CN217725455U

CN217725455U - A stir tooth granulation equipment for carbon nanotube

Info

Publication number: CN217725455U
Application number: CN202221386429.5U
Authority: CN
Inventors: 吉祥; 张文勇; 彭勃; 张美杰; 郑涛
Original assignee: Jiangsu Cnano Technology Ltd
Current assignee: Jiangsu Cnano Technology Ltd
Priority date: 2022-06-02
Filing date: 2022-06-02
Publication date: 2022-11-04
Anticipated expiration: 2032-06-02

Abstract

The utility model relates to a stir tooth granulation equipment for carbon nanotube belongs to the field of granulation equipment, and it includes the feed cylinder and stirs the tooth axle, stir the tooth axle and coaxially rotate in the feed cylinder, stir the epaxial a plurality of ratchets that stir that are equipped with of tooth, charge door and discharge gate have been seted up on the feed cylinder, include stir the tooth axle and include that a plurality of sections stir the tooth, a plurality of the section is stirred the tooth and is arranged along the axial in proper order, adjacent two the section is stirred the tooth and can be dismantled the connection each other. This application is through will stirring the gear shaft and divide into the setting that a plurality of sections stirred the tooth along the axial, then the draw ratio that stirs the gear shaft in the single conveying cylinder can stir the quantity difference of tooth along with the section, the model is different and adjust, stir the tooth quantity on the tooth pole, the angle of arranging also can stir the model difference of tooth along with the section of dress and adjust, make limited equipment can satisfy the demand of the granulation production of multiple difference, the equipment cost who has practiced thrift in the production process occupies.

Description

Stirring tooth granulation equipment for carbon nano tube

Technical Field

The application relates to the field of granulation equipment, in particular to stirring tooth granulation equipment for carbon nanotubes.

Background

Carbon nanotubes have the advantages of excellent conductivity, small addition amount and the like, are widely applied to the fields of batteries, electronic packaging materials, chips, electromagnetic shielding materials, rubber tires and the like, and are difficult to apply due to the defects of easy agglomeration, difficult dispersion, small bulk density and the like. The carbon nano tube effectively improves the agglomeration phenomenon through a granulation process, and the stirring tooth granulator is wet granulation equipment.

The stirring tooth granulator comprises a conveying cylinder, a feed inlet and a discharge outlet are respectively formed in two ends of the conveying cylinder, a stirring tooth shaft is connected in the conveying cylinder in a coaxial rotating mode, a plurality of stirring tooth rods are fixedly connected to the stirring tooth shaft and are spirally arranged around the stirring tooth shaft, and in the rotating process of the stirring tooth shaft, the stirring tooth rods play roles in stirring granulation and conveying materials simultaneously.

In the granulation process, the length-diameter ratio of the stirring gear shaft and the arrangement angles of all the stirring gear rods have great influence on the granulation quality, and for carbon nanotube raw materials with different qualities and bulk densities, the length-diameter ratio of the stirring gear shaft and the arrangement angles of the stirring gear rods are different, if production efficiency or granulation product quality needs to be considered simultaneously, granulation equipment needs to be correspondingly arranged aiming at various raw materials, so that the production cost is increased in a multiplied way.

SUMMERY OF THE UTILITY MODEL

In order to improve the above problems, the present application provides a stirring teeth granulation apparatus for carbon nanotubes.

The application provides a stir tooth granulation equipment for carbon nanotube adopts following technical scheme:

the utility model provides a stir tooth granulation equipment for carbon nanotube, includes the conveying cylinder and stirs the rachis, stir the rachis coaxial rotation in the conveying cylinder, stir the epaxial a plurality of ratchets that stir that are equipped with of rachis, the last charge door and the discharge gate of having seted up of conveying cylinder, include stir the rachis and include that a plurality of sections stir the tooth, it is a plurality of the section is stirred the tooth and is arranged along the axial in proper order, adjacent two the section is stirred the tooth and can be dismantled the connection each other.

