CN203591855U - Shredding machine with hook-typed cutters - Google Patents

Abstract

The utility model provides a shredding machine with hook-typed cutters. The shredding machine comprises a shell, wherein a rotating shaft is arranged inside accommodating space of the shell, and comprises a body and a conveying blade; the conveying blade is wound around the body in a spiral manner to form a conveying groove; a moving cutter group is arranged in the conveying groove, and is matched with a fixed cutter group arranged on the inner wall of the accommodating space in order to shred materials. According to the shredding machine, the moving cutter group and the fixed cutter group all adopt the hook-typed cutters, so that compression and volume reduction, as well as shredding and conveying, of the materials are realized simultaneously, energy consumption is reduced, and working efficiency is improved.

Description

There is the shredder of hook-type cutter

Technical field

The utility model relates to a kind of material and tears up equipment, relates in particular to a kind of shredder, and it adopts hook-type cutter is moving knife, coordinate with the stationary knife of same structure, and for tearing up waste or used plastics goods, as: plastic sheeting.

Background technology

In human being's production life process unwanted or useless solid or liquid material be referred to as rubbish.From different perspectives, contained rubbish material can be carried out to various classification: the recyclable rubbish of organic waste and inorganic refuse, house refuse and industrial refuse and not recyclable rubbish etc.Along with improving constantly of population increase and quality of life, the quantity of house refuse is also in continuous growth.Air storage rubbish is is not only occupied a large amount of soils, is produced a large amount of pernicious gases, also causes the severe contamination of atmospheric environment, and the pollution of periphery water body.

Garbage loading embeading and burning are the main processing modes of current house refuse, because the organic matter of about 50% left and right in rubbish exists, make landfill disposal can produce a large amount of greenhouse gases, percolate and foul gas, and environment is caused to harmful effect.Burning disposal is because existing combustible calorific value too low, and gas cleaning expense is too high, and burning facility fluctuation of service etc. is inevitably brought the problem such as environmental pollution and the wasting of resources; And comprehensive garbage disposal is not mature enough because of organic matter fermentation technology, fermentation time is long, and its application is subject to certain restrictions.

The house refuse that people's daily life produces generally can be divided into four large classes: recyclable rubbish, rubbish from cooking, Harmful Waste and Other Waste.Wherein, callable rubbish mainly comprises again the five large classes such as waste paper, plastics, glass, metal and cloth.In order to reduce occupation of land, to reduce environmental pollution and turning waste into wealth, to realize trash processing way and fill up and burning mode is changed to resource regeneration mode from traditional, categorized consumer waste is the prerequisite of domestic garbage resource.

Due to being widely used of plastic products, and pollution on the environment and destruction, its recycling is paid attention to day by day.The steps such as the plastic products that reclaim generally need to enter to remove sand, fragmentation, cleaning, dehydration and granulation could be utilized again.Under normal circumstances, in the links that uses and reclaim of plastic products, can make the waste or used plastics surface of reclaiming have adhesion or wrap up some silt materials.For the consideration of recycling economy, can be by further granulation, so that it obtains repeating recycling after technics of reclaim of plastic waste.For ease of the carrying out of granulating working procedure, general all will first carry out break process to the waste or used plastics of retrieving, to realize the object that subtracts appearance, afterwards or more successively through clean and dry after, be used to granulation.

In plastics recovery regeneration industry, it mainly adopts the shredder will be such as: the materials such as PE plastic pipe, plastic sheeting, plastic sheet and plastics bait are shredded into compared with fractionlet so that cycling and reutilization.The mode of tearing up of shredder mainly contains: 1) shearing, adopt twin shaft (or four axles) cutter, to shred material; 2) Rolling cutting type, is about to be provided with the rotatable roll shaft of multiple blades, forms and tears up material to cutting with the blade that is fixed on cavity inner wall; 3) three kinds of tearing types etc.

Chinese utility model patent ZL02268347.X discloses a kind of plastic breaker, on body inwall, is fixed with stationary knife, has moving knife in rotating shaft, under rotating shaft, has screen cloth, and the oblique upper of rotating shaft has broken blade row, under broken blade row, has striker plate.

