WO2023040344A1 - 一种超声波振动筛 - Google Patents

一种超声波振动筛 Download PDF

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Publication number
WO2023040344A1
WO2023040344A1 PCT/CN2022/095691 CN2022095691W WO2023040344A1 WO 2023040344 A1 WO2023040344 A1 WO 2023040344A1 CN 2022095691 W CN2022095691 W CN 2022095691W WO 2023040344 A1 WO2023040344 A1 WO 2023040344A1
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WO
WIPO (PCT)
Prior art keywords
vibrating
screen
ultrasonic
frame
connecting piece
Prior art date
Application number
PCT/CN2022/095691
Other languages
English (en)
French (fr)
Inventor
余海军
李长东
李爱霞
谢英豪
张学梅
陈康
Original Assignee
广东邦普循环科技有限公司
湖南邦普循环科技有限公司
湖南邦普汽车循环有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 广东邦普循环科技有限公司, 湖南邦普循环科技有限公司, 湖南邦普汽车循环有限公司 filed Critical 广东邦普循环科技有限公司
Priority to GB2318275.1A priority Critical patent/GB2622327A/en
Priority to DE112022002195.0T priority patent/DE112022002195T5/de
Priority to ES202390237A priority patent/ES2969996A1/es
Publication of WO2023040344A1 publication Critical patent/WO2023040344A1/zh

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
    • B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
    • B07B1/06—Cone or disc shaped screens
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
    • B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
    • B07B1/28—Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting or wobbling screens
    • B07B1/40—Resonant vibration screens
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
    • B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
    • B07B1/28—Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting or wobbling screens
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
    • B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
    • B07B1/42—Drive mechanisms, regulating or controlling devices, or balancing devices, specially adapted for screens
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
    • B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
    • B07B1/46—Constructional details of screens in general; Cleaning or heating of screens
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
    • B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
    • B07B1/46—Constructional details of screens in general; Cleaning or heating of screens
    • B07B1/4609—Constructional details of screens in general; Cleaning or heating of screens constructional details of screening surfaces or meshes
    • B07B1/4663—Multi-layer screening surfaces
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
    • B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
    • B07B1/42—Drive mechanisms, regulating or controlling devices, or balancing devices, specially adapted for screens
    • B07B1/44—Balancing devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
    • B07B2220/00—Type of materials being separated
    • B07B2220/04—Batteries
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
    • B07B2230/00—Specific aspects relating to the whole B07B subclass
    • B07B2230/04—The screen or the screened materials being subjected to ultrasonic vibration
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00—Technologies for solid waste management
    • Y02W30/50—Reuse, recycling or recovery technologies
    • Y02W30/84—Recycling of batteries or fuel cells

Definitions

  • the invention relates to the technical field of recycling waste battery materials, in particular to an ultrasonic vibrating screen.
  • the crushed battery powder becomes black battery powder after being dried and pyrolyzed. These battery powders become battery powder after being crushed. In order to obtain these granular powders, it is necessary to sieve through a sieve, and a vibrating mesh sieve is required in the sieve sieving process.
  • the multi-layer ultrasonic screen currently used is equipped with multiple ultrasonic transducers on each layer of the screen. When working, these ultrasonic transducers vibrate at high speed together to drive the vibration of the screen to screen the battery powder. Efficient recycling of battery points, but in the process of use, the life of the ultrasonic screen is very short, and the screen often breaks along a straight line after a period of use, and the life of the new screen will not exceed three months , sometimes the shortest life of the screen is not even more than one month. Although there are many modifications and reinforcements to the screen in the prior art, none of them can solve the problem of screen breakage, so the screen needs to be replaced frequently during use. , Not only is the mesh material wasted, but the replacement of the mesh screen is time-consuming and laborious, and the production line needs to be stopped during the replacement. Such frequent maintenance causes a large amount of production loss.
  • the technical problem to be solved by the invention is: the screen mesh is prone to fracture along a straight line.
  • the present invention provides an ultrasonic vibrating screen, which includes a bottom frame, at least two screen drums, and a vibration mechanism; elastic bodies are arranged on the bottom frame; and the screen drums are sequentially arranged from bottom to top , each sieve cylinder is provided with a screen, wherein one of the sieve cylinders is connected to the bottom frame through an elastic body; the vibration mechanism includes a vibration frame and at least two ultrasonic transducers, and each of the sieve cylinders The ultrasonic transducer is fixed to the vibrating frame, the ultrasonic transducer is fixed to the vibrating frame, and the ultrasonic transducer drives the vibrating frame to vibrate.
