CN204503538U - A kind of terephthalate (PBT) engineering plastic halogen-free flameproof GF particle sizing device - Google Patents
A kind of terephthalate (PBT) engineering plastic halogen-free flameproof GF particle sizing device Download PDFInfo
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- CN204503538U CN204503538U CN201420836077.8U CN201420836077U CN204503538U CN 204503538 U CN204503538 U CN 204503538U CN 201420836077 U CN201420836077 U CN 201420836077U CN 204503538 U CN204503538 U CN 204503538U
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Abstract
The utility model discloses a kind of terephthalate (PBT) engineering plastic halogen-free flameproof GF particle sizing device, comprise frame, material particle dispersion mechanism, the screening member that can carry out category filter to material particle and the cooling device be positioned at above screening member, cooling device and screening member are all fixed in frame, screening member arranges vibrator, frame is provided with the levelling device for regulating frame levelness, material particle dispersion mechanism is positioned at frame one end near plastic grain cutting machine, material particle dispersion mechanism comprises cylinder and cylinder is fixed on ground fixed mount, being provided with in cylinder can by the umbrella shape disperser of material particle dispersion agglomerating for bonding and connecting axle, the top of cylinder arranges motor, one end of connecting axle is connected with the small end of umbrella shape disperser, the other end of connecting axle is connected with motor through cylinder, the top of cylinder arranges the cylinder charging aperture be communicated with the discharging opening of plastic grain cutting machine near umbrella shape disperser, to enter in cylinder to make material and fall within umbrella shape disperser.
Description
Technical field
The utility model relates to composite processing field, particularly relates to a kind of terephthalate (PBT) engineering plastic halogen-free flameproof GF particle sizing device.
Background technology
As is known in the industry, terephthalate (PBT) engineering plastic (polybutylene terephthalate, polybutylene terephthalate (PBT)) halogen-free flameproof GF (glass fibre, glass fibre) particle is cut into granular through high-speed rotary grain-cutter after being extruded by screw extruder and obtains.If the terephthalate (PBT) engineering plastic halogen-free flameproof GF particle cut into by high speed grain-cutter makes other products, so certainly there will be quality problems, because be not only mingled with foreign matter in terephthalate (PBT) engineering plastic halogen-free flameproof GF particle, but also mix the material (industry is called grain end) having pellet in small, broken bits as dust-like, especially be also mingled with and be bonded to one another by numerous particle the agglomerate material be bonded together, if these are not conformed to investigate things to reject, and with qualified terephthalate (PBT) engineering plastic halogen-free flameproof GF particle packaging mixed in together, then terephthalate (PBT) engineering plastic halogen-free flameproof GF particle is made in the process of other products be easy to occur disconnect, the problem that variable thickness causes or the uniformity is inconsistent and so on, and then affect the quality of other products made by terephthalate (PBT) engineering plastic halogen-free flameproof GF particle.Therefore, usually between comminutor and packing machine, sorting mechanism is configured.
Chinese patent CN 201566066U recommends a kind of vibration screening mechanism of Granulation Equipments, and this patent formula can not only make pellet upwards throw, and makes pellet play disperse (avoiding pellet to concentrate in together) by the reciprocally swinging device set up.
But above-mentioned patent formula still existing defects, concrete manifestation in the following areas:
1, come from the terephthalate (PBT) engineering plastic halogen-free flameproof GF particle of comminutor when introducing aforesaid vibration screening mechanism, temperature is still higher, and the adhesion degree between the height of temperature to terephthalate (PBT) engineering plastic halogen-free flameproof GF particle is directly proportional, that is, when being fed to the screen cloth of vibration screening mechanism by feeding hopper, the clustering phenomena of plastic pellet is very serious, and be only not enough to group to loosen with the reciprocally swinging device set up, only play and the plastic pellet of non-phase adhesion is disperseed, therefore, the agglomerate material bonded together screened out by vibration screening mechanism is more, these agglomerate material can only return comminutor granulation again.So both affect granulation efficiency, waste energy again.