Chinese utility model patent ZL200820202669.9 discloses a kind of plastic shredding machine, comprise frame, motor, reduction box, arbor wheel, blade, hopper, cut somebody's hair, oil cylinder, hydraulic means and electric control gear, wherein hydraulic means is connected with oil cylinder, motor is connected with reduction box by driving-belt, work arbor wheel with rotating blade is set in frame, stationary knife seat is installed in arbor wheel machine frame at two sides, on stationary knife seat, ledger-plate is installed.When work, cut somebody's hair, under piston rod effect, material to be broken is pushed into work arbor wheel, make the rotating blade on arbor wheel in rotary course, constantly cut, tear up material.This technology can be broken into waste or used plastics granularity 40-80mm block.

Chinese invention patent application 200910154703.9 discloses a kind of crushing mechanism of plastic breaker, comprise by power transmission shaft, stationary knife and movable cutter set and forming, described movable cutter set comprises some push type broach and dise knife composition, described push type broach is installed on power transmission shaft by concentric axis hole with dise knife, and movable cutter set both sides arrange respectively one group of stationary knife; Described movable cutter set comprises by three push type broach and four dise knifes and forming, described push type broach is that tri-lobed helical structure and each push type broach are provided with three R shape push type broach edges of a knife, and some blade overall alignment of described dise knife are that spiral V character form structure and each dise knife are provided with some R shape dise knife edges of a knife; Described stationary knife inboard is provided with the stationary knife edge of a knife matching with moving knife part.This crushing mechanism forms by organizing cutter more, and maintenance and replacing exist certain difficulty.

Chinese invention patent application 201010255155.1 discloses a kind of plastic breaker, comprises crush box, dead knife, combination cutter and is fixed with the main shaft that combines cutter.Crush box is semicircle cylindricality casing, in the both ends of the surface of casing, has dead eye, and the two ends that are fixed with the main shaft of combination cutter have respectively the bearing being placed in dead eye, and described lower box is provided with affixed semicircular sieve plate.This disintegrating machine adopts two kinds of cutters, and cutter hub cannot separate with blade, need change simultaneously, causes certain difficulty to machine maintenance and part replacement.

Chinese invention patent application 200910262112.3 discloses the multifunctional shearing mechanism in a kind of plastic block crusher, comprise movable blade fixed framework and stationary knife fixed mount, on movable blade fixed framework and stationary knife fixed mount, be fixedly installed respectively moving knife and stationary knife, in moving knife and movable blade fixed framework, be respectively arranged with some mounting holes that cooperatively interact, moving knife is arranged in movable blade fixed framework by the moving knife set bolt cooperatively interacting with mounting hole, be respectively arranged with some mounting holes that cooperatively interact at stationary knife and stationary knife fixed mount, stationary knife is arranged on stationary knife fixed mount by the stationary knife set bolt cooperatively interacting with mounting hole.This device has solved blade and should use and need the problem of changing, but the not fine solution of its discharging and charging, and the work continuity of device is not high.

Gap between desirable moving knife and stationary knife is 0.2～0.4mm, requires cutting angle necessary sharp-pointed.All kinds of broken disintegrating apparatus (as shown in Figure 1 with shown in Fig. 2) of understanding at present, moving knife 1 and stationary knife 2 mostly adopt flat cutter, and the contact area of blade and material is large, and the resistance of cutter is large, and the degree of wear is high.Through several workaday uses, the gap 3 between moving knife and stationary knife can exceed 0.4mm, even reaches 2mm; And cutting angle 4 has become circular arc (as shown in Figure 3) bar none.The thickness of duroplasts is 0.1～3mm, the thickness 0.04～1mm of plastic sheeting.Obviously, the gap of cutter can not guarantee the needs of cutting gap, and processed plastics are sandwiched in the gap of moving knife and stationary knife conventionally, causes process neither cutting entirely, neither entirely tear up, but mixed types such as " cut, tear up, pull, push and rub ".

The increase in the gap between moving knife and stationary knife, also makes to sneak into the material among the gap of moving knife and stationary knife, produces huge expansive force and frictional force, and putty phenomenon occurs.In order to address this problem, comparatively simple scheme is to increase motor power, with overcome friction.Although drop into very large power, effect can not be satisfactory.As: the Nagano shredder of Korea S, power is 110kw, average productive capacity is no more than 400kg/h; And for example: the JAC shredder that TaiWan, China is manufactured, use 300kw motor, average productive capacity is 800kg/h; Dust Wien shredder, uses 110kw motor, and average productive capacity is 500～600kg/h.But these equipment still need frequently more allowing blade replacement, putty phenomenon also fails to solve.