  • the vibrating frame includes a bracket and at least two vibrating rings, the vibrating rings are in one-to-one correspondence with the sieve drum, and the vibrating rings are sleeved on the outer surface of the sieve drum and fixed to the sieve drum , the vibrating ring is fixed by the bracket.
  • each bracket extends from top to bottom, each bracket is fixed with at least one ultrasonic transducer, and the brackets are distributed around the outer surface of the screen cylinder at intervals.
  • the ultrasonic transducers are distributed on the support at intervals around the outer surface of the screen drum.
  • the vibration mechanism further includes a connecting piece, and every two brackets are fixed through the connecting piece.
  • At least one positioning block is further included, the positioning block is sleeved on the connecting piece, and the positioning block is connected with the screen cylinder.
  • the connecting piece is an arc rod
  • the positioning block is slidably sleeved on the connecting piece.
  • the positioning block includes a top block, a body and a telescopic block, the connecting piece is sandwiched between the top block and the body, and the telescopic block is located on a side of the body facing away from the top block. side, and the telescopic block is against the screen drum, the top block is provided with a threaded through hole, and the body is provided with a perforation corresponding to the threaded through hole, and a clamping rod is provided in the perforated hole, and the threaded through hole is provided with a perforation.
  • An adjusting screw is screwed into the hole, the adjusting screw abuts against one end of the clamping rod, and the other end of the clamping rod away from the adjusting screw abuts against the telescopic block.
  • a counterweight is also included, and the counterweight is connected with the vibrating frame or the connecting piece.
  • the counterweight is in the shape of a ring, and the counterweight is slidably sleeved on the outside of the connecting piece.
  • a threaded hole is opened on the side of the counterweight, and a fixing screw is screwed into the threaded hole. The fixing screw passes through the threaded hole and is against the connecting piece.
  • an ultrasonic vibrating screen has the beneficial effect that by fixing all the screen drums on the vibrating frame, the originally asynchronous amplitude and frequency of all ultrasonic transducers are unified as much as possible.
  • the uniform frequency enables the entire sieve cylinder to maintain a uniform vibration frequency when sieving battery powder, avoiding that the screen is under the action of different parts of the sieve cylinder, because the vibration force received by each part is not uniform or even reversed, causing the screen to It is constantly bent, so that the screen is broken along a specific straight line.
  • Fig. 1 is a structural representation of an embodiment of the present invention
  • Fig. 2 is a top view of an embodiment of the present invention.
  • Fig. 3 is a sectional view of a positioning block.
  • an ultrasonic vibrating screen includes a bottom frame 1 , at least two screen drums 2 , and a vibrating mechanism 3 .
  • the vibrating mechanism 3 drives all the sieve cylinders 2 to vibrate synchronously, and the sieve cylinders 2 sieve the battery powder through ultrasonic vibration.
  • the underframe 1 can be placed on the ground or on the table, the underframe 1 is used to support the screen cylinder 2, the underframe 1 is provided with an elastic body 11, and the elastic Body 11 is a spring.
  • the number of sieve cylinders 2 can be adjusted according to actual needs.
  • the sieve cylinders 2 are arranged sequentially from bottom to top, and each sieve cylinder 2 are provided with screens 21, wherein the bottom sieve cylinder 2 is connected to the chassis 1 through an elastic body 11, and the top sieve cylinder 2 is provided with a material inlet 22 for introducing raw materials, and each sieve
  • the barrels 2 are all provided with a discharge port 23 for pouring out the sieved battery powder particles.
  • the vibrating mechanism 3 includes an ultrasonic transducer 31 and a vibrating frame 32, and the screen cylinder 2 is fixed with the same vibrating frame 32, the ultrasonic transducer 31 is fixed on the vibrating frame 32, and the vibrating frame 32 is fixed to the vibrating frame 32.
  • the ultrasonic transducer 31 drives the vibrating frame 32 to vibrate.
  • the ultrasonic transducer is connected to the ultrasonic generator 33, and the ultrasonic transducer 33 sends an electric signal to vibrate the ultrasonic transducer 31.
