CN221230739U

CN221230739U - Tree branch pulverizer

Info

Publication number: CN221230739U
Application number: CN202323195590.1U
Authority: CN
Inventors: 陈立文; 薛明; 闫伟峰; 王悦檩; 陈刚强; 谭林林
Original assignee: SHANDONG ROADWAY CONSTRUCTION MACHINERY MANUFACTURING CO LTD
Current assignee: SHANDONG ROADWAY CONSTRUCTION MACHINERY MANUFACTURING CO LTD
Filing date: 2023-11-27
Publication date: 2024-06-28
Anticipated expiration: 2033-11-27

Abstract

The utility model relates to a branch crusher, which belongs to the field of crushing devices and comprises a bracket, a feeding mechanism, a branch cutting mechanism and a discharging mechanism, wherein the feeding mechanism comprises a lower feeding mechanism, the lower feeding mechanism and the branch cutting mechanism are respectively hinged on the front side and the rear side of the bracket through a hinge shaft A and a hinge shaft B, and the discharging mechanism is arranged on the output side of the branch cutting mechanism; a first overturning cylinder is connected between the lower feeding mechanism and the bracket and used for driving the lower feeding mechanism to overturn around the hinge shaft A to be in a folded or flat state; a second overturning cylinder is connected between the branch cutting mechanism and the bracket and used for driving the bracket to overturn the feeding mechanism around the hinge shaft B; the utility model can fold and store the feeding mechanism when the branch grinder is idle or needs to be transported by a mobile machine, thereby greatly reducing the size of the whole machine and the occupied space so as to facilitate further transportation.

Description

Tree branch pulverizer

Technical Field

The utility model relates to the technical field of crushing devices, in particular to a branch crusher.

Background

After the branches are sheared, a crushing treatment is often required. The existing branch pulverizer generally comprises a feeding mechanism, a pulverizing mechanism and a discharging mechanism, the whole machine span is long, and the transportation is very inconvenient. In the prior art, the utility model patent with the bulletin number of CN215319312U discloses a wood grinder, a storable mounting frame is arranged at the rear side of a frame, and when the wood grinder works, the mounting frame is unfolded and used for conveying chopped materials, and when the wood grinder is transported, the mounting frame is folded, so that the length of the whole wood grinder is shortened.

However, even though the output side is designed to be in a storable structure, the input end of the device adopts a conveyor belt type structure, so that the whole device is long and narrow in size and occupies a large space. Particularly when the crusher is placed on a mobile machine for transportation, the space is limited, and the transportation size of the crusher needs to be reduced as much as possible. In addition, the crushing mechanism in the branch crusher with a compact structure has the problem of inconvenient maintenance and part replacement.

Disclosure of utility model

Aiming at the defects of the prior art, the utility model provides the branch grinder which is beneficial to reducing the whole size, and has the advantages of convenient maintenance and part replacement.

The technical scheme for solving the technical problems is as follows: the branch grinder is characterized by comprising a bracket, a feeding mechanism, a branch cutting mechanism and a discharging mechanism, wherein the feeding mechanism comprises a lower feeding mechanism, the lower feeding mechanism and the branch cutting mechanism are respectively hinged on the front side and the rear side of the bracket through a hinge shaft A and a hinge shaft B, and the discharging mechanism is arranged on the output side of the branch cutting mechanism;

A first overturning cylinder is connected between the lower feeding mechanism and the bracket and used for driving the lower feeding mechanism to overturn around the hinge shaft A to be in a folded or flat state; a second overturning cylinder is connected between the branch cutting mechanism and the bracket and used for driving the bracket to carry the feeding mechanism to overturn around the hinge shaft B.

Further, the lower feeding mechanism comprises a lower feeding bracket and a lower feeding roller rotatably connected to the lower feeding bracket, and the lower feeding bracket is hinged with the bracket.

Further, one end of the first overturning cylinder is hinged with the lower feeding bracket, and the other end of the first overturning cylinder is hinged with the bracket.

Further, the surface of the lower feeding roller is provided with convex teeth.

Further, the feeding mechanism further comprises an upper feeding mechanism positioned above the lower feeding mechanism, the upper feeding mechanism comprises an upper feeding bracket and an upper feeding roller rotatably connected to the upper feeding bracket, the upper feeding bracket is hinged with the branch cutting mechanism through a hinge shaft B to form a floating structure opposite to the lower feeding mechanism, and a supporting cylinder is connected between the upper feeding bracket and the bracket.

Further, the upper feeding roller surface is provided with convex teeth.

Further, the branch cutting mechanism comprises a branch cutting rack and a cutter structure arranged in the branch cutting rack, one end of the second overturning cylinder is hinged with the branch cutting rack, and the other end of the second overturning cylinder is hinged with the bracket.