Existing these technology and product, many defects such as still large, the cutter changing of ubiquity power consumption is frequent, putty fault rate is high and use cost is high.

Utility model content

An object of the present utility model is to provide a kind of shredder with hook-type cutter, adopts hook-type cutter to tear up material, improves the efficiency that material tears up, and reduces energy consumption, reduces the replacing frequency of cutter.

Another object of the present utility model is to provide one to tear mechanism, many group hook-type cutters are set in its rotating shaft, shear and coordinate with the stationary knife of identical or approximate construction, in mass transport, realize tearing up of material, and complete in time the clear material to cutter, improve the continuity of tearing up of material, enhance productivity.

A kind of shredder with hook-type cutter that the utility model provides, comprises

Housing, comprises accommodation space;

Turning cylinder, comprises body and conveying blade, and conveying blade is set around body with helical form, and forms delivery chute;

Movable cutter set, comprises some main cutting cuttves and some from bite, and each main cutting cutter, along the radially setting of body, is provided with the first interval between each adjacent main cutting cutter, and above or below each the first interval, 1 of relative set is from bite; Along body axially, each is provided with the second interval between its corresponding the first interval of bite;

Stationary knife group, comprise some cutting stationary knifes and some clear material cuttves, each cutting stationary knife is located at accommodation space inwall, and 1 clear material cutter of relative set above every odd number part or even number part cutting stationary knife is provided with the 3rd interval between each clear material cutter and its corresponding each cutting stationary knife;

Each main cutting cutter can pass through in the 3rd interval, and each cutting stationary knife can pass through in the second interval.

Shredder of the present utility model, each main cutting cutter is hook-type cutter, comprise operator body, operator seat and main cutting portion, operator seat is located at delivery chute, main cutting portion comprises the moving rake face that diameter (φ) is 90 ± 10mm, and selectable employing, as: but be not limited only to the moving rear knife face that diameter is 230 ± 30mm.

Shredder of the present utility model, each cutting stationary knife hook-type cutter, comprise stationary knife body, stationary knife seat and determine cutting portion, stationary knife seat is located at delivery chute, determine the rake face of determining that cutting portion comprises that diameter (φ) is 90 ± 10mm, and selectable employing, as: but be not limited only to the fixed rear knife face that diameter is 230 ± 30mm.

Preferential selection, shredder of the present utility model, each main cutting knife structure is identical.

Preferential selection, shredder of the present utility model, each cutting stationary knife structure is identical.

Preferential selection, shredder of the present utility model, each main cutting cutter is all identical with each cutting stationary knife structure.

Shredder of the present utility model, for tearing up material simultaneously, improves the transfer efficiency of material, and operator seat for being less than 90 °, is preferentially selected 80 ° ± 5 ° with the axial angle of body.

Shredder of the present utility model, the pitch of its conveying blade and the ratio of diameter are less than 1, to avoid material at rotating shaft, cutting stationary knife and to expect clearly the generation of bridging phenomenon on cutter, improve the continuity of tearing up of material, enhance productivity.

Shredder of the present utility model, also comprises driving mechanism, is connected with rotating shaft one end.

The beneficial effect that technical solutions of the utility model realize:

The shredder that the utility model provides, arranges some main cutting cuttves by the delivery chute place in helical feed rotating shaft, and the compression that integrates material subtracts appearance, carries and tears up, realize when material compression subtracts appearance, complete material and tear up and carry, reduced energy consumption, improved operating efficiency.The technical scheme that adopts movable cutter set and stationary knife assembly to close, improve on the one hand the efficiency of tearing up of material, stationary knife group is expected clearly movable cutter set by clear material cutter on the other hand, movable cutter set is also by completing synchronous clear material from bite to determining cutting portion, realize in tearing up material, complete material clearly, avoided the generation of putty phenomenon, ensured the continuity of equipment availability.Because adopted hook-type cutter structure and cut mode are different from prior art, not only making to tear up efficiency significantly improves, the replacement frequency of cutter is minimized (every 3 months tool changing tools once), the corresponding decline of use cost, also realize the tearing up in material (as: plastic sheeting) by whole motive use, overcome prior art because the gap between moving knife and stationary knife is extended, or cutting angle wearing and tearing cause to realize material are cut entirely, and consequent many deficiencies, as: power consumption is large, cutter changing is frequent, many deficiencies such as putty fault rate height and use cost height.

