CN214776795U - Branch material bundling machine and hydraulic drive system thereof - Google Patents

Abstract

The utility model discloses a branch material bundling machine and a hydraulic drive system thereof, wherein the branch material bundling machine comprises a feeding device, a compressing device and a bundling device; the feeding device comprises a front shovel tooth, a front shovel hydraulic cylinder, a roller, a first fixed side plate and a front shovel frame; the compression device comprises a conveyor belt, a second fixed side plate and a material pressing bin; the bundling device comprises an upper bundling arm, a toothed disc rack, a rack shaft, a driving gear, a lower bundling arm, a tool apron, a knotting finger seat, an iron wire disc, a first traction motor, a second traction motor and a bracket; one side of the traction shell is provided with a third motor, and a motor shaft of the third motor is provided with a driving gear matched with the external teeth of the toothed disc rack. The utility model is used for collect the compression to the tiny branch material of pruning down or coming off and beat the bundle, improve and beat bundle efficiency, reduce manpower resources's consumption, the utility model discloses simple structure, convenient to use, degree of automation is high, has improved operational safety and has beaten bundle efficiency, the human input that significantly reduces practices thrift the recruitment cost.

Description

Branch material bundling machine and hydraulic drive system thereof

Technical Field

The utility model relates to a forestry equipment technical field, more specifically the utility model relates to a branch material bundling machine and hydraulic drive system thereof that says so.

Background

At present, the felling residues are important components in forest resources, and the collection and transportation of the felling residues are important links of production operation and account for the main part of the operation cost. The branch materials are required to be counted with the largest difficulty in centralized transportation, have the characteristics of being scattered, bent and disordered, and have the problems of difficulty in loading and unloading, small effective loading capacity, time and labor waste, high transportation cost and the like, and the problems are bottlenecks which limit the felling residues not to be widely produced and utilized. The branch material can be transported in a high volume and the production cost can be reduced only by compressing and bundling the branch material, thereby increasing the compactness and standardizing the shape and the size of the branch material. Therefore, the research and development of branch bundling machine equipment have important significance for the utilization of forest resources in China, the implementation of natural forest protection engineering, the solution of the problem of collecting and transporting felling residues, the promotion of biomass energy development and the like.

Therefore, how to provide a branch material bundling machine and a hydraulic driving system thereof is a problem which needs to be solved urgently by the technical personnel in the field.

SUMMERY OF THE UTILITY MODEL

In view of the above, the present invention provides a branch material bundling machine and a hydraulic driving system thereof, so as to solve at least one of the problems mentioned in the background art.

In order to realize the technical scheme, the utility model discloses a following technical scheme:

a branch material bundling machine comprises a feeding device, a compressing device and a bundling device;

the feeding device comprises a front shovel tooth, a front shovel hydraulic cylinder, a roller, a first fixed side plate and a front shovel frame; two ends of the front shovel frame are respectively connected with the two first fixed side plates through revolute pairs, and the front shovel teeth are arranged in the middle of the front shovel frame; the front shovel hydraulic cylinder is hinged to the first fixed side plate, and the end part of a front shovel hydraulic rod of the front shovel hydraulic cylinder is hinged to the front shovel frame; two rollers are arranged up and down and are rotatably installed at one end, close to the front shovel frame, of the first fixed side plate;

the compression device comprises a conveyor belt, the feeding end of the conveyor belt is positioned between the two first fixed side plates, and the two sides of the conveyor belt are provided with second fixed side plates; a material pressing bin is arranged at the discharge end of the conveyor belt, and a feed inlet of the material pressing bin is connected with the discharge end of the conveyor belt;

the bundling device comprises an upper bundling arm, a toothed disc rack, a rack shaft, a driving gear, a lower bundling arm, a tool apron, a knotting finger seat, an iron wire disc, a first traction motor, a second traction motor and a support;

the connecting ends of the upper bundling arm and the lower bundling arm are respectively hinged with the toothed disc frame and are respectively driven by an upper bundling arm hydraulic cylinder and a lower bundling arm hydraulic cylinder; the knotting finger seat is arranged at the operation end of the lower bundling arm, and the cutter seat is arranged at the operation end of the upper bundling arm; the iron wire disc is rotatably arranged on the upper bundling arm through an iron wire disc shaft; one end of the rack shaft is rotatably connected with the toothed disc rack, and the other end of the rack shaft extends into the traction shell of the bracket; motor shafts of the first traction motor and the second traction motor extend into the traction shell and are provided with traction gears meshed with the rack shaft;

and a third motor is arranged on one side of the traction shell, and a driving gear matched with the external teeth of the toothed disc rack is arranged on a motor shaft of the third motor.

