CN113731583A

CN113731583A - Flail knife assembly and battery crushing device comprising same

Info

Publication number: CN113731583A
Application number: CN202111013785.2A
Authority: CN
Inventors: 钟彬
Original assignee: Luyue Automation Technology Shanghai Co ltd
Current assignee: Luyue Automation Technology Shanghai Co ltd
Priority date: 2021-08-31
Filing date: 2021-08-31
Publication date: 2021-12-03
Anticipated expiration: 2041-08-31
Also published as: CN113731583B

Abstract

The invention relates to a flail knife assembly and a battery crushing device comprising the same, and belongs to the technical field of battery recycling treatment. The flail knife assembly comprises a base, a rotating shaft and a rotating shaft, wherein the base comprises two end plates and a plurality of knife shafts, and two ends of each knife shaft are respectively connected with the two end plates in a penetrating way; the cutter comprises a plurality of cutter shafts, at least one cutter blade penetrates through each cutter shaft, the cutter blades penetrating through two adjacent cutter shafts are distributed in a staggered mode, and the cutter blades are set to rotate around the cutter shafts penetrating through the cutter blades in a follow-up mode. The battery crushing device comprises a shell, a crushing mechanism and a control mechanism, wherein the shell is provided with a cavity for crushing a battery, and the shell is provided with a flip cover which can be opened and closed; the flail knife component is rotatably erected in the cavity through the main shaft; the screen is arranged in the cavity and positioned below the flail knife assembly; the feeder hopper is connected to the top of casing, goes out the hopper, connects in the bottom of casing. The flail knife component realizes uniform crushing by distributing the blades in a staggered way; the battery crushing device can realize single replacement operation of the screen by arranging the turnover cover.

Description

Flail knife assembly and battery crushing device comprising same

Technical Field

The invention relates to the technical field of battery recycling, in particular to a flail knife assembly and a battery crushing device comprising the flail knife assembly.

Background

With the great background of continuous research and development of modern new energy, electric energy is widely concerned by society as a main promotion item of new energy development, and particularly electric automobiles are widely popularized, so that the difficulty of disassembling a large number of useless batteries in the following process is caused. In order to enable the sustainable development of batteries, domestic enterprises make a large amount of capital investment on waste battery disassembling mechanical equipment, and a battery crusher is important waste battery disassembling mechanical equipment and is used for crushing batteries at a certain price so as to collect black powder subsequently.

At present, a battery crusher is generally large in size in order to break up and crush a collection of batteries, and the main function of the battery crusher is to crush the batteries into small particles that can fall down through a screen by repeatedly crushing the batteries many times. However, the materials can fall from the sieve holes in a qualified size after repeated reciprocating, so that the materials on the sieve are often piled up too much, and the sieve is easy to block and limited in material passing capacity in the past, so that the sieve needs to be replaced frequently. However, because the battery crusher is large in size, when the screen is replaced, the battery crusher needs to be separated from the top down by means of the crane, the operation is very troublesome, and the operation needs to be completed by cooperation of multiple persons, so that the time and the labor are wasted.

Disclosure of Invention

The invention aims to solve the problems and provides a flail knife assembly and a battery crushing device comprising the flail knife assembly.

The purpose of the invention is realized as follows:

a flail knife assembly comprising:

the base comprises two end plates and a plurality of cutter shafts, and two ends of each cutter shaft are respectively connected with the two end plates in a penetrating way;

the cutter comprises a plurality of cutter shafts, wherein each cutter shaft is provided with at least one cutter blade in a penetrating manner, the cutter blades penetrating through the adjacent two cutter shafts are distributed in a staggered manner, and the cutter blades are only arranged to rotate around the cutter shafts penetrated through the cutter blades in a follow-up manner.

