CN111185855A

CN111185855A - Shot blasting machine

Info

Publication number: CN111185855A
Application number: CN202010062870.7A
Authority: CN
Inventors: 吴涌; 章丹; 冯如杰; 俞文君; 谢彩芹
Original assignee: Shaoxing Shangyu Minmin Auto Parts Co Ltd
Current assignee: Shaoxing Shangyu Minmin Auto Parts Co Ltd
Priority date: 2020-01-19
Filing date: 2020-01-19
Publication date: 2020-05-22
Anticipated expiration: 2040-01-19
Also published as: CN111185855B

Abstract

The invention discloses a shot blasting machine, which comprises a shell, a cover body arranged on the shell, a feeding hole arranged on the cover body, a shot blasting device arranged in the shell, a first guide rail arranged on the shell, a second guide rail connected to the shot blasting device, a plurality of moving devices arranged on the shot blasting device, a plurality of fixing devices respectively arranged on the plurality of moving devices, a plurality of jacking devices respectively arranged on the plurality of fixing devices, and a plurality of fixing bases respectively arranged on the plurality of fixing devices; the fixing device comprises a movable first ejector rod and an alignment component, and the jacking device comprises a movable second ejector rod and a supporting component. The invention avoids the situation that when the workpiece is subjected to the shot blasting process, the shot enters the inner part of the hole on the workpiece to cause the blockage in the hole and cause the workpiece to become a defective product.

Description

Shot blasting machine

Technical Field

The invention belongs to the field of workpiece processing, and particularly relates to a shot blasting machine.

Background

The shot blasting apparatus is generally used for surface treatment of a metal workpiece, i.e., treatment for removing an oxide layer and burrs formed on the surface, cleaning of the surface or treatment or shot blasting for finely processing a film formed on the surface. In the prior art, the condition that a shot enters the inner part of a hole on a workpiece to cause the blockage of the hole is one of main reasons of failure of shot blasting of the workpiece. In order to avoid damage to a hole in a workpiece in a shot blasting process for machining an oil tank switch, the following shot blasting machine is proposed.

Disclosure of Invention

The invention provides a shot blasting machine for preventing a workpiece from becoming a defective product due to damage to a hole of the workpiece caused by shot blasting, aiming at overcoming the defects of the prior art.

In order to achieve the purpose, the invention adopts the following technical scheme: a shot blasting machine comprises a shell, a cover body arranged on the shell, a feeding hole arranged on the cover body, a shot blasting device arranged in the shell, a first guide rail arranged on the shell, a second guide rail connected to the shot blasting device, a plurality of moving devices arranged on the shot blasting device, a plurality of fixing devices respectively arranged on the plurality of moving devices, a plurality of jacking devices respectively arranged on the plurality of fixing devices, and a plurality of fixing bases respectively arranged on the plurality of fixing devices; the fixing device comprises a movable first ejector rod and an alignment component, and the jacking device comprises a movable second ejector rod and a supporting component.

According to the shot blasting machine, through the arrangement of the first ejector rod and the second ejector rod, when a workpiece is placed on the fixed base by a worker, the first ejector rod is matched with the second ejector rod to block two holes in two sides of the workpiece, so that when the workpiece is subjected to shot blasting processing, the pills cannot be sprayed into the holes in two sides of the workpiece, the pills are prevented from being blocked in the holes in the two sides of the workpiece due to the fact that the pills enter the holes in the two sides of the workpiece, the situation that the workpiece is damaged into defective products due to the fact that the pills block the holes in the workpiece is further avoided, and the yield of the workpiece in the shot blasting process is increased.