Preferably, in the branch material bundling machine, the roller is rotatably mounted on the first fixed side plate through a bearing, wherein the bearing of the roller located above is mounted on a sliding block, the sliding block is slidably mounted in a sliding groove formed in the first fixed side plate, and a first spring is arranged between the sliding block and the sliding groove.

Preferably, in a branch material bundling machine of above-mentioned, one side of first fixed curb plate is provided with first motor and first pinch roller, first pinch roller rotates to be installed first fixed curb plate one side, first motor with all install the band pulley in the pivot of cylinder, first motor with the cylinder passes through belt transmission and is connected, and the belt bypasses first pinch roller and carries out the tensioning.

Preferably, in the branch material bundling machine, a material pushing hydraulic cylinder and a compression hydraulic cylinder are arranged in the material pressing bin, the material pushing hydraulic cylinder is arranged on one side close to the conveyor belt, a material outlet is arranged on one side opposite to the material pushing hydraulic cylinder, and a material outlet baffle is arranged on the material outlet in a sliding manner; a material pushing plate is arranged on a hydraulic rod of the material pushing hydraulic cylinder, and a material pressing plate is arranged on a hydraulic rod of the compression hydraulic cylinder; the discharging baffle is provided with a boss matched with the pressure plate, and the pressure plate can drive the boss to move upwards.

Preferably, in the branch material bundling machine, the pushing hydraulic cylinder is provided with a travel switch; a second tensioning wheel is arranged at the bottom of the conveying belt, a wheel shaft of the second tensioning wheel is rotatably connected with a support rod, the support rod is slidably arranged in a sliding hole formed in the material pressing bin, and a second spring is arranged between the support rod and the sliding hole; and the driving roller of the conveying belt is in transmission connection with a second motor.

Preferably, in the branch material bundling machine, one end of the upper bundling arm hydraulic cylinder is hinged to the upper bundling arm, and the other end of the upper bundling arm hydraulic cylinder is hinged to the toothed disc rack; one end of the lower bundling arm hydraulic cylinder is hinged with the lower bundling arm, and the other end of the lower bundling arm hydraulic cylinder is hinged with the toothed disc rack; the rack shaft is rotatably connected to the toothed disc rack via a main bearing.

Preferably, in the branch material bundling machine, the knotting finger seat is provided with a movable knotting finger, a knotting finger hydraulic cylinder and a knotting static hand, the knotting static hand is provided with a fixing hole, the movable knotting finger is arranged on one side of the knotting static hand, one end of the movable knotting finger is hinged with the knotting finger seat, the other end of the movable knotting finger is hinged with one end of the knotting finger hydraulic cylinder, and the other end of the knotting finger hydraulic cylinder is hinged with the lower bundling arm;

set up the cutter pneumatic cylinder on the blade holder, the cutter is installed to the output of cutter pneumatic cylinder, one side of cutter is provided with iron wire bulletproof ring, one side of iron wire bulletproof ring is provided with iron wire pulley and iron wire locating hole.

Preferably, in the branch material bundling machine, the support is fixedly connected with the pressing bin; and a positioning gear meshed with the rack shaft is rotatably arranged in the traction shell through a pin shaft.

Preferably, in the branch material bundling machine, the branch material bundling machine further comprises a hydraulic station, wherein the front shovel hydraulic cylinder, the upper bundling arm hydraulic cylinder, the lower bundling arm hydraulic cylinder, the pushing hydraulic cylinder, the compression hydraulic cylinder, the knotting finger hydraulic cylinder and the cutter hydraulic cylinder are respectively communicated with the hydraulic station through pipelines and controlled by the hydraulic station.

