JP2001138241A - Shot blasting device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a shot blasting device capable of preventing dust explosion certainly and performing burr removal and the washing operation effectively. SOLUTION: The shot blasting device is composed of a case, a net conveyor installed inside the case so that shot blast works put in from an input hole at one end of the case are discharged from a discharge hole provided at the other end, a blasting machine installed in an upstream position of the conveyor for blasting a mixture of water and a blasting material to the work transported on the conveyor, a supplying device for the water mixture of blasting material to the blasting machine, and a retrieving and selecting device installed under the conveyor for retrieving the blasting material, selecting and supplying the selected material to the supplying device.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a shot blasting apparatus used for deburring die-cast products such as magnesium and aluminum, and for removing paint such as coating jigs.

[0002]

2. Description of the Related Art Conventionally, deburring of a die-cast product such as magnesium or aluminum is performed by projecting a projection material made of a metal material or a projection material made of a synthetic resin material with a projector.

[0003]

When burrs are removed by projecting a conventional projection material made of a metal material or a projection material made of a synthetic resin with a projector, an explosion accident is likely to occur due to the dust such as the removed burrs. There is a drawback in that care must always be taken to prevent dust explosion, and there is a drawback in that the molded product from which burrs have been removed must be washed separately with ultrasonic waves or water using a nozzle.

The present invention has been made in view of the above-mentioned conventional drawbacks,
It is an object of the present invention to provide a shot blast device capable of reliably preventing a dust explosion and removing burrs and efficiently performing a cleaning operation.

[0005] 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.

[0006]

SUMMARY OF THE INVENTION In order to achieve the above object, the present invention provides a case body and a blast product which has been put into the case body through an inlet at one end of the case body can be discharged through an outlet at the other end. A net conveyor provided in the case body; a projector provided at an upstream portion of the net conveyor for projecting water in which a blasting material transferred by the net conveyor is mixed with a blasting material; A feeder for supplying water in which the blasting material is mixed with the machine, a blasting material and the like provided at a lower position of the net conveyor are collected and sorted, and the sorted blasting material is supplied to the feeding device. A shot blasting device is constituted by the collecting and sorting device.

[0007]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described below in detail with reference to the embodiments shown in the drawings.

In the first embodiment of the present invention shown in FIGS. 1 to 9, reference numeral 1 denotes a shot blasting apparatus of the present invention for removing burrs and the like by projecting water mixed with a shot material. The device 1 has a case 4 having an inlet 2 formed at one end and an outlet 3 formed at the other end, and a die-cast molded product such as magnesium or aluminum which is thrown from the inlet 2 of the case 4. Blast products 5 such as painting jigs
At least three, in the embodiment of the present invention, three net conveyors 7 arranged in series via a gap 6 capable of transporting the blasted product 5 into the case body 4 so that the blasted product 5 can be discharged from the discharge port 3. , 7A, 7B and the blasted product 5 transferred by the net conveyors 7, 7A attached to the case body 4 at the upper portion of the upstream portion of the three net conveyors 7, 7A, 7B, Upper projectors 11, 1 for projecting a projectile mixed water 10 in which a projectile 8 made of a resin material and an aqueous solution 9 containing water or a surfactant are mixed.
1 and a net conveyor 7, 7A for projecting the blasting material mixed water 10 to a blasted product 5 transferred by the net conveyors 7, 7A, 7B from gaps 6, 6 between the three net conveyors 7, 7A, 7B. , 7B, the lower projectors 12, 12 attached to the case body 4 at the lower position, and the lower projectors 12, 12, and the upper projectors 11, 11, the projection material for supplying the blast material mixed water 10 thereto. Supply device 13
And a collecting and sorting device that collects and sorts the blast materials and the like provided at the lower positions of the three net conveyors 7, 7A and 7B, and supplies the sorted blast materials 8 to the supply device 13 for the blast materials and the like. 14 and the three net conveyors 7, 7
A, a water washing device 15 which is transported by the net conveyor 7B from the upper and lower portions of the downstream side of the portion 7B to spray water onto the blasted product 5 to wash the blasted product 5, and discharged from the outlet 3 of the case body 4. A drying device 17 for blowing and drying the blasted product 5 while transferring it by a drying net conveyor 16.

The case body 4 is formed so as to prevent water leakage in which the inlet port 2 and the discharge port 3 are formed.
8 comprises a support base 19 for supporting the casing 8 and an exhaust pipe 20 formed on an upper portion of the case body 18 so as to protrude outward.

