CN201098991Y - Double-screw tabletting type extrusion machine - Google Patents

Double-screw tabletting type extrusion machine Download PDF

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Publication number
CN201098991Y
CN201098991Y CNU2007200146812U CN200720014681U CN201098991Y CN 201098991 Y CN201098991 Y CN 201098991Y CN U2007200146812 U CNU2007200146812 U CN U2007200146812U CN 200720014681 U CN200720014681 U CN 200720014681U CN 201098991 Y CN201098991 Y CN 201098991Y
Authority
CN
China
Prior art keywords
screw
extrusion device
millimeters
twin
twin screw
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.)
Expired - Fee Related
Application number
CNU2007200146812U
Other languages
Chinese (zh)
Inventor
袁海山
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Dalian Chengxin Rubber & Plastics Machinery Co Ltd
Original Assignee
Dalian Chengxin Rubber & Plastics Machinery Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Dalian Chengxin Rubber & Plastics Machinery Co Ltd filed Critical Dalian Chengxin Rubber & Plastics Machinery Co Ltd
Priority to CNU2007200146812U priority Critical patent/CN201098991Y/en
Application granted granted Critical
Publication of CN201098991Y publication Critical patent/CN201098991Y/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • 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
    • 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
    • B29B7/484—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 with two shafts provided with screws, e.g. one screw being shorter than the other
    • 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
    • B29B7/74—Mixing; Kneading using other mixers or combinations of mixers, e.g. of dissimilar mixers ; Plant
    • B29B7/7476—Systems, i.e. flow charts or diagrams; Plants
    • B29B7/7495—Systems, i.e. flow charts or diagrams; Plants for mixing rubber
    • 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
    • B29C48/52—Screws with an outer diameter varying along the longitudinal axis, e.g. for obtaining different thread clearance
    • B29C48/525—Conical 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
    • B29C48/535—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
    • B29B7/52—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices with rollers or the like, e.g. calenders
    • 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
    • B29B7/58—Component parts, details or accessories; Auxiliary operations
    • B29B7/582—Component parts, details or accessories; Auxiliary operations for discharging, e.g. doors
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)

Abstract

The utility model discloses an extrusion device, in particular a twin screw tablet pressing extruder, which is mainly used to extrude caoutchouc or synthetic rubber mixed by an internal mixer, and press the caoutchouc or synthetic rubber into rubber tablets with a certain specification. The extruder comprises a machine foundation (7), a twin screw extrusion device (4) is arranged on the machine foundation (7), the ends of the twin screw in the extrusion device (4) are provided with ratio gear devices (3) which are mutually meshed and connected with a power unit, and the exit end of the extrusion device (4) is provided with a tablet pressing device (5) connected with the power unit. The utility model is characterized in that the twin screw (8) in the extrusion device (4) is of a taper screw, a helical vane part is arranged on the screw (8), the length L of the helical vane part is 800-1000 mm, the big end diameter D is 480-580 mm, the small end diameter d is 180-210 mm, and the screw taper angle A of the screw is 4 DEG to 6 DEG. The device can be combined with the prior 110 L type internal mixer (kneading machine) to carry out the continuous operation, thereby greatly improving the working efficiency.

