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SE546847C2 - A shot blasting machine with an improved liner system - Google Patents

A shot blasting machine with an improved liner system

Info

Publication number
SE546847C2
SE546847C2 SE2350403A SE2350403A SE546847C2 SE 546847 C2 SE546847 C2 SE 546847C2 SE 2350403 A SE2350403 A SE 2350403A SE 2350403 A SE2350403 A SE 2350403A SE 546847 C2 SE546847 C2 SE 546847C2
Authority
SE
Sweden
Prior art keywords
liner
wear plate
shot blasting
blasting machine
previous
Prior art date
Application number
SE2350403A
Other languages
Swedish (sv)
Other versions
SE2350403A1 (en
Inventor
Eijden Barry Van
David Kwant
Rijn Hugo Van
Der Ven Mark Van
Original Assignee
Husqvarna Ab
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 Husqvarna Ab filed Critical Husqvarna Ab
Priority to SE2350403A priority Critical patent/SE546847C2/en
Priority to PCT/SE2024/050243 priority patent/WO2024210786A1/en
Priority to EP24714043.7A priority patent/EP4688325A1/en
Priority to CN202480023775.2A priority patent/CN121001850A/en
Publication of SE2350403A1 publication Critical patent/SE2350403A1/en
Publication of SE546847C2 publication Critical patent/SE546847C2/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
    • B24C3/00—Abrasive blasting machines or devices; Plants
    • B24C3/02—Abrasive blasting machines or devices; Plants characterised by the arrangement of the component assemblies with respect to each other
    • B24C3/06—Abrasive blasting machines or devices; Plants characterised by the arrangement of the component assemblies with respect to each other movable; portable
    • B24C3/065—Abrasive blasting machines or devices; Plants characterised by the arrangement of the component assemblies with respect to each other movable; portable with suction means for the abrasive and the waste material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
    • B24C5/00—Devices or accessories for generating abrasive blasts
    • B24C5/06—Impeller wheels; Rotor blades therefor
    • B24C5/066—Housings; Accessories therefor, e.g. liners
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
    • B24C3/00—Abrasive blasting machines or devices; Plants
    • B24C3/02—Abrasive blasting machines or devices; Plants characterised by the arrangement of the component assemblies with respect to each other
    • B24C3/06—Abrasive blasting machines or devices; Plants characterised by the arrangement of the component assemblies with respect to each other movable; portable
    • B24C3/065—Abrasive blasting machines or devices; Plants characterised by the arrangement of the component assemblies with respect to each other movable; portable with suction means for the abrasive and the waste material
    • B24C3/067—Self-contained units for floorings
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
    • B24C5/00—Devices or accessories for generating abrasive blasts
    • B24C5/06—Impeller wheels; Rotor blades therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
    • B24C9/00—Appurtenances of abrasive blasting machines or devices, e.g. working chambers, arrangements for handling used abrasive material

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Environmental & Geological Engineering (AREA)
  • Hydraulic Turbines (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)

Abstract

A shot blasting machine (100) comprising a liner system (200, 201) arranged to protect the machine in use,the shot blasting machine (100) comprising a blast wheel (910) comprised in a blast chamber (160) delimited by the liner system (200, 201),the liner system comprising:a back wear plate (260) and a front wear plate (270), integrally formed with a body of the shot blasting machine (100) and extending in planes transversal to an axis of rotation of the blast wheel (910), where each wear plate has a respective peripheral edge (410, 420),at least one top liner (210) and at least one side liner (220), arranged to sealingly engage the peripheral edges of the back wear plate (260) and the front wear plate (270), anda plurality of pressing elements (610, 620, 630) arranged to press (F) the at least one top liner (210) and the at least one side liner (220) against the peripheral edges of the back wear plate (260) and the front wear plate (270).

Claims (19)

