CN211865310U

CN211865310U - Second grade branch rubbing crusher for forestry

Info

Publication number: CN211865310U
Application number: CN202020301249.7U
Authority: CN
Inventors: 戴楠; 赵东民; 张鹏; 岳志娟; 王志杰; 谢敏; 胡艳南; 王瑞新; 邹建明; 郝春旭; 王福德
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-03-10
Filing date: 2020-03-10
Publication date: 2020-11-06
Anticipated expiration: 2030-03-10

Abstract

A two-stage branch crusher for forestry relates to the technical field of forestry machinery. The utility model provides a current branch reducing mechanism have the kibbling degree of uncontrollable branch, and the primary crushing rotor easily causes to rust, influences equipment life's problem. The utility model discloses a primary crushing box sets up directly over the secondary crushing device, the first discharge gate below of primary crushing box is equipped with the filter, first crushing rotor subassembly sets up inside primary crushing box, the secondary crushing box sets up under primary crushing box, second crushing rotor subassembly and third crushing rotor subassembly parallel arrangement are inside secondary crushing box, first drive assembly's power take off end is connected with the front end of third crushing rotor subassembly, second drive assembly's power take off end is connected with the rear end of first crushing rotor subassembly and the rear end of second crushing rotor subassembly respectively, the right side wall lower part of secondary crushing box is equipped with the second discharge gate. The utility model is used for the multi-stage grinding of branch.

Description

Second grade branch rubbing crusher for forestry

Technical Field

The utility model relates to a forestry machine technical field, concretely relates to second grade branch rubbing crusher for forestry.

Background

The forestry residues comprise forest felling residues, wood processing residues and forest cultivation pruning residues. Along with the development of production and the continuous improvement innovation of science and technology, the processing mode to the forestry remainder is no longer thrown away as the waste material, and current branch processing mode is for smashing it, and the garrulous end after will smashing is arranged in papermaking or the fungus class and plants, but current branch reducing mechanism function singleness can not change the kibbling degree of branch, and smashes the effect not good, makes the garrulous end size disparity of trees too big, is not suitable for the use in the garrulous end later stage of trees. In addition, the primary crushing rotor of the existing branch crushing device is in an exposed mode after being used, and when the cutter runs into rainy and snowy weather, the primary crushing rotor is easily rusted and corroded, so that higher maintenance and replacement cost is generated, waste is caused, and the crushing efficiency of branches is influenced.

To sum up, current branch reducing mechanism has the kibbling degree of uncontrollable branch, and elementary crushing rotor easily causes to rust, influences equipment life's problem.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a solve current branch reducing mechanism and have the kibbling degree of uncontrollable branch, elementary crushing rotor easily causes to rust, influences equipment life's problem, and then provides a second grade branch rubbing crusher for forestry.

The technical scheme of the utility model is that:

a second grade branch grinder for forestry, it includes the primary crushing device, the second grade crushing device, the drive unit, the feed assembly and the discharge assembly, the primary crushing device includes the primary crushing box 1, the first crushing knife roll assembly 2, the filter 3 and the filter mounting bracket 4, the primary crushing box 1 is a cylindrical structure, the primary crushing box 1 is arranged right above the second grade crushing device, the box top and the box bottom of the primary crushing box 1 are respectively provided with the first feed inlet 1-1 and the first discharge outlet 1-2 along the vertical direction, the feed assembly is arranged above the first feed inlet 1-1, the filter 3 is arranged below the first discharge outlet 1-2, the filter 3 is provided with a plurality of filter holes 3-1 in an array mode, the filter 3 is horizontally arranged on the filter mounting bracket 4, the first crushing knife roll assembly 2 is horizontally arranged inside the primary crushing box 1 along the length direction of the primary crushing box 1, the front end of the first crushing knife roll component 2 is rotatably connected with the front end surface of the primary crushing box body 1, the rear end of the first crushing knife roll component 2 passes through the rear end surface of the primary crushing box body 1 and is rotatably connected with the primary crushing box body 1,