2, the defective scalping screen in terephthalate (PBT) engineering plastic halogen-free flameproof GF particle can only be elected by it; and the defective particulate in terephthalate (PBT) engineering plastic halogen-free flameproof GF particle can not be screened; when terephthalate (PBT) engineering plastic halogen-free flameproof GF particle is made other products; the defective particulate be present in terephthalate (PBT) engineering plastic halogen-free flameproof GF particle can cause the fracture of other products or the irregular phenomenon of material, thus affects the quality of other products made by terephthalate (PBT) engineering plastic halogen-free flameproof GF particle.
3, the storing frame of above-mentioned patent is put on ground by frame, but once ground out-of-flatness, storing frame inclining can be caused, the storing frame tilted can accelerate the speed of the material of movement under the effect of vibration, some material particles are made also to have little time screened, just move to discharging opening, this is unfavorable for the screening of material.
Utility model content
The purpose of this utility model is to provide a kind of terephthalate (PBT) engineering plastic halogen-free flameproof GF particle sizing device that can overcome the deficiencies in the prior art.
For reaching this object, the utility model by the following technical solutions:
A kind of terephthalate (PBT) engineering plastic halogen-free flameproof GF particle sizing device, comprise frame, material particle dispersion mechanism, the screening member that can carry out category filter to material particle and the cooling device be positioned at above described screening member, described cooling device and described screening member are all fixed in described frame, described screening member arranges vibrator, described frame is provided with the levelling device for regulating described rack level degree, described material particle dispersion mechanism is positioned at described frame one end near plastic grain cutting machine;
Described material particle dispersion mechanism comprises cylinder and described cylinder is fixed on ground fixed mount, the umbrella shape disperser and connecting axle that the agglomerating material particle of bonding can be broken up is provided with in described cylinder, the top of described cylinder arranges motor, one end of described connecting axle is connected with the small end of described umbrella shape disperser, the other end of described connecting axle is connected with described motor through described cylinder, the top of described cylinder arranges the cylinder charging aperture be communicated with the discharging opening of plastic grain cutting machine near described umbrella shape disperser, to enter in described cylinder to make material and fall within described umbrella shape disperser.
As the preferred technical scheme of one, described screening member comprises the first chute feeder of being communicated with the discharging opening of described cylinder and is positioned at the second chute feeder that is below described first chute feeder and that be connected with described first chute feeder, between described first chute feeder and described second chute feeder, there is gap, the base plate of described first chute feeder sets gradually the first hole group towards the direction away from plastic grain cutting machine, second hole group and coarse grain outlet, described first hole group comprises the first hole that several apertures are less than the size of qualified material particle, described second hole group comprises the second hole that several apertures equal the size of qualified material particle, between the base plate of described first chute feeder and the base plate of described second chute feeder, dividing plate is set, and described dividing plate is between described first hole group and described second hole group, described gap is divided into first gap corresponding with described first hole group and second gap corresponding with described second hole group by described dividing plate, fall within respectively in described first gap and in described second gap to make the defective particulate through described first hole group and the qualified material particle through described second hole group, on the base plate of described first chute feeder, corresponding described first gap arranges the particulate communicated with described first gap and exports, described second chute feeder arranges away from one end of plastic grain cutting machine the qualified material particle outlet be communicated with described second gap, described coarse grain outlet and described qualified material particle outlet lay respectively at the outside of described second chute feeder and described first chute feeder.
By arranging the first hole group in the first chute feeder, and the first hole group comprises the first hole that several apertures are less than qualified material particle size, the defective particulate be entrained in qualified material particle can be sieved by the first hole group of the first chute feeder to be picked in the first gap of the second chute feeder, to guarantee the quality of the material particle come from the second gap.
As the preferred technical scheme of one, the length of described particulate outlet equals the width of described first chute feeder.
As the preferred technical scheme of one, the inclined downward of described second chute feeder arranges the particulate blow tank with described particulate outlet, the height of one end that the height of one end of described particulate blow tank and described particulate outlet exports away from described particulate higher than described particulate blow tank.
As the preferred technical scheme of one, described frame comprises the square frame being positioned at its bottom, described square frame comprises two the first poles and two laying respectively at the length direction two ends of described square frame for connecting the second pole of two described first poles, and the two ends of the length direction of each described second pole all arrange a described levelling device.