Preferably, the base further comprises a reinforcing plate, the reinforcing plate is penetrated by the cutter shafts and is arranged between the two end plates along a direction parallel to the end plates;

the cutter shaft is also sleeved with a sleeve pipe with the length shorter than that of the cutter shaft;

the blades penetrate through the same cutter shaft, and are positioned and isolated through the reinforcing plate and/or the sleeve.

Preferably, the end plate and the reinforcing plate are circular sheet plates, and the cutter shafts are uniformly distributed along the circumferential direction of the end plate and are close to the outer circumferential edge of the end plate.

The invention also discloses a battery crushing device, which comprises:

the battery crushing device comprises a shell, a handle, a clamping device and a control device, wherein the shell is provided with a cavity for crushing a battery, the shell is provided with a flip cover which can be opened and closed, and the first side edge of the flip cover is rotationally connected to the shell;

the flail knife assembly is erected in the cavity through a main shaft, and the main shaft rotates to drive the flail knife assembly to rotate in the cavity;

the screen is arranged in the cavity and is positioned below the flail knife assembly;

the feed hopper is connected to the top of the shell, and a feed channel of the feed hopper is communicated with the cavity;

the discharge hopper is connected to the bottom of the shell, a discharge channel of the discharge hopper is communicated with the cavity, the discharge hopper is located below the screen, and a discharge port of the discharge hopper faces downwards.

Preferably, a driving member is connected between the flip cover and the housing, and the driving member is used for driving the flip cover to rotate along a connection position of the flip cover and the housing, so that the flip cover is switched between a closed state and an open state;

a rotating lock hook is arranged at the second side edge of the flip cover, and a flange which is turned outwards is arranged at the edge of the shell opposite to the second side edge of the flip cover; when the flip cover is covered on the first side of the flanging, the lock hook is rotated to be matched and abutted with the second side of the flanging, so that the flip cover is locked in a covering state; the second side edge of the flip cover and the first side edge of the flip cover are arranged away from each other, and the second side of the flip cover and the first side of the flip cover are arranged in a back-to-back mode.

Preferably, bearing supporting seats are respectively arranged on two sides of the shell, water-cooling bearing seats are respectively arranged on the bearing supporting seats, two ends of the main shaft respectively penetrate through two sides of the shell and penetrate through the bearing supporting seats on the two sides of the shell, at least one end of the main shaft is connected with a driving mechanism, and the driving mechanism is used for driving the main shaft to rotate; and/or the presence of a gas in the gas,

and the dynamic sealing oil seal is arranged on the main shaft between the water-cooling bearing seat and the shell and used for sealing the penetrating position of the main shaft penetrating through the shell.

Preferably, the feed inlet of the feed hopper is arranged in a non-upward direction;

a first splash baffle and a second splash baffle are arranged in the feeding channel below the feeding hole; the first splash baffle is obliquely and downwards arranged from the inner wall of the feed hopper close to the feed inlet to the interior of the feed channel, and one end of the first splash baffle, far away from the feed inlet, is not connected with the inner wall of the feed hopper; second splashproof is from keeping away from the feed inlet the inner wall of feeder hopper sets up downwards towards the inside slope of feedstock channel, first splashproof is close to the one end of feed inlet with the inner wall of feeder hopper does not meet, and is located first splashproof is kept away from the below of the one end of feed inlet.

Preferably, a first guide plate and a second guide plate are arranged in the cavity, the first guide plate and the second guide plate are respectively located below the screen and are respectively arranged from the inner side walls on two opposite sides of the cavity to the inside of the cavity in an inclined downward manner, and the ends, close to the first guide plate and the second guide plate, of the first guide plate and the second guide plate do not intersect.

Preferably, the screen cloth is set to be a semicircular arc shape, two end parts of the screen cloth along the axial direction are not higher than the horizontal symmetrical plane of the main shaft, and the screen cloth and the flail knife assembly are arranged at intervals, so that the blade does not touch the screen cloth when rotating.

Preferably, the device further comprises a frame, and the shell is arranged on the frame so that the discharge hole is suspended.

