CN2813205Y

CN2813205Y - Abrator head

Info

Publication number: CN2813205Y
Application number: CN 200520084539
Authority: CN
Inventors: 宋矿复
Original assignee: Fuguang Industry & Trade Co Ltd Qingdao
Current assignee: Fuguang Industry & Trade Co Ltd Qingdao
Priority date: 2005-06-22
Filing date: 2005-06-22
Publication date: 2006-09-06
Anticipated expiration: 2015-06-22

Abstract

The utility model relates to a shot blasting machine which comprises a shot blasting chamber, and a conveying device for driving the horizontal feed of work pieces and at least one shot blasting machine pair are arranged in the shot blasting chamber, wherein two shot blasting machines are respectively positioned at the upper and the lower parts of the conveying device, the arrangement of the upper shot blasting machine causes an included angle between the shot blasting direction of the upper shot blasting machine and the direction of the horizontal feed of the work pieces to be an acute angle, and the horizontal projection of shot blasting areas on the work pieces of the upper shot blasting machine is coincident to that of the lower shot blasting machine, and thus, the feed speed of the work pieces can be improved and the shot blasting quality and the production efficiency can be improved.

Description

Shot-blasting machine

Technical field

The utility model belongs to surface processing equipment, relates in particular to a kind of shot-blasting machine.

Background technology

Shot-blasting machine is that metal works is carried out a kind of plant equipment of surface-treated, its principle is to utilize the strength of the centrifugal force of impeller or gases at high pressure with the surface of shot-peening high velocity jet to metal works, utilize the impulsive force of shot-peening to remove rusty stain and other impurity of surface of the work, and be formed with the fine scar that is beneficial to spraying.

The existing shot-blasting machine that metallic plate or shape are carried out Shot Blasting, its structure as shown in Figure 1, 2, it comprises shot blast room 1, setting can drive the conveying device of workpiece 4 horizontal feeds in the shot blast room 1, at shot blast room 1 outer wall four impeller head groups 2 are set, they are arranged in order along workpiece 4 directions of feed, and when workpiece 4 advanced in shot blast room 1, each impeller head group 2 was successively carried out Shot Blasting to workpiece 4 surfaces.

Each impeller head group comprises that respectively two impeller heads are right, left part and the right part of two impeller heads to being separately positioned on the conveying device center line, it is relative that two

impeller head

2a, 2b wherein lay respectively at the above and below and the direction of conveying device, and the impeller head in the group is to also being oppositely arranged; The ball blast direction of all impeller heads is all vertical with workpiece 4 directions of feed; And every internally top impeller head the floor projection 3 in the ball blast zone on the workpiece 4 with below the floor projection 3 in the ball blast zone of impeller head on workpiece 4 overlap; The ball blast zone of two impeller heads that are positioned at the top is overlapping at workpiece 4 surface portions in every group.

The shot-blasting machine of this structure, because the ball blast direction of the impeller head of workpiece top is vertical with the workpiece direction of feed, therefore these impeller heads shot-peening of dishing out is understood some and is fallen the zone that is not ejected into as yet after the surface of the work reflection, after these zones advance to the ball blast zone, originally dropping on top shot-peening can influence the effect of ball blast, the speed of workpiece feeding can't improve for this reason, and sometimes has to do over again, and greatly reduces the quality of production efficiency and processing; In addition, be positioned at the same direction of workpiece (above or below) the ball blast area part of impeller head overlapping, the shot-peening that causes them to eject is interfered mutually, has changed the direction and the speed of these shot-peenings, thereby has reduced the quality of Shot Blasting, has influenced the ball blast effect.

Summary of the invention

The purpose of this utility model is to overcome above-mentioned defective, provides a kind of shot-peening can not drop on the not shot-blasting machine of ball blast regional effect ball blast effect.

For achieving the above object, the utility model comprises shot blast room, it is right that conveying device and at least one impeller head of driving the workpiece horizontal feed are set in the shot blast room, two impeller heads wherein lay respectively at the above and below of conveying device, the angle that is arranged so that its ball blast direction and workpiece direction of feed of top impeller head is an acute angle, and its floor projection in the ball blast zone on the workpiece with below the floor projection in the ball blast zone of impeller head on workpiece overlap.

The number of degrees of described angle should be at 5 degree between 85 degree, and steel plate class workpiece between 75 degree, is preferably 65 degree at 55 degree.

The ball blast direction of below impeller head is vertical with the workpiece direction of feed, and top impeller head below impeller head relatively is offset and inclination to the opposite direction of workpiece feeding.

Handle the situation of broad workpiece for needs, preferably two impeller heads are to forming an impeller head group, and be separately positioned on the left part and the right part of conveying device center line, but they stagger in the direction of workpiece feeding and make the ball blast zone of each impeller head not produce interference; In order to guarantee the ball blast quality, four such impeller head groups can be set in shot blast room, they are evenly distributed successively along the workpiece direction of feed in shot blast room.

Conveying device described in the utility model comprises some to pinching roller.