Due to the shredder that the utility model provides, only adopt simple driving mechanism, as: directly by belt pulley, drive motors is connected and can be realized with turning cylinder, significantly reduced the energy impairment of intermediate link, energy consumption also further reduces.With 1 ton of Material calculation of processing per hour, only need the power that is equipped with 5kw left and right to realize.

Accompanying drawing explanation

Fig. 1 is the structural representation of cutter for same in existing all kinds of broken disintegrating apparatus;

Fig. 2 is the structural representation of another angle of Fig. 1;

Fig. 3 is the structural representation of cutter shown in Fig. 1 after using;

Fig. 4 is the structural representation of the utility model shredder one embodiment;

Fig. 5 is the structure for amplifying schematic diagram of the place of shredder B-B shown in Fig. 4 section;

Fig. 6 is the expansion enlarged diagram of the turning cylinder of the place of shredder B-B shown in Fig. 4 section;

Fig. 7 is the expansion enlarged diagram of the housing of the place of shredder B-B shown in Fig. 4 section;

Fig. 8 is the structural representation of the utility model hook-type cutter one embodiment;

Fig. 9 is that the utility model movable cutter set cutter and stationary knife group cutter are sheared the view coordinating;

Figure 10 is that the utility model movable cutter set cutter and stationary knife group cutter are sheared another working state schematic representation coordinating;

Figure 11 is that the utility model movable cutter set cutter and stationary knife group cutter are sheared another working state schematic representation coordinating.

The specific embodiment

Describe the technical solution of the utility model in detail below in conjunction with accompanying drawing.The utility model embodiment is only unrestricted in order to the technical solution of the utility model to be described, although the utility model is had been described in detail with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, can modify or be equal to replacement the technical scheme of utility model, and not departing from the spirit and scope of technical solutions of the utility model, it all should be encompassed in claim scope of the present utility model.

Fig. 4 is the structural representation of the utility model shredder one embodiment.As shown in Figure 4, shredder 300 comprises the housing 310 with accommodation space 311, and turning cylinder 320 is located in accommodation space 311, comprises body 321 and conveying blade 322.Conveying blade 322 is set around body 321 with helical form, forms delivery chute 323 thus between conveying blade 322 each pitch.Driving mechanism 400 adopts skin wheel to be connected with turning cylinder 320, concrete be located at drive motors 430, the first skins wheels 410 as: the second skin wheel 420 and be located at turning cylinder 320, the second skins wheels 420 and drive the first skin to take turns 410 via belt 440.

Movable cutter set 100 is located at turning cylinder 320, comprises some main cutting cuttves 110 and some from bite 120, and each main cutting cutter 110 is along the radially setting (referring to Fig. 4 and Fig. 5) of helical axis.Between each adjacent main cutting cutter 110, be provided with the first interval 140, above or below each the first interval 140,1 of relative set is from bite 120.Meanwhile, along body 321 axially, each is provided with the second interval 150(referring to Fig. 6 between its corresponding the first interval 140 of bite 120).Make operator seat and body axial become an angle 160 that is less than 90 °, as: but be not limited only to 80 ° ± 5 °, make the present embodiment shredder tear up material simultaneously, the transfer efficiency of raising material.

Stationary knife group 200 is located at the inwall of accommodation space 311, comprises that some cutting stationary knifes 210 and some clear material cutter 220(are referring to Fig. 4 and Fig. 7).Fig. 7 is the expansion enlarged diagram of the housing of the place of shredder B-B shown in Fig. 4 section, as shown in Figure 7, at 1 clear material cutter 220 of top relative set of every odd number part (count to the right in the left side by Fig. 7) or even number part (count to the left on the right side by Fig. 7) cutting stationary knife 210, between each clear material cutter and its corresponding each cutting stationary knife 210, be provided with the 3rd interval 230.

