CN218308361U - Flail knife and garbage breaking and separating machine - Google Patents

Abstract

The utility model provides a flail knife and broken extension of rubbish. The flail knife comprises a flail knife body and a beating block, wherein the beating block is located at the end of the flail knife body, the end, deviating from the beating block, of the flail knife body is provided with a mounting hole, the side face of the beating block is provided with a grinding part, and the grinding part extends towards the direction deviating from the beating block. The utility model discloses the accessible mounting hole will get rid of the sword and install on the rotation axis, and the rotatory sword that drives through the rotation axis is beaten rubbish, accomplishes the crushing work of rubbish, and simultaneously, the portion of grinding on the side of the piece is beaten in the beating of getting rid of the sword can form protruding structure on the side of beating the piece to beating the side of piece and forming the mat surface, can advance to grind rubbish, when guaranteeing that rubbish is broken, promote the degree of completion that rubbish ground formation thick liquids, and then promote refuse treatment's efficiency.

Description

Flail knife and garbage breaking and separating machine

Technical Field

The utility model relates to a refuse handling installation technical field particularly, relates to a knife and broken extension of rubbish.

Background

With the wide popularization of garbage classification, the importance of garbage treatment, especially the treatment of household garbage, is gradually highlighted.

At present, the crushing and grinding of rubbish is generally accomplished to the mode that traditional broken extension of rubbish adopted the rotary main shaft to drive the flail knife rotation to hit, and although this kind of mode can accomplish the crushing work of rubbish to a certain extent, still has the not high problem of the completion degree that rubbish ground and form thick liquids, needs to carry out the secondary treatment of rubbish to lead to the efficiency of refuse treatment to reduce.

SUMMERY OF THE UTILITY MODEL

The utility model provides a problem how to improve the completion degree that rubbish ground formed thick liquids to promote refuse treatment's efficiency.

In order to solve the problem, on the one hand, the utility model provides a flail knife, hit the piece including the flail knife body with hitting, hit and hit the piece and be located the tip of flail knife body, the flail knife body deviates from the tip of hitting the piece is equipped with the mounting hole, the side of hitting the piece is equipped with grinding portion, grinding portion orientation deviates from hit the direction extension of hitting the piece.

Optionally, an included angle between the side surface of the striking block and the end surface of the striking block, which is away from the flail knife body, is a preset angle, and the preset angle is an obtuse angle or an acute angle.

Optionally, the grinding part comprises a plurality of block-shaped structures, the block-shaped structures are uniformly arranged on the side surface of the striking block, the projection of the block-shaped structures on the striking block is a first preset shape, and the first preset shape is a circle or a polygon.

Optionally, the projection of the block structure on the striking block includes a first projection and a second projection, the first projection covers the second projection, wherein the first projection is a projection of the end surface of the block structure facing the striking block on the striking block, and the second projection is a projection of the end surface of the block structure facing away from the striking block on the striking block.

Optionally, the side surface of the striking block extends in a direction away from the flail knife body to form a striking extension portion, and a transition arc is arranged between the striking extension portion and the flail knife body.

Optionally, a projection of the striking block on an end surface of the flail knife body facing the striking block is a second preset shape, and the second preset shape is a parallelogram or a rectangle.

Optionally, an end of the flail knife body, which is away from the striking block, is of a cambered surface structure matched with the mounting hole, and reinforcing layers are arranged on the surfaces of the flail knife body and the striking block.

Optionally, the flail knife body is towards be equipped with the spread groove on hitting the terminal surface of beating the piece, beat the piece orientation be equipped with the connecting block on the terminal surface of flail knife body, the connecting block is used for installing in the spread groove, just the side of connecting block with all be equipped with corresponding connecting hole on the side of spread groove, the connecting hole is used for penetrating the mounting.

