CN117483066A - Branch shredder - Google Patents

Abstract

The utility model provides a branch crusher, wherein a crushing chamber of the branch crusher comprises a receiving plate with a mounting hole, a crushing assembly comprises a lower connecting shell and an upper connecting shell, wherein the lower connecting shell is arranged above the receiving plate, and the upper connecting shell is arranged in the mounting hole, so that the combination of the crushing chamber and the crushing assembly is more compact, the reduction of transmission distance is facilitated, and the transmission efficiency is improved; the upper connecting shell is respectively provided with the first bevel gear and the second bevel gear which are meshed with each other, so that a belt is omitted, the structure is more compact, the size is smaller, parts are saved, and compared with belt pulley transmission, the direct transmission of the gears is not easy to slip, so that the abrasion is reduced, and the replacement frequency of the belt and the belt pulley is reduced; be equipped with drive assembly on the second helical gear, be equipped with the blade disc on the drive assembly for the power of second helical gear output can be transmitted to the blade disc with shorter distance, less loss, smash efficiently, has reduced the repeated wearing and tearing between blade disc and the branch and leaf, has reduced the change frequency of blade disc.

Description

Branch shredder

Technical Field

The utility model relates to the technical field of branch breakers, in particular to a branch breaker.

Background

Along with the progress of science and technology, the branch breaker replaces the manual work gradually, smashes the plant branch and leaf that produce agriculture and forestry, smashes the plant branch and leaf with the branch breaker, has crushing efficiency height, advantage such as granule fineness, and plant branch and leaf after smashing can be degraded fast or make fodder, fertilizer use.

The existing branch shredder generally comprises a power source and a cutter which is driven by the power source, wherein the power source transmits power to the cutter through a belt by rotating the cutter for crushing branches and leaves, for example, the Chinese patent is shown as a cutter type branch shredder (CN 209049485U), and the power of an engine is finally transmitted to the cutter through a belt pulley, a belt and a single-belt second helical gear; when the belt pulley transmission mechanism is applied to the branch crusher, the whole volume of the branch crusher is larger, more parts participate in transmission are arranged, the transmission distance is longer, and the transmission efficiency is lower; when the plant branches are crushed to be thicker and harder, or hard objects such as stones are mixed into branches and leaves to be crushed carelessly, the cutter disc can bear larger resistance, so that the belt pulley transmission mechanism generates speed loss, particularly overload slipping, the belt pulley transmission mechanism is in an unstable state, the efficiency is reduced sharply, abrasion among parts and between the parts and the branches and leaves is increased, the service lives of the belt, the belt pulley and the blades can be influenced when the parts are worn seriously, and even the whole transmission mechanism and a power source are damaged, so that the replacement frequency of the parts is increased.

Disclosure of Invention

The utility model aims to solve the problems that: the branch shredder is small in size, higher in transmission efficiency, more stable in operation and lower in replacement frequency of parts.

The utility model solves the problems by adopting the following technical scheme: the branch crusher comprises a feeding part for throwing branches and leaves, a crushing chamber arranged at a branch and leaf drop point of the feeding part and a crushing assembly for crushing the branches and leaves, wherein the crushing chamber comprises a receiving plate arranged below; the material receiving plate is internally provided with a mounting hole; the crushing assembly comprises a lower connecting shell fixedly connected below the receiving plate and an upper connecting shell fixedly connected above the receiving plate and penetrating out of the mounting hole; the upper connecting shell comprises a first bevel gear protection shell and a second bevel gear protection shell which are positioned on the same plane and are connected with each other; a conical shell is arranged above the second helical gear protective shell; the first helical gear protection shell and the second helical gear protection shell are internally provided with a first helical gear and a second helical gear which are meshed with each other respectively; the second bevel gear is provided with a transmission assembly, and the transmission assembly extends out from the top end of the conical shell; the top of the transmission component is provided with a cutter disc, and the cutter disc is arranged in the crushing chamber.

