CN103056956A - Feeding method and feeding device of extruder - Google Patents
Feeding method and feeding device of extruder Download PDFInfo
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- CN103056956A CN103056956A CN2012105501248A CN201210550124A CN103056956A CN 103056956 A CN103056956 A CN 103056956A CN 2012105501248 A CN2012105501248 A CN 2012105501248A CN 201210550124 A CN201210550124 A CN 201210550124A CN 103056956 A CN103056956 A CN 103056956A
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Abstract
The invention discloses a feeding method of an extruder. After raw materials are fed into a die cavity of the extruder and before raw materials are extruded, fluid which can stir raw materials till raw materials are distributed evenly is input into the die cavity, or a stirring device is used for conducting homogenization operation to raw materials. Accordingly, by the aid of the method, based on a prior feeding method, the fluid is input or the stirring device is used, raw materials which are fed into the extruder can be distributed in the die cavity uniformly, raw materials can be distributed in the die cavity evenly, produced products can be pressed evenly, and products cannot be damaged. The invention also provides a feeding device. Based on the prior extruder, a gas inlet is arranged on the feeding side of the die cavity, a gas outlet is arranged on the discharging side of the die cavity, and the gas inlet is communicated with a gas supplying device which can provide compressed air.
Description
Technical field
The present invention relates to the extrusion equipment technical field, more particularly, relate to a kind of feed process of extrusion equipment, also relate to a kind of feed arrangement.
Background technology
Extrusion equipment is a kind of mode by extruding, loose raw material is made the equipment of the block section bar of structure consolidation.Common, extrusion equipment is used for wood chip, wood chip are squeezed into the bulk of consolidation, reducing cost of transportation, or is used for being squeezed into the timber with definite shape through certain wood chip of processing, and such as plank, timber wedge or wooden unit etc., uses as regeneration timber.
Fig. 1 shows and a kind of wood chip, wood chip is made the extrusion equipment of the consolidation wooden unit of being convenient to transport, and comprises the pressing mechanism 1 that carries out extrusion operation take hydraulic pressure as power, is used for storing and the feed bin 2 of wood chip in bulk, wood chip is provided and the Hydraulic Station 3 of hydraulic power is provided as pressing mechanism 1 to pressing mechanism 1.
Fig. 2 is the structural representation of pressing mechanism 1.In pressing mechanism 1, comprise screw feed device 10, the packed tower 11 that is arranged on the feed worm end, the filler cylinder 12 that is arranged on packed tower 11 tops, the master cylinder 13 that is arranged on packed tower 11 bottoms that are connected with feed bin 2, be arranged on master cylinder 13 offsides and the die cavity 14 that is connected with packed tower 11 and be arranged on discharging opening on the die cavity 14.Wherein, filler cylinder 12 is along the short transverse setting of packed tower 11, and moving up and down in packed tower 11 under the driving of hydraulic pressure; Master cylinder 13 is perpendicular to the short transverse setting of packed tower 11, and the central lines of the axis of master cylinder 13 and die cavity 14; One end of die cavity 14 is connected with the bottom of packed tower 11, and the other end is connected with discharging opening opening or closing.When extrusion equipment was in original state, filler cylinder 12 and master cylinder 13 all were in contraction state; With a certain amount of raw material after screw feed device 10 is sent in the packed tower 11, filler cylinder 12 is first to pressing down, with the preliminary compacting of raw material, then master cylinder 13 stretches out, the raw material that makes preliminary compacting by further compacting, forms the block finished product of consolidation in die cavity 14.At last, finished product is exported by discharging opening.
Above-mentioned extrusion equipment can be good at finishing the task of wood chip, wood chip being processed as block finished product in theory.But, as shown in Figure 2, owing to become a L shaped three-dimensional cavity after packed tower 11 and die cavity 14 are communicated with, when raw material relies on gravity to fall and is pressed down by filler cylinder 12 from the top of L shaped three-dimensional cavity, part material has entered in the die cavity 14, and is in die cavity 14 by packed tower 11 to the distribution of successively decreasing of discharging opening direction height.When master cylinder 13 is protruding, because the feed distribution in the die cavity 14 is inhomogeneous, can there be the local defective that does not press tightly on the finished product.When the small volume of finished product, this defective is also not obvious, but when the size of finished product is exaggerated after, this defective also is exaggerated, and the local defect place of finished product is not compacted, and wood chip, wood chip come off easily, is reflected as easily breakage of finished product, and is off quality.
