CN207127746U - A kind of shot blasting machine sand retracting device - Google Patents

Abstract

It the utility model is related to machining technology field.A kind of shot blasting machine sand retracting device, including recovery room housing, the top of the recovery room housing are provided with charging aperture；The recovery room lower housing portion is provided with conveying worm, and bottom grid support is provided with above the helical axis of the conveying worm；The bottom grid support includes the midfeather of some pieces of arc strips and the midfeather of some pieces of vertical bar shapes；The diaphragm plate and the midfeather, which are criss-cross arranged, forms the bottom grid support, and the size of the grid hole of the bottom grid support is 5~6*5~6mm；Supporting angle steel is welded with the middle part of the bottom grid support both sides, the bottom grid support is supported in the recovery room housing by the supporting angle steel.Shot blasting machine sand retracting device of the present utility model is advantageous to the flowing of shot and workpiece takes off extension and fallen down, and can reduce impact of the pill-sand mixture projectile to grid separator plate, increase the service life length, saves material, and recovering effect is good.

Description

A kind of shot blasting machine sand retracting device

Technical field

Machining technology field is the utility model is related to, more particularly to a kind of shot blasting machine sand retracting device.

Background technology

Ball blast technique be it is a kind of bullet is thrown to the process of surface treatment that workpiece surface reaches predetermined degree of roughness, in vehicle The fields such as manufacture widely use.Substantial amounts of waste material can be produced during ball blast technique is implemented to vehicle part, wherein one Point from vehicle in itself, such as surface of vehicle iron rust, paint and dust for coming off etc., another part comes from the bullet of ball blast The steel cuttings and diameter of surface abrasion are unsatisfactory for requiring the useless bullet of (such as below diameter 0.8mm).In addition, used in ball blast technique Bullet also fall as in these waste materials.In order that shot can be recycled, it is necessary to which the mixture of chamber body bottom is reclaimed into separation. The quality of recovery separating effect is not only directly connected to the productivity ratio of equipment and the life-span (leaf particularly in impeller head of consumable accessory Piece), it will also have influence on the dust concentration of surrounding and the surface quality of the consumption of bullet and workpiece.

Ball sand retracting device of the prior art is usually to project ball sand to beat after workpiece surface, falls into retracting device In grid separator plate, the upper plane of the grid separator plate is horizontal plane, its grid-as be welded with round steel or band steel, grid hole compared with Greatly ,-as reach 20~40mm, large granular materials are not had with iris action, while its material is generally normal carbon steel Matter, cast, easily wear, short life intolerant to shot.Although some producers place diameter 15mm white cast-iron again on grid Orifice plate, but its aperture is still more than lower part helical leaf and trough rim interval, and barriering effect is undesirable, and white cast-iron fragility is big ,- The de- extension of denier workpiece, which is fallen down, or ramming head blade is broken is easily battered down, and after battering down, white cast-iron orifice plate and blade particle enter Lower part helical, lower part helical can be caused to damage.Existing shot blasting machine sand retracting device is easy while ball blast recovery is realized Ignorance is produced in the details of workflow, and the improvement of equipment details in the course of the work often causes unexpected effect Fruit.Therefore, for drawbacks described above present in prior art, it is necessary to studied, solve defect present in prior art.

Utility model content

In order to solve the above-mentioned technical problem, the purpose of this utility model is to provide a kind of shot blasting machine sand retracting device, should Retracting device is advantageous to the flowing of shot and workpiece takes off extension and fallen down, and can reduce impact of the pill-sand mixture projectile to grid separator plate, prolong Long life is grown, and saves material, and recovering effect is good.

To reach above-mentioned purpose, technical scheme is used by the utility model：

A kind of shot blasting machine sand retracting device, including recovery room housing, the top of the recovery room housing are provided with charging Mouthful；The recovery room lower housing portion is provided with conveying worm, and bottom grid branch is provided with above the helical axis of the conveying worm Frame；The bottom grid support includes the midfeather of some pieces of arc strips and the midfeather of some pieces of vertical bar shapes；The tabula Plate and the midfeather, which are criss-cross arranged, forms the bottom grid support, the size of the grid hole of the bottom grid support For 5~6*5~6mm；It is welded with supporting angle steel in the middle part of the bottom grid support both sides, the supporting angle steel is by the bottom Grille mounting is supported in the recovery room housing.

Further, the material of the bottom grid support is steel spring plate.

Further, the conveying worm includes helical axis, motor and striker plate, and the helical axis is arranged at described return Receive in room housing and positioned at the lower section of the bottom grid support, the motor is arranged on the outside of the recovery chamber body, described The output shaft of motor is penetrated in the recovery room body and is connected with the helical axis, and the striker plate is circular or square Shape, the front portion of the helical axis pass through the middle part of the striker plate, and the striker plate is positioned close to the output shaft of the motor One end, the striker plate are used for the output shaft for stopping that ball sand enters the motor.

Further, the supporting angle steel includes two blocks of orthogonal first side plates and the second side plate, first side Plate welds with the bottom grid support；Second side plate and the bottom of the recovery chamber body are welded.