  • the ultrasonic transducer 31 can be directly connected to an external power source, and the ultrasonic transducer 31 alone generates vibrations.
  • the working process of the present invention is: open the ultrasonic generator 33, after the ultrasonic transducer 31 receives the electrical signal, the ultrasonic transducer 31 drives the vibrating frame 32 to vibrate, and the vibrating frame 32 drives all the screen cylinders 2 vibrations together.
  • the embodiment of the present invention provides an ultrasonic vibrating screen, which can unify the originally asynchronous amplitude and frequency of all ultrasonic transducers 31 into a unified frequency by fixing the vibrating frame 32 to all the screen drums 2 , so that the entire sieve cylinder 2 can maintain a uniform vibration frequency when sieving battery powder, and avoid the screen 21 under the action of different parts of the sieve cylinder 2, because the vibration force received by each part is not uniform or even reversed, resulting in a 21 is constantly bent, and the screen cloth 21 is broken along a specific straight line.
  • the vibrating frame 32 includes a bracket 321 and two vibrating rings 322, the vibrating rings 322 correspond to the sieve drums 2 one by one, each sieve drum 2 is fixed with a vibrating ring 322, the The vibrating ring 322 is sleeved on the outer surface of the sieve cylinder 2 and fixed to the sieve cylinder 2 .
  • Each of said screen cylinders 2 comprises a central part, an upper frame 24 and a lower frame 25 between which said central part is located.
  • the lower frame 25 of the upper screen drum 2 is fixed to the upper frame 24 of the lower screen drum 2 through the clamp 6, wherein the vibrating ring 322 is fixed on the central part,
  • the vibrating ring 322 is fixed by the bracket 321, and the vibrating ring 322 is fixed by the bracket 321, so that the vibrating frame 32 is integrated, and the consistency of the amplitude and frequency of the vibrating frame 32 is improved.
  • the sieve cylinder 2 is cylindrical, and the number of supports 321 is six, and the supports 321 surround the screen cylinder 2.
  • the central axes are equidistantly distributed to ensure that when the bracket 321 transmits ultrasonic vibration to the screen cylinder 2, every part of the screen cylinder 2 can be evenly affected by the vibrating frame 32.
  • the ultrasonic transducers 31 are evenly distributed on the brackets 321 around the outer surface of the screen drum 2 to ensure that each bracket 321 can generate the same amplitude and frequency, and each part of the screen drum 2 is evenly vibrated.
  • the vibrating mechanism 3 further includes a connecting piece 34 through which every two brackets 321 are fixed, wherein the distance between the connecting piece 34 and the ultrasonic vibrating frame 32 is adjustable.
  • the connecting piece 34 can effectively improve the vibration consistency between the brackets 321, avoiding repeated and different changes in the amplitude between the brackets 321 and causing the screen cylinder 2 to undergo regular deformation, and avoiding the screen 21 moving along the fixed The phenomenon that the sieve 21 is broken due to repeated bending of the creases prolongs the service life of the drying net.
  • the ultrasonic vibrating screen also includes at least one positioning block 4, the positioning block 4 is set on the connecting piece 34, and the positioning block 4 is connected to the sieve cylinder 2, and the battery powder is sieved by using the screen 21
  • the position of the positioning block 4 by adjusting the position of the positioning block 4, the effect of adjusting the center of gravity of the screen 21 and the natural frequency of different positions can be realized, and the bending line on the screen 21 can be changed to avoid the situation that the screen 21 is broken.
  • the connecting piece 34 is an arc-shaped screw rod, wherein the threads of the connecting piece 34 are located at opposite ends of the connecting piece 34, and each end of the connecting piece 34 is screwed on the bracket 321 by threads, and the positioning block 4 can be Slidingly sleeved on the connecting piece 34 , the staff can directly slide the positioning block 4 on the connecting piece 34 to change the position of the positioning block 4 and realize the quick adjustment of the positioning block 4 .