Description

Twin-screw compressing tablet formula extruder
Technical field
The utility model relates to a kind of extrusion device, and particularly a kind of twin-screw compressing tablet formula extruder is mainly used in natural rubber or the synthetic rubber of extruding mixer mixing, and is pressed into the film of certain specification.
Background technology
Existing twin-screw compressing tablet formula extruder structure is: a support is arranged, on support, be fixed with double screw extruder, wherein the termination of twin-screw connects intermeshing speed ratio gear, power set on speed ratio gear and the support join, and are provided with the preforming device that joins with power set in the exit of extrusion device.During work, enter in the extrusion device through hopper, enter the sheet that tablet press machine is pressed into certain specification through the twin-screw extruding again by the natural rubber or the synthetic rubber of mixer mixing.The length of tool helical blade part has two kinds on the twin-screw at present, a kind of is that length surpasses 1400 millimeters, diameter is greater than 600 millimeters, this powerful extrusion device can't cooperate with existing 110L type close (pinching) refining machine works continuously, another kind is that length is less than 800 millimeters, diameter is less than 180 millimeters, and this low power extrusion device can not cooperate with existing 110L type close (pinching) refining machine works continuously, and mainly is that the glue amount of supply and demand is inconsistent.
Summary of the invention
The purpose of this utility model provides and a kind ofly can cooperate the twin-screw compressing tablet formula extruder of working continuously with existing 110L type close (pinching) refining machine, to improve operating efficiency, overcomes the deficiencies in the prior art.
Twin-screw compressing tablet formula extruder of the present utility model, it comprises support 7, on support 7, be provided with the extrusion device 4 of twin-screw, speed ratio gear device 3 intermeshing and that join with power set is equipped with in the termination of the twin-screw in the extrusion device 4, the port of export at extrusion device 4 is provided with the preforming device 5 that joins with power set, it is characterized in that: the screw rod 8 in the described extrusion device 4 is conical screw, the length L that has the helical blade part on the screw rod 8 is 800～1100 millimeters, outside diameter D is 480～580 millimeters, end diameter d is 180～210 millimeters, and the bar core cone angle A of screw rod 8 is 4 °～6 °.
Twin-screw compressing tablet formula extruder of the present utility model, the dimensions of screw rod 8 its plasticating capacity in the running just matches with the binder removal ability of existing 110L type close (pinching) refining machine, can match with existing 110L type close (pinching) refining machine and work continuously, improve operating efficiency greatly.
Description of drawings
Fig. 1 is that the master of twin-screw compressing tablet formula extruder of the present utility model looks schematic diagram;
Fig. 2 is a schematic top plan view shown in Figure 1;
Fig. 3 is that the master of screw rod 8 looks schematic diagram;
Fig. 4 is a schematic top plan view shown in Figure 3.
The specific embodiment
As shown in the figure: 7 is support, can adopt the shaped steel welding production, also can adopt casting.Bolting has extrusion device motor 1 on support 7, extrusion device decelerator 2, speed ratio gear device 3, extrusion device 4, extrusion device motor 1 is gone into axle by the wheel of driving-belt and extrusion device decelerator 2 and is joined, the output shaft of extrusion device decelerator 2 connects one of them speed ratio gear in the speed ratio gear device 3, two speed ratio gears in the speed ratio gear device 3 are meshing with each other and are installed in the termination of two screw rods 8 in the extrusion device 4 respectively, form double screw extruder, be provided with preforming device 5 in the exit of extrusion device 4, preforming device 5 connects the output shaft of compressing tablet decelerator 10, the power shaft of compressing tablet decelerator 10 joins compressing tablet motor 9 by driving-belt and the compressing tablet motor 9 in the driving-belt shell 6, compressing tablet decelerator 10, preforming device 5 all is bolted on the support 7.Two screw rods 8 in extrusion device 4 are conical screw, be welded with helical blade 11 on it, the length L that has helical blade 11 parts on the screw rod 8 is 800 millimeters or 850 millimeters or 900 millimeters or 950 millimeters or 1000 millimeters or 1050 millimeters or 1100 millimeters, promptly all can between 800～1100 millimeters; Outside diameter D is 480 millimeters or 500 millimeters or 520 millimeters or 540 millimeters or 560 millimeters or 580 millimeters, promptly all can between 480～580 millimeters; End diameter d is 180 millimeters or 185 millimeters or 190 millimeters or 195 millimeters or 200 millimeters or 205 millimeters or 210 millimeters, promptly all can between 180～210 millimeters; The bar core cone angle A of screw rod 8 is 4 ° or 5 ° or 6 °, promptly all can between 4 °～6 °.The extruder of said structure can cooperate with existing 110L type close (pinching) refining machine works continuously, and has improved operating efficiency greatly.

Claims (1)

1, a kind of twin-screw compressing tablet formula extruder, it comprises support (7), on support (7), be provided with the extrusion device (4) of twin-screw, speed ratio gear device (3) intermeshing and that join with power set is equipped with in the termination of the twin-screw in the extrusion device (4), the port of export at extrusion device (4) is provided with the preforming device (5) that joins with power set, it is characterized in that: the screw rod (8) in the described extrusion device (4) is a conical screw, the length L that has the helical blade part on the screw rod (8) is 800～1100 millimeters, outside diameter D is 480～580 millimeters, end diameter d is 180～210 millimeters, and the bar core cone angle A of screw rod (8) is 4 °～6 °.
CNU2007200146812U 2007-09-25 2007-09-25 Double-screw tabletting type extrusion machine Expired - Fee Related CN201098991Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CNU2007200146812U CN201098991Y (en) 2007-09-25 2007-09-25 Double-screw tabletting type extrusion machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CNU2007200146812U CN201098991Y (en) 2007-09-25 2007-09-25 Double-screw tabletting type extrusion machine

Publications (1)

Publication Number Publication Date
CN201098991Y true CN201098991Y (en) 2008-08-13

Family

ID=39935523

Family Applications (1)

Application Number Title Priority Date Filing Date
CNU2007200146812U Expired - Fee Related CN201098991Y (en) 2007-09-25 2007-09-25 Double-screw tabletting type extrusion machine

Country Status (1)

Country Link
CN (1) CN201098991Y (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104044255A (en) * 2013-03-11 2014-09-17 昆山宝腾橡塑胶材料科技有限公司 Stirring extruding machine
EP3162532A4 (en) * 2014-06-30 2018-04-18 Nihon Spindle Manufacturing Co., Ltd. Biaxial extruder

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104044255A (en) * 2013-03-11 2014-09-17 昆山宝腾橡塑胶材料科技有限公司 Stirring extruding machine
EP3162532A4 (en) * 2014-06-30 2018-04-18 Nihon Spindle Manufacturing Co., Ltd. Biaxial extruder

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Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20080813

Termination date: 20160925

CF01 Termination of patent right due to non-payment of annual fee