The invention has the beneficial effects that: the flail knife assembly enables the blades on the adjacent cutter shafts not to interfere with each other when rotating by distributing the adjacent blades in a staggered manner, and meanwhile, the movement tracks of the blades on the adjacent cutter shafts are not repeated, so that the effect of uniform crushing is achieved; the battery crushing device can realize single replacement operation of the screen without adding extra operation equipment by arranging the turnover cover.

Drawings

FIG. 1 is a schematic diagram of a battery crushing apparatus according to an embodiment of the present invention;

FIG. 2 is a side view of FIG. 1;

FIG. 3 is a schematic view of an embodiment of a flail knife assembly of the present invention;

fig. 4 is a side view of fig. 3.

Description of reference numerals:

1-a shell;

11-a cavity; 12-flanging; 13-bearing support seats; 14-water-cooling the bearing seat; 15-a first guide plate; 16-second guide plate

2-a flail knife assembly;

21-a base; 211-end plate; 212-a cutter shaft; 213-a reinforcing plate; 214-a cannula; 22-a blade;

3-screening a screen;

4-a feed hopper;

41-a feed inlet; 42-a first splash guard; 43-a second splash guard;

5-discharging hopper;

51-a discharge port;

6-a frame;

7-turning over the cover;

71-latch hook;

8-a main shaft;

9-a driving mechanism.

Detailed Description

Various embodiments of the present invention will be described with reference to the accompanying drawings. In the specification and drawings, elements having similar structures or functions will be denoted by the same reference numerals. It is to be understood that the drawings are for purposes of illustration and description only and are not intended as a definition of the limits of the invention. The dimensions shown in the figures are for clarity of description only and are not intended to be limiting, nor are they intended to be exhaustive or to limit the scope of the invention.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.

The invention discloses a battery crushing device. Fig. 1 and fig. 2 are schematic structural views showing an embodiment of the battery crushing apparatus according to the present invention.

As shown in fig. 1 and 2, the battery crushing apparatus mainly includes a housing 1, a flail knife assembly 2, a screen 3, a feed hopper 4, and a discharge hopper 5.

Wherein, casing 1 has a cavity 11 that is used for carrying out the broken operation to the battery, is equipped with flip 7 that can open and shut on casing 1, and flip 7's first side border rotates to be connected in casing 1, so sets up, can make things convenient for operating personnel to open flip 7, changes screen cloth 3 in the casing 1. The flail knife component 2 is erected in the cavity 11 through the main shaft 8, and the main shaft 8 rotates to drive the flail knife component 2 to rotate in the cavity 11, so that the materials in the cavity 11 are crushed. The screen 3 is arranged in the cavity 11 and is positioned below the flail knife assembly 2, so that the material can fall off only when being smashed to the particle size meeting the composite requirement, and the subsequent operation of the material is facilitated. The feed hopper 4 is connected to the top of the housing 1, and a feed passage of the feed hopper 4 is communicated with the cavity 11 for placing the material into the cavity 11. Go out hopper 5 and connect in the bottom of casing 1, and go out the discharging channel of hopper 5 and communicate with each other with cavity 11, go out hopper 5 and be located the below of screen cloth 3, go out the discharge gate 51 of hopper 5 down for accept from the screen cloth 3 dropped by the graininess material of being broken into.

In other embodiments, the flip 7 is convenient for an operator to open, and a driving member is connected between the flip 7 and the housing 1, and the driving member is used for driving the flip 7 to rotate along a connection position of the flip 7 and the housing 1, so that the flip 7 is switched between a closed state and an open state. Since the inside of the housing 1 is the cavity 11 for performing the crushing operation on the material (waste battery), and a certain damage may be generated to the components inside the cavity 11 during the operation process, the driving member is preferably installed outside the housing 1, and specifically, a driving member such as an air cylinder, an air spring, and the like, which can pull the flip cover 7, may be adopted.