Compared with the prior art, the crushing chamber comprises the receiving plate, the receiving plate is internally provided with the mounting hole, the crushing assembly comprises the lower connecting shell and the upper connecting shell, wherein the lower connecting shell is arranged above the receiving plate, and the upper connecting shell is arranged in the mounting hole, so that the combination of the crushing chamber and the crushing assembly is more compact, the reduction of the transmission distance is facilitated, and the transmission efficiency is improved; the first helical gear protection shell and the second helical gear protection shell of the upper connecting shell are internally provided with a first helical gear and a second helical gear which are meshed with each other respectively, and as the first helical gear and the second helical gear are directly meshed for transmission, a belt is omitted, so that the structure is more compact, the size is smaller, parts are saved, the transmission distance is reduced, the transmission efficiency is improved, when the facing larger resistance is met, the direct transmission of the gears is difficult to slip compared with the transmission of the belt pulley, the abrasion between the belt and the belt pulley is reduced, and the replacement frequency of the belt and the belt pulley is reduced; be equipped with drive assembly on the second helical gear, be equipped with the blade disc on the drive assembly for the power of second helical gear output can be transmitted to the blade disc with shorter distance, less loss, thereby make the speed loss of blade disc little, when facing the harder branch and leaf of texture, also can high-efficient crushing, reduced the repetition wearing and tearing between blade disc and the branch and leaf, reduced the change frequency of blade disc.

The utility model relates to a branch shredder, wherein a feeding part comprises a feeding hole and a feeding cavity arranged below the feeding hole; the material receiving plate is parallel to the cutter head and is arranged below the feeding cavity in an inclined state, so that branches and leaves falling from the feeding cavity fall onto the material receiving plate after being crushed by the cutter head; the crushing chamber further comprises a discharge hole arranged at the tail end of the receiving plate.

Through above-mentioned design for branch and leaf can rely on self gravity to fall to the blade disc from the feed chamber, fall into on the collecting plate after the blade disc is smashed, through the collecting plate that the slope set up, discharge from the terminal discharge gate of collecting plate naturally, thereby reduced branch and leaf pile up in smashing indoor and the blade disc friction repeatedly leads to the blade disc loss to increase, change the frequency increase.

The utility model relates to a branch shredder, wherein a cutter head comprises a tray body, and a plurality of scraping sheets are arranged on the lower end surface of the tray body; the upper end face of the tray body is provided with a plurality of mounting tables; a blade is detachably connected to each mounting table; the tray body is also provided with a plurality of crushed aggregates outlets, and the crushed aggregates outlets are arranged on one side of the blade and one side of the scraping sheet.

Through the design, the scraping sheet can rotate along with the cutter head to push the crushed branches and leaves to the discharge port, so that the accumulation of the branches and leaves in the crushing chamber is further reduced, and the repeated friction between the cutter head and the branches and leaves is reduced; the blade is detachably connected to the mounting table, so that the blade serving as a consumable is more convenient to replace; the design of a plurality of crushed aggregates export is favorable to improving crushing efficiency.

The utility model relates to a branch shredder, wherein a tray body is arranged at the top end of a conical shell so as to generate a space between the tray body and a receiving plate; the scraping sheet is arranged between the tray body and the receiving plate; the bracket comprises two L-shaped rods; the upper ends of the two L-shaped rods are fixedly connected with the material receiving plate, and the lower ends of the L-shaped rods are fixedly connected with the material receiving plate through detachable reinforcing rods.

Through the design, a small amount of accumulated space for crushed branches and leaves is formed between the tray body and the material receiving plate, so that the crushed branches and leaves can not immediately rub against the rotating tray body after falling from the crushed material outlet, the abrasion of the tray body is reduced, and the crushed branches and leaves can be pushed out by the scraping sheet before being accumulated in a large amount; the support formed by the two L-shaped rods and the detachable reinforcing rod enables the utility model to obtain enough supporting force, is convenient to detach, and reduces the volume during transportation and storage.

The utility model relates to a branch shredder, wherein a lower connecting shell comprises a driving bearing cavity arranged on one side and a first driven bearing cavity arranged on the other side; a driving bearing is arranged in the driving bearing cavity, and a first driven bearing is arranged in the first driven bearing cavity; the lower end of the first helical gear is arranged in the driving bearing; the conical shell comprises a second driven bearing cavity arranged below; a second driven bearing is arranged in the second driven bearing cavity; the two ends of the transmission shaft are respectively arranged in the first driven bearing and the second driven bearing.

Through above-mentioned design for first helical gear, transmission shaft and set up in the epaxial second helical gear of transmission protection effect are better, avoid kibbling branch and leaf to lead to the fact wearing and tearing with above-mentioned pivoted part contact, and the design in bearing and bearing chamber makes the motion of above-mentioned structure more stable, in reasonable resistance range, also be difficult for wearing and tearing that skids between the part.