Through adopting above-mentioned technical scheme, the draw ratio that stirs the tooth axle in the single transport cylinder can stir the quantity difference of tooth, the model is different along with the segmentation and adjust, stirs tooth quantity on the tooth pole, the angle of arranging also can stir the model of tooth along with the dress segmentation and adjust for the demand of granulation production of multiple difference can be satisfied to limited equipment, has effectively reduced the equipment cost in the production process and has accounted for the ratio.

Preferably, the tooth stirring shaft comprises one or more forward spiral sections and one or more backward spiral sections, the spiral arrangement direction of the tooth stirring rods on the forward spiral sections is opposite to the spiral arrangement direction of the tooth stirring rods on the backward spiral sections, a single forward spiral section and/or a single backward spiral section corresponds to one segmented stirring tooth, and the forward spiral sections and the backward spiral sections are alternately arranged along the axial direction of the tooth stirring shaft.

Through adopting above-mentioned technical scheme, stir the tooth axle when rotating, the anti-spiral section stir the tooth and produce the effort to the opposite direction of advancing direction to the material in advancing for the resistance that the material received at the in-process of advancing, the delay time of extension material in the feed cylinder also improves and stirs the stirring effect of tooth pole to the material, improves the granulation effect.

Preferably, a spraying device is arranged on the conveying cylinder and on one side, close to the discharge port, of the charging opening, and the spraying device extends out of the spray head into the conveying cylinder.

Through adopting above-mentioned technical scheme, add water in order to carry out wet granulation in the material in granulation equipment department, then the demand of granulation process to the water yield just reduces relatively, is favorable to the water economy resource.

Preferably, the length-diameter ratio of the conveying cylinder is 5-30: 1.

preferably, the stirring gear shaft comprises a fixed shaft rod, a fixed shaft hole for the fixed shaft rod to pass through is coaxially formed in the segmented stirring gear, the fixed shaft rod is coaxially and rotatably connected with the conveying cylinder, and the fixed shaft rod and the segmented stirring gear are relatively fixed.

Through adopting above-mentioned technical scheme, the dead axle pole stirs the tooth for each segmentation and supports, and a plurality of segmentations are stirred the tooth and are passed by a dead axle pole simultaneously, and its axiality and relative position stability each other also obtain guaranteeing.

Preferably, the section of the fixed shaft rod is non-circular, and the fixed shaft rod further comprises a limiting component, wherein the limiting component is used for enabling the segmented stirring teeth and the fixed shaft rod to be relatively fixed in the axial direction.

Preferably, spacing subassembly includes the baffle, the baffle can be dismantled with the dead axle pole and be connected, the baffle stirs the one end butt that the charge door was kept away from with the segmentation tooth, the edge of baffle and the inner wall contact of carrying a section of thick bamboo, a plurality ofly have been seted up to the discharge gate is arranged along the length direction of carrying a section of thick bamboo.

Through adopting above-mentioned technical scheme, under spacing subassembly's effect, the segmentation is stirred the tooth and is realized the installation with the dead axle pole fixed, and the baffle corresponds the setting and stirs tooth tip at the segmentation that is furthest away from the charge door to reach the effect of interception material, thereby make the material discharge from the discharge gate that corresponds in time, reduce the material residue in the transport cylinder.

Preferably, the baffle comprises a butting disc and a transition ring, the transition ring is coaxially and rotatably connected with the butting disc, and the outer ring edge of the transition ring is in contact with the inner wall of the conveying cylinder.

Through adopting above-mentioned technical scheme, in the course of the work, the butt dish can rotate with the dead axle pole is together, and the transition ring has played linking transition effect to a transport section of thick bamboo and butt dish, and stability when improving the baffle rotation has also reduced the wearing and tearing of a transport section of thick bamboo inner wall.

Preferably, the limiting assembly comprises a mounting ring and a mounting bolt, the mounting ring is connected to one side of the baffle plate, which is far away from the segmented stirring teeth, the mounting bolt is in threaded connection with the mounting ring, and a mounting hole for the mounting bolt to pass through is formed in the fixed shaft rod.