Compared with the prior art, the beneficial effects of the utility model include: the end part of the flail knife body is provided with the striking block, and meanwhile, the end part of the flail knife body, which is far away from the striking block, is provided with the mounting hole, so that the flail knife body can be mounted on the rotating shaft, the flail knife body is driven to rotate through the rotation of the rotating shaft, the striking block on the flail knife body collides with garbage to be crushed, the garbage is struck to be crushed, and the garbage is crushed, so that the garbage crushing work is completed; simultaneously, through set up grinding part on hitting the side of beating the piece, and grinding part orientation deviates from the direction extension of beating the piece, can form protruding structure on beating the side of beating the piece to form the mat surface in the side of beating the piece, beating the piece and beating when beating rubbish, contact surface when improving the breakage reaches the effect of grinding rubbish, when guaranteeing that rubbish is broken, promotes the completion degree that rubbish ground formation thick liquids, and then promotes refuse treatment's efficiency.

On the other hand, the utility model provides a including the rotation axis with as above the flail sword, the mounting hole of flail sword is installed on the rotation axis.

Optionally, the rotation axis includes rotating spindle, installation sleeve and installation pole, the installation sleeve is installed rotating spindle is last, be provided with on the terminal surface of installation sleeve with the installation through-hole that rotating spindle parallels, the installation through-hole is followed rotating spindle's circumference is equidistant to be set up and is used for penetrating the installation pole, evenly be equipped with the installation trench on the installation sleeve side, the flail knife is used for arranging in the installation trench just the installation through-hole with the installation hole is corresponding.

Compared with the prior art, the beneficial effects of the utility model include: the flail knife is installed on the rotating shaft through the installation hole, the rotating shaft can drive the flail knife to hit garbage, meanwhile, the grinding portion on the side face of the beating block of the flail knife can grind the garbage, the garbage is broken, the completion degree of slurry formed by grinding the garbage is improved, and the garbage treatment efficiency is improved.

Drawings

Fig. 1 is a schematic structural view of a flail knife according to an embodiment of the present invention;

FIG. 2 is a front view of a flail knife according to an embodiment of the present invention;

fig. 3 is a left side view of a flail knife according to an embodiment of the present invention;

FIG. 4 is a schematic structural view of a flail knife according to another embodiment of the present invention;

FIG. 5 is a front view of a flail knife according to another embodiment of the present invention;

FIG. 6 is a left side view of a flail knife according to another embodiment of the present invention;

FIG. 7 is a schematic view of a flail knife according to another embodiment of the present invention;

FIG. 8 is a front view of a flail knife in accordance with another embodiment of the present invention;

FIG. 9 is a left side view of a flail knife according to yet another embodiment of the present invention;

FIG. 10 is a front view of a throw-away according to yet another embodiment of the present invention;

FIG. 11 is a left side view of a connection of a flail knife according to yet another embodiment of the present invention;

fig. 12 is a front view of a rotating shaft according to an embodiment of the present invention;

fig. 13 is a left side view of a rotating shaft according to an embodiment of the present invention.

Description of reference numerals:

1-flail knife body; 11-mounting holes; 12-a transition arc; 13-connecting grooves; 2-hitting a block; 21-a grinding section; 22-a striking extension; 23-connecting blocks; 24-a connection hole; 3-a fixing piece; 4-a rotation axis; 41-rotating the main shaft; 42-mounting the sleeve; 43-mounting a rod; 44-installation slot position.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention more comprehensible, embodiments accompanied with figures are described in detail below.

It should be noted that the terms "first," "second," and the like in the description and claims of the present invention and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the invention described herein are capable of operation in sequences other than those illustrated or otherwise described herein.

In order to solve the problem, on the one hand, the embodiment of the utility model provides a flail knife, include flail knife body 1 and hit piece 2, hit and beat the tip that piece 2 is located flail knife body 1, flail knife body 1 deviates from the tip that hits piece 2 and is equipped with mounting hole 11, hits the side of hitting piece 2 and is equipped with grinding portion 21, and grinding portion 21 orientation deviates from the direction extension of hitting piece 2.

