WO2013011736A1 - Shot processor - Google Patents
Shot processor Download PDFInfo
- Publication number
- WO2013011736A1 WO2013011736A1 PCT/JP2012/062832 JP2012062832W WO2013011736A1 WO 2013011736 A1 WO2013011736 A1 WO 2013011736A1 JP 2012062832 W JP2012062832 W JP 2012062832W WO 2013011736 A1 WO2013011736 A1 WO 2013011736A1
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- WO
- WIPO (PCT)
- Prior art keywords
- projection
- rotary
- projector
- area
- projection material
- Prior art date
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Classifications
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- 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
Definitions
- One embodiment of the present invention relates to a shot processing apparatus that rotates and displaces an object to be processed by a rotary and projects a projection material onto the object to be processed.
- the shot processing apparatus there is an apparatus configured to project a projection material onto an object to be processed that is hung on a hanger and to rotate in a projection area while the hanger revolves.
- a shot processing apparatus is rotatably provided around an axis in the vertical direction of the apparatus, and a plurality of processing chambers are arranged in the circumferential direction by partitioning a space around the axis into partitions.
- the processing chamber has a rotary opening that opens toward the outer periphery and is formed with an opening for carrying in the object to be treated, for carrying out the object to be treated, and for passing the projection material.
- a projector for projecting a projection material into the processing chamber through the opening in the processing chamber, and a ceiling portion of the rotary, and the object to be processed is suspended and supported in the processing chamber.
- a suspension support portion that can rotate in a projection area in which a processing object is projected by the projector, and the suspension support portion revolves by rotating the rotary around the axis, and a plurality of projection areas Place
- the rotary is rotatably provided around the axis in the vertical direction of the apparatus, and a plurality of processing chambers are formed by partitioning the space around the axis into partitions.
- the processing chamber is formed with an opening that opens toward the outer peripheral side and is used for carrying in the object to be processed, for carrying out the object to be processed, and for passing the projection material.
- a projector projects a projection material into the inside of a process chamber through the opening part in a process chamber.
- the suspension support unit is provided on the ceiling of the rotary to support the object to be processed in a processing chamber, and is capable of rotating in a projection area where the object to be processed is projected by the projector. .
- the rotation drive mechanism revolves the suspension support part by rotating the rotary around the vertical axis of the apparatus, and temporarily stops the rotary with a plurality of positions in the projection area as the revolution stop positions of the object to be processed. . For this reason, since the method of hitting the projection material is relatively changed at a plurality of revolution stop positions, the object to be processed is projected more uniformly and accurately.
- the revolution stop position of the object to be processed in the projection area is arranged such that the rotation axis of the suspension support part is on the center line of the projection direction of the projection material in the projector in plan view of the apparatus.
- a second position which is a position, a first position which is a position upstream of the rotary direction with respect to the second position, and a position which is a position downstream of the second position with respect to the rotational direction of the rotary. Three positions may be set.
- the object to be processed that has entered the projection area is stopped in revolution in the order of the first position, the second position, and the third position, and rotates at each position. It may be projected.
- the second position is a position where the axis of rotation of the suspension support part is arranged on the center line in the projection direction of the projection material in the projector in plan view of the apparatus
- the first position is the second position
- the third position is a position on the downstream side in the rotational direction of the rotary with respect to the second position. For this reason, a to-be-processed target object is efficiently and uniformly projected by the 2nd position where a projection material hits efficiently, and the 1st, 3rd position before and behind that.
- the shot processing apparatus includes a carry-in area for suspending and supporting the object to be treated on the suspension support part, and a carry-out area for lowering the object to be treated from the suspension support part. And at least three of the processing chambers when the rotary is primarily stopped at the revolution stop position of the object to be processed.
- One chamber may be arranged in the carry-in area and at least one other chamber among the processing chambers may be arranged in the carry-out area.
- the carry-in area is an area for hanging and supporting the object to be processed on the suspension support part
- the carry-out area is the suspension support for the object to be processed. It may be an area for taking down from the club.
- Three or more processing chambers are arranged in the circumferential direction of the rotary, and at least one of the processing chambers is arranged in the carry-in area when the rotary is temporarily stopped at the revolution stop position of the object to be processed.
- at least one other of the processing chambers may be disposed in the carry-out area.
- the object to be processed is suspended and supported by the suspension support portion in the carry-in area, and at the same time, the object to be treated is suspended and supported in the carry-out area. Can be taken off from the department.
- the carry-out and carry-in can be performed simultaneously in different areas during projection, the time required for carry-in / out is reduced compared to a configuration in which carry-out and carry-in are performed in one area, for example.
- the projector is arranged on the side of the upper part of the rotary, and is set so that the center line in the projection direction of the projection material is inclined toward the lower side of the apparatus toward the inside of the processing chamber.
- the first projector and the projecting material are arranged on the side of the lower part of the rotary, and set so that the center line in the projection direction of the projecting material is inclined toward the upper side of the apparatus toward the inside of the processing chamber.
- a second projector whose amount of projection per unit time is set larger than that of the first projector.
- a 1st projector is arrange
- the second projector is disposed on the lower side of the rotary, and the center line in the projection direction of the projection material is set to be inclined toward the upper side of the apparatus toward the inside of the processing chamber. Good.
- the projection material is projected from both the obliquely upper side and the obliquely lower side to the object to be processed, so that the object is efficiently projected on the entire surface of the object to be processed.
- the projection amount of the projection material per unit time of the second projector is set to be larger than that of the first projector, even if the projection material is decelerated by the oblique upward projection, the first projector Shot processing equivalent to shot processing by obliquely downward projection is performed.
- the center line in the projection direction of the projection material in the first projector and the center line in the projection direction of the projection material in the second projector are at least below the rotation axis of the suspension support portion. It may be set so as not to intersect in the space on the projection position side of the extension line.
- the center line of the projection direction of the projection material in the first projector and the center line of the projection direction of the projection material in the second projector are at least the rotation of the suspension support portion.
- the projection material projected from the first projector and the projection material projected from the second projector are processed because they are set so as not to intersect in the space on the projection position side of the extension line below the axis. The problem of interfering with each other before reaching the object is suppressed. For this reason, the projection efficiency is improved.
- 1 is a front view showing an overall configuration of a shot blasting apparatus according to a first embodiment of the present invention.
- 1 is a left side view showing an overall configuration of a shot blasting apparatus according to a first embodiment of the present invention.
- 1 is a plan view showing an overall configuration of a shot blasting apparatus according to a first embodiment of the present invention. It is a typical top view which shows the revolution stop position of the to-be-processed target object in a projection area. 4A shows the first position, FIG. 4B shows the second position, and FIG. 4C shows the third position. It is a schematic block diagram of apparatus plan view for demonstrating control etc. of the shot blasting apparatus which concerns on the 1st Embodiment of this invention.
- FIG. 11A is the first modification
- FIG. 11B is the second modification
- FIG. 11C is the third modification
- FIG. 11D is the fourth modification
- FIG. (E) shows a fifth modification
- FIG. 11 (F) shows a sixth modification.
- It is a front view which shows the whole structure of the shot blasting apparatus which concerns on the 4th Embodiment of this invention.
- It is a right view shows the whole structure of the shot blasting apparatus which concerns on the 4th Embodiment of this invention.
- an arrow FR shown as appropriate in these drawings indicates the front side of the apparatus front view of FIG. 1
- an arrow UP indicates the upper side of the apparatus
- an arrow LH indicates the left side of the apparatus front view of FIG. ing.
- An arrow X indicates the conveyance direction of the workpiece W.
- FIG. 1 is a front view showing the overall configuration of the shot blasting apparatus 10 according to the first embodiment of the present invention
- FIG. 2 is a left side view showing the overall configuration of the shot blasting apparatus 10.
- FIG. 3 is a plan view showing the overall configuration of the shot blasting apparatus 10.
- the shot blasting apparatus 10 is an apparatus that is applied, for example, to scale down a forged product. More specifically, for example, automobile-related parts such as forged products, pressed products, welded structures, and heat treated parts (for example, gears) are applied to the object to be processed W.
- automobile-related parts such as forged products, pressed products, welded structures, and heat treated parts (for example, gears) are applied to the object to be processed W.
- the shot blasting apparatus 10 includes a cabinet 12.
- the cabinet 12 is formed in a hollow substantially heptagonal prism shape. Further, as shown in FIG. 3, the cabinet 12 carries the workpiece W into the workpiece 12 (see arrow A direction) and the workpiece W (see arrow B direction). For this purpose, a carry-out port 12B is formed.
- a substantially cylindrical rotary 14 is disposed in the center of the cabinet 12. As will be described in detail later, the rotary 14 is connected to a rotational drive mechanism 60 so as to be rotationally driven around an axis in the vertical direction of the apparatus.
- FIG. 6 shows a schematic perspective view of a schematic configuration of the rotary 14 and its peripheral part.
- the top plate member 15 ⁇ / b> A and the bottom plate member 15 ⁇ / b> B are connected in the vertical direction of the apparatus by a plurality of column members 15 ⁇ / b> C, 15 ⁇ / b> D, 15 ⁇ / b> E.
