阅读说明：本技术 一种压力容器制造方法 (Manufacturing method of pressure container ) 是由 徐杰 陈斌 谢海燕 许益综 朱淼 钱清清 楼仁杰 于 2021-07-08 设计创作，主要内容包括：本发明公开了一种压力容器制造方法,包括以下步骤：a、裁剪处理：对金属板材进行裁剪,得到板材；b、折弯处理：板材折弯成圆环结构,得到折弯板材；c、焊接处理：将折弯的板材进行焊接,得到金属圆环；d、打磨处理：金属圆环固定在打磨机上,进行打磨处理,得到环形罐体；e、对接处理：环形罐体与两侧端盖通过工具固定后进行焊接,得到压力容器；其中,d步骤中所述打磨机包括主体、升降架、夹持装置、横梁、移动块、打磨板、打磨装置；本发明在打磨时能交替金属圆环的装夹方式,从而使打磨没有死角；进一步提高了罐体的光洁度；同时在打磨内壁的时候能及时对金属粉末进行吸除,便于打磨后的清理工作；有效的提高了制作效率。(The invention discloses a method for manufacturing a pressure container, which comprises the following steps: a. cutting treatment: cutting a metal plate to obtain a plate; b. bending treatment: bending the plate into a circular ring structure to obtain a bent plate; c. welding treatment: welding the bent plate to obtain a metal ring; d. polishing treatment: fixing the metal ring on a grinding machine, and grinding to obtain an annular tank body; e. butt joint treatment: the annular tank body and the end covers on the two sides are fixed through tools and then welded to obtain a pressure container; the grinding machine in the step d comprises a main body, a lifting frame, a clamping device, a cross beam, a moving block, a grinding plate and a grinding device; the invention can alternate the clamping mode of the metal ring during polishing, thereby ensuring that polishing has no dead angle; the smoothness of the tank body is further improved; meanwhile, the metal powder can be absorbed in time when the inner wall is polished, so that the cleaning work after polishing is facilitated; the manufacturing efficiency is effectively improved.)

1. A method of manufacturing a pressure vessel, comprising: the method comprises the following steps:

a. cutting treatment: cutting a metal plate according to a specified size to obtain a plate;

b. bending treatment: b, bending the plate obtained in the step a into a circular ring structure, cutting the plate after bending, and flattening wrinkles generated on the inner surface of the plate to obtain a bent plate;

c. welding treatment: placing the bent plate into a welding fixture, and welding to obtain a metal ring;

d. polishing treatment: the metal ring is fixed on a grinding machine, and the outer wall and the inner wall are ground to obtain an annular tank body;

e. butt joint treatment: d, fixing the annular tank body in the step d and two side end covers prepared in advance through a tool, welding the connecting positions, and then processing the welding positions to obtain a pressure container;

the grinding machine in the step d comprises a main body (1), a lifting frame (11) arranged at the bottom of the main body (1), clamping devices (2) arranged at two ends of the main body (1), a cross beam (12) arranged on the main body (1), a moving block (13) arranged on the cross beam (12), a grinding plate (14) arranged on the moving block (13), and a grinding device (3) arranged at the right end of the main body (1); the clamping device (2) comprises a moving cavity (20) arranged on the side wall of the main body (1), a moving disc (21) arranged in the moving cavity (20), a first motor (22) arranged in the side wall of the main body (1), a rotating groove (23) arranged in the moving disc (21), an air pressure groove (24) arranged on the rotating groove (23), a rotating ring (25) arranged in the moving cavity (20), a piston rod (26) arranged on the rotating ring (25), a rotating disc (27) arranged on the moving disc (21), a piston block (28) arranged at the bottom of the rotating disc (27), an Archimedes spiral groove (29) arranged at the top of the rotating disc (27), three clamping blocks (290) arranged at the top end of the moving disc (21) and an exchange mechanism (4) arranged in the cross beam (12); when polishing is started, firstly, the metal ring is fixed on a lifting frame (11), and then the right end of the metal ring is clamped mainly by a clamping block (290); starting a first motor (22) positioned on the right side of the main body (1), and driving a moving disc (21) at the right end to rotate; further metal rings start to rotate; simultaneously starting the moving block (13) to drive the polishing plate (14) to polish the outer wall of the metal circular ring; at the moment, as the moving block (13) moves towards the direction, when the moving block (13) moves to the position right above the lifting frame (11), the exchange mechanism (4) is driven to start; starting a first motor (22) on the left side of the main body (1), and simultaneously enabling the exchange mechanism (4) to move a moving disk (21) on the left side of the main body (1) to the right; at the moment, the piston rod (26) moves in the air pressure groove (24), so that the air pressure in the rotating groove (23) is reduced, and the piston block (28) is driven to move; thereby driving the rotating disc (27) to start rotating, and then accelerating the three blocks (290) and clamping the left end of the metal circular ring simultaneously under the action of the Archimedes spiral groove (29); after the clamping of the clamping blocks (290) is finished, the clamping blocks (290) on the right side are released, and the moving disc (21) on the right side moves rightwards and moves into the moving cavity (2) O; at the moment, the moving block (13) moves rightwards to continue polishing; when the outer wall of the metal circular ring is polished, the polishing device (3) polishes the inner wall of the metal circular ring; and after polishing is finished, closing the equipment.