Shot-blasting machine of the present utility model, because the ball blast direction of workpiece top impeller head and the angle of workpiece direction of feed are acute angle, therefore shot-peening be ejected into workpiece surface only can be to front-reflection, promptly finally can fall the zone of Shot Blasting, thereby having avoided falling the ball blast effect that the zone that is not ejected into as yet causes as prior art descends, so just the feed speed of workpiece be can improve, thereby the quality and the production efficiency of ball blast improved; In addition because each impeller head is to staggering in the workpiece direction of feed, avoided being positioned at the same direction of workpiece (above or below) the overlapping shot-peening that causes of ball blast area part of impeller head between interfere, thereby further improved the quality of ball blast.

Description of drawings

Fig. 1 is a prior art shot-blasting machine structural representation;

Fig. 2 is an A shown in Figure 1 place enlarged diagram;

Fig. 3 is the utility model shot-blasting machine structural representation;

Fig. 4 is a B shown in Figure 3 place enlarged diagram;

Fig. 5 is that the K of Fig. 4 is to view.

The specific embodiment

The utility model structure as shown in Figure 3, comprise shot blast room 1, setting can drive the conveying device of workpiece 4 horizontal feeds in the shot blast room 1, at shot blast room 1 inwall four impeller head groups 2 are set, they are arranged in order along workpiece 4 directions of feed, when workpiece 4 advanced in shot blast room 1, each impeller head group 2 was successively carried out Shot Blasting to workpiece 4 surfaces; Each impeller head group comprises that respectively two impeller heads are right, left part and the right part of two impeller heads to being separately positioned on the conveying device center line, two impeller heads of each impeller head centering lay respectively at the above and below of conveying device, the ball blast direction of below impeller head 2b is vertical with workpiece 4 directions of feed, top impeller head 2a below impeller head 2b relatively is offset and inclination to the opposite direction of workpiece 4 feedings, make that the ball blast direction of top impeller head 2a and the angle of workpiece 4 directions of feed are 65 degree, as shown in Figure 5; And its floor projection 3 in the ball blast zone on the workpiece 4 with below the floor projection 3 in the ball blast zone of impeller head 2b on workpiece 4 overlap; Two impeller heads in each impeller head group make the ball blast zone of two impeller heads of top not produce interference to staggering in the direction of workpiece 4 feedings (among the figure shown in the arrow), the ball blast zone of two impeller heads of below does not produce interference yet, as shown in Figure 4.

Above-mentioned angle can be according to concrete operating mode design in the practice, and not necessarily 65 spend, so long as acute angle is just within protection domain of the present utility model.

Need to prove, in the above-described embodiments, the ball blast direction of the impeller head of workpiece below is still vertical with the workpiece direction of feed, but because the cause of shot-peening gravity, the bottom that the shot-peening of bounce-back is directly fallen shot blast room, can not have any impact to the ball blast effect, therefore the impeller head of workpiece below does not have necessity of inclination, but in order to make the workpiece stress balance, avoid distortion, bending etc., still need the top impeller head the floor projection in the ball blast zone on the workpiece with below the floor projection in the ball blast zone of impeller head on workpiece overlap.

In the practice; the quantity of impeller head group is flexible design as required; for the situation of only processing narrow workpiece, also can every group have only an impeller head to or whole shot blast room in have only an impeller head right, these schemes are also within protection domain of the present utility model.Impeller head shown in the drawings is an impeller type, and rotation in the direction of arrows, as adopting also being fine of spraying high-pressure gas type.

Conveying device described in the utility model comprises some to the pinching roller (not shown), with distortion and the distortion that prevents workpiece.

Claims

1. shot-blasting machine, it comprises shot blast room, it is right that conveying device and at least one impeller head of driving the workpiece horizontal feed are set in the shot blast room, two impeller heads wherein lay respectively at the above and below of conveying device, the angle that is arranged so that its ball blast direction and workpiece direction of feed that it is characterized in that the top impeller head is an acute angle, and its floor projection in the ball blast zone on the workpiece with below the floor projection in the ball blast zone of impeller head on workpiece overlap.

2. shot-blasting machine according to claim 1, the number of degrees that it is characterized in that described angle are between 5 degree are spent to 85.

3. shot-blasting machine according to claim 2, the number of degrees that it is characterized in that described angle are between 55 degree are spent to 75.

4. shot-blasting machine according to claim 3, the number of degrees that it is characterized in that described angle are 65 degree.

5. according to claim 1,2,3 or 4 described shot-blasting machines, it is characterized in that the ball blast direction of below impeller head is vertical with the workpiece direction of feed, top impeller head below impeller head relatively is offset and inclination to the opposite direction of workpiece feeding.

6. shot-blasting machine according to claim 5, it is characterized in that two impeller heads are to forming an impeller head group, and be separately positioned on the left part and the right part of conveying device center line, but they stagger in the direction of workpiece feeding and make the ball blast zone of each impeller head not produce interference.

7. shot-blasting machine according to claim 6 is characterized in that it comprises four described impeller head groups, and they are evenly distributed successively along the workpiece direction of feed in shot blast room.

8. according to claim 1 or 7 described shot-blasting machines, it is some to pinching roller to it is characterized in that described conveying device comprises.