- the plurality of column members 15 ⁇ / b> C, 15 ⁇ / b> D, and 15 ⁇ / b> E are arranged around the rotation center of the rotary 14.
- the column member 15 ⁇ / b> C is a plate-like member that is bent into a substantially U-shape when viewed from the top of the apparatus.
- three bent plate-like column members 15C opened to the outer peripheral side are arranged at intervals in the circumferential direction.
- the corner portions on the inner peripheral side of adjacent column members 15C are connected by a connecting column member 15D.
- the end portions on the outer peripheral side of adjacent column members 15C are connected to each other by column members 15E for outer walls.
- the column member 15E is provided with an outer peripheral wall 14W having the center of the shaft of the revolving shaft portion 62 as the center of the arc in the apparatus plan view.
- the outer peripheral wall 14 ⁇ / b> W is disposed at a position surrounding a space around an axis in the vertical direction of the apparatus that is the rotation center of the rotary 14.
- a plurality of (three chambers in this embodiment) processing is performed by partitioning into the partitioning portion 16 (the portion formed by the bent plate-like column member 15C (partition member) described above).
- Chamber R1 is arranged in the circumferential direction.
- the processing chamber R1 is a room for carrying in / out the workpiece W and projecting the projection material.
- an opening 14A that opens toward the outer peripheral side is formed by the bent plate-like column member 15C, the top plate member 15A, and the bottom plate member 15B described above.
- the opening 14A is used for carrying in the workpiece W, carrying out the workpiece W, and passing the projection material.
- the partitioning portion 16 is provided on the lower side of the ceiling portion 14 ⁇ / b> U in the rotary 14. However, in FIG. It is shown as a solid line, not a hidden line.
- the processing chamber R1 shown in FIG. 6 is disposed in the internal space of the cabinet 12, and the rotation displacement of the rotary 14 causes the loading chamber 18, the projection chamber 20, and the unloading chamber 22 to move. It can be any room.
- the carry-in chamber 18 is a room that is arranged in the carry-in area 40A of the shot blasting apparatus 10 and carries in the workpiece W, and the projection chamber 20 is arranged in the projection area 40B of the shot blasting apparatus 10.
- the processing chamber R1 that was initially the carry-in chamber 18 becomes the projection chamber 20 when the rotary 14 is rotationally displaced about its axis by a predetermined angle, and further, the rotary 14 is about its axis.
- the carry-out chamber 22 is formed by rotational displacement by a predetermined angle.
- the carry-in area 40A is an area for suspending and supporting the object W to be processed on a rotation shaft member 46 as a suspending support portion described later. Further, the carry-out area 40 ⁇ / b> C is an area for lowering the workpiece W from the rotation shaft member 46.
- a first projector 30 ⁇ / b> A is disposed on the side of the upper portion of the rotary 14, and the first projector 30 ⁇ / b> A is attached to the upper side of the side wall of the cabinet 12.
- a second projector 30 ⁇ / b> B is disposed on the lower side of the rotary 14, and the second projector 30 ⁇ / b> B is attached to the lower side of the side wall of the cabinet 12. That is, the first projector 30 ⁇ / b> A and the second projector 30 ⁇ / b> B are attached with the side walls of the cabinet 12 as attachment surfaces.
- the attachment surface to which the first projector 30A is attached and the attachment surface to which the second projector 30B is attached are set to different adjacent surfaces.
- the attachment part 12D to which the first projector 30A shown in FIG. 1 is attached and the attachment part 12E to which the second projector 30B is attached also serve as an inspection door that can be opened and closed during inspection.
- the first projector 30 ⁇ / b> A and the second projector 30 ⁇ / b> B are a centrifugal projector that can apply a centrifugal force to a projection material (shot, a steel ball as an example in the present embodiment) by rotation of an impeller (impeller).
- shots a steel ball as an example in the present embodiment
- impeller impeller
- FIG. 6 the first projector 30A and the second projector 30B project the projection material accelerated by centrifugal force into the processing chamber R1 through the opening 14A in the processing chamber R1. It has become.
- the first projector 30A is set so that the center line L1 in the projection direction of the projection material is inclined toward the lower side of the apparatus toward the inside of the processing chamber R1.
- the second projector 30B is set so that the center line L2 in the projection direction of the projection material is inclined toward the upper side of the apparatus toward the inside of the processing chamber R1.
- the center line L1 in the projection direction of the projection material in the first projector 30A and the center line L2 in the projection direction of the projection material in the second projector 30B are from the lower extension line of the rotation shaft of the rotation shaft member 46. Is set so as not to intersect in the space on the projection position side.
- the range of the projection trajectory from the first and second projectors 30A and 30B is indicated by a two-dot chain line sandwiching the center lines L1 and L2.
- the second projector 30B is set so that the projection amount per unit time of the projection material is larger than that of the first projector 30A.
- the projection amount per unit time of the projection material in the upper first projector 30A is 300 kg / min
- the projection amount per unit time of the projection material in the lower second projector 30B is 400 kg. / Min. The adjustment of the projection amount per unit time of the projection material will be described later.
- a plurality of holes 14Z1 are formed in the bottom floor portion 14Z of the processing chamber R1 in order to drop the projection material projected into the processing chamber R1 to the lower side of the apparatus.
- the sealing member 42 is attached to the outer side of the outer peripheral wall 14W via the attachment plate.
- the seal member 42 is made of rubber and is provided over the entire length in the vertical direction of the outer peripheral wall 14W, and a plurality of the seal members 42 are disposed along the circumferential direction in the apparatus plan view. The space between them is sealed.
- a columnar round bar (not shown) is attached to the inner peripheral side of the cabinet 12 facing the outer peripheral side of the rotary 14 with the vertical direction of the apparatus as the axial direction.
- a plurality of the round bars are arranged along the circumferential direction of the inner periphery of the cabinet 12, and the projecting material that is going to flow along the inner periphery of the cabinet 12 is prevented from traveling and dropped.
- the first projector 30A is connected to the lower end of an introduction pipe 26A for supplying a projection material via an introduction cylinder 28A, and the flow rate of the projection material is adjusted to the upper end of the introduction pipe 26A.
- a flow rate adjusting device 24A is provided.
- the lower end of the introduction pipe 26B for supplying the projection material is connected to the second projector 30B via the introduction cylinder 28B, and the flow rate adjusting device for adjusting the flow rate of the projection material at the upper end of the introduction pipe 26B. 24B is provided.
- the flow rate adjusting devices 24A, 24B are provided with an open / close gate, and the opening degree of the open / close gate can be adjusted.
- the gate opening degree of the opening / closing gate of the flow rate adjusting device 24B is larger than the gate opening degree of the opening / closing gate of the flow rate adjusting device 24A.
- the projection amount per unit time of the projection material by the second projector 30B is set larger than the projection amount per unit time of the projection material by the first projector 30A. As shown in FIG.
- the flow rate adjusting devices 24 ⁇ / b> A and 24 ⁇ / b> B are connected to the control unit 38, and the operation of the open / close gate (open / close and adjustment of the open / close amount) is controlled by the control unit 38.
- the first projector 30A is connected to the circulation device 34 via the introduction tube 28A, the introduction tube 26A, and the flow rate adjusting device 24A
- the second projector 30B is connected to the introduction tube 28B.
- the circulation device 34 is a device for conveying the projection material projected by the first projector 30A and the second projector 30B and circulating it to the first projector 30A and the second projector 30B.
- the circulation device 34 includes a screw conveyor 34 ⁇ / b> A at the bottom of the cabinet 12.
- the screw conveyor 34A is horizontally arranged with the apparatus left-right direction as the longitudinal direction, collects the projection material falling from the projection chamber 20 (see FIG. 6), and supplies the projection material to the predetermined direction along the longitudinal direction of the screw conveyor 34A. It is transported in the direction (right side of the apparatus in this embodiment).
- a lower end portion side of a bucket elevator 34B extending in the vertical direction of the apparatus is disposed on the downstream side in the conveying direction of the screw conveyor 34A (the apparatus right side in FIG. 1).
- the bucket elevator 34B has a known structure, and thus a detailed description thereof is omitted.
- an endless belt 34B2 is wound around a pulley 34B1 disposed at the upper part and the lower part of the shot blasting apparatus 10, and the endless belt 34B1 is A number of buckets 34B3 are attached to the belt 34B2.
- the pulley 34B1 is connected to a driving motor 34C (see FIG. 1) and can be driven to rotate.
- the bucket elevator 34B scoops up the projection material collected by the screw conveyor 34A with the bucket 34B3 and rotates the pulley 34B1 with the drive motor 34C (see FIG. 1), thereby removing the projection material in the bucket 34B3 from the cabinet. 12 is conveyed toward the upper side.
- the upper part of the bucket elevator 34B is connected to a screw conveyor 34E via a chute 34D.
