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WO2013118587A1 - Appareil de traitement de grenaillage et procédé de traitement de grenaillage - Google Patents

Appareil de traitement de grenaillage et procédé de traitement de grenaillage Download PDF

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Publication number
WO2013118587A1
WO2013118587A1 PCT/JP2013/051431 JP2013051431W WO2013118587A1 WO 2013118587 A1 WO2013118587 A1 WO 2013118587A1 JP 2013051431 W JP2013051431 W JP 2013051431W WO 2013118587 A1 WO2013118587 A1 WO 2013118587A1
Authority
WO
WIPO (PCT)
Prior art keywords
workpiece
clamping
clamp
shot processing
projection
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.)
Ceased
Application number
PCT/JP2013/051431
Other languages
English (en)
Japanese (ja)
Inventor
万俊 山本
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.)
Sintokogio Ltd
Original Assignee
Sintokogio Ltd
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 Sintokogio Ltd filed Critical Sintokogio Ltd
Priority to JP2013557462A priority Critical patent/JP6066459B2/ja
Priority to CN201380000474.XA priority patent/CN103370170B/zh
Priority to KR1020147015271A priority patent/KR101661042B1/ko
Publication of WO2013118587A1 publication Critical patent/WO2013118587A1/fr
Priority to IN4301CHN2014 priority patent/IN2014CN04301A/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
    • B24C3/00—Abrasive blasting machines or devices; Plants
    • B24C3/18—Abrasive blasting machines or devices; Plants essentially provided with means for moving workpieces into different working positions
    • B24C3/20—Abrasive blasting machines or devices; Plants essentially provided with means for moving workpieces into different working positions the work being supported by turntables
    • B24C3/24—Apparatus using impellers
    • 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