The alignment part comprises a first driving piece, a first telescopic rod arranged on the first driving piece, a second driving piece arranged on the first telescopic rod, a second telescopic rod sleeved on the first ejector rod, a first rotating cover plate group arranged on the first ejector rod and a second rotating cover plate group arranged on the first ejector rod; a moving groove is formed at the joint of the second telescopic rod and the first ejector rod, and one end of the second telescopic rod is fixedly connected to the second driving piece; the first rotating cover plate group comprises two first fixing blocks arranged on the first ejector rod and two first rotating cover plates which are rotatably arranged on the first fixing blocks respectively; one end of the first ejector rod is fixedly connected to the second driving piece, and the second rotating cover plate group comprises two second fixed blocks arranged on the first ejector rod and two second rotating cover plates which are rotatably arranged on the second fixed blocks respectively; the first rotating cover plate and the second rotating cover plate are both arranged in an arc shape, the arc radius of the second rotating cover plate is larger than that of the second rotating cover plate, the arc length of the second rotating cover plate is larger than that of the first rotating cover plate, and one end of the first ejector rod is arranged in a semicircular shape; a torsion spring is arranged in the first fixing block, one end of the torsion spring is connected to the first fixing block, and the other end of the torsion spring is connected to the first rotating cover plate; a torsional spring is arranged in the second fixed block, one end of the torsional spring is connected to the second fixed block, and the other end of the torsional spring is connected to the second rotating cover plate; after a workpiece is placed on the fixed base by a worker, the first telescopic rod is extended through the driving of the first driving piece, the second driving piece is further driven to move, the first ejector rod is driven to move towards the workpiece, the first ejector rod is pushed to the threaded hole at one end of the workpiece, the first ejector rod is guided into the hole through the semicircular arrangement at one end of the first ejector rod and is tightly pushed by being matched with the second ejector rod, the accuracy of the position of the workpiece is guaranteed, and the uniformity of shot blasting is improved; after the first ejector rod and the second ejector rod straighten the workpiece, the second driving piece drives the second telescopic rod to extend, so that one end of the second telescopic rod is in contact with the first rotating cover plate group and the second rotating cover plate group, and under the action of continuous extension of the second telescopic rod, the two first rotating cover plates and the two second rotating cover plates are covered outside the threaded hole at one end of the workpiece; the arc length of rotating the apron through the second is greater than the arc length of first rotation apron to rotate the apron group with the second and set up in the position department that is closer to second telescopic link one side for first rotation apron group, make the second rotate the apron when the lid fits the hole outside, can close partly first rotation apron simultaneously, make first rotation apron cooperation second rotate the apron and live the outside parcel of screw hole of work piece, avoid the lid to close the department and appear the gap, and then avoided the lid to close the department and lead to the condition that the pill body passes through the gap access hole inside because the gap, the defective index when having reduced the work piece peening.

The alignment part also comprises a plurality of limiting blocks arranged at one end of the second telescopic rod and a plurality of limiting grooves respectively arranged on the first rotating cover plate and the second rotating cover plate; the limiting blocks and the limiting grooves are correspondingly arranged, one end of each limiting block is arranged in a round angle, and one end of each limiting groove is arranged in a round angle; through the matching arrangement of the limiting block and the limiting groove, when the first rotating cover plate and the second rotating cover plate are covered outside the threaded hole, the first rotating cover plate and the second rotating cover plate can be limited and fixed through the matching of the limiting block and the limiting groove, the covering positions of the first rotating cover plate and the second rotating cover plate are ensured, and the situation that the covering is not tight enough due to inaccurate covering positions is avoided; meanwhile, due to the matching of the limiting blocks and the limiting grooves, the rotating positions of the first rotating cover plate and the second rotating cover plate are not influenced by shot blasting, the abrasion of the shot blasting to the rotating positions is avoided, and the maintenance cost of equipment is reduced; through the setting of fillet on stopper and the spacing groove for the stopper gets into the spacing inslot more easily, has guaranteed that the dead condition of card can not appear in the cooperation of stopper and spacing groove.

The first rotating cover plate is provided with a first elastic piece, and the second rotating cover plate is provided with a second elastic piece; the first elastic piece and the second elastic piece are both arranged in an arc shape, and the arc inner diameters of the first elastic piece and the second elastic piece are the same; through the arrangement of the first elastic piece and the second elastic piece, the outer part of the threaded hole of the workpiece can be wrapped by the elastic pieces, so that the abrasion of the contact part of the workpiece and the fixing device is avoided, meanwhile, the friction force of the fixing device on the fixing part of the workpiece is ensured, the rotation of the workpiece caused by insufficient friction force of the fixing part during shot blasting is avoided, and further, the condition that shot blasting is not uniform enough due to the rotation of the workpiece is avoided; simultaneously through the setting of first elastic component and second elastic component for first rotation apron and second rotate the apron and can be adapted to the hole external diameter that changes in certain extent, avoid because the unable condition of pressing from both sides tight work piece of fixing device that leads to of the error in the certain extent that produces when the work piece is cast.