  • the positioning block 4 includes a top block 41, a body 42 and a telescopic block 43, the connector 34 is clamped between the top block 41 and the body 42, and the telescopic block 43 is located on the side of the body 42 facing away from the top block 41, and the telescopic block 43 is against the screen drum 2,
  • the top block 41 is provided with a threaded through hole 411, and the body 42 corresponds to the
  • the threaded through hole 411 is provided with a perforated hole 421, the perforated hole 421 is facing the said threaded through hole 411, the said perforated hole 421 is provided with a clamping rod 44, said threaded through hole 411 is screwed with an adjusting screw 45, said adjusting screw 45 is against one end of the clamping rod 44 , and the other end of the clamping rod 44 away from the adjusting screw 45 is against the telescopic block 43 , and the clamping rod 44 moves as the adjusting screw 45 moves.
  • the telescopic block 43 is a silica gel or a plastic block with a certain toughness.
  • the telescopic block 43 can increase the buffering of the screen cylinder 2.
  • the staff can rotate the adjusting screw 45 to make the adjusting screw 45 extend into or out of the screw thread. Through hole 411, thereby changing the extension length of adjusting screw 45 in threaded through hole 411, and then changing the pressure of clamp rod 44 on telescopic block 43, and adjusting the tightness of positioning block 4 and screen cylinder 2.
  • the telescopic block 43 can indirectly increase the contact fixed point between the vibrating frame 32 and the screen cylinder 2, so that the center of gravity of the screen 21 and the screen cylinder 2 can be changed, so as to prevent the screen 21 from repeatedly bending along a certain bending line and causing break off.
  • the ultrasonic vibrating screen further includes a counterweight 5 , and the counterweight 5 is connected to the vibrating frame 32 or the connecting piece 34 .
  • the counterweight 5 is annular, and the counterweight 5 is slidably sleeved on the connecting rod.