the secondary crushing device comprises a secondary crushing box body 6, a second crushing knife roll component 7 and a third crushing knife roll component 8, the secondary crushing box body 6 is of a hollow cuboid structure, the secondary crushing box body 6 is arranged under the primary crushing box body 1, a second feeding port 6-1 is arranged at the box top of the secondary crushing box body 6, the second feeding port 6-1 is opposite to a first discharging port 1-2 of the primary crushing box body 1, a filter plate mounting frame 4 is detachably connected with the lower surface of the box top of the secondary crushing box body 6 through a plurality of connecting elements, the second crushing knife roll component 7 and the third crushing knife roll component 8 are horizontally arranged inside the secondary crushing box body 6 along the length direction of the secondary crushing box body 6, the second crushing knife roll component 7 is arranged in parallel with the third crushing knife roll component 8, and the front end of the second crushing knife roll component 7 is rotatably connected with the front end face of the secondary crushing box body 6, the rear end of the second crushing knife roll component 7 passes through the rear end surface of the second-stage crushing box body 6 and is rotatably connected with the second-stage crushing box body 6, the front end of the third crushing knife roll component 8 passes through the front end surface of the second-stage crushing box body 6 and is rotatably connected with the second-stage crushing box body 6, the rear end of the third crushing knife roll component 8 is rotatably connected with the rear end surface of the second-stage crushing box body 6,

the driving device comprises a first driving component 9, a second driving component 10 and a driving supporting box body 11, the driving supporting box body 11 is arranged at the left side of the secondary crushing box body 6, the driving supporting box body 11 is fixedly connected with the secondary crushing box body 6, the first driving component 9 is arranged at the middle part of the driving supporting box body 11, the power output end of the first driving component 9 penetrates through the front end surface of the driving supporting box body 11 and is connected with the front end of a third crushing knife roller component 8, the second driving component 10 is arranged at the upper part of the driving supporting box body 11, the power output end of the second driving component 10 penetrates through the rear end surface of the driving supporting box body 11 and is respectively connected with the rear end of the first crushing knife roller component 2 and the rear end of the second crushing knife roller component 7,

the lower portion of the right side wall of the second-stage crushing box body 6 is provided with a second discharge port 6-2, the discharge assembly comprises a discharge box body 14, a guide plate 15 and two material plate support frames 16, the guide plate 15 is obliquely arranged below the second crushing cutter roller assembly 7 and the third crushing cutter roller assembly 8, the guide plate 15 is of a rectangular plate-shaped structure, the periphery of the guide plate 15 is in sealing fit with the second-stage crushing box body 6, the guide plate 15 is respectively connected with the left side wall and the right side wall of the second-stage crushing box body 6 through the two material plate support frames 16, the discharge box body 14 is located outside the second-stage crushing box body 6, and the discharge box body 14 is communicated with the second discharge port 6.

Further, the feeding assembly comprises a feeding box body 12 and a feeding box cover 13, the longitudinal section of the feeding box body 12 is in an inverted isosceles trapezoid shape, a first opening 12-1 and a second opening 12-2 which are opposite to each other are respectively arranged on the top and the bottom of the feeding box body 12 in the vertical direction, the feeding box cover 13 is arranged above the first opening 12-1, the feeding box cover 13 is detachably connected with the top of the feeding box body 12 through a connecting element, the second opening 12-2 is communicated with the first feeding opening 1-1 of the primary crushing box body 1, and the bottom of the feeding box body 12 is detachably connected with the primary crushing box body 1 through a connecting element.

Further, the first crushing knife roll component 2 comprises a first knife roll 2-1, a first rotating shaft 2-2 and a first driven belt wheel 2-3, the first knife roll 2-1 is sleeved on the first rotating shaft 2-2, the front end of the first rotating shaft 2-2 is rotatably connected with the front end face of the primary crushing box body 1, the rear end of the first rotating shaft 2-2 penetrates through the rear end face of the primary crushing box body 1 and is connected with the first driven belt wheel 2-3, and the first rotating shaft 2-2 is rotatably connected with the rear end face of the primary crushing box body 1.

Further, the second crushing knife roller component 7 comprises a second knife roller 7-1, a second rotating shaft 7-2 and a second driven belt wheel 7-3, the second knife roller 7-1 is sleeved on the second rotating shaft 7-2, the front end of the second rotating shaft 7-2 is rotatably connected with the front end face of the second-stage crushing box body 6, the rear end of the second rotating shaft 7-2 penetrates through the rear end face of the second-stage crushing box body 6 and is connected with the second driven belt wheel 7-3, and the second rotating shaft 7-2 is rotatably connected with the rear end face of the second-stage crushing box body 6.