The fixed base comprises a fixed base connected to the fixing device, a movable base arranged on the fixed base, a third elastic piece used for connecting the fixed base and the movable base, and a fourth elastic piece arranged on the movable base; the movable seat is movably arranged on the fixed seat, and two discs are arranged on two sides of the fixed seat; through the arrangement of the movable seat and the two circular discs, one surface of one side of the workpiece, which contains the plurality of holes, can be shielded, so that the phenomenon that the workpiece is damaged due to the fact that the pills enter the holes is avoided; through the arrangement of the fourth elastic piece, the fixed base is adaptive to the outer diameter of the hole which changes within a certain range, and the situation that the workpiece cannot be placed on the fixed base due to the error within the certain range generated during workpiece casting is avoided; through the setting of third elastic component for the work piece receives the ascending power in three direction under first ejector pin, second ejector pin and unable adjustment base's cooperation, avoids the work piece to appear rocking when processing, and then avoids the work piece because rock the inhomogeneous condition of peening that appears.

The supporting part comprises a third telescopic rod connected to the fixing device, a third driving piece arranged at one end of the third telescopic rod, and a plurality of top plates arranged on the second ejector rod; one end of the second ejector rod is arranged in a semicircular shape, the joints of the plurality of top plates and the second ejector rod are rotatably connected, the plurality of top plates are arranged in an arc shape, and the second ejector rod is fixedly connected to the third telescopic rod; through the arrangement of the top plates, when the second ejector rod fixes the other side hole of the workpiece, the opening of the hole is sealed by the top plates, so that the workpiece is prevented from being damaged due to the fact that the pill enters the hole; meanwhile, the top plates are matched with the arc-shaped arrangement of the top plates, and the top plates can be closed to form a circular table when being turned outwards, so that the top plates are suitable for holes with different apertures when working, and the condition that the workpiece cannot be fixed by the jacking device due to errors in a certain range generated during workpiece casting is avoided; meanwhile, when the top plate seals the opening of the hole, the contact area between the top plate and the outside of the hole is reduced, and the shot blasting effect is improved; meanwhile, the top plates are rotatably connected to the second ejector rod, so that part of the balls clamped between the top plates and the second ejector rod in the shot blasting process cannot remain at the crack for a long time, the deformation of the top plates caused by the long-time residue of the balls is avoided, and the condition that the sealing of the top plates and workpieces is incomplete caused by the deformation of the balls is further avoided.

The moving device comprises a moving block, a fourth driving part arranged on the moving block, and a transmission shaft arranged on the fourth driving part and used for connecting the fourth driving part with the fixing device; the shot blasting device comprises a plurality of nozzles arranged corresponding to the plurality of moving devices, and a rotating disc for connecting the shell and the plurality of nozzles; the rotating disc and the shell are in rotatable connection; the transmission shaft is driven to rotate through the fourth driving piece, and then the fixing device is driven and the jacking device arranged on the fixing device is driven to rotate, so that the workpiece is driven by the fourth driving piece to rotate, uniform processing of the workpiece on each surface during shot blasting is guaranteed, and the shot blasting effect is improved.

The moving device further comprises a first gear arranged on the transmission shaft, a connecting shaft arranged on the moving block, a rotary disc arranged on the connecting shaft, a shielding disc arranged on the connecting disc, a second gear sleeved on the connecting shaft, a first gear tooth arranged on the shell and a connecting block arranged on the moving block and used for connecting a first guide rail and a second guide rail; the first gear and the second gear are arranged in a matched mode, the second gear and the first gear are arranged in a matched mode, the joint of the second gear and the connecting shaft is arranged in a rotatable mode, the connecting block can move on the first guide rail and the second guide rail, one end of the connecting block is fixedly connected to the rotating disc, the upper portion of the rotating disc is arranged in an inclined mode, and the upper portion of the shielding disc is arranged in an inclined mode; when the first gear is driven by the transmission shaft, the second gear is driven to rotate, the moving block is driven to rotate on the first guide rail and the second guide rail through the matching of the second gear and the first gear teeth, and meanwhile, through the arrangement of the connecting block, the moving block drives the rotating disc and the plurality of nozzles on the rotating disc to rotate, so that the single nozzle always performs shot blasting on a single workpiece, the shot blasting time is prolonged, and the shot blasting accuracy of the workpiece is ensured; the pill bodies can fall down along the inclined plane when falling on the upper part through the rotary disc and the shielding disc which are arranged in an inclined way, so that the pill bodies are prevented from being left on the rotary disc; the shielding plate is used, so that the condition that the pill body enters the second gear is avoided, the second gear is prevented from being damaged due to the entering of the pill body, and the equipment maintenance cost is reduced.