By the above, how a kind of feed process or device of extrusion equipment are provided, can not be compacted to reduce or to eliminate the finished product part that causes because of the feed distribution inequality in the die cavity, damaged problem becomes the technical problem that those skilled in the art need solution badly easily.
Summary of the invention
In view of this, the invention provides a kind of feed process and a kind of feed arrangement of extrusion equipment, can not be compacted to reduce or to eliminate the finished product part that causes because of the feed distribution inequality in the die cavity, easily damaged problem.
For achieving the above object, the invention provides following technical scheme:
A kind of feed process of extrusion equipment, in beginning is in the die cavity of extrusion equipment, send into raw material after, and before raw material is pushed, further comprising the steps of: input can be stirred raw material to equally distributed fluid in the die cavity;
Or utilize agitating device that raw material is carried out again homogenizing stirring of raw material.
Preferably, in above-mentioned feed process, fluid is from the below input die cavity of die cavity charging one side.
Preferably, in above-mentioned feed process, fluid is compressed air.
Preferably, in above-mentioned feed process, compressed air is drawn out of from die cavity discharging one side top.
Preferably, in above-mentioned feed process, homogenizing stirs and to be specially the agitator that utilizes in the agitating device raw material is stirred again.
The invention provides a kind of feed process of extrusion equipment, on the basis of existing feed process, after in the die cavity of extrusion equipment, sending into raw material, simultaneously before raw material is pushed, input can be stirred raw material to equally distributed fluid in the die cavity, or utilizes agitating device that raw material is carried out in homogenization operation.
Can find out, in the feed process of extrusion equipment provided by the present invention, by on the basis of existing feed process, utilize input fluid or utilize the means such as agitating device, raw material in the input extrusion equipment is evenly distributed in die cavity, thereby reduce even eliminated the phenomenon of die cavity Raw skewness, so that the finished product of producing can by even compacting, avoid finished product damaged problem to occur.
A kind of feed arrangement is provided with air inlet in charging one side of the die cavity of extrusion equipment, and discharging one side of die cavity is provided with the gas outlet, and air inlet is connected with the feeder that Compressed Gas can be provided.
Preferably, in above-mentioned feed arrangement, air inlet is arranged on the bottom of die cavity, and the gas outlet is arranged on the top of die cavity.
Preferably, in above-mentioned feed arrangement, also comprise the filter screen that can prevent that raw material from passing through, filter screen setting and the place ahead of gas outlet in die cavity.
Preferably, in above-mentioned feed arrangement, feeder is air compressor.
Preferably, in above-mentioned feed arrangement, also comprise the air extractor that is connected with the gas outlet.
The present invention also provides a kind of feed arrangement, on the basis of existing extrusion equipment, is provided with air inlet in charging one side of die cavity, and discharging one side at die cavity is provided with the gas outlet simultaneously, and air inlet is connected with the feeder that Compressed Gas can be provided.
When feed arrangement work provided by the present invention, at first, inputting raw material in the die cavity (both can be for having inputted whole raw materials, also can input first a part of raw material), at this moment, the top of inner discharging one side of die cavity does not exist is filled full hole by raw material, and raw material does not evenly distribute in die cavity; Afterwards, utilize in the feeder phase die cavity and input Compressed Gas, Compressed Gas drives raw material continuous tumbling motion in die cavity after entering die cavity; Afterwards, Compressed Gas is discharged through the gas outlet, and the raw material in the die cavity has been realized even distribution under the drive of Compressed Gas at this moment; At last, can use extrusion equipment to produce qualified finished product.
Can be found out that by above feed arrangement provided by the present invention is on the basis of existing feed arrangement, by input Compressed Gas in die cavity, realizes making the raw material in the die cavity equally distributed.And then so that the finished product of producing can by even compacting, avoid finished product damaged problem to occur.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art, the below will do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art, apparently, accompanying drawing in the following describes only is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the structural representation of existing extrusion equipment;
Fig. 2 is the structural representation of pressing mechanism in the existing extrusion equipment;
Fig. 3 is the structural representation of feed arrangement provided by the present invention.
Among above Fig. 1-3:
Pressing mechanism 1, feed bin 2, Hydraulic Station 3, screw feed device 10, packed tower 11, filler cylinder 12, master cylinder 13, die cavity 14, air inlet 010 and gas outlet 011.
