A high efficiency brush chipper

Abstract

The application discloses a high-efficiency branch crusher, which comprises a machine body, a feeding pipe, a motor, a cutter assembly, a wrapping cover in the shape of a disc, a central shaft fixed at the center of the wrapping cover, a driving blade in the shape of S and rotationally connected to the central shaft, a driven gear rotationally connected to the central shaft and fixedly connected with the driving blade, a discharging port opened in the two sides of the driven gear, a driving gear arranged on the output shaft of the motor, a driven blade rotationally connected to the central shaft at one end, a baffle arranged on the upper side of the driven blade, a positioning boss arranged on the inner wall of the wrapping cover, a reset member arranged on the wrapping cover, the feeding pipe extending downwardly and obliquely, the feeding pipe comprising a feeding part and an oblique part, a convex cover communicated with the feeding pipe and arranged on the upper surface of the wrapping cover, an elastic discharging plate arranged at the lower side of the wrapping cover and connected with the wrapping cover at one end and used for abutting against the lower end of the branch, and the end of the elastic discharging plate away from the wrapping cover being obliquely downward.

Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of branch crusher design, and particularly relates to a high-efficiency branch crusher. BACKGROUND

[0002] The branch crusher is mainly used for cutting and crushing tree branches and trunks, and can quickly cut the tree branches and trunks through the high-speed rotating blades in the branch crusher.

[0003] At present, a branch crusher for crushing tree branches and shrubs is disclosed in Chinese Patent No. CN217594805U and published on October 18, 2022, which comprises a feeding port, a discharge port, two supporting plates, a crushing device, two wear-resistant rubber tires, a power supply, a gasoline engine, a gasoline tank, a rubber shock pad, a front protective fence, a rear protective fence and the like. The feeding port is fixedly connected with the crushing device, and a compression roller is arranged inside the communication part between the feeding port and the crushing device. The compression roller is fixedly connected with a third transmission shaft, and the third transmission shaft is fixedly connected with a second belt pulley at one end. The second belt pulley is drivingly connected with a small double-track belt pulley through a transmission belt. The upper surface of the crushing device is fixedly connected with the discharge port, and the discharge port is fixedly connected with the crushing device through eight locking screws. Each side of the crushing device is fixedly connected with a supporting plate, and the two supporting plates are fixedly connected with the upper surface of a bottom fixed plate. Each side of the bottom fixed plate is connected with a wear-resistant rubber tire, and the front end of the bottom fixed plate is fixedly connected with the front protective fence. The rear end of the bottom fixed plate is fixedly connected with the rear protective fence. The upper part of the bottom fixed plate is further fixedly connected with the power supply and the gasoline engine, and the power supply is connected with the gasoline engine through a wire. The lower end of the bottom fixed plate is fixedly connected with the rubber shock pad, and the upper end of the gasoline engine is fixedly connected with the gasoline tank. The top of the gasoline tank is provided with a tank cover.

[0004] When the branches enter the feeding port, the compression roller is abutted against the branches to drive the branches to move, so as to realize the feeding of the branches. However, this feeding mode has a complex structure, and the gasoline engine needs to drive the compression roller to rotate through a belt transmission, thereby increasing the burden of the gasoline engine. SUMMARY

[0005] The application aims to provide a high-efficiency branch crusher, which is beneficial to efficiently and conveniently completing the feeding work of the branches.

[0006] The technical purposes are achieved by the following technical solutions: a high-efficiency branch crusher, comprising a machine body, a feeding pipe located at the upper end of the machine body and used for feeding branches, a motor arranged at the lower end of the machine body, a cutter assembly arranged in the machine body and located at the lower end of the feeding pipe, the cutter assembly comprising a wrapping cover in the shape of a disc, a central shaft fixed at the center of the wrapping cover and extending in the vertical direction, a driving blade in the shape of S rotatably connected to the central shaft, a driven gear rotatably connected to the central shaft and fixedly connected with the driving blade, a discharging opening arranged in the two sides of the driven gear and corresponding to the two ends of the driving blade respectively, a driving gear arranged on the output shaft of the motor and engaged with the driven gear, one end of a driven blade rotatably connected to the central shaft and used for cutting the branches after being staggered with the driving blade, a baffle arranged on the upper side of the driven blade and used for pushing the branches, a positioning boss arranged on the inner wall of the wrapping cover and used for abutting against the side of the driven blade after swinging, a reset member arranged on the wrapping cover and used for driving the driven blade to rotate reversely and reset, the feeding pipe extends downwardly and obliquely, the feeding pipe comprises a feeding part used for feeding the branches, an oblique part communicated with the feeding part and used for guiding the branches to incline downwardly under the cutting force of the driving blade, a convex cover arranged on the upper surface of the wrapping cover and communicated with the feeding pipe and used for guiding the baffle to move therein, the lower side of the wrapping cover is provided with an elastic discharging plate having one end connected with the wrapping cover and used for abutting against the lower end of the branches, and the other end of the elastic discharging plate inclines downwardly.