Because the driving piece can open the turning cover 7, and the turning cover 7 must be kept in a covering state when the device is used for crushing, a rotating locking hook 71 is arranged at the second side edge of the turning cover 7, and a flange 12 which is turned outwards is arranged at the edge of the shell 1 opposite to the second side edge of the turning cover 7; when the flip cover 7 covers the first side of the turned edge 12, the locking hook 71 is rotated to be matched and abutted with the second side of the turned edge 12, so that the flip cover 7 is locked in a covering state; the second side edge of the flip 7 and the first side edge of the flip 7 are relatively far away from each other, and the second side of the flange 12 and the first side of the flange 12 are opposite to each other.

Fig. 3 and fig. 4 are schematic structural diagrams illustrating an embodiment of the flail knife assembly 2 according to the present invention. As shown in fig. 3 and 4, the flail assembly 2 includes a base 21 and a plurality of blades 22. The base 21 includes two end plates 211 and a plurality of knife shafts 212, and both ends of the knife shafts 212 are respectively connected to the two end plates 211. Each knife shaft 212 is provided with at least one blade 22, the blades 22 arranged on two adjacent knife shafts 212 are distributed in a staggered way, and the blades 22 are set to rotate along with the knife shafts 212 arranged on the blades. In this embodiment, the flail knife assembly 2 is actively driven to rotate, and due to the centrifugal force, the blades 22 arranged in the flail knife assembly 2 in a follow-up manner rotate around the knife shaft 212 to crush the material. In addition, the blades 22 are distributed in a staggered manner, so that the blades 22 on the adjacent cutter shafts 212 do not interfere with each other when rotating, and meanwhile, the movement tracks of the blades 22 on the adjacent cutter shafts 212 are not repeated, thereby achieving the effect of uniform crushing.

In other embodiments, the base 21 further includes a reinforcing plate 213, the reinforcing plate 213 is penetrated by a plurality of knife shafts 212 and is disposed between the two end plates 211 along a direction parallel to the end plates 211; the strength of the base 21 as a whole is improved by the reinforcing plate 213. The cutter shaft 212 is also sleeved with a sleeve 214 with the length shorter than that of the cutter shaft 212; the blades 22 are arranged on the same knife shaft 212 in a penetrating way, and are positioned and isolated through a reinforcing plate 213 and/or a sleeve 214. In brief, the reinforcing plate 213 divides the space between the two end plates 211, and fig. 2 shows that two blades 22 are inserted into the cutter shaft 212 in each divided space, and the blades 22 on the same cutter shaft 212 are installed according to the same rule. One rule is that two blades 22 penetrating through the cutter shaft 212 in each partition space are respectively close to two ends of the section of cutter shaft 212; if two blades 22 are located in the space between the end plate 211 and the reinforcing plate 213, one blade 22 is close to the end plate 211 and the other blade 22 is close to the reinforcing plate 213; if the two blades 22 are located in the space between the two reinforcing plates 213, the two blades 22 are respectively close to the two reinforcing plates 213; and is positioned and isolated between the two blades 22 by the sleeve 214. Another rule is that two blades 22 penetrating through the cutter shaft 212 in each partition space respectively keep a certain distance from two ends of the cutter shaft 212; if two blades 22 are positioned in the space between the end plate 211 and the reinforcing plate 213, sleeves 214 are sleeved between one blade 22 and the end plate 211, between two blades 22 and between the other blade 22 and the reinforcing plate 213 for positioning and isolation; if two blades 22 are located in the space between two reinforcing plates 213, sleeves 214 are provided between the two blades 22 and between each blade 22 and its respective adjacent reinforcing plate 213 for positioning and isolation. The two blades 22 are installed alternately, so that the blades 22 on the adjacent cutter shafts 212 do not interfere with each other when rotating, and the movement tracks of the blades 22 on the adjacent cutter shafts 212 are not repeated, thereby achieving the effect of uniform crushing.

