WO2018051530A1 - ショット処理装置 - Google Patents

ショット処理装置 Download PDF

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Publication number
WO2018051530A1
WO2018051530A1 PCT/JP2017/005745 JP2017005745W WO2018051530A1 WO 2018051530 A1 WO2018051530 A1 WO 2018051530A1 JP 2017005745 W JP2017005745 W JP 2017005745W WO 2018051530 A1 WO2018051530 A1 WO 2018051530A1
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WO
WIPO (PCT)
Prior art keywords
projection
projection device
cabinet
processed
chamber
Prior art date
Application number
PCT/JP2017/005745
Other languages
English (en)
French (fr)
Japanese (ja)
Inventor
梅村　貢
Original Assignee
新東工業株式会社
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 新東工業株式会社 filed Critical 新東工業株式会社
Priority to JP2018539498A priority Critical patent/JP6593545B2/ja
Priority to CN201780000563.2A priority patent/CN108349066B/zh
Publication of WO2018051530A1 publication Critical patent/WO2018051530A1/ja

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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
    • B24C3/08—Abrasive blasting machines or devices; Plants essentially adapted for abrasive blasting of travelling stock or travelling workpieces
    • B24C3/10—Abrasive blasting machines or devices; Plants essentially adapted for abrasive blasting of travelling stock or travelling workpieces for treating external surfaces
    • B24C3/14—Apparatus using impellers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
    • B24C3/00—Abrasive blasting machines or devices; Plants
    • B24C3/32—Abrasive blasting machines or devices; Plants designed for abrasive blasting of particular work, e.g. the internal surfaces of cylinder blocks
    • 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 disclosure relates to a shot processing apparatus.
  • a shot processing device there is a device in which a plurality of projection devices are arranged and a projection material is projected from a plurality of directions toward a long object to be processed.
  • a configuration is known in which a projection device is arranged on the upper side, the lower left diagonal side, and the lower right diagonal side of the transport path as viewed in the transport direction of the object to be processed ( For example, see Patent Document 1 below).
  • These projection apparatuses include a case that houses an impeller that faces the projection chamber. The case is fixed to the outside of the peripheral wall portion forming an inverted triangle on the outer peripheral side of the transport path when viewed in the transport direction of the object to be processed.
  • an inspection port is formed on the side opposite to the projection chamber side. The inspection port is closed by a lid that can be opened and closed.
  • the present disclosure is intended to provide a shot processing apparatus that can improve the working environment during maintenance and inspection in consideration of the above-described problems.
  • a shot processing apparatus includes a target object to be processed from an obliquely lower side on one side in the left-right width direction with respect to a transport path in which a long target object is transported in a predetermined transport direction.
  • a first projection device that projects a projection material toward the second projection device that projects the projection material toward the object to be processed from the other side in the left-right width direction with respect to the transport path;
  • a third projection device that projects a projection material toward the object to be processed from one obliquely upper side in the left-right width direction with respect to the conveyance path; the first projection device; the second projection device;
  • a third projection device is provided, and a projection chamber for performing surface processing of the object to be processed is formed inside by the projected projection material, and an inspection opening for inspecting the first projection device is formed through.
  • the inspection opening can be opened and closed by an openable body.
  • a closed cabinet, and each of the first projection device, the second projection device, and the third projection device includes a rotatable impeller, and the rotation of the impeller causes the object to be covered.
  • a centrifugal projection device capable of projecting a projection material toward the object to be processed is provided.
  • the first projection device is attached to the inside of the cabinet, and the entire impeller is disposed inside the projection chamber.
  • the second projection device and the third projection device each include a case that is attached to the outside of the cabinet and communicates with the projection chamber inside, and the impeller facing the projection chamber is included in the case And an inspection port penetratingly formed on the opposite side of the projection chamber in the case is closed by a lid that can be opened and closed.
  • a 1st projection apparatus is a to-be-processed object from the diagonally lower side of the one side of the left-right width direction with respect to the conveyance path
  • the first projection device, the second projection device, and the third projection device are provided in the cabinet.
  • a projection chamber that forms a surface of the object to be processed by the projected projection material is formed inside.
  • the first projection device, the second projection device, and the third projection device are centrifugal projection devices, each having a rotatable impeller and being directed toward the object to be processed as the impeller rotates. Projecting material can be projected.
  • the first projection device is attached to the inside of the cabinet. And the whole impeller is arrange
  • the second projection device and the third projection device each include a case that is attached to the outside of the cabinet and communicates with the projection chamber.
  • the case accommodates an impeller that faces the projection chamber, and an inspection opening that is formed through the case on the side opposite to the projection chamber is closed by a lid that can be opened and closed.
  • the inspection port of the case of the second projection device is opened in order to inspect the second projection device at the time of maintenance inspection of the shot processing device, the inspection port is only opened to the side.
  • this shot processing device suppresses the projection material remaining in the case from falling outside the shot processing device, as compared with a comparative structure in which the inspection port opens downward or obliquely downward. Can do.
  • the inspection port of the case of the third projection device is opened in order to inspect the third projection device during maintenance inspection of the shot processing device, the inspection port is opened obliquely upward, so that the third projection
  • the projection material remaining in the case of the apparatus basically does not leak out of the shot processing apparatus from the inspection port.
  • At least both sides of an area where the object to be processed is surface-processed by a projection material in the conveyance path are inserted through the object to be processed so as to penetrate in the conveyance direction of the object to be processed.
  • One guide cylinder member is disposed, and a plurality of the projection chambers are set along the conveyance direction of the object to be processed, and the projection chambers adjacent to each other are communicated by the guide cylinder member,
  • Each of the plurality of projection chambers may be provided with two or less of the first projection device, the second projection device, and the third projection device.
  • At least one guide through which the object to be processed penetrates in the conveyance direction of the object to be processed is inserted on both sides of the area where the object to be processed is surface-processed by the projection material in the conveyance path.
  • Tube members are respectively arranged.
  • a plurality of projection chambers are set along the conveyance direction of the object to be processed, and adjacent projection chambers are communicated with each other by a guide tube member. Accordingly, since the object to be processed passes through the guide cylinder members on the carry-in side and the carry-out side of each projection chamber, the object to be treated is conveyed on the carry-in side and the carry-out side of each projection chamber with almost no deviation from the desired conveyance path.
  • the surface of the object to be processed is sequentially processed in each projection chamber.
  • each of the plurality of projection chambers two or less of the first projection device, the second projection device, and the third projection device may be provided.
  • the internal structure including the anti-wear structure for each projection chamber can be simplified.
  • the deviation of the amount of the projection material accumulated at the bottom can be suppressed, and the projection material can be easily collected.
  • a plurality of the guide tube members may be provided in series in at least one of the portions that connect the projection chambers adjacent to each other.
  • the object to be processed passes through the plurality of guide cylinder members in at least one of the portions where the adjacent projection chambers communicate with each other. For this reason, since a to-be-processed target object is stably supported by the some guide cylinder member, the 1st projection apparatus, the 2nd projection apparatus, and the 3rd projection apparatus have projected the projection material on the to-be-processed object. Even in the situation, bending, shaking, and meandering of the object to be processed can be suppressed.
  • the projector includes a bucket elevator that conveys the projection material projected by the first projection device, the second projection device, and the third projection device to the upper side of the cabinet.
  • a side wall portion that includes a circulation device that circulates to the first projection device, the second projection device, and the third projection device, and a suction unit that sucks air inside the cabinet, and constitutes an outer wall of the bucket elevator
  • at least one of the upper wall portion may be formed with an intake port for sucking outside air.
  • the intake port for sucking outside air is formed through at least one of the side wall portion and the upper wall portion constituting the outer wall of the bucket elevator, and the air inside the cabinet is sucked by the suction means. Then, outside air is inhaled from the intake port. For this reason, there is no need to separately provide a ventilation inlet in the projection chamber, so that the projection material does not leak from the ventilation inlet in the projection chamber, which can contribute to the maintenance of the work environment.
  • the components of the bucket elevator can be cooled by sucking outside air from the intake port formed through at least one of the side wall portion and the upper wall portion of the bucket elevator.
  • At least one of the first projection device, the second projection device, and the third projection device is rotated by a driven pulley that rotates integrally with the impeller and a drive motor.
  • a support mechanism provided on the cabinet side, and a connection mechanism capable of adjusting the distance between the rotation end of the rotation member and the support. Good.
  • the rotation member supports the drive motor and supports the drive pulley via the drive motor, and is rotatable with respect to the cabinet so that the distance between the drive pulley and the driven pulley can be adjusted. It is supported.
  • the connecting mechanism connects the rotation end of the rotation member and the support provided on the cabinet side so as to face the rotation end of the rotation member, and the rotation end of the rotation member. The distance between the part and the support part can be adjusted. Thereby, the distance between the drive pulley and the driven pulley is adjusted, and the tension of the drive belt can be adjusted. Therefore, when adjusting the tension of the drive belt, for example, it is not necessary to loosen the fixing bolt of the drive motor, so that workability at the time of maintenance inspection can be improved.
  • each of the first projection device, the second projection device, and the third projection device is provided with an introduction pipe that supplies a projection material, and at least one of the three introduction pipes.
  • an introduction pipe that supplies a projection material
  • at least one of the three introduction pipes On the lower end part side of one introduction pipe, a throttle part whose inner diameter becomes smaller toward the lower end opening side of the introduction pipe may be provided.
  • the lower end portion side of at least one of the three introduction pipes is provided with the throttle portion whose inner diameter becomes smaller toward the lower end opening side of the introduction pipe. It is easy to adjust the flow direction of the projection material, and it is also possible to reduce the flow speed of the projection material in the introduction pipe. Furthermore, since the drop range of the projection material supplied to the projection device side is reduced in the introduction pipe provided with the throttle portion, the parts for receiving the projection material on the projection device side can be reduced, and the maintenance and inspection performance of the components is improved. Has also contributed.
  • the shot processing device of the present disclosure it is possible to improve the work environment during maintenance inspection.
  • FIG. 2 is a left side view showing the shot blasting apparatus of FIG. 1 as viewed from the left side of the apparatus, and shows the lower part of the cabinet in a state seen through the inside of the left side of the apparatus.
  • FIG. 2 is a right side view showing the shot blasting apparatus of FIG.
  • FIG. 7A is a longitudinal sectional view showing an arrangement state of the first projection device.
  • FIG. 7B shows a state in which FIG. 7A is viewed from the direction of arrow 7B.
  • FIG. 7C is a partial cross-sectional view of FIG. 7A viewed from the direction of arrow 7C.
  • FIG. 8A shows a partially broken view of the third projection device as seen from the obliquely upward side of the front side of the device.
  • FIG. 8B is a diagram of the third projection device as seen from the obliquely lower side on the front side of the device. It is a figure which shows a part of 3rd projection apparatus of FIG.
  • FIG. 9A is a diagram of a state of the case of the third projection device and the like as viewed from an obliquely upward side on the back side of the device.
  • FIG. 9B shows a view as seen from the direction of arrow 9B in FIG.
  • 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 shows a shot blasting apparatus 10 in a front view.
  • the shot blasting apparatus 10 uses a metal long wire W as an object to be processed.
  • the shot blasting apparatus 10 is an apparatus for removing oxide scale and rust generated on the surface of the wire W.
  • An arrow X appropriately shown in the drawing indicates a transport direction in which the wire W is transported (hereinafter referred to as “wire transport direction”).
  • a wire rod supply device (not shown) is arranged on the upstream side (left side in the drawing) of the wire rod conveyance direction (wire rod traveling direction) with respect to the shot blasting apparatus 10 shown in FIG.
  • the wire rod supply device is for supplying the wire rod W to the shot blasting device 10, and is unwound from the unwinding portion where the wire W before being blasted by the shot blasting device 10 is wound, and the unwinding portion.
  • a guide roller that guides the wire W to the carry-in side of the shot blasting apparatus 10 while correcting the wire W to be substantially linear.
  • a winding device (not shown) is arranged on the downstream side (right side in the figure) in the wire conveying direction with respect to the shot blasting device 10.
  • the winding device includes a reel that is rotationally driven by a drive motor, and is a device that winds the wire W that has been blasted by the shot blasting device 10 and carried out at a predetermined speed and a predetermined tension by the reel.
  • the wire W is transported by a drawing machine (a device that pulls the wire W to a specified thickness by a die and repeatedly pulls the wire W while reciprocating. A device provided with means) is applied.
  • the shot blasting apparatus 10 includes a cabinet 12.
  • Projection chambers 14, 16, and 18 (also referred to as “processing chambers” and “scouring chambers”) for forming the surface of the wire W by projecting the projection material onto the wire W are formed inside the cabinet 12. .
  • a plurality (three in the present embodiment) of the projection chambers 14, 16, and 18 are set along the conveyance direction of the wire W.
  • the projection chamber 14 and the projection chamber 16 are partitioned by a partition wall 12X, and the projection chamber 16 and the projection chamber 18 are partitioned by a partition wall 12Y.
  • the cabinet 12 is formed with an inlet 20 for carrying the wire W on the upstream side (left side in the figure) in the wire conveyance direction, and the wire W on the downstream side (right side in the figure) in the wire conveyance direction.
  • a carry-out port 22 intended for carrying out is formed.
  • At least one guide tube member 30 is disposed inside the cabinet 12 on both sides of an area where the wire W is surface-processed by the projection material in the transport path A.
  • the guide cylinder member 30 is fixed to the cabinet 12 and is formed in a substantially cylindrical shape penetrating in the conveying direction of the wire W, and the wire W is inserted therethrough.
  • the guide hole formed in the guide cylinder member 30 gradually decreases in diameter toward the downstream side in the wire conveyance direction, and is arranged so that the axis of the guide hole coincides with the center of the conveyance path A of the wire W. ing.
  • the projection chamber 14 and the projection chamber 16 adjacent to each other are communicated by a guide cylinder member 30, and similarly, the projection chamber 16 and the projection chamber 18 adjacent to each other are communicated by a guide cylinder member 30. More specifically, a plurality of (two by way of example) guide cylinder members 30 are provided in series at a portion where the projection chamber 14 and the projection chamber 16 that are adjacent to each other communicate with each other. A plurality (two by way of example) of guide cylinder members 30 are provided in series at a portion where the adjacent projection chamber 16 and the projection chamber 18 communicate with each other.
  • a first seal structure portion 32 is provided on the carry-in port 20 side of the cabinet 12 on the upstream side in the wire conveying direction from the carry-in port 20, and the case body 32 ⁇ / b> C of the first seal structure portion 32 is located with respect to the cabinet 12. It is attached.
  • the second seal structure 34 is provided on the side of the carry-out port 22 of the cabinet 12 on the downstream side in the wire conveyance direction with respect to the carry-out port 22, and the case body 34 ⁇ / b> C of the second seal structure 34 is formed in the cabinet 12. Is attached to.
  • FIG. 3 shows a part of the shot blasting apparatus 10 in a plan view.
  • FIG. 4 shows a left side view of the shot blasting apparatus 10 as viewed from the left side of the apparatus, and the lower part of the cabinet 12 is shown in a state where the inside of the left side of the apparatus is seen through.
  • FIG. 5 shows a rear view of the shot blasting apparatus 10 as seen from the apparatus rear side.
  • FIG. 6 shows a right side view of the shot blasting apparatus 10 as viewed from the right side of the apparatus, and the lower part shows an intermediate part of the apparatus in the left-right direction.
  • the cabinet 12 is provided with a first projection device 24, a second projection device 26, and a third projection device 28.
  • a first projection device 24 is provided in the projection chamber 14 shown on the upstream side of the transport path
  • a second projection device 26 is provided in the projection chamber 16 shown on the midstream side of the transport path, which is shown on the downstream side of the transport path.
  • the projection chamber 18 is provided with a third projection device 28.
  • the first projection device 24 includes a rotatable impeller 24 ⁇ / b> A and is capable of projecting a projection material toward the wire W along with the rotation of the impeller 24 ⁇ / b> A. It is said that.
  • the impeller 24A of the first projection device 24 is rotated by the driving force of the driving motor M1.
  • the second projection device 26 includes a rotatable impeller 26 ⁇ / b> A, and projects the projection material toward the wire W (see FIG. 1) as the impeller 26 ⁇ / b> A rotates. It is supposed to be a centrifugal projection device.
  • the impeller 26A of the second projection device 26 is rotated by the driving force of the driving motor M2.
  • the third projection device 28 includes a rotatable impeller 28 ⁇ / b> A, and is a centrifuge capable of projecting a projection material toward the wire W with the rotation of the impeller 28 ⁇ / b> A. It is a type projection device.
  • the impeller 28A of the third projection device 28 is rotated by the driving force of the driving motor M3.
  • the rotation direction of the impeller 24A (schematically shown in the drawing) of the first projection device 24 is indicated by an arrow R1
  • the impeller 26A (schematically shown in the drawing) of the second projection device 26. )
  • the rotation direction of an impeller 28A (schematically illustrated in the drawing) of the third projection device 28 is indicated by an arrow R3.
  • the first projection device 24, the second projection device 26, and the third projection device 28 will be described in detail later.
  • an introduction pipe 36 for supplying a projection material is disposed above the first projection apparatus 24, the second projection apparatus 26, and the third projection apparatus 28.
  • a shot supply device 38 is connected to the upper end of the.
  • a total of three shot supply devices 38 are connected to the lower side of the shot material storage shot tank 48.
  • These shot supply devices 38 include a shot gate (not shown). When the shot gate is opened and closed, the first projection device 24, the second projection device 26, and the third projection device 36 are provided via the introduction pipe 36. This is a device for supplying a projection material to the projection device 28. The opening and closing of the shot gate is controlled by an ECU (control device) (not shown).
  • a circulation device 40 is connected to the first projection device 24, the second projection device 26, and the third projection device 28 via a shot supply device 38.
  • the circulation device 40 conveys the projection material projected by the first projection device 24, the second projection device 26, and the third projection device 28 to the first projection device 24, the second projection device 26, and the third projection device 28. It is a device to circulate.
  • the circulation device 40 includes a hopper 42 on the lower side inside the cabinet 12.
  • the projection material projected by the first projection device 24, the second projection device 26 (see FIG. 3) and the third projection device 28 is collected.
  • a collection port (not shown) of the bucket elevator 44 is arranged at the lower end of the hopper 42 so as to face it. In other words, the hopper 42 is disposed so that the projection material can be collected at the collection port on the lower end side of the bucket elevator 44.
  • FIG. 2 shows a right side view of the shot blasting apparatus 10 viewed from the right side of the apparatus, and the configuration of the bucket elevator 44 is shown by a hidden line (dotted line) or the like.
  • the bucket elevator 44 is a known structure and will not be described in detail, as shown in FIG. 2, an endless belt 44B is wound around pulleys 44A arranged at the upper and lower portions of the shot blasting apparatus 10, and the endless belt 44B is also endless.
  • a number of buckets 44C (only some of which are shown in the figure) are attached to the belt 44B.
  • the pulley 44A is connected to a motor and can be driven to rotate.
  • the bucket elevator 44 scoops up the projection material collected by the hopper 42 with the bucket 44C and rotates the pulley 44A with a motor to convey the projection material in the bucket 44C upward of the cabinet 12. It is like that.
  • the outer wall of the bucket elevator 44 includes a side wall portion 44S that forms a rectangular cylindrical portion and an upper wall portion 44U that connects the upper ends of the side wall portions 44S.
  • the side wall 44S is formed with an intake port 44E for sucking outside air (see a broken portion in the drawing).
  • a separator 46 is disposed in the vicinity of the upper side of the bucket elevator 44.
  • the separator 46 is provided in the circulation path of the circulation device 40, and separates and removes foreign matter other than the projection material and a material in which the projection material is broken, and is provided below the lower end portion where the reusable projection material is dropped.
  • a shot tank 48 for storing the projection material is disposed.
  • a wind power sorting mechanism is applied as an example in the present embodiment. The wind power sorting mechanism freely drops a mixture containing a reusable projection material and other granular materials and applies an airflow to the mixture, thereby placing the airflow on the mixture and exceeding a predetermined reference position. , And objects that fall without exceeding the reference position.
  • FIG. 2 is connected to the separator 46 shown in FIG. 2 through a pipe section including a duct 52 as a suction means.
  • the dust collector 50 is illustrated as a block.
  • the dust collector 50 is also connected to the cabinet 12 through a piping section including a duct 53, and sucks and collects air containing dust inside the cabinet 12 and inside the separator 46.
  • the dust collector 50 may be a bag filter type dust collector as disclosed in JP-A-2002-239627. The dust is dust generated in the cabinet 12 and the separator 46.
  • FIG. 7A shows a longitudinal sectional view (an enlarged sectional view in which a part of FIG. 4 is enlarged) in which the arrangement state of the first projection device 24 is enlarged.
  • the first projection device 24 is moved along a conveyance path A in which the wire W is conveyed in a predetermined conveyance direction (in FIG. 7 (A), from the front side to the back side).
  • the projection material is projected toward the wire W from the obliquely lower side on one side in the left-right width direction (in the present embodiment, the right side in the figure (the front side of the apparatus)).
  • the position of the portion arranged inside the cabinet 12 is such that the axial direction of the portion excluding the introduction tube 24 ⁇ / b> B described later is inclined toward the upper side of the device toward the front side of the device, and The inclination angle in the axial direction is set to 30 °. Moreover, the attitude
  • FIG. 7A shows the position of the impeller 26A of the second projection device 26 when viewed in the conveying direction of the wire W (in FIG. 7A, from the front side to the back side).
  • the positions of the impellers 28A of the three projection devices 28 are schematically shown by imaginary lines (two-dot chain lines).
  • the second projection device 26 is arranged on the other side in the left-right width direction with respect to the conveyance path A along which the wire W is conveyed (in the present embodiment, the left side in the figure (the back side of the device)).
  • the third projection device 28 Projecting the projection material from the side of the wire toward the wire W, the third projection device 28 is one side in the left-right width direction with respect to the conveyance path A along which the wire W is conveyed (in this embodiment, the right side in the figure)
  • the projection material is projected toward the wire W from the diagonally upper side of (the device front side).
  • the posture of the impeller 26 ⁇ / b> A of the second projection device 26 is parallel to the bottom surface of the cabinet 12.
  • the impeller 28A of the third projection device 28 is inclined toward the upper side of the device toward the front of the device, and the inclination angle with respect to the bottom surface of the cabinet 12 is set to 60 °.
  • the first projector 24 is attached to the inside of the cabinet 12 via an attachment member 54, and the entire impeller 24 ⁇ / b> A is disposed inside the projection chamber 14.
  • an inspection opening 12 ⁇ / b> A for inspecting the first projection device 24 is formed through the cabinet 12, and the inspection opening 12 ⁇ / b> A serves as an openable opening / closing body. It is blocked by the inspection door 56.
  • the basic configuration of the first projection device 24 shown in FIG. 7B shows a state in which FIG. 7A is viewed from the direction of the arrow 7B
  • FIG. 7C shows a state in which FIG. 7A is viewed from the direction of the arrow 7C. Since it is a figure shown in a partial cross section, please refer to it together.
  • the first projection device 24 includes an introduction cylinder 24B into which the projection material supplied from the introduction pipe 36 is introduced, and the projection material introduced into the introduction cylinder 24B is supplied.
  • the control cage 24C is provided.
  • the control cage 24C is formed in a cylindrical shape, and an opening window is formed through the outer peripheral wall as a discharge portion for the projection material.
  • the aforementioned impeller 24A is disposed on the outer peripheral side of the control cage 24C.
  • the impeller 24A includes a plurality of blades 24A1 that rotate in the circumferential direction of the control cage 24C.
  • the impeller 24A is rotated in the circumferential direction of the control cage 24C by obtaining a rotational force via the driving force transmission mechanism 58 by the operation of the driving motor M1 (see FIG. 4).
  • the second projection device 26 shown in FIG. 5 and the third projection device 28 shown in FIG. 6 are substantially the same in basic configuration as the first projection device 24 shown in FIG. However, it differs from the first projection device 24 shown in FIG. 7A in that it includes cases 26D and 28D (see FIGS. 5 and 6) described later.
  • the axis of the introduction tube 24B is bent in a curved shape, but the second projection device 26 shown in FIG. This axis is also different.
  • the lower end portion side of the introduction pipe 36 that supplies the projection material to the first projection device 24 is disposed inside the projection chamber 14.
  • the lower portion of the introduction pipe 36 is made of a steel material having high wear resistance.
  • the lower part of the introduction pipe 36 may have improved wear resistance by heat treatment.
  • a throttle portion 60 whose inner diameter becomes smaller toward the lower end opening side of the introduction pipe 36 is provided.
  • the throttle portion 60 is formed by a throttle tube 62 fixed to the inner surface side of the lower end portion of the introduction tube 36.
  • the second projection device 26 includes a case 26 ⁇ / b> D attached to the outside of the vertical wall portion 12 ⁇ / b> B on the back side of the cabinet 12.
  • the outer shape of the case 26 ⁇ / b> D is formed in a substantially trapezoidal cone shape, and the inside of the case 26 ⁇ / b> D communicates with the projection chamber 16.
  • An impeller 26A facing the projection chamber 16 is accommodated in the case 26D.
  • a rectangular inspection port 26Y is formed through the vertical wall portion of the case 26D opposite to the projection chamber 16 side.
  • the shape of the inspection port 26Y is the same as that of the inspection port 28Y of the case 28D of the third projection device 28 described later, so please refer to that as well.
  • the inspection port 26Y is closed by a lid body 26X that can be opened and closed.
  • the third projection device 28 includes a case 28D attached to the upper side (outside) of the upper wall portion 12C of the cabinet 12.
  • the outer shape of the case 28D and the like of the third projection device 28 is simplified.
  • a more accurate shape of the outer shape of the case 28D and the like of the third projection device 28 is shown in FIG. Therefore, refer to FIG. 9 as appropriate for more accurate shapes of the case 28D and the like.
  • FIG. 9A shows a state in which the case 28D and the like of the third projection device 28 are viewed obliquely from above the rear side of the device
  • FIG. 9B shows the state of FIG. The figure of the state seen from the arrow 9B direction is shown.
  • the introduction cylinder is denoted by reference numeral 28B.
  • the shape of the case 26D of the second projection device 26 shown in FIG. 3 is more precisely the same as the shape of the case 28D of the third projection device 28 shown in FIG.
  • the case 28D of the third projection device 28 has an outer shape generally formed in a trapezoidal cone shape, and the inside of the case 28D communicates with the projection chamber 18.
  • the case 28D accommodates an impeller 28A that faces the projection chamber 18.
  • a rectangular inspection port 28Y is formed through the top wall portion on the opposite side to the projection chamber 18 side.
  • the inspection port 28Y is closed by an openable / closable lid 28X (see FIG. 9).
  • FIG. 8A shows a partially broken view of the third projection device 28 as seen from the diagonally upper side on the front side of the device.
  • FIG. 8B shows the third projection device. The figure of the state which looked at 28 from the apparatus front side diagonally lower side is shown.
  • the third projection device 28 includes a driven pulley 66, a driving pulley 68, and a driving belt 70 as the driving force transmission mechanism 64.
  • the driven pulley 66 is rotatably supported with respect to the cabinet 12 shown in FIG. 8B and is rotated integrally with the impeller 28A (shown schematically in the drawing).
  • the drive pulley 68 is rotated by a drive motor M3 shown in FIG.
  • the central axis of the driven pulley 66 and the central axis of the driving pulley 68 are set in parallel.
  • the drive belt 70 has an endless belt shape and is wound around the drive pulley 68 and the driven pulley 66.
  • the driven pulley 66, the driving pulley 68, and the driving belt 70 are disposed inside the cover 65 (see FIG. 1). . Further, as viewed in the direction of FIG. 8A, the drive belt 70 is disposed along a direction orthogonal to the central axis of the impeller 28A.
  • the third projection device 28 includes a rotating member 72 (an element that can be grasped as a base member) that supports the drive motor M3.
  • a side portion of the drive motor M3 is fixed to the rotating member 72 with a bolt 71 or the like via an attachment member 73.
  • the drive motor M3 is positioned at a predetermined position with respect to the rotating member 72 using a positioning pin.
  • the central axis of the drive motor M3 is set parallel to the central axis of the impeller 28A.
  • the rotating member 72 supports the driving pulley 68 via the driving motor M3, and is supported so as to be rotatable with respect to the cabinet 12 so that the distance between the driving pulley 68 and the driven pulley 66 can be adjusted.
  • a step 12C1 is formed on the upper wall 12C of the cabinet 12 on the left side of the case 28D of the third projection device 28.
  • the lower portion of the plate 74 extending in the vertical direction and the bracket 76 extending to the side away from the step portion 12C1 are fastened and fixed to the step portion 12C1.
  • a shaft member 78 disposed in parallel with the shaft of the drive pulley 68 is provided on the distal end side of the bracket 76, and the base end portion of the rotation member 72 is rotatable around the axis of the shaft member 78. Is attached.
  • the rotating end 72A of the rotating member 72 and the support 74A constituting the upper end of the plate 74 are connected by a connecting mechanism 80.
  • the support portion 74 ⁇ / b> A of the plate 74 is a support portion provided on the cabinet 12 side so as to face the rotation end portion 72 ⁇ / b> A of the rotation member 72.
  • the coupling mechanism 80 includes a bolt 82 (also referred to as a centered bolt) provided with an eyebolt-shaped annular head portion 82A (refer to a partially enlarged view on the right side) and a nut 84 (left side) into which a shaft portion 82B of the bolt 82 is screwed.
  • a pin 86 (see the right side partial enlarged view) to be inserted into the annular head portion 82A of the bolt 82.
  • a U-shaped notch 74K that opens upward is formed at the upper end of the plate 74, and a U-shaped notch that opens upward is formed at the rotating end 72A of the rotating member 72.
  • 72K is formed, and a pin fixing portion 72B to which the pin 86 is fixed is formed.
  • long holes whose longitudinal direction is the vertical direction may be formed.
  • a nut 84 is provided on a part of the periphery of the notch 74K on both the front and back both sides of the upper end of the plate 74. Then, the shaft portion 82B of the bolt 82 inserted through the notch portion 72K of the rotating end portion 72A of the rotating member 72 is screwed into the nut 84, and the pin 86 is inserted into the annular head portion 82A of the bolt 82. Are fixed to the pin fixing portion 72B.
  • the axial direction of the bolt 82 is a direction perpendicular to the plate 74.
  • the coupling mechanism 80 adjusts the distance between the rotating end portion 72A of the rotating member 72 and the support portion 74A of the plate 74 by changing the relative position between the shaft portion 82B of the bolt 82 and the nut 84. It is possible.
  • the 1st projection apparatus 24 shown by FIG. 4 and the 2nd projection apparatus 26 shown by FIG. 5 are also examples of the 3rd projection apparatus 28 shown by FIG. A configuration corresponding to a configuration (a configuration including a driven pulley 66, a driving pulley 68, a driving belt 70, a rotating member 72, and a coupling mechanism 80) is provided.
  • the first projection device 24 is one of the left and right width directions with respect to the conveyance path A along which the long wire W is conveyed in a predetermined conveyance direction.
  • the projection material is projected toward the wire W from the obliquely lower side on the side (right side in the figure).
  • the 2nd projection apparatus 26 projects a projection material toward the wire W from the side of the other side (left side in a figure) of the left-right width direction with respect to the conveyance path
  • the first projecting device 24, the second projecting device 26, and the third projecting device 28 are provided in the cabinet 12, and the wire 12 is projected onto the cabinet 12 by the projected projecting material.
  • Projection chambers 14, 16 and 18 for surface processing are formed inside.
  • the 1st projection apparatus 24, the 2nd projection apparatus 26, and the 3rd projection apparatus 28 are made into the centrifugal projection apparatus, and while providing the impeller 24A, 26A, 28A which can rotate, respectively, the impeller 24A, 26A.
  • the projection material can be projected toward the wire W (see FIG. 1) with the rotation of 28A.
  • the first projection device 24 is attached to the inside of the cabinet 12, and the entire impeller 24A is disposed inside the projection chamber. Further, as shown in FIG. 1, an inspection opening 12 ⁇ / b> A for inspecting the first projection device 24 is formed through the cabinet 12, and the inspection opening 12 ⁇ / b> A is closed by an inspection door 56 that can be opened and closed. . For this reason, when the inspection opening 12A of the cabinet 12 is opened in order to check the first projection device 24 during the maintenance inspection of the shot blasting device 10, the first projection device 24 shown in FIG. Even if the projection material remaining in the vicinity of the impeller 24 ⁇ / b> A falls, the projection material basically falls only inside the cabinet 12.
  • the second projection device 26 and the third projection device 28 include cases 26 ⁇ / b> D and 28 ⁇ / b> D that are respectively attached to the outside of the cabinet 12 and communicate with the projection chambers 16 and 18.
  • 26D and 28D accommodate the impellers 26A and 28A facing the projection chambers 16 and 18, and the inspection ports 26Y and 28Y formed through the case 26D and 28D on the opposite side to the projection chambers 16 and 18 side. Is closed by openable and closable lids 26X and 28X. For this reason, when the inspection port 26Y of the case 26D of the second projection device 26 is opened to inspect the second projection device 26 during maintenance inspection of the shot blasting device 10, the inspection port 26Y opens to the side.
  • the projection material remaining in the case 26D can be prevented from falling out of the shot blasting apparatus 10 as compared with a comparative structure in which the inspection port opens downward or obliquely downward. .
  • the inspection port 28Y of the case 28D of the third projection device 28 is opened in order to inspect the third projection device 28 during maintenance inspection of the shot blasting device 10, the inspection port 28Y opens obliquely upward. Therefore, the projection material remaining in the case 28D of the third projection device 28 basically does not leak out of the shot blasting device 10 from the inspection port 28Y.
  • the work environment during maintenance and inspection can be improved.
  • the first projection device 24, the second projection device 26, and the third projection device 28 can be easily assembled, and the components of the first projection device 24, the second projection device 26, and the third projection device 28 are included. Easy to replace.
  • the first projection device 24, the second projection device 26, and the third projection device 28 are easily lowered by being brought close to the cabinet 12 of the shot blasting device 10 while being suspended by an overhead crane. Assembled to.
  • the projection device is attached. Not good.
  • the alignment structure is more advantageous than the comparison structure in aligning the centers of the projection directions of the device 24, the second projection device 26, and the third projection device 28.
  • route A of the wire W and the center of each projection direction of the 1st projection apparatus 24, the 2nd projection apparatus 26, and the 3rd projection apparatus 28 are match
  • the said contrast structure bottom face of a cabinet
  • the wire W of the object to be processed may have a small diameter or a high tensile strength (for example, special steel, alloy steel, etc.).
  • a high tensile strength for example, special steel, alloy steel, etc.
  • the shot blasting apparatus often increases in size.
  • the shot blasting apparatus 10 of this embodiment the height of the entire apparatus can be suppressed.
  • the wire W is inserted through both sides of the area where the wire W is surface-processed by the projection material in the transport path A so as to penetrate in the transport direction of the wire W.
  • At least one guide tube member 30 is disposed.
  • a plurality of projection chambers 14, 16, and 18 are set along the conveyance direction of the wire W, and the projection chamber 14 and the projection chamber 16 that are adjacent to each other are communicated by the guide tube member 30, and are adjacent to each other. 16 and the projection chamber 18 are communicated with each other by a guide cylinder member 30.
  • the wire W passes through the guide cylinder members 30 on the carry-in side and the carry-out side of the projection chambers 14, 16, and 18, the wire W has a desired transfer path on the carry-in side and the carry-out side of the projection chambers 14, 16, and 18. While being transported with almost no deviation from A, the surface of the wire W is sequentially processed in each of the projection chambers 14, 16, and 18.
  • the projection chamber 14 is provided with a first projection device 24, the projection chamber 16 is provided with a second projection device 26 (see FIG. 3), and the projection chamber 18 is provided with a third projection device 28. Yes.
  • the internal structure including the wear countermeasure structure of each projection chamber 14, 16, 18 can be simplified.
  • a plurality of guide cylinder members 30 are serially connected to a portion where the adjacent projection chamber 14 and the projection chamber 16 are communicated and a portion where the adjacent projection chamber 16 and the projection chamber 18 are communicated. Is provided. Therefore, the wire W passes through the plurality of guide cylinder members 30 in a portion where the projection chamber 14 and the projection chamber 16 are communicated and a portion where the projection chamber 16 and the projection chamber 18 are communicated. For this reason, since the wire rod W is stably supported by the plurality of guide cylinder members 30, the first projection device 24, the second projection device 26 (see FIG. 3), and the third projection device 28 are projected onto the wire rod W. Even in a situation where the wire W is projected, bending, shaking, and meandering of the wire W can be suppressed.
  • the side wall 44 ⁇ / b> S that constitutes a part of the outer wall of the bucket elevator 44 is formed with an air inlet 44 ⁇ / b> E for penetrating outside air.
  • the outside air 44B and the like (components) of the bucket elevator 44 can be cooled by sucking outside air from the intake port 44E formed through the side wall 44S of the bucket elevator 44 shown in FIG.
  • the rotating member 72 supports the drive motor M3 and supports the drive pulley 68 via the drive motor M3.
  • the driven pulley 66 are rotatably supported with respect to the cabinet 12 so as to be adjustable.
  • the connecting mechanism 80 connects the rotating end portion 72A of the rotating member 72 and the support portion 74A provided on the cabinet 12 side facing the rotating end portion 72A of the rotating member 72, and The distance between the rotation end portion 72A of the rotation member 72 and the support portion 74A can be adjusted. Thereby, the distance between the drive pulley 68 and the driven pulley 66 is adjusted, and the tension of the drive belt 70 can be adjusted. Accordingly, when adjusting the tension of the drive belt 70, for example, it is not necessary to loosen the bolts for fixing the drive motor to match the parallelism with the axis of the projection device. Can be improved.
  • the lower end side of the introduction pipe 36 that supplies the projection material to the first projection device 24 is disposed inside the projection chamber 14.
  • a throttle portion 60 whose inner diameter becomes smaller toward the lower end opening side of the introduction pipe 36 is provided. Therefore, the flow direction of the projection material to be supplied can be more easily adjusted, and the flow rate of the projection material in the introduction pipe 36 can be reduced.
  • the fall range of the projection material supplied to the first projection device 24 side becomes small, so the first projection device 24 arranged in a limited space called the projection chamber 14. It is also possible to make the introduction cylinder 24B smaller, which contributes to the improvement of the maintenance and inspection of parts.
  • one side in the left-right width direction is the right side in the cross-sectional view of FIG. 7A
  • the other side in the left-right width direction is the cross-sectional view in FIG.
  • “one side in the left-right width direction” is the left side in a cross-sectional view corresponding to FIG. 7A
  • “the other side in the left-right width direction” is It is also possible to adopt a configuration that is on the right side in a cross-sectional view corresponding to FIG.
  • the “left-right width direction” corresponds to the left-right direction when viewed in the conveyance direction of the wire W (object to be processed) as shown in FIG.
  • the first projection chamber includes a first projection device (24) and a second projection device.
  • (26) and the third projection device (28) are set, and the first projection device (24), the second projection device (26), and the third projection device (28) are set in the second projection chamber.
  • each of the plurality of projection chambers may be provided with two or less of the first projection device (24), the second projection device (26), and the third projection device (28). .
  • any one or two of the first projection device (24), the second projection device (26), and the third projection device (28) are shown in FIG.
  • the drive motors (M1, M2, M3) are fixed to the cabinet (12) side so as not to rotate, without including the configuration corresponding to the shaft member 78, the rotation member 72, and the coupling mechanism 80.
  • any of the first projection device (24), the second projection device (26), and the third projection device (28) includes the shaft member 78, the rotation member 72, and the like shown in FIG. A configuration in which, for example, the drive motors (M1, M2, M3) are fixed to the cabinet (12) side so as not to rotate can be employed without providing a configuration corresponding to the coupling mechanism 80.
  • the intake port for intake of outside air formed through the bucket elevator (44) is a bucket elevator (44). ) May be formed on the upper wall portion (44U). Further, as another modification of the above-described embodiment, a configuration in which an intake port for sucking outside air is formed so as to penetrate through the cabinet (12) instead of the bucket elevator (44) can be adopted.
  • the projection material is supplied to the lower end side of the introduction pipe (36) that supplies the projection material to the second projection device (26) and to the third projection device (28).
  • At least one of the lower ends of the introduction pipe (36) may be provided with a throttle portion whose inner diameter becomes smaller toward the lower end opening side of the at least one introduction pipe (36).
  • a configuration in which the throttle portion (60) is not provided on the lower end side of the introduction pipe (36) that supplies the projection material to the first projection device (24) may be employed.
  • a maintenance station where an operator can enter in order to perform maintenance and inspection of the circulation device 40 and the separator 46 may be disposed in the vicinity of the circulation device 40 and the separator 46.
  • the shot processing apparatus is the shot blasting apparatus 10, but the shot processing apparatus may be a shot peening apparatus.
  • a suction unit that sucks air inside the cabinet (12), and a side wall (44S) And a bucket elevator (44) in which an intake port (44E) for sucking outside air is formed in at least one of the upper wall portion (44U).
  • SYMBOLS 10 Shot blasting device (shot processing device), 12 ... Cabinet, 12A ... Inspection opening, 14 ... Projection chamber, 16 ... Projection chamber, 18 ... Projection chamber, 24 ... First projection device, 24A ... Impeller, 26 ... Second projection device, 26A ... impeller, 26D ... case, 26X ... lid, 26Y ... inspection port, 28 ... third projection device, 28A ... impeller, 28D ... case, 28X ... lid, 28Y ... inspection port, DESCRIPTION OF SYMBOLS 30 ... Guide cylinder member, 36 ... Introducing pipe, 40 ... Circulating device, 44 ... Bucket elevator, 44E ... Intake port, 44S ...

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Pusher Or Impeller Conveyors (AREA)
  • Projection Apparatus (AREA)
  • Jib Cranes (AREA)
PCT/JP2017/005745 2016-09-15 2017-02-16 ショット処理装置 WO2018051530A1 (ja)

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CN201780000563.2A CN108349066B (zh) 2016-09-15 2017-02-16 喷丸处理装置

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JP2012035389A (ja) * 2010-08-10 2012-02-23 Sintokogio Ltd 表面処理装置
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JP5545113B2 (ja) * 2010-08-10 2014-07-09 新東工業株式会社 表面処理装置
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JPS63151267U (zh) * 1987-03-23 1988-10-05
CN2264635Y (zh) * 1996-09-03 1997-10-15 青岛铸造机械厂 一种线材抛丸清理机
JP2002239627A (ja) * 2001-02-09 2002-08-27 Sintokogio Ltd 線材のディスケ−リング方法、ディスケ−リング装置及びショトブラスト装置
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CN108349066B (zh) 2021-03-12
TWI713709B (zh) 2020-12-21
TW201813777A (zh) 2018-04-16
JPWO2018051530A1 (ja) 2019-06-24
CN108349066A (zh) 2018-07-31
JP6593545B2 (ja) 2019-10-23

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