By adopting the technical scheme, after the mounting bolt is screwed into the mounting ring and inserted into the mounting hole, the mounting ring is fixedly mounted with the fixed shaft rod.

Preferably, one side of the baffle facing the mounting ring is coaxially and fixedly connected with a threaded cylinder, and the threaded cylinder is coaxially and threadedly connected with the mounting ring.

By adopting the technical scheme, the baffle can move close to or far away from the sectional stirring teeth by rotating the threaded cylinder, and the baffle can further apply abutting force to the sectional stirring teeth, so that the state stability of each sectional stirring tooth is improved.

In summary, the present application includes at least one of the following beneficial technical effects:

1. by dividing the stirring gear shaft into a plurality of segmented stirring gears along the axial direction, the length-diameter ratio of the stirring gear shaft in a single conveying cylinder can be adjusted along with different numbers and types of the segmented stirring gears, and the number and arrangement angles of the stirring gears on the stirring gear rod can also be adjusted along with different types of the segmented stirring gears, so that limited equipment can meet the requirements of various different granulation production;

2. through the setting of spacing subassembly, baffle butt segmentation is stirred each segmentation behind the tooth and is stirred the tooth and just has been realized axial positioning under the butt effect, and the baffle blocks the material in the feed cylinder to make the material discharge from the discharge gate in time, reduce the material residue in the feed cylinder.

Drawings

Fig. 1 is a schematic structural diagram of a stirring-teeth granulating apparatus for carbon nanotubes in a first embodiment of the present application.

Fig. 2 is an exploded view of a structure for embodying a helical gear shaft in the first embodiment of the present application.

Fig. 3 is a schematic view of a fitting structure for embodying the end of the fixed shaft and the flange in the first embodiment of the present application.

Fig. 4 is a schematic structural diagram for showing a stirring tooth shaft structure in the second embodiment of the present application.

Fig. 5 is a schematic structural diagram of a stirring-tooth granulating apparatus for carbon nanotubes in the third embodiment of the present application.

Description of reference numerals: 1. a delivery cylinder; 11. a drive motor; 12. a feed inlet; 13. a discharge port; 14. a flange plate; 141. a support cylinder; 142. a support hole; 15. a spraying device; 2. stirring a gear shaft; 21. a fixed shaft lever; 211. mounting holes; 212. positioning a plate; 22. stirring teeth in sections; 221. a fixed shaft hole; 222. a positive helical section; 223. a reverse-helical segment; 23. a tooth stirring rod; 3. a limiting component; 31. a mounting ring; 32. installing a bolt; 33. a baffle plate; 331. a butting disk; 332. a transition ring; 333. a threaded barrel.

Detailed Description

The present application is described in further detail below with reference to figures 1-5.

The first embodiment is as follows:

the embodiment of the application discloses stirring tooth granulation equipment for carbon nanotubes, which comprises a conveying cylinder 1 and a stirring tooth shaft 2, wherein the stirring tooth shaft 2 is positioned in the conveying cylinder 1 and coaxially rotates; the conveying cylinder 1 is used for feeding materials, and the stirring gear shaft 2 is used for granulating the materials in the conveying cylinder 1; the length-diameter ratio range of the conveying cylinder 1 is 5-30: in the embodiment, the aspect ratio is 10:1.

as shown in fig. 1 and 2, one end fixed mounting of a conveying cylinder 1 has driving motor 11, and driving motor 11 provides rotation driving power for stirring tooth axle 2, stirs a plurality of ratchets 23 of stirring of fixedly connected with on 2 outer walls of tooth axle, and a plurality of ratchets 23 of stirring are the heliciform and arrange on stirring tooth axle 2 lateral walls. The stirring gear shaft 2 comprises a fixed shaft rod 21 and a plurality of segmented stirring gears 22 which are sequentially arranged, each segmented stirring gear 22 can be made into different lengths according to requirements, and the number and the arrangement angle of the stirring gear rods 23 on the different segmented stirring gears 22 can be different. The arrangement direction of each segmented stirring tooth 22 is the axial direction of the stirring tooth shaft 2, the stirring tooth shaft 2 is also provided with a limiting component 3, and every two adjacent segmented stirring teeth 22 are detachably connected through a fixed shaft rod 21 and the limiting component 3. In this embodiment, at most 3 segmented stirring teeth 22 can be arranged on a single fixed shaft 21.