A hydraulic driving system of a branch material bundling machine comprises an oil tank, wherein the oil tank is connected with an inlet of a first manual reversing valve through a gear pump, and an outlet of the first manual reversing valve is respectively connected with a one-way valve and a pressure gauge; an oil absorption filter is arranged between the gear pump and the oil tank; the check valve is respectively connected with the electromagnetic overflow valve, the second manual reversing valve, the first electromagnetic reversing valve, the second electromagnetic reversing valve, the third electromagnetic reversing valve, the fourth electromagnetic reversing valve and the fifth electromagnetic reversing valve through an oil inlet pipeline; the second manual reversing valve is connected with the front shovel hydraulic cylinder through a hydraulic lock; the first electromagnetic directional valve is communicated with the compression hydraulic cylinder through a first double one-way throttle valve, and a pressure relay is arranged on a rodless cavity of the compression hydraulic cylinder; the second electromagnetic directional valve is communicated with the material pushing hydraulic cylinder through a second double-check throttle valve; the third electromagnetic directional valve is communicated with the upper bundling arm hydraulic cylinder and the lower bundling arm hydraulic cylinder through a third double one-way throttle valve; the fourth electromagnetic directional valve is communicated with the cutter hydraulic cylinder through a fourth double one-way throttle valve; the fifth electromagnetic directional valve is communicated with the knotting finger hydraulic cylinder through a fifth double one-way throttle valve; and oil return ports of the electromagnetic overflow valve, the second manual reversing valve, the first electromagnetic reversing valve, the second electromagnetic reversing valve, the third electromagnetic reversing valve, the fourth electromagnetic reversing valve and the fifth electromagnetic reversing valve are communicated with the oil tank through oil return pipelines.

According to the technical scheme, compare with prior art, the utility model discloses a branch material bundling machine and hydraulic drive system for collect the compression to the tiny branch material of pruning down or coming off and beat a bundle, thereby replace the manual work to beat a bundle, improve and beat a bundle efficiency, reduce the consumption of manpower resources, the utility model discloses simple structure, convenient to use, degree of automation is high, has improved operational safety and has beaten bundle efficiency, and the human input that significantly reduces practices thrift the recruitment cost.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.

FIG. 1 is a schematic structural view of a branch material bundling machine according to the present invention;

FIG. 2 is a perspective view of a feeding device;

FIG. 3 is a right side view of the feeding device;

FIG. 4 is a left side view of the feeding device;

FIG. 5 is a top view of the feeding device;

FIG. 6 is a front view of the feeding device;

FIG. 7 is a rear view of the feeding device;

FIG. 8 is a schematic view of the driving relationship of the drum with the first motor and the first tension wheel;

FIG. 9 is a perspective view of the compression device;

FIG. 10 is a top view of the compression device;

FIG. 11 is a schematic view showing the connection between the pushing cylinder and the pushing plate;

FIG. 12 is a schematic view showing the connection of a compression cylinder and a pressure plate;

FIG. 13 is a schematic view of the installation of the second tensioner;

FIG. 14 is a schematic view of a second motor;

FIG. 15 is a schematic view of the construction of the take-off baffle;

FIG. 16 is a schematic view of the tying device;

FIG. 17 is a schematic view of the upper bundling arm;

figure 18 is a schematic view of the working end of the upper tie arm;

FIG. 19 is a partial view of the wire reel shaft;

FIG. 20 is a fragmentary view of the wire locating holes and wire armor ring;

FIG. 21 is a cross-sectional view of the wire locating holes and the wire armor ring;

FIG. 22 is a partial schematic view of the tying device;

figure 23 shows a top view of the tying device;

FIG. 24 is a schematic view of the first traction motor and the second traction motor;

FIG. 25 is a partial sectional view of the tying device;

FIG. 26 is a schematic view showing the connection of a knotting finger holder with a movable knotting finger, a knotting finger cylinder, and a knotting stationary hand;