[0010] The three net conveyors 7, 7A, 7
B is the net conveyor body 21, 2 as shown in FIG.
1A, 21B and the net conveyor bodies 21, 21
Motors 22 and 2 for rotationally driving A and 21B, respectively.
Transmission means 23, 2 such as a belt for transmitting rotation of 2, 22
Net conveyor driving devices 24, 2
4 and 24. The three net conveyors 7, 7A, 7B rotate one net conveyor 7B by the net conveyor driving device 24 and rotate the other net conveyors 7A, 7 by transmission means using a belt or a chain. You may do so.

The upper projectors 11, 11 are semi-elliptical cover bodies 2 each having an impeller 25 rotatably provided inside mounted on both upper sides of the case body 4.
6, 26 and rotating the impellers 25, 25;
Motors 27, 27 attached to the case body 4,
By the rotation of the impellers 25, 25,
The cover body 2 capable of sucking and projecting the 0
Suction nozzles 28, 28 for projectiles provided in 6, 26
It is composed of

The lower projectors 12, 12 are attached to both lower sides of the case body 4 shifted by gaps 6, 6 between the net conveyors 7, 7A, 7B. The same structure as the upper projectors 11, 11 is used.

As shown in FIG. 6, the supply device 13 for the blast material and the like is provided at the upper portion of the case body 4 with a storage tank 29 for a hopper-like blast material and a storage tank for the blast material and the like. The projectile material 8 is applied to both ends provided on the inner bottom of
A screw conveyor 31 driven by a driving device 30 for moving the screw conveyor 31, and distributors 32, 32, 32,
32, one end of which is connected to the suction nozzles 28, 2 of the upper and lower projectors 11, 11, 12, 12.
8, 28, 28 suction pipes 33, 33, 33,
33, a bucket conveyor 34 for supplying the blast material 8 collected and sorted by the collection and sorting device 14 into the storage tank 29 for the blast material and the like, and the collection and sorting device 14 to a storage tank 29 for the blast material and the like. It is composed of a water supply device 37 that supplies the recovered and selected water or aqueous solution 9 using a pump 35 and a hose 36.

As shown in FIG. 7, the collecting and sorting device 14 is provided at the inner bottom of the case 4.
To the discharge port 38 provided near the center of the projectile 8
Conveyor 40 driven by a driving device 39 that guides the burrs and the like, and a vibrator 4 that sorts the blast material and the like falling from the discharge port 38 into large burrs, water or an aqueous solution 9.
A sorting device 44 that vibrates the two sorting vibrating sieves 43, 43 in 1 and the blasting material 8 sorted by the sorting device 44 is supplied to the bucket conveyor 34 of the supply device 13 such as the blasting material. A supply path 45 and a hose 4 for supplying the water or the aqueous solution 9 selected by the separation device 44 to the pump 35 of the water supply device 37 of the supply device 13 such as the blast material.
6.

The water washing device 15 is, as shown in FIG.
A plurality of injection ports 4 are installed in the case body 4 so that water can be injected from the upper and lower portions of the blast product 5 transferred to the downstream side of the net conveyor 7B.
7, a water tank 49 for supplying water so that water can be jetted from the upper and lower shower nozzles 48, 48, and the water in the water tank 49 is supplied to the upper and lower shower nozzles 48, 48. The cleaning water supply device 52 includes a hose 51 in which a shower pump 50 is interposed.

As shown in FIG. 9, the drying device 17 includes a drying case 54 supplied with a blast product 5 discharged from the discharge port 3 of the case 4 via a cylindrical shooter 53, and a drying case 54. The drying net conveyor 16 driven by the driving device 55 provided in the case body 54, and the blast product 5 transferred by the drying net conveyor 16
Upper and lower blower nozzles 56, 56 for blowing air or hot air from above and below,
6 and a blower 57 attached to the drying case body 54 for supplying air or hot air to the drying case body 6.

In the shot blasting apparatus 1 having the above-described structure, the blast product 5 is supplied to the net conveyor 7 from the input port 2 so that the blast product 5 is supplied to the net conveyors 7 and 7.
A and 7B are discharged from the discharge port 3 to the drying device 17.

The blast product 5 is a net conveyor 7, 7A
When passing through, the projectile mixed water 10 is projected from above by the supply device 13 for projectiles and the like from the upper projectors 11 and 11, and the lower projector from the gaps 6 and 6 between the net conveyors 7, 7A and 7B. The projecting material mixed water 10 is projected from below by a projecting material supply device 13 from 12 and 12 to remove burrs and the like.