As the preferred technical scheme of one, described levelling device comprises to be put in ground placing part by described frame, described placing part comprises connecting rod and the board for putting with earth surface, one end of described connecting rod is connected with described board for putting, the other end of described connecting rod is through described second pole, described second pole is upper arranges the through hole corresponding with described connecting rod, described connecting rod is arranged two adjusting nuts, two described adjusting nuts lay respectively at the both sides of the thickness direction of described second pole, in order to regulate the levelness of described frame.
As the preferred technical scheme of one, the two ends of described frame are respectively arranged with and described screening member can be made for a pair to be installed on the elastic device in described frame with quick condition, and on described screening member, corresponding described elastic device arranges the fixed head be connected with described elastic device.
By arranging elastic device, available buffer vibrator, to the vibration force of screening member, makes screening member not easily because vibration damages.
As the preferred technical scheme of one, described elastic device comprises the first holder, the second holder and spring, described first holder is fixed in described frame, described second holder is fixed on described fixed head, one end of described spring is connected with described first holder, and the other end of described spring is connected with described second holder.
As the preferred technical scheme of one, described first holder is dismountable to be fixed in described frame; And/or described second holder is removably fixed on described fixed head.
As the preferred technical scheme of one, described cooling device comprises several and is positioned at fan above described screening member, and fan described in several is fixed in described frame along the length direction interval of described frame.
Contrast prior art, the beneficial effects of the utility model are: the utility model is by arranging material particle dispersion mechanism, material particle can be got rid of on the inwall of cylinder under the centrifugal action of umbrella shape disperser, and collide with the inwall of cylinder, thus the agglomerate material in material particle can be made again to be hit fall apart into particle, be conducive to screening member and filter out more qualified material particle; By arranging levelling device, screening member can be made to tilt, and then the time of material particle movement on screening member can be lengthened, be conducive to screening member and material particle is screened fully; By arranging cooling device, by cooling device, the first chute feeder and the second chute feeder being cooled, material particle can be avoided to bond, to reduce the quantity of the formation of agglomerate material on screening member.
Accompanying drawing explanation
Fig. 1 is the perspective view of a kind of terephthalate (PBT) engineering plastic halogen-free flameproof GF particle sizing device described in the utility model embodiment.
Fig. 2 is the top view of a kind of terephthalate (PBT) engineering plastic halogen-free flameproof GF particle sizing device described in the utility model embodiment.
Fig. 3 is that the A-A of Fig. 2 is to sectional view.
In figure:
1, frame; 11, square frame; 111, the first pole; 112, the second pole;
2, material particle dispersion mechanism; 21, fixed mount; 22, cylinder; 221, cylinder charging aperture; 23, motor; 24, umbrella shape disperser; 25, connecting axle;
3, screening member; 31, the first chute feeder; 311, the first hole group; 312, the second hole group; 313, coarse grain outlet; 32, the second chute feeder; 321, qualified material particle outlet; 322, particulate outlet; 323, particulate blow tank; 324, fixed head; 33, the first gap; 34, the second gap; 35, dividing plate;
4, elastic device; 41, the first holder; 42, the second holder; 43, spring;
5, levelling device; 51, placing part; 511, board for putting; 512, connecting rod; 52, adjusting nut; 6, fan.
Detailed description of the invention
The technical solution of the utility model is further illustrated by detailed description of the invention below in conjunction with accompanying drawing.
As shown in Figure 1 to Figure 3, the utility model discloses a kind of terephthalate (PBT) engineering plastic halogen-free flameproof GF particle sizing device, comprise frame 1, material particle dispersion mechanism 2, the screening member 3 that can carry out category filter to material particle and the cooling device be positioned at above screening member 3, cooling device and screening member 3 are all fixed in frame 1, screening member 3 arranges vibrator, frame 1 is provided with the levelling device 5 for regulating frame 1 levelness, material particle dispersion mechanism 2 is positioned at frame 1 one end near plastic grain cutting machine;
Material particle dispersion mechanism 2 comprises cylinder 22 and cylinder 22 is fixed on ground fixed mount 21; the umbrella shape disperser 24 and connecting axle 25 that agglomerating material particle can be broken up is provided with in cylinder 22; the top of cylinder 22 arranges motor 23; one end of connecting axle 25 is connected with the small end of umbrella shape disperser 24; the other end of connecting axle 25 is connected with motor 23 through cylinder 22; the top of cylinder 22 arranges the cylinder charging aperture 221 be communicated with the discharging opening of plastic grain cutting machine near umbrella shape disperser 24, to enter in cylinder 22 and fall within umbrella shape disperser 24 to make material.