[0007] Further, the reset member comprises a swinging arm arranged at one end of the driven blade close to the central shaft, a connecting lug arranged at the other end of the swinging arm away from the driven blade, a long slot arranged on the wrapping cover and used for guiding the connecting lug to pass out to the upper side of the wrapping cover, and a reset spring having one end connected with the connecting lug and the other end connected with the upper side of the wrapping cover.

[0008] Further, a dust cover is arranged on the upper surface of the wrapping cover and wrapped on the upper side of the long slot.

[0009] In conclusion, the present application has the following advantages:

[0010] 1. The operator will pass the branches along the feeding part of the feeding pipe, and then the branches can be in contact with the elastic feeding plate after passing through the feeding opening on the driving gear, and at this time the branches are in contact with the baffle of the driven blade; then start the motor, the motor drives the driven gear to rotate through the driving gear, the driven gear can drive the driving blade on it to rotate, the driving blade rotates first and then contacts the branches, at this time the driving blade and the driven blade can clamp the branches, with the continuous rotation of the driving blade, the driving blade can drive the driven blade to rotate; At this time, due to the downward inclination of the feeding pipe, the clamped branches can swing around the lower end of the feeding pipe as the fulcrum, so that the upper end of the branches tilts downward and moves a distance towards the feeding pipe; until the driven blade contacts the positioning protrusion, the upper end of the branches can swing downward into the inclined part, and the position of the driven blade is locked by the positioning protrusion, at this time with the continuous rotation of the driving blade, the shearing force formed between the driving blade and the driven blade after interlacing can complete the shearing of the branches;

[0011] After shearing is completed, the driving blade passes the driven blade, at this time the return member can drive the driven blade to rotate reversely, so as to push the inclined branches by the baffle, since the feeding pipe is inclined downward, when the baffle pushes the inclined branches, the upper end of the branches can swing upward around the lower end of the feeding pipe as the fulcrum, so that the branches swing upward in the feeding pipe and return to the feeding part; When the upper end of the branches swings upward around the fulcrum, the lower end of the branches at the baffle swings downward around the fulcrum, so that the lower end of the branches passes the feeding opening of the driven gear again and contacts the elastic feeding plate; and with the driving blade rotating again and contacting the branches, the driving blade can complete the shearing of the branches through the driven blade again;

[0012] During the whole process, the branches are continuously fed by the clamping action between the driving blade and the driven blade and the height difference generated by the swinging of the branches, so that the feeding of the branches can be efficiently and conveniently completed;

[0013] 2. When the driving blade drives the driven blade to rotate, the driven blade can drive the return spring to stretch through the connecting lug, so that the return spring produces elastic deformation; when the driving blade completes shearing and passes the driven blade, the return spring contracts to drive the driven blade to rotate reversely under the elastic restoring force of the return spring, so as to drive the baffle to push the branches; 3. The dust cover can be used to wrap the long strip opening, which is conducive to reducing the sundries entering the long strip opening. BRIEF DESCRIPTION OF DRAWINGS

[0014] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed in the embodiment description will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without any creative effort.

[0015] Figure 1 is a structural schematic diagram of the present application;

[0016] Figure 2 is a schematic diagram of the connection relationship among the feeding pipe, the motor and the wrapping cover in the present application;

[0017] Figure 3 is a structural schematic diagram of the present application, mainly used for embodying the structure of the lower side of the wrapping cover;

[0018] Figure 4 is a schematic diagram of the connection relationship among the feeding pipe, the motor and the wrapping cover in the present application, mainly used for embodying the structure of the lower side of the wrapping cover;

[0019] Figure 5 is a partial exploded view of the connection relationship among the feeding pipe, the motor, the cutter assembly and the driven blade in the present application, at this time the driven blade reversely rotates to the initial position;

[0020] Figure 6 is a partial exploded view of the connection relationship among the feeding pipe, the cutter assembly and the driven blade in the present application, at this time the driven blade rotates under the driving of the driving blade and the return spring is stretched;

[0021] Figure 7 is a partial enlarged view of the connection relationship between the wrapping cover and the positioning boss in the present application;

[0022] Figure 8 is a simplified plan view of the present application among the branches, the driving blade, the driven blade, the baffle and the elastic blanking plate, wherein the positions of the branches, the driven blade and the baffle after movement are indicated by dotted lines.

