CN204382619U - A kind of steel bonded carbide composite electric heating granulating head - Google Patents
A kind of steel bonded carbide composite electric heating granulating head Download PDFInfo
- Publication number
- CN204382619U CN204382619U CN201420668195.2U CN201420668195U CN204382619U CN 204382619 U CN204382619 U CN 204382619U CN 201420668195 U CN201420668195 U CN 201420668195U CN 204382619 U CN204382619 U CN 204382619U
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- Prior art keywords
- hole
- die head
- granulation
- annular
- discharge opening
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Classifications
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- 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
- B29B9/00—Making granules
- B29B9/02—Making granules by dividing preformed material
- B29B9/06—Making granules by dividing preformed material in the form of filamentary material, e.g. combined with extrusion
- B29B9/065—Making granules by dividing preformed material in the form of filamentary material, e.g. combined with extrusion under-water, e.g. underwater pelletizers
-
- 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
- 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
- B29B7/80—Component parts, details or accessories; Auxiliary operations
- B29B7/82—Heating or cooling
- B29B7/826—Apparatus therefor
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
Abstract
A kind of steel bonded carbide composite electric heating granulating head, comprises die head, heating rod, tempilstick and annular granulation band; Symmetrically on die head cylindrical wall be provided with multiple electrical heating hole, multiple electrically heated rod is plugged in multiple electrical heating hole respectively, the cylindrical wall of die head is provided with thermometer hole, tempilstick is plugged in thermometer hole, on the inwall of die head, annular is provided with multiple charging hole, on the die head outer wall that multiple charging hole is corresponding, annular is provided with multiple discharge opening respectively, multiple charging hole communicates with multiple discharge opening through necking down respectively, annular granulation band is provided with multiple granulation hole, and multiple granulation hole is corresponding with multiple discharge opening.Advantage of the present utility model: utilize electrically heated rod to heat die head operation interval, the temperature during die head is worked under water and the temperature difference remain in certain scope, ensure that granulation product granular size meets standard, and single machine production ability improves greatly simultaneously.
Description
Technical field
The utility model relates to the steel bonded carbide composite electric heating granulating head construction applications in granulation unit.
Background technology
Die head is the critical component in all granulation units, and it directly affects granulation product---the quality evaluation of particle is also the critical component evaluating granulation unit performance and used life.The easily damaged at work position of die head is exactly granulation band.Existing die head adopts the materials and process of 38CrMoAi case-carbonizing to make.Its service life is not enough half a year, and service life when meeting the plastics of the special trade mark is shorter.Change the time that die head needs to stop production more than half a day, not only add the difficulty of installing/dismounting, but also want the raw material of large losses.In addition; because of the effect of cooling water during comminutor operation; meeting rapid cooling between the partial zones of granulation band and discharge opening; the molten plastic solidification impact flowing making temperature lower; and the interval plastics flow velocity that is not a greater impact is accelerated, cause the generation of the big and small grain that cannot meet plastic particle finished products grade.
Utility model content
The purpose of this utility model is to improve antiwear characteristic, increases the service life, and can ensure that the die head granulation band temperature difference controls in the scope of permitting, and spy provides a kind of steel bonded carbide composite electric heating granulating head.
The utility model provides a kind of steel bonded carbide composite electric heating granulating head, it is characterized in that: described steel bonded carbide composite electric heating granulating head, comprises die head 1, heating rod 2, tempilstick 3 and annular granulation band 4, symmetrically on die head 1 cylindrical wall be provided with multiple electrical heating hole 5, multiple electrically heated rod 2 is plugged in multiple electrical heating hole 5 respectively, the cylindrical wall of die head 1 is provided with thermometer hole 6, tempilstick 3 is plugged in thermometer hole 6, on the inwall of die head 1, annular is provided with multiple charging hole 7, on die head 1 outer wall of multiple charging hole 7 correspondence, annular is provided with multiple discharge opening 8 respectively, multiple charging hole 7 communicates with multiple discharge opening 8 through necking down respectively, annular granulation band 4 is provided with multiple granulation hole 9, annular granulation 4 band is fixedly installed on die head 1 outer wall of multiple discharge opening 8 mouthfuls, multiple granulation hole 9 is corresponding with multiple discharge opening 8.