Further, separator is provided with above the charging aperture, the rear end of the recovery room housing passes through conduit and institute State separator connection；The separator is stream curtain formula shot-sand separator.

Further, the diaphragm plate and the mediastinum plate weld.

Further, one layer of rush-resisting material is smeared on the surface of the diaphragm plate, midfeather and supporting angle steel.

Due to being had the advantages that using above-mentioned technical proposal, the utility model：

1st, shot blasting machine sand retracting device recovering effect of the present utility model is good, is improved by being set in the recovery room Bottom grid separator plate afterwards, divided into the bottom grid separator plate and put conveying worm, on the one hand the bottom grid separator plate can obstruct Caused blank fragment or other coarse granule debris enter the conveying worm of bottom during ball blast, cause spiral stuck, damage Bad spiral, on the other hand extension can be taken off to workpiece during ball blast and fallen down and smashed spiral and play a protective role.By the bottom gate Dividing plate is arranged to arch bridge shape, is advantageous to the flowing of shot and the de- extension of workpiece is fallen down or the broken impact cast of ramming head blade, spring Steel plate gap is that the size of grid hole is 5~6*5~6mm, less than lower part helical to trough rim gap, spiral will not be caused stuck, The retracting device is advantageous to the flowing of shot and workpiece takes off extension and fallen down, and can reduce impact of the pill-sand mixture projectile to grid separator plate, Increase the service life length, saves material, and recovering effect is good.

2nd, the bottom grid separator plate of shot blasting machine sand retracting device of the present utility model is made of steel spring plate, intensity and resistance to Impact, anti-wear performance are stronger than common iron, service life length, need not re-lay other materials sieve tray above flase floor, drop Low production cost, suitable for promoting the use of.

Brief description of the drawings

Fig. 1 is a kind of structural representation of shot blasting machine sand retracting device of the utility model.

Fig. 2 is the structural representation of bottom grid support of the present utility model.

Fig. 3 is the structural representation of conveying worm of the present utility model.

Wherein, in accompanying drawing mark for：

1- reclaims room housing；2- charging apertures；3- conveying worms；4- bottom grid supports；5- diaphragm plates；6- midfeathers； 7- grid holes；8- supporting angle steels；9- helical axis；10- motors；11- striker plates；The side plates of 12- first；The side plates of 13- second；14- points From device.

Embodiment

Specific embodiment of the present utility model is described in detail below in conjunction with accompanying drawing.It should be appreciated that herein Described embodiment is merely to illustrate and explained the utility model, is not limited to the utility model.In this reality In new, in the case where not making opposite explanation, " inside and outside " used refers to the inside and outside of the profile of relatively each part in itself.

Fig. 1-2, a kind of shot blasting machine sand retracting device, including recovery room housing 1 are referred to, reclaims the top of room housing 1 It is provided with charging aperture 2；The top of charging aperture 2 is provided with separator 14, and separator 14 is stream curtain formula shot-sand separator.Recovery room shell The bottom of body 1 is provided with conveying worm 3, and the top of helical axis 9 of conveying worm 3 is provided with bottom grid support 4, bottom grid support 4 material is steel spring plate；Bottom grid support includes the mediastinum of the midfeather 6 and some pieces of vertical bar shapes of some pieces of arc strips Plate 6；Diaphragm plate 5 and midfeather 6, which are criss-cross arranged, forms the bottom grid support 4, the grid hole 7 of bottom grid support 4 Size be 5~6*5~6mm；The size of the present embodiment grid hole 7 is 6*6mm；Bottom grid support is welded with the middle part of both sides The bottom grid support 4 is supported in the recovery room housing 1 by supporting angle steel 8, the supporting angle steel 8.

The utility model in recovery room housing 1 by setting the bottom grid separator plate after improving, and in bottom, grid separator plate is divided into Conveying worm 3 is put, caused blank fragment or other coarse granules are miscellaneous on the one hand bottom grid separator plate can obstruct ball blast during Thing enters the conveying worm 3 of bottom, causes spiral stuck, damages spiral, on the other hand workpiece during ball blast can be taken off Extension, which is fallen down, to be smashed spiral and plays a protective role.Bottom grid separator plate is arranged to arch bridge shape, the flowing and workpiece for being advantageous to shot take off Hang and fall down or the broken impact cast of ramming head blade, the size of grid hole 7 is 5~6*5~6mm, grid hole 7 in the present embodiment Size is 6*6mm, less than lower part helical to trough rim gap, spiral will not be caused stuck, the retracting device is advantageous to the stream of shot Dynamic and workpiece takes off extension and fallen down, and can reduce impact of the pill-sand mixture projectile to grid separator plate, and increase the service life length, saves material, Recovering effect is good.

