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EP4215278A2 - Machine pour broyer les appareils électroniques portables de télécommunication - Google Patents

Machine pour broyer les appareils électroniques portables de télécommunication Download PDF

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Publication number
EP4215278A2
EP4215278A2 EP23152964.5A EP23152964A EP4215278A2 EP 4215278 A2 EP4215278 A2 EP 4215278A2 EP 23152964 A EP23152964 A EP 23152964A EP 4215278 A2 EP4215278 A2 EP 4215278A2
Authority
EP
European Patent Office
Prior art keywords
toothed
crushing
pair
toothed rollers
base
Prior art date
Legal status (The legal status 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 status listed.)
Withdrawn
Application number
EP23152964.5A
Other languages
German (de)
English (en)
Other versions
EP4215278A3 (fr
Inventor
Bartolomeo PAVINO
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mecc Italiana Srl
Original Assignee
Mecc Italiana Srl
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 Mecc Italiana Srl filed Critical Mecc Italiana Srl
Publication of EP4215278A2 publication Critical patent/EP4215278A2/fr
Publication of EP4215278A3 publication Critical patent/EP4215278A3/fr
Withdrawn legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
    • B02C18/06—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives
    • B02C18/14—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives within horizontal containers
    • B02C18/142—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives within horizontal containers with two or more inter-engaging rotatable cutter assemblies
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
    • B02C18/06—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives
    • B02C18/16—Details
    • B02C18/24—Drives
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
    • B02C18/06—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives
    • B02C18/14—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives within horizontal containers
    • B02C2018/147—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives within horizontal containers of the plural stage type
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
    • B02C18/06—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives
    • B02C18/16—Details
    • B02C2018/162—Shape or inner surface of shredder-housings