The utility model discloses a branch shredder, wherein the transmission assembly further comprises a transmission disc; the transmission disc comprises a connecting sheet, a rectangular driving block arranged on the upper end surface of the connecting sheet and a driving groove penetrating through the rectangular driving block; the upper end of the transmission shaft is provided with a driving end; the driving end is matched with the driving groove; the cutter head comprises a rectangular driving hole arranged in the middle; the rectangular driving block is matched with the rectangular driving hole.

Through the design, the transmission efficiency of the transmission shaft and the cutterhead is higher, the transmission shaft is not easy to slip, and the transmission loss is small.

The utility model relates to a branch shredder, wherein a bearing positioning plate is further arranged in a lower connecting shell; the bearing positioning plate comprises a driving bearing limit ring arranged on one side and a driven bearing limit ring arranged on the other side; the driving bearing limit ring is sleeved outside the driving bearing, and the driven bearing limit ring is sleeved outside the first driven bearing.

Through above-mentioned design for initiative bearing and first driven bearing have consolidated, in use difficult dislocation, thereby increased crushing assembly's stability, also reduced the part wearing and tearing that dislocation brought, thereby reduced the change frequency of part.

The utility model relates to a branch shredder, wherein a motor is arranged below a lower connecting shell, and an output shaft of the motor is connected with a first bevel gear; the lower connecting shell further comprises a heat dissipation shell which is arranged below and provided with heat dissipation holes; the heat dissipation shell is of a hollow structure, and an impeller is arranged in the heat dissipation shell; the impeller is connected with an output shaft of the motor.

Through the design, the heat dissipation effect of the motor is better, the service life of the motor is prolonged, and the replacement frequency of the motor is reduced.

The utility model relates to a branch shredder, wherein a transmission assembly comprises a transmission shaft; the transmission shaft comprises a sleeved section and a threaded section positioned above the sleeved section; the second bevel gear is arranged at the outer side of the sleeved section; the outer side of the thread section is fixedly connected with a clutch assembly; the second bevel gear drives the clutch assembly and the transmission shaft through friction force; when the resistance of the clutch assembly and the transmission shaft is larger than the friction force, the second bevel gear and the clutch assembly slip.

Through above-mentioned design for possess the separation and reunion function between second helical gear and the clutch pack, so that when meetting great resistance, second helical gear and clutch pack take place to skid, thereby the interior part of crushing subassembly is protected, reduces its probability of collapsing, reduces the change frequency of each part.

The utility model relates to a branch shredder, wherein a clutch assembly comprises a thread disc, an elastic disc, a first friction disc and a second friction disc which are sequentially arranged from top to bottom; the thread disc is matched with the thread section; the elastic disc is compressed by the threaded disc, so that the threaded disc is tightly attached to the first friction disc, and the first friction disc is tightly attached to the second friction disc.

Through the design, the clutch component is tightly connected with the transmission shaft, and the deformation of the elastic disk can be adjusted by adjusting the threaded disk on the threaded section, so that the critical slip friction force of the first friction disk and the second friction disk can be adjusted; in addition, the first friction plate and the second friction plate have two different friction coefficients so as to form a two-way slip structure, and further prevent the internal parts of the crushing assembly from collapsing when encountering large resistance.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a cross-sectional view of the present utility model;

FIG. 3 is an enlarged view of the transmission assembly;

FIG. 4 is a schematic view showing an internal structure of the pulverizing chamber;

fig. 5 is a schematic structural view of a cutterhead;

FIG. 6 is a schematic diagram of the structure of a drive disk;

FIG. 7 is a schematic view of the construction of the pulverizing assembly;

FIG. 8 is a schematic view of the engagement of a first helical gear with a second helical gear;

FIG. 9 is a cross-sectional view of the shredder assembly;

FIG. 10 is a schematic view of a bearing retainer plate;

fig. 11 is a schematic structural view of the clutch assembly.

Detailed Description

Before any embodiments of the utility model are explained in detail, it is to be understood that the utility model is not limited in its application to the details of construction and the arrangement of components set forth in the following description or illustrated in the following drawings. The utility model is capable of other embodiments and of being practiced or of being carried out in various ways. Also, it is to be understood that the phraseology and terminology used herein is for the purpose of description and should not be regarded as limiting. The use of "including" or "having" and variations thereof herein is meant to encompass the items listed thereafter and equivalents thereof as well as additional items. Unless specified or limited otherwise, the terms "mounted," "connected," "supported," and "coupled" and variations thereof are used broadly and encompass both direct and indirect mountings, connections, supports, and couplings. Furthermore, "connected" and "coupled" are not restricted to physical or mechanical connections or couplings.