As shown in fig. 1 and 2, the axis of the conveying cylinder 1 is along the horizontal direction, a feeding port 12 and a discharging port 13 are opened on the conveying cylinder 1, and the feeding port 12 is located above the side wall of one end of the conveying cylinder 1 close to the driving motor 11. The discharge ports 13 are positioned on the side wall below the conveying cylinder 1, a plurality of discharge ports 13 are arranged, and the plurality of discharge ports 13 are arranged along the axial direction of the conveying cylinder 1; the arrangement of the plurality of discharge openings 13 is intended to enable the material to be discharged from the conveying cylinder 1 in time in a plurality of situations in which the number of the segmented stirring teeth 22 is different, i.e. each discharge opening 13 is selectively opened or closed in different situations. The positioning plate 212 is coaxially and fixedly connected to the fixed shaft 21 and close to the driving motor 11, the positioning plate 212 is abutted to one end, facing the driving motor 11, of the segmented stirring teeth 22 closest to the charging opening 12, the limiting assembly 3 comprises a baffle 33, the plate surface of the baffle 33 is perpendicular to the length direction of the fixed shaft 21, the baffle 33 is used for intercepting the advancing material at one end, far away from the charging opening 12, of the segmented stirring teeth 22 at the tail end, so that the position of the baffle 33 is selectively located above one of the discharging openings 13 and on one side, far away from the charging opening 12, of the discharging opening 13.

As shown in fig. 1 and 2, each segmented stirring tooth 22 is provided with a fixed shaft hole 221 along its own axial direction, the segmented stirring tooth 22 is in transition fit with the fixed shaft rod 21 through the fixed shaft hole 221, the cross sections of the fixed shaft rod 21 and the fixed shaft hole 221 are both non-circular, in this embodiment, the cross sections of the fixed shaft rod and the fixed shaft hole 221 are both cross-shaped, that is, after the segmented stirring tooth 22 is penetrated by the fixed shaft rod 21 along the axial direction, the segmented stirring tooth and the fixed shaft rod are immediately fixed relatively in the circumferential direction. The limiting component 3 further comprises a mounting ring 31 and a mounting bolt 32, the mounting ring 31 is coaxially sleeved outside the fixed shaft 21 and is located at one end, far away from the charging opening 12, of the segmented stirring teeth 22, the mounting bolt 32 is in threaded connection with the mounting ring 31, and the axis of the mounting bolt 32 is perpendicular to the axis of the mounting ring 31. The stator bar 21 is provided with an installation hole 211 for the installation bolt 32 to pass through, and after the installation bolt 32 is screwed into the installation ring 31 and inserted into the installation hole 211, the installation ring 31 and the stator bar 21 are installed and fixed. One side of the mounting baffle 33, which is far away from the segmented stirring teeth 22, is coaxially and fixedly connected with a thread cylinder 333, the thread cylinder 333 is coaxially and threadedly connected with the mounting ring 31, the baffle 33 can move close to or far away from the segmented stirring teeth 22 by rotating the thread cylinder 333, the baffle 33 can further apply abutting force to the segmented stirring teeth 22, and the state stability of each segmented stirring tooth 22 is improved.