- the stand 36 on the right side of the apparatus shown in FIG. 1 is a stand that serves as a scaffold for the operator when checking the upper portion of the bucket elevator 34B and the screw conveyor 34E.
- the screw conveyor 34E is arranged horizontally and has the left-right direction of the apparatus as the longitudinal direction, and the projection material thrown from the upper part of the bucket elevator 34B through the chute 34D is longitudinal direction of the screw conveyor 34E. Is conveyed in a predetermined direction (in this embodiment, the left side of the apparatus).
- Projection material tanks 34F and 34G are provided below the middle portion in the longitudinal direction of the screw conveyor 34E at positions where the projection material from the screw conveyor 34E can flow.
- the projecting material tanks 34F and 34G are tanks for supplying the projecting material conveyed by the screw conveyor 34E to the flow rate adjusting devices 24A and 24B.
- the projecting material tank 34F is disposed on the upper side of the flow rate adjusting device 24A.
- the material tank 34G is disposed above the flow rate adjusting device 24B.
- the upper end of the overflow pipe 34H is provided at the end of the screw conveyor 34E on the downstream side in the transport direction.
- a wind-selective separator 34I is attached to the lower end of the overflow pipe 34H. Separator 34I classifies the foreign matter from the projection material by sorting the powder material containing the injected projection material into an air current by applying it to the light weight and the falling heavy material.
- a settling chamber 34J communicating with the separator 34I is attached to the side surface of the separator 34I.
- the settling chamber 34J is connected to a dust collector (not shown) through a duct 34K, and includes a guide plate 34J1 that hangs down from the upper wall side of the chamber in a passage inside the settling chamber 34J (between the separator 34I side and the duct 34K side). Yes.
- the settling chamber 34J causes the guide plate 34J1 to generate a detour flow by the guide plate 34J1 to the air sucked by the suction means (blower) of the dust collector, and also causes the particles (foreign matter) in the sucked air to flow by the detour flow. It comes to be separated by.
- the duct 34K is configured to circulate air containing fine powder.
- the dust collector connected to the duct 34K filters the air containing fine powder and exhausts only the air into the atmosphere. It accumulates in a fine powder receiving box (not shown) on the lower side.
- the lower part of the settling chamber 34J communicates with the inclined sieve 34L, and the coarse powder separated from the foreign matter in the settling chamber 34J is sieved (classified) by the inclined sieve 34L. Further, the inclined sieve 34L communicates with the inside of the cabinet 12 (near the upstream side of the screw conveyor 34A) via the projection material return chute 34M. The projection material that can be used after being screened by the inclined screen 34L returns to the inside of the cabinet 12 through the projection material return chute 34M and is used in a circulating manner.
- the lower part of the settling chamber 34J communicates with the fine powder discharge chute 34N, and a fine powder receiving box 34P is disposed below the fine powder discharge chute 34N. Thereby, the fine powder separated in the settling chamber 34J is discharged to the fine powder receiving box 34P through the fine powder discharge chute 34N.
- a rotation shaft member 46 is provided on the ceiling portion 14 ⁇ / b> U of the rotary 14.
- the lower portion of the rotation shaft member 46 is disposed in the processing chamber R1 and supports the workpiece W to be suspended in the processing chamber R1 via the cage 44.
- the rotation axis of the rotation shaft member 46 that rotates the cage 44 and the rotation center of the cage 44 in plan view are set so as to be concentric in plan view of the apparatus (not shown). 2 shows a state where the cage 44 on the left side is removed from the rotation shaft member 46.
- the cabinet 12 is provided with a rotation drive mechanism 60.
- the rotation drive mechanism 60 includes a revolution shaft portion 62, a revolution wheel 64, and a revolution drive motor 66, and revolves the rotation shaft member 46 by rotating the rotary 14 about the vertical axis of the apparatus. It has become.
- the revolving shaft portion 62 is attached to the center portion of the ceiling portion 14U of the rotary 14 and is disposed on the upper side of the rotary 14 with the device vertical direction as the axial direction.
- the part 70 is penetrated.
- the revolution wheel 64 is coaxially connected to the upper end portion of the revolution shaft portion 62 and is driven to rotate by a revolution drive motor 66.
- the revolution shaft portion 62 is configured to rotate around an axis in the vertical direction of the apparatus by the operation of the revolution drive motor 66.
- the revolution drive motor 66 illustrated in block form in FIG. 5 is connected to the control unit 38, and the operation is controlled by the control unit 38.
- the rotation drive mechanism 60 is used for revolving lock, a recess 14X formed at a predetermined position on the outer peripheral surface of the rotary 14, and a lock cylinder 72A (schematically shown in the drawing) disposed to face the outer peripheral surface of the rotary 14. Are shown).
- three recesses 14X are continuously formed at adjacent positions in the circumferential direction of the rotary 14 to form a recess group, and the recess groups are arranged at a total of three locations at equal intervals in the circumferential direction of the rotary 14. Is formed.
- the lock cylinder 72A is a known air cylinder, and is extendable between a position where the rod 72A1 fits inside the recess 14X and a position away from the outer peripheral surface of the rotary 14.
- the lock cylinder 72A is connected to an air supply source 72C via an air direction control device (electromagnetic valve or the like) 72B shown as a block, and the air direction control device 72B is connected to the control unit 38. .
- the control unit 38 controls the direction of expansion and contraction of the rod 72A1 of the lock cylinder 72A by controlling the air direction control device 72B according to a predetermined condition described later.
- the rotary drive mechanism 60 has a total of three proximity switches 74A, 74B, which are attached to the outer peripheral surface of the rotary 14 at intervals of 120 °, and are arranged slightly apart from the outer peripheral surface of the rotary 14 and close to each other. 74C is provided.
- the proximity switches 74A, 74B, and 74C are configured to turn on the electrical circuit (control circuit unit) including the proximity switches 74A, 74B, and 74C when the metal 74Z approaches the predetermined range.
- the proximity switch 74A, 74B, 74C detects the proximity of the metal 74Z by the proximity of the metal 74Z to the proximity switches 74A, 74B, 74C.
- the rotary 14 is detected to be at a predetermined rotational angle position.
- the proximity switches 74A, 74B, and 74C are connected to the control unit 38.
- the control unit 38 controls the air direction control device 72B based on the detection result, so that the rod 72A1 of the lock cylinder 72A is rotated.
- the direction is controlled so as to extend to a position that fits into the recess 14X on the outer peripheral surface of the 14.
- the control unit 38 controls the air direction control device 72B so that the rod 72A1 of the lock cylinder 72A is moved from the outer peripheral surface of the rotary 14.
- the direction is controlled so as to shrink to a distant position.
- the rotation drive mechanism 60 is configured to temporarily stop the rotary 14 with a plurality of positions in the projection area 40B as the revolution stop positions of the object W to be processed. Effective suppression is planned.
- the revolution stop position of the object W to be processed in the projection area 40 ⁇ / b> B is such that the rotation axis of the rotation shaft member 46 is the first and second projectors 30 ⁇ / b> A and 30 ⁇ / b> B in the apparatus plan view.
- the second position (see FIG. 4 (B)), which is the position disposed on the center lines L1, L2 in the projection direction of the projection material, and the second position shown in FIG. A first position (see FIG.
- FIG. 4A which is a position upstream of the rotational direction (so-called eccentric position), and a position downstream of the rotary 14 in the rotational direction with respect to the second position shown in FIG. 4B. It is set to a third position (see FIG. 4C) which is an eccentric position.
- one of the processing chambers R1 is arranged in the carry-in area 40A (in other words, The other chamber of the processing chamber R1 is set in the carry-out area 40C (in other words, the carry-out chamber 22).
- a bicycle wheel 48 is coaxially connected to the upper portion of the rotation shaft member 46 on the upper side of the rotary 14.
- the bicycle wheel 48 is composed of a rubber roller, and the cage 44 attached to the rotating shaft member 46 is projected on the projection area 40B (see FIG. 6, the area where the workpiece W is projected by the first and second projectors 30A and 30B. ), Specifically, when it reaches the revolution stop position of the workpiece W, it comes into contact with the rotation driving wheel 50.
- the rotation driving wheel 50 is composed of a rubber roller and is connected to the rotation driving motor 52 so as to be driven. When the rotation driving wheel 50 is driven by the rotation driving motor 52 and contacts the bicycle wheel 48, the rotation driving wheel 50 rotates.
- the shaft member 46 rotates around its axis.
- the rotation driving motor 52 (shown as a block in FIG. 5) is connected to the control unit 38.
- the control unit 38 controls the rotation driving motor 52 to operate when the projection material is projected onto the workpiece W.
- the rotation drive wheel 50 is attached to the swing arm 54A via a bearing.
- the swing arm 54A can swing (rotate) about the vertical axis 54X of the apparatus and is connected to the drive unit 54B (shown as a block in FIG. 5). It is supposed to be.
- the drive unit 54B includes an air cylinder.
- the drive unit 54B is connected to the control unit 38. When the workpiece W reaches the revolution stop position, the control unit 38 controls the drive unit 54B to swing the swing arm 54A so that the rotation driving wheel 50 is brought into contact with the bicycle wheel 48. So that it is controlled.
