JP2006334712A - Shot blast device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a shot blast device capable of efficiently performing blasting by projecting liquid mixed with a projection material by a projector using an impeller at a wide angle by a simple structure and smoothly guiding the liquid mixed with the projection material to the projector by the simple structure. <P>SOLUTION: This shot blast device 1 is constituted of a case body 2, a supporting tool 4 for supporting a workpiece 3 provided in the case body 2, the projector 15 using the impeller 14 capable of projecting the liquid mixed with the projection material to the workpiece supported by the supporting tool 4, and a pump 19 to supply the liquid mixed with the projection material to the projector 15. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention relates to a shot blasting apparatus for removing deburring and surface treatment of a molded product, dirt on the surface of a workpiece, and the like.

  A conventional wet shot blasting apparatus projects a projection material from a projection material projection nozzle and injects hot water or washing water from another nozzle.

For this reason, the apparatus for projecting a projection material and the apparatus which injects warm water and washing water are required, and there existed a fault that a structure was complicated and cost became high.
In addition, the device for projecting the projection material requires a device that smoothly transports the projection material without clogging the projection material, and has a drawback that it becomes more complicated.
nothing special

  In view of the above-mentioned conventional drawbacks, the present invention has a simple structure, and can project a liquid mixed with a projection material at a wide angle by a projector using an impeller, and perform blasting efficiently. An object of the present invention is to provide a shot blasting apparatus capable of smoothly guiding a liquid mixed with materials to a projector with a simple structure.

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.

  To achieve the above object, the present invention projects a case body, a support tool for supporting a work provided in the case body, and a liquid in which a projection material is mixed to the work supported by the support tool. A shot blasting apparatus is constituted by a projector using a possible impeller and a pump for supplying a liquid in which a projection material is mixed to the projector.

  As will be apparent from the following description, the present invention has the following effects.

(1) A case body, a support tool for supporting a workpiece provided in the case body, and a projector using an impeller capable of projecting a liquid in which a projection material is mixed to the work supported by the support tool. , Because it is composed of a pump that supplies a liquid mixed with a projection material to this projector, the liquid mixed with the projection material is projected at a wide angle by a projector using an impeller, Dirt on the surface treatment or workpiece surface can be removed.

(2) According to the above (1), since the liquid mixed with the projection material is supplied to the projector using the impeller by the pump, the structure is simple and the liquid mixed with the projection material can be transported smoothly.

(3) According to the above (1), the liquid in which the projection material is mixed by the pump is supplied to the projector using the impeller, and the projection is performed so that the burrs and the like of the molded product can be removed onto the workpiece. It is not necessary to transport the liquid mixed with the blasting material to the machine at an increased speed or pressure, and a structure that is simple and reliably transports can be used.

(4) In claim 2, the same effects as in the above (1) to (3) are obtained, the structure of the projector is simple and can be easily manufactured, and the slurry pump is used efficiently. In addition, it is possible to supply a liquid in which a projection material having excellent durability is mixed.

  Hereinafter, the present invention will be described in detail with reference to the best mode for carrying out the invention shown in the drawings.

  1 to FIG. 7, in the first preferred embodiment for carrying out the present invention, reference numeral 1 denotes a shot blasting apparatus according to the present invention for removing deburring and surface treatment of a molded product, dirt on the surface of a workpiece, and the like. The shot blasting apparatus 1 includes a case body 2, a table 4 formed of a perforated plate or a net body as a support for supporting the work 3 provided in the upper portion of the case body 2, and the table 4 A sorter using an open / close door 5 attached to the case body 2 and a vibrating screen provided in the case body 2 below the table 4 via a hopper 6 so that the workpiece 3 can be taken in and out. 7, a liquid tank 8 for storing liquid such as water and cleaning liquid selected by the selection device 7, a projection material tank 9 for storing projection material, a small garbage tank 10 for storing small garbage, and a large container for storing large garbage. A tank 11, a mixing tank 13 including a mixer 12 that guides and mixes the liquid from the liquid tank 8 and the projection material from the projection material tank 9, and the projection material to the table 4 above the case body 2. A projector 15 using an impeller 14 mounted so as to be able to project the mixed liquid, and a slurry that sucks the liquid mixed with the projection material of the mixing tank 13 and guides it to the nozzle 16 located in the projector 15. A supply passage 18 provided with a pump 17, a pump 19 for showering the liquid in the liquid tank 8 onto the work 3 supported by the table 4, and a shower device 21 including a shower nozzle 20 are configured.

  The projector 15 has a lower surface opened 22 and a wheel cover 23 in which a nozzle insertion hole 24 into which the nozzle 16 is inserted and fixed is formed on a suction side wall surface 23a. The projector 15 is rotatably mounted in the wheel cover 23. The impeller 14 includes a high-speed motor 25 attached to the wheel cover 23 so that the impeller 14 is rotationally driven at high speed. The impeller 14 is a disc-shaped one attached to the drive shaft 26 of the high-speed motor 25. The side cover 27, a plurality of blades 28 that are radially fixed to a portion excluding the central portion of the one side plate 27, and the wheel cover 23 that is fixed so as to cover the plurality of blades 28. And the other side plate 30 having a nozzle insertion hole 29 at a portion corresponding to the nozzle insertion hole 24.