Further, the third crushing knife roller assembly 8 comprises a third knife roller 8-1, a third rotating shaft 8-2 and a third driven belt wheel 8-3, the third knife roller 8-1 is sleeved on the third rotating shaft 8-2, the front end of the third rotating shaft 8-2 penetrates through the front end face of the second-stage crushing box body 6 and is connected with the third driven belt wheel 8-3, the third rotating shaft 8-2 is rotatably connected with the front end face of the second-stage crushing box body 6, and the rear end of the third rotating shaft 8-2 is rotatably connected with the rear end face of the second-stage crushing box body 6.

Further, the first driving assembly 9 comprises a first motor 9-1, a first motor support 9-2, a first driving pulley 9-3 and a first transmission belt 9-4, the first motor 9-1 is mounted in the middle of the driving support box 11 through the first motor support 9-2, an output shaft of the first motor 9-1 penetrates through the front end face of the driving support box 11 and is sequentially connected with the first driving pulley 9-3, and the first driving pulley 9-3 is connected with a third driven pulley 8-3 on the third rotating shaft 8-2 through the first transmission belt 9-4.

Further, the second driving assembly 10 comprises a second motor 10-1, a second motor bracket 10-2 and a second driving pulley 10-3, a second driving belt 10-4, a third driving pulley 10-5 and a third driving belt 10-6, wherein the second motor 10-1 is mounted on the upper portion of the driving support box body 11 through a second motor support 10-2, an output shaft of the second motor 10-1 penetrates through the rear end face of the driving support box body 11 and is respectively connected with the second driving pulley 10-3 and the third driving pulley 10-5, the second driving pulley 10-3 is connected with a first driven pulley 2-3 on the first rotating shaft 2-2 through the second driving belt 10-4, and the third driving pulley 10-5 is connected with a second driven pulley 7-3 on the second rotating shaft 7-2 through the third driving belt 10-6.

Further, elementary reducing mechanism still includes two arc pinion rack 5, is equipped with two relative arc pinion rack 5 between first crushing rotor assembly 2 and the elementary crushing box 1, and the external diameter of arc pinion rack 5 equals with the internal diameter of elementary crushing box 1, and two arc pinion rack 5 can dismantle with the inner wall of elementary crushing box 1 through a plurality of connecting element respectively and be connected.

Furthermore, a plurality of first crushing teeth 5-1 are uniformly distributed on the inner cylindrical surface of the arc-shaped toothed plate 5 in an array mode, a plurality of second crushing teeth 2-4 are arranged on the outer cylindrical surface of the first crushing cutter roller component 2 in an array mode, and the direction of the tool tip of each second crushing tooth 2-4 is opposite to the direction of the tool tip of each first crushing tooth 5-1.

Furthermore, a plurality of third crushing teeth 7-4 are arranged on the outer cylindrical surface of the second crushing knife roller component 7 in an array mode, a plurality of fourth crushing teeth 8-4 are arranged on the outer cylindrical surface of the third crushing knife roller component 8 in an array mode, the direction of the knife point of the third crushing teeth 7-4 is opposite to the direction of the knife point of the fourth crushing teeth 8-4, and the rotating direction of the second crushing knife roller component 7 is opposite to the rotating direction of the third crushing knife roller component 8.

Compared with the prior art, the utility model has the following effect:

1. the utility model discloses a second grade branch rubbing crusher for forestry has primary reducing mechanism and the crushing process of second grade reducing mechanism two-stage, has better crushing effect and crushing efficiency, adopts two motors can realize having better practicality to the control of three rotor simultaneously. The utility model discloses a first discharge gate in preliminary crushing box below is provided with the filter, the filter can be with being greater than the material pause that the filtration pore directly falls in preliminary crushing box for first crushing rotor subassembly can be smashed the great material of diameter repeatedly, until the material after being smashed can pass through the filtration pore of filtration by the filter, be connected for dismantling between filter and the filter mounting bracket in addition, can be according to the filter screen that the required crushing material size change accords with the filtration pore size, and then reach the function that can change the branch degree of smashing, the use in the garrulous end later stage of the trees of being convenient for.

2. The utility model discloses a primary crushing box roof first pan feeding mouth top is equipped with the pan feeding subassembly, and the pan feeding subassembly includes pan feeding box and pan feeding case lid, and the first opening top of pan feeding box roof is equipped with the pan feeding case lid, the pan feeding case lid passes through connecting element and can dismantle with the roof of pan feeding box and be connected, when no longer influencing the pan feeding, the pan feeding case lid can play the effect of sheltering from the protection on the one hand, avoids when meeting sleet weather, and the primary crushing rotor exposes and causes rust and corrode, and then has improved the life of this equipment, has reduced cost of maintenance; on the other hand, dry branch can produce a large amount of dusts in the in-process of carrying out the shredding, can effectively avoid the smoke and dust to waft to aerial and cause the pollution through setting up the pan feeding case lid.