  • the side of the counterweight 5 is provided with a threaded hole 51, and the threaded hole 51 is screwed with a fixing screw.
  • the fixing screw passes through the threaded hole 51 and abuts against the connecting piece 34 .
  • the staff can change the position of the counterweight 5 by sliding the counterweight 5 on the connecting piece 34, and then tighten the fixing screw so that the fixing screw on the counterweight 5 is against the connecting rod, thereby locking the counterweight.
  • the position of the weight 5 on the connector 34 is not limited to the position of the weight 5 on the connector 34.

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  • Combined Means For Separation Of Solids (AREA)
  • Treatment Of Sludge (AREA)

Abstract

本发明涉及废旧电池材料回收技术领域，公开了一种超声波振动筛，其包括底架，至少两个筛筒，振动机构；所述底架上设有弹性体；所述筛筒从下往上依次设置，每个筛筒上皆设有筛网，其中一个所述筛筒通过弹性体与所述底架相连接；所述振动机构包括振动架和至少两个超声波换能器，所述筛筒皆与所述振动架相固定，所述超声波换能器固定于所述振动架，所述超声波换能器驱动振动架振动，通过将振动架固定所有的筛筒，将所有超声波换能器原本不同步的振幅和频率，尽最大可能统一为统一的频率。

Description

一种超声波振动筛 技术领域
本发明涉及废旧电池材料回收技术领域，特别是涉及一种超声波振动筛。
背景技术
目前，锂电池回收过程中，破碎后的电池粉末经过干燥热解后，成为黑色的电池粉料，这些电池粉料经过破碎后成为电池粉，电池粉需要经过筛分成一定目数的颗粒粉末，为了得到这些颗粒粉末需要通过筛网进行筛分，筛网筛分的过程中需要用到振动网筛。
目前使用的多层超声波筛网因为每一层的网筛均装有多个超声波换能器，在工作的时候，这些超声波换能器一起高速振动，带动筛网震动从而来筛分电池粉，对电池分进行高效的回收，但是在使用的过程中，超声波筛网的寿命很短，筛网使用一段时间后经常会发生沿直线的断裂，而且新筛网的寿命都不会超过三个月，有时候筛网最短的寿命甚至不超过一个月，尽管现有技术有对筛网进行了很多的改造和加固，但均不能够解决筛网断裂的问题，因此在使用时需要经常更换筛网，不仅浪费网筛材料，而且网筛的更换工作费时费力，更换时还需要停下产线，如此经常性的维修造成大量产能损失。
发明内容
本发明要解决的技术问题是：筛网容易发生沿直线的断裂。
为了解决上述技术问题，本发明提供了一种超声波振动筛，其包括底架，至少两个筛筒，振动机构；所述底架上设有弹性体；所述筛筒从下往上依次设置，每个筛筒上皆设有筛网，其中一个所述筛筒通过弹性体与所述底架相连接；所述振动机构包括振动架和至少两个超声波换能器，所述筛筒皆与所述振动架相固定，所述超声波换能器固定于所述振动架，所述超声波换能器驱动振动架振动。
进一步地，所述振动架包括支架和至少两个振动环，所述振动环与所述筛筒一一对应，所述振动环套在所述筛筒的外侧面且与所述筛筒相固定，所述振动环通过所述支架相固定。
进一步地，所述支架为多个，所述支架自上而下延伸，每个支架至少与一个超声波换能器相固定，所述支架环绕所述筛筒的外表面间隔分布。
进一步地，所述超声波换能器环绕所述筛筒的外表面间隔分布在所述支架上。
进一步地，所述振动机构还包括连接件，每两个支架通过连接件相固定。
进一步地，还包括至少一个定位块，所述定位块套在所述连接件上，且所述定位块与所述筛筒相连。
进一步地，所述连接件为弧形杆，所述定位块可滑动地套在连接件外。
进一步地，所述定位块包括有顶块、本体和伸缩块，所述连接件夹在所述顶块和所述本 体之间，所述伸缩块位于所述本体背向所述顶块的一侧，且所述伸缩块抵于所述筛筒，所述顶块设有螺纹通孔，所述本体对应所述螺纹通孔设有穿孔，所述穿孔内设有卡杆，所述螺纹通孔旋接有调节螺钉，所述调节螺钉抵于所述卡杆的一端，所述卡杆远离所述调节螺钉的另一端抵于伸缩块。
进一步地，还包括配重块，所述配重块与所述振动架或所述连接件相连接。
进一步地，所述配重块为圆环状，所述配重块可滑动地套在连接件外，所述配重块的侧面开设有螺纹孔，所述螺纹孔旋接有固定螺钉，所述固定螺钉穿过螺纹孔并抵于所述连接件。