Still further, the branch cutting mechanism also comprises a top cover hinged on the branch cutting machine frame and used for covering the cutter structure, and a third overturning cylinder used for driving the top cover to overturn around the hinge shaft of the top cover and the branch cutting machine frame is connected between the top cover and the branch cutting machine frame.

Further, the cutter structure comprises a movable cutter holder, a movable cutter and a fixed cutter, wherein the movable cutter and the fixed cutter are matched with each other, the movable cutter holder is rotationally connected with the branch cutting rack, the movable cutter is connected to the peripheral surface of the movable cutter holder, and the fixed cutter is positioned on the peripheral side of the movable cutter holder and is relatively fixed with the branch cutting rack through the fixed cutter holder.

Further, the discharging mechanism comprises an impeller cover and a discharging impeller rotatably arranged in the impeller cover, a discharging pipe is arranged on the output side of the impeller cover, and a discharging hole is formed in the end portion of the discharging pipe.

The beneficial effects of the utility model are as follows:

1. According to the utility model, through the connection relation between the bracket and the feeding mechanism, the connection relation between the bracket and the branch cutting mechanism and the connection relation between the bracket and the first overturning cylinder, the feeding mechanism can be folded and stored when the branch grinder is idle or needs to be transported by means of a mobile machine, so that the size of the whole machine is greatly reduced, and the occupied space is reduced, so that the branch grinder is convenient to transport further.

2. According to the utility model, the connection relation between the bracket and the feeding mechanism and the connection relation between the bracket and the branch cutting mechanism and the connection relation between the bracket and the second overturning cylinder are further adopted, so that the bracket is driven by the second overturning cylinder to overturn the feeding mechanism around the hinge shaft B when the branch cutting mechanism is required to be maintained, and the maintenance and replacement operation can be conveniently carried out through the input side of the branch cutting mechanism.

3. According to the utility model, the connection relation between the branch cutting machine frame, the top cover and the third overturning cylinder is further adopted, so that when the branch cutting mechanism needs to be maintained, the third overturning cylinder is utilized to drive the top cover to overturn until the cutter structure is exposed, and the maintenance and replacement operation can be conveniently carried out through the top of the branch cutting mechanism.

4. The feeding mechanism further comprises an upper feeding mechanism and a lower feeding mechanism which are matched with each other so as to be convenient for conveying the timber, and in addition, the floating structural design of the upper feeding mechanism can be suitable for the timber with different thickness. The applicability is wide.

Drawings

FIG. 1 is a schematic perspective view of an embodiment of the present utility model;

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

FIG. 3 is a schematic view showing a storage structure according to an embodiment of the present utility model;

in the figure: 1. the feeder comprises a bracket, 2, a feeding mechanism, 201, a lower feeding mechanism, 202, an upper feeding mechanism, 21, a lower feeding mechanism, 22, a lower feeding roller, 23, an upper feeding bracket, 24, an upper feeding roller, 25, a convex tooth, 3, a branch cutting mechanism, 31, a branch cutting rack, 32, a top cover, 33, a movable cutter seat, 34, a movable cutter, 35, a fixed cutter, 36, a fixed cutter seat, 4, a discharging mechanism, 41, an impeller cover, 42, a discharging impeller, 43, a discharging pipe, 44, a discharging port, 51, a first overturning cylinder, 52, a second overturning cylinder, 53, a third overturning cylinder, 54, a supporting cylinder, 61, a hinge shaft A,62, a hinge shaft B and 7.

Detailed Description

The principles and features of the present utility model are described below with reference to the drawings, the illustrated embodiments are provided for illustration only and are not intended to limit the scope of the present utility model.

As shown in fig. 1, the branch crusher of the embodiment comprises a bracket 1, a feeding mechanism 2, a branch cutting mechanism 3 and a discharging mechanism 4, wherein the feeding mechanism 2 comprises a lower feeding mechanism 201, the lower feeding mechanism 201 and the branch cutting mechanism 3 are respectively hinged on the front side and the rear side of the bracket 1 through a hinge shaft a61 and a hinge shaft B62, and the discharging mechanism 4 is arranged on the output side of the branch cutting mechanism 3;

A first overturning cylinder 51 is connected between the lower feeding mechanism 201 and the bracket 1 and is used for driving the lower feeding mechanism 201 to overturn around the hinge shaft A61 to be in a folded or flat state; a second overturning cylinder 52 is connected between the branch cutting mechanism 3 and the bracket 1 and is used for driving the bracket 1 to carry the feeding mechanism 2 to overturn around the hinging shaft B62. The first and second tilt cylinders 51 and 52 of the present embodiment are hydraulic cylinders.