As shown in fig. 1 and 2, the baffle 33 is not a complete plate, and is composed of an abutting disc 331 and a transition ring 332, which are coaxial with each other, wherein the abutting disc 331 is coaxially welded and fixed with the thread cylinder 333 and is directly contacted with the end surface of the segmented stirring tooth 22; the transition ring 332 is rotatably connected to the abutment plate 331 at the inner ring side of the transition ring 332, while the outer ring edge of the transition ring 332 is in contact with the inner wall of the feed cylinder 1. In the course of the work, the butt disc 331 rotates with the dead axle pole 21 together, and the transition ring 332 has played certain linking transition effect to carrying a section of thick bamboo 1 and butt disc 331, improves the stability of baffle 33 and has also reduced the wearing and tearing of carrying a section of thick bamboo 1 inner wall.

As shown in fig. 1 and 3, the end of the conveying cylinder 1 far from the driving motor 11 is blocked by a flange 14, one side of the flange 14 facing the stirring gear shaft 2 is coaxially and rotatably connected with a supporting cylinder 141, a supporting hole 142 for the fixed shaft rod 21 to pass through is coaxially formed in the supporting cylinder 141, and the supporting hole 142 is also cross-shaped and is in transition fit with the fixed shaft rod 21; in the working state, the end of the fixed shaft 21 is supported by the support cylinder 141, and the relative position stability between the fixed shaft 21 and the conveying cylinder 1 is improved.

Example two:

as shown in fig. 4, the difference from the first embodiment is that the stirring tooth shaft 2 in the present embodiment includes one or more forward spiral sections 222 and one or more backward spiral sections 223, one backward spiral section 223 and/or one forward spiral section 222 corresponds to one segmented stirring tooth 22, and the spiral arrangement direction of the stirring tooth rod 23 on the forward spiral section 222 is opposite to the spiral arrangement direction of the stirring tooth rod 23 on the backward spiral section 223, that is, during the rotation of the stirring tooth shaft 2, the stirring tooth of the backward spiral section 223 can generate a force on the material in the direction opposite to the material traveling direction. In this embodiment, the single forward spiral section 222 or the single reverse spiral section 223 is one segmented stirring tooth 22, there are two forward spiral sections 222 and one reverse spiral section 223, the stirring tooth rod 23 of the reverse spiral section 223 is arranged in a circumferential direction of the stirring tooth shaft 2, and the segmented stirring tooth 22 of the reverse spiral section 223 is located between the segmented stirring teeth 22 of the two forward spiral sections 222. The existence of the reverse spiral section 223 enables the material to receive resistance in the advancing process, prolongs the residence time of the material in the conveying cylinder 1, improves the stirring effect of the stirring tooth rod 23 on the material, and enables the carbon nano tube particles generated by granulation to be thinner.

Example three:

as shown in fig. 5, the difference between the first embodiment and the second embodiment is that a spraying device 15 for adding water to the internal material is further disposed on the conveying cylinder 1 in the present embodiment, the spraying device 15 is located near the charging opening 12 and on a side of the charging opening 12 facing the discharging opening 13, and a plurality of small-diameter nozzles (not shown) protrude into the conveying cylinder 1, and the span of all the nozzles can occupy 1/10-1/2 of the total length of the conveying cylinder 1. In the wet granulation process, the water adding amount of the material at the conveying cylinder 1 of the granulator is smaller than that of the material before entering the granulator, so that the water resource saving amount is increased.

The implementation principle of the stirring tooth granulation equipment for the carbon nano tube in the embodiment of the application is as follows:

according to the raw material characteristics and the production requirements of the carbon nano tube, selecting different quantities of segmented stirring teeth 22 and stirring teeth 22 with different arrangement angles of the tooth bars 23, sequentially sleeving the segmented stirring teeth 22 on the fixed shaft rod 21, further fixing the segmented stirring teeth 22 through the limiting component 3, then putting the assembled stirring tooth shaft 2 into the conveying cylinder 1, installing the flange plate 14, opening the discharge port 13 at the corresponding position of the baffle plate 33, plugging the rest discharge ports 13, and then beginning to perform granulation.