Drawings

FIG. 1 is a schematic structural view of a two-stage branch grinder for forestry of the present invention;

FIG. 2 is a cross-sectional view of FIG. 1 at A-A;

FIG. 3 is a cross-sectional view of FIG. 1 at B-B;

fig. 4 is a cross-sectional view at C-C of fig. 1.

Detailed Description

The first embodiment is as follows: the second-stage branch grinder for forestry comprises a primary grinding device, a second-stage grinding device, a driving device, a feeding component and a discharging component, wherein the primary grinding device comprises a primary grinding box body 1, a first grinding knife roll component 2, a filter plate 3 and a filter plate mounting rack 4, the primary grinding box body 1 is of a cylindrical structure, the primary grinding box body 1 is arranged right above the second-stage grinding device, a box top and a box bottom of the primary grinding box body 1 are respectively provided with a first feeding port 1-1 and a first discharging port 1-2 which are opposite along the vertical direction, the feeding component is arranged above the first feeding port 1-1, the filter plate 3 is arranged below the first discharging port 1-2, a plurality of filter holes 3-1 are arranged on the filter plate 3 in an array mode, the filter plate 3 is horizontally mounted on the filter plate mounting rack 4, the first crushing knife roll component 2 is horizontally arranged inside the primary crushing box body 1 along the length direction of the primary crushing box body 1, the front end of the first crushing knife roll component 2 is rotatably connected with the front end surface of the primary crushing box body 1, the rear end of the first crushing knife roll component 2 penetrates through the rear end surface of the primary crushing box body 1 and is rotatably connected with the primary crushing box body 1,

The second embodiment is as follows: the embodiment is described with reference to fig. 1, the feeding assembly of the embodiment includes a feeding box body 12 and a feeding box cover 13, a longitudinal section of the feeding box body 12 is an inverted isosceles trapezoid, a first opening 12-1 and a second opening 12-2 are respectively arranged on a top and a bottom of the feeding box body 12 along a vertical direction, the first opening 12-1 is provided with the feeding box cover 13, the feeding box cover 13 is detachably connected with the top of the feeding box body 12 through a connecting element, the second opening 12-2 is communicated with the first feeding opening 1-1 of the primary crushing box body 1, and the bottom of the feeding box body 12 is detachably connected with the primary crushing box body 1 through a connecting element. So set up, the longitudinal section of the feed box body 12 is inverted isosceles trapezoid, is convenient for pour the material into the primary crushing box body 1, and the feeding box cover 13 is used for protecting the first crushing knife roller assembly 2 from being eroded by external rain and snow, and at the work, the feeding box cover 13 needs to be detached so that the material can be poured into the primary crushing box body 1 smoothly. Other components and connections are the same as in the first embodiment.

The third concrete implementation mode: referring to fig. 3, the first crushing cutter roll assembly 2 of the present embodiment includes a first cutter roll 2-1, a first rotating shaft 2-2 and a first driven pulley 2-3, the first cutter roll 2-1 is sleeved on the first rotating shaft 2-2, the front end of the first rotating shaft 2-2 is rotatably connected with the front end face of the primary crushing box 1, the rear end of the first rotating shaft 2-2 passes through the rear end face of the primary crushing box 1 and is connected with the first driven pulley 2-3, and the first rotating shaft 2-2 is rotatably connected with the rear end face of the primary crushing box 1. So set up, first crushing rotor subassembly 2 is used for realizing the primary crushing of material. Other compositions and connections are the same as in the first or second embodiments.

The bearings are arranged between the first rotating shaft 2-2 and the front end surface and the rear end surface of the primary crushing box body 1, so that the first rotating shaft 2-2 and the primary crushing box body 1 are rotatably connected.

The first rotating shaft 2-2 and the first knife roller 2-1 are connected through a connecting key.

The first driven pulley 2-3 and the first rotating shaft 2-2 of the embodiment are connected through a connecting key, and the first driven pulley 2-3 is axially positioned with the first rotating shaft 2-2 through an end cover.