- a recess 49A is formed on the outer peripheral surface of the lock ring 49 that is fixed coaxially with the bicycle wheel 48, and a locking roller 56A is formed on the outer peripheral side of the lock ring 49 for the purpose of locking the rotation of the rotation shaft member 46.
- the locking roller 56A is connected to a drive unit 56B (illustrated as a block in the drawing), and can be displaced between a position in the recess 49A and a position away from the recess 49A by the operation of the drive unit 56B. It is said that.
- the drive unit 56B is connected to the control unit 38.
- the control unit 38 controls the driving unit 56B to dispose the locking roller 56A at a position separated from the concave portion 49A and stops the rotation driving motor 52.
- the locking roller 56A is disposed in the recess 49A by controlling the driving unit 56B.
- the control unit 38 controls the driving unit 54B after the locking roller 56A is disposed in the recess 49A, thereby swinging the swinging arm 54A and separating the rotation driving wheel 50 from the bicycle wheel 48. So that it is controlled.
- FIG. 5 only one of the three rotation shaft members 46 is illustrated with its rotation and rotation lock mechanism, but the same mechanism is provided for the other two rotation shaft members 46. (Not shown in FIG. 5).
- the rotation shaft member 46 shown in FIG. 6 is provided on the ceiling portion 14U of the rotary 14 to suspend and support the object to be processed W in the processing chamber R1 and to be processed.
- the object W can be rotated in the projection area 40B projected by the first and second projectors 30A and 30B. For this reason, the workpiece W is projected over the entire circumference.
- the carry-in area 40A is an area for suspending and supporting the object W to be processed on the rotation shaft member 46
- the carry-out area 40C is an object to be processed. This is an area for lowering W from the rotating shaft member 46.
- Three processing chambers R1 are arranged side by side in the circumferential direction of the rotary 14, and one of the processing chambers R1 is brought into the carry-in area 40A when the rotary 14 is temporarily stopped at the revolution stop position of the workpiece W.
- the other chamber of the processing chamber R1 is disposed in the carry-out area 40C.
- the rotary 14 and the partition 16 are rotated slightly less than 120 ° around the revolution shaft 62 by the driving force of the revolution drive motor 66 (see FIG. 2).
- the object to be processed W inserted in the cage 44 is moved from the carry-in area 40A to the projection area 40B.
- the rotation driving motor 52 is operated to rotate the rotation driving wheel 50, and the rotation driving wheel 50 comes into contact with the bicycle wheel 48 to rotate the rotation shaft member 46. Is rotated.
- the cage 44 in the projection area 40 ⁇ / b> B rotates about the rotation shaft member 46.
- the open / close gates of the flow rate adjusting devices 24A and 24B are opened, and the processing in the cage 44 that rotates about the rotation shaft member 46 by the operation of the first and second projectors 30A and 30B (see FIG. 6).
- a projection material is projected onto the object W.
- the first projector 30A shown in FIG. 6 is arranged on the upper side of the rotary 14, and the center line L1 in the projection direction of the projection material is inclined toward the lower side of the apparatus toward the inside of the processing chamber R1.
- the second projector 30B is arranged on the lower side of the rotary 14, and is set so that the center line L2 in the projection direction of the projection material is inclined upward toward the inside of the processing chamber R1.
- the projection material is projected from both the obliquely upper side and the obliquely lower side to the object to be processed W, so that the object is efficiently projected on the entire surface of the object to be processed W.
- the second projector 30B has a larger amount of projection per unit time of the projection material than that of the first projector 30A. For this reason, even if the projection material is decelerated by the oblique upward projection, the shot processing equivalent to the shot processing by the oblique downward projection of the first projector 30A is performed.
- the object to be processed W is slightly lifted in the cage 44 during the projection, and the projection is performed with a gap between the upper surface of the mounting portion of the cage 44 and the bottom surface of the object to be processed W. Will be made.
- the center line L1 in the projection direction of the projection material in the first projector 30A and the center line L2 in the projection direction of the projection material in the second projector 30B are at least the lower extension line of the rotation axis of the rotation shaft member 46.
- the projection material projected from the first projector 30 ⁇ / b> A and the projection material projected from the second projector 30 ⁇ / b> B on the object to be processed W are set so as not to intersect each other in the space of each projection position. The problem of interfering with each other before reaching is suppressed. For this reason, the projection efficiency is improved.
- the rotation drive mechanism 60 shown in FIG. 5 revolves the rotating shaft member 46 by rotating the rotary 14 around the axis in the vertical direction of the apparatus, and the projection area.
- the rotary 14 is temporarily stopped by using the plurality of positions 40B as the revolution stop positions of the workpiece W. For this reason, since the method of hitting the projection material is relatively changed at a plurality of revolution stop positions, the workpiece W is projected more uniformly and accurately.
- the workpiece W that has entered the projection area 40 ⁇ / b> B has a first position (see FIG. 4A) and a second position (see FIG. 4B).
- the third position (see FIG. 4C) are stopped in order and projected while rotating at each position.
- the second position shown in FIG. 4B is the center line L1 of the projection direction of the projection material in the first and second projectors 30A and 30B when the rotation axis of the rotation shaft member 46 is in the apparatus plan view.
- the first position shown in FIG. 4 (A) is a position on the upstream side in the rotational direction of the rotary 14 with respect to the second position shown in FIG. 4 (B).
- FIG. 4C is a position on the downstream side in the rotational direction of the rotary 14 with respect to the second position shown in FIG. Therefore, the object to be processed W is projected while being stopped at three points in the projection area 40B, and the second position (see FIG. 4 (B)) where the projection material efficiently hits and the first and third positions before and after the second position. In FIG. 4 (A) and FIG. 4 (C), it is projected efficiently and uniformly.
- the total processing time can be shortened.
- FIGS. 7 is a front view showing the overall configuration of the shot blasting apparatus 80 according to the present embodiment
- FIG. 8 is a right side view showing the overall configuration of the shot blasting apparatus 80
- FIG. The overall configuration of the shot blasting apparatus 80 is shown in a plan view.
- FIG. 10 shows a configuration of the processing chamber R2 in the present embodiment in a sectional view in plan view. Note that components that are substantially the same as those of the first embodiment are denoted by the same reference numerals and description thereof is omitted.
- the shot blasting device 80 includes a hollow columnar cabinet 82. As shown in FIG. 9, a substantially cylindrical rotary 84 is disposed at the center inside the cabinet 82. As will be described in detail later, the rotary 84 is connected to a rotational drive mechanism 94 so as to be rotationally driven around an axis in the vertical direction of the apparatus.
- a plurality of (six chambers in this embodiment) processing chambers R2 are arranged in the circumferential direction by partitioning a space around the axis in the vertical direction of the apparatus, which is the rotation center, into partition portions 86 (partition members). It is installed side by side.
- partition portions 86 partition members
- the processing chamber R2 is a room for carrying in / out the workpiece W and projecting the projection material.
- an opening 84A that opens toward the outer peripheral side is formed. The opening 84A is used for carrying in the object to be processed W, for carrying out the object to be processed W, and for passing the projection material.
- the processing chamber R2 is disposed in the internal space of the cabinet 82, and can be any of the carry-in chamber 18, the projection chamber 20, and the carry-out chamber 22 due to the rotational displacement of the rotary 84. is there.
- two projection chambers 20 are provided.
- the blow-off chamber 21 is defined between the projection chamber 20 and the carry-out chamber 22.
- a spraying device air blow unit (not shown) is disposed on the outer peripheral side of the rotary 84 and in the facing portion of the blow-off chamber 21. The spraying device is used for blowing off the projection material remaining on the workpiece W, and gas (compressed air in this embodiment) can be sprayed to the inside of the rotary 84 through the opening 84A. .
- the carry-in area 40A in the present embodiment is an area for hanging and supporting the object to be processed W on a hanger hook 92 as a suspension support part described later, and the carry-out area 40C is the area to be processed W. This is an area for lowering from the hanger hook 92.
- liners 87 ⁇ / b> A and 87 ⁇ / b> B are attached to the partitioning portion 86 on the partitioning surface directed to the indoor side of the processing chamber R ⁇ b> 2.
- the liner 87 ⁇ / b> A extends in the radial direction of the rotary 84 in a plan view, and an end 87 ⁇ / b> A ⁇ b> 1 disposed on the outer peripheral surface side of the rotary 84 is curved inward.
- a rubber lining is applied to the inner side surface of the end portion 87A1 of the liner 87A.
- a first projector 88 ⁇ / b> A is disposed on the side of the upper portion of the rotary 84, and the first projector 88 ⁇ / b> A is attached to the upper side of the side wall of the cabinet 82. It has been.
- a second projector 88B is disposed on the lower side of the rotary 84, and the second projector 88B is attached to the lower side of the side wall of the cabinet 82.
- the first and second projectors 88A and 88B have the same basic configuration as the first and second projectors 30A and 30B (see FIG. 1 and FIG. 2) in the first embodiment. 9 is projected into the processing chamber R2 through an opening 84A in the processing chamber R2 shown in FIG.
