CN212524020U

CN212524020U - Non-main shaft type ring die pressing roller mechanism of biomass granulator

Info

Publication number: CN212524020U
Application number: CN202021066569.5U
Authority: CN
Inventors: 史骏
Original assignee: Liyang Dongjun Machinery Technology Co ltd
Current assignee: Liyang Dongjun Machinery Technology Co ltd
Priority date: 2020-06-10
Filing date: 2020-06-10
Publication date: 2021-02-12
Anticipated expiration: 2030-06-10

Abstract

The utility model relates to a biomass granulator's no main shaft type ring die compression roller mechanism, use the technical field at the granulation machine, it includes the dead axle, ring die and compression roller, still include the box, transmission shaft and support, dead axle and transmission shaft all pass the box and rotate with the box and be connected, be equipped with intermeshing's driven gear and driving gear on dead axle and the transmission shaft respectively, the one end and the power component of transmission shaft are connected, the barrel and the box of feed auger are connected, and in the auger shaft of feed auger stretched into the dead axle, the one end that the feed auger was kept away from to the dead axle is connected with the ring die, the compression roller is equipped with two and all rotates and connects on the support, two pressure-sharing rollers are located the ring die and contradict with the ring die inner wall. The utility model discloses have the effect that prevents the main shaft fracture.

Description

Non-main shaft type ring die pressing roller mechanism of biomass granulator

Technical Field

The utility model belongs to the technical field of the technique of granulation machine and specifically relates to a biomass granulation machine's no main shaft formula ring die pressing roller mechanism is related to.

Background

The particle machine can take wastes of agriculture and forestry processing, such as wood chips, straws, rice hulls, barks and other biomasses as raw materials, solidify the wastes into high-density particle fuel through pretreatment and processing, and is efficient and clean renewable energy.

Chinese patent No. CN207357105U discloses a cooling structure for press roll of granulator, comprising: the main shaft is arranged in the hollow shaft through a main shaft bearing and comprises a shaft body and a shaft end plate arranged at one end of the shaft body, two symmetrical driving pieces are arranged on the end surface of the shaft end plate, the driving pieces are installed in a matched mode with an eccentric shaft, the eccentric shaft is internally provided with an eccentric shaft bearing in a matched mode, a first cooling channel and a second cooling channel which are used for communicating the end surface of the power input end of the main shaft with the end surface of the shaft end plate are arranged in the main shaft, the first cooling channel and the second cooling channel are communicated with a cooling cavity of the eccentric shaft bearing, and a third cooling channel which is used for connecting the end surface of the power input end with the inside of the main.

However, because the main shaft is installed in the hollow shaft, the main shaft bearing is limited by the inner diameter of the hollow shaft, and the main shaft bearing cannot be freely installed in a large specification, and the main shaft is slender and needs to bear the force transmitted by the pressing roller during operation, so that the main shaft is easy to break.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a biomass granulator's no main shaft type ring die pressing roller mechanism, has the effect that prevents that the main shaft from breaking off.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme: the utility model provides a no main shaft formula ring die compression roller mechanism of biomass granulator, includes dead axle, ring die and compression roller, still includes box, transmission shaft and support, dead axle and transmission shaft all pass the box and rotate with the box and be connected, be equipped with intermeshing's driven gear and driving gear on dead axle and the transmission shaft respectively, the one end and the power component of transmission shaft are connected, the barrel of feed auger with the box is connected, and the auger shaft of feed auger stretches into in the dead axle, the one end that the feed auger was kept away from to the dead axle is connected with the ring die, the compression roller is equipped with two and all rotates and connect on the support, two the equalizer roller is located the ring die and contradicts with the ring die inner wall.

By adopting the technical scheme, during processing, the power element drives the transmission shaft to rotate, the transmission shaft drives the driving gear to rotate, the driving gear drives the driven gear to rotate, so that the hollow shaft rotates, the two compression rollers rotate under the drive of the annular die, the material is transmitted into the annular die from the hollow shaft by the feeding auger, extruded from each hole of the annular die after being extruded by the compression rollers, and then thrown off under the action of centrifugal force to form material particles; because the compression roller adopts split type design, the installation basis of the compression roller is independent of the hollow shaft, and the design of the traditional built-in main shaft is cancelled, thereby preventing the condition of main shaft fracture.

The present invention may be further configured in a preferred embodiment as: the press roller is characterized in that two bases are arranged on the support, two press covers are connected onto the bases, arc grooves are formed in one opposite sides of the press covers and the bases, core shafts are arranged in the two opposite arc grooves, and the press rollers are respectively connected onto the two core shafts in a rotating mode.

Through adopting above-mentioned technical scheme, when needs overhaul the compression roller, the operator only need unscrew the screw and open the gland alright take off the dabber together with the compression roller, reduced the restriction in the space, made things convenient for the operator to the maintenance of compression roller.