The lower part of the first guide rail is provided with an inclined plane, and the second guide rail is fixedly connected to the shell; through the setting of first guide rail lower part inclined plane for the pellet can not remain inside first guide rail, and then avoids first guide rail because the first guide rail that the residue of pellet leads to the condition that the jam appears.

The shell comprises a first rotating groove, a second rotating groove arranged on the cover body, a baffle plate arranged on the rotating disc and connected to the first rotating groove and the second rotating groove in a cutting way, and a recovery cavity arranged at the lower part of the shot blasting device; through the arrangement of the baffle, under the condition that workpieces are loaded and unloaded, shot blasting cannot be conducted to the outside of the shot spraying device, waste of the shots is reduced, and the injury of the shots to workers who carry out loading and unloading is avoided.

In summary, the invention has the following advantages: the damage of shot blasting to the holes of the workpiece is avoided, and the workpiece is prevented from becoming a defective product.

Drawings

FIG. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a front view of the present invention.

FIG. 3 is a cross-sectional view taken along line A-A of FIG. 2 in accordance with the present invention.

Fig. 4 is a partial enlarged view of the invention at a in fig. 3.

Fig. 5 is a partial enlarged view of the invention at B in fig. 3.

Fig. 6 is a partial enlarged view of the invention at C in fig. 3.

Fig. 7 is a partial enlarged view of the invention at D in fig. 3.

Fig. 8 is a schematic structural diagram of a mobile device according to the present invention.

Fig. 9 is a schematic structural view of the fixing device of the present invention.

Fig. 10 is a front view of the fixation device of the present invention.

Fig. 11 is a cross-sectional view taken along line a-a of fig. 10 in accordance with the present invention.

Fig. 12 is a partial enlarged view of the invention at a in fig. 11.

Fig. 13 is a partial enlarged view of the invention at B in fig. 11.

Fig. 14 is an enlarged view of a portion of the invention at C in fig. 11.

Fig. 15 is an enlarged view of a portion of the invention at D in fig. 11.

Fig. 16 is an enlarged view of a portion of fig. 15 in accordance with the present invention.

Fig. 17 is a schematic structural view of an aligning member according to the present invention.

Fig. 18 is a front view of the aligning member of the present invention.

Fig. 19 is a cross-sectional view taken along line a-a of fig. 18 in accordance with the present invention.

FIG. 20 is a schematic view showing the structure of a shot-blasting machine according to the present invention.

Fig. 21 is a first structural schematic diagram of a tank switch processed by the invention.

Fig. 22 is a second structural schematic diagram of the oil tank switch processed by the invention.

Detailed Description

In order to make the technical solutions of the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention.

As shown in fig. 1 to 22, a shot-blasting machine comprises a housing 1, a cover 2 disposed on the housing, a feeding port 21 disposed on the cover, a shot-blasting device 3 disposed in the housing, a first guide rail 11 disposed on the housing, a second guide rail 12 connected to the shot-blasting device, a plurality of moving devices 4 disposed on the shot-blasting device, a plurality of fixing devices 5 disposed on the moving devices, a plurality of tightening devices 6 disposed on the fixing devices, and a plurality of fixing bases 7 disposed on the fixing devices; the fixing device 5 comprises a movable first push rod 51 and an alignment part 52, and the jacking device 6 comprises a movable second push rod 61 and a support part 62;