- the projection directions of the first and second projectors 88A and 88B shown in FIG. 7 and the like are set in the same manner as in the first embodiment. That is, the first projector 88A is set so that the center line (not shown) of the projection direction of the projection material is inclined toward the lower side of the apparatus toward the inside of the processing chamber R2 (see FIG. 9). The machine 88B is set so that the center line (not shown) of the projection direction of the projection material is inclined upward in the apparatus toward the inside of the processing chamber R2 (see FIG. 9).
- the center line of the projection direction of the projection material in the first projector 88 ⁇ / b> A and the center line of the projection direction of the projection material in the second projector 88 ⁇ / b> B are projected from the lower extension line of the rotation axis of the hanger hook 92. It is set so as not to intersect in the space on the position side. Further, similarly to the first embodiment, the second projector 88B is set so that the projection amount per unit time of the projection material is larger than that of the first projector 88A.
- the first and second projectors 88A and 88B are connected to the flow rate adjusting devices 24A and 24B via the introduction cylinders 28A and 28B and the introduction pipes 26A and 26B.
- the flow rate adjusting device 24A and the flow rate adjusting device 24B are each provided in two units, and the two introduction pipes 26A are connected to the flow rate adjustment device 24A on a one-to-one basis, and the two introduction pipes 26B are These are connected to the flow rate adjusting device 24B on a one-to-one basis.
- the flow rate adjusting devices 24A and 24B are connected to a control unit (not shown), and the operation of the opening and closing gate (opening and closing and adjustment of the opening and closing amount) is controlled as in the first embodiment. Controlled by the department.
- the first and second projectors 88A and 88B are connected to the circulation device 90 via the introduction cylinders 28A and 28B, the introduction pipes 26A and 26B, and the flow rate adjustment devices 24A and 24B.
- the circulation device 90 is a device for conveying the projection material projected by the first and second projectors 88A and 88B to circulate to the first and second projectors 88A and 88B, and in the first embodiment.
- the configuration is substantially the same as part of the circulation device 34 (see FIG. 1). Therefore, description of components that are substantially the same as those of the circulation device 34 (see FIG. 1) in the first embodiment will be omitted.
- the circulation device 90 includes a hopper 90 ⁇ / b> A below the rotary 84.
- the hopper 90A causes the projection material dropped from the hole 84Z1 (see FIG. 10) formed in the bottom floor portion 84Z of the rotary 84 to flow to the screw conveyor 34A.
- a wind-selective separator 90B is attached to the downstream side in the transport direction of the upper screw conveyor 34E.
- Separator 90B is adapted to classify foreign substances from the projection material by sorting into light and falling heavy objects placed on the air flow by applying an air flow to the powder material containing the injected projection material, Only the usable projection material is allowed to flow into the projection material tank 90C.
- the projection material tank 90C is a tank for supplying the projection material to the flow rate adjustment devices 24A and 24B, and is disposed above the flow rate adjustment devices 24A and 24B.
- a hanger hook 92 is provided on the ceiling portion 84 ⁇ / b> U of the rotary 84.
- the hanger hook 92 has a shaft portion coaxially connected to an upper portion of the shaft, and a lower portion thereof is disposed in the processing chamber R2, and supports the workpiece W to be suspended in the processing chamber R2.
- the cabinet 82 is provided with a rotation drive mechanism 94.
- the rotation drive mechanism 94 includes a revolution shaft portion 96, a revolution tire 98, and a revolution drive motor 100, and revolves the hanger hook 92 by rotating the rotary 84 around the vertical axis of the apparatus. ing.
- the revolution shaft portion 96 is arranged with the vertical direction of the device as the axial direction, the upper and lower end portions are supported by the frame portion via the bearing portion, and the center of the ceiling portion 84U of the rotary 84. It is fixed to the part.
- the outer peripheral side surface of the rotary 84 is in contact with a revolving tire 98 arranged with the vertical direction of the device as the axial direction.
- the bearing portion that rotatably supports the revolution tire 98 is attached to a swing arm 99 that can swing (rotate and move) about a shaft 99X in the vertical direction of the apparatus.
- the tip end portion (right end portion in the figure) of the swing arm 99 is biased toward the rotary 84 by a spring (not shown). Thereby, the revolution tire 98 is pressed to the rotary 84 side.
- the revolution tire 98 is coaxially connected to the motor shaft of the revolution drive motor 100 and is driven to rotate by the revolution drive motor 100.
- the rotary 84 rotates around the revolution shaft portion 96 by the operation of the revolution drive motor 100.
- the revolution drive motor 100 is connected to a control unit (not shown) similarly to the first embodiment, and the operation is controlled by the control unit.
- the rotation drive mechanism 94 has a function for revolving lock similarly to the rotation drive mechanism 60 (see FIG. 5) of the first embodiment.
- the rotary drive mechanism 94 primarily stops the rotary 84 with a plurality of positions in the projection area 40B as the revolution stop positions of the object to be processed W, thereby preventing blast processing unevenness (polishing unevenness) or Effective suppression is planned.
- the revolution stop position of the object W to be processed in the projection area 40B is the first and second projections of the rotation axis of the hanger hook 92 in plan view of the apparatus, as in the first embodiment (see FIG. 4).
- a second position which is a position arranged on the center line of the projection direction of the projection material in the machines 88A and 88B, a first position which is a position upstream of the rotary 84 in the rotation direction of the rotary 84, and the first The second position is set to the third position, which is the position downstream of the rotary 84 in the rotation direction.
- the hanger hook 92 revolves at a low speed when entering the projection area 40B, and includes a front stop at the first position, a central stop at the second position, and a rear stop at the third position. The revolution is stopped at the point, and when moving from the projection area 40B to the next projection area 40B, the revolution is controlled at a high speed.
- one of the processing chambers R2 is disposed in the loading area 40A (in other words, the loading chamber 18).
- the other one of the processing chambers R2 is set to be placed in the carry-out area 40C (in other words, the carry-out chamber 22).
- a total of two drive motors 102 with chain wheels corresponding to the projection chamber 20 are arranged on the ceiling portion 82U of the cabinet 82.
- the chain wheel 102 ⁇ / b> A of the drive motor 102 with the chain wheel can be pressed against the wheel portion 92 ⁇ / b> A side of the hanger hook 92 by the cylinder 104.
- the chain wheel 102A reaches the revolution stop position of the projection area 40B (the area where the workpiece W is projected by the first and second projectors 88A and 88B)
- the hanger hook 92 is pressed against the wheel portion 92A.
- the hanger hook 92 rotates around its axis.
- the cylinder 104 is a known air cylinder having an extendable rod, and is connected to an air supply source (not shown) via an air direction control device (such as a solenoid valve) (not shown). Are connected to a control unit (not shown).
- the controller has a chain wheel attached to the wheel portion 92A of the hanger hook 92 by controlling the direction of the expansion and contraction of the rod of the cylinder 104 so that the hanger hook 92 rotates at a predetermined timing at the same timing as in the first embodiment.
- the chain wheel 102A of the drive motor 102 is contacted and separated.
- the conditions for causing the workpiece W shown in FIG. 9 to revolve, stop revolution, rotate, and rotate are the same as those in the first embodiment, and these operations and the like are performed by the control unit (not shown). It is controlled.
- the partition configuration inside the rotary 84 may be a configuration as shown in FIG. Note that components that are substantially the same as those in the above embodiment are denoted by the same reference numerals and description thereof is omitted.
- the partition 86 has a liner on the partition surface directed toward the interior of the processing chamber R2 (the same liner as the liners 87A and 87B (see FIG. 10) in the second embodiment). Is attached, and a liner is suitably attached to the bottom floor portion and the ceiling portion of the rotary 84.
- FIG. 11A shows a configuration in which two processing chambers R2 are provided, and one loading / unloading chamber 19 and one projection chamber 20 are provided.
- FIG. 11B shows a configuration in which the processing chamber R2 has three chambers, and each of the carry-in chamber 18, the projection chamber 20, and the carry-out chamber 22 is provided.
- FIG. 11C shows a configuration in which the processing chamber R2 has five chambers, and each of the carry-in chamber 18, the projection chamber 20, and the carry-out chamber 22 is provided.
- FIG. 11D shows a configuration in which the processing chamber R2 has six chambers, the projection chamber 20 has two chambers, the carry-in chamber 18 and the carry-out chamber 22 each one.
- FIG. 11B shows a configuration in which the processing chamber R2 has three chambers, and each of the carry-in chamber 18, the projection chamber 20, and the carry-out chamber 22 is provided.
- FIG. 11C shows a configuration in which the processing chamber R2 has five chambers, and each of the carry-in chamber 18, the projection chamber 20,
- FIG. 11E shows a configuration in which the processing chambers R2 are four chambers, and each of the carry-in chamber 18, the projection chamber 20, and the carry-out chamber 22 is provided.