Also, in the present disclosure, the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are merely for convenience in describing the present disclosure and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus the above terms should not be construed as limiting the present disclosure; in a second aspect, the terms "a" and "an" should be understood as "at least one" or "one or more", i.e. in one embodiment the number of one element may be one, while in another embodiment the number of the element may be plural, the term "a" should not be construed as limiting the number.

It will be appreciated by persons skilled in the art that the embodiments of the utility model described above and shown in the drawings are by way of example only and are not limiting. The objects of the present utility model have been fully and effectively achieved. The functional and structural principles of the present utility model have been shown and described in the examples and embodiments of the utility model may be modified or practiced without departing from the principles described.

Embodiments of the present utility model are further described below with reference to the accompanying drawings.

Referring to fig. 1-11, a shredder includes a feeding portion 1 for throwing branches and leaves, a crushing chamber 2 disposed at a drop point of the branches and leaves of the feeding portion 1, and a crushing assembly 3 for crushing the branches and leaves, wherein the crushing chamber 2 includes a receiving plate 21 disposed below; the receiving plate 21 is provided with a mounting hole 211; the crushing assembly 3 comprises a lower connecting shell 31 fixedly connected below the material receiving plate 21 and an upper connecting shell 32 fixedly connected above the material receiving plate 21 and penetrating out of the mounting hole 211; the upper connection housing 32 includes a first helical gear protective case 321 and a second helical gear protective case 322 which are in the same plane and are connected to each other; a conical shell 323 is arranged above the second helical gear protective shell 322; the first helical gear protective shell 321 and the second helical gear protective shell 322 are respectively provided with a first helical gear 33 and a second helical gear 34 which are mutually meshed; the second bevel gear 34 is provided with a transmission component 35, and the transmission component 35 extends out from the top end of the conical shell 323; the top end of the transmission assembly 35 is provided with a cutter disc 36, and the cutter disc 36 is arranged in the crushing chamber 2.

In actual use, the crushing chamber 2 of the utility model comprises the receiving plate 21, the receiving plate 21 is internally provided with the mounting hole 211, the crushing assembly 3 comprises the lower connecting shell 31 and the upper connecting shell 32, wherein the lower connecting shell 31 is arranged above the receiving plate 21, and the upper connecting shell 32 is arranged in the mounting hole 211, so that the combination of the crushing chamber 2 and the crushing assembly 3 is more compact, the reduction of the transmission distance is facilitated, and the transmission efficiency is improved; the first helical gear protection shell 321 and the second helical gear protection shell 322 of the upper connecting shell 32 are respectively provided with the first helical gear 33 and the second helical gear 34 which are meshed with each other, and as the first helical gear 33 and the second helical gear 34 are directly meshed for transmission, a belt is omitted, so that the structure is more compact, the size is smaller, parts are saved, the transmission distance is reduced, the transmission efficiency is improved, and when the facing larger resistance is high, the direct transmission of the gears is difficult to slip compared with the transmission of the belt pulley, so that the abrasion between the belt and the belt pulley is reduced, and the replacement frequency of the belt and the belt pulley is reduced; the second helical gear 34 is provided with the transmission component 35, and the transmission component 35 is provided with the cutterhead 36, so that the power output by the second helical gear 34 can be transmitted to the cutterhead 36 in a short distance with less loss, the speed loss of the cutterhead 36 is low, the cutterhead 36 can be efficiently crushed when the branches and leaves with harder textures are faced, the repeated abrasion between the cutterhead 36 and the branches and leaves is reduced, and the replacement frequency of the cutterhead 36 is reduced.

With continued reference to fig. 2 and 4, the feeding portion 1 includes a feeding port 11 and a feeding chamber 12 disposed below the feeding port 11; the material receiving plate 21 is parallel to the cutter 36 and is arranged below the feeding cavity 12 in an inclined state, so that branches and leaves falling from the feeding cavity 12 fall onto the material receiving plate 21 after being crushed by the cutter 36; the crushing chamber 2 further comprises a discharge opening 22 provided at the end of the receiving plate 21.