Definitions

  • the present invention relates to a machine for crushing portable electronic telecommunication devices such as mobile phones and tablets.
  • CN 212142813 U describes a crushing equipment for mobile phones, comprising a crushing box with a top feed inlet and a lower outlet, and a conveyor belt. An upper pair of primary crusher rollers and a lower pair of secondary crusher rollers are arranged inside the crushing box, arranged orthogonally to each other.
  • CN 211303321 U discloses a duct comprising a section inside which are an upper pair of rubber roller devices joined respectively to an upper pair of toothed wheels in mutual engagement, and a lower pair of toothed rollers joined to a lower pair of toothed wheels in mutual agreement.
  • the lower pair of toothed wheels is driven by an electric motor as well as the upper pair of toothed wheels by a pair of pinions and a transmission chain.
  • JP 2005152881 A discloses a waste crusher, comprising a support structure, having a base and two opposite walls, a feed hopper formed by walls inclined downwards inside, a pair of toothed rollers side by side, mounted by means of respective shafts at their ends on the opposite walls, adapted to move the pair of rollers, and motor means comprising a toothed wheel capable of operating a kinematic chain.
  • WO 2018132174 A1 provides a modular shredder and grinder apparatus.
  • the apparatus comprises a grinder assembly having a grinder shaft assembly, said grinder assembly having a grinder opening; and a shredder assembly movable with respect to said grinder opening to allow access to said grinder shaft assembly.
  • Scrap material is first fed into said shredder assembly so that shredded scrap material is received through said grinder opening and further cut by said grinder shaft assembly.
  • the shredder assembly and the grinder assembly have two separated driving means.
  • GB 20238965 A describes a chipper for scrab plastic.
  • the chipper includes a feed bin for feeding a quantity of scrap plastic to a chipping mechanism which first, by means of two rotary choppers operating in conjunction, pre-chops the plastic, and then by means of a single rotary chopper finely chops the plastic.
  • CN113713907 A discloses a device for preparing an organic fertilizer by using excrement of dead livestock and poultry.
  • the device includes a crushing box with a lower funnel, the box containing rotationally a first pair of rollers, a second pair of rollers and a plurality of blade-holder turntables.
  • the present invention relates to a machine for crushing electronic devices and is normally intended to be used in offices.
  • an object of the invention is to provide a machine that has small dimensions.
  • Another object is to provide a machine which is light in weight.
  • Yet another object of the invention is to provide a transportable machine.
  • a further object is to provide a machine which has a reduced power absorption, so as to be able to operate with the network powers normally available in offices.
  • the invention provides a machine for crushing portable electronic telecommunication devices, comprising
  • the technical effect of the characteristics set out above derives mainly from the fact that the driving means of the plurality of pairs of toothed rollers are provided in the lower part for collecting the fragments and there is no permanent connection between the driving means and the kinematic chain which moves the plurality of pairs of toothed rollers.
  • the machine is equipped with motor means which will be detailed below.
  • figure 1 is a perspective view of a machine for crushing electronic devices according to the invention.
  • the machine has an upper feeding and crushing part, generically indicated with 1, and a lower scrap collecting part, generically indicated with 2.
  • the upper feeding and crushing part 1 is covered with an upper casing 10 except at the mouth 30 of a feeding hopper 3.
  • the lower scrap collecting part 2 is covered with a lower casing 20 and has a door 21 which can be opened for the extraction of a scrap container 22.
  • figure 2 is a perspective view of a first embodiment of the machine of figure 1 , without the upper casing 10 and the lower casing 20. Also in figure 2 , the waste flap is shown open.
  • the first embodiment of the invention differs from a second embodiment, which will be described below.
  • the upper feeding and crushing part 1 comprises a support structure 4, having a base 40 and two opposite walls 41, 41.
  • the feed hopper 3 is formed by walls inclined downwards internally and has the mouth 30 facing upwards to receive the electronic devices to be crushed.
  • the feed hopper 3 is arranged between the two opposite walls 41, 41 of the support structure 4 above a containment box 43.
  • the containment box 43, below the feed hopper 3 has two opposite plates 44, 44 connected to each other by upper 46, intermediate 47 and lower 48 coplanar crosspieces.
  • the upper coplanar crosspieces 46 support the walls of the feed hopper 3, while the other crosspieces will be described in greater detail below.
  • FIG. 43 is an exploded perspective view of the first embodiment of the machine in figure 2 , the upper feeding and crushing part 1 being lifted from the lower scrap collecting part 2, both the parts being without casing.
  • the lower scrap collecting part 2 comprises a frame 8 and a top wall 80 that is below the base 40 of the support structure 4.
  • driving means indicated generally as 9, is in the lower scrap collecting part 2; the driving means 9 comprises a toothed wheel 90, integral with a hydraulic motor, as will be seen below, capable of operating the kinematic chain 6.
  • the top wall 80 is provided with a top opening 81 for the passage of the scrap downstream of the plurality of toothed rollers 5.
  • a second slot 82 is provided in the top wall 80 from which protrudes upwards the toothed wheel 90 of the driving means 9 so as to engage with the kinematic chain 6.
  • the base 40 of the support structure 4 is provided with a base opening, not visible in figure 3 , above the top opening 81 for the passage of the scrap along a chute 83 directed towards the scrap container 22.
  • the base 40 of the support structure 4 also has a first slot 42 which matches the second slot 82 of the top wall 80.
  • removable connection means capable of allowing the separation of the machine according to the invention in the upper feeding and crushing part 1 and in the lower scrap collecting part 2 to facilitate transport of the machine.
  • the aforesaid removable connection means can be, by way of example, threaded couplings. They comprise threaded pins, generically indicated as 84, protruding upwards from the top wall 80, corresponding through holes 44 in the base 40 of the support structure 4 and nuts (not shown) for the threaded pins 84.
  • the base 40 of the support structure 4 has a pair of handles 49 projecting upwards.