FIG. 27 is a frame diagram of a hydraulic drive system of a branch baler;

fig. 28 is a diagram showing an operation sequence table of a hydraulic drive system of a branch baler.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The embodiment of the utility model discloses a branch material bundling machine, which comprises a feeding device, a compressing device and a bundling device;

the feeding device comprises a front shovel tooth 1, a front shovel hydraulic cylinder 3, a roller 4, a first fixed side plate 5 and a front shovel frame 13; two ends of the front shovel frame 13 are respectively linked with the two first fixed side plates 5 through revolute pairs, and the front shovel teeth 1 are arranged in the middle of the front shovel frame 13; the front shovel hydraulic cylinder 3 is hinged to the first fixed side plate 5, and the end part of a front shovel hydraulic rod 2 of the front shovel hydraulic cylinder 3 is hinged to a front shovel frame 13; two rollers 4 are arranged up and down and are rotatably arranged at one end of the first fixed side plate 5 close to the front shovel frame 13;

the compression device comprises a conveyor belt 14, the feeding end of the conveyor belt 14 is positioned between the two first fixed side plates 5, and the two sides of the conveyor belt 14 are provided with second fixed side plates 15; a material pressing bin 19 is arranged at the discharge end of the conveyor belt 14, and a feed inlet of the material pressing bin 19 is connected with the discharge end of the conveyor belt 14;

the bundling device comprises an upper bundling arm 26, a toothed disc rack 28, a rack shaft 29, a driving gear 30, a lower bundling arm 32, a tool apron 34, a knotting finger seat 33, a wire disc 35, a first traction motor 42.1, a second traction motor 42.2 and a bracket 46;

the connecting ends of the upper and lower tie arms 26, 32 are hinged to the toothed disc frame 28 and are driven by upper and lower tie arm hydraulic cylinders 27.1, 27.2, respectively; a knotting finger seat 33 is mounted at the working end of the lower bundling arm 32, and a tool holder 34 is mounted at the working end of the upper bundling arm 26; the wire reel 35 is rotatably mounted on the upper binding arm 26 by a wire reel shaft 41; one end of the rack shaft 29 is rotatably connected with the toothed disc rack 28, and the other end of the rack shaft 29 extends into a traction shell of the bracket 46; the motor shafts of the first traction motor 42.1 and the second traction motor 42.2 both extend into the traction shell and are provided with traction gears 45 meshed with the rack shaft 29;

a third motor 43 is arranged on one side of the traction shell, and a driving gear 30 matched with the external teeth of the toothed disc rack 28 is arranged on a motor shaft of the third motor 43.

In order to further optimize the technical scheme, the roller 4 is rotatably mounted on the first fixed side plate 5 through a bearing 8, wherein the bearing 8 of the roller 4 positioned above is mounted on a sliding block 6, the sliding block 6 is slidably mounted in a sliding groove formed in the first fixed side plate 5, and a first spring 7 is arranged between the sliding block 6 and the sliding groove.

In order to further optimize the technical scheme, a first motor 12 and a first tensioning wheel 9 are arranged on one side of the first fixed side plate 5, the first tensioning wheel 9 is rotatably installed on one side of the first fixed side plate 5, belt wheels 11 are installed on the first motor 12 and a rotating shaft of the roller 4, the first motor 12 is in transmission connection with the roller 4 through a belt 10, and the belt 10 is tensioned by bypassing the first tensioning wheel 9.

In order to further optimize the technical scheme, a material pushing hydraulic cylinder 17 and a compression hydraulic cylinder 20 are arranged in the material pressing bin 19, the material pushing hydraulic cylinder 17 is arranged on one side close to the conveyor belt 14, a material outlet is formed in one side opposite to the material pushing hydraulic cylinder 17, and a material outlet baffle 22 is arranged on the material outlet in a sliding mode; a material pushing plate 23 is arranged on a hydraulic rod of the material pushing hydraulic cylinder 17, and a material pressing plate 24 is arranged on a hydraulic rod of the compression hydraulic cylinder 20; the discharge baffle 22 is provided with a boss which can be matched with the pressure plate 24, and the pressure plate 24 can drive the boss to move upwards.

In order to further optimize the technical scheme, the material pushing hydraulic cylinder 17 is provided with two travel switches 16; a second tensioning wheel 18 is arranged at the bottom of the conveying belt 14, a wheel shaft of the second tensioning wheel 18 is rotatably connected with a support rod, the support rod is slidably arranged in a sliding hole formed in the material pressing bin 19, and a second spring 25 is arranged between the support rod and the sliding hole; the driving roller of the conveyor belt 14 is in driving connection with a second motor 21.