By arranging material particle dispersion mechanism 2, material particle can be got rid of on the inwall of cylinder 22 under the centrifugal action of umbrella shape disperser 24, and collide with the inwall of cylinder 22, thus the agglomerate material in material particle can be made again to be hit fall apart into particle, be conducive to screening member 3 and filter out more qualified material particle; By arranging levelling device 5, screening member 3 can not be tilted, and then increase the time of material particle movement on screening member 3, be conducive to screening member 3 pairs of material particles and screen fully; By arranging cooling device, by cooling device, screening member being cooled, material particle can be avoided to bond, to reduce the quantity of the formation of agglomerate material on screening member 3.
Screening member 3 comprises the first chute feeder 31 of being communicated with the discharging opening of cylinder 22 and is positioned at the second chute feeder 32 that is below the first chute feeder 31 and that be connected with the first chute feeder 31, between first chute feeder 31 and the second chute feeder 32, there is gap, the base plate of the first chute feeder 31 sets gradually the first hole group 311 towards the direction away from plastic grain cutting machine, second hole group 312 and coarse grain outlet 313, first hole group 311 comprises the first hole that several apertures are less than the size of qualified material particle, second hole group 312 comprises the second hole that several apertures equal the size of qualified material particle, between the base plate of the first chute feeder 31 and the base plate of the second chute feeder 32, dividing plate 35 is set, dividing plate 35 is between the first hole group 311 and the second hole group 312, gap is divided into first gap 33 corresponding with the first hole group 311 and second gap 34 corresponding with the second hole group 312 by dividing plate 35, fall within the first gap 33 and in the second gap 34 respectively to make the defective particulate through the first hole group 311 and the qualified material particle through the second hole group 312, on the base plate of the first chute feeder 31, corresponding first gap 33 arranges the particulate communicated with the first gap 33 and exports 322, second chute feeder 32 arranges away from one end of plastic grain cutting machine the qualified material particle outlet 321 be communicated with the second gap 34, coarse grain outlet 313 and qualified material particle outlet 321 lay respectively at the outside of the second chute feeder 32 and the first chute feeder 31.
By arranging the first hole group 311 in the first chute feeder 31, and the first hole group 311 comprises the first hole that several apertures are less than qualified material particle size, the defective particulate be entrained in qualified material particle can be sieved by the first hole group 311 of the first chute feeder 31 to be picked in the first gap 33 of the second chute feeder 32, to guarantee the quality of the material particle come from the second gap 34.By arranging cooling device, by cooling device, the first chute feeder 31 and the second chute feeder 32 being cooled, material particle can be avoided to bond, to reduce the quantity of the formation of agglomerate material on screening member 3.
The length of particulate outlet 322 equals the width of the second chute feeder 32.The inclined downward of the second chute feeder 32 arranges and exports the 322 particulate blow tanks 323 be communicated with particulate, and the height that particulate blow tank 323 and particulate export one end that 322 are communicated with exports the height of one end of 322 away from particulate higher than particulate blow tank 323.
Frame 1 comprises the square frame 11 being positioned at its bottom, square frame 11 comprises two the first poles 111 and two laying respectively at the length direction two ends of square frame 11 for connecting the second pole 112 of two the first poles 111, and the two ends of the length direction of each second pole 112 all arrange a levelling device 5.
Levelling device 5 comprises to be put in ground placing part 51 by frame 1, placing part 51 comprises connecting rod 512 and the board for putting 511 with earth surface, one end of connecting rod 512 is connected with board for putting 511, the other end of connecting rod 512 is through the second pole 112, second pole 112 arranges the through hole corresponding with connecting rod 512, connecting rod 512 is arranged the both sides that two adjusting nuts, 52, two adjusting nuts 52 lay respectively at the thickness direction of the second pole 112.In order to regulate the levelness of frame 1.
The two ends of frame 1 are respectively arranged with and screening member 3 can be made for a pair with quick condition to be installed on elastic device 4 in frame 1, and on screening member 3, corresponding elastic device 4 arranges the fixed head 324 be connected with elastic device 4.By arranging elastic device 4, available buffer vibrator, to the vibration force of screening member 3, makes screening member 3 not easily because vibration damages.
