CN204673830U - A kind of comminutor - Google Patents
A kind of comminutor Download PDFInfo
- Publication number
- CN204673830U CN204673830U CN201520309427.XU CN201520309427U CN204673830U CN 204673830 U CN204673830 U CN 204673830U CN 201520309427 U CN201520309427 U CN 201520309427U CN 204673830 U CN204673830 U CN 204673830U
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- CN
- China
- Prior art keywords
- screw sleeve
- screw rod
- separation bin
- net
- comminutor
- 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
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- Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
Abstract
The utility model provides a kind of comminutor, comprises the first screw rod, material separation bin, is separated net and head; Described separation net is fixedly mounted in the through hole of described material separation bin; Described first screw rod inserts in the through hole of described material separation bin; Described separate mesh puts has mesh; Described material separation bin and described separate mesh inner room have groove; Described groove is communicated with the material outlet on described head; Also comprise screw sleeve, drive part and be arranged on the second screw rod inside described screw sleeve; Described screw sleeve has through hole and connects with the described discharging opening being separated net; Described second screw rod is connected with described drive part.Be connected with separation net by arranging screw sleeve, the impurity be separated in net enters screw sleeve inside through the through hole of screw sleeve, and gets rid of under the impetus of the second screw rod.Relative to existing comminutor without the need to arranging screen pack, also would not occur that screen pack blocks and needs the problem of stop cleaning.
Description
Technical field
The utility model relates to plastic product processing technique field, particularly a kind of comminutor.
Background technology
Comminutor a kind ofly crushing material can be reprocessed and form the processing and forming machinery of granular product, and its pressure adopting screw rod to rotate to produce and shearing force realize plasticizing and the fully mixing of fused materials, and are realized the reshaping of material by the mould on head.At present, comminutor has been widely used in the industry manufacture particulate starting material such as plastic product manufacture.In order to realize the recycling of waste or used plastics, comminutor in plastic industry, is adopted to carry out after high-temperature fusion molding, granulating again to waste plastic.But because the quality of waste or used plastics is uneven, the plastics that some fusing points set higher than comminutor temperature in fusion processes and other materials can not be become impurity by melting.Block the relief hole of mould to prevent impurity to be pushed to mould by screw rod, existing comminutor is provided with filter screen filtration impurity between material separation bin and head.But such structure brings a new problem, along with the accumulation of impurity, blocked, impurity are piled up by screen pack in the space of screw rod, affect the rotation of screw rod and comminutor cannot normally be worked.For this reason, need screen pack disassembly, cleaning and clear up screw rod near head place.Find in practical application, as adopted the higher waste or used plastics of impurity content to produce regenerated plastics as raw material, comminutor often works 5-30 minute will stop cleaning screen pack, cleaning screw rod, has had a strong impact on production efficiency like this.
Utility model content
Arrange filter screen filtration impurity need frequent stop cleaning and the problem affecting production efficiency for solving existing comminutor, the utility model provides a kind of new comminutor.
The utility model provides a kind of comminutor, comprises the first screw rod, material separation bin, is separated net and head; Described separation net is fixedly mounted in the through hole of described material separation bin; Described first screw rod inserts in the through hole of described material separation bin; Described separate mesh puts has mesh; Described material separation bin and described separate mesh inner room have groove; Described groove is communicated with the material outlet on described head; Also comprise screw sleeve, drive part and be arranged on the second screw rod inside described screw sleeve; Described screw sleeve has through hole and connects with the described discharging opening being separated net; Described second screw rod is connected with described drive part.
Be connected with separation net by arranging screw sleeve, the impurity be separated in net enters screw sleeve inside through the through hole of screw sleeve, and gets rid of under the impetus of the second screw rod.Relative to existing comminutor without the need to arranging screen pack, also would not occur that screen pack blocks and needs the problem of stop cleaning.
Preferably, control assembly and the pressure sensor being arranged on described screw sleeve sidewall is also comprised; Described pressure sensor is connected with described control assembly; Pressure signal in the described screw sleeve that described control assembly detects according to described pressure sensor controls the duty of described drive part.