本发明实施例一种超声波振动筛与现有技术相比，其有益效果在于：通过将振动架固定所有的筛筒，将所有超声波换能器原本不同步的振幅和频率，尽最大可能统一为统一的频率，使得在筛分电池粉时可以使整个筛筒保持统一的振动频率，避免筛网在不同部分筛筒的作用下，因为各部分受到的振动力不统一甚至反相，导致筛网被不停地弯折，而使筛网沿着特定的直线折断。
附图说明
图1是本发明一种实施例的结构示意图；
图2是本发明一种实施例的俯视图；
图3是定位块的截面图。
图中，1、底架；11、弹性体；2、筛筒；21、筛网；22、入料口；23、出料口；24、上机架；25、下机架；3、振动机构；31、超声波换能器；32、振动架；321、支架；322、振动环；33、超声波发生器；34、连接件；4、定位块；41、顶块；411、螺纹通孔；42、本体；421、穿孔；43、伸缩块；44、螺纹卡杆；45、调节螺钉；5、配重块；51、螺纹孔；6、卡箍。
具体实施方式
下面结合附图和实施例，对本发明的具体实施方式作进一步详细描述。以下实施例用于说明本发明，但不用来限制本发明的范围。
在本发明的描述中，应当理解的是，本发明中采用术语“上”、“下”、“左”、“右”、“前”、“后”、“顶”、“底”等指示的方位或位置关系为基于附图所示的方位或位置关系，仅是为了便于描述本发明和简化描述，而不是指示或暗示所指的装置或元件必须具有特定的方位、以特定的方位构造和操作，因此不能理解为对本发明的限制。
如图1所示，本发明实施例优选实施例的一种超声波振动筛，其包括底架1，至少两个筛筒2，振动机构3。所述振动机构3带动所有筛筒2同步振动，所述筛筒2通过超声波振动从而对电池粉末进行筛分。
如图1-2所示，所述底架1可以放置在地面或台面上，所述底架1用于对筛筒2进行支撑，所述底架1上设有弹性体11，所述弹性体11为弹簧。在本实施例中，所述筛筒2为两个，在其它实施例中，筛筒2的数量可以根据实际需求做出调整，所述筛筒2从下往上依次 设置，每个筛筒2上皆设有筛网21，其中最下方的筛筒2通过弹性体11与所述底架1相连接，最上方的筛筒2上设有用于导入原料的入料口22，每个筛筒2均设有出料口23，所述出料口23用于倒出筛分后的电池粉颗粒。所述振动机构3包括超声波换能器31和振动架32，所述筛筒2皆与同一个所述振动架32相固定，所述超声波换能器31固定于所述振动架32，所述超声波换能器31驱动振动架32振动，在本实施例中，所述超声波换成器连接超声波发生器33，通过超声波发生器33发送电信号使超声波换能器31振动，在其它实施例中，超声波换能器31可以直接外接电源，由超声波换能器31单独产生振动。
如图1-2所示，本发明的工作过程为：打开超声波发生器33，超声波换能器31接收到电信号后，超声波换能器31带动振动架32振动，振动架32带动所有筛筒2共同振动。综上，本发明实施例提供一种超声波振动筛，其通过将振动架32固定所有的筛筒2，将所有超声波换能器31原本不同步的振幅和频率，尽最大可能统一为统一的频率，使得在筛分电池粉时可以使整个筛筒2保持统一的振动频率，避免筛网21在不同部分筛筒2的作用下，因为各部分受到的振动力不统一甚至反相，导致筛网21被不停地弯折，而使筛网21沿着特定的直线折断。
如图1所示，所述振动架32包括支架321和两个振动环322，所述振动环322与所述筛筒2一一对应，每个筛筒2都固定一个振动环322，所述振动环322套在所述筛筒2的外侧面且与所述筛筒2相固定。每个所述筛筒2包括中心部分、上机架24和下机架25，所述中心部分位于上机架24和下机架25之间。在相邻的两个筛筒2中，位于上方的筛筒2的下机架25通过卡箍6与位于下方的筛筒2的上机架24相固定，其中振动环322固定在中心部分，所述振动环322通过所述支架321相固定，利用支架321固定振动环322，使所述振动架32形成一体，提高振动架32振幅和频率的一致性。所述支架321为多个，所述支架321自上而下延伸，每个支架321至少与一个超声波换能器31相固定，所述支架321环绕所述筛筒2的外表面均匀间隔分布，其中所有的超声波换能器31振动的振幅和频率都相同，在本实施例中，所述筛筒2为圆柱形，所述支架321为六个，所述支架321绕所述筛筒2的中心轴等距分布，确保支架321在对筛筒2传递超声波振动时，筛筒2每个部位都能均匀受到振动架32的影响。所述超声波换能器31环绕所述筛筒2的外表面均匀间隔分布在所述支架321上，确保每个支架321都能产生相同的振幅和频率，筛筒2每个部位均匀受到振动。