In order to further optimize the technical scheme, one end of an upper bundling arm hydraulic cylinder 27.1 is hinged with the upper bundling arm 26, and the other end is hinged with a toothed disc rack 28; one end of the lower bundling arm hydraulic cylinder 27.2 is hinged with the lower bundling arm 32, and the other end is hinged with the toothed disc rack 28; the rack shaft 29 is rotatably connected to the toothed disc rack 28 by a main bearing 31.

In order to further optimize the technical scheme, a movable knotting finger 48, a knotting finger hydraulic cylinder 47 and a knotting static hand 49 are arranged on the knotting finger seat 33, the knotting static hand 49 is provided with a fixing hole, the movable knotting finger 48 is arranged on one side of the knotting static hand 49, one end of the movable knotting finger 48 is hinged with the knotting finger seat 33, the other end of the movable knotting finger 48 is hinged with one end of the knotting finger hydraulic cylinder 47, and the other end of the knotting finger hydraulic cylinder 47 is hinged with the lower knotting arm 32;

a cutter hydraulic cylinder 38 is arranged on the cutter holder 34, a cutter 37 is installed at the output end of the cutter hydraulic cylinder 38, an iron wire anti-elastic ring 36 is arranged on one side of the cutter 37, and an iron wire pulley 39 and an iron wire positioning hole 40 are arranged on one side of the iron wire anti-elastic ring 36.

In order to further optimize the technical scheme, the bracket 46 is fixedly connected with the material pressing bin 19; a positioning gear 44 engaged with the rack shaft 29 is rotatably installed in the traction housing through a pin shaft.

In order to further optimize the technical scheme, the device further comprises a hydraulic station, wherein the front shovel hydraulic cylinder 3, the upper bundling arm hydraulic cylinder 27.1, the lower bundling arm hydraulic cylinder 27.2, the pushing hydraulic cylinder 17, the compression hydraulic cylinder 20, the knotting finger hydraulic cylinder 47 and the cutter hydraulic cylinder 38 are respectively communicated with the hydraulic station through pipelines and are controlled by the hydraulic station.

The working principle is as follows:

the front shovel frame 13 is connected with the fixed side plate 5 through a revolute pair, the front shovel frame 13 can be put down from a retracted state into a working state through the front shovel hydraulic cylinder 3 and the front shovel hydraulic rod 2, branches scattered on the ground are shoveled by the front shovel teeth 1 and matched with the front shovel frame 13 for feeding.

Then the roller 4 with spiral teeth is rolled into the conveyor belt by the upper and lower rollers.

The rollers are powered by a first motor 12 through belt transmission, and the elastic adjusting device consisting of a first spring 7 and a sliding block 6 can passively adjust the distance between the two rollers according to the size of branches so as to ensure successful feeding.

The material is fed into the pressing bin 19 from the conveyor belt 14, the second tensioning wheel 18 tensions the conveyor belt 14, and the second spring 25 plays a dynamic tensioning role. And second fixed side plates 15 are arranged on two sides of the conveyor belt 14 to guide the materials.

The material is pressed downwards repeatedly by the compression hydraulic cylinder 20 above the material pressing bin 19, the material in the material pressing bin 19 reaches a certain height, the compression hydraulic cylinder 20 descends to compress, when the pressure reaches the set pressure of the pressure relay 65, the pressure relay 65 sends a reversing signal to the reversing solenoid valve, the compression hydraulic cylinder 20 ascends at the moment, the material is waited to be added to a certain height, the compression hydraulic cylinder 20 continues to compress the material, when the material in the material pressing bin 19 reaches the required height, the material pressing process is finished, the compression hydraulic cylinder 20 ascends, and when the material pressing plate 24 moves upwards, the discharging baffle plate 22 is lifted by pulling up the boss. At the moment, the left material pushing hydraulic cylinder 17 starts to work to quickly push the compressed materials out to a bundling position for bundling, the travel switch 16 can detect the position of a hydraulic rod of the material pushing hydraulic cylinder 17, and two travel switches 16 are arranged to position the travel of the hydraulic rod of the material pushing hydraulic cylinder 17 twice, so that the compressed material packet can be bundled at two different positions; meanwhile, the L-shaped material pushing plate 23 can also receive falling materials, and the return stroke of the material pushing hydraulic cylinder 17 after bundling is finished to prepare for the next compression work.