The present invention may be further configured in a preferred embodiment as: the end of the mandrel, which is far away from the gland, is provided with a first bearing, the inner ring of the compression roller is connected with the outer ring of the first bearing, two end faces of the compression roller are both connected with end covers, and a shaft hole for the mandrel to pass through is formed in the end cover towards the mandrel.

By adopting the technical scheme, the end cover reduces the possibility of interference of material particles or dust and the like on the bearing, and prolongs the service life of the bearing.

The present invention may be further configured in a preferred embodiment as: the inner wall of the shaft hole is provided with counter bores which are coaxially distributed, an oil seal is arranged in each counter bore, and the mandrel is located in an inner ring of the oil seal.

Through adopting above-mentioned technical scheme, the oil blanket has improved the leakproofness of dabber in shaft hole department, does benefit to the save of lubricating oil in the actual work process.

The present invention may be further configured in a preferred embodiment as: the mandrel is provided with a limiting surface, and the gland is in threaded connection with a limiting screw of which one end is butted against the limiting surface.

Through adopting above-mentioned technical scheme, the rotation of dabber has been restricted in the cooperation of spacing screw and spacing face.

The present invention may be further configured in a preferred embodiment as: the box body comprises a box base and a box cover which are connected through screws, mounting holes for the hollow shafts to penetrate are formed in two opposite sides of the box cover and the box base respectively, two opposite second bearings matched with the hollow shafts are arranged in the mounting holes, first flange sealing plates are connected to the side walls of the box cover and the box base through screws in the mounting holes, the first flange sealing plates are semi-annular and are distributed coaxially with the mounting holes, the hollow shafts penetrate through inner rings of the first flange sealing plates from the two opposite first flange sealing plates, and the transmission shafts are connected to the box base in a rotating mode.

By adopting the technical scheme, the box cover and the box base are detachably connected, so that the hollow shaft can be directly taken out, and the hollow shaft is convenient to mount and maintain; the first flange sealing plate reduces the possibility that external impurities enter from the gap between the hollow shaft and the mounting hole, and the service life of the second bearing is prolonged.

The present invention may be further configured in a preferred embodiment as: one side, facing the first bearing, of the first flange sealing plate is provided with an oil hole, and a second oil seal is arranged in the oil hole.

Through adopting above-mentioned technical scheme, the second oil blanket has further improved the sealing performance of hollow shaft in mounting hole department.

The present invention may be further configured in a preferred embodiment as: the side wall of the first flange sealing plate is provided with sealing ring grooves, and O-shaped rings are arranged in the two opposite sealing ring grooves.

Through adopting above-mentioned technical scheme, O type circle is stopped up the gap between first flange closing plate and case seat and the case lid, has reduced the possibility that inside lubricating oil leaks.

To sum up, the utility model discloses a following at least one useful technological effect:

1. the compression roller is designed independently, a main shaft in the traditional granulator is omitted, and the situation of main shaft fracture is fundamentally avoided;

2. the gland is detachably connected with the base, so that an operator can integrally detach the mandrel, the installation process is simplified, and the limitation on space is reduced; the second oil seal and the O-shaped ring increase the sealing performance of the hollow shaft connection part.

Drawings

Fig. 1 is a schematic structural diagram of the present embodiment.

Fig. 2 is an enlarged view at a in fig. 1.

Fig. 3 is an enlarged view at B in fig. 1.

Fig. 4 is a schematic structural diagram for embodying the cradle in the present embodiment.

In the figure, 1, a hollow shaft; 11. a driven gear; 2. performing ring die; 3. a compression roller; 31. a support; 32. a box body; 321. a box base; 322. a box cover; 323. a drive shaft; 3231. a driving gear; 324. mounting holes; 3241. a second bearing; 325. a first retainer ring; 326. a first flange seal plate; 327. an oil hole; 3271. a second oil seal; 328. sealing the ring groove; 329. an O-shaped ring; 33. a servo motor; 41. a central bore; 42. a third bearing; 43. a coupling; 44. a second flange seal plate; 441. a first oil seal; 442. a second retainer ring; 45. a third flange seal plate; 451. a limiting ring; 5. a base; 51. a gland; 511. an arc groove; 52. a mandrel; 521. a first bearing; 53. an end cap; 531. a shaft hole; 54. a counter bore; 55. oil sealing; 56. a limiting surface; 57. a limit screw; 6. a feeding auger.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

As shown in fig. 1, for the utility model discloses a no main shaft formula ring mould press roll mechanism of living beings granulation machine, including hollow shaft 1, ring mould 2, compression roller 3, box 32, transmission shaft 323, servo motor 33 and support 31.