When the crushing machine is used, a user inputs branches and leaves to be crushed from the upper part of the feed inlet 11, so that the branches and leaves can fall from the feed cavity 12 to the cutterhead 36 by means of self gravity, fall onto the material receiving plate 21 after being crushed by the cutterhead 36, are naturally discharged from the discharge outlet 22 at the tail end of the material receiving plate 21 through the inclined material receiving plate 21, and further, the problems that the loss of the cutterhead 36 is increased and the replacement frequency is increased due to the fact that the branches and leaves are accumulated in the crushing chamber 2 and repeatedly rubbed with the cutterhead 36 are reduced.

With continued reference to fig. 4 and 5, the cutterhead 36 includes a tray body 361, and a plurality of scraping plates 362 are disposed on a lower end surface of the tray body 361; the upper end surface of the tray body 361 is provided with a plurality of mounting platforms 363; a blade 364 is detachably connected to each mounting stage 363; the tray 361 is further provided with a plurality of particle outlets 365, and the particle outlets 365 are disposed on one side of the blade 364 and the scraping plate 362.

When in use, the scraping sheet 362 can rotate along with the cutter disc 36 to push the crushed branches and leaves to the discharge port 22, so that the accumulation of the branches and leaves in the crushing chamber 2 is further reduced, and the repeated friction between the cutter disc 36 and the branches and leaves is reduced; the blade 364 is detachably connected to the mounting table 363, so that the blade 364 serving as a consumable material is more convenient to replace; the design of the plurality of particle outlets 365 facilitates improved crushing efficiency.

Referring to fig. 5, specifically, the tray body 361 is a whole circular plate, a plurality of crushed aggregates outlets 365 are cut out of the circular plate through a cutting process, and a mounting table 363 is pressed out of one side of the plurality of crushed aggregates outlets 365 through a punching process, so that the mounting table 363 is slightly lower than the tray body 361, a blade 364 is detachably connected to the mounting table 363 through a fastener, after the blade 364 is worn, a user can conveniently take down the blade 364 for replacement or grinding for reuse without replacing the whole cutter disc 36, and the replacement number of parts is reduced; the scraping sheet 362 is formed by bending down one side of the plurality of crushed aggregates outlets 365 through a bending process, so that the plate can be utilized more fully.

With continued reference to fig. 2, 3 and 4, the tray 361 is disposed at the top end of the conical shell 323, so that a space is formed between the tray 361 and the receiving plate 21; the scraping sheet 362 is arranged between the tray 361 and the receiving plate 21; the bracket 4 comprises two L-shaped rods 41; the upper ends of the two L-shaped rods 41 are fixedly connected with the material receiving plate 21, and the lower ends of the two L-shaped rods are fixedly connected with the material receiving plate through detachable reinforcing rods 42.

When the tray body 361 is used, the tray body 361 is lifted by the conical shell 323, so that a small amount of accumulated space for crushed branches and leaves is reserved between the tray body 361 and the material receiving plate 21, the crushed branches and leaves can not immediately rub against the lower end surface of the rotating tray body 361 after falling from the crushed material outlet 365, abrasion of the tray body 361 is reduced, and the crushed branches and leaves can be pushed out by the scraping sheet 362 before being accumulated in a large amount, and contact between the crushed branches and leaves and the tray body 361 is further prevented; in addition, the operation of the plurality of scraping blades 362 cooperates with the inclined receiving plate 21, so that the crushed branches and leaves can be rapidly discharged.

It should be noted that, by the bracket 4 composed of the two L-shaped rods 41 and the detachable reinforcing rods 42, the utility model obtains enough supporting force, is convenient to detach, reduces the volume during transportation and storage, and further, the feeding part 1 comprises the handrail 13; a bracket 4 is arranged below the crushing assembly 3; a roller 5 is provided on one side of the support 4 so that a user can push the roller 5 through a handrail 13 to move the present utility model to a proper position for use.

With continued reference to fig. 8 and 9, in some embodiments, the lower connection housing 31 includes a driving bearing cavity 311 disposed on one side and a first driven bearing cavity 312 disposed on the other side; a driving bearing 313 is arranged in the driving bearing cavity 311, and a first driven bearing 314 is arranged in the first driven bearing cavity 312; the lower end of the first helical gear 33 is disposed in the drive bearing 313; the cone 323 includes a second driven bearing cavity 3231 disposed below; a second driven bearing 3232 is provided in the second driven bearing chamber 3231; the driving assembly 35 includes a driving shaft 351, and both ends of the driving shaft 351 are respectively disposed in the first driven bearing 314 and the second driven bearing 3232.

