Summary of the invention
The purpose of this utility model is to provide a kind of suspension step-by-step movement shot-blast cleaning machine, it imposes powerful ball blast to material surface in a state of nature, remove its lip-deep rust staining, rusty scale, welding slag and oxide skin, make it to obtain to have the metal glossy surface of the uniformity of certain fineness, so that removal stress, the surface finish quality and the corrosion resistance of raising material.
For reaching above-mentioned purpose, the utility model provides a kind of suspension step-by-step movement shot-blast cleaning machine, and it comprises:
Super shot blasting cleaning chamber is equipped with many impeller heads on its outer wall;
Hang induction system, it comprises suspension hook and hanger rail, and described suspension hook is driven so that suspension hook is advanced on hanger rail by overhead chain conveyer;
Downslope, the one end is connected with the ball material outlet of super shot blasting cleaning chamber;
Following horizontal conveying worm, the one end is connected with the other end of downslope;
Bucket elevator, it has feeding mouth and discharging opening, and this feeding mouth is connected with the other end of following horizontal conveying worm;
Upslope, the one end is connected with the discharging opening of bucket elevator;
Shot-sand separator, it has the Disengagement zone and the mouth of giving a dinner for a visitor from afar, and this Disengagement zone is connected with the other end of upslope; And
Deduster, its with shot-sand separator give a dinner for a visitor from afar mouthful and super shot blasting cleaning chamber is connected.
Described suspension step-by-step movement shot-blast cleaning machine wherein, is equipped with 4 impeller heads on the outer wall of described super shot blasting cleaning chamber, each 2 tablecloth was put about described 4 impeller heads divided.
Described suspension step-by-step movement shot-blast cleaning machine, wherein, described super shot blasting cleaning chamber is to be welded by steel plate, shaped steel, the pneumatic gate of the fan of two on cleaning chamber external-open, door top dress limit switch.
Described suspension step-by-step movement shot-blast cleaning machine, wherein, described impeller head comprises: impeller, motor, shot wheel, orienting cover, blade, lead ball pipe and guard shield; Described orienting cover is fixed in the guard shield and has a window; The internal fixation of orienting cover is equipped with shot wheel, has an inlet and four windows on the described shot wheel; Describedly lead the side that the ball pipe is positioned at guard shield, and an end of leading the ball pipe is connected with this inlet of shot wheel, the other end of leading the ball pipe connects for the ball system; The opposite side of described guard shield is equipped with impeller, and a plurality of blades are installed on the described impeller, and blade is distributed in the periphery of orienting cover; Impeller is connected with the output shaft of motor, and by this impeller rotation of Motor Drive.
Described suspension step-by-step movement shot-blast cleaning machine, wherein, described impeller is connected by conjoint disk with the output shaft of motor, and seal disc also is installed between conjoint disk and the motor; The wear plate that is used to prevent ball blast excessive damage guard shield also is installed in the described guard shield, and wear plate comprises the top backplate that is positioned at the guard shield inside top, be positioned at the side guard plate of the inboard side of guard shield and be positioned at the end face protective plate of guard shield inner side end.
Described suspension step-by-step movement shot-blast cleaning machine, wherein, described bucket elevator also comprises: housing, belt, ball hopper, active roller, return idler, belt stretcher and cycloidal planetary gear speed reducer; Described housing adopts segmented steel construction welding forming, and each coupled position is equipped with the sealing offset plate; Described cycloidal planetary gear speed reducer is installed in the top of housing, and it is connected with active roller, is used to drive active roller and rotates; Described active roller and return idler lay respectively at the above and below of enclosure interior, and connect by belt; A plurality of ball hoppers in the same direction are installed on the belt, and the default at interval each other distance of described ball hopper; Described belt stretcher is installed on the return idler; The feeding mouth of described bucket elevator is positioned at the bottom of housing, and the discharging opening of bucket elevator is positioned at the top of housing.
Described suspension step-by-step movement shot-blast cleaning machine, wherein, described shot-sand separator comprises: Disengagement zone, hopper, give a dinner for a visitor from afar mouth and stream ball mouth; The part of described upslope is stretched out the Disengagement zone, on the shell of this extension of upslope charging aperture is installed, and this charging aperture is connected with the discharging opening of bucket elevator, and another part of described upslope is positioned at the Disengagement zone; A described end of giving a dinner for a visitor from afar mouth is connected with the Disengagement zone, and the transmission direction of the air port direction of the mouth of giving a dinner for a visitor from afar and upslope is perpendicular; The other end of giving a dinner for a visitor from afar mouthful is connected with deduster; The below of described Disengagement zone is connected with hopper, and 4 stream ball mouths are arranged at the hopper bottom.