The shot blasting apparatus 1 configured as described above uses water as a liquid when removing burrs from a molded product. Further, when removing dirt on the work surface, cleaning water is used.
When blasting, the work 3 is supported on the table 4 and the projector 15, the pump 19, the slurry pump 17 and the sorting device 7 are driven, so that the liquid mixed with the projection material in the mixing tank 13 is slurry pump. 17 is passed through the supply passage 18 and ejected from the nozzle 16. The liquid containing the projection material ejected from the nozzle 16 is projected toward the work 3 on the table 4 by the impeller 14 rotating at high speed of the projector 15 to perform blasting.
The liquid mixed with the projection material projected by the projector 15 is supplied to the sorting device 7 through the hopper 6 together with the material removed by the workpiece, and sorted into large dust, projection material, small dust, and liquid. To the large garbage tank 11, the projection material tank 9, the small garbage tank 10 and the liquid tank 8.
The liquid supplied to the liquid tank 8 is supplied to the shower nozzle 20 by the mixing tank 13 and the pump 19 of the shower device 21 and is showered on the work 3 on the table 4.
Thus, the liquid mixed with the projection material and the liquid to be showered are circulated and used for the blasting process.
[Different forms for carrying out the invention]

  Next, different modes for carrying out the present invention shown in FIGS. 8 to 14 will be described. In the description of these different modes for carrying out the present invention, the same components as those in the best mode for carrying out the present invention are designated by the same reference numerals and redundant description is omitted. To do.

  The second embodiment for carrying out the present invention shown in FIGS. 8 and 9 is mainly different from the best first embodiment for carrying out the present invention from the upper and side surfaces of the case body 2. In the shot blasting apparatus 1A configured as described above, the present invention can be applied to the shot blasting apparatus 1A in that two projectors 15 and 15 are attached so that the liquid mixed with the material can be projected onto the work 3 supported by the table 4. The same operational effects as those of the first preferred embodiment can be obtained.

The third embodiment for carrying out the present invention shown in FIG. 10 to FIG. 12 is mainly different from the best first embodiment for carrying out the present invention in that the workpiece 3 is stirred while being supported. Since the L-shaped belt conveyor 31 is used as a support that can be used, the shot blasting apparatus 1B configured using such a belt conveyor 31 is the best first for carrying out the present invention. The same effect as that of the embodiment can be obtained.
In addition, 32, 33 and 34 are rotating shafts arranged in the case body 2 so as to be L-shaped, and 35 is a plurality of pieces which are stretched around the rotating shafts 32, 33 and 34 so as to be L-shaped. A belt having a through hole 36, 37 and 37 are guide rollers attached to the case body 2 for pressing both ends of the belt 35 located between the rotary shafts 32 and 34, and 38 is a forward / reverse shaft for the rotary shaft 33. A forward / reverse rotating motor attached to the rotating case body 2.

  The fourth embodiment for carrying out the present invention shown in FIGS. 13 and 14 is mainly different from the best first embodiment for carrying out the present invention in that the projection material sorted by the sorting device 7 is used. And the liquid are automatically stored in the mixing tank 13 provided with the mixer 12 by its own weight, and the liquid overflowing from the mixing tank 13 can be supplied to the shower device 21. Even with the apparatus 1C, the same effects as those of the best first embodiment for carrying out the present invention can be obtained.

  The present invention is used in the industry for manufacturing shot blasting equipment.

1 is a front view of the best first embodiment for carrying out the present invention. The side view of the best 1st form for implementing this invention. Sectional drawing which follows the 3-3 line of FIG. BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a longitudinal sectional view of a projector according to a first embodiment for implementing the present invention. Sectional drawing which follows the 5-5 line of FIG. Explanatory drawing of the nozzle of the best 1st form for implementing this invention. FIG. 3 is an operation explanatory diagram of the best first embodiment for carrying out the present invention. Schematic explanatory drawing of the 2nd form for implementing this invention. The operation | movement explanatory drawing of the 2nd form for implementing this invention. The front view of the 3rd form for carrying out the present invention. Sectional drawing which follows the 11-11 line of FIG. Operation | movement explanatory drawing of the 3rd form for implementing this invention. Schematic explanatory drawing of the 4th form for implementing this invention. Operation | movement explanatory drawing of the 4th form for implementing this invention.

Explanation of symbols

1, 1A, 1B, 1C: Shot blasting device,
2: Case body, 3: Workpiece,
4: Table as a support, 5: Opening / closing door,
6: Hopper, 7: Sorting device,
8: Liquid tank, 9: Projection material tank,
10: Small garbage tank, 11: Large garbage tank,
12: Mixer, 13: Mixing tank,
14: Impeller, 15: Projector
16: Nozzle, 17: Slurry pump,
18: Supply passage, 19: Pump,
20: Shower nozzle, 21: Shower device,
22: Opening, 23: Wheel cover,
24: Nozzle insertion hole, 25: High speed motor,
26: Drive shaft, 27: One side plate,
28: vane plate, 29: nozzle insertion hole,
30: the other side plate,
31: belt conveyor as a support,
32, 33, 34: rotating shaft, 35: belt,
36: through hole, 37: guide roller,
38: Forward / reverse rotating motor.

Claims (2)

A case body, a support tool for supporting a workpiece provided in the case body, a projector using an impeller capable of projecting a liquid in which a projection material is mixed to the work supported by the support tool, and the projection A shot blasting apparatus comprising a pump for supplying a liquid in which a projection material is mixed to a machine. A case body, a support member for supporting a workpiece provided in the case body, and a lower surface capable of projecting a liquid in which a projection material is mixed to the workpiece supported by the support member is opened, and a wall surface on the suction side A wheel cover having nozzle insertion holes formed therein, and a plurality of nozzle insertion holes which are rotatably mounted in the wheel cover and which correspond to side plates at portions corresponding to the nozzle insertion holes of the wheel cover. A shot comprising an impeller having a radial blade plate, a projector composed of a high-speed motor that rotationally drives the impeller at a high speed, and a slurry pump that supplies a liquid mixed with a projection material to the projector. Blasting device.

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