The specific embodiment
The embodiment of the invention discloses a kind of feed process and a kind of feed arrangement of extrusion equipment, by reducing or eliminating skewness because of the raw material in the die cavity, to realize that solving the finished product part can not be compacted, the easy purpose of damaged problem.
Below in conjunction with the accompanying drawing in the embodiment of the invention, the technical scheme in the embodiment of the invention is clearly and completely described, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills belong to the scope of protection of the invention not making the every other embodiment that obtains under the creative work prerequisite.
The embodiment of the invention provides a kind of feed process of extrusion equipment, beginning raw material is sent among the die cavity of extrusion equipment, and when not carrying out extrusion operation, input can be stirred raw material to equally distributed fluid in the die cavity, or utilizes agitating device that raw material is carried out homogenizing again and stir.
By utilizing input fluid or utilizing the modes such as agitating device, raw material in the input extrusion equipment is evenly distributed in die cavity, thereby reduce even eliminated the phenomenon of die cavity Raw skewness, so that the finished product of producing can by even compacting, avoid the problem of ready-made article breakage.
In the feed process that above-described embodiment provides, after beginning raw material is sent among the die cavity of extrusion equipment, to wherein having inputted fluid (or carry out again homogenizing and stir).It will be understood by those skilled in the art that, having inputted the operation of fluid (or carry out homogenizing again and stir) both can carry out after raw material all being sent in the die cavity, also can after sending into part material, carry out, can also be to send into raw material on one side, on one side input fluid (or carry out again homogenizing and stir).
Concrete, in the feed process that above-described embodiment provides, in the below input die cavity of fluid by the die cavity feed entrance point.Because raw material enters in the die cavity under action of gravitation, generally, die cavity charging one side is piled up more raw material, the hole then occurs in a side of discharging.Input fluid below the die cavity feed entrance point, higher kinetic energy in the time of can better entering die cavity by fluid breaks up the raw material that is piled up in herein, thereby under the drive of fluid, raw material is evenly distributed in die cavity.
Preferably, in the feed process that above-described embodiment provides, employed fluid is compressed air.Fluid is the general name of liquids and gases, not affecting extrusion equipment work and not reducing under the prerequisite of quality of finished product, can input the fluid of any kind, eliminates the hole in the raw material.But, based on the consideration that reduces cost, the fluid of selecting compressed air to move as the drive raw material.Compressed air can be prepared by equipment such as air compressors, and its cost is comparatively cheap.Simultaneously, can be extruded the raw material of equipment processing, be common material mostly, generally can not react with air, and compressed air can not exert an adverse impact to it yet.
Move in order to make the compressed air of inputting in the die cavity better drive raw material, on the basis of the feed process that above-described embodiment provides, also comprise compressed air is extracted out from the top of die cavity discharging position.Be understandable that, hole in the raw material generally can appear at the top of die cavity discharging one side, extract out herein by the compressed air that will input die cavity, can utilize the motion of air-flow, drive raw material to the motion of place, hole, thereby reduce even eliminates the hole, make raw material evenly distribution in die cavity, and then so that the finished product of producing can by even compacting, avoid the problem of ready-made article breakage.
Simultaneously, in the feed process that the embodiment of the invention provides, can also raw material evenly be distributed in die cavity.Concrete, the homogenizing whipping step is to utilize the agitator in the agitating device that the raw material that is arranged in die cavity is stirred again, thereby makes its even distribution, and then so that the finished product of producing can by even compacting, avoid the problem of ready-made article breakage.
The embodiment of the invention also provides a kind of feed arrangement, be applied in the extrusion equipment, this device is based on existing feed arrangement, simultaneously, as shown in Figure 3, die cavity 14 at extrusion equipment is provided with air inlet 010 and gas outlet 011, and the feeder (not shown) that is connected with air inlet 010.Air inlet 010 is arranged on charging one side of die cavity 1, and the gas outlet is arranged on discharging one side of die cavity.
When feed arrangement work provided by the present invention, at first, inputting raw material in the die cavity (both can be for having inputted whole raw materials, also can input first a part of raw material), at this moment, the top of inner discharging one side of die cavity does not exist is filled full hole by raw material, and raw material does not evenly distribute in die cavity; Afterwards, utilize in the feeder phase die cavity and input Compressed Gas, Compressed Gas drives raw material continuous tumbling motion in die cavity after entering die cavity; Afterwards, Compressed Gas is discharged through the gas outlet, and the raw material in the die cavity has been realized even distribution under the drive of Compressed Gas at this moment; At last, can use extrusion equipment to produce qualified finished product.