Elastic device 4 comprises the first holder 41, second holder 42 and spring 43, first holder 41 is fixed in frame 1, second holder 42 is fixed on fixed head 324, and one end of spring 43 is connected with the first holder 41, and the other end of spring 43 is connected with the second holder 42.
In the present embodiment, the first holder 41 and the second holder 42 are dismountable is respectively fixed in frame 1 with on fixed head 324.
Cooling device comprises several and is positioned at fan 6 above screening member 3, and several fans 6 are fixed in frame 1 along the length direction interval of frame 1.
Operation principle:
First, the material particle of the discharging opening of plastic grain cutting machine is sent in cylinder 22, material particle gets rid of on the inwall of cylinder 22 under the effect of umbrella shape disperser 24, and collide with the inwall of cylinder 22, agglomerate material in material particle is easily re-dispersed into material particle under the effect of the impact of the inwall of cylinder 22, subsequently, material particle enters in the first chute feeder 31 from the discharging opening of cylinder 22, vibrator and several fans 6 work simultaneously simultaneously, material particle is moved under the effect of vibration of vibrator, on screening member 3, underproof particulate in material particle enters in the first gap 33 by the first hole group 311, and export 322 conductances from particulate and go out, qualified material particle in material enters in the second gap 34 by the second hole group 312, and derived by qualified material particle outlet 321, the defective coarse grain finally stayed or agglomerate material are then derived by coarse grain outlet 313.
Below know-why of the present utility model is described in conjunction with specific embodiments.These describe just in order to explain principle of the present utility model, and can not be interpreted as the restriction to the utility model protection domain by any way.Based on explanation herein, those skilled in the art does not need to pay performing creative labour can associate other detailed description of the invention of the present utility model, and these modes all will fall within protection domain of the present utility model.
Claims (10)
1. a terephthalate (PBT) engineering plastic halogen-free flameproof GF particle sizing device, it is characterized in that, comprise frame, material particle dispersion mechanism, the screening member that can carry out category filter to material particle and the cooling device be positioned at above described screening member, described cooling device and described screening member are all fixed in described frame, described screening member arranges vibrator, described frame is provided with the levelling device for regulating described rack level degree, described material particle dispersion mechanism is positioned at described frame one end near plastic grain cutting machine;
Described material particle dispersion mechanism comprises cylinder and described cylinder is fixed on ground fixed mount, the umbrella shape disperser and connecting axle that the agglomerating material particle of bonding can be broken up is provided with in described cylinder, the top of described cylinder arranges motor, one end of described connecting axle is connected with the small end of described umbrella shape disperser, the other end of described connecting axle is connected with described motor through described cylinder, the top of described cylinder arranges the cylinder charging aperture be communicated with the discharging opening of plastic grain cutting machine near described umbrella shape disperser, to enter in described cylinder to make material and fall within described umbrella shape disperser.
2. a kind of terephthalate (PBT) engineering plastic halogen-free flameproof GF particle sizing device according to claim 1, it is characterized in that, described screening member comprises the first chute feeder of being communicated with the discharging opening of described cylinder and is positioned at the second chute feeder that is below described first chute feeder and that be connected with described first chute feeder, between described first chute feeder and described second chute feeder, there is gap, the base plate of described first chute feeder sets gradually the first hole group towards the direction away from plastic grain cutting machine, second hole group and coarse grain outlet, described first hole group comprises the first hole that several apertures are less than the size of qualified material particle, described second hole group comprises the second hole that several apertures equal the size of qualified material particle, between the base plate of described first chute feeder and the base plate of described second chute feeder, dividing plate is set, and described dividing plate is between described first hole group and described second hole group, described gap is divided into first gap corresponding with described first hole group and second gap corresponding with described second hole group by described dividing plate, fall within respectively in described first gap and in described second gap to make the defective particulate through described first hole group and the qualified material particle through described second hole group, on the base plate of described first chute feeder, corresponding described first gap arranges the particulate communicated with described first gap and exports, described second chute feeder arranges away from one end of plastic grain cutting machine the qualified material particle outlet be communicated with described second gap, described coarse grain outlet and described qualified material particle outlet lay respectively at the outside of described second chute feeder and described first chute feeder.