In work, molten plastic arrives granulation hole 9 by charging hole 7 through discharge opening 8, and plastics, at annular granulation band 4 surface and cooling water 10 cooling curing of granulation chamber 50-60 DEG C, are cut into particle by the grain-cutter blade 11 of High Rotation Speed.
The number of described heating rod 2 is 3 ~ 20.
In use, be arranged on by die head on the interface of granulation unit, molten plastic is pushed through in charging hole the utility model by unit, and when necking down arrives die head discharge opening, plastics are cut into particle by a pair cutting edge that on pelletizing blade and granulation band, multiple granulation hole is formed.
Electrically heated rod is installed to the position close to charging hole and discharge opening, solves the difficult problem because of the cooling of cooling water chamber die head temperature.The basic guarantee die head granulation band temperature difference controls in the scope of permitting.The material of die head granulation band is replaced by Steel-bonded Cemented Carbide, is composited through vacuum diffusion welding or Vacuum Soldering Technology and martensitic stain less steel or high heat conduction steel body.Steel construction Hardmetal materials has good antiwear characteristic, and its antiwear characteristic is higher than more than 5 times of such as high-speed steel or 38CrMoAi case-carbonizing.But also possess higher resistance to strong acid, highly basic and there is the red hardness of 800 DEG C.Because granulation carrying material has more interval than the plastic deformation of general Hardmetal materials, so adopt 3 mm of thickness sheet subregions to cover the solder technology of granulation belt surface, not only increase the firmness of welding, also reduce the difficulty of welding, relatively other adopts general carbide alloy, can only arrange solder technology, bar blocks solder technology improves more than 2 times with circular granular.
Advantage of the present utility model:
Steel bonded carbide composite electric heating granulating head described in the utility model, electrically heated rod is utilized to heat die head operation interval, temperature during die head is worked under water and the temperature difference remain in certain scope, ensure that granulation product granular size meets standard, single machine production ability improves greatly simultaneously.
Accompanying drawing explanation
Below in conjunction with drawings and the embodiments, the utility model is described in further detail:
Fig. 1 is steel bonded carbide composite electric heating granulating head structural representation;
Fig. 2 is that steel bonded carbide composite electric heating granulating head A-A is to side view.
Detailed description of the invention
Embodiment 1
Present embodiments provide a kind of steel bonded carbide composite electric heating granulating head, it is characterized in that: described steel bonded carbide composite electric heating granulating head, comprise die head 1, heating rod 2, tempilstick 3 and annular granulation band 4, symmetrically on die head 1 cylindrical wall be provided with multiple electrical heating hole 5, multiple electrically heated rod 2 is plugged in multiple electrical heating hole 5 respectively, the cylindrical wall of die head 1 is provided with thermometer hole 6, tempilstick 3 is plugged in thermometer hole 6, on the inwall of die head 1, annular is provided with multiple charging hole 7, on die head 1 outer wall of multiple charging hole 7 correspondence, annular is provided with multiple discharge opening 8 respectively, multiple charging hole 7 communicates with multiple discharge opening 8 through necking down respectively, annular granulation band 4 is provided with multiple granulation hole 9, annular granulation 4 band is fixedly installed on die head 1 outer wall of multiple discharge opening 8 mouthfuls, multiple granulation hole 9 is corresponding with multiple discharge opening 8.
In work, molten plastic arrives granulation hole 9 by charging hole 7 through discharge opening 8, and plastics, at annular granulation band 4 surface and cooling water 10 cooling curing of granulation chamber 50-60 DEG C, are cut into particle by the grain-cutter blade 11 of High Rotation Speed.
The number of described heating rod 2 is 3.
In use, be arranged on by die head on the interface of granulation unit, molten plastic is pushed through in charging hole the utility model by unit, and when necking down arrives die head discharge opening, plastics are cut into particle by a pair cutting edge that on pelletizing blade and granulation band, multiple granulation hole is formed.