Definitions

  • the present invention relates to a shot processing apparatus and a shot processing method.
  • the present invention has been made in response to the above request, and provides a shot processing apparatus and a shot processing method capable of preventing an unprocessed portion from being generated on a work even in a shot process in which a work is held by a clamping device. For the purpose.
  • a shot processing device that performs shot processing by projecting a projection material onto a workpiece, A clamping device for detachably holding the workpiece; A projector that projects a projection material onto the workpiece sandwiched by the clamping device; A moving mechanism for relatively moving the workpiece and the clamping device; A control device for controlling the operation of the moving mechanism, The control device operates the moving mechanism so that the clamping device clamps the workpiece at at least two clamping positions that do not overlap each other; A shot processing apparatus is provided.
  • control device operates the moving mechanism so that the clamping device clamps the workpiece at at least two clamping positions that do not overlap with each other.
  • the area of the workpiece surface that was not shot by the projection is shot by the second projection.
  • the shot processing apparatus further comprises a cabinet with a projection chamber;
  • the moving mechanism includes a conveyor that conveys the workpiece, and a loading / unloading device that conveys the workpiece between the conveyor and the cabinet,
  • the moving mechanism includes the carry-in / out device and the conveyor.
  • a rotation plate that is rotatable about an axis parallel to the conveying line of the conveyor; When the rotating plate rotates, the workpiece held between the clamp devices is projected between the projection area where the projection material is projected and the carry-in / out area which is delivered to the carry-in / out device arranged at the second position. It is moved with.
  • the two clamping devices are arranged on the rotating plate at positions facing each other in the diameter direction. According to such a configuration, in parallel with the process of changing the clamping position with respect to a certain work, it is possible to perform a process of projecting another work in the projection area.
  • the rotating plate can be rotated forward and backward within a range of at least 180 ° by a rotating mechanism. According to such a configuration, wiring becomes easier as compared with the case where the rotating plate can rotate only in one direction.
  • a rotation mechanism for rotating the clamp device around an axis parallel to the rotation center line of the rotating plate An angular position detector that detects a rotational angular position about the axis of the clamping device;
  • a rotation control unit capable of controlling the operation of the rotation mechanism so as to stop the clamp device at an arbitrary rotation angle position based on a detection result of the angular position detection unit; According to such a configuration, the workpiece can be stopped in a predetermined posture so that efficient projection can be performed.
  • a first clamping step of clamping the workpiece between the clamp claws, A first projecting step of projecting a projection material onto the workpiece sandwiched between the clamp claws, A second clamping step of clamping the workpiece again with the clamp pawl at a position completely different from the clamping position in the first clamping step; A second projecting step of projecting a projection material onto the workpiece again, and A shot processing method is provided.
  • the workpiece is shot in the second projection step, which is not shot in the first projection step because the workpiece has been clamped by the clamping device in the first clamping step.
  • a plurality of the clamp claws are provided, In parallel with the first or second projecting step for the first workpiece, the first or second clamping step for the second workpiece is performed. According to such a configuration, the workpiece can be processed efficiently.
  • the shot processing apparatus and the shot processing method according to the present invention having the above-described configuration, it is possible to prevent an unprocessed portion from being generated on the workpiece even in the shot processing in which the workpiece is clamped by the clamping device.
  • FIG. 8A is a front sectional view of the clamp device.
  • FIG. 8B is a cross-sectional view taken along line 8B-8B in FIG.
  • FIG. 9 is a sectional view taken along line 9-9 in FIG. It is sectional drawing of the back view which shows the clamp apparatus in the shot blasting apparatus which concerns on one Embodiment of this invention, and its peripheral part. It is a left view which shows the inversion mechanism of the clamp apparatus in the shot blasting apparatus which concerns on one Embodiment of this invention. It is a figure which shows the state of the shot blasting process in the shot blasting apparatus which concerns on one Embodiment of this invention.
  • an arrow FR appropriately shown indicates the front side of the apparatus when viewed from the front
  • an arrow UP indicates the upper side of the apparatus
  • an arrow LH indicates the left side of the apparatus when viewed from the front.
  • FIG. 1 is a front view of the shot blasting apparatus 10
  • FIG. 2 is a right side view of the shot blasting apparatus 10
  • FIG. 3 is a left side view of the shot blasting apparatus 10.
  • 4 is a rear view of the shot blasting apparatus 10
  • FIG. 5 is a plan view of the shot blasting apparatus 10
  • FIG. 6 is a horizontal sectional view of the shot blasting apparatus 10.
  • work W which is a to-be-processed object which receives the shot blast process with the shot blasting apparatus 10 is a casting product cast using the core, for example, is a cylinder block of an automobile engine.
  • the shot blasting apparatus 10 includes a conveyor 14 constituting a part of the moving mechanism 12 that conveys the workpiece W on the back side of the apparatus.
  • the conveyor 14 includes a plurality of rolls driven by an endless track-like transport body (endless belt) 14 ⁇ / b> B wound around pulleys 14 ⁇ / b> A provided on both the left and right sides of the apparatus.
  • a driving portion (motor) 14 ⁇ / b> C that rotates the pulley 14 ⁇ / b> A is connected to the shaft portion of the pulley 14 ⁇ / b> A via a driving force transmission unit.
  • the drive unit 14C is connected to a control unit (microcomputer) 16 and its operation is controlled by the control unit 16 (details will be described later).
  • the conveyor 14 Under the control of the control unit 16, the conveyor 14 can transport the workpiece W placed on the conveyor 14 in the direction from the right side of the apparatus toward the left side of the apparatus, and can be temporarily stopped.
  • a recovery screw conveyor 15 (see FIG. 4) is disposed below the conveyor 14 to recover the sand and the projection material that have fallen from the workpiece W and send them to the apparatus main body.
  • a cabinet 18 is provided on the conveyor line side of the conveyor 14 (on the front side of the apparatus). Inside the cabinet 18, a projection chamber 20 is formed that performs surface processing (shot blasting) of the workpiece W by projecting the projection material onto the workpiece W. Projection of the projection material onto the workpiece W is performed by a projector 22 described later.
  • a loading / unloading port for loading and unloading the workpiece W is formed on the conveyor 14 side of the cabinet 18, and an automatic opening / closing door is provided at the loading / unloading port.