As shown in fig. 1 and 2, the box body 32 includes a box base 321 and a box cover 322 connected by screws, the box cover 322 and the box base 321 are respectively provided with mounting holes 324 on two opposite sides, the mounting holes 324 are semicircular and symmetrically distributed at the splicing position of the box cover 322 and the box base 321, two opposite mounting holes 324 form a circular hole for the hollow shaft 1 to pass through, two sets of mounting holes 324 are respectively provided with a second bearing 3241 matched with the hollow shaft 1, and the hollow shaft 1 is provided with the driven gear 11.

As shown in fig. 2, the side walls of the box cover 322 and the box base 321 are both provided with first flange sealing plates 326 in which the mounting holes 324 are coaxially distributed, the first flange sealing plates 326 are semi-annular, inner rings of two opposite first flange sealing plates 326 are spliced into a circular hole for the hollow shaft 1 to pass through, one sides of the two first flange sealing plates 326 facing the second bearing 3241 are both provided with oil holes 327, and the two oil holes 327 are both provided with second oil seals 3271 matched with the hollow shaft 1; two opposite first flange sealing plates 326 all offer the seal ring groove 328 with the coaxial distribution of mounting hole 324 on the one side that deviates from the external world, are equipped with O type circle 329 in two opposite seal ring grooves 328, and O type circle and second oil blanket 3271 all are used for guaranteeing the leakproofness of hollow shaft 1 in mounting hole 324 department to lubricating oil that is used for the lubrication in the second reducing gear box leaks.

As shown in fig. 3, two opposite sides of the box base 321 are both provided with a central hole 41 through which the transmission shaft 323 passes, the transmission shaft 323 is provided with a driving gear 3231 engaged with the driven gear 11, an inner diameter of the central hole 41 is larger than an outer diameter of the driving gear 3231, the box base 321 is provided with third bearings 42 matched with the transmission shaft 323 in the two central holes 41, an outer ring of each third bearing 42 is fixed with the central hole 41, an inner ring of each third bearing is fixed with the transmission shaft 323, so that the transmission shaft 323 can freely rotate, one end of the transmission shaft 323 is coaxially connected with a motor shaft of the servo motor 33 through a coupler 43, the coupler 43 adopts a quincunx coupler 43, and axial and radial compensation is performed on a connection; the side wall of the box base 321 is connected with a second flange sealing plate and a third flange sealing plate 45 at two central holes 41 respectively through screws, the second flange sealing plate 44 is opposite to the first reduction box, and a hole for the transmission shaft 323 to pass through is arranged on the second flange sealing plate 44.

As shown in fig. 3, a second retaining ring 442 is disposed between the second flange sealing plate 44 and the third bearing 42, the second retaining ring 442 is sleeved on the transmission shaft 323 and abuts against the outer ring of the third bearing 42, and two first oil seals 441 engaged with the transmission shaft 323 are disposed on the inner ring of the second flange sealing plate 44; the side wall of the third flange sealing plate 45 is provided with a limit ring 451 abutting against the third bearing 42, the limit ring 451 and the third flange sealing plate 45 are integrally formed, and the second stop ring 442 and the limit ring 451 limit the axial movement of the transmission shaft 323.

As shown in fig. 1 and 2, a flange plate is arranged at the discharge end of the cylinder body of the feeding auger 6, the flange plate is connected with two opposite first sealing plates through screws, an auger shaft of the feeding auger 6 extends into the hollow shaft 1, and one end of the hollow shaft 1, which is far away from the feeding auger 6, is connected with the ring die 2.

As shown in fig. 4, two bases 5 are arranged on the support 31, a gland 51 is connected to each of the two bases 5 through a screw, arc grooves 511 are formed in opposite sides of the gland 51 and the bases 5, a limiting surface 56 is arranged at one end of the mandrel 52 and is clamped between the two opposite arc grooves 511, a plurality of limiting screws 57 axially distributed along the mandrel 52 are connected to the gland 51 through threads, and the end of each limiting screw 57 downwards penetrates through the gland 51 to abut against the limiting surface 56 to limit the rotation of the mandrel 52.

As shown in fig. 4, one end of the mandrel 52, which is away from the gland 51, is provided with a first bearing 521, the first bearing 521 is a deep groove ball bearing, the axial and radial load bearing performance is good, the inner ring of the press roll 3 is fixed with the outer ring of the first bearing 521, the two press rolls 3 are both located in the ring mold 2 and are abutted against the inner wall of the ring mold 2, meanwhile, two end faces of the press roll 3 are both connected with end covers 53 through screws, the first bearing 521 is blocked, an axial hole 531 for the mandrel 52 to pass through is formed in the end cover 53 facing the mandrel 52, counterbores 54 coaxially distributed on the inner wall of the axial hole 531 are formed, an oil seal 55 matched with the mandrel 52 is arranged in the counterbores 54, the inner ring of the oil seal 55 is abutted against the outer circle of the mandrel 52, which is beneficial to increasing the.