A blast product 5 from which burrs and the like have been removed
Is the water washing device 15 at the downstream portion of the net conveyor 7B.
Is washed by spraying water from the shower nozzles 48, 48.

Upper Projector 11, 11 and Lower Projector 1
The blasting material mixed water 10 projected from 2 and 12 is located at the inner bottom of the case body 4 together with the removed burrs and the like, guided to the discharge port 38 by the screw conveyor 40 of the collection and sorting device 14, and sent to the sorting device 44. The burrs are dropped and supplied, and are separated into large burrs, projectiles 8, small burrs, water or an aqueous solution 9 by the sorting device 44.

The blasting material 8 sorted by the sorting device 44 is supplied to the screw conveyor 31 of the feeding device 13 for the blasting material or the like via the supply path 45, and is fed to the screw conveyor 31.
Is supplied into the storage tank 29 for the blast material or the like. The water or aqueous solution 9 is supplied via a hose 36 to a pump 35 of a water supply device 37 of the supply device 13 for projectiles and the like, and is supplied to a storage tank 29 for projectiles and the like by driving the pump 35.

The blasted product 5 that has been washed with water and discharged to the drying device 17 is transferred on the drying net conveyor 16, and air or hot air is blown from the upper and lower blower nozzles 56, 56 during the transfer of the drying net conveyor 16. It is dried and discharged.

[0023]

FIG. 10 to FIG.
Hereinafter, different embodiments of the present invention will be described. In the description of the different embodiments of the present invention, the same components as those of the first embodiment of the present invention are denoted by the same reference numerals, and duplicate description will be omitted.

The second embodiment of the present invention shown in FIGS. 10 to 12 is mainly different from the first embodiment of the present invention in that a stirrer or a vibration In the embodiment of the present invention, the supply device 13A for projectile material and the like configured as described above is provided in that the supply device 13A for projectile material and the like which is capable of stirring the projectile material 8 by attaching the vibrator 58 is used. With the shot blasting apparatus 1A configured using the same, the same operation and effect as those of the first embodiment of the present invention can be obtained.

The third embodiment of the present invention shown in FIGS. 13 to 15 is mainly different from the first embodiment of the present invention in that one net conveyor 7 is provided in a case body 4. At the point of installation, the shot blasting apparatus 1B configured in this way also has a blast product 5 for treating only the surface.
Can be used for

[0026]

As apparent from the above description, the following effects can be obtained in the present invention.

(1) A case body, a net conveyor provided in the case body so that a blasted product put in from an input port at one end of the case body can be discharged from a discharge port at the other end, and this net A projector, which is provided at an upstream portion of a conveyor and projects water in which a blasting material is mixed with a blasted product transferred by the net conveyor, and a blasting material which supplies water in which the blasting material is mixed to the projector. And the like, and a collecting and sorting device that collects and sorts the blasting material and the like provided at the lower position of the net conveyor, and collects and sorts the blasting material to the feeding device. Deburring of a die-cast molded product such as aluminum or paint removal such as a coating jig can be removed by projecting water mixed with a shot material. Therefore, the removed burrs and the like are in a state where water is attached, and it is possible to reliably prevent an explosion accident due to dust such as burrs as in the related art. Therefore, the work can be easily and safely performed.

(2) According to the above (1), the blast material and water can be circulated and used. Therefore, it can be used economically.

(3) According to the above (1), since the burr and the paint are removed by projecting the water mixed with the projectile, the work can be performed in a clean working environment without scattering of dust. Therefore, installation in a clean room, which has been impossible in the past, can be made possible.

(4) Claims 2 and 3 also have the above (1) to (3).
The same effect as described above can be obtained, and the blasted product from which burrs and the like have been removed can be washed with water or dried.

[Brief description of the drawings]

FIG. 1 is a front view of a first embodiment of the present invention.

FIG. 2 is a side view of the first embodiment of the present invention.

FIG. 3 is a sectional view taken along line 3-3 in FIG. 1;

FIG. 4 is an explanatory diagram of the net conveyor according to the first embodiment of the present invention.

FIG. 5 is an explanatory diagram of the projector according to the first embodiment of the present invention.

FIG. 6 is an explanatory diagram of a supply device of a blast material and the like according to the first embodiment of the present invention.

