center of described the first output shaft, the second output shaft is 140.48mm, described reversing shaft is 71 degree with the relative described shunting main shaft angulation in axle center of the second output shaft.
10. parallel counter rotation twin screw extruder according to claim 1, is characterized in that: described motor and screw rod group are all arranged on the same side of reduction box, makes the setting that jointly takes the shape of the letter U of motor, reduction box and screw rod group.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201420101049.1U CN203779837U (en) | 2014-03-06 | 2014-03-06 | Parallel counter-rotating twin-screw extruder |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201420101049.1U CN203779837U (en) | 2014-03-06 | 2014-03-06 | Parallel counter-rotating twin-screw extruder |
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Publication Number | Publication Date |
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CN203779837U true CN203779837U (en) | 2014-08-20 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201420101049.1U Withdrawn - After Issue CN203779837U (en) | 2014-03-06 | 2014-03-06 | Parallel counter-rotating twin-screw extruder |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103895210A (en) * | 2014-03-06 | 2014-07-02 | 东莞市三优塑料机械制造有限公司 | Parallel counter-rotating double-screw extruder |
AT525055B1 (en) * | 2021-10-12 | 2022-12-15 | Eisenbeiss Gmbh | EXTRUDER GEARS FOR THE MANUFACTURE OF ELECTRIC BATTERIES |
-
2014
- 2014-03-06 CN CN201420101049.1U patent/CN203779837U/en not_active Withdrawn - After Issue
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103895210A (en) * | 2014-03-06 | 2014-07-02 | 东莞市三优塑料机械制造有限公司 | Parallel counter-rotating double-screw extruder |
CN103895210B (en) * | 2014-03-06 | 2015-10-28 | 东莞市三优塑料机械制造有限公司 | Parallel counter rotation twin screw extruder |
AT525055B1 (en) * | 2021-10-12 | 2022-12-15 | Eisenbeiss Gmbh | EXTRUDER GEARS FOR THE MANUFACTURE OF ELECTRIC BATTERIES |
AT525055A4 (en) * | 2021-10-12 | 2022-12-15 | Eisenbeiss Gmbh | EXTRUDER GEARS FOR THE MANUFACTURE OF ELECTRIC BATTERIES |
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