Can be found out that by above feed arrangement provided by the present invention is on the basis of existing feed arrangement, by input Compressed Gas in die cavity, realizes making the raw material in the die cavity equally distributed.And then so that the finished product of producing can by even compacting, avoid finished product damaged problem to occur.
It will be understood by those skilled in the art that, in the feed arrangement that above-described embodiment provides, at first, because extrusion equipment is of a great variety, on different extrusion equipments, feed arrangement may have different concrete structures, therefore in the above-described embodiments only from core point of the present invention: air inlet 010, gas outlet 011 and feeder are set describe; Secondly, owing to do not need feeder constantly in air inlet 010, to input Compressed Gas in the feed arrangement, therefore, in feed arrangement, also comprise for the control valve of control feeder etc.
Preferably, in the feed arrangement that above-described embodiment provides, air inlet 010 is arranged on the bottom of die cavity 14, and gas outlet 011 is arranged on the top of die cavity.Generally speaking, send into raw material in extrusion equipment after, the raw material that is positioned at the accumulation of die cavity 14 chargings one side is more, and the hole then appears at the top of die cavity 14 dischargings one side.By air inlet 010 being arranged on the bottom of die cavity 14 chargings one side, and gas outlet 011 is arranged on the bottom of die cavity 14 discharging directions one side, input Compressed Gas from air inlet 010, and with it by in 011 discharge process of gas outlet, air-flow is piled up a more side-blown to the direction in hole from raw material, thereby the raw material that better drives in the die cavity 14 moves to the hole direction, thereby realize the raw material in the die cavity is evenly distributed, make the finished product of producing by even compacting, to have avoided finished product damaged problem to occur.
What can expect is, the raw material that extrusion equipment is processed is the comparatively loose material of various Powdered, graininess or sheet, in input Compressed Gas and discharge process in die cavity 14, have part material and enter in gas outlet 011 and the coupled logical pipeline with air-flow, this can cause the problems such as pipeline blockage.For fear of this phenomenon, on the basis of the feed arrangement that above-described embodiment provides, also comprise screen pack in the feed arrangement that present embodiment provides.Screen pack is arranged in the die cavity 14, and is positioned at the place ahead of gas outlet 011, thereby prevents that raw material from entering in the gas outlet 011, thus the appearance of having avoided raw material to stop up gas outlet 011 and coupled siphunculus road problem.
Preferably, in the feed arrangement that above-described embodiment provides, the feeder that Compressed Gas is provided is air compressor.Air compressor is a kind of common pressure generator, usually utilizes internal combustion engine or motor-driven, and it uses flexible and convenient.Simultaneously, the compressed air that provides of air compressor also has low, the free of contamination advantage of cost.
Further, can better realize the homogenising of raw material is processed in order to make feed arrangement that above-described embodiment provides, also comprise air extractor in the feed arrangement that present embodiment provides, air extractor is connected with gas outlet 011.When in die cavity 14, sending into Compressed Gas, utilize air extractor by gas outlet 011 gas in the die cavity 14 to be extracted out.By air extractor is set, make the mobile directionality that has more of air-flow in the die cavity 14, simultaneously, reduced the air pressure of needed Compressed Gas, simplified feed arrangement.
Each embodiment adopts the mode of going forward one by one to describe in this specification, and what each embodiment stressed is and the difference of other embodiment that identical similar part is mutually referring to getting final product between each embodiment.
To the above-mentioned explanation of the disclosed embodiments, make this area professional and technical personnel can realize or use the present invention.Multiple modification to these embodiment will be apparent concerning those skilled in the art, and General Principle as defined herein can in the situation that does not break away from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention will can not be restricted to these embodiment shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (10)
1. the feed process of an extrusion equipment, it is characterized in that, send into raw material in beginning is in the die cavity of described extrusion equipment after, and before described raw material is pushed, further comprising the steps of: input can be stirred described raw material to equally distributed fluid in the described die cavity;
Or utilize agitating device that described raw material is carried out again homogenizing stirring of raw material.