  • a loading / unloading device 24 that constitutes a part of the moving mechanism 12 is provided on the side opposite to the cabinet 18 (on the back side of the device) across the conveyor 14.
  • the carry-in / out device 24 can carry in / out the workpiece W between the conveyor 14 and the cabinet 18.
  • the carry-in / out device 24 is connected to the control unit 16 and connected to the hydraulic unit 28, and the operation is controlled by the control unit 16 (details will be described later).
  • each clamping device 26 includes a clamping portion 82 that clamps the workpiece W with the clamping claw portion 82A, and clamps the workpiece W carried into the cabinet 18 by the loading / unloading device 24. It is comprised so that it may be clamped by the part 82A.
  • work W is shown with the typical shape.
  • the clamp device 26 is coupled to a hydraulic unit 28 connected to the control unit 16, and the operation is controlled by the control unit 16. The structures of the carry-in / out device 24 and the clamp device 26 will be described later.
  • the conveyor 14 and the carry-in / out device 24 can relatively move the workpiece W and the clamp device 26 (clamp claw portion 82 ⁇ / b> A) under the control of the control unit 16.
  • the control unit 16 operates the conveyor 14 and the loading / unloading device 24 so that the clamping device 26 clamps the workpiece at at least two clamping positions that do not overlap each other.
  • the contact position at which the clamp claw portion 82A contacts the workpiece W can be changed when the workpiece is clamped by the clamp device. That is, the same workpiece W can be clamped at at least two clamping positions (completely different clamping positions) that do not overlap each other.
  • a plurality of projectors 22 are provided on the front side of the cabinet 18.
  • a centrifugal projector is used as the projector 22.
  • centrifugal force is applied to the projection material (shot, in this embodiment, a steel ball as an example) by the rotation of the impeller (impeller).
  • the projection material accelerated by the centrifugal force is projected onto the workpiece W sandwiched between the clamp claws 82 ⁇ / b> A (see FIG. 7) of the clamp device 26 in the projection chamber 20.
  • These projectors 22 are also connected to the control unit 16, and the projection timing and the projection time are controlled by the control unit 16 so as to project the projection material continuously for a predetermined time after the work W is arranged in the projection chamber 20. ing.
  • a lower end of an introduction pipe 30 for supplying a projection material is provided above the projector 22, and a flow rate adjusting device for adjusting the flow rate of the projection material at the upper end of the introduction pipe 30. 32 is provided.
  • the flow rate adjusting device 32 is configured to limit the amount of the projection material supplied to the introduction pipe 30 to an optimum amount for projection. By supplying an optimal amount of the projection material to the projector 22 in this way, the projection material is projected from the projector 22 at an optimal speed.
  • the projector 22 is connected to a circulation device 34 via an introduction pipe 30 and a flow rate adjustment device 32.
  • the circulation device 34 is a device for conveying the projection material projected by the projector 22 and circulating it to the projector 22.
  • a screw conveyor 34 ⁇ / b> A is arranged at a lower portion of the cabinet 18, specifically, a lower position of a hopper into which a projection material mixed with burrs and the like after being projected onto the workpiece W is introduced.
  • the screw conveyor 34A extends in the left-right direction of the apparatus, and is configured to be able to convey the projection material and the like in the right direction of the apparatus.
  • a lower end portion of the bucket elevator 34B is disposed adjacent to the downstream side in the conveying direction of the screw conveyor 34A.
  • the bucket elevator 34B extends in the vertical direction of the apparatus, and includes a pulley, an endless belt, a bucket, and the like.
  • the bucket elevator 34B is configured to convey the projection material and the like put in the bucket to the upper side of the apparatus, and discharges the projection material and the like on the squeeze conveyor 34C at the upper part of the apparatus.
  • the skew conveyor 34 ⁇ / b> C extends in the left-right direction of the apparatus, and can convey a projection material or the like in the left direction of the apparatus.
  • a rotary screen 34D is provided on the downstream side in the conveying direction of the skew conveyor 34C. The rotary screen 34D can separate burrs and rough from the projection material mixed with burrs and rough, and is configured to discharge the rough and the like to the roughing pipe 34P.
  • a wind-selective magnet separator 34E is provided below the rotary screen 34D. Projection material or the like from which roughness is removed flows into the wind-selective magnet separator 34E.
  • the wind-selective magnet separator 34E includes upper and lower two-stage magnet drums, each of which separates the projection material or the like from which the coarseness is removed into an iron component and a non-ferrous component.
  • the wind selective magnet separator 34E is connected to a dust collector (not shown) via a duct 34I, and further includes a wind selective separator. The wind separator can be sorted into light and heavy by sucking air from the dust collector side, and it can recycle the iron component separated by the first stage magnetic drum and other materials. Separated into fine powder.
  • a projection material tank 34F and a fine powder discharge pipe 34G are connected to the wind-selective magnet separator 34E. Reusable projection material separated by a wind-selective separator flows into the projection material tank 34F.
  • the fine powder discharge pipe 34G is used for discharging fine powder separated by a wind-selective separator and discharging non-ferrous components separated by a second-stage magnet drum.
  • An overflow pipe 34H is connected to the wind selective magnet separator 34E.
  • the overflow pipe 34H is connected to the cabinet 18, and is a pipe for circulating the iron component separated by the second-stage magnet drum and returning it to the interior of the cabinet 18 without being separated by the first-stage magnet drum. Has been.
  • the above-mentioned projection material tank 34F is arranged below the wind-selective magnet separator 34E. Reusable projection material is accommodated in the projection material tank 34F.
  • the projection material tank 34 ⁇ / b> F is a temporary storage tank for supplying the projection material to the flow rate adjustment device 32, and is disposed on the upper side of the flow rate adjustment device 32. When the valve of the flow rate adjusting device 32 is opened, the projection material is projected by the projector 22 through the introduction pipe 30.
  • a suction port 36 ⁇ / b> A is formed in the ceiling portion of the cabinet 18, and the interior of the cabinet 18 communicates with a dust collector via a duct 34 ⁇ / b> I.
  • the dust collector removes dust from the sucked air from the wind-selective magnet separator 34E and the cabinet 18 through the duct 34I, stores the dust in a dust receiving box, and discharges clean air to the outside of the apparatus.
  • the carry-in / out device 24 includes a traveling carriage 40.
  • the traveling carriage 40 can travel along a rail (not shown) extending in a direction orthogonal to the conveying direction of the conveyor 14. This rail is provided on a beam member having one end supported on the cabinet 18 side.
  • an elevating guide 42 extending to the lower side of the apparatus is fixed to the lower surface of the traveling carriage 40.