the alignment component 52 comprises a first driving member 521, a first telescopic rod 522, a second driving member 523, a second telescopic rod 524, a first rotating cover plate group 525, a second rotating cover plate group 526, a plurality of limit blocks 53 and a plurality of limit grooves 54; the first telescopic rod 522 is arranged on the first driving piece, the second driving piece 523 is arranged on the first telescopic rod, the second telescopic rod 524 is sleeved on the first ejector rod, the first rotating cover plate group 525 is arranged on the first ejector rod, and the second rotating cover plate group 526 is arranged on the first ejector rod; a moving groove 511 is formed at the joint of the second telescopic rod 524 and the first mandril 51, and one end of the second telescopic rod 524 is fixedly connected to the second driving piece 523; one end of the first push rod 51 is fixedly connected to the second driving member 523, and the first rotating cover plate set 525 includes two first fixed blocks 527 arranged on the first push rod 51 and two first rotating cover plates 528 rotatably arranged on the first fixed blocks respectively; the second rotating cover plate group 526 comprises two second fixed blocks 529 arranged on the first mandril 51 and two second rotating cover plates 520 rotatably arranged on the second fixed blocks respectively; the first rotating cover plate and the second rotating cover plate are both arranged in an arc shape, the arc radius of the second rotating cover plate is larger than that of the second rotating cover plate, the arc length of the second rotating cover plate is larger than that of the first rotating cover plate, and one end of the first ejector rod is arranged in a semicircular shape; a torsion spring is arranged in the first fixing block, one end of the torsion spring is connected to the first fixing block, and the other end of the torsion spring is connected to the first rotating cover plate; the first driving piece is an air cylinder, the first telescopic rod is an air rod controlled by the air cylinder, the second driving piece is an air cylinder, and the second driving piece is an air rod controlled by the air cylinder. A plurality of limiting blocks 53 are arranged at one end of the second telescopic rod 524, and a plurality of limiting grooves 54 are respectively arranged on the first rotating cover plate and the second rotating cover plate; the plurality of limiting blocks and the plurality of limiting grooves are correspondingly arranged, one end of each limiting block is arranged in a circular bead mode, and one end of each limiting groove is arranged in a circular bead mode.

The first rotating cover plate 528 is provided with a first elastic element 55, and the second rotating cover plate 520 is provided with a second elastic element 56; the first elastic piece and the second elastic piece are both arranged in an arc shape, and the arc inner diameters of the first elastic piece and the second elastic piece are the same; the first elastic piece is made of rubber, and the second elastic piece is made of rubber.

The fixed base 7 comprises a fixed base 71 connected to the fixing device, a movable base 72 arranged on the fixed base, a third elastic member 73 used for connecting the fixed base and the movable base, and a fourth elastic member 74 arranged on the movable base; the movable seat is movably arranged on the fixed seat, and two discs 75 are arranged on two sides of the fixed seat; the third elastic piece is a spring, and the fourth elastic piece is rubber.

The supporting component 62 comprises a third telescopic rod 621, a third driving component 622 and a plurality of top plates 623; the third telescopic rod 621 is connected to the fixing device 5, the third driving member 622 is disposed at one end of the third telescopic rod, and the plurality of top plates 623 are disposed on the second ejector rod; one end of the second ejector rod 61 is semicircular, the joints of the plurality of top plates 623 and the second ejector rod 61 are rotatably connected, the plurality of top plates 623 are arc-shaped, and the second ejector rod 61 is fixedly connected to the third telescopic rod 621; the third driving piece is an air cylinder, the third telescopic rod is an air rod controlled by the air cylinder, a torsional spring is arranged at the joint of the top plate and the second ejector rod, one end of the torsional spring is connected to the top plate, and the other end of the torsional spring is connected to the second ejector rod.

The moving device 4 comprises a moving block 41, a fourth driving piece 42, a transmission shaft 43, a first gear 44, a connecting shaft 45, a rotating disc 46, a shielding disc 47, a second gear 48, a first gear tooth 49 and a connecting block 40; the fourth driving part 42 is arranged on the moving block, and the transmission shaft 43 is arranged on the fourth driving part and used for connecting the fourth driving part with the fixing device; the shot-blasting machine 3 comprises a plurality of nozzles 31 provided corresponding to the plurality of moving devices 4, a rotating disk 32 for connecting the casing 1 and the plurality of nozzles 31; the rotating disc 32 and the shell 1 are rotatably connected; the fourth driving part is a motor, and the opening and closing of the nozzle are controlled by a numerical control system. The first gear 44 is arranged on the transmission shaft 43, the connecting shaft 45 is arranged on the moving block, the rotary disc 46 is arranged on the connecting shaft, the shielding disc 47 is arranged on the connecting disc, the second gear 48 is sleeved on the connecting shaft, the first gear teeth 49 are arranged on the shell, and the connecting block 40 is arranged on the moving block and used for connecting the first guide rail and the second guide rail; first gear 44 and the cooperation of second gear 48 set up, second gear 48 and the cooperation of first teeth of a cogwheel 49 set up, second gear 48 is rotatable setting with connecting axle 45 junction, connecting block 40 can move on first guide rail 11 and second guide rail 12, connecting block 40's one end link firmly in on the rolling disc 32, carousel 46 upper portion is the slope setting, it is the slope setting to shelter from dish 47 upper portion.