In operation, the lower feeding mechanism 201 is in a flat state, the branches to be crushed are sent into the branch cutting mechanism 3 through the lower feeding mechanism 201 to be crushed, and the crushed branches are discharged through the discharging mechanism 4. When the branch grinder is idle or needs to be transported, the first overturning cylinder 51 drives the lower feeding mechanism 201 to overturn around the hinge shaft A61 to be in a folded state, as shown in FIG. 3, and at the moment, the lower feeding mechanism 201 overturns to be in a vertical state, so that the occupied space is greatly reduced, and transportation by means of mobile machinery is facilitated.

In a preferred embodiment of the present utility model, the lower feeding mechanism 201 comprises a lower feeding bracket 21 and a lower feeding roller 22 rotatably connected to the lower feeding bracket 21, and the lower feeding bracket 21 is hinged to the bracket 1. In this embodiment, the lower feeding roller 22 can be driven by an external force to rotate, and the driving structure is the prior art and will not be described herein. One end of the first overturning cylinder 51 is hinged with the lower feeding bracket 21, and the other end of the first overturning cylinder 51 is hinged with the bracket 1 so as to drive the lower feeding bracket 21 to carry the lower feeding roller 22 for overturning and storing, and branches are placed on the lower feeding roller 22 so as to be fed into the branch cutting mechanism 3. Preferably, the lower feed roll 22 has teeth 25 on its surface to increase the ability to transport wood.

In a preferred embodiment of the present utility model, the feeding mechanism 2 includes an upper feeding mechanism 202 above the lower feeding mechanism 201 in addition to the lower feeding mechanism 201, the upper feeding mechanism 202 includes an upper feeding bracket 23 and an upper feeding roller 24 rotatably connected to the upper feeding bracket 23, and the lower feeding roller 22 can be driven by an external force to perform a rotational movement, and the driving structure thereof is the prior art and will not be repeated here. The upper feeding bracket 23 is hinged with the pruning mechanism 3 through a hinge shaft B62 to form a floating structure relative to the lower feeding mechanism 201, a supporting cylinder 54 is connected between the upper feeding bracket 23 and the bracket 1, and the supporting cylinder 54 adopts a hydraulic cylinder. In use, timber is placed on the lower feed roller 22, and the upper feed roller 24 and the lower feed roller 22 coact to feed timber into the pruning mechanism 3. Preferably, the upper feed roll 24 has teeth 25 on its surface to increase the ability to transport wood.

Wherein, the floating structure design of the upper feeding mechanism 202 can make it suitable for branches with different thickness: when conveying thinner branches, the upper feeding bracket 23 can rotate around the hinge shaft of the upper feeding bracket and the branch cutting mechanism 3 to fall under the action of external force or by utilizing the gravity of the upper feeding bracket, and is pressed on wood; when conveying thicker branches, the upper feed support 23 can be lifted upwards by the support cylinder 54, so that wood can be conveyed through the space between the upper feed roller 24 and the lower feed roller 22. When being stored, the upper feeding bracket 23 can fall towards the branch cutting mechanism 3 under the action of self gravity, and then the first overturning cylinder 51 drives the lower feeding mechanism 201 to overturn around the hinge axis A61 to be in a folded state.

In a preferred embodiment of the present utility model, the pruning mechanism 3 includes a pruning frame 31 and a cutter structure provided inside the pruning frame 31, and the second overturning cylinder 52 is hinged to the pruning frame 31 at one end and the bracket 1 at the other end of the second overturning cylinder 52. When the cutter mechanism needs to be maintained or replaced, the second overturning cylinder 52 can be utilized to drive the bracket 1 to overturn the feeding mechanism 2 along the hinge axis B62 clockwise as shown in fig. 2 until the cutter structure inside the branch cutting rack 31 is exposed, so that the cutter structure can be replaced and maintained through the input side.

In a preferred embodiment of the present utility model, the pruning mechanism 3 further includes a top cover 32 hinged to the pruning stand 31 for covering the cutter structure, a third overturning cylinder 53 for driving the top cover 32 to overturn around its hinge axis (which may be the same as the hinge axis B62) with the pruning stand 31 is connected between the top cover 32 and the pruning stand 31, and the third overturning cylinder 53 adopts a hydraulic cylinder. When the cutter mechanism needs to be maintained or replaced, the third overturning cylinder 53 can also be utilized to drive the top cover 32 to overturn in the anticlockwise direction shown in fig. 2 until the cutter structure inside the branch cutting rack 31 is exposed, so that the cutter structure can be replaced and maintained through the top.