During the use, the setting of connecting casing 31 and last connection casing 32 down makes the protection effect of first helical gear 33, transmission shaft 351 and setting up the second helical gear 34 on transmission shaft 351 better, avoids kibbling branch and leaf to lead to the fact wearing and tearing with above-mentioned pivoted part contact, and the design in bearing and bearing chamber makes the motion of above-mentioned structure more stable, and first helical gear 33 and second helical gear transmission are more stable, in reasonable resistance range, also be difficult for wearing and tearing that skids between the part.

With continued reference to fig. 3, 5, and 6, the transmission assembly 35 further includes a transmission disk 352; the transmission disc 352 comprises a connecting sheet 3521, a rectangular driving block 3522 arranged on the upper end surface of the connecting sheet 3521 and a driving groove 3523 penetrating through the driving block; the upper end of the transmission shaft 351 is provided with a driving end 3511; the driving end 3511 is matched with the driving groove 3523; the cutterhead 36 includes a rectangular drive aperture 366 disposed in the middle; rectangular drive block 3522 mates with rectangular drive aperture 366.

With further reference to fig. 3, specifically, the area of the connecting piece 3521 is larger than that of the rectangular driving block 3522, and the upper end face of the connecting piece 3521 contacts the lower end face of the cutterhead 36, so as to bear the weight of the cutterhead 36; in addition, the up end of blade disc 36 is equipped with elasticity preforming 353, elasticity preforming 353 is the bowl column structure that the mid portion upwards arches, run through in the arch portion of elasticity preforming 353 and be equipped with retaining member 354, retaining member 354 passes elasticity preforming 353 in proper order, drive disk 352, with transmission shaft 351 fixed connection, thereby make blade disc 36 and transmission subassembly 35 form stable and reliable connection, transmission efficiency is higher, be difficult for skidding, transmission loss is little, in addition, because elasticity preforming 353 has elasticity, during the use, blade disc 36 also possesses the mobility of deformation along with elasticity preforming 353, when meetting the great or harder material of texture, accessible deformation protection blade disc 36 to a certain extent slows down the wearing and tearing of blade disc 36.

With continued reference to fig. 10, in some embodiments, a bearing positioning plate 317 is further provided in the lower connection housing 31; the bearing positioning plate 317 includes a driving bearing stop 3171 disposed on one side and a driven bearing stop 3172 disposed on the other side; the driving bearing stop 3171 is sleeved outside the driving bearing 313, and the driven bearing stop 3172 is sleeved outside the first driven bearing 314.

In use, the bearing positioning plate 317 reinforces the driving bearing 313 and the first driven bearing 314, and is not easy to dislocate, thereby increasing the stability of the crushing assembly 3, and reducing the part wear caused by dislocation, thereby reducing the part replacement frequency.

With continued reference to fig. 8, 9 and 10, a motor 37 is disposed below the lower connecting housing 31, and an output shaft of the motor 37 is connected to the first bevel gear 33; the lower connection housing 31 further includes a heat dissipation housing 315 provided below and having heat dissipation holes; the heat dissipation housing 315 has a hollow structure, and an impeller 316 is arranged inside the heat dissipation housing; the impeller 316 is connected to an output shaft of the motor 37.

Referring to fig. 1 and 2, specifically, a power line is disposed at the rear of the pulverizing assembly 3, a control assembly connected to the power line is disposed at the rear of the pulverizing chamber 2, and a motor 37 is connected to the control assembly; when the cutter head 36 is used, a user connects the power line with an external power supply, starts and controls the motor 37 through the control assembly, and then the motor 37 transmits power to the cutter head 36 through the first bevel gear 33, the second bevel gear 34 and the transmission assembly 35, so that the cutter head 36 can crush branches and leaves.

In some embodiments, the utility model is not provided with a storage battery inside, and is externally connected with a power supply through a power line, so that the utility model has more compact structure, smaller volume and fewer inside vulnerable parts.

In addition, impeller 316 and have the heat dissipation casing 315 of louvre and make the radiating effect of motor 37 better, during the use, the output shaft of motor 37 can drive impeller 316 rotation for motor 37's heat is discharged from heat dissipation casing 315, is favorable to improving motor 37's life, reduces motor 37's change frequency.