The lower part of the first guide rail 11 is provided with an inclined surface 111, and the second guide rail 12 is fixedly connected to the housing 1.

The shell 1 comprises a first rotating groove 13, a second rotating groove 14 arranged on the cover body, a baffle plate 15 arranged on the rotating disc and connected to the first rotating groove and the second rotating groove in a cutting way, and a recovery cavity 16 arranged at the lower part of the shot blasting device; the recycling cavity is used for collecting the pellets and helping the follow-up shot blasting processing.

The specific working principle is as follows: the equipment is used for processing a specific workpiece 9, the workpiece is a mailbox switch, the equipment is used for shot blasting before the workpiece is processed into a threaded hole, and the threaded hole on the workpiece is processed after shot blasting; firstly, starting a numerical control system for controlling the equipment, putting a workpiece into the shell 1 from the feed inlet 21 by a worker, putting the workpiece 9 on the fixed seat 71, and simultaneously penetrating the first ejector rod 51 and the second ejector rod 61 into holes at two sides of the workpiece to fix the workpiece 9; the threaded hole of the workpiece 9 is wrapped by the alignment part 52, and the other side hole of the workpiece 9 is blocked by the matching support part 62; after the workpiece 9 is fixed, the moving device 4 is started to drive the workpiece 9 to move towards the inside of the equipment, when the workpiece 9 leaves the feed port 21 and the baffle 15 blocks the communication position between the inside of the equipment and the feed port 21, the nozzle 31 starts to work to shot the workpiece 9, the nozzle 31 is matched with the fixing device 5 driven by the fourth driving part 42 when working, and then the jacking device 6 and the fixing base 7 are driven to rotate, so that the whole workpiece 9 starts to rotate, the nozzle 31 always rotates along with the moving device 4, the shot blasting time is ensured, and the outer surface of the workpiece is uniformly sprayed by matching with the rotation of the workpiece 9; during the shot blasting process, the shot blasting treatment on the workpiece 9 is collected by the recycling cavity 16 and is continuously used in the subsequent shot blasting treatment; and after the shot blasting of the workpiece in the equipment is finished, the workpiece returns to the feed inlet 21 again, the first ejector rod 51 and the second ejector rod 61 are reset to release the workpiece 9, the worker takes the workpiece 9 away from the fixed base 7, places the next workpiece to be machined on the fixed base 7, and continues the shot blasting operation on the workpiece.

It is to be understood that the described embodiments are merely a few embodiments of the invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Claims

1. A shot blasting machine comprises a shell (1), a cover body (2) arranged on the shell, a feeding hole (21) arranged on the cover body, a shot blasting device (3) arranged in the shell, a first guide rail (11) arranged on the shell, a second guide rail (12) connected to the shot blasting device, a plurality of moving devices (4) arranged on the shot blasting device, a plurality of fixing devices (5) respectively arranged on the moving devices, a plurality of jacking devices (6) respectively arranged on the fixing devices, and a plurality of fixing bases (7) respectively arranged on the fixing devices; the method is characterized in that: the fixing device (5) comprises a movable first ejector rod (51) and an alignment part (52), and the jacking device (6) comprises a movable second ejector rod (61) and a supporting part (62).

2. The alloy smelting furnace according to claim 1, characterized by: the alignment component (52) comprises a first driving piece (521), a first telescopic rod (522) arranged on the first driving piece, a second driving piece (523) arranged on the first telescopic rod, a second telescopic rod (524) sleeved on the first ejector rod, a first rotating cover plate group (525) arranged on the first ejector rod, and a second rotating cover plate group (526) arranged on the first ejector rod; a moving groove (511) is formed in the joint of the second telescopic rod (524) and the first ejector rod (51), and one end of the second telescopic rod (524) is fixedly connected to the second driving piece (523); one end of the first ejector rod (51) is fixedly connected to the second driving piece (523), and the first rotating cover plate group (525) comprises two first fixed blocks (527) arranged on the first ejector rod (51) and two first rotating cover plates (528) which are rotatably arranged on the first fixed blocks respectively; the second rotating cover plate group (526) comprises two second fixed blocks (529) arranged on the first ejector rod (51) and two second rotating cover plates (520) which are rotatably arranged on the second fixed blocks respectively; the first rotating cover plate and the second rotating cover plate are both arranged in an arc shape, the arc radius of the second rotating cover plate is larger than that of the second rotating cover plate, the arc length of the second rotating cover plate is larger than that of the first rotating cover plate, and one end of the first ejector rod is arranged in a semicircular shape; a torsion spring is arranged in the first fixing block, one end of the torsion spring is connected to the first fixing block, and the other end of the torsion spring is connected to the first rotating cover plate; and a torsion spring is arranged in the second fixing block, one end of the torsion spring is connected to the second fixing block, and the other end of the torsion spring is connected to the second rotating cover plate.