[0023] In the figure, 1 is a machine body; 2 is a feeding pipe; 21 is a feeding part; 22 is an inclined part; 3 is a motor; 4 is a cutter assembly; 41 is a wrapping cover; 411 is a positioning boss; 412 is a convex cover; 413 is a dust cover; 42 is a central shaft; 43 is a driving blade; 44 is a driven gear; 45 is a blanking port; 46 is a driving gear; 5 is a driven blade; 51 is a baffle; 6 is a return member; 61 is a swing arm; 62 is a connecting lug; 63 is a long strip port; 64 is a return spring; and 7 is an elastic blanking plate. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments will be clearly and completely described below. Apparently, the described embodiments are only part of the embodiments of the present application, but not all the embodiments. Based on the embodiments of the present application, all the other embodiments obtained by a person of ordinary skill in the art without creative work fall within the protection scope of the present application.

[0025] A high-efficiency branch crusher, referring to Figure 1 The high-efficiency branch crusher comprises a machine body 1, a feeding pipe 2, a motor 3 and a cutter assembly 4, wherein the feeding pipe 2 is fixed on the upper end of the machine body 1 by bolts, and extends downwardly in an inclined manner, and the feeding pipe 2 comprises a feeding part 21 and an inclined part 22, the feeding part 21 is used for the branches to enter, and the inclined part 22 is communicated with the feeding part 21 and is used for the upper end of the branches to incline downwardly; wherein the motor 3 is fixed on the side of the lower end of the machine body 1 by bolts.

[0026] Referring to Figure 2 , Figure 4 , Figure 5 , Figure 6 The cutter assembly 4 is arranged in the machine body 1 and located at the lower end of the feeding pipe 2, and comprises a covering cover 41, a central shaft 42, a driving blade 43, a driven gear 44, a discharging opening 45 and a driving gear 46, wherein the covering cover 41 is fixed on the machine body 1 by bolts and located at the lower end of the feeding pipe 2, and the covering cover 41 is in a disc type, the central shaft 42 is fixed on the center of the covering cover 41 by bolts and extends in a vertical direction, the driving blade 43 is in an S type, and the middle part of the driving blade 43 is rotatably connected to the central shaft 42 by a bearing, wherein the middle part of the driven gear 44 is also rotatably connected to the central shaft 42 by a bearing, the driving blade 43 is fixed on the upper surface of the driven gear 44 by bolts, the discharging opening 45 is arranged on both sides of the driven gear 44 and corresponds to the two ends of the driving blade 43 respectively, and the driving gear 46 is connected to the output shaft of the motor 3 by a key, and the driving gear 46 is engaged with the driven gear 44, so that the motor 3 can drive the driving blade 43 to rotate through the driven gear 44 and the driving gear 46.

[0027] Referring to Figure 6 , Figure 7The center shaft 42 is further provided with a driven blade 5, one end of which is rotatably connected to the center shaft 42 through a bearing, and the driven blade 5 can be used to cut the branches after being staggered with the driving blade 43. The upper side of the driven blade 5 is fixed with a baffle 51 for pushing the branches through bolts, and the inner wall of the wrapping cover 41 is integrally provided with a positioning boss 411, which can be used to abut against the side edge of the driven blade 5 after swinging, so as to position the driven blade 5 after swinging through the positioning boss 411. The upper surface of the wrapping cover 41 is fixed with a raised cover 412 which is communicated with the feeding pipe 2 and allows the baffle 51 to move therein through bolts, and the lower side of the wrapping cover 41 is provided with an elastic material drop plate 7 (see Figure 3 ) which is fixedly connected to the wrapping cover 41 through bolts at one end and abuts against the lower end of the branches. The elastic material drop plate 7 is made of elastic plastic material, and the end of the elastic material drop plate 7 away from the wrapping cover 41 is inclined downward.

[0028] Referring to Figure 6 , the wrapping cover 41 is further provided with a reset member 6 for driving the driven blade 5 to rotate reversely and reset. The reset member 6 comprises a swing arm 61, a connecting lug 62, a long slot 63 and a reset spring 64. The swing arm 61 is integrally arranged at one end of the driven blade 5 close to the center shaft 42, the connecting lug 62 is fixedly arranged at the end of the swing arm 61 away from the driven blade 5 through bolts, the long slot 63 is arranged on the wrapping cover 41 and allows the connecting lug 62 to pass out to the upper side of the wrapping cover 41, and the dust cover 413 is integrally arranged on the upper surface of the wrapping cover 41 and wrapped on the upper side of the long slot 63. One end of the reset spring 64 is connected to the connecting lug 62 and the other end is connected to the upper side of the wrapping cover 41.