Described suspension step-by-step movement shot-blast cleaning machine, wherein, described deduster comprises: pulse control valve, access door, the mouth of giving a dinner for a visitor from afar, filter cylinder, ash storage box, muffler, blower fan, dirt pocket body; Described pulse control valve and access door are positioned at a side of dirt pocket body; Blower fan is connected with the dirt pocket body by airduct, and is connected with muffler on the blower fan; Filter cylinder is positioned at the inside of dirt pocket body; The mouth of giving a dinner for a visitor from afar is positioned at the opposite side of dirt pocket body, and a described end of giving a dinner for a visitor from afar mouthful is connected with the dirt pocket body, and give a dinner for a visitor from afar mouth and the super shot blasting cleaning chamber of the other end and shot-sand separator are connected; Ash storage box is positioned at the bottom of dirt pocket body.
Described suspension step-by-step movement shot-blast cleaning machine wherein, also comprises pneumatic automatic ball material controller, and it is installed on the described stream ball mouth.
The beneficial effects of the utility model are: it can impose powerful ball blast to material surface in a state of nature, remove its lip-deep rust staining, rusty scale, welding slag and oxide skin, make it to obtain to have the metal glossy surface of the uniformity of certain fineness, so that removal stress, the surface finish quality and the corrosion resistance of raising material.Be fit to the removing surface of big-and-middle-sized batch casting, forging and rivet welding spare is strengthened, especially more suitable to the thin thin part removing surface and the reinforcement of fearness collision.
The specific embodiment
About the utility model is the application target that reaches above-mentioned and effect and the technological means that adopted, now enumerate preferable feasible embodiment, and shown in the conjunction with figs., details are as follows:
As Fig. 1, Fig. 2 and shown in Figure 3, be respectively a kind of front view, vertical view and side view that hangs the step-by-step movement shot-blast cleaning machine of the utility model.Wherein, described suspension step-by-step movement shot-blast cleaning machine mainly comprises: hang induction system 1, super shot blasting cleaning chamber 3, downslope (not shown), following horizontal conveying worm 5, upslope (not shown), bucket elevator 7, shot-sand separator 8, settler 9 and deduster 10.
Described suspension induction system 1 is used to carry processing work, and it comprises suspension hook 11 and annular hanger rail 12.Wherein, described suspension hook 11 is driven by the overhead chain conveyer (not shown), thereby control suspension hook 11 is advanced on hanger rail 12.Suspension hook 11 is taked special, wear-resistant cast iron sheath, thereby reduces the wearing and tearing of ball blast to suspension hook 11.Described suspension induction system 1 can frequency control, and can positive and negatively move stable drive.According to the cleaning effect of workpiece, can adjust the speed of induction system during use, by the adjustment of walking unhurriedly extremely at a high speed at a slow speed, with cleaning effect and the good economic that reaches high-quality.In addition, hang in the induction system and be provided with limit switch, when workpiece enters cleaning chamber arrival limit switch, impeller head begins sequential working, working time is 3-5 minute, through after the Shot Blasting, the oxide skin of surface of the work, dirt and other attachment are cleaned out, and surface treated can reach the Sa2-2.5 level.The working method of shot-blasting machine is that circulation is carried out continuously.
Again in conjunction with Fig. 4 and shown in Figure 5, many impeller heads 31 are installed on the outer wall of described super shot blasting cleaning chamber 3, be 4 impeller heads 31 in the present embodiment, described 4 impeller heads are each 2 reasonable Arrangement about 31 minutes, the outer wall of super shot blasting cleaning chamber 3 is provided with several for the hole that ball blast passes, and makes ball blast to clear up the surface of workpiece from all angles.Described impeller head 31 comprises: impeller 311, conjoint disk 312, motor 313, shot wheel 314, orienting cover 315, blade 316, lead members such as ball pipe 317, wear plate (3181,3182,3183), guard shield 319.Described orienting cover 315 is fixed in the guard shield 319, and it has a window, and can adjust the direction of this window by adjusting orienting cover 315.The internal fixation of orienting cover 315 is equipped with shot wheel 314.Have an inlet and four windows on the described shot wheel 314.Describedly lead the side that ball pipe 317 is positioned at guard shield 319, and an end of leading ball pipe 317 is connected with this inlet of shot wheel 314, the other end connects the (not shown) for the ball system, wherein, for being provided with in the ball system for the ball lock, in order to regulating the ball blast flow, and is convenient to maintenance.The opposite side of described guard shield 319 is equipped with impeller 311, and a plurality of blades 316 are installed on the described impeller 311, and blade 316 is distributed in the periphery of orienting cover 315.Impeller 311 is connected by conjoint disk 312 with the output shaft of motor 313, and drives this impeller 311 rotations by motor 313.In addition, between conjoint disk 312 and motor 313, seal disc 3121 is installed also.The wear plate that is used to prevent ball blast excessive damage guard shield 319 also is installed in described guard shield 319, and wear plate comprises the top backplate 3181 that is positioned at guard shield 319 inside top, be positioned at the side guard plate 3182 of guard shield 319 inboard sides and be positioned at the end face protective plate 3183 of guard shield 319 inner side ends.During work, bullet rolls in the shot wheel 314 by leading ball pipe 317, and preaceleration is after orienting cover 315 presets the window of direction dishes out, and blade 316 continues its acceleration, and then adjusts impelling and reach powerful strike the on the workpiece, to reach the purpose of cleaning.That described impeller head 31 has is simple in structure, easy to maintenance, advantage such as little takes up room, blade 316 does not need any anchor clamps such as screw, pin, Spring Card to fix, but blade 316 is inserted in the impeller groove (not shown) from impeller 311 centers, rotary when impeller 311, rely on the centrifugal force of blade 316 generations and the boss structure on the blade 316 to fix.