During a bundling process, before work, an iron wire head needs to be manually stretched into an iron wire positioning hole 40 and an iron wire anti-spring ring 36, during work, the upper bundling arm 26 and the lower bundling arm 32 are opened at a discharge hole to stand by, when discharge is detected, the upper bundling arm hydraulic cylinder 27.1 and the lower bundling arm hydraulic cylinder 27.2 are started to clamp the bundling arms, the knotting finger hydraulic cylinder 47 works to enable the knotting finger 48 to be turned from open to closed, and under the cooperation with a knotting static hand (49), the iron wire at the positioning hole is pinched;

the upper and lower tie arm hydraulic cylinders 27.1, 27.2 operate to spread the two tie arms apart. The rack shaft 29 drives the traction gear 45 to rotate through the first traction motor 42.1 and the second traction motor 42.2, so that the rack shaft 29 moves, the whole bundling arm is lifted to the meshing position of the toothed disc frame 28 and the driving gear 30 driven by the third motor 43, the upper bundling arm hydraulic cylinder 27.1 and the lower bundling arm hydraulic cylinder 27.2 drive the bundling arm to close so that an iron wire is wound on a material, the third motor 43 drives the toothed disc frame 28 to rotate when working, the iron wire is twisted and combined to finish knotting, the cutter hydraulic cylinder 38 drives the cutter 37 to cut off the iron wire when working, the upper bundling arm hydraulic cylinder 27.1 and the lower bundling arm hydraulic cylinder 27.2 work to open the bundling arm, and the first traction motor 42.1 and the second traction motor 42.2 work to drive the traction gear 45 to rotate, so that the rack shaft 29 moves downwards, and secondary bundling is waited for discharging of the material.

A hydraulic driving system of a branch material bundling machine comprises an oil tank 50, wherein the oil tank 50 is connected with an inlet of a first manual reversing valve 52 through a gear pump 51, and an outlet of the first manual reversing valve 52 is respectively connected with a check valve 53 and a pressure gauge 54; an oil absorption filter 55 is arranged between the gear pump 51 and the oil tank 50; the check valve 53 is respectively connected with an electromagnetic overflow valve 56, a second manual directional control valve 57, a first electromagnetic directional control valve 58, a second electromagnetic directional control valve 59, a third electromagnetic directional control valve 60, a fourth electromagnetic directional control valve 61 and a fifth electromagnetic directional control valve 62 through an oil inlet pipeline; the second manual directional control valve 57 is connected with the front shovel hydraulic cylinder 3 through a hydraulic lock 63; the first electromagnetic directional valve 58 is communicated with the compression hydraulic cylinder 20 through a first double one-way throttle valve 64, and a pressure relay 65 is arranged on a rodless cavity of the compression hydraulic cylinder 20; the second electromagnetic directional valve 59 is communicated with the material pushing hydraulic cylinder 17 through a second double-one-way throttle valve 66; the third electromagnetic directional valve 60 is communicated with the upper bundling arm hydraulic cylinder 27.1 and the lower bundling arm hydraulic cylinder 27.2 through a third double one-way throttle valve 67; the fourth electromagnetic directional valve 61 is communicated with the cutter hydraulic cylinder 38 through a fourth double one-way throttle valve 68; the fifth electromagnetic directional valve 62 is communicated with the knotting finger hydraulic cylinder 47 through a fifth double one-way throttle valve 69; oil return ports of the electromagnetic overflow valve 56, the second manual directional control valve 57, the first electromagnetic directional control valve 58, the second electromagnetic directional control valve 59, the third electromagnetic directional control valve 60, the fourth electromagnetic directional control valve 61 and the fifth electromagnetic directional control valve 62 are communicated with the oil tank 50 through an oil return pipeline.