  • the lower scrap collecting part 2 is equipped with swivel wheels 85.
  • each of the four walls indicated as 31 has an upwardly tapering profile 32 with a support side 33 intended to be fixed above the upper crosspieces 46 of the containment box 43.
  • each of the four walls indicated as 34 has a straight profile 35 from the upper end 36 to its support side 37 above the upper crosspieces 46 of the containment box 43.
  • the support side 37 has an extension 38 inclined downwards. The extension 38 is notched to flank the teeth of the toothed rollers, as will be seen below.
  • the containment box 43 has the side plates 44, 44 provided with holes for supporting the three pairs of toothed rollers 5 by pairs of shafts, indicated in each pair as first shaft 50 and secondo shaft 51, with which the three pairs of toothed rollers 5 are integral.
  • figure 10 which is a perspective view of the crushing assembly of the machine in figure 1 contained in the containment box 43, without the side wall 44; reference is also made to figure 11 which is an exploded view of the crushing assembly.
  • the first and second shafts 50, 51 of the plurality of pairs of toothed rollers 5 are placed side by side in succession from top to bottom and mounted in aligned seats obtained in the plates 44, 44, without the need for further numerical reference.
  • Each first shaft 50 is equipped, at its first end, with a toothed wheel, indicated generically as 52, which meshes with the toothed wheel 53 of the second shaft 51 of the same pair of shafts 50, 51.
  • the first shafts 50 are provided with transmission gears of the kinematic chain 6 suitable for rotating the three pairs of toothed rollers 5 simultaneously.
  • the kinematic chain 6 comprises a transmission gear, indicated generically as 64, mounted on the second end of the first shaft 50 of each pair of shafts 50, 51 that are side by side, and a transmission pinion 65 is meshed simultaneously with a pair of transmission gears 64.
  • a transmission gear indicated generically as 64
  • the transmission pinions 65 are mounted on transmission shafts 66 resting on the plate 45 of the containment box 43.
  • the lowest transmission gear 64 meshes with the gear wheel 90 of the hydraulic motor capable of operating the kinematic chain 6.
  • the three pairs of toothed rollers 5 comprise an upper pair of toothed rollers 54, formed by first toothed discs 55 integral with their own shafts 50, 51.
  • a first toothed disc 55 is shown in figures 12 and 13 which are a plan view and a side view thereof, respectively.
  • the first toothed discs 55 have saw teeth 550, each of which is indicated with an oblique head and a gullet.
  • the lower toothed rollers 57 have second toothed discs 59, which can be the same in the intermediate pairs of toothed rollers 56.
  • a second toothed roller 59 is shown in figures 14 and 15 which are a plan view and a side view thereof, respectively.
  • the second toothed discs 59 have saw teeth 590 that are smaller than the saw teeth 550 and are able to crush the pieces broken by the toothed discs 55 into fragments.
  • the saw teeth 550 of the first toothed discs 55 are larger in order to perform a first break of the electronic device to be crushed, and to make the pieces of the electronic device less likely to jam the toothed rollers 54 between them.
  • the saw teeth 559 of the second toothed discs 59 of the intermediate and lower pairs of toothed rollers 56, 57 are smaller than the saw teeth 550 of the first toothed discs 55, in order to be able to crush the pieces of the electronic device.
  • the containment box 43 has upper crosspieces 46, intermediate crosspieces 47 and lower crosspieces 48 for connecting the opposite plates 44, 45.
  • the upper crosspieces 46 are drilled for fixing the supporting sides 33 or 37 of the hopper walls 31 and 34, respectively.
  • the intermediate crosspieces 47 and the lower crosspieces 48 support bars inclined downwards, indicated generically as 58, suitable for facilitating the advancement of pieces of electronic device to be crushed towards the intermediate and lower pairs of toothed rollers 56, 57.
  • driving means 9 ending with the gear wheel 90 of the hydraulic motor capable of operating the kinematic chain 6.
  • figures 2 and 3 show the first embodiment of the lower scrap collecting part 2, while figures 16 , 17 and 18 show perspective views of the lower scrap collecting part, always indicated as 2, of the second embodiment.
  • the two embodiments use motor means of the hydraulic type; alternatively, electric motors could be used.
  • the driving means of the first embodiment comprises an electronic control unit (not shown) and a hydraulic circuit indicated generally as 92.
  • the hydraulic circuit 92 controlled by the electronic control unit, comprises a tank 93 containing hydraulic oil, an electric pump 94, a non-return valve and a pressure limiting valve with return to the tank downstream of the electric pump 94, a pressure switch, a four-way and three-position distributor and a hydraulic motor, having a shaft on which the toothed wheel 90 capable of operating the kinematic chain 6 described above is keyed.
  • the driving means of the second embodiment is better shown in figures 16 to 18 , but also in figure 19 which is a simplified diagram of the hydraulic circuit installed in the second embodiment.
  • An electronic control unit controls a hydraulic circuit indicated generally as 100.
  • the hydraulic circuit 100 comprises a tank 101 containing hydraulic oil, a pair of electric pumps 102, 103 which draw from the tank 101 through respective filters 104, 105, a non-return valve 106 downstream of the electric pump 102, and a non-return valve 107 downstream of the electric pump 103, a pressure limiting valve 108 in a return branch 110 to the tank 101 downstream of the electric pump 102, a pressure limiting valve 109 in a return branch 111 to the tank 101 downstream of the electric pump 103, a delivery branch 112 of both electric pumps 102, 103, a pressure switch 113, a four-way and three-position distributor 114 and a hydraulic motor 115.
  • the hydraulic motor 115 has a shaft onto which the toothed wheel 90 capable of operating the kinematic
  • the embodiment with two electric pumps allows the machine performances to be optimized in the event of reduced electrical network power.
  • the machine can be made to start from the electronic control unit with only the electric pump 102 so as not to exceed the maximum electrical power absorption.
  • the two electric pumps 102 and 103 together could absorb more than the available power.
  • the electronic control unit could also activate the second electric pump 103, reducing the engagement of the electric pump 102.
  • the distributor 114 can reverse the direction of rotation of the hydraulic motor 115 and then of the toothed wheel 90 to therefore reverse the motion of the kinematic chain 6.