The fourth concrete implementation mode: the second crushing cutter roll assembly 7 of the present embodiment is described with reference to fig. 2, and includes a second cutter roll 7-1, a second rotating shaft 7-2 and a second driven pulley 7-3, the second cutter roll 7-1 is sleeved on the second rotating shaft 7-2, the front end of the second rotating shaft 7-2 is rotatably connected with the front end face of the secondary crushing box 6, the rear end of the second rotating shaft 7-2 passes through the rear end face of the secondary crushing box 6 and is connected with the second driven pulley 7-3, and the second rotating shaft 7-2 is rotatably connected with the rear end face of the secondary crushing box 6. So set up, the cooperation of knife roller subassembly 7 is smashed with the third to the second, realizes that the second grade of material is smashed to the knife roller subassembly 8. Other compositions and connection relationships are the same as in the first, second or third embodiment.

In the embodiment, bearings are arranged between the second rotating shaft 7-2 and the front end surface of the second-stage crushing box body 6 and between the second rotating shaft 7-2 and the rear end surface of the second-stage crushing box body 6, so that the second rotating shaft 7-2 and the second-stage crushing box body 6 are rotatably connected.

The second rotating shaft 7-2 and the second knife roller 7-1 of the embodiment are connected through a connecting key.

The second driven pulley 7-3 and the second rotating shaft 7-2 of the present embodiment are connected by a connecting key, and the second driven pulley 7-3 is axially positioned with the second rotating shaft 7-2 by an end cover.

The fifth concrete implementation mode: referring to fig. 2, the third crushing cutter roll assembly 8 of the present embodiment includes a third cutter roll 8-1, a third rotating shaft 8-2 and a third driven pulley 8-3, the third cutter roll 8-1 is sleeved on the third rotating shaft 8-2, the front end of the third rotating shaft 8-2 passes through the front end face of the secondary crushing box 6 and is connected with the third driven pulley 8-3, the third rotating shaft 8-2 is rotatably connected with the front end face of the secondary crushing box 6, and the rear end of the third rotating shaft 8-2 is rotatably connected with the rear end face of the secondary crushing box 6. So set up, knife roller subassembly 7 cooperation is smashed to the third, smashes knife roller subassembly 8 and second, realizes that the second grade of material is smashed. Other compositions and connection relationships are the same as those in the first, second, third or fourth embodiment.

Bearings are arranged between the third rotating shaft 8-2 and the front end face of the second-stage crushing box body 6 and between the third rotating shaft and the rear end face of the second-stage crushing box body 6, so that the third rotating shaft 8-2 and the second-stage crushing box body 6 are rotatably connected.

The third rotating shaft 8-2 and the third knife roll 8-1 of the embodiment are connected through a connecting key.

The third driven pulley 8-3 and the third rotating shaft 8-2 of the present embodiment are connected by a connecting key, and the third driven pulley 8-3 is axially positioned with the third rotating shaft 8-2 by an end cover.

The sixth specific implementation mode: the first driving assembly 9 of the present embodiment is described with reference to fig. 1 and 2, and includes a first motor 9-1, a first motor bracket 9-2, a first driving pulley 9-3 and a first driving belt 9-4, the first motor 9-1 is installed in the middle of a driving support box 11 through the first motor bracket 9-2, an output shaft of the first motor 9-1 passes through the front end face of the driving support box 11 and is sequentially connected with the first driving pulley 9-3, and the first driving pulley 9-3 is connected with a third driven pulley 8-3 on a third rotating shaft 8-2 through the first driving belt 9-4. So arranged, the first driving assembly 9 is used for driving the third knife roller 8-1 on the third rotating shaft 8-2 to rotate. Other compositions and connection relationships are the same as in the first, second, third, fourth or fifth embodiment.

In the embodiment, a bearing is arranged between the output shaft of the first motor 9-1 and the front end surface of the driving support box body 11, so that the output shaft of the first motor 9-1 is rotatably connected with the driving support box body 11.

The first driving pulley 9-3 of the present embodiment is connected to the output shaft of the first motor 9-1 through a connecting key, and the first driving pulley 9-3 is axially positioned to the output shaft of the first motor 9-1 through an end cover.