As shown in fig. 1 to 3, in this embodiment, a striking block 2 is disposed at an end of a flail knife body 1, and a mounting hole 11 is disposed at an end of the flail knife body 1 away from the striking block 2, so that, as shown in fig. 12 and 13, the flail knife body 1 can be mounted on a rotating shaft 4 through the mounting hole 11, the flail knife body 1 is driven to rotate by the rotation of the rotating shaft 4, the striking block 2 on the flail knife body 1 collides with garbage to be crushed, and the garbage is struck to be crushed, thereby completing the garbage crushing work; in addition, set up grinding portion 21 on hitting the side of beating piece 2, and grinding portion 21 orientation deviates from the direction extension of beating piece 2, like this, form protruding structure on beating the side of beating piece 2 to form the rough surface in the side of beating piece 2, when beating piece 2 and beating rubbish on, the contact surface when improving the breakage reaches the effect of grinding rubbish, when guaranteeing that rubbish is broken, promotes the completion degree that rubbish ground and form the thick liquids, and then promotes refuse treatment's efficiency.

It should be noted that, as shown in fig. 1 to fig. 3, in the present embodiment, the grinding portions 21 are disposed on two opposite side surfaces of the striking block 2, and the two side surfaces are side surfaces of the striking block 2 contacting with the garbage when the rotating shaft 4 drives the flail knife body 1 to rotate.

In the present embodiment, in order to enable the flail main body 1 to be used in both the normal rotation and the reverse rotation of the rotating shaft 4, both the flail main body 1 and the striking block 2 are provided with a symmetrical structure.

Optionally, an included angle between the side surface of the striking block 2 and the end surface of the striking block 2 away from the flail knife body 1 is a preset angle, and the preset angle is an obtuse angle or an acute angle.

In order to further improve the cutting effect when the garbage is crushed, as shown in fig. 1 to 3, an included angle between the side surface of the impact block 2 and the end surface of the impact block 2 away from the flail knife body 1 is set as a preset angle, and the preset angle is an obtuse angle or an acute angle, that is, the preset angle is not 0 degree, 90 degrees or 180 degrees, so that when the impact block 2 impacts towards the garbage, the included angle between the contact surface of the impact block 2 and the garbage, that is, the side surface of the impact block 2 and the tangential normal force when the impact block 2 moves, is not 90 degrees, so that the contact area of the impact block 2 and the garbage in unit time is reduced, and meanwhile, the tangential normal force has a component force perpendicular to the contact surface and a component force parallel to the contact surface on the contact surface of the impact block 2 and the garbage, thereby generating a further cutting effect on the garbage.

It should be noted that, in this embodiment, the preset angle is 4 degrees, in the utility model discloses another embodiment, can also adjust the numerical value of preset angle as required.

Alternatively, the grinding part 21 comprises a plurality of block-shaped structures, the block-shaped structures are uniformly arranged on the side surface of the striking block 2, and the projection of the block-shaped structures on the striking block 2 is a first preset shape, and the first preset shape is a circle or a polygon.

As shown in fig. 1 to 3, in the present embodiment, the grinding portion 21 is formed on the side surface of the impact block 2 by a plurality of block structures, and the projection of the block structures on the impact block 2 is a first preset shape, such as a circle and a polygon, so that a plurality of structures, such as a cylinder or a prism, are uniformly distributed on the side surface of the impact block 2, when the impact block 2 impacts on garbage, gaps exist between the block structures, and the block structures have a length in a direction towards the garbage, so that a bidirectional cutting force is generated at the edge of the block structures, thereby achieving an effect of crushing the garbage and achieving a purpose of improving the completeness of grinding the garbage into slurry.

In contrast to the above-described exemplary embodiment, the projection of the block-shaped structure onto the striking block 2 includes a first projection and a second projection, the first projection overlapping the second projection, the first projection being the projection of the end face of the block-shaped structure facing the striking block 2 onto the striking block 2, and the second projection being the projection of the end face of the block-shaped structure facing away from the striking block 2 onto the striking block 2.