The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. The device disclosed by the embodiment corresponds to the method disclosed by the embodiment, so that the description is simple, and the relevant points can be referred to the method part for description.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (10)

1. A branch material bundling machine is characterized by comprising a feeding device, a compressing device and a bundling device;

the feeding device comprises a front shovel tooth (1), a front shovel hydraulic cylinder (3), a roller (4), a first fixed side plate (5) and a front shovel frame (13); the two ends of the front shovel frame (13) are respectively linked with the two first fixed side plates (5) through revolute pairs, and the front shovel teeth (1) are arranged in the middle of the front shovel frame (13); the front shovel hydraulic cylinder (3) is hinged to the first fixed side plate (5), and the end part of a front shovel hydraulic rod (2) of the front shovel hydraulic cylinder (3) is hinged to the front shovel frame (13); two rollers (4) are arranged up and down and are rotatably mounted at one end, close to the front shovel frame (13), of the first fixed side plate (5);

the compression device comprises a conveyor belt (14), the feeding end of the conveyor belt (14) is positioned between the two first fixed side plates (5), and second fixed side plates (15) are arranged on two sides of the conveyor belt (14); a pressing bin (19) is arranged at the discharge end of the conveyor belt (14), and the feed inlet of the pressing bin (19) is connected with the discharge end of the conveyor belt (14);

the bundling device comprises an upper bundling arm (26), a toothed disc rack (28), a rack shaft (29), a driving gear (30), a lower bundling arm (32), a tool apron (34), a knotting finger seat (33), a wire reel (35), a first traction motor (42.1), a second traction motor (42.2) and a support (46);

the connecting ends of the upper and lower bundling arms (26, 32) are hinged with the toothed disc frame (28) respectively and are driven by an upper bundling arm hydraulic cylinder (27.1) and a lower bundling arm hydraulic cylinder (27.2) respectively; the knotting finger seat (33) is arranged at the working end of the lower bundling arm (32), and the cutter seat (34) is arranged at the working end of the upper bundling arm (26); the wire disc (35) is rotatably arranged on the upper bundling arm (26) through a wire disc shaft (41); one end of the rack shaft (29) is rotationally connected with the toothed disc rack (28), and the other end of the rack shaft (29) extends into a traction shell of the bracket (46); the motor shafts of the first traction motor (42.1) and the second traction motor (42.2) both extend into the traction shell and are provided with traction gears (45) meshed with the rack shafts (29);

a third motor (43) is arranged on one side of the traction shell, and a driving gear (30) matched with the external teeth of the toothed disc rack (28) is arranged on a motor shaft of the third motor (43).

2. A branch material bundling machine according to claim 1, characterized in that the roller (4) is rotatably mounted on the first fixed side plate (5) by means of a bearing (8), wherein the bearing (8) of the roller (4) located above is mounted on a slide block (6), the slide block (6) is slidably mounted in a sliding slot provided in the first fixed side plate (5), and a first spring (7) is arranged between the slide block (6) and the sliding slot.

3. A branch bundling machine according to claim 2, characterized in that a first motor (12) and a first tensioning wheel (9) are arranged on one side of the first fixed side plate (5), the first tensioning wheel (9) is rotatably mounted on one side of the first fixed side plate (5), the first motor (12) and the rotary shaft of the drum (4) are both provided with a belt wheel (11), the first motor (12) and the drum (4) are in transmission connection through a belt (10), and the belt (10) is tensioned around the first tensioning wheel (9).

4. A branch material bundling machine according to claim 3, wherein a material pushing hydraulic cylinder (17) and a compression hydraulic cylinder (20) are arranged in the material pressing bin (19), the material pushing hydraulic cylinder (17) is arranged at one side close to the conveyor belt (14), a material outlet is arranged at the opposite side of the material pushing hydraulic cylinder (17), and a material outlet baffle plate (22) is slidably arranged on the material outlet; a material pushing plate (23) is arranged on a hydraulic rod of the material pushing hydraulic cylinder (17), and a material pressing plate (24) is arranged on a hydraulic rod of the compression hydraulic cylinder (20); the discharging baffle (22) is provided with a boss which can be matched with the pressure plate (24), and the pressure plate (24) can drive the boss to move upwards.

5. A branch baler according to claim 4, characterised in that the pushing cylinder (17) is provided with a travel switch (16); a second tensioning wheel (18) is arranged at the bottom of the conveying belt (14), a wheel shaft of the second tensioning wheel (18) is rotatably connected with a support rod, the support rod is slidably arranged in a sliding hole formed in the material pressing bin (19), and a second spring (25) is arranged between the support rod and the sliding hole; and a driving roller of the conveying belt (14) is in transmission connection with a second motor (21).