In other embodiments, the end plate 211 and the reinforcing plate 213 are both circular sheet plates, and the plurality of knife shafts 212 are uniformly distributed along the circumferential direction of the end plate 211 and are close to the outer circumferential edge of the end plate 211, so as to ensure that the blades 22 do not interfere with the main shaft 8 when rotating, so that the length of the blades 22 can be designed to be longest, and the crushing strength of the blades 22 during swinging is improved.

The above is merely illustrative of several possible configurations of the flail assemblies 2 and does not preclude the possibility of other configurations of the flail assemblies 2.

In other embodiments, since the rotation speed of the main shaft 8 can reach 1450 revolutions per minute, in order to avoid the influence of overheating of the main shaft 8 on the overall service life of the device, bearing support seats 13 are respectively disposed on two sides of the housing 1, water-cooled bearing seats 14 are respectively disposed on the bearing support seats 13, two ends of the main shaft 8 respectively penetrate through two sides of the housing 1 and penetrate through the bearing support seats 13 on two sides of the housing 1 (for safety, a protective cover may be additionally disposed on a rotating shaft exposed out of the housing 1), at least one end of the main shaft 8 is connected to the driving mechanism 9 (the driving mechanism 9 may be a motor, and a belt transmission may be employed between the driving mechanism 9 and the main shaft 8), and the driving mechanism 9 is configured to drive the main shaft 8 to rotate. When the device is used, the water-cooled bearing seat 14 is externally connected with cooling liquid (water) to cool the bearing so as to avoid overheating of the main shaft 8, and therefore the service life of the device is prolonged.

In other embodiments, a dynamic sealing oil seal (not shown) is further disposed on the main shaft 8 between the water-cooled bearing seat 14 and the housing 1, and the dynamic sealing oil seal seals the penetrating position of the main shaft 8 penetrating through the housing 1, so as to ensure the overall sealing performance of the device and prevent powder from leaking out of the through hole of the main shaft 8 of the housing 1 when the material (waste battery) is crushed.

In other embodiments, the feed opening 41 of the feed hopper 4 is arranged in a non-upward direction due to the material splashing in the cavity 11 caused by the fast rotation speed of the flail knife assembly 2 during operation (fig. 1 shows that the feed opening 41 is arranged in a vertical direction, and the feed hopper 4 and the housing 1 are not connected in a centered manner, but rather an eccentric connection is adopted, i.e. the feed hopper 4 is not connected directly above the housing 1, but above the housing 1 and is biased to one side of the housing 1). Meanwhile, a first splash guard 42 and a second splash guard 43 are arranged in the feed channel below the feed inlet 41; the first splash baffle 42 is obliquely arranged downwards from the inner wall of the feed hopper 4 close to the feed inlet 41 to the interior of the feed channel, and one end of the first splash baffle 42 far away from the feed inlet 41 is not connected with the inner wall of the feed hopper 4; the second splash guard 43 is obliquely arranged downwards from the inner wall of the feed hopper 4 far away from the feed inlet 41 to the inside of the feed channel, one end of the first splash guard 42 close to the feed inlet 41 is not connected with the inner wall of the feed hopper 4, and the first splash guard 42 is positioned below one end far away from the feed inlet 41. In this embodiment, through setting up feed inlet 41 in non-upturned direction, two splashproof baffles (first splashproof baffle 42 and second splashproof baffle 43) are reunited simultaneously, can effectively prevent that the material that splashes in the cavity 11 from splashing away from feed inlet 41, can not hinder the interpolation of material simultaneously.

In other embodiments, the feeding opening 41 of the feeding hopper 4 and the flip cover 7 may be disposed along opposite sides of the housing 1, so that a sufficient installation space can be ensured.