[0029] Principle: The operator passes the branches along the feeding part 21 of the feeding pipe 2, and then the branches can be in contact with the elastic feeding plate 7 after passing through the material falling port 45 on the driving gear 46, and at this time the branches are in contact with the baffle 51 of the driven blade 5; then start the motor 3, which drives the driven gear 44 through the driving gear 46 to rotate, which in turn drives the driving blade 43 on it to rotate, which first contacts the branches, and at this time the driving blade 43 and the driven blade 5 can clamp the branches, and as the driving blade 43 continues to rotate, the driving blade 43 can drive the driven blade 5 to rotate, and the driven blade 5 drives the return spring 64 to stretch through the connecting lug 62, so that the return spring 64 is elastically deformed; at this time, because the feeding pipe 2 is inclined downward, the clamped branches can swing around the lower end of the feeding pipe 2 as a fulcrum, so that the upper end of the branches is inclined downward and moves a distance towards the feeding pipe 2; until the driven blade 5 contacts the positioning protrusion, the upper end of the branches can swing downward into the inclined part 22, and the position of the driven blade 5 is locked by the positioning protrusion, at this time as the driving blade 43 continues to rotate, the shearing force formed between the driving blade 43 and the driven blade 5 after interlacing can complete the shearing of the branches, and the sheared branches fall out along the inclined elastic feeding plate 7.

[0030] After shearing is completed, the driving blade 43 passes the driven blade 5, at this time the return spring 64 contracts to drive the driven blade 5 to rotate reversely under the elastic restoring force of the return spring 64, so as to push the inclined branches by the baffle 51, and because the feeding pipe 2 is inclined downward, when the baffle 51 pushes the inclined branches, the upper end of the branches can swing upward around the lower end of the feeding pipe 2 as a fulcrum, so that the branches swing upward in the feeding pipe 2 and return to the feeding part 21; when the upper end of the branches swings upward around the fulcrum, the lower end of the branches at the baffle 51 swings downward around the fulcrum, so that the lower end of the branches passes the material falling port 45 of the driven gear 44 again and contacts the elastic feeding plate 7; and as the driving blade 43 rotates again and contacts the branches, the driving blade 43 can again shear the branches through the driven blade 5.

[0031] During the whole process, the branches are continuously fed by the clamping action between the driving blade 43 and the driven blade 5 and the height difference generated by the swinging of the branches, so that the feeding of the branches can be efficiently and conveniently completed.

Claims

1. A high efficiency branch chipper comprising a machine body (1), a feed tube (2) located at the upper end of the machine body (1) for the entry of branches, a motor (3) located at the lower end of the machine body (1), a cutter assembly (4) located within the machine body (1) at the lower end of the feed tube (2), characterised in that: The cutter assembly (4) comprises a disc-shaped wrapping cover (41), a central shaft (42) fixed at the center of the wrapping cover (41) and extending in the vertical direction, an S-shaped driving blade (43) rotationally connected to the central shaft (42), a driven gear (44) rotationally connected to the central shaft (42) and fixedly connected with the driving blade (43), a blanking port (45) opened in the two sides of the driven gear (44) and corresponding to the two ends of the driving blade (43) respectively, a driving gear (46) provided on the output shaft of the motor (3) and engaged with the driven gear (44), and a driven blade (5) rotationally connected at one end to the central shaft (42) and used for staggered cutting of branches after the driving blade (43), wherein the upper side of the driven blade (5) is provided with a baffle (51) used for pushing the branches, the inner wall of the wrapping cover (41) is provided with a positioning boss (411) used for abutting against the side of the driven blade (5) after swinging, the wrapping cover (41) is further provided with a reset member (6) used for driving the driven blade (5) to rotate reversely and reset, the feeding pipe (2) extends downwardly and obliquely, and the feeding pipe (2) comprises a feeding part (21) for branches to enter, an oblique part (22) communicated with the feeding part (21) and used for the branches to incline downwardly under the cutting force of the driving blade (43), and the upper surface of the wrapping cover (41) is provided with a raised cover (412) communicated with the feeding pipe (2) and used for the baffle (51) to move therein, and the lower side of the wrapping cover (41) is provided with an elastic blanking plate (7) connected at one end with the wrapping cover (41) and used for the lower end of the branches to abut against, and the end of the elastic blanking plate (7) away from the wrapping cover (41) inclines downwardly.

2. A high efficiency brush chipper as claimed in claim 1 wherein: The reset member (6) comprises a swinging arm (61) provided at one end of the driven blade (5) close to the central shaft (42), a connecting lug (62) provided at the end of the swinging arm (61) away from the driven blade (5), a long slot (63) opened on the wrapping cover (41) and used for the connecting lug (62) to pass out to the upper side of the wrapping cover (41), and a reset spring (64) connected at one end with the connecting lug (62) and at the other end with the upper side of the wrapping cover (41).

3. A high efficiency brush chipper as claimed in claim 2 wherein: The dust cover (413) is wrapped on the upper surface of the wrapping cover (41) and covers the long slot (63).

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