  • two states that is, a state in which the loading / unloading device 24 is at the position on the conveyor 14 side and a state at the position on the cabinet 18 side are indicated by imaginary lines (two-dot chain lines).
  • the lift guide 42 is provided with a lift actuator 44 constituted by a hydraulic cylinder.
  • the elevating actuator 44 is connected to the hydraulic unit 28, and a rod can be expanded and contracted in the vertical direction of the apparatus along the elevating guide 42.
  • the hydraulic unit 28 includes a hydraulic control device (such as a solenoid valve) and an oil supply source such as an oil tank connected to the hydraulic control device.
  • a lifting member 45 that can be lifted and lowered along the lifting guide 42 is connected to the rod of the lifting actuator 44. Further, a product placement member 46 is coupled to the elevating member 45, and the workpiece W is placed on the product placement member 46. That is, the product placing member 46 is an arm member for transferring the workpiece W between the conveyor 14 side and the clamping device 26 (see FIG. 3) side, and is lifted and lowered by the expansion and contraction of the rod of the lifting actuator 44. It is like that.
  • a drive motor 48 is mounted on the traveling carriage 40.
  • the traveling carriage 40 is provided with a pinion (not shown) that rotates by the operation of the drive motor 48.
  • the pinion is disposed with the vertical direction of the apparatus as an axial direction, and meshes with a rack 50 extending in the longitudinal direction of the apparatus to transmit the driving force of the drive motor 48 to the rack 50. That is, the product placement member 46 (see FIG. 2) reciprocates between the conveyor 14 side and the cabinet 18 side (clamp device 26 side) by the operation of the drive motor 48.
  • a cable carrier 51 is provided at the upper part of the apparatus for supplying power to the carry-in / out apparatus 24.
  • the hydraulic control devices of the drive motor 48 and the hydraulic unit 28 are connected to the control unit 16, and the operation is controlled by the control unit 16.
  • two clamping devices 26 are attached to a circular rotating plate 54A.
  • the two clamping devices 26 are arranged on the rotating plate 54 ⁇ / b> A at a position 180 ° apart in the circumferential direction.
  • the rotating plate 54A constitutes a side plate portion of the drum 54 that is a reversing drum.
  • an outer peripheral portion 54B of the drum 54 that is formed in a cylindrical shape is formed with an opening that also serves as a loading / unloading port for the workpiece W and an opening for passing the projection material.
  • the rotating plate 54A can be rotated 180 ° around the axis of the rotating shaft 56 by the rotating mechanism 52.
  • the center of the rotating plate 54A is fixed to a rotating shaft 56 whose axial direction is the direction along the conveying line of the conveyor 14.
  • the rotation shaft 56 is provided near the center of the cabinet 18 in the front-rear direction of the apparatus, and is supported by a bearing portion 58 provided on a side wall portion of the cabinet 18.
  • FIG. 11 shows a left side view of the configuration of the rotation mechanism 52.
  • the drum 54 is rotatably supported by a drum receiving roller 74 at the lower side of the drum 54.
  • the drum receiving roller 74 is rotatable about an axis in the left-right direction of the apparatus (direction perpendicular to the paper surface), and is supported by the lower portion of the cabinet 18.
  • a roller chain 60 is wound around the outer peripheral portion 54B of the drum 54 and the outer peripheral portion of the chain wheel 62 disposed on the upper side of the drum 54.
  • the chain wheel 62 is coaxially fixed to the shaft portion of the drive motor 64.
  • the driving force of the driving motor 64 is transmitted to the chain wheel 62, the roller chain 60, and the drum 54.
  • the rotating plate 54 ⁇ / b> A is rotated around the rotating shaft 56 by the rotation of the drum 54.
  • the rotation mechanism 52 can move the clamping portion 82 of each clamp device 26 between the loading / unloading area A1 and the projection area A2 of the workpiece W by rotating the rotating plate 54A.
  • the drive motor 64 can rotate forward and backward, and the rotating plate 54 ⁇ / b> A can be rotated forward and backward by 180 ° by the rotating mechanism 52.
  • the drive motor 64 is disposed on the left side of the deck for the wind-selective magnet separator 34 ⁇ / b> E (the right side in FIG. 4), is connected to the control unit 16, and is controlled by the control unit 16. Operation is controlled.
  • a cable carrier 65 is provided for supplying power to the drive motor 64.
  • a hoist rail 66 for clamp maintenance is provided corresponding to the upper side and the lower side of the rotating plate 54A.
  • known detection means for detecting the rotational angle position of the drum 54 is provided on the outer peripheral portion 54B of the drum 54 and on the outer peripheral side thereof. This detection means is connected to the control unit 16. The controller 16 controls the operation of the drive motor 64 so as to set the rotation angle position of the drum 54 to a predetermined position based on the detection result of the detection means.
  • a concave lock bracket 68 is fixed in the concave portion of the outer peripheral portion 54B.
  • Two lock brackets 68 are provided, and are set at positions 180 degrees apart in the circumferential direction around the rotation shaft 56. Further, the positional relationship between the lock bracket 68 and the clamp device 26 is such that when the drum 54 is stopped at a position where the pair of lock brackets 68 are lined up and down, the pair of clamp devices 26 are not aligned horizontally and the front side of the device is located.
  • the clamping device 26 is set to be slightly in the upper position.
  • a lock fitting 70 that can be engaged with the lock receptacle 68 is provided on the upper side of the drum 54.
  • the lock fitting 70 is fixed to the rod lower end side of the lock actuator 72, which is a hydraulic cylinder, via a joint or the like.
  • the rod of the lock actuator 72 can be expanded and contracted in the vertical direction of the apparatus along the guide, and as a result, the lock fitting 70 is located in a position where it is fitted inside the lock receiving fitting 68 and a position away from the outer peripheral portion 54B of the drum 54. It is possible to move between.
  • the lock actuator 72 is connected to the control unit 16 via the hydraulic unit 28, and the operation is controlled by the control unit 16.
  • the clamp device 26 is attached to the rotating plate 54 ⁇ / b> A via a bearing (not shown) and includes a rotating body 76.
  • the rotating body 76 is a base member provided so as to be rotatable about an axis orthogonal to the rotating plate 54A.
  • the rotating body 76 is provided with a pair of support shafts 78 ⁇ / b> A and 78 ⁇ / b> B that are rotatable in parallel with each other in the axial direction.
  • the axial direction of the pair of support shafts 78A and 78B is set to a direction orthogonal to the rotation shaft 56 of the rotating plate 54A.
  • a pair of arms 80 are attached to the rotating body 76 in a cantilever state via a pair of support shafts 78A and 78B.
  • the pair of arms 80 are opposed to each other with a predetermined interval.
  • Each arm 80 includes an arm main body 80A fixed to the support shafts 78A and 78B, and a clamp member 80B (clamping member) attached to the tip of the arm main body 80A.
  • the clamp member 80B is movable with respect to the arm body 80A in the rotational direction about an axis parallel to the axial direction of the support shafts 78A and 78B, and a plurality of clamp claws 82A for sandwiching the workpiece W are provided.