FIG. 7 is an explanatory diagram of a collection and sorting device according to the first embodiment of the present invention.

FIG. 8 is an explanatory diagram of a water cleaning device according to the first embodiment of the present invention.

FIG. 9 is an explanatory diagram of a drying device according to the first embodiment of the present invention.

FIG. 10 is a front view of a second embodiment of the present invention.

FIG. 11 is a side view of the second embodiment of the present invention.

FIG. 12 is a sectional view taken along the line 12-12 in FIG. 10;

FIG. 13 is a front view of a third embodiment of the present invention.

FIG. 14 is a side view of the third embodiment of the present invention.

FIG. 15 is a sectional view taken along the line 15-15 in FIG. 13;

[Explanation of symbols]

1, 1A, 1B: shot blast device, 2: input port,
3: outlet, 4: case,
5: Blast product, 6: Clearance, 7, 7A, 7B: Net conveyor, 8: Projection material, 9: Water or aqueous solution, 10: Projection material mixed water, 11: Top projector, 1
2: Lower projector, 13, 13A: Supply device for blasting material, etc., 14: Collection and sorting device, 15: Water washing device, 1
6: drying net conveyor, 17: drying device,
18: case body, 19: support, 20:
Exhaust tube, 21, 21A, 21B: Net conveyor body, 22: Motor, 23: Transmission means, 24:
Net conveyor drive device, 25: impeller,
26: cover body, 27: motor, 28: suction nozzle, 29: storage tank for blast material, 30: driving device, 31: screw conveyor, 32: distributor, 33: suction tube, 34: bucket conveyor, 35 : Pump, 36: hose, 37: water supply device, 38: outlet, 39:
Drive device, 40: screw conveyor, 4
1: vibrator, 42, 43: vibrating sieve for sorting, 4
4: sorting device, 45: supply path, 46: hose,
47: injection port, 48: shower nozzle, 4
9: water tank, 50: shower pump, 51: hose, 52: washing water supply device, 53: shooter, 5
4: drying case body, 55: drive device, 56: blower nozzle, 57: blower, 58: vibrator.

Claims (3)

[Claims] 1. A case body, a net conveyor provided in the case body so that a blasted product put in from an input port at one end of the case body can be discharged from a discharge port at the other end, and the net conveyor. A projector provided at the upstream side of the projector for projecting water in which a blasting material is mixed with a blasted product conveyed by the net conveyor, and a projecting material for supplying water in which the blasting material is mixed to the projector A shot blasting apparatus, comprising: a supply device for collecting a blasting material and the like provided at a lower position of the net conveyor; and a collecting and sorting device for supplying the selected blasting material to the supply device. . 2. A case body and a gap through which the blasted article can be transferred into the case body so that the blasted article input from an inlet at one end of the case body can be discharged from an outlet at the other end. The blasting material was mixed with at least two net conveyors arranged in series and a blasted product transferred by the net conveyor attached to the case body above the upstream portion of the at least two net conveyors. An upper projector for projecting water and the case body at a lower position of the net conveyor for projecting water mixed with a blasting material to a blasted product transferred by the net conveyor through a gap between the at least two net conveyors. A lower projector attached, a supply device such as a projection material for supplying water in which the projection material is mixed to the lower projector and the upper projector, The projectiles and the like provided at the lower position of at least two net conveyors are collected and sorted,
A shot blasting device, comprising: a collecting and sorting device that supplies the sorted shot material to the supply device. 3. A case body and a gap through which the blasted article can be transferred into the case body so that the blasted article injected from the inlet at one end of the case body can be discharged from the outlet at the other end. The blasting material was mixed with at least two net conveyors arranged in series and a blasted product transferred by the net conveyor attached to the case body above the upstream portion of the at least two net conveyors. An upper projector for projecting water and the case body at a lower position of the net conveyor for projecting water mixed with a blasting material to a blasted product transferred by the net conveyor through a gap between the at least two net conveyors. A lower projector attached, a supply device such as a projection material for supplying water in which the projection material is mixed to the lower projector and the upper projector, The projectiles and the like provided at the lower position of at least two net conveyors are collected and sorted,
A collecting and sorting device for supplying the selected blasting material to the supply device, and a shower for jetting water to blast products transferred by the net conveyor from upper and lower portions of a downstream portion of the at least two net conveyors to perform water washing. A shot blasting device comprising: a water washing device having a nozzle; and a drying device for blowing and drying the blasted product discharged from the discharge port of the case body by a net conveyor.