2. A method of manufacturing a pressure vessel according to claim 1, wherein: the exchange mechanism (4) comprises an air pressure cavity (41) arranged in the cross beam (12), a piston rod (42) arranged in the air pressure cavity (41), a first rack (43) arranged on the piston rod (42), a butt joint gear (44) arranged on the cross beam (12), a second rack (45) arranged on the moving block (13), a hydraulic groove (46) arranged in the main body (1), a delay assembly (5) arranged in the hydraulic groove (46), a push rod (47) arranged at the tail end of the hydraulic groove (46), a push rod spring (48) arranged on the push rod (47), a rolling ball (49) arranged on the push rod (48), and a limiting assembly (6) arranged in the cross beam (12); when the moving block (13) moves leftwards to the position right above the lifting frame (11), the second rack (43) drives the butt joint gear (44) to rotate, and then drives the piston rod (42) to move rightwards; at the moment, the moving disk (21) on the left side is moved to the left under the action of the delay assembly; thereby causing the clamp block (290) to untwist the left end of the metal ring; at the moment, the part clamped by the clamping block (290) at the left end can be ground; in a similar way, when the moving block (13) moves rightwards to be right above the lifting frame (11), the piston rod (42) moves leftwards; under the action of the delay assembly, the moving disk (21) on the left side moves to the right rapidly to clamp the metal circular ring; at the same time, the right moving plate (21) is slowly released from the clamping.

3. A method of manufacturing a pressure vessel according to claim 2, wherein: the delay assembly (5) comprises a first piston (51) arranged in the hydraulic groove (46), a piston spring (52) arranged on the first piston (51), a delay cavity (53) arranged in the first piston (51), a second piston (54) arranged at the bottom end of the air pressure cavity (41), a delay plate (55) arranged at the bottom of the second piston (54), a buckle (56) arranged on the inner wall of the hydraulic groove (46), a buckle spring (57) arranged on the buckle (56), and a release buckle (58) arranged on the inner wall of the delay cavity (53); when the second piston (54) is driven to move downwards by the air pressure in the air pressure cavity (41), the delay plate (55) props against the bottom wall of the delay cavity (43) to directly drive the first piston (51) to move downwards; then the buckle (56) is propped against the release buckle (58) so as to limit the first piston (51) in the hydraulic air groove (46); when the air pressure of the air pressure chamber (41) is reduced, the second piston (54) moves upwards, and the delay plate (55) moves in the delay chamber (53); the further delay plate (55) is abutted against the release buckle (58) to drive the buckle (56) to reset; then the first piston (51) is reset under the action of a piston spring (52); so far, the hydraulic pressure in the hydraulic tank (46) is reset to normal.

4. A method of manufacturing a pressure vessel according to claim 2, wherein: the limiting assembly (6) comprises a limiting cavity (61) arranged in the cross beam (12), a limiting groove (62) arranged on the piston rod (42), a limiting rod (63) arranged in the limiting cavity (61), a limiting spring (64) arranged on the limiting rod (63), a driving groove (65) arranged on the limiting rod (63), a driving block (66) arranged on one side of the limiting rod (63), and an inclined block (67) arranged at one end of the limiting cavity (61); when the piston rod (42) moves, the limiting rod (63) is driven to abut against the limiting groove (62) under the action of the limiting spring (64), so that the limiting rod (63) is limited; then when the moving block (13) moves right above the lifting frame (11), the moving block is abutted against the inclined block (67), so that the air pressure in the limiting cavity (61) is increased, and the driving block (66) is driven to move transversely; then the driving block (66) is abutted against the driving groove (65) to further drive the inner rod (63) to move downwards; and the piston rod (42) is reset.

5. A method of manufacturing a pressure vessel according to claim 1, wherein: the polishing device (3) comprises a telescopic rod (31) arranged in the right end of the main body (1), a polishing disc (32) arranged at the head end of the telescopic rod (31), a dust collecting cavity (33) arranged in the polishing disc (32), a dust collector (34) arranged in the dust collecting cavity (33), an inlet (35) arranged at one end of the dust collecting cavity (33), a driving cavity (350) arranged in the inlet (35), a rotating frame (36) arranged in the driving cavity (350), five fan-shaped plates (37) arranged on the inlet (35), a first circular arc rod (38) arranged on the fan-shaped plates (37), a centrifugal rod (39) arranged on the inner wall of the driving cavity (350), a second circular arc rod (390) arranged at the bottom end of the centrifugal rod (39), a universal ball (391) arranged at the top end of the centrifugal rod (39), and a circular arc frame (392) arranged on the universal ball (391), The centrifugal grinding device comprises a grinding block (393) arranged on the arc frame (392), a dust suction hole (394) arranged on the grinding block (393), a grinding spring (395) arranged on the grinding block (393), and a dust collection hole (396) arranged on the centrifugal rod (39); when the inner wall of the metal circular ring is polished, the telescopic rod (31) is started to move the polishing disc (32) in the metal circular ring; the telescopic rod (31) is embedded with the movable disc (21), so that the telescopic rod (31) starts to rotate and simultaneously drives the polishing disc (32) to start to rotate; the centrifugal rod (39) is moved outwards under the action of centrifugal force, and then the grinding block (393) is abutted against the inner wall of the metal circular ring; carrying out a grinding process with the rotation of the grinding disc (32); meanwhile, when the centrifugal rod (39) moves, the rotating frame (36) is driven to rotate under the action of the second arc rod (390); at the moment, the first arc rod (38) drives the sector plates (37) to turn over simultaneously, and the inlet (35) is opened; then, dust collection was started.