  • one end portion of the anti-rotation link member 84 is pin-connected to the lower clamp member 80B1 in the drawing, and the other end portion of the anti-rotation link member 84 is connected to the rotating body 76. Pin connected.
  • the rotating body 76, the arm main body 80A, the clamp member 80B1, and the rotation preventing link member 84 constitute a parallel link mechanism. With such a configuration, the lower clamp member 80B1 in the drawing can maintain a horizontal state.
  • the number and arrangement position of the clamp claws 82A provided on one arm 80 are provided on the other arm 80 (lower side in FIG. 7). This is different from the number and arrangement position of the clamping claw portions 82A. As a result, the workpieces W having different areas on the upper and lower surfaces can be stably held.
  • the clamping part is replaceable, and a clamping part in which the number, arrangement, and shape of clamping claws are set so that the workpiece can be clamped most stably according to the dimension and shape of the workpiece is used. Is done.
  • a clamping unit in which the number, arrangement, and shape of clamp claws are set so that all the workpieces to be handled can be clamped stably is used.
  • FIG. 8A is a cross-sectional view seen from the same direction as FIG. 7, and FIG. 8B is a cross-sectional view taken along line 8B-8B in FIG. 8A.
  • FIG. 9 is a cross-sectional view taken along line 9-9 in FIG. In FIGS. 8 and 9, the hatching of the cut portion is omitted as appropriate. Furthermore, in FIG. 9, the workpiece W is shown in a schematic shape.
  • one end of the first link member 91 is fixed to the support shaft 78A which is one of the pair of support shafts 78A and 78B.
  • One end of the second link member 92 is pin-connected to the other end of the first link member 91 by a first pin 90 (connected so as to be relatively rotatable).
  • one end of the third link member 93 is fixed to the support shaft 78B which is the other of the pair of support shafts 78A and 78B.
  • One end of the fourth link member 94 is pin-connected to the other end of the third link member 93 by a second pin 96 (connected so as to be relatively rotatable).
  • the other ends of the two third link members 93 are arranged at a position sandwiching the other ends of the two first link members 91.
  • One first pin 90 and two second pins 96 are provided, and the second pins 96 are arranged on both sides of the first pin 90 in the axial direction.
  • the other end of the second link member 92 and the other end of the fourth link member 94 are connected to the attached portion 98 ⁇ / b> A on the distal end side of the coupling body 98.
  • the three pins 100 are connected.
  • the coupling body 98 extends in a direction orthogonal (intersects) with respect to an imaginary line connecting the pair of support shafts 78A and 78B.
  • the rod of the actuator 102 (hydraulic cylinder in this embodiment) is attached to the base end side (left side in the figure) of the coupling body 98.
  • the actuator 102 is connected to the hydraulic unit 28 (shown as a block in FIG. 9), and reciprocally moves the connecting body 98 in the direction in which the connecting body extends (left and right in the drawing) by the forward and backward movement of the rod.
  • the actuator 102 is connected to the control unit 16 via the hydraulic unit 28, and the operation is controlled by the control unit 16. Then, as the connecting body 98 reciprocates, the first to fourth link members 91 to 94 and the arm 80 are interlocked to open and close the arm 80 of the clamp device 26 as shown in FIGS. It has a structure. 7 and 10, a state where the arm 80 is slightly closed is indicated by a two-dot chain line.
  • the clamping device 26 is provided with a rotation mechanism 104.
  • the rotation mechanism 104 will be described.
  • a cylindrical body 105 is disposed on the outer peripheral side of the connecting body 98.
  • the cylindrical body 105 is disposed coaxially with the coupling body 98 and is fixed to the coupling body 98, and a gear 106A is integrally provided on the outer peripheral side.
  • a gear 106B is engaged with the gear 106A.
  • the gear 106B is coaxially fixed to the output shaft of the drive motor 108 for rotation with a reduction gear. Then, by the operation of the drive motor 108, the gears 106B, 106A, the cylindrical body 105, and the connecting body 98 rotate around the axis of the connecting body 98, and in conjunction with this, the first to fourth link members 91- 94 and the arm 80 also rotate (spin).
  • the rotation mechanism 104 rotates the clamp device 26 around an axis parallel to the rotation center line (the rotation shaft 56 (see FIG. 6)) of the rotation plate 54A.
  • the drive motor 108 is connected to a rotation control unit 16A as rotation control means that constitutes a part of the control unit 16, and the operation is controlled by the rotation control unit 16A.
  • the clamp device 26 is provided with a gear train 110 having a gear that meshes with the gear 106A.
  • a rotation tachometer 112 as an angular position detection unit is connected to the gear train 110.
  • the rotation tachometer 112 rotates in conjunction with the gear train 110 to detect a rotation angle position (rotation position) around the axis of the clamp device 26 and is connected to the rotation control unit 16A.
  • the rotation control unit 16A can control the operation of the rotation mechanism 104 so as to stop the clamp device 26 at an arbitrary rotation angle position by controlling the drive motor 108 based on the detection result of the rotation tachometer 112. .
  • the workpiece W is conveyed while being placed on the conveyor 14.
  • the conveyor 14 is stopped.
  • the workpiece receiving claw of the product placement member 46 of the carry-in / out device 24 arranged below the roll of the conveyor 14 is raised through the space between the rolls, and the workpiece W placed on the conveyor 14 is placed on the product.
  • the work is placed on the work receiving claw of the placing member 46 and lifted upward from the conveyor 14.
  • the traveling carriage 40 is moved forward in the cabinet direction, and the workpiece W placed on the workpiece receiving claw of the product placement member 46 is placed above the arm of one clamp device 26 that is disposed in the loading / unloading area A1 and is in the open state. Place in the position.
  • the product placement member 46 is lowered, and the workpiece W on the workpiece receiving claw of the product placement member 46 is disposed on the arm of one clamp device 26, and the traveling carriage 40 is moved backward toward the conveyor 14.
  • the pair of arms 80 of the clamp device 26 are moved in the closing direction, and the workpiece W is clamped by the clamp claws 82A provided on the arm 80 (first clamping step).
  • the operation of the clamp device 26 will be described with reference to FIGS.
  • the actuator 102 reciprocates the connection body 98 along the direction in which the connection body extends
  • the second link member 92 and the fourth link member 94 connected to the distal end side of the connection body 98 are also interlocked with the connection body 98.
  • the first link member 91 pin-connected to the second link member 92 and the third link member 93 pin-connected to the fourth link member 94 are rotationally displaced, and the first link member 91 is fixed.
  • the support shaft 78A and the support shaft 78B to which the third link member 93 is fixed rotate about their own axes.
  • the pair of arms 80 attached to the rotating body 76 in a cantilever state via the pair of support shafts 78A and 78B are displaced in the clamping direction or in the opposite opening direction. That is, when the rod of the actuator 102 is operated in the expansion / contraction direction by a control command from the control unit 16, the pair of arms 80 are displaced in the clamping direction or the opening direction, and the workpiece W is clamped or released by the clamp claw portion 82A. To do.