The above are preferred embodiments of the present application, and the scope of protection of the present application is not limited thereto, so: equivalent changes in structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a stir tooth granulation equipment for carbon nanotube, includes conveying cylinder (1) and stirs tooth axle (2), stir tooth axle (2) coaxial rotation in conveying cylinder (1), it is equipped with a plurality of ratchets (23) of stirring on tooth axle (2), charge door (12) and discharge gate (13), its characterized in that have been seted up on conveying cylinder (1): include stir pinion (2) and include that a plurality of sections stir tooth (22), it is a plurality of section stir tooth (22) and arrange along the axial in proper order, adjacent two section stir tooth (22) and each other detachable connections.

2. The stirring teeth granulation equipment for carbon nanotubes as claimed in claim 1, wherein: the stirring gear shaft (2) comprises one or more forward spiral sections (222) and one or more backward spiral sections (223), the spiral arrangement direction of the stirring gear rods (23) on the forward spiral sections (222) is opposite to the spiral arrangement direction of the stirring gear rods (23) on the backward spiral sections (223), one forward spiral section (222) and/or one backward spiral section (223) corresponds to one segmented stirring gear (22), and the forward spiral sections (222) and the backward spiral sections (223) are alternately arranged along the axial direction of the stirring gear shaft (2).

3. The stirring teeth granulation equipment for carbon nanotubes as claimed in claim 1, wherein: and a spraying device (15) is arranged on one side of the conveying cylinder (1) which is positioned at the charging opening (12) and is close to the discharging opening (13), and the spraying device (15) extends out of the spray head into the conveying cylinder (1).

4. The stirring teeth granulation equipment for carbon nanotubes as claimed in claim 1, wherein: the length-diameter ratio of the conveying cylinder (1) is 5-30: 1.

5. the stirring tooth granulation equipment for carbon nanotubes of claim 1, wherein: the stirring gear shaft (2) comprises a fixed shaft rod (21), a fixed shaft hole (221) for the fixed shaft rod (21) to penetrate through is coaxially formed in the segmented stirring gear (22), the fixed shaft rod (21) is coaxially and rotatably connected with the conveying cylinder (1), and the fixed shaft rod (21) and the segmented stirring gear (22) are relatively fixed.

6. The stirring teeth granulation equipment for carbon nano tube according to claim 5, characterized in that: the cross section of the fixed shaft rod (21) is non-circular, and the fixed shaft rod further comprises a limiting component (3), wherein the limiting component (3) is used for enabling the segmented stirring teeth (22) and the fixed shaft rod (21) to be relatively fixed in the axial direction.

7. The stirring teeth granulation equipment for carbon nano tube according to claim 6, characterized in that: spacing subassembly (3) include baffle (33), baffle (33) can be dismantled with dead axle pole (21) and be connected, baffle (33) stir the one end butt that tooth (22) kept away from charge door (12) with the segmentation, the edge of baffle (33) and the inner wall contact of carrying a section of thick bamboo (1), a plurality ofly, a plurality of have been seted up in discharge gate (13) the length direction of carrying a section of thick bamboo (1) is arranged in discharge gate (13).

8. The stirring teeth granulation equipment for carbon nano tube according to claim 7, characterized in that: the baffle (33) comprises an abutting disc (331) and a transition ring (332), the transition ring (332) is coaxially and rotatably connected with the abutting disc (331), and the outer ring edge of the transition ring (332) is in contact with the inner wall of the conveying cylinder (1).

9. The stirring teeth granulation equipment for carbon nano tube according to claim 7, characterized in that: the limiting assembly (3) comprises a mounting ring (31) and a mounting bolt (32), the mounting ring (31) is connected to one side, deviating from the segmented stirring teeth (22), of the baffle plate (33), the mounting bolt (32) is in threaded connection with the mounting ring (31), and a mounting hole (211) for the mounting bolt (32) to penetrate is formed in the fixed shaft rod (21).

10. The stirring teeth granulation equipment for carbon nano tube according to claim 7, characterized in that: one side of the baffle (33) facing the mounting ring (31) is coaxially and fixedly connected with a threaded cylinder (333), and the threaded cylinder (333) is coaxially in threaded connection with the mounting ring (31).