Electrically heated rod is installed to the position close to charging hole and discharge opening, solves the difficult problem because of the cooling of cooling water chamber die head temperature.The basic guarantee die head granulation band temperature difference controls in the scope of permitting.The material of die head granulation band is replaced by Steel-bonded Cemented Carbide, is composited through vacuum diffusion welding or Vacuum Soldering Technology and martensitic stain less steel or high heat conduction steel body.Steel construction Hardmetal materials has good antiwear characteristic, and its antiwear characteristic is higher than more than 5 times of such as high-speed steel or 38CrMoAi case-carbonizing.But also possess higher resistance to strong acid, highly basic and there is the red hardness of 800 DEG C.Because granulation carrying material has more interval than the plastic deformation of general Hardmetal materials, so adopt 3 mm of thickness sheet subregions to cover the solder technology of granulation belt surface, not only increase the firmness of welding, also reduce the difficulty of welding, relatively other adopts general carbide alloy, can only arrange solder technology, bar blocks solder technology improves more than 2 times with circular granular.
Embodiment 2
Present embodiments provide a kind of steel bonded carbide composite electric heating granulating head, it is characterized in that: described steel bonded carbide composite electric heating granulating head, comprise die head 1, heating rod 2, tempilstick 3 and annular granulation band 4, symmetrically on die head 1 cylindrical wall be provided with multiple electrical heating hole 5, multiple electrically heated rod 2 is plugged in multiple electrical heating hole 5 respectively, the cylindrical wall of die head 1 is provided with thermometer hole 6, tempilstick 3 is plugged in thermometer hole 6, on the inwall of die head 1, annular is provided with multiple charging hole 7, on die head 1 outer wall of multiple charging hole 7 correspondence, annular is provided with multiple discharge opening 8 respectively, multiple charging hole 7 communicates with multiple discharge opening 8 through necking down respectively, annular granulation band 4 is provided with multiple granulation hole 9, annular granulation 4 band is fixedly installed on die head 1 outer wall of multiple discharge opening 8 mouthfuls, multiple granulation hole 9 is corresponding with multiple discharge opening 8.
In work, molten plastic arrives granulation hole 9 by charging hole 7 through discharge opening 8, and plastics, at annular granulation band 4 surface and cooling water 10 cooling curing of granulation chamber 50-60 DEG C, are cut into particle by the grain-cutter blade 11 of High Rotation Speed.
The number of described heating rod 2 is 10.
In use, be arranged on by die head on the interface of granulation unit, molten plastic is pushed through in charging hole the utility model by unit, and when necking down arrives die head discharge opening, plastics are cut into particle by a pair cutting edge that on pelletizing blade and granulation band, multiple granulation hole is formed.
Electrically heated rod is installed to the position close to charging hole and discharge opening, solves the difficult problem because of the cooling of cooling water chamber die head temperature.The basic guarantee die head granulation band temperature difference controls in the scope of permitting.The material of die head granulation band is replaced by Steel-bonded Cemented Carbide, is composited through vacuum diffusion welding or Vacuum Soldering Technology and martensitic stain less steel or high heat conduction steel body.Steel construction Hardmetal materials has good antiwear characteristic, and its antiwear characteristic is higher than more than 5 times of such as high-speed steel or 38CrMoAi case-carbonizing.But also possess higher resistance to strong acid, highly basic and there is the red hardness of 800 DEG C.Because granulation carrying material has more interval than the plastic deformation of general Hardmetal materials, so adopt 3 mm of thickness sheet subregions to cover the solder technology of granulation belt surface, not only increase the firmness of welding, also reduce the difficulty of welding, relatively other adopts general carbide alloy, can only arrange solder technology, bar blocks solder technology improves more than 2 times with circular granular.