  • the 1st link member 91 and the 3rd link member 93 by which one end was fixed to a pair of support shaft 78A, 78B are separate pins (1st pin 90, 2nd pin 96). Therefore, the assembly workability is good because it is pin-connected to the separate members (the second link member 92 and the fourth link member 94). That is, in the configuration in which the link members corresponding to the first link member 91 and the third link member 93 are pin-connected to the same member with a single pin, the pin is difficult to pass through, but in the present embodiment, such a problem is caused. Can be eliminated.
  • the two clamping devices 26 are attached to the rotating plate 54 ⁇ / b> A at a position opposed to the diameter direction, that is, a position 180 ° apart in the circumferential direction.
  • the rotating plate 54 ⁇ / b> A can be rotated forward and backward by 180 ° about the axis in the direction along the conveying line of the conveyor 14 by the rotating mechanism 52.
  • the drive motor 64 rotates the drum 54 forward by 180 ° in accordance with a control command from the control unit 16 to reverse the arrangement of the clamping devices 26 arranged in the horizontal direction.
  • one clamping device 26 arranged in carry-in / out area A1 is moved to projection area A2.
  • the workpiece W clamped by the clamping unit 82 of one clamping device 26 is moved from the carry-in / out area A1 to the projection area A2. Further, the other clamping device 26 arranged in the projection area A2 is moved to the carry-in / out area A1 by the forward rotation of the drum 54.
  • the drum 54 (rotary plate 54 ⁇ / b> A) is stopped at a predetermined position other than the reference stop position (position where the pair of clamp devices 26 are arranged in the horizontal direction) according to a control command of the control unit 16. It is possible. As a result, after the drive motor 64 rotates the drum 54 forward by a predetermined angle in accordance with a control command from the control unit 16, the lock actuator 72 fits the lock fitting 70 into the lock catch 68 and the position shown in FIG.
  • the clamping device 26 can also be arranged in When the lock fitting 70 and the lock receiving bracket 68 are in an engaged state before the drum 54 is rotated, the lock actuator 72 separates the lock fitting 70 from the lock receiving bracket 68 before the above operation. .
  • the drive motor 108 of the rotation mechanism 104 is rotated by the control command of the rotation control unit 16A, and in conjunction with this, the clamp device 26 rotates about an axis parallel to the rotation center line of the rotating plate 54A (autorotation). To do. Thereby, the workpiece
  • FIG. 11 shows a state in which the lock fitting 70 and the lock receiving piece 68 shown in FIG. 11 are stopped
  • the clamp device 26 is stopped at a predetermined rotation angle position.
  • the projection material By disposing the workpiece W in such a posture that the projection material vertically enters the groove M1 of the workpiece W, the projection material can be intensively projected into the groove M1. That is, wasteful hitting of the projection material is suppressed, and the sand in the groove M1 of the workpiece W is removed in a short time, so that efficient shot blasting can be performed.
  • the drum 54 is accurately positioned (stopped) at a predetermined position (a preset position) other than the reference stop position. Can be made.
  • the clamping position of the clamping claw portion 82A with respect to the workpiece W for which the first projection process has been completed is changed, and a second clamping process is performed in which the workpiece W is clamped at a position that does not overlap the clamping position clamped in the first clamping process. .
  • the workpiece W is moved by a predetermined distance, and the workpiece W is moved by the clamping claw portion 82A at a position different from the clamping position in the first clamping step. And pinch again.
  • the moving distance of the workpiece W is set to be larger than the width of the clamp claw portion 82A (the length in the left-right direction in FIG. 7) and smaller than half of the interval between the adjacent clamp claw portions 82A. For example, it is set to the length of the arrow X in FIG.
  • the projector 22 is based on the control command of the control unit 16. Stop the projection. Then, in accordance with a control command from the control unit 16, the drive motor 64 reverses the drum 54 by 180 ° and reverses the arrangement of the pair of clamp devices 26. Thereby, the workpiece
  • the arm 80 holding the workpiece W for which the first projection process has been completed is opened.
  • the traveling carriage 40 is advanced in the cabinet direction, and the product placement member 46 is disposed at a position below the carry-in / out area A1.
  • the product placement member 46 is raised, and the workpiece W for which the first projection process has been completed is transferred from the arm 80 onto the workpiece receiving claw of the product placement member 46.
  • the traveling carriage 40 is retracted to a position where the workpiece W sandwiched by the clamp device 26 is disposed on the roll of the transport conveyor 14, and the product placement member 46 is lowered.
  • the work W for which the first projecting step has been completed is returned to the carry-in / out area A1, and is further carried onto the conveyor 14.
  • the conveyor 14 is operated for a predetermined time, and the workpiece W is moved in the transport direction downstream by a predetermined distance.
  • the workpiece W after the first projecting step is moved from the position on the conveyor 14 arranged before the first clamping step to the downstream side in the conveying direction by a predetermined distance, and the carry-in / out device 24 and the clamping device 26 are moved. Is moved by a predetermined distance.
  • the workpiece receiving claw of the product placement member 46 that has been lowered below the roll of the conveyor 14 is raised through the space between the rolls, and the workpiece W placed on the conveyor 14 is moved to the workpiece of the product placement member 46. It is placed on the catch claw and lifted upward from the conveyor 14.
  • the position where the workpiece receiving claw of the product placement member 46 contacts the workpiece W is the workpiece holder in the first clamping step.
  • the claw is shifted from the contact position with the workpiece W to the upstream side in the transport direction by a length corresponding to a predetermined distance.
  • the traveling carriage 40 is moved forward in the cabinet direction, and the workpiece W placed on the workpiece receiving claw of the product placement member 46 is placed above the arm of one clamp device 26 that is disposed in the loading / unloading area A1 and is in the open state. Place in the position.
  • the product placing member 46 is lowered, and the workpiece W on the workpiece receiving claw of the product placing member 46 is disposed on the arm of one clamp device 26 in the open state, and the traveling carriage 40 is moved toward the conveyor 14.
  • the pair of arms 80 of the clamp device 26 are moved in the closing direction, and the workpiece W is clamped by the clamp claws 82A provided on the arm 80 (second clamping step).
  • the clamping claw portion 82A of the arm 80 of the clamping device 26 contacts the workpiece W.
  • the position (clamping position) is shifted from the contact position (clamping position) with the workpiece W in the first clamping process to the upstream side in the transport direction by a length corresponding to a predetermined distance.