2. feed process according to claim 1 is characterized in that, described fluid is inputted the described die cavity from the below of described die cavity charging one side.
3. feed process according to claim 2 is characterized in that, described fluid is compressed air.
4. feed process according to claim 3 is characterized in that, described compressed air is drawn out of from described die cavity discharging one side top.
5. feed process according to claim 1 is characterized in that, described again homogenizing stirring is specially the agitator that utilizes in the described agitating device described raw material is stirred.
6. a feed arrangement is characterized in that, is provided with air inlet in charging one side of the die cavity of extrusion equipment, and discharging one side of described die cavity is provided with the gas outlet, and described air inlet is connected with the feeder that Compressed Gas can be provided.
7. feed arrangement according to claim 6 is characterized in that, described air inlet is arranged on the bottom of described die cavity, and described gas outlet is arranged on the top of described die cavity.
8. feed arrangement according to claim 6 is characterized in that, also comprises the filter screen that can prevent that raw material from passing through, described filter screen setting with in the place ahead of gas outlet described in the described die cavity.
9. feed arrangement according to claim 6 is characterized in that, described feeder is air compressor.
10. feed arrangement according to claim 6 is characterized in that, also comprises the air extractor that is connected with described gas outlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210550124.8A CN103056956B (en) | 2012-12-18 | 2012-12-18 | The feed process of extrusion equipment and feed arrangement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210550124.8A CN103056956B (en) | 2012-12-18 | 2012-12-18 | The feed process of extrusion equipment and feed arrangement |
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| Publication Number | Publication Date |
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| CN103056956A true CN103056956A (en) | 2013-04-24 |
| CN103056956B CN103056956B (en) | 2015-09-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210550124.8A Expired - Fee Related CN103056956B (en) | 2012-12-18 | 2012-12-18 | The feed process of extrusion equipment and feed arrangement |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107457934A (en) * | 2017-06-13 | 2017-12-12 | 东莞市汇如涞电能科技有限公司 | A kind of plastic grain homogenization silo |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1048349A (en) * | 1989-02-14 | 1991-01-09 | Csr有限公司 | Modified sheet material processing technology and device |
| DE19956417A1 (en) * | 1999-11-24 | 2001-05-31 | Karl Schedlbauer | Small particle material feeding system for an extruder, comprises a descending, vibrating track to produce particle movement |
| CN1298339A (en) * | 1998-04-30 | 2001-06-06 | 戴伸工业公司 | Device and method for synthetic resin internal die foam molding and internal die foam molded product obtained by these device and method |
| US20030214067A1 (en) * | 2001-04-30 | 2003-11-20 | Murdock David E | Twin screw extruders for processing wood fiber and process for same |
| CN203185462U (en) * | 2012-12-18 | 2013-09-11 | 刘丽阁 | Feeding device of extrusion equipment |
-
2012
- 2012-12-18 CN CN201210550124.8A patent/CN103056956B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1048349A (en) * | 1989-02-14 | 1991-01-09 | Csr有限公司 | Modified sheet material processing technology and device |
| CN1298339A (en) * | 1998-04-30 | 2001-06-06 | 戴伸工业公司 | Device and method for synthetic resin internal die foam molding and internal die foam molded product obtained by these device and method |
| DE19956417A1 (en) * | 1999-11-24 | 2001-05-31 | Karl Schedlbauer | Small particle material feeding system for an extruder, comprises a descending, vibrating track to produce particle movement |
| US20030214067A1 (en) * | 2001-04-30 | 2003-11-20 | Murdock David E | Twin screw extruders for processing wood fiber and process for same |
| CN203185462U (en) * | 2012-12-18 | 2013-09-11 | 刘丽阁 | Feeding device of extrusion equipment |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107457934A (en) * | 2017-06-13 | 2017-12-12 | 东莞市汇如涞电能科技有限公司 | A kind of plastic grain homogenization silo |
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| CN103056956B (en) | 2015-09-30 |
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Effective date of registration: 20160407 Address after: Zhifu moon road APEC Industrial Park in Shandong province Yantai City, No. 47, 264000 Patentee after: Liu Lige Patentee after: YANTAI BOHAI WOODWORKING MACHINE CO., LTD. Address before: 264006 Shandong province Yantai city blue sky Yantai economic and Technological Development Zone No. 27 building 3 unit 13 Patentee before: Liu Lige |
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Granted publication date: 20150930 Termination date: 20171218 |