Referring to Fig. 3, conveying worm 3 includes helical axis 9, motor 10 and striker plate 11, helical axis 9 is arranged at recovery room In housing and positioned at the lower section of bottom grid support 4, motor 10 is arranged on the outside of recovery room housing 1, the output shaft of motor 10 Penetrate in recovery room housing 1 and be connected with helical axis 9, striker plate 11 is circular or square, and the front portion of helical axis 9 passes through The middle part of striker plate 11, striker plate 11 are positioned close to output shaft one end of motor 10, and striker plate 11 is used to stop that ball sand enters The output shaft of motor 10 causes rotating shaft stuck, damages motor 10.The rear end of helical axis 9 is connected by conduit with separator 14； Conveying worm 3 carries out conveying recovery to the impeller head shot projected in recovery room housing 1 and the rust bits to drop, and by dividing Ball sand and waste material are separated from device 14, can efficent use of resources.

Wherein, supporting angle steel 8 includes two blocks of orthogonal side plates 13 of first side plate 12 and second, the first side plate 12 and bottom Portion's grille mounting 4 welds；Second side plate 13 and the bottom of recovery room housing 1 are welded.In the present embodiment, the both ends of the surface of midfeather 6 Line and the second side plate 13 between angle be 35 °.8 preferable angle design of supporting angle steel, it is possible to increase diaphragm plate 5 is with indulging Stress between dividing plate 6, and make the flowing of shot smooth, the de- extension of reduction workpiece is fallen down or the broken impact cast of ramming head blade.

Wherein, the top of charging aperture 2 is provided with separator 14, and the rear end of recovery room housing 1 passes through conduit and separator 14 Connection；Separator 14 is stream curtain formula shot-sand separator.The separator 14 is used to make the ball sand of recovery further screening Separation.

Wherein, diaphragm plate 5 welds with midfeather 6.

Wherein, one layer of rush-resisting material is smeared on the surface of diaphragm plate 5, midfeather 6 and supporting angle steel 8.

The use process and operation principle of a kind of shot blasting machine sand retracting device of the utility model be：When ball blast waste material passes through After the stream curtain formula shot-sand separator for reclaiming the top of room housing 1, waste material is drained, remaining pellet enters recovery room from charging aperture 2 In impeller head in housing 1, impeller head casts ball sand on the surface to work metal, is broken by kinetic energy possessed by ball sand Iron scale that is bad or smashing work metal surface.Meanwhile caused blank fragment or other coarse granules are miscellaneous during ball blast Thing falls into the bottom gate panel both sides of arch, and ball sand passes through conveying worm after then falling into the grid hole 7 of bottom grid support 4 3 are transported in separator and further separate.

Shot blasting machine sand retracting device recovering effect of the present utility model is good, and bottom grid separator plate is made of steel spring plate, Intensity and impact resistance, anti-wear performance are stronger than common iron, service life length, and other materials sieve need not be re-layed above flase floor Orifice plate, production cost is reduced, suitable for promoting the use of.

Described above is the detailed description for the preferable possible embodiments of the utility model, but embodiment is not limited to Patent claim of the present utility model, the equal change or modification completed under the technical spirit suggested by all the utility model Change, all should belong to the utility model and cover the scope of the claims.

Claims (7)

1. a kind of shot blasting machine sand retracting device, including recovery room housing, it is characterised in that：The top of the recovery room housing is set It is equipped with charging aperture；The recovery room lower housing portion is provided with conveying worm, and bottom is provided with above the helical axis of the conveying worm Portion's grille mounting；The bottom grid support includes the diaphragm plate of some pieces of arc strips and the midfeather of some pieces of vertical bar shapes； The diaphragm plate and the midfeather, which are criss-cross arranged, forms the bottom grid support, the grid of the bottom grid support The size in hole is 5~6*5~6mm；Supporting angle steel is welded with the middle part of the bottom grid support both sides, the supporting angle steel will The bottom grid support is supported in the recovery room housing.

A kind of 2. shot blasting machine sand retracting device according to claim 1, it is characterised in that：The bottom grid support Material is steel spring plate.

A kind of 3. shot blasting machine sand retracting device according to claim 2, it is characterised in that：The conveying worm includes Helical axis, motor and striker plate, the helical axis are arranged in the recovery room housing and positioned at the bottom grid support Lower section, the motor are arranged on the outside of the recovery chamber body, the output shaft of the motor penetrate in the recovery room body and with The helical axis drive connection, the striker plate are circular or square, and the front portion of the helical axis passes through the striker plate Middle part, the striker plate are positioned close to output shaft one end of the motor, and the striker plate is used to stop described in the entrance of ball sand The output shaft of motor.

A kind of 4. shot blasting machine sand retracting device according to claim 1, it is characterised in that：The supporting angle steel includes two Orthogonal first side plate of block and the second side plate, first side plate weld with the bottom grid support；Second side Plate and the bottom of the recovery chamber body are welded.

A kind of 5. shot blasting machine sand retracting device according to claim 1, it is characterised in that：It is provided with above the charging aperture Separator, the rear end of the recovery room housing are connected by conduit with the separator；The separator is stream curtain formula Shot-sand separator.

A kind of 6. shot blasting machine sand retracting device according to claim 1, it is characterised in that：The diaphragm plate is indulged with described Dividing plate welds.

A kind of 7. shot blasting machine sand retracting device according to claim 6, it is characterised in that：The diaphragm plate, midfeather One layer of rush-resisting material is smeared with the surface of supporting angle steel.