As shown in fig. 4 to 6, in the present embodiment, the width of the block structure may be set to be the same as the width of the impact block 2, such that when the area of the first projection is equal to the area of the second projection, the grinding part 21 is formed by a plurality of strip structures formed by extending the block structure and arranged at intervals on the side surface of the impact block 2, wherein the strip structures are structures such as quadrangular or cylindrical, such that, when the impact block 2 impacts on the garbage, one end of the strip structures facing the garbage also generates impact effect on the garbage, and at the same time, gaps exist between the strip structures, and a pulling force is generated between a portion of the garbage contacting the strip structures and a portion entering the gaps, thereby achieving the effect of tearing the garbage, and further improving the completeness of grinding the garbage into slurry; when the area of first projection is greater than the area of second projection, the bar structure is like triangular prism or structure such as boss, like this, hits when hitting piece 2 and hit on rubbish, and grinding portion 21 is less towards the terminal surface of rubbish and the contact surface of rubbish, and increase grinding portion 21 is to the tearing effect of rubbish, further promotes the completion degree of the grinding slurrying of rubbish.

Optionally, the side surface of the striking block 2 extends towards the direction away from the flail knife body 1 to form a striking extension 22, and a transition arc 12 is arranged between the striking extension 22 and the flail knife body 1.

In order to further improve the crushing effect of the striking block 2, as shown in fig. 4 to 6, in this embodiment, the side surface of the striking block 2 extends towards a direction away from the flail knife body 1 to form a striking extension portion 22, so that the striking extension portion 22 and the striking block 2 form a hammer-head-shaped structure at the end of the flail knife body 1 together, the edge of the striking extension portion 22 is easy to strike and tear garbage, the garbage crushing effect is improved, meanwhile, the flail knife body 1 is not easy to collide with the garbage, and the service life of the flail knife body 1 is prolonged. In addition, in order to prevent cracks from being generated between the flail knife body 1 and the striking extension portion 22 when garbage is struck and influence the service life of the flail knife, in the embodiment, a transition arc 12 is further formed between the striking extension portion 22 and the flail knife body 1, so that stress concentration between the striking extension portion 22 and the flail knife body 1 is avoided.

It should be noted that, as shown in fig. 4 to 6, in the present embodiment, the striking extensions 22 are located on two side surfaces of the striking block 2 facing away from each other, and face the moving direction of the flail knife body 1 when the garbage is broken. In other embodiments of the present invention, the number and position of the striking extensions 22 can be adjusted as desired.

Optionally, a projection of the striking block 2 on the end surface of the flail knife body 1 facing the striking block 2 is a second preset shape, and the second preset shape is a parallelogram or a rectangle.

As shown in fig. 4, in the present embodiment, a projection of the striking block 2 on an end surface of the flail knife body 1 facing the striking block 2 is a second preset shape, wherein the second preset shape is a rectangle, so that when the striking block 2 strikes the garbage, a hammering effect is better.

In the utility model discloses an in other embodiments, as shown in fig. 7, the shape is predetermine to the second and is parallelogram, like this, hits when hitting the piece 2 and hit to rubbish, its edge produces two not equidirectional hitting power of hitting to rubbish to tear rubbish more easily, promote the breakage and the grinding effect of rubbish.

Optionally, the end of the flail knife body 1 away from the striking block 2 is of a cambered surface structure matched with the mounting hole 11, and reinforcing layers are arranged on the surfaces of the flail knife body 1 and the striking block 2.

In order to ensure the operation stability of the flail knife body 1, as shown in fig. 6 and 12, when the flail knife body 1 is driven by the rotating shaft 4 to rotate, the end of the flail knife body 1 facing the rotating shaft 4 is easily interfered with the rotating shaft 4, in this embodiment, the end of the flail knife body 1 facing the rotating shaft 4 is set to be a cambered surface structure matched with the radian of the mounting hole 11, so that the flail knife body 1 is not easily interfered with the rotating shaft 4 when rotating around the mounting hole 11; meanwhile, in order to prevent the flail knife body 1 from being damaged when colliding with the rotating shaft 4, transition fillets are arranged on the side edges of the flail knife body 1, and the pressure intensity during collision is reduced; in addition, in order to prolong the service life of the flail knife, reinforcing layers are arranged on the surfaces of the flail knife body 1 and the beating block 2. Of course, a corresponding reinforcing layer can also be provided in the grinding section 21.