Claims
1. A shot blasting machine (100) comprising a liner system (200, 201) arranged to protect the machine in use, the shot blasting machine (100) comprising a blast wheel (910) comprised in a blast chamber (160) delimited by the liner system (200, 201), the liner system comprising: a back wear plate (260) and a front wear plate (270), extending in planes transversal to an axis of rotation of the blast wheel (910), where each wear plate has a respective peripheral edge (410, 420), and where at least the back wear plate (260) is fixed to or integrally formed with a body of the shot blasting machine (100), at least one top liner (210) and at least one side liner (220), arranged to sealingly engage the peripheral edges of the back wear plate (260) and the front wear plate (270), and a plurality of pressing elements (610, 620, 630) arranged to press (F) the at least one top liner (210) and the at least one side liner (220) against the peripheral edges of the back wear plate (260) and the front wear plate (270).
2. The shot blasting machine (100) according to claim 1, where at least a part of the peripheral edge (410, 420) of the back wear plate (260) and of the front wear plate (270) are aligned in a direction perpendicular to the axis of rotation of the blast wheel (910).
3. The shot blasting machine (100) according to claim 1 or 2, where the front wear plate (270) is fixed to or integrally formed with a blast chamber access lid of the shot blasting machine (100).
4. The shot blasting machine (100) according to any previous claim, where the liner system (200, 201) further comprises a top plenum liner (230), a bottom plenum liner (240), and two side plenum liners (250) arranged to delimit an egress part of the blast chamber (160),where the two side plenum liners (250) are arranged to sealingly engage peripheral edges of the top plenum liner (230) and the bottom plenum liner (240), and where at least two pressing elements (640) are arranged to press (F) the two side plenum liners (250) against the peripheral edges of the top plenum liner (230) and the bottom plenum liner (240).
5. The shot blasting machine (100) according to claim 4, where the top plenum liner (230) and the bottom plenum liner (240) are held in position relative to the shot blasting machine body by fastening elements (710, 720).
6. The shot blasting machine (100) according to any previous claim, where at least one of the pressing elements (610, 620, 630, 640, 800) comprises a pair of threaded rods (830) extending out from the shot blasting machine body, where a plunger (810) on a center piece (840) of the pressing element is arranged to be pushed into an aperture (820) formed in the machine body by nuts (860) engaging the threaded rods (830).
7. The shot blasting machine (100) according to any previous claim, where at least one of the pressing elements (610, 620, 630, 640, 800) is arranged to press upon a gap (G2) between two liner components (210, 220) of the liner system.
8. The shot blasting machine (100) according to any previous claim, where a top liner (210) extends past the blast wheel (910) in the ingress direction (110) of the shot blasting machine (100).
9. The shot blasting machine (100) according to any previous claim, where a top liner (210) of the liner system is asymmetrical about a center of a curvature portion of the top liner.
10. The shot blasting machine (100) according to any previous claim, where the front wear plate (270) comprises at least one reinforcement element (275) extending in direction of the axis of rotation of the shot blasting wheel and arranged along at least a portion of the peripheral edge (420) of the front wear plate (270).
11. The shot blasting machine (100) according to any previous claim, where a thickness of the top liner (210) and/or a side liner (220) exceeds that of the back wear plate (260) and that of the front wear plate (270).
12. The shot blasting machine (100) according to any previous claim, where the shot blasting machine is a dual blast wheel machine, where the liner system (201) further comprises a center liner (280) arranged to support first and second top liners (210).
13. The shot blasting machine (100) according to any previous claim, where an interface between two liner components of the liner system, and/or an interface between a liner component and a wear plate, comprises a sealing compound.
14. The shot blasting machine (100) according to any previous claim, where the peripheral edges (410, 420) of the back wear plate (260) and the front wear plate (270) that contact the top liner (210) and the at least one side liner (220) have equal shape seen along a normal to an extension plane of the wear plate.
15. The shot blasting machine (100) according to any previous claim, where the peripheral edges (410, 420) of the back wear plate (260) and the front wear plate (270) that contact the top liner (210) and the at least one side liner (220) are U-shaped, where the legs of each U-shape are parallel.
16. The shot blasting machine (100) according to any previous claim, where the back wear plate (260) and/or the front wear plate (270) is shaped as a horse shoe, with a cut-out portion inbetween the peripheral edges (410, 420), or a portion of reduced thickness inbetween the peripheral edges (410, 420).
17. The shot blasting machine (100) according to any previous claim, where the back wear plate (260) and/or the front wear plate (270) is formed by a plurality of segments.
18. A method for installing a liner system (200, 201) in a shot blasting machine (100) to protect the machine in use, the shot blasting machine (100) comprising a blast wheel (910) comprised in a blast chamber (160) delimited by the liner system (200, 201), a back wearplate (260) and a front wear plate (270), extending in planes transversal to an axis of rotation of the blast wheel (910), where each wear plate has a respective peripheral edge (410, 420), and where at least the back wear plate (260) is fixed to or integrally formed with a body of the shot blasting machine (100), the method comprising: installing (S1) at least one top liner (210) and at least one side liner (220) to sealingly engage the peripheral edges of the back wear plate (260) and the front wear plate (270), and pressing (S3) the at least one top liner (210) and the at least one side liner (220) against the peripheral edges of the back wear plate (260) and the front wear plate (270) by a plurality of pressing elements (610, 620, 630) on the shot blasting machine (100).
19. The method according to claim 18, further comprising applying (S2) a sealing compound between the at least one top liner (210) and the at least one side liner (220), and/or between a liner (210, 220) and a wear plate (260, 270) peripheral edge.
SE2350403A 2023-04-05 2023-04-05 A shot blasting machine with an improved liner system SE546847C2 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
SE2350403A SE546847C2 (en) 2023-04-05 2023-04-05 A shot blasting machine with an improved liner system
PCT/SE2024/050243 WO2024210786A1 (en) 2023-04-05 2024-03-18 A shot blasting machine with an improved liner system
EP24714043.7A EP4688325A1 (en) 2023-04-05 2024-03-18 A shot blasting machine with an improved liner system
CN202480023775.2A CN121001850A (en) 2023-04-05 2024-03-18 Shot blasting machine with improved liner system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE2350403A SE546847C2 (en) 2023-04-05 2023-04-05 A shot blasting machine with an improved liner system