6. A crotch strapping machine according to claim 5, characterized in that the upper strapping arm hydraulic cylinder (27.1) is hinged at one end to the upper strapping arm (26) and at the other end to the toothed disc rack (28); one end of the lower bundling arm hydraulic cylinder (27.2) is hinged with the lower bundling arm (32), and the other end is hinged with the toothed disc rack (28); the rack shaft (29) is rotationally connected to the toothed disc rack (28) by means of a main bearing (31).

7. A branch material bundling machine according to claim 6, wherein a manual knotting finger (48), a knotting finger hydraulic cylinder (47) and a knotting static hand (49) are arranged on the knotting finger seat (33), the knotting static hand (49) is provided with a fixing hole, the manual knotting finger (48) is arranged on one side of the knotting static hand (49), one end of the manual knotting finger (48) is hinged with the knotting finger seat (33), the other end of the manual knotting finger (48) is hinged with one end of the knotting finger hydraulic cylinder (47), and the other end of the knotting finger hydraulic cylinder (47) is hinged with the lower bundling arm (32);

set up cutter pneumatic cylinder (38) on blade holder (34), cutter (37) are installed to the output of cutter pneumatic cylinder (38), one side of cutter (37) is provided with iron wire bullet-proof circle (36), one side of iron wire bullet-proof circle (36) is provided with iron wire pulley (39) and iron wire locating hole (40).

8. A branch baler according to claim 7, characterised in that the bracket (46) is fixedly connected to the compression bin (19); and a positioning gear (44) meshed with the rack shaft (29) is rotatably arranged in the traction shell through a pin shaft.

9. A branch material bundling machine according to claim 8, characterized in that it further comprises a hydraulic station, and the front shovel hydraulic cylinder (3), the upper bundling arm hydraulic cylinder (27.1), the lower bundling arm hydraulic cylinder (27.2), the pushing hydraulic cylinder (17), the compressing hydraulic cylinder (20), the knotting finger hydraulic cylinder (47) and the cutter hydraulic cylinder (38) are respectively communicated with the hydraulic station through pipelines and controlled by the hydraulic station.

10. The hydraulic driving system of the branch material bundling machine is characterized by comprising an oil tank (50), wherein the oil tank (50) is connected with an inlet of a first manual reversing valve (52) through a gear pump (51), and an outlet of the first manual reversing valve (52) is respectively connected with a one-way valve (53) and a pressure gauge (54); an oil absorption filter (55) is arranged between the gear pump (51) and the oil tank (50); the check valve (53) is respectively connected with an electromagnetic overflow valve (56), a second manual reversing valve (57), a first electromagnetic reversing valve (58), a second electromagnetic reversing valve (59), a third electromagnetic reversing valve (60), a fourth electromagnetic reversing valve (61) and a fifth electromagnetic reversing valve (62) through an oil inlet pipeline; the second manual reversing valve (57) is connected with the front shovel hydraulic cylinder (3) through a hydraulic lock (63); the first electromagnetic directional valve (58) is communicated with the compression hydraulic cylinder (20) through a first double one-way throttle valve (64), and a pressure relay (65) is arranged on a rodless cavity of the compression hydraulic cylinder (20); the second electromagnetic directional valve (59) is communicated with the material pushing hydraulic cylinder (17) through a second double-check throttle valve (66); the third electromagnetic directional valve (60) is communicated with the upper bundling arm hydraulic cylinder (27.1) and the lower bundling arm hydraulic cylinder (27.2) through a third double one-way throttle valve (67); the fourth electromagnetic directional valve (61) is communicated with the cutter hydraulic cylinder (38) through a fourth double one-way throttle valve (68); the fifth electromagnetic directional valve (62) is communicated with the knotting finger hydraulic cylinder (47) through a fifth double one-way throttle valve (69); and oil return ports of the electromagnetic overflow valve (56), the second manual reversing valve (57), the first electromagnetic reversing valve (58), the second electromagnetic reversing valve (59), the third electromagnetic reversing valve (60), the fourth electromagnetic reversing valve (61) and the fifth electromagnetic reversing valve (62) are communicated with the oil tank (50) through oil return pipelines.

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