In the embodiment, the strengthening layer is formed by nitriding the surfaces of the flail knife body 1 and the beating block 2, wherein the nitriding depth is 0.05-0.1 mm, and the nitriding thickness is 0.2-0.4 mm, so that the overall wear resistance of the flail knife is further enhanced, and the service life is prolonged by 4-6 times. In other embodiments of the present invention, the reinforcement layer may also be formed by heat treatment or may consist of an alloy reinforcement layer.

In this embodiment, in order to enhance the structural strength of the mounting hole 11 and ensure the stability when the flail knife body 1 is connected to the rotating shaft 4, the mounting hole 11 is subjected to high-frequency quenching heat treatment to increase the hardness and wear resistance.

Different from the above embodiment, the flail knife body 1 is provided with the connecting groove 13 on the end surface facing the striking block 2, the striking block 2 is provided with the connecting block 23 on the end surface facing the flail knife body 1, the connecting block 23 is used for being installed in the connecting groove 13, the side surface of the connecting block 23 and the side surface of the connecting groove 13 are provided with corresponding connecting holes 24, and the connecting holes 24 are used for penetrating into the fixing member 3.

In order to improve the convenience and the universality of the flail knife and ensure the structural stability of the flail knife, in the embodiment, as shown in fig. 8 to 11, a connecting groove 13 is arranged on the end surface of the flail knife body 1 facing the striking block 2, and a connecting block 23 is arranged on the end surface of the striking block 2 facing the flail knife body 1, so that the connecting block 23 on the striking block 2 is arranged in the connecting groove 13 of the flail knife body 1, the striking block 2 can be tightly attached to the flail knife body 1 to form a complete flail knife, so that the striking blocks 2 of different models can be detachably connected to the flail knife body 1, and of course, the flail knife body 1 can be made into various models to meet the size requirements of the flail knives of different models and enhance the universality; meanwhile, corresponding connecting holes 24 are formed in the connecting groove 13 and the connecting block 23, and the fixing piece 3 penetrates through the connecting holes 24 to achieve stable connection between the striking block 2 and the flail knife body 1.

It should be noted that, as shown in fig. 8 and 9, in this embodiment, the connection groove 13 is a dovetail groove, and the connection block 23 is a matched wedge-shaped block, so that in the rotation process of the flail, the stability of the connection position between the striking block 2 and the flail body 1 is ensured in any direction, and the structural stability of the flail is improved.

It should be noted that the fixing member 3 may be an insertion type fixing structure such as a pin or a screw. Of course, the connecting hole 24 may be a square hole or a circular hole.

On the other hand, the embodiment of the utility model also provides a rubbish splitting machine, including rotation axis 4 and as above-mentioned flail knife, the mounting hole 11 of flail knife is installed on rotation axis 4.

As shown in fig. 12 and 13, in the present embodiment, the flail knife is installed on the rotating shaft 4 through the installation hole 11, the rotation of the rotating shaft 4 drives the flail knife to hit the garbage, and meanwhile, the grinding portion 21 on the side surface of the hitting block 2 of the flail knife grinds the garbage, so as to ensure that the garbage is broken, and at the same time, the completion degree of grinding the garbage into slurry is improved, and further the efficiency of garbage disposal is improved.

Optionally, the rotating shaft 4 includes a rotating main shaft 41, a mounting sleeve 42 and a mounting rod 43, the mounting sleeve 42 is mounted on the rotating main shaft 41, mounting through holes parallel to the rotating main shaft 41 are provided on an end surface of the mounting sleeve 42, the mounting through holes are arranged at equal intervals along the circumferential direction of the rotating main shaft 41 and are used for penetrating the mounting rod 43, mounting slots 44 are uniformly provided on the side surface of the mounting sleeve 42, and the flail knife is used for being placed in the mounting slots 44 and the mounting through holes correspond to the mounting holes 11.