- FIG. 11F shows a configuration in which the processing chamber R2 has six chambers, the projection chamber 20 has two chambers, the carry-in chamber 18 and the carry-out chamber 22 each one.
- FIG. 12 is a front view showing the overall configuration of the shot blasting apparatus 110 according to the third embodiment of the present invention
- FIG. 13 is a right side view showing the overall configuration of the shot blasting apparatus 110
- FIG. 14 is a plan view showing the overall configuration of the shot blasting apparatus 110.
- symbol is attached
- a casting product, a pressed product, a welded structure, or the like, such as a car-related part is applied to the workpiece W of the shot blasting apparatus 110 according to the present embodiment.
- the shot blasting apparatus 110 includes a box-shaped cabinet 112. As shown in FIG. 14, a substantially cylindrical rotary 114 (also referred to as “revolving drum”) is arranged inside the cabinet 112. As will be described in detail later, the rotary 114 is connected to a rotation drive mechanism 126 so as to be driven to rotate about an axis in the vertical direction of the apparatus.
- a plurality of (in this embodiment, a total of two chambers) processing chambers are arranged in parallel in the circumferential direction by dividing the space around the axis in the vertical direction of the apparatus, which is the center of rotation, by the partition 116. .
- the partition part 116 is comprised by the partition member.
- the processing chamber R3 has an opening 114A that opens toward the outer periphery.
- the opening 114 ⁇ / b> A is used for carrying in the workpiece W, carrying out the workpiece W, and passing the projection material.
- the processing chamber R3 is a room that is disposed in the internal space of the cabinet 12 and can be either the loading / unloading chamber 19 or the unloading chamber 22 by the rotational displacement of the rotary 114.
- the loading / unloading chamber 19 is a room that is arranged in the loading / unloading area 40D of the shot blasting apparatus 110 and serves both for loading and unloading the workpiece W.
- the processing chamber R3 that was initially the loading / unloading chamber 19 becomes the projection chamber 20 when the rotary 114 is rotationally displaced around the axis by a predetermined angle, and further, the rotary 114 is rotated around the axis. It becomes the loading / unloading chamber 19 by being rotationally displaced by a predetermined angle.
- the carry-in / out area 40 ⁇ / b> D is an area for lowering the workpiece W from a rotation shaft member 122 as a suspension support portion described later, and is used to suspend and support the workpiece W on the rotation shaft member 122. Area.
- a first projector 118 ⁇ / b> A is disposed on the upper side of the rotary 114, and the first projector 118 ⁇ / b> A is attached to the upper side of the side wall of the cabinet 112.
- a second projector 118 ⁇ / b> B is disposed on the lower side of the rotary 114, and the second projector 118 ⁇ / b> B is attached to the lower side of the side wall of the cabinet 112.
- the first and second projectors 118A and 118B have the same basic configuration as the first and second projectors 30A and 30B (see FIG. 1 and FIG. 2) in the first embodiment. 14 is projected into the processing chamber R3 through an opening 114A in the processing chamber R3.
- the projection directions of the first and second projectors 118A and 118B shown in FIG. 13 are set in the same manner as in the first embodiment. That is, the first projector 118A is set such that the center line L3 in the projection direction of the projection material is inclined toward the lower side of the apparatus toward the inside of the processing chamber R3, and the second projector 118B is configured to project the projection material.
- the direction center line L4 is set to incline toward the upper side of the apparatus toward the inside of the processing chamber R3.
- the first projector 118A and the second projector 118B are configured such that the rotation axes CL3 and CL4 of the respective impellers are parallel to each other and in the rotation axis direction of the impeller.
- the center line L3 (see FIG. 13) in the projection direction of the projection material in the first projector 118A and the center line L4 (see FIG. 13) in the projection direction of the projection material in the second projector 118B are (
- the rotation shaft member 122 is set so as not to intersect (including the space on the projection position side with respect to the lower extension line of the rotation shaft).
- the center line L3 of the projection direction of the projection material in the first projector 118A and the center line L4 of the projection direction of the projection material in the second projector 118B intersect when viewed two-dimensionally.
- the center line L3 and the center line L4 are shifted in a direction perpendicular to the paper surface in the figure and do not intersect three-dimensionally.
- the second projector 118B is set so that the projection amount per unit time of the projection material is larger than the projection amount of the first projector 118A.
- the projection amount per unit time of the projection material in the upper first projector 118A is 300 kg / min
- the projection amount per unit time of the projection material in the lower second projector 118B is 400 kg. / Min.
- the first and second projectors 118A and 118B are connected to the flow rate adjusting devices 24A and 24B via the introduction pipes 26A and 26B.
- the flow rate adjusting devices 24A and 24B are connected to a control unit (not shown), and the operation of the opening and closing gate (opening and closing and adjustment of the opening and closing amount) is controlled as in the first embodiment. Controlled by the department.
- the first and second projectors 118A and 118B are connected to the circulation device 120 via introduction pipes 26A and 26B and flow rate adjustment devices 24A and 24B.
- the circulation device 120 is a device for conveying the projection material projected by the first and second projectors 118A and 118B to circulate to the first and second projectors 118A and 118B, and in the first embodiment.
- the configuration is substantially the same as part of the circulation device 34 (see FIG. 1). Therefore, description of components that are substantially the same as those of the circulation device 34 (see FIG. 1) in the first embodiment will be omitted.
- a box 120A is installed in the upper part of the apparatus.
- a rotary screen (rotary sieve) 120B is disposed on the upper side inside the box 120A, and a screw conveyor 34E is inserted into the rotary screen 120B.
- the rotary screen 120B includes a sieve body (not shown), and the sieve body is formed in a cylindrical shape with a mesh body, and a plurality of holes (mesh) having a diameter larger than the diameter of the projection material are formed. It is designed to rotate around its own axis.
- the rotary screen 120B allows the mixture containing the collected projection material and powdered foreign matter to flow into the inside of the sieve body from the screw conveyor 34E and rotate the sieve body around the axis to rotate the mixture. Remove foreign material having a diameter larger than the hole while moving.
- a wind-selective separator 120C is disposed on the lower side inside the box 120A. Separator 120C sorts into the light thing and the heavy thing which fall by putting air current on the granular material containing the projection material which flowed in through the hole of rotary screen 120B, and falling on the air current, Foreign substances (for example, impurities such as fine powder and sand) are classified.
- a dust collector 120G (see FIG. 13) is connected to the separator 120C via a duct 120F. The dust collector 120G sucks air in the separator 120C by suction means (blower), and the air flow is generated inside the separator 120C by this suction input.
- a projecting material tank 120D and a foreign matter discharge chute 120E are connected to the lower part of the box 120A.
- a projection material from which impurities are separated by a separator 120C flows into the projection material tank 120D and is circulated for use.
- the projection material tank 120D is a tank for supplying the projection material to the flow rate adjustment devices 24A and 24B shown in FIG. 13, and is disposed above the flow rate adjustment devices 24A and 24B.
- the foreign matter discharge chute 120E is used for discharging large foreign matter (for example, cast burr) discharged from the front end side of the rotary screen 120B to the outside of the apparatus.
- a rotation shaft member 122 is provided on the ceiling 114 ⁇ / b> U of the rotary 114.
- the lower part of the rotation shaft member 122 is disposed in the processing chamber R3, and supports the workpiece W to be suspended in the processing chamber R3 via the cage 124.
- the cage 124 shown in FIG. 13 includes a support column portion 124A that is disposed with the upper end of the rotation shaft member 122 engaged with the upper end portion of the cage 124 as a longitudinal direction, and the support column portion 124A.
- the arm portion 124 ⁇ / b> B is provided so as to be horizontally inserted from the object to be processed and inserted.
- the object to be processed W is inserted into the cage 124 to prevent the object to be processed W from falling and to prevent the object to be processed W from being damaged.
- the arrangement center of the object to be processed W in the arm portion 124 ⁇ / b> B is set to be concentric with the rotation axis (rotation center) of the rotation shaft member 122 in plan view of the apparatus.
- a plurality of (for example, three) arm portions 124B may be provided at intervals in the vertical direction of the apparatus.
- a cage cage 125 may be applied instead of the cage 124.
- the cabinet 112 is provided with a rotation drive mechanism 126.
- the rotation drive mechanism 126 includes a revolution shaft portion 128, a revolution wheel 130 (see FIG. 14), and a revolution drive motor 132, and rotates the rotary 114 shown in FIG. 14 around the vertical axis of the apparatus.
- the rotating shaft member 122 is revolved.
- reference numeral 128 is attached to the axis of the revolution shaft portion 128.
- the revolving shaft portion 128 is arranged with the vertical direction of the apparatus as the axial direction, is supported by the frame portion via the bearing portion, and is fixed to the center portion of the ceiling portion 114U of the rotary 114. ing. As shown in FIG. 14, the outer peripheral side surface of the rotary 114 is in contact with the revolving wheel 130 arranged with the vertical direction of the device as the axial direction.
- revolution wheel 130 is coaxially connected to the motor shaft of the revolution drive motor 132 and is rotated by the revolution drive motor 132.