  • the surface area of the workpiece W covered with the clamping claw portion 82A at the time of clamping in the first clamping step is not covered with the clamping claw portion 82A and is exposed at the time of clamping in the first clamping step.
  • the surface area where the clamp claw portion 82A is in contact with the workpiece W after the first projection process is completely different from the surface area where the clamp claw portion 82A is in contact with the workpiece W during the first projection process. It is a different part.
  • the drive motor 64 causes the drum 54 to rotate forward 180 ° in accordance with a control command from the control unit 16, and the arrangement of the pair of clamp devices 26 is reversed.
  • the clamping part 82 of the clamp apparatus 26 which clamps the workpiece
  • the projection material is again projected onto the workpiece W from the projector 22 according to a control command from the control unit 16 (second projecting step).
  • the projection time of the second projection process is set to 1 ⁇ 2 of the total projection time preset for the workpiece W.
  • the drive motor 64 reverses the drum 54 by 180 ° and reverses the arrangement of the pair of clamp devices 26.
  • the clamping part 82 which clamped the workpiece
  • the arm 80 holding the workpiece W for which the second projection process has been completed is opened by a control command from the control unit 16.
  • the traveling carriage 40 moves forward, raises the product placement member 46, receives the workpiece W for which the second projection process has been completed from the arm 80, and places it on the product placement member 46.
  • the traveling carriage 40 moves backward to a position where the workpiece W on the product placement member 46 is disposed on the roll of the transport conveyor 14 and lowers the product placement member 46.
  • the workpiece W for which the second projecting step has been completed is returned to the carry-in / out area A1, and is further carried onto the conveyor 14. And it is carried out of the shot processing apparatus by the conveyor 14.
  • the region that has not been subjected to the shot blasting process because the clamp claw 82A is in contact in the first projection process is changed to the second projection by changing the clamping position. It is exposed in the process. As a result, it is possible to prevent the occurrence of an unprocessed area that is not shot blasted while using the clamp device 26.
  • the number and arrangement position of the clamp claw portions 82A provided on one arm 80 are different from the number and arrangement position of the clamp claw portions 82A provided on the other arm 80. ing. Furthermore, the clamping part can be replaced with a clamping part in which the arrangement of the clamp claws is different. For this reason, the workpiece
  • both of the pair of clamping devices 26 work. W is pinched.
  • the clamping device 26 is holding (loading and unloading) the workpiece W in the loading / unloading area A1 (the first clamping step or the second clamping step), the workpiece W clamped by the clamping device 26 in the projection area A2.
  • the projector 22 projects the projection material on the first projection process or the second projection process. For this reason, the workpiece
  • the centrifugal projector 22 is applied as the projector.
  • the projector may be another projector such as an air nozzle projector that pumps the projection material together with the compressed air and injects it from the nozzle. It may be a projector.
  • the shot processing apparatus is the shot blasting apparatus 10, but the shot processing apparatus may be another shot processing apparatus such as a shot peening apparatus. Further, an apparatus having the same configuration as that of the shot blasting apparatus 10 may be used as the shot blasting apparatus / shot peening apparatus.
  • the moving mechanism 12 moves the workpiece
  • the workpiece and the clamp claw portion may be moved relatively.
  • the carry-in / out device 24 moves the traveling carriage 40 back and forth by the driving force of the drive motor 48.
  • the carry-in / out device replaces the drive motor 48 with, for example, a driving force of a drive cylinder.
  • the traveling carriage 40 may be moved back and forth.
  • the carrying in / out apparatus 24 raises / lowers the product mounting member 46 with the raising / lowering actuator 44 (hydraulic cylinder), it replaces with the raising / lowering actuator 44 (hydraulic cylinder), for example,
  • the product placement member 46 may be moved up and down by the driving force of the drive motor.
  • the two clamping devices 26 are attached to the rotating plate 54A, but it is also possible to adopt a configuration in which one or three or more clamping devices are attached to the rotating plate.
  • the rotating plate 54A can be rotated forward and reverse by 180 ° by the rotating mechanism 52.
  • the rotating plate can be configured to be rotatable in one direction by the rotating mechanism. It is.
  • the clamp device 26 is configured to rotate so as to be able to stop at an arbitrary angular position around an axis parallel to the rotation center line of the rotating plate 54A.
  • Other clamps that are attached to a moving plate that slides between the area side and the projection area side, and that rotate (spin) to stop at an arbitrary angular position about an axis that is orthogonal to the sliding direction It can also be a device.
  • the angular position detection unit is the rotation tachometer 112, but the angular position detection unit is attached to the cylindrical body 105 of the clamp device 26, for example.
  • An angle configured to include a metal piece protruding outward in the radial direction of the body 105 and a proximity switch attached to the rotating plate 54A at a proximity position on the outer peripheral side of the cylinder 105 and capable of detecting the proximity of the metal piece.
  • Other angular position detectors such as a position detector may be used.
  • the rotation tachometer 112 angular position detection unit
  • the rotation control unit 16A rotation control means
  • a shot processing apparatus that does not include them may be used.
  • one end of the second link member 92 is pin-connected to the other end of the first link member 91 by the first pin 90, and the fourth link member 94 is connected to the other end of the third link member 93.
  • One end is pin-connected by the second pin 96.
  • the link member corresponding to the first link member 91 and the third link member 93 is the same member (a member connected to the connecting body 98) by one pin. It is also possible to adopt a configuration in which the pins are connected to each other.
  • a 1st clamping process and a 2nd clamping process differ from projection area A2 in which a 1st projection process and a 2nd projection process are made (carry-in / out area A1).
  • work different from the workpiece
  • a method in which such parallel processing is not performed may be employed.
  • Shot blasting equipment (shot processing equipment) 12 moving mechanism 14 conveyor 16 control unit 16A rotation control unit (rotation control means) DESCRIPTION OF SYMBOLS 18 Cabinet 20 Projection chamber 22 Projector 24 Loading / unloading device 26 Clamp device 52 Rotating mechanism 54A Rotating plate 76 Rotating body (base member) 78A Support shaft 78B Support shaft 80 Arm 82 Clamping portion 82A Clamp claw portion 90 First pin 91 First link member 92 Second link member 93 Third link member 94 Fourth link member 96 Second pin 98 Linked body 102 Actuator 104 Autorotation Mechanism 112 Rotating tachometer (angular position detector) A1 Loading / unloading area A2 Projection area W Workpiece