Described super shot blasting cleaning chamber 3 is to be formed by steel plate, shaped steel assembly welding.It is to carry out the sealing of workpiece cleaning usefulness, spacious operating space.The pneumatic gate of on the cleaning chamber two fan 32 external-opens increase indoor cleaning space.Described limit switch is adorned in door top, have only the gate to close after, suspension hook 11 rotations begin to start impeller head 31.Be provided with the wear resistant cast iron steel plate in the super shot blasting cleaning chamber 3, avoid wearing and tearing, prolong chamber body service life more than tens of times with protection chamber body wall plate; Can utilize simultaneously the reflection function of bullet, the strike surface of the work that remains valid improves cleaning quality and cleaning efficiency, on cleaning taper collection ball bucket net is housed, and to intercept foreign material, the protection conveying worm is convenient to maintenance personal's maintenance.Shot blast room body inner casing adopts wear-resisting bag casting nut to hide and bolt, and the protection screw is not damaged, and disassembling, assembling and replacing is convenient.In addition, fly out, be provided with protector in the super shot blasting cleaning chamber 3 for preventing bullet.
Described horizontal conveying worm 5 down is made up of mandrel, helical blade, end axle, end plate, rolling bearing units, dust guard, cycloidal planetary gear speed reducer and various securing member.Because the structure of conveying worm herein is a common practise, so repeat no more.The ball material outlet of described super shot blasting cleaning chamber 3 is connected with following horizontal conveying worm 5 with downslope 4 successively.Wherein, the ball material through impeller head 31 enters into bucket elevator 7 by the transportation of downslope 4 and following horizontal conveying worm 5 successively.
Again as shown in Figure 6 and Figure 7, described bucket elevator 7 comprises: housing 71, belt 72, ball hopper 73, active roller 74, return idler 75, belt stretcher 76, cycloidal planetary gear speed reducer 77, feeding mouth 78 and discharging opening 79.
The housing 71 of described bucket elevator 7 adopts segmented steel construction welding forming, and each coupled position is equipped with the sealing offset plate, prevents the leakage of dust and ball material.Described cycloidal planetary gear speed reducer 77 is installed in the top of housing 71, and it is connected with active roller 74, is used to drive active roller 74 and rotates.Described active roller 74 and return idler 75 lay respectively at the above and below of housing 71 inside, and connect by belt 72.A plurality of ball hoppers 73 in the same direction are installed on the belt 72, and described ball hopper 73 can be the dark bucket of cylindrical bottom, shallow bucket or pointed shape bucket, and the default at interval each other distance of described ball hopper 73.Described belt stretcher 76 is installed on the driven gear 75, to guarantee the tensioning of elevator belt appropriateness.Described feeding mouth 78 is positioned at the bottom of housing 71 and is connected with following horizontal conveying worm 5, and discharging opening 79 is positioned at the top of housing 71.
The blanking form of bucket elevator 7 adopts the centrifugal gravity formula ball that falls.The ball dirt mixture of super shot blasting cleaning chamber 3 is risen to the top of bucket elevator 7, send by discharging opening 79 again.
As Fig. 8, Fig. 9 and Figure 10, be respectively front view, vertical view and the side view of a kind of shot-sand separator of the utility model.Wherein, described shot-sand separator 8 is to adopt BE type curtain-type structure, and it mainly comprises: Disengagement zone 82, hopper 83, give a dinner for a visitor from afar mouth 84 and stream ball mouth 85.
Wherein, charging aperture on the shot-sand separator 8 87 is connected with the discharging opening 79 of bucket elevator 7 by upslope, and described pill-sand mixture enters into Disengagement zone 82 through after the conveying of upslope 6.
A described end of giving a dinner for a visitor from afar mouth 84 is connected with Disengagement zone 82, and the air port direction and the feedstock direction of the mouth 84 of giving a dinner for a visitor from afar are perpendicular.Mouthfuls 84 the quantity of giving a dinner for a visitor from afar is at least one (being two in the present embodiment).The other end of giving a dinner for a visitor from afar mouthful is connected with deduster 10 by settler 9.