- the revolution drive motor 132 is connected to a control unit (not shown) similarly to the first embodiment, and the operation is controlled by the control unit.
- the rotation drive mechanism 126 has a function for revolving lock similarly to the rotation drive mechanism 60 (see FIG. 5) of the first embodiment.
- the rotation drive mechanism 126 primarily stops the rotary 114 with a plurality of positions in the projection area 40B as the revolution stop positions of the object to be processed W, thereby preventing blast processing unevenness (polishing unevenness) or Effective suppression is planned.
- the revolution stop position of the workpiece W in the projection area 40B is the center line of the projection direction of the projection material in the first projector 118A (see FIG. 13) when the rotation axis of the rotation shaft member 122 is the apparatus plan view.
- L2 see FIG. 13
- the revolution stop position of the workpiece W in the projection area 40B is such that the rotation axis of the rotation shaft member 122 is the projection material in the second projector 118B (see FIG. 13) in plan view of the apparatus.
- a second position that is a position disposed on the center line L4 (see FIG. 13) in the projection direction, a first position that is a position on the upstream side in the rotational direction of the rotary 114 with respect to the second position, and the first position You may set to the 3rd position which is a position of the rotation direction downstream of the rotary 114 with respect to 2 positions. These are controlled by a control unit (not shown) as in the first embodiment.
- one of the processing chambers R3 is arranged in the projection area 40B (in other words, the projection chamber 20).
- the other one of the processing chambers R3 is set in the carry-in / out area 40D (in other words, the carry-in / out chamber 19).
- the bicycle wheel 134 is coaxially fixed to the upper end portion of the rotation shaft member 122.
- a rotation driving motor 136 is provided above the projection chamber 20, and a driving roller 138 driven by the operation of the rotation driving motor 136 is provided.
- the drive roller 138 is attached to the swing arm 140 similar to the swing arm 54A (see FIG. 5) of the first embodiment, and the covered roller is similar to the first embodiment.
- the object to be processed W cannot be carried in and out at the same time while the object to be processed W is projected in the projection area 40B.
- W can be carried out and carried in, and the other operations and effects similar to those of the first embodiment described above can be obtained.
- the revolution drive motor 132 (see FIG. 13) is operated, and the rotary 114 and the partition 116 are rotated by a little less than 180 degrees around the revolution shaft 128, so that the object to be processed is inserted into the cage 124.
- the object W is moved between the projection area 40B and the carry-in / out area 40D.
- FIGS. 15 shows the overall configuration of the shot blasting apparatus 150 in a front view
- FIG. 16 shows the overall configuration of the shot blasting apparatus 150 in a right side view
- FIG. The overall configuration is shown in a plan view.
- the shot blasting apparatus 150 shown in these drawings is basically an apparatus in which the shot blasting apparatus 110 (see FIGS. 12 to 14) according to the third embodiment is miniaturized. Note that components that are substantially the same as those of the shot blasting apparatus 110 according to the first to third embodiments are denoted by the same reference numerals and description thereof is omitted.
- the circulating device 152 for conveying the projection material projected by the first and second projectors 118A and 118B and circulating it to the first and second projectors 118A and 118B is a bucket elevator.
- the upper part of 34B is connected to separator 120C via chute 34D. That is, the circulation device 152 does not have a configuration corresponding to the screw conveyor 34E and the rotary screen 120B in the circulation device 120 of the third embodiment shown in FIG.
- the shot processing apparatuses are the shot blast apparatuses 10, 80, and 110.
- the shot processing apparatus may be applied to, for example, a shot peening apparatus.
- the centrifugal type projector (1st projector 30A, 88A, 118A and 2nd projector 30B, 88B, 118B) which accelerates and projects a projection material with a centrifugal force is shot blasting apparatus 10.
- the projector may be another projector such as an air nozzle type projector that pumps a projection material together with compressed air and injects it from a nozzle. .
- the shaft portion of the drive motor is directly connected to the revolving shaft portion (rotating shaft) or the drive motor is driven.
- the revolving shaft portion (rotating shaft) may be driven by a directly connected tension rubber roller.
- the revolution stop position of the to-be-processed target object W is set to the 1st position, the 2nd position, and the 3rd position, and it is like this from a viewpoint of projecting more efficiently and uniformly.
- the revolution stop position of the workpiece W may be set to any two positions of the first position, the second position, and the third position, for example.
- the first projectors 30A, 88A, 118A are arranged on the sides of the top of the rotary 14, 84, 114, and the center lines L1, L3 in the projection direction of the projection material to be projected are the processing chamber R1.
- R2 and R3 are set so as to incline toward the lower side of the apparatus, and the second projectors 30B, 88B and 118B are disposed on the lower sides of the rotary 14, 84 and 114 and Although the center lines L2 and L4 in the projection direction of the projection material to be projected are set to incline toward the upper side of the apparatus toward the inside of the processing chambers R1, R2 and R3, for example, the shape of the object to be processed Depending on the case, a configuration may be adopted in which the projector is disposed only on the side of the central portion in the vertical direction of the rotary.
- centerline L1, L3 of the projection direction of the projection material in 1st projector 30A, 88A, 118A and center line L2, of the projection direction of the projection material in 2nd projector 30B, 88B, 118B, L4 is set so as not to intersect in the space on each projection position side from the lower extension line of the rotation shaft of the suspension support portion (the rotation shaft member 46, the hanger hook 92, the rotation shaft member 122),
- Such a configuration is preferable from the viewpoint of more efficiently projecting the object to be processed W, but a mode that is not such a setting can also be adopted.
- the suspension support part (the rotation shaft member 46, the hanger hook 92, the rotation shaft member 122) is stopped by rotation at a predetermined time, the suspension support part is always rotated at the time of revolution. obtain.
- the shot processing apparatus includes six processing chambers arranged in parallel in the circumferential direction of the rotary, and the rotary is temporarily stopped at the revolution stop position of the object to be processed. Two of the processing chambers are arranged in the projection area, two of the processing chambers are arranged in the carry-in area, and two of the processing chambers are arranged in the carry-out area It may be.
- a cam-type indexing device for example, a configuration in which a configuration including an index man (registered trademark) manufactured by CKD) and a torque limiter is used for driving the portion (rotating shaft) may be employed.
- rotation drive mechanism 110 ... shot blasting device (shot processing device), 114 ... Rotary, 114A ... Opening, 114U ... Ceiling, 116 ... Partition, 118A ... First projector, 118B ... Second projector, 122 ... Spinning shaft member (suspending support) Part), 126 ... rotation drive mechanism, L1 ... center line in the projection direction of the projection material in the first projector, L2 ... center line in the projection direction of the projection material in the second projector, L3 ... projection material in the first projector. L4... Projection direction center line of the second projector, R1... Projection direction center line, R1... Processing chamber, R2.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Cleaning By Liquid Or Steam (AREA)
- Load-Engaging Elements For Cranes (AREA)
- Drying Of Solid Materials (AREA)
- Treatment Of Fiber Materials (AREA)
Abstract
Description
本発明の第1の実施形態に係るショット処理装置としてのロータリーハンガー式のショットブラスト装置10について図1~図6を用いて説明する。なお、これらの図において適宜示される矢印FRは図1の装置正面視の手前側を示しており、矢印UPは装置上方側を示しており、矢印LHは図1の装置正面視の左側を示している。また、矢印Xは被処理対象物Wの搬送方向を示している。 [First Embodiment]
A rotary hanger type
次に、上記実施形態の作用及び効果について説明する。 (Action / Effect)
Next, the operation and effect of the above embodiment will be described.