In a preferred embodiment of the present utility model, the cutter structure includes a movable cutter holder 33, a movable cutter 34 and a fixed cutter 35, wherein the movable cutter holder 33 is rotatably connected with the branch cutting frame 31, the movable cutter 34 is connected on the peripheral surface of the movable cutter holder 33, and the fixed cutter 35 is located on the peripheral side of the movable cutter holder 33 and is relatively fixed with the branch cutting frame 31 through the fixed cutter holder 36. The rotating moving knife 34 cooperates with the fixed stationary knife 35 for slicing or shredding the timber as it is conveyed into the pruning stand 31.

In a preferred embodiment of the present utility model, the discharge mechanism 4 may adopt a top-throwing type discharge structure, so as to further reduce the occupied area, and the discharge mechanism comprises an impeller cover 41 and a discharge impeller 42 rotatably installed in the impeller cover 41, wherein a discharge pipe 43 is arranged at the output side of the impeller cover 41, and a discharge port 44 is arranged at the end of the discharge pipe 43. The shredded wood is conveyed by the discharge impeller 42 to the discharge pipe 43 and discharged through the discharge port 44.

Claims

1. The branch grinder is characterized by comprising a bracket (1), a feeding mechanism (2), a branch cutting mechanism (3) and a discharging mechanism (4), wherein the feeding mechanism (2) comprises a lower feeding mechanism (201), the lower feeding mechanism (201) and the branch cutting mechanism (3) are hinged to the front side and the rear side of the bracket (1) through a hinge shaft A (61) and a hinge shaft B (62) respectively, and the discharging mechanism (4) is arranged on the output side of the branch cutting mechanism (3);

A first overturning cylinder (51) is connected between the lower feeding mechanism (201) and the bracket (1) and is used for driving the lower feeding mechanism (201) to overturn around the hinge shaft A (61) to be in a folded or flat state; a second overturning cylinder (52) is connected between the branch cutting mechanism (3) and the bracket (1) and is used for driving the bracket (1) to carry the feeding mechanism (2) to overturn around the hinging shaft B (62).

2. Branch shredder according to claim 1, characterized in that the lower feeding mechanism (201) comprises a lower feeding bracket (21) and a lower feeding roller (22) rotatably connected to the lower feeding bracket (21), the lower feeding bracket (21) being hinged to the bracket (1).

3. Branch shredder according to claim 2, characterized in that the first tilting cylinder (51) is hinged at one end to the lower feed support (21) and the other end of the first tilting cylinder (51) is hinged to the support (1).

4. Branch grinder according to claim 2, characterized in that the lower feed roller (22) has teeth (25) on its surface.

5. Branch shredder according to claim 1 or 2, characterized in that the feeding mechanism (2) further comprises an upper feeding mechanism (202) located above the lower feeding mechanism (201), the upper feeding mechanism (202) comprises an upper feeding bracket (23) and an upper feeding roller (24) rotatably connected to the upper feeding bracket (23), the upper feeding bracket (23) is hinged with the pruning mechanism (3) through a hinge shaft B (62) to form a floating structure relative to the lower feeding mechanism (201), and a supporting cylinder (54) is connected between the upper feeding bracket (23) and the bracket (1).

6. Branch grinder according to claim 5, characterized in that the upper feed roller (24) has teeth (25) on its surface.

7. Branch grinder according to claim 1, characterized in that the branch cutting mechanism (3) comprises a branch cutting frame (31) and a cutter structure arranged inside the branch cutting frame (31), one end of the second overturning cylinder (52) is hinged with the branch cutting frame (31), and the other end of the second overturning cylinder (52) is hinged with the bracket (1).

8. Branch grinder according to claim 7, characterized in that the branch cutting mechanism (3) further comprises a top cover (32) hinged on the branch cutting frame (31) for covering the cutter structure, a third tilting cylinder (53) for driving the top cover (32) to tilt around its hinge axis with the branch cutting frame (31) being connected between the top cover (32) and the branch cutting frame (31).

9. Branch grinder according to claim 7 or 8, characterized in that the cutter structure comprises a movable cutter holder (33), a movable cutter (34) and a fixed cutter (35) which are mutually matched, the movable cutter holder (33) is rotationally connected with the branch cutting machine frame (31), the movable cutter (34) is connected on the peripheral surface of the movable cutter holder (33), and the fixed cutter (35) is positioned on the peripheral side of the movable cutter holder (33) and is relatively fixed with the branch cutting machine frame (31) through the fixed cutter holder (36).

10. Branch shredder according to claim 1, characterized in that the discharge means (4) comprises an impeller housing (41) and a discharge impeller (42) rotatably mounted in the impeller housing (41), the output side of the impeller housing (41) being provided with a discharge pipe (43), the discharge pipe (43) having a discharge opening (44) at the end.