The below of described Disengagement zone 82 is connected with hopper 83, and 4 stream ball mouths 85 are arranged at hopper 83 bottoms, are used for the qualified bullet of releasing pure.
In the course of work, pill-sand mixture is sent to Disengagement zone 82 uniformly through feeding upslope 6, deduster mouthfuls 84 provides wind-force to Disengagement zone 82 by giving a dinner for a visitor from afar, thereby the horizontal gas flow that forms uniform ball sand flow curtain and pass 4-5m/s carries out the ball sand separation, bullet is different by its proportion with waste material, fall into passage separately respectively, pure ball material falls into hopper 83, reuse for impeller head by opening stream ball mouth 85 releasing pure ball material, fine dust is inhaled into deduster by the mouth 84 of giving a dinner for a visitor from afar, clean gas after the purified treatment is discharged in the air, the collection that is captured of particle dust.
Described pipeline junction of giving a dinner for a visitor from afar mouth 84 and deduster also can be provided with air quantity regulator (not shown), by blast regulator is adjusted to suitable location, to obtain better ball sand separation effect.
Shot-sand separator of the present utility model utilizes gravity selection by winnowing principle, and the bullet in the stream curtain is effectively separated with burning skin fragment, broken bullet and dust, and waste material is from mouthful outflow of giving a dinner for a visitor from afar, and bullet enters hopper and circulates.
To sum up, shot-sand separator of the present utility model, good separating effect, after the separation, sand content<1% in the pure qualified bullet, qualified bullet amount<1% in the waste material, the separative efficiency of separator can reach 99%.
Described deduster 10, employing be LT-20 type filter drum type precipitator, it comprises pulse control valve 101, access door 102, give a dinner for a visitor from afar mouthfuls 103, filter cylinder 104, ash storage box 105, muffler 106, blower fan 107, dirt pocket body 108.Described pulse control valve 101 and access door 102 are positioned at a side of dirt pocket body 108.Blower fan 107 is connected with dirt pocket body 108 by airduct, and is connected with muffler 106 on the blower fan 107.Filter cylinder 104 is positioned at the inside of dirt pocket body 108.Mouthfuls 103 opposite sides that are positioned at dirt pocket body 108 of giving a dinner for a visitor from afar, described mouthfuls 103 the end of giving a dinner for a visitor from afar is connected with dirt pocket body 108, and give a dinner for a visitor from afar mouth 84 and the super shot blasting cleaning chamber 3 of the other end and shot-sand separator 8 are connected.Ash storage box 105 is positioned at the bottom of dirt pocket body 108.The LT-20 type filter drum type precipitator that sophistication is made, volume is little, efficiency of dust collection is high, efficiency of dust filtration is 99%, and installation and maintenance are convenient.Be installed in outside the factory building, need not build in addition between dedusting, the dustiness in the dust pelletizing system cleaned air passes is significantly less than dust emission standard of the same trade.Dust sucting pipeline and dust discharge pipeline are coated with antirust paint by steel plate and angle steel manufacturing in the pipeline.
Impeller head 31 dish out the bullet that is scattered successively through downslope 4 and down horizontal conveying worm 5 be delivered to bucket elevator 7, bucket elevator 7 is promoted to top with ball material and foreign material, flow to shot-sand separator 8 by upslope, after shot-sand separator 8 is handled, dust and foreign material separate with good ball material, good ball material enters hopper 83 and stores, and treats to use for impeller head 31.
Described shot-blast cleaning machine also comprises pneumatic automatic ball material controller (not shown), compressed air with air compressor is power, described pneumatic automatic ball material controller is installed in respectively on 4 stream ball mouths and by cylinder and electrically-controlled valve and realizes when rapidoprint enters and leave the ball blast district entering the control of impeller head ball materials flow amount, compact conformation, flexible movements.Abrasion-resistant stee silk gum pipe is adopted in the conveying of ball material between ball material controller and the impeller head.
In the course of the work, hanging the step-by-step movement shot-blast cleaning machine is that workpiece is hung on hanger rail, and overhead chain conveyer is fed forward workpiece, and when workpiece entered super shot blasting cleaning chamber, mobile stopping to be closed the door of super shot blasting cleaning chamber, and impeller head begins sequential working.Through after the Shot Blasting, the oxide skin of surface of the work, dirt and other attachment are cleaned out, and surface treated can reach the Sa2-2.5 level.The working method of shot-blasting machine is that continuously circulation is carried out, and after the ball blast time reached requirement, impeller head quit work automatically.
More than be illustrative to description of the present utility model; and it is nonrestrictive; those skilled in the art is understood, and can carry out many modifications, variation or equivalence to it within spirit that claim limits and scope, but they will fall in the protection domain of the present utility model all.