如图1-2所示，所述振动机构3还包括连接件34，每两个支架321通过连接件34相固定，其中，所述连接件34与超声波振动架32之间的距离可调。连接件34能够有效地提高支架321之间的振动一致性，避免了支架321之间的振幅出现反复的不同的变换而导致筛筒2发生有规律的变形，避免造成筛网21沿着固定的折纹反复地弯折而使筛网21被折断的现象，延长晒网的使用寿命。所述超声波振动筛还包括至少一个定位块4，所述定位块4套在所述连接件34上，且所述定位块4与所述筛筒2相连，在使用筛网21筛分电池粉的过程中，可 以通过调整定位块4的位置，实现调整筛网21重心和不同位置固有频率的效果，改变筛网21上的弯折线，避免筛网21被折断的情况。所述连接件34为弧形的螺杆，其中连接件34的螺纹位于连接件34相对的两端，所述连接件34的每一端都通过螺纹旋接在支架321上，所述定位块4可滑动地套在连接件34外，工作人员可以通过在连接件34上直接滑动定位块4改变定位块4的位置，实现定位块4的快速调节。
如图1-3所示，所述定位块4包括有顶块41、本体42和伸缩块43，所述连接件34夹在所述顶块41和所述本体42之间，所述伸缩块43位于所述本体42背向所述顶块41的一侧，且所述伸缩块43抵于所述筛筒2，所述顶块41设有螺纹通孔411，所述本体42对应所述螺纹通孔411设有穿孔421，所述穿孔421正对所述螺纹通孔411，所述穿孔421内设有卡杆44，所述螺纹通孔411旋接有调节螺钉45，所述调节螺钉45抵于所述卡杆44的一端，所述卡杆44远离所述调节螺钉45的另一端抵于伸缩块43，所述卡杆44随调节螺钉45移动而移动。所述伸缩块43为硅胶或者具有一定韧性的塑料块，所述伸缩块43可以增加对筛筒2的缓冲，工作人员可以通过旋转所述调节螺钉45，使调节螺钉45伸入或伸出螺纹通孔411，从而改变调节螺钉45在螺纹通孔411内的伸入长度，进而改变卡杆44压在伸缩块43上压力，调节定位块4与筛筒2的松紧度。所述伸缩块43可以间接增加振动架32与筛筒2之间的接触固定点，使筛网21和筛筒2的重心发生改变，避免筛网21沿着一定的弯折线反复弯折而发生折断。
如图1所示，所述超声波振动筛还包括配重块5，所述配重块5与所述振动架32或所述连接件34相连接。在使用筛网21筛分电池粉的过程中，可以通过调整配重块5的位置，实现调整筛网21重心和不同位置固有频率的效果，改变筛网21上的弯折线，避免筛网21被折断的情况。所述配重块5为圆环状，所述配重块5可滑动地套在连接杆外，所述配重块5的侧面开设有螺纹孔51，所述螺纹孔51旋接有固定螺钉，所述固定螺钉穿过螺纹孔51并抵于所述连接件34。工作人员可以通过在连接件34上滑动配重块5从而改变配重块5的位置，再通过拧紧固定螺钉，使配重块5上的固定螺钉抵在连接杆上，从而锁紧所述配重块5在连接件34上的位置。
以上所述仅是本发明的优选实施方式，应当指出，对于本技术领域的普通技术人员来说，在不脱离本发明技术原理的前提下，还可以做出若干改进和替换，这些改进和替换也应视为本发明的保护范围。

Claims (10)

  1. 一种超声波振动筛，其特征在于，包括：
    底架，所述底架上设有弹性体；
    至少两个筛筒，所述筛筒从下往上依次设置，每个筛筒上皆设有筛网，其中一个所述筛筒通过弹性体与所述底架相连接；以及
    振动机构，所述振动机构包括振动架和至少两个超声波换能器，所述筛筒皆与所述振动架相固定，所述超声波换能器固定于所述振动架，所述超声波换能器驱动振动架振动。
  2. 根据权利要求1所述的超声波振动筛，其特征在于：所述振动架包括支架和至少两个振动环，所述振动环与所述筛筒一一对应，所述振动环套在所述筛筒的外侧面且与所述筛筒相固定，所述振动环通过所述支架相固定。
  3. 根据权利要求2所述的超声波振动筛，其特征在于：所述支架为多个，所述支架自上而下延伸，每个支架至少与一个超声波换能器相固定，所述支架环绕所述筛筒的外表面间隔分布。
  4. 根据权利要求3所述的超声波振动筛，其特征在于：所述超声波换能器环绕所述筛筒的外表面间隔分布在所述支架上。
  5. 根据权利要求3所述的超声波振动筛，其特征在于：所述振动机构还包括连接件，每两个支架通过连接件相固定。
  6. 根据权利要求5所述的超声波振动筛，其特征在于：还包括至少一个定位块，所述定位块套在所述连接件上，且所述定位块与所述筛筒相连。
  7. 根据权利要求6所述的超声波振动筛，其特征在于：所述连接件为弧形杆，所述定位块可滑动地套在连接件外。
  8. 根据权利要求7所述的超声波振动筛，其特征在于：所述定位块包括有顶块、本体和伸缩块，所述连接件夹在所述顶块和所述本体之间，所述伸缩块位于所述本体背向所述顶块的一侧，且所述伸缩块抵于所述筛筒，所述顶块设有螺纹通孔，所述本体对应所述螺纹通孔设有穿孔，所述穿孔内设有卡杆，所述螺纹通孔旋接有调节螺钉，所述调节螺钉抵于所述卡杆的一端，所述卡杆远离所述调节螺钉的另一端抵于伸缩块。
  9. 根据权利要求5所述的超声波振动筛，其特征在于：还包括配重块，所述配重块与所述振动架或所述连接件相连接。
  10. 根据权利要求9所述的超声波振动筛，其特征在于：所述配重块为圆环状，所述配重块可滑动地套在连接件外，所述配重块的侧面开设有螺纹孔，所述螺纹孔旋接有固定螺钉，所述固定螺钉穿过螺纹孔并抵于所述连接件。
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