Landscapes

  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Crushing And Grinding (AREA)
  • Disintegrating Or Milling (AREA)
  • Crushing And Pulverization Processes (AREA)
EP23152964.5A 2022-01-25 2023-01-23 Machine pour broyer les appareils électroniques portables de télécommunication Withdrawn EP4215278A3 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT202200001259 2022-01-25

Publications (2)

Publication Number Publication Date
EP4215278A2 true EP4215278A2 (fr) 2023-07-26
EP4215278A3 EP4215278A3 (fr) 2023-08-02

Family

ID=81328079

Family Applications (1)

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EP23152964.5A Withdrawn EP4215278A3 (fr) 2022-01-25 2023-01-23 Machine pour broyer les appareils électroniques portables de télécommunication

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Country Link
EP (1) EP4215278A3 (fr)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005152881A (ja) 2003-10-31 2005-06-16 Nishida Katsuhide 破砕装置
WO2018132174A1 (fr) 2017-01-10 2018-07-19 Steere Enterprises, Inc. Appareil déchiqueteur et broyeur modulaire
CN211303321U (zh) 2019-12-02 2020-08-21 浙江汇诚通用印务有限公司 一种模切机的废料处理装置
CN212142813U (zh) 2020-04-20 2020-12-15 重庆市佳达通实业有限公司 一种用于手机零件加工的破碎设备
CN113713907A (zh) 2021-10-20 2021-11-30 王芹 一种利用死畜禽及禽畜排泄物制取有机肥装置

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2238965A (en) * 1989-12-16 1991-06-19 Lee King Lung Chipper for scrap plastic

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005152881A (ja) 2003-10-31 2005-06-16 Nishida Katsuhide 破砕装置
WO2018132174A1 (fr) 2017-01-10 2018-07-19 Steere Enterprises, Inc. Appareil déchiqueteur et broyeur modulaire
CN211303321U (zh) 2019-12-02 2020-08-21 浙江汇诚通用印务有限公司 一种模切机的废料处理装置
CN212142813U (zh) 2020-04-20 2020-12-15 重庆市佳达通实业有限公司 一种用于手机零件加工的破碎设备
CN113713907A (zh) 2021-10-20 2021-11-30 王芹 一种利用死畜禽及禽畜排泄物制取有机肥装置

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Publication number Publication date
EP4215278A3 (fr) 2023-08-02

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