Embodiment 3
Present embodiments provide a kind of steel bonded carbide composite electric heating granulating head, it is characterized in that: described steel bonded carbide composite electric heating granulating head, comprise die head 1, heating rod 2, tempilstick 3 and annular granulation band 4, symmetrically on die head 1 cylindrical wall be provided with multiple electrical heating hole 5, multiple electrically heated rod 2 is plugged in multiple electrical heating hole 5 respectively, the cylindrical wall of die head 1 is provided with thermometer hole 6, tempilstick 3 is plugged in thermometer hole 6, on the inwall of die head 1, annular is provided with multiple charging hole 7, on die head 1 outer wall of multiple charging hole 7 correspondence, annular is provided with multiple discharge opening 8 respectively, multiple charging hole 7 communicates with multiple discharge opening 8 through necking down respectively, annular granulation band 4 is provided with multiple granulation hole 9, annular granulation 4 band is fixedly installed on die head 1 outer wall of multiple discharge opening 8 mouthfuls, multiple granulation hole 9 is corresponding with multiple discharge opening 8.
In work, molten plastic arrives granulation hole 9 by charging hole 7 through discharge opening 8, and plastics, at annular granulation band 4 surface and cooling water 10 cooling curing of granulation chamber 50-60 DEG C, are cut into particle by the grain-cutter blade 11 of High Rotation Speed.
The number of described heating rod 2 is 20.
In use, be arranged on by die head on the interface of granulation unit, molten plastic is pushed through in charging hole the utility model by unit, and when necking down arrives die head discharge opening, plastics are cut into particle by a pair cutting edge that on pelletizing blade and granulation band, multiple granulation hole is formed.
Electrically heated rod is installed to the position close to charging hole and discharge opening, solves the difficult problem because of the cooling of cooling water chamber die head temperature.The basic guarantee die head granulation band temperature difference controls in the scope of permitting.The material of die head granulation band is replaced by Steel-bonded Cemented Carbide, is composited through vacuum diffusion welding or Vacuum Soldering Technology and martensitic stain less steel or high heat conduction steel body.Steel construction Hardmetal materials has good antiwear characteristic, and its antiwear characteristic is higher than more than 5 times of such as high-speed steel or 38CrMoAi case-carbonizing.But also possess higher resistance to strong acid, highly basic and there is the red hardness of 800 DEG C.Because granulation carrying material has more interval than the plastic deformation of general Hardmetal materials, so adopt 3 mm of thickness sheet subregions to cover the solder technology of granulation belt surface, not only increase the firmness of welding, also reduce the difficulty of welding, relatively other adopts general carbide alloy, can only arrange solder technology, bar blocks solder technology improves more than 2 times with circular granular.
Claims (2)
1. a steel bonded carbide composite electric heating granulating head, it is characterized in that: described steel bonded carbide composite electric heating granulating head, comprise die head (1), heating rod (2), tempilstick (3) and annular granulation band (4), symmetrically on die head (1) cylindrical wall be provided with multiple electrical heating hole (5), multiple electrically heated rod (2) is plugged in multiple electrical heating hole (5) respectively, the cylindrical wall of die head (1) is provided with thermometer hole (6), tempilstick (3) is plugged in thermometer hole (6), on the inwall of die head (1), annular is provided with multiple charging hole (7), on die head (1) outer wall that multiple charging hole (7) is corresponding, annular is provided with multiple discharge opening (8) respectively, multiple charging hole (7) communicates with multiple discharge opening (8) through necking down respectively, annular granulation band (4) is provided with multiple granulation hole (9), annular granulation (4) band is fixedly installed on die head (1) outer wall of multiple discharge opening (8) mouth, multiple granulation hole (9) is corresponding with multiple discharge opening (8).
2. according to steel bonded carbide composite electric heating granulating head according to claim 1, it is characterized in that: the number of described heating rod (2) is 3 ~ 20.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420668195.2U CN204382619U (en) | 2014-11-10 | 2014-11-10 | A kind of steel bonded carbide composite electric heating granulating head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420668195.2U CN204382619U (en) | 2014-11-10 | 2014-11-10 | A kind of steel bonded carbide composite electric heating granulating head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204382619U true CN204382619U (en) | 2015-06-10 |
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ID=53355370
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420668195.2U Active CN204382619U (en) | 2014-11-10 | 2014-11-10 | A kind of steel bonded carbide composite electric heating granulating head |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204382619U (en) |
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2014
- 2014-11-10 CN CN201420668195.2U patent/CN204382619U/en active Active
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |