JP2016007655A - Shot blast device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a shot blast device capable of efficiently taking a treated material out of the inside of a large-sized barrel to efficiently perform a treatment operation.SOLUTION: A shot blast device is composed of: a case body in which one sidewall-opened blast treatment chamber is formed; a fixed rail fixed to protrude outside the opened sidewall of the case body; an opening/closing door which slide-moves by the guide of the fixed rail and opens or closes the opened sidewall of the case body; a barrel support frame slide-moving by the guide of the inside fixed rail fixed to the inside of the case body installed to the opening/closing door; a barrel installed to the barrel support frame rotatably in an inclined state; a barrel driving unit installed to the barrel support frame to rotation-drive the barrel; a discharge port installed to the wall face of the barrel so as to open the barrel; a discharge port-opening unit automatically opening the discharge port; and treated material discharge means automatically discharging the treated material after opening the discharge port in the discharge port-opening unit.

Description

  The present invention relates to a shot blasting apparatus having a large size to be used for processing a large amount of a deburring object.

Conventional shot blasting devices are used to remove fine burrs adhering to small molded products, but recently, the demand for products that can remove burrs adhering to large molded products has increased. Barrels, projectiles, projectors, etc. are upsized.
When processing is performed in such a large barrel, there is a drawback that it is difficult to take out the processed material, which is troublesome and the shot blasting apparatus cannot be driven efficiently.

  An object of the present invention is to provide a shot blasting apparatus capable of efficiently removing a processed material from a large barrel and performing a processing operation efficiently in view of the above-described conventional drawbacks.

The above and other objects and novel features of the present invention will become more fully apparent when the following description is read in conjunction with the accompanying drawings.
However, the drawings are for explanation only and do not limit the technical scope of the present invention.

  In order to achieve the above object, the present invention provides a case body in which a blasting chamber having one side wall opened, and a fixed rail fixed so as to protrude outwardly from the one side wall opened by the case body. And an open / close door that opens and closes one side wall of the case body that is guided and slid by the fixed rail, and an inner fixed rail that is fixed to the case body attached to the open / close door and slides. A moving barrel support frame, a barrel rotatably mounted on the barrel support frame and mounted in an inclined state; a barrel driving device mounted on the barrel support frame for rotating the barrel; and a wall surface of the barrel A discharge port attached to open the barrel, a discharge port opening device for automatically opening the discharge port, and a discharge port opened by the discharge port opening device. After constitute a shot blasting device and the processing product discharge means for discharging the treated product automatically.

As is clear from the above description, the present invention has the following effects.
(1) Since the rotatable barrel is attached to the barrel support frame attached to the open / close door according to claim 1, the barrel can be pulled out of the case body.
Therefore, the case body for facilitating removal of the processed product from the barrel need not be made larger than necessary.
(2) According to the above (1), when the barrel is pulled out of the case body by the discharge port opening device and the processed material discharge means, the discharge port of the barrel can be opened without touching the hand and easily without touching the hand. In addition, the processed material in the barrel can be taken out.
(3) According to the above (1), the opening and closing door of the barrel is opened and closed when the barrel is located outside the case body, so there is no need to design the case body to be able to perform a turning operation for taking out the processed material from the barrel, The structure is relatively simple and can be set small.
(4) In the second aspect, the same effects as in the above (1) to (3) can be obtained, and the discharge port can be opened and closed with a small stroke.
(5) According to the third aspect, the same effects as in the above (1) to (4) can be obtained, and the refrigerant can be supplied to the blast treatment chamber to perform the blast treatment at a predetermined temperature.
In addition, even if blasting using a coolant is performed and the processed material is at a low temperature, the processed material can be taken out without touching it by the discharge port opening device and the processed material discharging means, thereby preventing frostbite and the like. can do.

The side view of the 1st form for carrying out the present invention. The front view of the 1st form for carrying out the present invention. Explanatory drawing of the projection state of the projection material of the projector of the 1st form for implementing this invention. Explanatory drawing of the barrel of the 1st form for implementing this invention. Explanatory drawing of the discharge port opening device of the 1st form for carrying out the present invention Explanatory drawing of the state which canceled the engagement state of the cover body of the 1st form for implementing this invention. Explanatory drawing of the state which opens the discharge port of the 1st form for implementing this invention. Explanatory drawing of the state which discharges | emits the processed material of the 1st form for implementing this invention. The side view of the 2nd form for carrying out the present invention. Explanatory drawing of the barrel of the 2nd form for implementing this invention.

  Hereinafter, the present invention will be described in detail with reference to the embodiments shown in the drawings.

  In the first embodiment for carrying out the present invention shown in FIGS. 1 to 8, reference numeral 1 denotes a large shot blasting apparatus of the present invention for removing burrs from a large molded article (processed product). The apparatus 1 includes a case body 5 installed at a rear end position from the center of the support base 4 in which a blasting chamber 3 having one side wall opened 2 is formed, and one side wall of the case body 5 where the opening 2 is opened. An outer fixed rail 6 fixed to the outer wall surface of the lower portion of the support base 4 or the case body 5 so as to protrude outward, and the case body 5 slidably moved while being guided by the outer fixed rail 6. The sliding door 7 is guided and slid by an opening / closing door 7 for opening and closing one side wall of the opening 2 and an inner fixed rail 8, 8, 8 fixed in the case body 5 attached to the inner wall surface 7 a of the opening / closing door 7. Barrel support frame 9 The large barrel 10 that can rotate on the barrel support frame 9 and is attached in an inclined state has a weight of about 26 kg and a capacity of about 240 L, and the large barrel 10 is opened on the wall surface of the large barrel 10. A discharge port 12 attached to the discharge port, a discharge port opening device 41 that automatically opens the discharge port 12, and a discharge of the processed material that automatically discharges the processed material after the discharge port opening device 41 opens the discharge port A barrel driving device as means 11 and an impeller 15 for projecting material 14 to processing object 13 in the large barrel 10 installed in a staggered state on the outer wall upper surface of the front portion of the case body 5. Two projectors 16, 16 that project and a hopper 17 that is fixed at a position where the large barrel 10 can slide at a lower position of the case body 5, and a lower portion of the hopper 17. A sorting device 18 that is attached to the support 4 of the installation and sorts the large burrs, projection material, and small burrs from the hopper 17 that falls, and the large burrs sorted by the sorting device 18. A large burr storage container 19, a projection material storage tank 21 provided so that the projection material 14 sorted by the sorting device 18 can be supplied via the suction hoses 20, 20 of the projectors 16, 16, A small burr storage container 22 for storing small burrs sorted by the sorting device 18 and a refrigerant supply device 23 for supplying a refrigerant into the blast treatment chamber 3 of the case body 5 as needed. .

  The barrel drive device as the processed material discharge means 11 is attached to the barrel support frame 9 and the opening / closing door 7 and is also used as a device for rotationally driving the large barrel 10.

  In addition, when the two projectors 16 and 16 installed in a staggered state on the upper surface of the outer wall of the front portion of the case body 5 rotate the large barrel 10 counterclockwise, the processed object 13 becomes large. Since it moves so as to be located on the right side from the lower position of the barrel 10, it moves to the right side of the large-sized barrel 10 and the processed product 13 located at the lower position of the large barrel 10 and falls to the lower position by gravity. This is because the projection material can be accurately projected on the processed object 13 and can be widely projected in the axial direction of the large barrel 10 (the longitudinal direction of the large barrel 10).

  The large barrel 10 has an octagonal shape, an octagonal cylindrical barrel body 27 in which a large number of holes 24 having a small diameter at the top and bottom are formed, a discharge port 12 formed in the barrel body 27, The bottom end 30b formed in the shape and the rear end portion 32b on the bottom side of the front end portion 32a on the inlet 31 side of the barrel main body 27 are positioned on the inner wall surface of the barrel main body 27 so that the rotational direction is located first. A substantially triangular stirring plate main body 32 fixed in an inclined state 32c, and a processed product on the stirring plate main body 32 formed on the tip end portion 32a of the portion excluding the rear end portion 32b side of the stirring plate main body 32. 13 and a stirring plate 35 comprising a return plate 33 that guides 13 toward the bottom surface of the barrel main body 27, and a dropout prevention portion 34 that is bent at the tip of the barrel main body 27 on the inlet 31 side of the return plate 33. Has been.

  The discharge port 12 includes two substantially trapezoidal openings 26 and 26 formed in the lower wall 25 of the barrel main body 27, and engaging portions 28 formed on the sides of the openings 26 and 26, respectively. 28 and substantially trapezoidal lids 29 and 29 in which a large number of holes 24 are formed so as to be slidably engaged with the engaging portions 28 and 28.