The seventh embodiment: referring to fig. 1 and 4, the second driving assembly 10 of the present embodiment includes a second motor 10-1, a second motor bracket 10-2, and a second driving pulley 10-3, a second driving belt 10-4, a third driving pulley 10-5 and a third driving belt 10-6, wherein the second motor 10-1 is mounted on the upper portion of the driving support box body 11 through a second motor support 10-2, an output shaft of the second motor 10-1 penetrates through the rear end face of the driving support box body 11 and is respectively connected with the second driving pulley 10-3 and the third driving pulley 10-5, the second driving pulley 10-3 is connected with a first driven pulley 2-3 on the first rotating shaft 2-2 through the second driving belt 10-4, and the third driving pulley 10-5 is connected with a second driven pulley 7-3 on the second rotating shaft 7-2 through the third driving belt 10-6. So arranged, the second driving assembly 10 is used for driving the first driven pulley 2-3 on the first rotating shaft 2-2 and the second driven pulley 7-3 on the second rotating shaft 7-2. Other compositions and connection relationships are the same as in the first, second, third, fourth, fifth or sixth embodiment.

A bearing is arranged between the output shaft of the second motor 10-1 and the rear end face of the driving support box body 11, so that the output shaft of the second motor 10-1 is rotatably connected with the driving support box body 11.

The second driving pulley 10-3 and the third driving pulley 10-5 of the present embodiment are connected to the output shaft of the second motor 10-1 through connecting keys, and the third driving pulley 10-5 is axially positioned to the output shaft of the second motor 10-1 through an end cover.

The specific implementation mode is eight: the primary crushing device of the embodiment further includes two arc-shaped toothed plates 5, two opposite arc-shaped toothed plates 5 are disposed between the first crushing cutter roller assembly 2 and the primary crushing box 1, the outer diameter of the arc-shaped toothed plates 5 is equal to the inner diameter of the primary crushing box 1, and the two arc-shaped toothed plates 5 are detachably connected with the inner wall of the primary crushing box 1 through a plurality of connecting elements, respectively. So set up, arc pinion rack 5 and the cooperation of first crushing rotor assembly 2 realize the primary crushing of material, and through the screw connection between arc pinion rack 5 and the inner wall of primary crushing box 1, the dismouting of being convenient for is changed or is washd other constitutions and relation of connection and embodiment one, two, three, four, five, six or seven the same.

The specific implementation method nine: referring to fig. 1, the embodiment is described, wherein a plurality of first crushing teeth 5-1 are uniformly distributed on the inner cylindrical surface of the arc-shaped toothed plate 5 of the embodiment in an array manner, a plurality of second crushing teeth 2-4 are arranged on the outer cylindrical surface of the first crushing cutter roller assembly 2 in an array manner, and the direction of the knife points of the second crushing teeth 2-4 is opposite to the direction of the knife points of the first crushing teeth 5-1. So set up, the cooperation of the first tooth 5-1 of smashing on the arc pinion rack 5 and the second tooth 2-4 of smashing on the first knife roller subassembly 2 realizes the primary crushing of material. Other compositions and connection relationships are the same as those in the first, second, third, fourth, fifth, sixth, seventh or eighth embodiment.

The detailed implementation mode is ten: referring to fig. 1, the second crushing cutter roller assembly 7 of the present embodiment is provided with a plurality of third crushing teeth 7-4 on an outer cylindrical surface in an array manner, and a plurality of fourth crushing teeth 8-4 on an outer cylindrical surface of the third crushing cutter roller assembly 8 in an array manner, wherein the tips of the third crushing teeth 7-4 face opposite to the tips of the fourth crushing teeth 8-4, and the second crushing cutter roller assembly 7 rotates in an opposite direction to the third crushing cutter roller assembly 8. So set up, the cooperation of tooth 7-4 is smashed to the third on the second smashes the rotor assembly 7 and smashes tooth 8-4 with the fourth on the rotor assembly 8 to the third, realizes that the second grade of material is smashed. Other compositions and connections are the same as those of the first, second, third, fourth, fifth, sixth, seventh, eighth or ninth embodiments.

Claims

1. The utility model provides a second grade branch rubbing crusher for forestry which characterized in that: the primary crushing device comprises a primary crushing box body (1), a first crushing knife roll component (2), a filter plate (3) and a filter plate mounting rack (4), wherein the primary crushing device comprises a primary crushing box body (1), a first crushing knife roll component (2), the filter plate (3) and a filter plate mounting rack (4), the primary crushing box body (1) is of a cylindrical structure, the primary crushing box body (1) is arranged right above the secondary crushing device, a box top and a box bottom of the primary crushing box body (1) are respectively provided with a first feeding port (1-1) and a first discharging port (1-2) which are opposite along the vertical direction, the feeding component is arranged above the first feeding port (1-1), the filter plate (3) is arranged below the first discharging port (1-2), the filter plate (3) is provided with a plurality of filter holes (3-1) in an array mode, and the filter plate (3) is horizontally mounted on, the first crushing knife roll component (2) is horizontally arranged inside the primary crushing box body (1) along the length direction of the primary crushing box body (1), the front end of the first crushing knife roll component (2) is rotatably connected with the front end surface of the primary crushing box body (1), the rear end of the first crushing knife roll component (2) penetrates through the rear end surface of the primary crushing box body (1) and is rotatably connected with the primary crushing box body (1),