Pressure sensor is set, utilizes the pressure signal in pressure sensor senses screw sleeve to control drive part and whether work, adapt to various working condition
Preferably, described screw sleeve is fixedly mounted in the through hole of described head.
Preferably, the heater block for heating described screw sleeve is also comprised.
Heater block heating spiral rod cover is set, the post bake melting of impurity in screw sleeve can be realized, reduce impurity to the drag effect of the second screw rod, facilitate the discharge of impurity.
Preferably, the degree of depth of described groove is increased to discharging opening direction by the charging aperture of described material separation bin.
Preferably, described mesh is the mesh being obliquely installed, pointing to the discharging opening of described material separation bin.
Change and being obliquely installed of mesh of depth of groove are conducive to just expecting to be guided to head section, reduce the probability of just expecting to flow out from material separation bin charging aperture.
Preferably, described material separation bin sidewall also has the cool cycles water channel for cooling.
Material separation bin sidewall arranges cool cycles water channel, when material separation bin temperature is too high, cool cycles water channel recirculated cooling water reduces temperature, prevented the carbonization in separation net and the first screw rod of the plastics of low melting point burned, and prevented mechanical disorder and reduce product quality.
Preferably, described head also have spliced eye and the mould offering described material outlet; Described mould is arranged in described spliced eye.
Preferably, have be arranged in parallel, two described first screw rods of collaborative work.
Preferably, waste material bucket is also comprised; Described waste material bucket is installed on the discharge port end of described screw sleeve.
Accompanying drawing explanation
Fig. 1 is the explosive view of the utility model embodiment comminutor;
Fig. 2 is the axonometric drawing of material separation bin in the utility model embodiment comminutor;
Fig. 3 is the shaft side figure of head in the utility model embodiment comminutor.
Detailed description of the invention
For making those skilled in the art better understand the technical solution of the utility model, below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
Fig. 1 is the explosive view of comminutor in the utility model embodiment, can be found out the composition structure of the comminutor part core work parts in the present embodiment by view.As Fig. 1, the comminutor in the present embodiment comprises material separation bin 2, is separated net 3, first screw rod 1 and head 4.Wherein being separated net 3 is arranged in the through hole of material separation bin 2, and the first screw rod 1 to insert in the through hole being separated net 3 and rotates under the dragging of power part, and the rotation of the first screw rod 1 can realize plasticizing again and the fully mixing of molten plastic.On the downside of material separation bin 2, also have groove 21, when separation net 3 is arranged in material separation bin 2, groove 21 not separated net 3 occupies.Also there is mesh in the downside being separated net 3 near the surface of groove 21, first screw rod 1 rotates the extruding force produced and makes the just material in waste or used plastics enter in groove 21 through mesh, and the impurity in waste or used plastics moves to close head 4 direction under the promotion of the first screw rod 1, the discharging opening direction namely to material separation bin 2 is moved.Head 4 is fixedly connected with material separation bin 2, Fig. 2 and Fig. 3 is respectively material separation bin 2 and head 4 schematic diagram.As Fig. 2 and Fig. 3 can find out, head 4 and material separation bin 2 side are ring flange, being fixedly connected with both being realized by the bolt hole on ring flange.Head 4 inside has the passage that melting is just being expected, arrive mould 5 part head 4 through split tunnel from just expecting of flowing out of material separation bin 2 groove 21 and flowed out by the material outlet on mould 5, material outlet will just expect to extrude the stripe shape becoming particular cross section size and enter cooling device.