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Specific Conveyance Elements (AREA)
  • Feeding Of Workpieces (AREA)
  • Jigs For Machine Tools (AREA)

Abstract

Selon l'invention, dans le traitement de grenaillage dans lequel une pièce à travailler est pincée par un dispositif de serrage, l'apparition de points non traités sur la pièce à travailler est empêchée. A cet effet, la présente invention porte sur un appareil de traitement de grenaillage, lequel appareil effectue un traitement de grenaillage par projection d'un matériau de projection sur une pièce à travailler, et comprend un dispositif de serrage qui pince de façon détachable la pièce à travailler, un dispositif de projection qui projette le matériau de projection sur la pièce à travailler pincée par le dispositif de serrage, un mécanisme de mouvement qui déplace la pièce à travailler et le dispositif de serrage l'un par rapport à l'autre, et un dispositif de commande qui commande le fonctionnement du mécanisme de mouvement. Le dispositif de commande actionne le mécanisme de mouvement de telle manière que le dispositif de serrage pince la pièce à travailler à l'aide d'au moins deux positions de pincement qui ne se chevauchent pas mutuellement.
PCT/JP2013/051431 2012-02-10 2013-01-24 Appareil de traitement de grenaillage et procédé de traitement de grenaillage Ceased WO2013118587A1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP2013557462A JP6066459B2 (ja) 2012-02-10 2013-01-24 ショット処理装置及びショット処理方法
CN201380000474.XA CN103370170B (zh) 2012-02-10 2013-01-24 喷丸处理装置和喷丸处理方法
KR1020147015271A KR101661042B1 (ko) 2012-02-10 2013-01-24 숏 처리 장치 및 숏 처리 방법
IN4301CHN2014 IN2014CN04301A (fr) 2012-02-10 2014-06-10

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JP2012027687 2012-02-10
JP2012-027687 2012-02-10

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WO2013118587A1 true WO2013118587A1 (fr) 2013-08-15

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JP (1) JP6066459B2 (fr)
KR (1) KR101661042B1 (fr)
CN (1) CN103370170B (fr)
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WO (1) WO2013118587A1 (fr)

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Publication number Priority date Publication date Assignee Title
WO2019188610A1 (fr) * 2018-03-26 2019-10-03 新東工業株式会社 Dispositif de traitement par grenaillage
JP7099389B2 (ja) * 2019-03-29 2022-07-12 新東工業株式会社 ショット処理装置及びショット処理装置の制御方法

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS538894A (en) * 1976-07-13 1978-01-26 Fischer Ag Georg Contious sand blasting machine
JPS6144568A (ja) * 1984-08-03 1986-03-04 Nissan Motor Co Ltd 研削装置
JPH08229822A (ja) * 1995-02-24 1996-09-10 Sintokogio Ltd ショットブラスト方法およびその設備
JPH08323628A (ja) * 1995-06-02 1996-12-10 Sintokogio Ltd ショットブラスト設備

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Publication number Priority date Publication date Assignee Title
CN2329479Y (zh) * 1998-02-24 1999-07-21 游天来 喷砂装置改良结构
WO2009008554A1 (fr) * 2007-07-12 2009-01-15 Sintokogio, Ltd. Grenailleuse
KR101074006B1 (ko) * 2009-05-18 2011-10-17 신원기계 주식회사 스윙드럼식 쇼트블라스팅 장치
CN201516581U (zh) * 2009-09-14 2010-06-30 浙江今飞亚达轮毂有限公司 一种抛丸机
JP5321978B2 (ja) * 2009-10-07 2013-10-23 新東工業株式会社 連続式のコンベア式ショットピーニング装置及びショットピーニング方法
CN102248493B (zh) * 2011-08-10 2013-01-02 无锡国达机械设备有限公司 多工位转台强化抛丸机

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS538894A (en) * 1976-07-13 1978-01-26 Fischer Ag Georg Contious sand blasting machine
JPS6144568A (ja) * 1984-08-03 1986-03-04 Nissan Motor Co Ltd 研削装置
JPH08229822A (ja) * 1995-02-24 1996-09-10 Sintokogio Ltd ショットブラスト方法およびその設備
JPH08323628A (ja) * 1995-06-02 1996-12-10 Sintokogio Ltd ショットブラスト設備

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IN2014CN04301A (fr) 2015-09-04
CN103370170A (zh) 2013-10-23
CN103370170B (zh) 2016-04-06
KR101661042B1 (ko) 2016-09-28
JPWO2013118587A1 (ja) 2015-05-11
JP6066459B2 (ja) 2017-01-25
KR20140089581A (ko) 2014-07-15

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