Publications (2)

Publication Number Publication Date
SE2350403A1 SE2350403A1 (en) 2024-10-06
SE546847C2 true SE546847C2 (en) 2025-02-25

Family

ID=90468622

Family Applications (1)

Application Number Title Priority Date Filing Date
SE2350403A SE546847C2 (en) 2023-04-05 2023-04-05 A shot blasting machine with an improved liner system

Country Status (4)

Country Link
EP (1) EP4688325A1 (en)
CN (1) CN121001850A (en)
SE (1) SE546847C2 (en)
WO (1) WO2024210786A1 (en)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2437493A1 (en) * 1974-08-03 1976-02-12 Berger Maschf Gmbh Cover for centrifugal wheel of grit blaster - has top which can be hinged clear from normally clamped position
US4291509A (en) * 1979-10-22 1981-09-29 Wheelabrator-Frye Inc. Guard housing and liner for bladed centrifugal blasting wheels
US5076028A (en) * 1990-04-19 1991-12-31 Mcdade Bernard F Housing for blast wheel
WO2000032357A1 (en) * 1998-11-23 2000-06-08 Dusan Mrak Surface cleaning apparatus using abrading particulate cleaning material
WO2007099135A2 (en) * 2006-03-01 2007-09-07 Wheelabrator Group Gmbh Spinner gate housing
CN112140010A (en) * 2020-09-26 2020-12-29 青岛兴东机械有限公司 Impeller head suitable for horizontal installation

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1037811A (en) 1963-03-18 1966-08-03 Tilghman S Ltd Improvements in or relating to linings for use with centrifugal blasting wheels
US4395851A (en) * 1981-02-03 1983-08-02 Watts W David Centrifugal abrasive blasting machine
DE3364555D1 (en) 1982-01-16 1986-08-28 Tilghman Wheelabrator Ltd Improvements in or relating to shot blast machinery
JP4085353B2 (en) 2000-06-26 2008-05-14 新東工業株式会社 Centrifugal projector
WO2017092806A1 (en) 2015-12-02 2017-06-08 Wheelabrator Group Limited Spring assembly to position liners in a blast wheel machine
US11498184B2 (en) * 2019-07-02 2022-11-15 National Flooring Equipment, Inc. Temperature control for blast wheel housing

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2437493A1 (en) * 1974-08-03 1976-02-12 Berger Maschf Gmbh Cover for centrifugal wheel of grit blaster - has top which can be hinged clear from normally clamped position
US4291509A (en) * 1979-10-22 1981-09-29 Wheelabrator-Frye Inc. Guard housing and liner for bladed centrifugal blasting wheels
US5076028A (en) * 1990-04-19 1991-12-31 Mcdade Bernard F Housing for blast wheel
WO2000032357A1 (en) * 1998-11-23 2000-06-08 Dusan Mrak Surface cleaning apparatus using abrading particulate cleaning material
WO2007099135A2 (en) * 2006-03-01 2007-09-07 Wheelabrator Group Gmbh Spinner gate housing
CN112140010A (en) * 2020-09-26 2020-12-29 青岛兴东机械有限公司 Impeller head suitable for horizontal installation

Also Published As

Publication number Publication date
SE2350403A1 (en) 2024-10-06
CN121001850A (en) 2025-11-21
EP4688325A1 (en) 2026-02-11
WO2024210786A1 (en) 2024-10-10

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