3. The alloy smelting furnace according to claim 2, characterized by: the alignment component (52) further comprises a plurality of limiting blocks (53) arranged at one end of the second telescopic rod (524), and a plurality of limiting grooves (54) respectively arranged on the first rotating cover plate and the second rotating cover plate; the plurality of limiting blocks and the plurality of limiting grooves are correspondingly arranged, one end of each limiting block is arranged in a circular bead mode, and one end of each limiting groove is arranged in a circular bead mode.

4. The alloy smelting furnace according to claim 2, characterized by: a first elastic piece (55) is arranged on the first rotating cover plate (528), and a second elastic piece (56) is arranged on the second rotating cover plate (520); the first elastic piece and the second elastic piece are both arc-shaped, and the arc inner diameters of the first elastic piece and the second elastic piece are the same.

5. The alloy smelting furnace according to claim 1, characterized by: the fixed base (7) comprises a fixed base (71) connected to the fixing device, a movable base (72) arranged on the fixed base, a third elastic piece (73) used for connecting the fixed base and the movable base, and a fourth elastic piece (74) arranged on the movable base; the movable seat is movably arranged on the fixed seat, and two discs (75) are arranged on two sides of the fixed seat.

6. The alloy smelting furnace according to claim 1, characterized by: the supporting component (62) comprises a third telescopic rod (621) connected to the fixing device (5), a third driving piece (622) arranged at one end of the third telescopic rod, and a plurality of top plates (623) arranged on the second ejector rod; one end of the second ejector rod (61) is arranged in a semicircular shape, the joints of the top plates (623) and the second ejector rod (61) are rotatably connected, the top plates (623) are arranged in a circular arc shape, and the second ejector rod (61) is fixedly connected onto the third telescopic rod (621).

7. The alloy smelting furnace according to claim 1, characterized by: the moving device (4) comprises a moving block (41), a fourth driving part (42) arranged on the moving block, and a transmission shaft (43) arranged on the fourth driving part and used for connecting the fourth driving part and the fixing device; the shot blasting device (3) comprises a plurality of nozzles (31) which are arranged corresponding to the plurality of moving devices (4), and a rotating disc (32) which is used for connecting the shell (1) and the plurality of nozzles (31); the rotating disc (32) and the shell (1) are in rotatable connection.

8. The alloy smelting furnace according to claim 7, characterized by: the moving device (4) further comprises a first gear (44) arranged on a transmission shaft (43), a connecting shaft (45) arranged on the moving block, a rotary table (46) arranged on the connecting shaft, a shielding disc (47) arranged on the connecting disc, a second gear (48) sleeved on the connecting shaft, a first gear tooth (49) arranged on the shell, and a connecting block (40) arranged on the moving block and used for connecting a first guide rail and a second guide rail; first gear (44) and second gear (48) cooperation setting, second gear (48) and first teeth of a cogwheel (49) cooperation setting, second gear (48) are rotatable setting with connecting axle (45) junction, connecting block (40) can move on first guide rail (11) and second guide rail (12), the one end of connecting block (40) link firmly in on rolling disc (32), carousel (46) upper portion is the slope setting, it is the slope setting to shelter from dish (47) upper portion.

9. The alloy smelting furnace according to claim 7, characterized by: the lower part of the first guide rail (11) is provided with an inclined surface (111), and the second guide rail (12) is fixedly connected to the shell (1).

10. The alloy smelting furnace according to claim 7, characterized by: the shell (1) comprises a first rotating groove (13), a second rotating groove (14) arranged on the cover body, a baffle plate (15) arranged on the rotating disc and connected to the first rotating groove and the second rotating groove in a cutting mode, and a recycling cavity (16) arranged at the lower portion of the shot blasting device.