With continued reference to fig. 7, in some embodiments, the drive assembly 35 includes a drive shaft 351; the drive shaft 351 includes a sleeved section 3512 and a threaded section 3513 located above the sleeved section 3512; the second bevel gear 34 is arranged outside the sleeved section 3512; the outside of the threaded section 3513 is fixedly connected with a clutch assembly 38; the second bevel gear 34 drives the clutch assembly 38 and the drive shaft 351 by friction; when the resistance of the clutch assembly 38 and the transmission shaft 351 is greater than the friction, the second helical gear 34 slips with the clutch assembly 38.

During use, the branches and leaves to be crushed are hard, or sundries such as stones are mixed into the branches and leaves, so that resistance encountered by the cutter disc 36 is increased suddenly, the hard sundries are clamped in the crushing chamber 2, so that the cutter disc 36 cannot rotate, or parts such as the cutter disc 36, the first helical gear 33, the second helical gear 34 and the transmission assembly 35 are forced to rotate in a crushing mode, damage to the parts of the shredder occurs, and a clutch function is provided between the second helical gear 34 and the clutch assembly 38 through the design of the clutch assembly 38, so that when the large resistance is encountered, the second helical gear 34 and the clutch assembly 38 slip, the internal parts of the crushing assembly 3 are protected, the crushing probability is reduced, and the replacement frequency of each part is reduced.

With continued reference to fig. 11, further, the clutch assembly 38 includes a threaded plate 381, an elastic plate 382, a first friction plate 383, and a second friction plate 384, which are disposed in sequence from top to bottom; the threaded disc 381 mates with the threaded segment 3513; the elastic disk 382 is compressed by the screw disk 381 such that the screw disk 381 is closely fitted with the first friction disk 383, and the first friction disk 383 is closely fitted with the second friction disk 384.

In use, the design of the screw disc 381 enables the clutch assembly 38 to be tightly connected with the transmission shaft 351, and the deformation amount of the elastic disc 382 can be adjusted by adjusting the screw disc 381 in the screw thread section 3513, so as to adjust the critical slip friction force of the first friction disc 383 and the second friction disc 384; in addition, the first friction plate 383 and the second friction plate 384 have two different coefficients of friction to form a two-way slip structure, further preventing collapse of the internal components of the shredder assembly 3 when a large resistance is encountered.

The foregoing is illustrative of the preferred embodiments of the present utility model and is not to be construed as limiting the claims. The present utility model is not limited to the above embodiments, and the specific structure thereof is allowed to vary. All changes which come within the meaning and range of equivalency of the claims are to be embraced within their scope.

Claims (10)

1. The utility model provides a garrulous branch machine, is including being used for throwing in feeding portion (1) of branch leaf, set up in smash room (2) of feeding portion (1) branch leaf drop point and be used for smashing crushing subassembly (3) of branch leaf, its characterized in that: the crushing chamber (2) comprises a receiving plate (21) arranged below; a mounting hole (211) is formed in the receiving plate (21); the crushing assembly (3) comprises a lower connecting shell (31) fixedly connected below the receiving plate (21), and an upper connecting shell (32) fixedly connected above the receiving plate (21) and penetrating out of the mounting hole (211); the upper connecting shell (32) comprises a first bevel gear protection shell (321) and a second bevel gear protection shell (322) which are positioned on the same plane and are connected with each other; a conical shell (323) is arranged above the second helical gear protective shell (322); the first helical gear protection shell (321) and the second helical gear protection shell (322) are respectively provided with a first helical gear (33) and a second helical gear (34) which are meshed with each other; a transmission assembly (35) is arranged on the second bevel gear (34), and the transmission assembly (35) extends out from the top end of the conical shell (323); the top end of the transmission assembly (35) is provided with a cutter disc (36), and the cutter disc (36) is arranged in the crushing chamber (2).

2. The shredder according to claim 1, wherein: the feeding part (1) comprises a feeding hole (11) and a feeding cavity (12) arranged below the feeding hole (11); the material receiving plate (21) is parallel to the cutter head (36) and is arranged below the feeding cavity (12) in an inclined state, so that branches and leaves falling from the feeding cavity (12) fall onto the material receiving plate (21) after being crushed by the cutter head (36); the crushing chamber (2) further comprises a discharge hole (22) arranged at the tail end of the receiving plate (21).