As shown in fig. 12 and 13, a plurality of mounting rods 43 parallel to the mounting sleeve 42 are arranged at equal intervals along the circumferential direction of the rotating main shaft 41 and penetrate into the mounting through holes, the end of the flail knife body 1 is arranged in the mounting groove 44, the mounting hole 11 corresponds to the mounting through hole, the mounting rod 43 penetrates into each mounting through hole, and meanwhile, the mounting rod 43 penetrates through the mounting hole 11, so that the mounting of the flail knife on the rotating shaft 4 is completed, the mounting process is simple and convenient, and the later maintenance and replacement are facilitated.

It should be noted that, in this embodiment, the width of the installation slot is greater than the end of the flail knife body 1, so that when the hitting block 2 of the flail knife hits the rebounding of the hard garbage, the flail knife body 1 has a motion space, and the flail knife body 1 is not easily damaged.

Although the present disclosure has been described above, the scope of the present disclosure is not limited thereto. Various changes and modifications may be made by those skilled in the art without departing from the spirit and scope of the present disclosure, and these changes and modifications are intended to fall within the scope of the present disclosure.

Claims (10)

1. The utility model provides a flail knife, its characterized in that, includes flail knife body (1) and hits piece (2), hit and beat piece (2) and be located the tip of flail knife body (1), flail knife body (1) deviates from the tip of hitting piece (2) is equipped with mounting hole (11), the side of hitting piece (2) is equipped with grinding portion (21), grinding portion (21) orientation deviates from the direction of hitting piece (2) extends.

2. The flail knife according to claim 1, characterized in that the included angle between the side of the striking block (2) and the end face of the striking block (2) facing away from the flail knife body (1) is a preset angle, which is an obtuse angle or an acute angle.

3. The flail knife according to claim 1, characterized in that the grinding section (21) comprises a plurality of block-shaped structures, which are uniformly arranged on the side of the striking block (2), the projection of which on the striking block (2) is of a first predetermined shape, which is circular or polygonal.

4. The flail knife according to claim 3, characterized in that the projection of the block-shaped structure on the striking block (2) comprises a first projection and a second projection, the first projection covering the second projection, wherein the first projection is the projection of the end face of the block-shaped structure facing towards the striking block (2) on the striking block (2) and the second projection is the projection of the end face of the block-shaped structure facing away from the striking block (2) on the striking block (2).

5. The flail according to any one of claims 1 to 4, characterized in that the side of the striking block (2) extends away from the flail body (1) forming a striking extension (22), and a transition arc (12) is provided between the striking extension (22) and the flail body (1).

6. The flail knife according to claim 1, characterized in that the projection of the striking block (2) on the end face of the flail knife body (1) facing the striking block (2) is of a second predetermined shape, which is a parallelogram or a rectangle.

7. The flail knife according to claim 1, characterized in that the end of the flail knife body (1) away from the striking block (2) is of an arc structure matched with the mounting hole (11), and reinforcing layers are arranged on the surfaces of the flail knife body (1) and the striking block (2).

8. The flail knife according to any one of claims 1 to 4, 6 and 7, characterized in that a connecting groove (13) is arranged on the end surface of the flail knife body (1) facing the striking block (2), a connecting block (23) is arranged on the end surface of the striking block (2) facing the flail knife body (1), the connecting block (23) is used for being installed in the connecting groove (13), corresponding connecting holes (24) are arranged on the side surface of the connecting block (23) and the side surface of the connecting groove (13), and the connecting holes (24) are used for penetrating into a fixing member (3).

9. A waste crusher, characterized by comprising a rotating shaft (4) and a flail knife according to any of claims 1-8, the mounting hole (11) of the flail knife being mounted on the rotating shaft (4).

10. The garbage crusher according to claim 9, wherein the rotating shaft (4) comprises a rotating main shaft (41), a mounting sleeve (42) and a mounting rod (43), the mounting sleeve (42) is mounted on the rotating main shaft (41), mounting through holes parallel to the rotating main shaft (41) are formed in an end face of the mounting sleeve (42), the mounting through holes are arranged at equal intervals along the circumferential direction of the rotating main shaft (41) and are used for penetrating through the mounting rod (43), mounting groove positions (44) are uniformly formed in side faces of the mounting sleeve (42), the flail knife is used for being placed in the mounting groove positions (44), and the mounting through holes correspond to the mounting holes (11).

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