The implementation principle of the embodiment is as follows: servo motor 33 starts, the first transmission shaft 323 of drive rotates, transmission shaft 323 drives driven gear 11 through driving gear 3231 and rotates, thereby make hollow shaft 1 rotate, because the working face of compression roller 3 and ring mould 2 inner wall is contradicted, make compression roller 3 rotatory under ring mould 2 drives, the material is by feed auger 6 through the inside transmission of hollow shaft 1 to ring mould 2 in, the material that is located between compression roller 3 and the 2 wedge angles of ring mould is the column in the hole on the ring mould 2 and extrudes under the extrusion of compression roller 3, just after the material extrudees certain length automatically under the centrifugal force effect and is thrown away absolutely.

Compared with the traditional granulator, the split type design of the compression roller 3 cancels the hollow shaft 1, so that the situation of main shaft fracture does not exist correspondingly, and sufficient allowance is provided for the design sizes of the hollow shaft 1 and the compression roller 3, so that the strength can be ensured by adopting the large hollow shaft 1 and the large mandrel 52, and the service life is prolonged.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a no main shaft type ring mould compression roller mechanism of living beings granulation machine, includes hollow shaft (1), ring mould (2) and compression roller (3), its characterized in that: still include box (32), transmission shaft (323) and support (31), empty axle (1) and transmission shaft (323) all pass box (32) and rotate with box (32) and be connected, be equipped with intermeshing's driven gear (11) and driving gear (3231) on empty axle (1) and transmission shaft (323) respectively, the one end and the power component of transmission shaft (323) are connected, the barrel of feed auger (6) with box (32) are connected, and the auger shaft of feed auger (6) stretches into in empty axle (1), the one end that feed auger (6) were kept away from in empty axle (1) is connected with ring mould (2), compression roller (3) are equipped with two and all rotate and connect on support (31), two compression roller (3) all are located ring mould (2) and contradict with ring mould (2) inner wall.

2. The hoseless ring molding press roller mechanism of biomass granulator of claim 1, wherein: be equipped with two bases (5) on support (31), two be connected with gland (51) on base (5), arc groove (511), two relative have all been seted up in relative one side in gland (51) and base (5) be equipped with dabber (52) in arc groove (511), two compression roller (3) rotate respectively and connect on two dabber (52).

3. The hoseless ring molding press roller mechanism of biomass granulator of claim 2, wherein: one end, far away from gland (51), of dabber (52) is equipped with first bearing (521), compression roller (3) inner circle is connected with first bearing (521) outer lane, two terminal surfaces of compression roller (3) all are connected with end cover (53), towards dabber (52) seted up on end cover (53) and supply dabber (52) to pass shaft hole (531).

4. The hoseless ring molding press roll mechanism of biomass granulator of claim 3, wherein: the inner wall of the shaft hole (531) is provided with counterbores (54) which are coaxially distributed, an oil seal (55) is arranged in each counterbore (54), and the mandrel (52) is located on the inner ring of the oil seal (55).

5. The hoseless ring molding press roller mechanism of biomass granulator of claim 2, wherein: the mandrel (52) is provided with a limiting surface (56), and the gland (51) is connected with a limiting screw (57) with one end abutting against the limiting surface (56) in a threaded manner.

6. The hoseless ring molding press roller mechanism of biomass granulator of claim 1, wherein: the box body (32) comprises a box base (321) and a box cover (322) which are connected through screws, mounting holes (324) for the hollow shaft (1) to penetrate through are formed in two opposite sides of the box cover (322) and the box base (321), second bearings (3241) matched with the hollow shaft (1) are arranged in the two opposite mounting holes (324), first flange sealing plates (326) are connected to the side walls of the box cover (322) and the box base (321) at the positions of the mounting holes (324) through screws, the first flange sealing plates (326) are semi-annular and are distributed coaxially with the mounting holes (324), the hollow shaft (1) penetrates through the inner rings of the two opposite first flange sealing plates (326), and the transmission shaft (323) is rotatably connected to the box base (321).

7. The hoseless ring molding press roll mechanism of biomass granulator of claim 6, wherein: an oil hole (327) is formed in one side, facing the first bearing (521), of the first flange sealing plate (326), and a second oil seal (3271) is arranged in the oil hole (327).

8. The hoseless ring molding press roll mechanism of biomass granulator of claim 7, wherein: the side wall of the first flange sealing plate (326) is provided with sealing ring grooves (328), and O-shaped rings (329) are arranged in the two opposite sealing ring grooves (328).