次に、本発明の第2の実施形態に係るショット処理装置としてのショットブラスト装置80について、図7~図10を用いて説明する。図7には、本実施形態に係るショットブラスト装置80の全体構成が正面図にて示され、図8には、ショットブラスト装置80の全体構成が右側面図にて示され、図9には、ショットブラスト装置80の全体構成が平面図にて示されている。また、図10には本実施形態における処理室R2の構成が平面視の断面図にて示されている。なお、第1の実施形態と実質的に同様の構成部については、同一符号を付して説明を省略する。 [Second Embodiment]
Next, a
なお、第2の実施形態の変形例として、ロータリー84の内部の仕切構成は、図11に示されるような構成でもよい。なお、上記実施形態と実質的に同様の構成部は同一符号を付して説明を省略する。また、詳細図示を省略するが、仕切部86には、処理室R2の室内側へ向けられた仕切面にライナ(第2の実施形態におけるライナ87A、87B(図10参照)と同様のライナ)が取り付けられ、ロータリー84には、底床部及び天井部に適宜ライナが取り付けられている。 [Modification of Second Embodiment]
As a modification of the second embodiment, the partition configuration inside the rotary 84 may be a configuration as shown in FIG. Note that components that are substantially the same as those in the above embodiment are denoted by the same reference numerals and description thereof is omitted. Although not shown in detail, the
次に、本発明の第3の実施形態に係るショット処理装置としてのショットブラスト装置110について、図12~図14を用いて説明する。図12には、本発明の第3の実施形態に係るショットブラスト装置110の全体構成が正面図にて示され、図13には、ショットブラスト装置110の全体構成が右側面図にて示され、図14には、ショットブラスト装置110の全体構成が平面図にて示されている。なお、第1、第2の実施形態と実質的に同様の構成部については、同一符号を付して説明を省略する。また、本実施形態に係るショットブラスト装置110の被処理対象物Wには、例えば、鋳造品、プレス品、及び溶接構造物等、より具体的には一例として自動車関連部品が適用される。 [Third Embodiment]
Next, a
次に、本発明の第4の実施形態に係るショット処理装置としてのショットブラスト装置150について、図15~図17を用いて説明する。図15には、ショットブラスト装置150の全体構成が正面図にて示され、図16には、ショットブラスト装置150の全体構成が右側面図にて示され、図17には、ショットブラスト装置150の全体構成が平面図にて示されている。 [Fourth Embodiment]
Next, a
なお、上記実施形態では、ショット処理装置は、ショットブラスト装置10、80、110とされているが、ショット処理装置は、例えば、ショットピーニング装置に適用されてもよい。 [Supplementary explanation of the embodiment]
In the above embodiment, the shot processing apparatuses are the
Claims (5)
- 装置上下方向の軸線の周りに回転可能に設けられ、前記軸線の周りの空間が仕切部に仕切られることで複数の処理室が周方向に並設されると共に、前記処理室には外周側に向けて開口し被処理対象物の搬入用、前記被処理対象物の搬出用、及び投射材の通過用となる開口部が形成されているロータリーと、
前記処理室における前記開口部を通して前記処理室の内部に投射材を投射する投射機と、
前記ロータリーの天井部に設けられ、前記被処理対象物を前記処理室内に吊り下げ支持する共に前記被処理対象物が前記投射機により投射される投射エリアで自転可能な吊下支持部と、
前記ロータリーを前記軸線の周りに回転させることで前記吊下支持部を公転させると共に、前記投射エリアの複数位置を前記被処理対象物の公転停止位置として前記ロータリーを一次停止させる回転駆動機構と、
を有するショット処理装置。 A plurality of processing chambers are arranged in the circumferential direction by partitioning the space around the axis line with a partitioning portion, and the processing chamber is arranged on the outer peripheral side. A rotary in which an opening is formed that is opened and is used for carrying in the object to be treated, for carrying out the object to be treated, and for passing the projection material;
A projector that projects a projection material into the processing chamber through the opening in the processing chamber;
A suspension support unit provided on the ceiling of the rotary, and supporting the object to be treated in a suspended manner in the processing chamber and capable of rotating in a projection area in which the object to be treated is projected by the projector;
A rotary drive mechanism for revolving the suspension support by rotating the rotary around the axis, and temporarily stopping the rotary with a plurality of positions in the projection area as a revolution stop position of the object to be processed;
A shot processing apparatus. - 前記投射エリアにおける前記被処理対象物の公転停止位置は、
装置平面視で前記吊下支持部の自転軸心が前記投射機における投射材の投射方向の中心線上に配置される位置となる第二位置と、
前記第二位置に対して前記ロータリーの回転方向上流側の位置である第一位置と、
前記第二位置に対して前記ロータリーの回転方向下流側の位置である第三位置と、
に設定されている、請求項1記載のショット処理装置。 The revolution stop position of the object to be processed in the projection area is
A second position which is a position where the rotation axis of the suspension support part is arranged on the center line of the projection direction of the projection material in the projector in plan view of the apparatus;
A first position that is a position upstream of the rotary direction in the rotational direction of the rotary;
A third position which is a position on the downstream side in the rotational direction of the rotary with respect to the second position;
The shot processing apparatus according to claim 1, wherein - 前記被処理対象物を前記吊下支持部に吊り下げ支持させるための搬入エリアと、
前記被処理対象物を前記吊下支持部から降ろすための搬出エリアと、
が設けられると共に、
前記処理室が前記ロータリーの周方向に三室以上並設されており、前記被処理対象物の公転停止位置で前記ロータリーを一次停止させた場合に前記処理室のうちの少なくとも一室が前記搬入エリアに配置されると共に前記処理室のうちの他の少なくとも一室は前記搬出エリアに配置されるように設定されている、請求項1又は請求項2に記載のショット処理装置。 A carry-in area for hanging and supporting the object to be processed on the suspension support part,
A carry-out area for lowering the object to be treated from the suspension support;
Is provided,
Three or more processing chambers are arranged in the circumferential direction of the rotary, and when the rotary is temporarily stopped at the revolution stop position of the object to be processed, at least one of the processing chambers is the carry-in area. The shot processing apparatus according to claim 1, wherein at least one other chamber among the processing chambers is set to be disposed in the carry-out area. - 前記投射機は、
前記ロータリーの上部の側方に配置され、投射材の投射方向の中心線が前記処理室の内部側へ向けて装置下方側に傾斜するように設定された第一投射機と、
前記ロータリーの下部の側方に配置され、投射材の投射方向の中心線が前記処理室の内部側へ向けて装置上方側に傾斜するように設定されると共に、投射材の単位時間当たりの投射量が前記第一投射機に比べて多量に設定された第二投射機と、
を備えている、請求項1~請求項3のいずれか1項に記載のショット処理装置。 The projector is
A first projector that is arranged on the side of the upper part of the rotary, and is set so that the center line in the projection direction of the projection material is inclined toward the apparatus lower side toward the inside of the processing chamber;
Projection per unit time of the projection material is arranged on the side of the lower part of the rotary, and is set so that the center line in the projection direction of the projection material is inclined to the upper side of the apparatus toward the inside of the processing chamber. A second projector whose amount is set to be larger than that of the first projector;
The shot processing apparatus according to any one of claims 1 to 3, further comprising: - 前記第一投射機における投射材の投射方向の中心線と、前記第二投射機における投射材の投射方向の中心線とが、少なくとも前記吊下支持部の自転軸の下方側延長線よりも各投射位置側の空間では交差しない関係に設定されている、請求項4記載のショット処理装置。 The center line in the projection direction of the projection material in the first projector and the center line in the projection direction of the projection material in the second projector are at least more than the lower extension line of the rotation shaft of the suspension support part. The shot processing apparatus according to claim 4, wherein the shot processing apparatus is set so as not to intersect in the space on the projection position side.
Priority Applications (2)
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CN201290000437.XU CN203792183U (en) | 2011-07-19 | 2012-05-18 | Shot-blast treating device |
BR112013026822-0A BR112013026822B1 (en) | 2011-07-19 | 2012-05-18 | GRIT PROCESSING DEVICE |
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JP2011158427A JP2014176903A (en) | 2011-07-19 | 2011-07-19 | Shot treatment device |
JP2011-158427 | 2011-07-19 |
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CN (1) | CN203792183U (en) |
BR (1) | BR112013026822B1 (en) |
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Cited By (3)
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CN103567882A (en) * | 2013-10-28 | 2014-02-12 | 浙江阿克希龙舜华铝塑业有限公司 | Surface polishing device for lipstick tube |
WO2014136308A1 (en) * | 2013-03-07 | 2014-09-12 | 新東工業株式会社 | Shot processing device |
WO2016027554A1 (en) * | 2014-08-20 | 2016-02-25 | 日本発條株式会社 | Vertical motion impeller-type shot peening device and coil spring |
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CN105619589B (en) * | 2016-03-07 | 2017-10-31 | 湖北中南管道有限公司 | One kind centrifugation board safety convenience instrument |
JP6941259B2 (en) * | 2016-11-30 | 2021-09-29 | 株式会社サンポー | Shot blasting device |
JP2018176286A (en) * | 2017-04-03 | 2018-11-15 | 株式会社サンポー | Blast machine device |
JP7008923B2 (en) * | 2020-12-10 | 2022-01-25 | 株式会社サンポー | Shot blasting device |
CN112847161A (en) * | 2021-03-11 | 2021-05-28 | 天津英德诺机械设备有限公司 | Full-automatic high-precision rotary sand blasting equipment for cookware |
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- 2011-07-19 JP JP2011158427A patent/JP2014176903A/en not_active Withdrawn
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- 2012-05-18 WO PCT/JP2012/062832 patent/WO2013011736A1/en active Application Filing
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WO2016027554A1 (en) * | 2014-08-20 | 2016-02-25 | 日本発條株式会社 | Vertical motion impeller-type shot peening device and coil spring |
JP2016043429A (en) * | 2014-08-20 | 2016-04-04 | 日本発條株式会社 | Impeller elevation type shot-peening device, and coil spring |
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US10836013B2 (en) | 2014-08-20 | 2020-11-17 | Nhk Spring Co., Ltd. | Vertical motion impeller-type shot peening device and coil spring |
Also Published As
Publication number | Publication date |
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CN203792183U (en) | 2014-08-27 |
JP2014176903A (en) | 2014-09-25 |
BR112013026822B1 (en) | 2020-06-02 |
BR112013026822A2 (en) | 2016-12-27 |
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