the secondary crushing device comprises a secondary crushing box body (6), a second crushing knife roll component (7) and a third crushing knife roll component (8), the secondary crushing box body (6) is of a hollow cuboid structure, the secondary crushing box body (6) is arranged under the primary crushing box body (1), a second feeding port (6-1) is arranged at the top of the secondary crushing box body (6), the second feeding port (6-1) is opposite to a first discharging port (1-2) of the primary crushing box body (1), a filter plate mounting frame (4) is detachably connected with the lower surface of the top of the secondary crushing box body (6) through a plurality of connecting elements, the second crushing knife roll component (7) and the third crushing knife roll component (8) are horizontally arranged inside the secondary crushing box body (6) along the length direction of the secondary crushing box body (6), the second crushing knife roll component (7) and the third crushing knife roll component (8) are arranged in parallel, the front end of the second crushing knife roll component (7) is rotatably connected with the front end surface of the second-stage crushing box body (6), the rear end of the second crushing knife roll component (7) passes through the rear end surface of the second-stage crushing box body (6) and is rotatably connected with the second-stage crushing box body (6), the front end of the third crushing knife roll component (8) passes through the front end surface of the second-stage crushing box body (6) and is rotatably connected with the second-stage crushing box body (6), the rear end of the third crushing knife roll component (8) is rotatably connected with the rear end surface of the second-stage crushing box body (6),

the driving device comprises a first driving component (9), a second driving component (10) and a driving supporting box body (11), the driving supporting box body (11) is arranged at the left side of the second-stage crushing box body (6), the driving supporting box body (11) is fixedly connected with the second-stage crushing box body (6), the first driving component (9) is arranged in the middle of the driving supporting box body (11), the power output end of the first driving component (9) penetrates through the front end face of the driving supporting box body (11) and is connected with the front end of a third crushing knife roll component (8), the second driving component (10) is arranged at the upper part of the driving supporting box body (11), the power output end of the second driving component (10) penetrates through the rear end face of the driving supporting box body (11) and is respectively connected with the rear end of the first crushing knife roll component (2) and the rear end of the second crushing knife roll component (7),

the lower portion of the right side wall of the second-stage crushing box body (6) is provided with a second discharge port (6-2), the discharge assembly comprises a discharge box body (14), a guide plate (15) and two material plate support frames (16), the guide plate (15) is obliquely arranged below the second crushing cutter roller assembly (7) and the third crushing cutter roller assembly (8), the guide plate (15) is of a rectangular plate-shaped structure, the periphery of the guide plate (15) is in sealing fit with the second-stage crushing box body (6), the guide plate (15) is respectively connected with the left side wall and the right side wall of the second-stage crushing box body (6) through the two material plate support frames (16), the discharge box body (14) is located outside the second-stage crushing box body (6), and the discharge box body (14) is communicated with the second discharge port (6-2).

2. A two-stage branch shredder for forestry according to claim 1, wherein: the feeding assembly comprises a feeding box body (12) and a feeding box cover (13), the longitudinal section of the feeding box body (12) is in an inverted isosceles trapezoid shape, a first opening (12-1) and a second opening (12-2) which are opposite to each other are respectively arranged on the top and the bottom of the feeding box body (12) in the vertical direction, the feeding box cover (13) is arranged above the first opening (12-1), the feeding box cover (13) is detachably connected with the top of the feeding box body (12) through a connecting element, the second opening (12-2) is communicated with the first feeding opening (1-1) of the primary crushing box body (1), and the bottom of the feeding box body (12) is detachably connected with the primary crushing box body (1) through the connecting element.

3. A secondary branch mill for forestry as claimed in claim 1 or 2, wherein: the first crushing knife roll component (2) comprises a first knife roll (2-1), a first rotating shaft (2-2) and a first driven belt wheel (2-3), the first knife roll (2-1) is sleeved on the first rotating shaft (2-2), the front end of the first rotating shaft (2-2) is rotatably connected with the front end face of the primary crushing box body (1), the rear end of the first rotating shaft (2-2) penetrates through the rear end face of the primary crushing box body (1) and is connected with the first driven belt wheel (2-3), and the first rotating shaft (2-2) is rotatably connected with the rear end face of the primary crushing box body (1).