Also there is screw sleeve 7, second screw rod 6 and drive part 9 in the present embodiment, head 4 is provided with the through hole vertical with the first screw rod 1 bearing of trend, screw sleeve 7 is arranged in the through hole of head 4, and the second screw rod 6 is arranged in screw sleeve 7, and screw sleeve 7 side also has through hole.After head 4 is fixedly connected with material separation bin 2, through hole on screw sleeve 7 is tightly connected with the discharging opening being separated net 3, under the impetus of the first screw rod 1, be positioned at separation net 3 and do not enter screw sleeve 7 inner space by the impurity of mesh by the through hole on screw sleeve 7.Drive part 9 drags the second screw rod 6 and rotates, and is discharged by the end through hole of impurity from screw sleeve 7.Can expect; the filter screen structure of existing comminutor is instead of owing to being provided with screw sleeve 7 and the second screw rod 6; impurity being separated the accumulation of net 3 end is got rid of by the rotational conveyance effect of the second screw rod 6; changing screen pack without the need to shutting down in production process, improve the continuity of production and the service efficiency of equipment.Certainly, to should be mentioned that between the positive stream circulation passage in screw sleeve 7 and head 4 passage be directly communicated with, ensure just to expect and being separated of impurity.In addition, in the present embodiment, in order to better fixedly separated net 3, also have can be separated the part of net 3 by holding portion in head 4 part.
It should be noted that in fact the effect of screw sleeve 7 and the second screw rod 6 is for clearing up impurity, and these parts can be arranged independent of head 4 completely in other embodiments by analyzing above and can drawing.
In actual production, due to the difference of impurity content in waste or used plastics, actual second screw rod 6 is without the need to continuous firing.On the sidewall of screw sleeve 7, installed pressure sensor 8 in the present embodiment, pressure sensor 8 is connected with control assembly (actual in the present embodiment is PLC) for this reason.Pressure sensor 8 can in perception screw sleeve 7 pressure size and pressure signal is sent to control assembly, whether size, the control drive part 9 of control assembly comparative pressure signal and setting threshold value work: when pressure signal is greater than setting threshold signal, control assembly controls drive part 9 and works; When pressure signal is less than the pre-supported signal of setting, drive part 9 is in holding state.Certainly, in other embodiments also pressure sensor 8 can not be set, and make drive part 9 always in running order; Can expect, pressure sensor 8 is not set and can adapt to the situation that in waste or used plastics, impurity content is higher or the situation that the first screw rod 1 diameter is comparatively large, power is larger.
Because the accumulation of impurity in screw sleeve 7 may make the second screw rod 6 have very large load, transship as drive part 9 may be caused when impurity is seriously piled up.For this reason, also be provided with the heater block 41 of heating spiral rod cover 7 in the present embodiment, heater block 41 is positioned at around the through hole of installation screw sleeve 7, and heater block 41 can set heating-up temperature by the drag effect of impurity heating minimizing to the second screw rod 6 according to doping property.Certainly, in other embodiments also heater block 41 can not be set.
In the present embodiment, groove 21 in material separation bin 2 is obliquely installed (angle of inclination is 45 °), the degree of depth is progressively increased to discharging opening direction by the charging aperture of material separation bin 2, being conducive to like this being guided to head 4 by just expecting, reducing the probability of just expecting to flow out from material separation bin 2 charging aperture.In addition, the mesh in separation net 3, also for being obliquely installed, points to the discharging opening of material separation bin 2, can coordinate the direct of travel of the rotation of the first screw rod 1 and molten plastic like this, conveniently just expect to extrude.Certainly, in other embodiments of the present utility model, also groove 21 can be arranged to other structures, aperture openings direction do not affect the utility model Core Feature realization perpendicular to the bearing of trend of the first screw rod 1.
Due in waste or used plastics containing the glue part of low melting point, material separation bin 2 temperature is too high to be made the part carbonization of low melting point glue and is bonded in and is separated on net 3 and the first screw rod 1, causes mechanical disorder and damage and affects product quality.For this reason on material separation bin 2 sidewall of the present embodiment and the axial portions of the first screw rod 1 be also provided with cool cycles water channel 22 for cooling, according to the temperature conditions of temperature sensor detection, whether recirculated cooling water in control assembly controlled cooling model cyclic water channel 22.
The difference of and plastics postprocessing working procedures different according to material behavior, the plastic grain that variable grain degree size is set may be needed, cut except size except being divided by the later stage in cutting process to regulate, size and cross sectional shape change plastic grain size also by feed change outlet in the present embodiment.For this reason, be provided with the mould 5 of the material outlet with different chi village and cross sectional shape, head 4 is provided with spliced eye 42 in the present embodiment, mould 5 is dismountable to be arranged in spliced eye 42.The production that mould 5 adapts to different product can be changed according to technological requirement.