3. The shredder according to claim 2, wherein: the cutter head (36) comprises a cutter body (361), and a plurality of scraping sheets (362) are arranged on the lower end face of the cutter body (361); a plurality of mounting tables (363) are arranged on the upper end face of the tray body (361); a blade (364) is detachably connected to each mounting table (363); the tray body (361) is further provided with a plurality of crushed aggregates outlets (365), and the crushed aggregates outlets (365) are arranged on one side of the blade (364) and one side of the scraping sheet (362).

4. A shredder according to claim 3, wherein: the tray body (361) is arranged at the top end of the conical shell (323) so as to generate a space between the tray body (361) and the receiving plate (21); the scraping sheet (362) is arranged between the tray body (361) and the receiving plate (21); a bracket (4) and a roller (5) are arranged below the crushing chamber (2); the bracket (4) comprises two L-shaped rods (41); the upper ends of the two L-shaped rods (41) are fixedly connected with the material receiving plate (21), and the lower ends of the L-shaped rods are fixedly connected with the material receiving plate through detachable reinforcing rods (42).

5. The shredder according to claim 1, wherein: the lower connecting shell (31) comprises a driving bearing cavity (311) arranged on one side and a first driven bearing cavity (312) arranged on the other side; a driving bearing (313) is arranged in the driving bearing cavity (311), and a first driven bearing (314) is arranged in the first driven bearing cavity (312); the lower end of the first helical gear (33) is arranged in the driving bearing (313); the cone housing (323) comprises a second driven bearing cavity (3231) arranged below; a second driven bearing (3232) is arranged in the second driven bearing cavity (3231); the transmission assembly (35) comprises a transmission shaft (351), and two ends of the transmission shaft (351) are respectively arranged in the first driven bearing (314) and the second driven bearing (3232).

6. The shredder according to claim 5, wherein: the drive assembly (35) further comprises a drive disc (352); the transmission disc (352) comprises a connecting sheet (3521), a rectangular driving block (3522) arranged on the upper end surface of the connecting sheet (3521) and a driving groove (3523) penetrating through the rectangular driving block; the upper end of the transmission shaft (351) is provided with a driving end (3511); the driving end (3511) is matched with the driving groove (3523); the cutterhead (36) comprises a rectangular driving hole (366) arranged in the middle; the rectangular drive block (3522) mates with the rectangular drive aperture (366).

7. The shredder according to claim 5, wherein: a bearing positioning plate (317) is further arranged in the lower connecting shell (31); the bearing positioning plate (317) comprises a driving bearing limit ring (3171) arranged on one side and a driven bearing limit ring (3172) arranged on the other side; the driving bearing limit ring (3171) is sleeved outside the driving bearing (313), and the driven bearing limit ring (3172) is sleeved outside the first driven bearing (314).

8. The shredder according to claim 1, wherein: a motor (37) is arranged below the lower connecting shell (31), and an output shaft of the motor (37) is connected with the first bevel gear (33); the lower connection housing (31) further comprises a heat dissipation housing (315) arranged below and provided with heat dissipation holes; the heat dissipation shell (315) is of a hollow structure, and an impeller (316) is arranged in the heat dissipation shell; the impeller (316) is connected to an output shaft of the motor (37).

9. The shredder according to claim 1, wherein: the transmission assembly (35) comprises a transmission shaft (351); the transmission shaft (351) comprises a sleeved section (3512) and a threaded section (3513) positioned above the sleeved section (3512); the second bevel gear (34) is arranged outside the sleeved section (3512); the outside of the thread section (3513) is fixedly connected with a clutch assembly (38); the second bevel gear (34) drives the clutch assembly (38) and the transmission shaft (351) through friction force; when the resistance of the clutch assembly (38) and the transmission shaft (351) is larger than the friction force, the second helical gear (34) and the clutch assembly (38) slip.

10. The shredder according to claim 9, wherein: the clutch assembly (38) comprises a threaded disc (381), an elastic disc (382), a first friction disc (383) and a second friction disc (384) which are sequentially arranged from top to bottom; -said threaded disc (381) cooperates with said threaded segment (3513); the elastic disk (382) is compressed by the screw disk (381) so that the screw disk (381) is closely fitted with the first friction disk (383), and the first friction disk (383) is closely fitted with the second friction disk (384).