4. A two-stage branch shredder for forestry as claimed in claim 3, wherein: the second crushing knife roll component (7) comprises a second knife roll (7-1), a second rotating shaft (7-2) and a second driven pulley (7-3), the second knife roll (7-1) is sleeved on the second rotating shaft (7-2), the front end of the second rotating shaft (7-2) is rotatably connected with the front end face of the second-stage crushing box body (6), the rear end of the second rotating shaft (7-2) penetrates through the rear end face of the second-stage crushing box body (6) and is connected with the second driven pulley (7-3), and the second rotating shaft (7-2) is rotatably connected with the rear end face of the second-stage crushing box body (6).

5. A forestry secondary branch shredder according to claim 4, wherein: the third crushing knife roll component (8) comprises a third knife roll (8-1), a third rotating shaft (8-2) and a third driven belt wheel (8-3), the third knife roll (8-1) is sleeved on the third rotating shaft (8-2), the front end of the third rotating shaft (8-2) penetrates through the front end face of the second-stage crushing box body (6) and is connected with the third driven belt wheel (8-3), the third rotating shaft (8-2) is rotatably connected with the front end face of the second-stage crushing box body (6), and the rear end of the third rotating shaft (8-2) is rotatably connected with the rear end face of the second-stage crushing box body (6).

6. A forestry secondary branch shredder according to claim 5, wherein: the first driving assembly (9) comprises a first motor (9-1), a first motor support (9-2), a first driving belt wheel (9-3) and a first transmission belt (9-4), the first motor (9-1) is installed in the middle of the driving support box body (11) through the first motor support (9-2), an output shaft of the first motor (9-1) penetrates through the front end face of the driving support box body (11) and is sequentially connected with the first driving belt wheel (9-3), and the first driving belt wheel (9-3) is connected with a third driven belt wheel (8-3) on the third rotating shaft (8-2) through the first transmission belt (9-4).

7. A forestry secondary branch shredder according to claim 6, wherein: the second driving assembly (10) comprises a second motor (10-1), a second motor support (10-2), a second driving pulley (10-3), a second transmission belt (10-4), a third driving pulley (10-5) and a third transmission belt (10-6), the second motor (10-1) is installed at the upper part of the driving support box body (11) through the second motor support (10-2), an output shaft of the second motor (10-1) penetrates through the rear end face of the driving support box body (11) and is respectively connected with the second driving pulley (10-3) and the third driving pulley (10-5), the second driving pulley (10-3) is connected with a first driven pulley (2-3) on the first rotating shaft (2-2) through the second transmission belt (10-4), and the third driving pulley (10-5) is connected with a second rotating shaft (7) through the third transmission belt (10-6) 2) The second driven belt wheel (7-3) is connected.

8. A forestry secondary branch shredder according to claim 7, wherein: the primary crushing device further comprises two arc-shaped toothed plates (5), two opposite arc-shaped toothed plates (5) are arranged between the first crushing knife roller assembly (2) and the primary crushing box body (1), the outer diameter of each arc-shaped toothed plate (5) is equal to the inner diameter of the primary crushing box body (1), and the two arc-shaped toothed plates (5) are detachably connected with the inner wall of the primary crushing box body (1) through a plurality of connecting elements respectively.

9. A two-stage branch shredder for forestry according to claim 8, wherein: a plurality of first crushing teeth (5-1) are uniformly distributed on the inner cylindrical surface of the arc toothed plate (5) in an array mode, a plurality of second crushing teeth (2-4) are arranged on the outer cylindrical surface of the first crushing cutter roller component (2) in an array mode, and the cutter point orientation of the second crushing teeth (2-4) is opposite to that of the first crushing teeth (5-1).

10. A two-stage branch shredder for forestry as claimed in claim 9, wherein: the outer cylindrical surface of the second crushing knife roller component (7) is provided with a plurality of third crushing teeth (7-4) in an array mode, the outer cylindrical surface of the third crushing knife roller component (8) is provided with a plurality of fourth crushing teeth (8-4) in an array mode, the direction of the knife point of the third crushing teeth (7-4) is opposite to that of the knife point of the fourth crushing teeth (8-4), and the rotating direction of the second crushing knife roller component (7) is opposite to that of the third crushing knife roller component (8).