3. a kind of terephthalate (PBT) engineering plastic halogen-free flameproof GF particle sizing device according to claim 2, is characterized in that, the length of described particulate outlet equals the width of described first chute feeder.
4. a kind of terephthalate (PBT) engineering plastic halogen-free flameproof GF particle sizing device according to claim 3, it is characterized in that, the inclined downward of described second chute feeder arranges the particulate blow tank with described particulate outlet, the height of one end that the height of one end of described particulate blow tank and described particulate outlet exports away from described particulate higher than described particulate blow tank.
5. a kind of terephthalate (PBT) engineering plastic halogen-free flameproof GF particle sizing device according to claim 1, it is characterized in that, described frame comprises the square frame being positioned at its bottom, described square frame comprises two the first poles and two laying respectively at the length direction two ends of described square frame for connecting the second pole of two described first poles, and the two ends of the length direction of each described second pole all arrange a described levelling device.
6. a kind of terephthalate (PBT) engineering plastic halogen-free flameproof GF particle sizing device according to claim 5, it is characterized in that, described levelling device comprises to be put in ground placing part by described frame, described placing part comprises connecting rod and the board for putting with earth surface, one end of described connecting rod is connected with described board for putting, the other end of described connecting rod is through described second pole, described second pole is upper arranges the through hole corresponding with described connecting rod, described connecting rod is arranged two adjusting nuts, two described adjusting nuts lay respectively at the both sides of the thickness direction of described second pole.In order to regulate the levelness of described frame.
7. a kind of terephthalate (PBT) engineering plastic halogen-free flameproof GF particle sizing device according to claim 1, it is characterized in that, the two ends of described frame are respectively arranged with and described screening member can be made for a pair to be installed on the elastic device in described frame with quick condition, and on described screening member, corresponding described elastic device arranges the fixed head be connected with described elastic device.
8. a kind of terephthalate (PBT) engineering plastic halogen-free flameproof GF particle sizing device according to claim 7, it is characterized in that, described elastic device comprises the first holder, the second holder and spring, described first holder is fixed in described frame, described second holder is fixed on described fixed head, one end of described spring is connected with described first holder, and the other end of described spring is connected with described second holder.
9. a kind of terephthalate (PBT) engineering plastic halogen-free flameproof GF particle sizing device according to claim 8, it is characterized in that, described first holder is dismountable to be fixed in described frame; And/or described second holder is removably fixed on described fixed head.
10. a kind of terephthalate (PBT) engineering plastic halogen-free flameproof GF particle sizing device according to claim 1, it is characterized in that, described cooling device comprises several and is positioned at fan above described screening member, and fan described in several is fixed in described frame along the length direction interval of described frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420836077.8U CN204503538U (en) | 2014-12-23 | 2014-12-23 | A kind of terephthalate (PBT) engineering plastic halogen-free flameproof GF particle sizing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420836077.8U CN204503538U (en) | 2014-12-23 | 2014-12-23 | A kind of terephthalate (PBT) engineering plastic halogen-free flameproof GF particle sizing device |
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| Publication Number | Publication Date |
|---|---|
| CN204503538U true CN204503538U (en) | 2015-07-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420836077.8U Expired - Fee Related CN204503538U (en) | 2014-12-23 | 2014-12-23 | A kind of terephthalate (PBT) engineering plastic halogen-free flameproof GF particle sizing device |
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| CN (1) | CN204503538U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109203289A (en) * | 2017-07-07 | 2019-01-15 | 安正（天津）新材料股份有限公司 | A kind of fireproofing cable material without halide cooling vibrating screen |
| CN112025388A (en) * | 2020-08-20 | 2020-12-04 | 湖南省宝满科技开发有限公司 | A multistage high-efficient screening mechanism of part for machining |
-
2014
- 2014-12-23 CN CN201420836077.8U patent/CN204503538U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109203289A (en) * | 2017-07-07 | 2019-01-15 | 安正（天津）新材料股份有限公司 | A kind of fireproofing cable material without halide cooling vibrating screen |
| CN112025388A (en) * | 2020-08-20 | 2020-12-04 | 湖南省宝满科技开发有限公司 | A multistage high-efficient screening mechanism of part for machining |
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| Date | Code | Title | Description |
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| 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: 20150729 Termination date: 20171223 |