In addition, be also provided with waste material bucket 10 in the present embodiment, waste material bucket 10 is arranged on the discharge port end of screw sleeve 7 and is fixed on the installing hole 43 of head 4, and the impurity got rid of from screw sleeve 7 can be collected by waste material bucket 10 access.
It should be noted that in the present embodiment and have employed two the first screw rod 1 collaborative works, the dual-screw pelletizer be namely commonly called as.Can very simply expect, above each parts also can be arranged in singe screw comminutor or multiscrew comminutor and use.
Comminutor in above the utility model embodiment is described in detail.Apply specific case herein to set forth principle of the present utility model and embodiment; the explanation of above embodiment just understands core concept of the present utility model for helping; when not departing from the utility model principle; also can carry out some improvement and modification to the utility model, these improve and modify and also fall in protection domain of the present utility model.
Claims (10)
1. a comminutor, comprises the first screw rod (1), material separation bin (2), is separated net (3) and head (4); Described separation net (3) is fixedly mounted in the through hole of described material separation bin (2); Described first screw rod (1) is inserted in the through hole of described material separation bin (2); Described separation net (3) has mesh; Described material separation bin (2) has groove (21) with described separation between net (3); Described groove (21) is communicated with the material outlet on described head (4); It is characterized in that: also comprise screw sleeve (7), drive part (9) and be arranged on the second screw rod (6) inside described screw sleeve (7); Described screw sleeve (7) has through hole and connects with the described discharging opening being separated net (3); Described second screw rod (6) is connected with described drive part (9).
2. comminutor according to claim 1, is characterized in that: also comprise control assembly and the pressure sensor (8) being arranged on described screw sleeve (7) sidewall; Described pressure sensor (8) is connected with described control assembly; Pressure signal in the described screw sleeve (7) that described control assembly detects according to described pressure sensor (8) controls the duty of described drive part (9).
3. comminutor according to claim 1, is characterized in that: described screw sleeve (7) is fixedly mounted in the through hole of described head (4).
4. the comminutor according to any one of claim 1-3, is characterized in that: also comprise the heater block (41) for heating described screw sleeve (7).
5. the comminutor according to any one of claim 1-3, is characterized in that: the degree of depth of described groove (21) is increased to discharging opening direction by the charging aperture of described material separation bin (2).
6. the comminutor according to any one of claim 1-3, is characterized in that: described mesh is for being obliquely installed, pointing to the mesh of the discharging opening of described material separation bin (2).
7. the comminutor according to any one of claim 1-3, is characterized in that: described material separation bin (2) sidewall also has the cool cycles water channel (22) for cooling.
8. the comminutor according to any one of claim 1-3, is characterized in that: described head (4) also has spliced eye (42) and offer the mould (5) of described material outlet; Described mould (5) is arranged in described spliced eye (42).
9. the comminutor according to any one of claim 1-3, is characterized in that: have be arranged in parallel, two described first screw rods (1) of collaborative work.
10. the comminutor according to any one of claim 1-3, is characterized in that: also comprise waste material bucket (10); Described waste material bucket (10) is installed on the discharge port end of described screw sleeve (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520309427.XU CN204673830U (en) | 2015-05-13 | 2015-05-13 | A kind of comminutor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520309427.XU CN204673830U (en) | 2015-05-13 | 2015-05-13 | A kind of comminutor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204673830U true CN204673830U (en) | 2015-09-30 |
Family
ID=54173550
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520309427.XU Expired - Fee Related CN204673830U (en) | 2015-05-13 | 2015-05-13 | A kind of comminutor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204673830U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104802331A (en) * | 2015-05-13 | 2015-07-29 | 胡渊海 | Granulating machine |
-
2015
- 2015-05-13 CN CN201520309427.XU patent/CN204673830U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104802331A (en) * | 2015-05-13 | 2015-07-29 | 胡渊海 | Granulating machine |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150930 Termination date: 20190513 |