Fig. 8 is the structural representation of the utility model hook-type cutter one embodiment, and it comprises cutter hub 610, tool rest 620 and cutting portion 630, and tool rest 620 is located at delivery chute 323, and cutting portion 630 comprises the rake face 631 that diameter (φ) is 90 ± 10mm.In the present embodiment, cutting portion 630 also comprises that diameter is the rear knife face 632 of 230 ± 30mm, to improve cutting ability.This hook-type cutter 600 is all applicable to main cutting cutter 110 and cutting stationary knife 210.In the present embodiment, each main cutting cutter is all identical with each cutting stationary knife structure.

In the time of cutting, each main cutting cutter 110 can pass through in 230 places, the 3rd interval, and each cutting stationary knife 210 can pass through in 150 places, the second interval (referring to Fig. 4 and Fig. 7).Adopt the edge of main cutting cutter 110 and the cutting stationary knife 210 of hook-type cutter 600 of hook-type cutter 600 and/or expect that clearly cutter 220 keeps 0.2～0.4mm cutting gap 700(referring to Fig. 9-Figure 11).

In the time running into precipitate bulk materials; the present embodiment shredder also coordinates employing vibratory conveyer and will use larger-diameter the second belt pulley; to improve the performance of shredder antagonism material peak flow (precipitate material increase), avoid causing shredder to stop up and the situation of shutdown.Because adopted hook-type cutter structure and cut mode are different from prior art, not only make to tear up efficiency and significantly improve, the replacement frequency of cutter is minimized (every 3 months tool changing tools are once), the corresponding decline of use cost.

The shredder that this enforcement provides is the most energy-conservation equipment.If except motor, according to (making by oneself) standard type of 3t/h, its manufacturing price is lower than 100,000 yuan.If will adopt screen mesh type housing, be horizontal (tilting a little) by complete machine, may produce (housing) duroplasts completely, cost will further reduce.

Claims (9)

1. there is a shredder for hook-type cutter, it is characterized in that comprising

Housing, comprises accommodation space;

Turning cylinder, comprises body and conveying blade, and described conveying blade is set around described body with helical form, and forms delivery chute;

Movable cutter set, comprise some main cutting cuttves and some from bite, each described main cutting cutter, along the radially setting of described body, is provided with the first interval between each adjacent described main cutting cutter, described in each the first interval above or below described in 1 of relative set from bite; Along described body axially, described in each, between its corresponding described the first interval of bite, be provided with the second interval;

Stationary knife group, comprise some cutting stationary knifes and some clear material cuttves, each described cutting stationary knife is located at the inwall of described accommodation space, described in every odd number part or even number part, cut stationary knife above 1 described clear material cutter of relative set, between each described clear material cutter and its corresponding each described cutting stationary knife, be provided with the 3rd interval;

Each described main cutting cutter can pass through in described the 3rd interval, and each described cutting stationary knife can pass through in described the second interval.

2. the shredder with hook-type cutter according to claim 1, it is characterized in that described main cutting cutter comprises operator body, operator seat and main cutting portion, described operator seat is located at described delivery chute, and described main cutting portion comprises that diameter is the moving rake face of 90 ± 10mm.

3. the shredder with hook-type cutter according to claim 2, is characterized in that described main cutting portion also comprises that diameter is knife face after 230 ± 30mm moving.

4. the shredder with hook-type cutter according to claim 2, it is characterized in that described operator seat with the axial angle of described body for being less than 90 °.

5. the shredder with hook-type cutter according to claim 2, is characterized in that described operator seat is 80 ° ± 5 ° with the axial angle of described body.

6. the shredder with hook-type cutter according to claim 1, it is characterized in that described cutting stationary knife comprises stationary knife body, stationary knife seat and determines cutting portion, described stationary knife seat is located at described delivery chute, describedly determines cutting portion and comprises that diameter is the rake face of determining of 90 ± 10mm.

7. the shredder with hook-type cutter according to claim 6, is characterized in that describedly determining cutting portion and also comprising that diameter is knife face after 230 ± 30mm fixed.

8. the shredder with hook-type cutter according to claim 1, is characterized in that the pitch of described conveying blade and the ratio of diameter are less than 1.

9. the shredder with hook-type cutter according to claim 1, characterized by further comprising driving mechanism, is connected with rotating shaft one end.

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