In other embodiments, a first guide plate 15 and a second guide plate 16 are disposed in the cavity 11, the first guide plate 15 and the second guide plate 16 are respectively located below the screen 3 and are respectively disposed obliquely downward from the inner side walls of two opposite sides of the cavity 11 toward the inside of the cavity 11, and the ends of the first guide plate 15 and the second guide plate 16 that are close to each other do not intersect. Through setting up two deflector (first deflector 15 and second deflector 16), play certain direction gathering effect to the granular material that drops from screen cloth 3 for granular material toward centre gathering and drop to play hopper 5, prevent effectively that it from bonding on cavity 11 inner wall.

In other embodiments, the screen 3 is configured as a semi-circular arc, two end portions of the screen 3 along the axial direction are not higher than the horizontal symmetry plane of the main shaft 8, and the screen 3 and the flail knife assembly 2 are spaced apart from each other, so that a rotation space of the blade 22 is reserved, and the blade 22 does not touch the screen 3 when rotating.

In other embodiments, the battery crushing device further includes a frame 6, the frame 6 may adopt a frame structure, and the housing 1 is disposed on the frame 6 to suspend the discharge port 51, so as to facilitate connecting a collecting box/bag below the discharge port 51 to collect crushed materials falling from the discharge port 51. Meanwhile, the driving mechanism 9 can also be arranged on the frame 6 to play a role in water and moisture prevention.

While specific embodiments of the invention have been described above, it will be appreciated by those skilled in the art that this is by way of example only, and that the scope of the invention is defined by the appended claims. Various changes and modifications to these embodiments may be made by those skilled in the art without departing from the spirit and scope of the invention, and these changes and modifications are within the scope of the invention.

Claims

1. A flail knife assembly, comprising:

2. The flail knife assembly of claim 1 wherein the base further comprises a reinforcement plate penetrated by the plurality of knife shafts and disposed between the two end plates in a direction parallel to the end plates;

3. The flail knife assembly of claim 2, wherein the end plate and the reinforcing plate are both circular sheet plates, and the plurality of knife shafts are uniformly distributed along the circumferential direction of the end plate and are close to the outer circumferential edge of the end plate.

4. A battery breaking apparatus, comprising:

the flail knife assembly as claimed in any one of claims 1-3, which is mounted in the cavity by a spindle, the spindle rotating to drive the flail knife assembly to rotate in the cavity;

5. The battery crushing device as recited in claim 4, wherein a driving member is connected between the flip and the housing, and the driving member is used for driving the flip to rotate along a joint of the flip and the housing, so as to switch the flip between a closed state and an open state;

6. The battery crushing device according to claim 4, wherein bearing supporting seats are respectively arranged on two sides of the shell, water-cooled bearing seats are respectively arranged on the bearing supporting seats, two ends of the main shaft respectively penetrate through the two sides of the shell and penetrate through the bearing supporting seats on the two sides of the shell, at least one end of the main shaft is connected with a driving mechanism, and the driving mechanism is used for driving the main shaft to rotate; and/or the presence of a gas in the gas,

7. The battery crushing apparatus of claim 4, wherein the feed opening of the feed hopper is disposed in a non-upward direction;

8. The battery crushing device of claim 4, wherein a first guide plate and a second guide plate are arranged in the cavity, the first guide plate and the second guide plate are respectively positioned below the screen and are respectively obliquely and downwardly arranged from the inner side walls at two opposite sides of the cavity to the inside of the cavity, and the ends of the first guide plate and the second guide plate which are close to each other do not intersect.

9. The battery crushing apparatus of claim 4, wherein the screen is configured as a semi-circular arc, two ends of the screen in the axial direction are not higher than the horizontal symmetry plane of the main shaft, and the screen and the flail knife assembly are spaced apart from each other so that the blade does not touch the screen when rotating.

10. The battery crushing apparatus according to any one of claims 4 to 9, wherein the apparatus further comprises a frame, and the housing is disposed on the frame such that the discharge port is suspended.