  The discharge port opening device 41 is attached to an arm case 42 fixed to the case body 5, an arm turning air cylinder 43 pivotally supported on the arm case 42, and a tip of the arm turning air cylinder 43. At the same time, the arm body 45 pivotally supported by the pivot pin 44 on the opening / closing arm case, and attached to the tip of the arm body 45 via an air cylinder 46, is moved left and right by air pressure or hydraulic pressure. It consists of gripping portions 47 and 47 (see FIG. 5).

  In the case of opening the discharge port 12, the gripping portions 47 and 47 of the discharge port opening device 41 hold the lid bodies 29 and 29 of the barrel main body 27 to open the openings 26 and 26, and then the processed material discharge means 11. The large barrel 10 is rotated by the (barrel driving device) and the processed material is discharged from the openings 26 and 26. The outlet opening device 41 is positioned so that the large body 10 is located when the open / close door 7 of the case body 5 is opened and the barrel support frame 9 is pulled out to the side. Is attached.

  An opening / closing door 7 that closes the opening 2 of the case body 5 is attached to the case body 5 and the opening / closing door 7. The locking device 36 may have any structure as long as it is an existing one, but it is preferable that the locking device 36 can be easily locked or unlocked.

  A method of using the shot blasting apparatus 1 having the above configuration will be described. When a large barrel 10 is positioned outside the case body 5, a large processed material 13 for removing burrs is introduced into the large barrel 10.

  Next, when the open / close door 7 is pushed in the direction of the case body 5, the open / close door 7 and the barrel support frame 9 slide along the outer fixed rail 6 and the inner fixed rails 8, 8, 8. When 2 is covered with the opening / closing door 7, the opening / closing door 7 is locked to the case body 5 by the locking tool 36.

  Thereafter, by driving a motor 37 attached to the opening / closing door 7 of the barrel driving device, the barrel driving device is driven to rotate the large barrel 10.

  Further, by driving the two projectors 16 and 16, the impellers 15 and 15 are rotated, the projecting material 14 in the projecting material storage tank 21 is sucked by the suction hoses 20 and 20, and the impellers 15 and 15 have a large barrel. The projecting material 14 is projected onto the processed product 13 in 10.

  In the case where the burrs are easily removed by cooling when the projectors 16 and 16 are driven, the on-off valve 38 of the refrigerant supply device 23 is opened in the blast treatment chamber 3 and the refrigerant is supplied.

  The processed product 13 stored in the large barrel 10 is rotated by the large barrel 10, the processed product 13 is placed on the stirring plate main body 32 by the stirring plate 35, and is put on the stirring plate main body 32 by the return plate 33. When the processed product 13 is pushed upward without dropping, the processed product 13 slides toward the rear end portion 33 b of the return plate 33 and drops to the bottom surface of the large barrel 10.

  As a result, the processed product 13 can be stirred while being slid and moved in the direction of the inlet 31 and the bottom plate 30 of the large barrel 10 (the front-rear direction, which is the axial direction of the large barrel 10). 13 stirring is possible.

  When the burrs are removed from the processed product 13 in the large barrel 10, the driving of the projectors 16 and 16 is stopped and the barrel driving device is also stopped.

  Next, the locking tool 36 is unlocked, the opening / closing door 7 is slid in the opening direction, and the barrel support frame 9 attached to the opening / closing door 7 is also moved out of the case body 5. The barrel 10 is also located outside the case body 5. At this time, the discharge port 12 of the large barrel 10 is located at the top.

  Next, by extending the arm rotation air cylinder 43 of the discharge port opening device 41, the arm main body 45 rotates about the pivot pin 44 and tilts forward. Next, the gripping portion 47 is opened to the left and right, and the arm rotating air cylinder 43 is further extended to be positioned at the handle portions 29 a and 29 a of the lid bodies 29 and 29. Thereafter, the grip 47 is moved in the closing direction to grip the lids 29 and 29. In this state, the air cylinder 46 is extended, and the lids 29 and 29 are slid in the expanding direction to release the engaged state with the engaging portion 28 of the barrel main body 27 and open the opening portions 26 and 26. Thereafter, the arm turning air cylinder 43 is contracted, and the arm body 45 is turned away from the barrel body 27. Thereafter, the barrel 10 is rotated by the processed material discharge means 11 (barrel driving device) so that the openings 26 and 26 are positioned below, and the processed material 13 from which the burrs are removed from the openings 26 and 26 is guided downward. The product is dropped and discharged to the processing object storage container 40 through 39.

  When the discharge of the processed product 13 is completed, the barrel 10 is rotated by the processed product discharging means 11 (barrel driving device) so that the openings 36 and 36 are positioned upward. Next, the arm rotating air cylinder 43 is extended, the lid bodies 29 and 29 are positioned in the vicinity of the openings 26 and 26, and the air cylinder 46 is contracted so that the lid bodies 29 and 29 are engaged with the engaging sections 28 and 28. , 28, 28, the arm rotating air cylinder 43 is contracted, and the arm main body 45 is stored in the arm case 42.

  The openings 26 and 26 are formed in a substantially trapezoidal shape, and engaging portions 28 and 28 are provided on both sides thereof. A lid 29 similar to the openings 26 and 26 is formed on the engaging portions 28 and 28. By engaging, when the lid bodies 29 and 29 are held and opened by the lid body opening / closing arm 44, the engagement state can be released with a small stroke by sliding the lid bodies 29 and 29 in the expanding direction.

  Thereafter, the opening / closing door 7 is pushed in the direction of closing the opening 2 of the case body 5, and the operation similar to the above is performed to remove the burrs from the processed material 13.

[Different forms for carrying out the invention]
Next, different modes for carrying out the present invention shown in FIGS. 9 and 10 will be described. In the description of the different embodiments for carrying out the present invention, the same components as those in the first embodiment for carrying out the present invention are denoted by the same reference numerals, and redundant description is omitted.

  The second embodiment for carrying out the present invention shown in FIGS. 9 and 10 is mainly different from the first embodiment for carrying out the present invention in that a substantially triangular opening 26 </ b> A is formed in the barrel main body 27. , 26A, and a large barrel 10A having a discharge port 12A made up of substantially triangular lid bodies 29A, 29A covering the openings 26A, 26A is used. Even in the shot blasting apparatus 1A, the same operation and effect as the first embodiment for carrying out the present invention can be obtained.

  In the detailed description of the present invention, two openings have been described. However, one or three or more openings may be used, and shot blasting is performed without using a refrigerant. It is good also as an apparatus.

  INDUSTRIAL APPLICABILITY The present invention is used in an industry for manufacturing a large shot blasting apparatus used when a large amount of deburring work is processed from a processed product of a large molded product.

1, 1A: Shot blasting device,
2: opening, 3: blasting chamber,
4: Support stand, 5: Case body,
6: Outside fixed rail, 7: Open / close door,
8: inner fixed rail, 9: barrel support frame,
10, 10A: barrel, 11: processed material discharge means,
12, 12A: discharge port, 13: processed material,
14: Projection material, 15: Impeller,
16: Projector, 17: Hopper,
18: Sorting device, 19: Large burr storage container,
20: Suction hose, 21: Projection material storage tank,
22: Small burr storage container, 23: Refrigerant supply device,
24: hole, 25: lower wall,
26, 26A: opening, 27: barrel body,
28: engagement portion, 29, 29A: lid,
30: bottom plate, 31: inlet,
32: Stirring plate body, 33: Return plate,
34: Drop-off prevention part, 35: Stirring plate,
36: Locking tool, 37: Motor,
38: On-off valve, 39: Guide,
40: Processed container, 41: Discharge port opening device,
42: Arm case, 43: Air cylinder for arm rotation,
44: pivot pin, 45: arm body,
46: Air cylinder 47: Gripping part.

Claims (3)

A case body in which a blasting chamber having an open side wall is formed, a fixed rail fixed so as to protrude outward of the open side wall of the case body, and a sliding movement guided by the fixed rail An opening / closing door that opens and closes one side wall of the case body, a barrel support frame that is slidably guided by an inner fixed rail that is fixed to the case body and is attached to the opening / closing door, and the barrel support frame A barrel mounted in an inclined state, a barrel driving device mounted on the barrel support frame for rotating the barrel, and a barrel mounted on the wall of the barrel. A discharge port, a discharge port opening device for automatically opening the discharge port, and a process for automatically discharging the processed material after opening the discharge port with the discharge port opening device. Shot blasting apparatus is characterized in that a goods discharge unit. The outlet of the barrel has at least one opening formed in a substantially trapezoidal shape or a substantially triangular shape, and can be closed by sliding the opening in the expanding direction. 2. The shot blasting apparatus according to claim 1, wherein the shot blasting apparatus is configured by a lid body that can be opened by releasing the combined state. The shot blasting apparatus according to claim 1, further comprising a refrigerant providing device connected to the blasting chamber of the case body and capable of providing a refrigerant in the blasting chamber.

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