Technical Field

The invention belongs to the technical field of pressure container manufacturing, and particularly relates to a pressure container manufacturing method.

Background

The pressure container is a closed device which contains gas or liquid and bears certain pressure. The tank body of the pressure container is generally provided with end covers of which the middle parts are hollow cylindrical structures and the two ends are matched with semicircular structures, and the preparation process of the pressure container mainly comprises the steps of plate cutting, plate bending, plate welding, polishing of welding positions, connection of the tank body and the end covers at the two sides and the like; in the prior art, a clamping tool is adopted to fix one end of a tank body during polishing, and then polishing is carried out; therefore, the clamping part of the tank body cannot be polished and needs to be processed in the later period; the polishing uniformity is affected.

Disclosure of Invention

The invention provides a method for manufacturing a pressure container, aiming at overcoming the defects of the prior art.

In order to achieve the purpose, the invention adopts the following technical scheme: the method comprises the following steps:

a. cutting treatment: cutting a metal plate according to a specified size to obtain a plate;

b. bending treatment: b, bending the plate obtained in the step a into a circular ring structure, cutting the plate after bending, and flattening wrinkles generated on the inner surface of the plate to obtain a bent plate;

c. welding treatment: placing the bent plate into a welding fixture, and welding to obtain a metal ring;

d. polishing treatment: the metal ring is fixed on a grinding machine, and the outer wall and the inner wall are ground to obtain an annular tank body;

e. butt joint treatment: d, fixing the annular tank body in the step d and two side end covers prepared in advance through a tool, welding the connecting positions, and then processing the welding positions to obtain a pressure container;

the grinding machine in the step d comprises a main body, a lifting frame arranged at the bottom of the main body, clamping devices arranged at two ends of the main body, a cross beam arranged on the main body, a moving block arranged on the cross beam, a grinding plate arranged on the moving block and a grinding device arranged at the right end of the main body; the clamping device comprises a moving cavity arranged on the side wall of the main body, a moving disc arranged in the moving cavity, a first motor arranged in the side wall of the main body, a rotating groove arranged in the moving disc, an air pressure groove arranged on the rotating groove, a rotating ring arranged in the moving cavity, a piston rod arranged on the rotating ring, a rotating disc arranged on the moving disc, a piston block arranged at the bottom of the rotating disc, an Archimedes spiral groove arranged at the top of the rotating disc, three clamping blocks arranged at the top end of the moving disc and an exchange mechanism arranged in the cross beam; when polishing is started, firstly fixing the metal ring on a lifting frame, and then clamping the right end of the metal ring by using a clamping block; starting a first motor positioned on the right side of the main body, and driving a movable disc at the right end to rotate at the moment; further metal rings start to rotate; simultaneously starting the moving block to drive the polishing plate to polish the outer wall of the metal circular ring; at the moment, the exchange mechanism is driven to start when the moving block moves to the position right above the lifting frame along with the movement of the moving block; starting a first motor on the left side of the main body, and simultaneously enabling the exchange mechanism to enable the movable disc on the left side of the main body to move rightwards; at the moment, the piston rod moves in the air pressure groove, so that the air pressure in the rotary groove is reduced, and the piston block is driven to move; thereby driving the rotating disc to start rotating, and then accelerating the three blocks and clamping the left end of the metal circular ring simultaneously under the action of the Archimedes spiral groove; after the clamping of the clamping blocks is finished, the clamping blocks on the right side are released, and the moving disc on the right side moves rightwards and moves into the moving cavity O; at the moment, the moving block moves rightwards to continue polishing; when the outer wall of the metal ring is polished, the polishing device polishes the inner wall of the metal ring; and after polishing is finished, closing the equipment.

The bottom surface of the metal ring can be automatically supported along with the deformation of the metal ring when the polishing is carried out through the arrangement of the lifting frame; the metal ring is always kept to be overlapped with the axis of the movable disc; the polishing stability is improved; the outer wall of the metal ring can be polished through the arrangement of the moving block and the polishing plate; thereby improving the grinding efficiency; the movable disc can be lower than the inner wall of the main body through the arrangement of the movable cavity, so that the dead angle of the metal ring can be polished when the polishing plate is polished, and the polishing uniformity is improved; the outer wall is smoother; the moving blocks on the two sides of the main body can be linked with the moving blocks to alternately extend and retract along with the movement of the moving blocks in the polishing process through the arrangement of the moving disc, so that the moving disc can be movably matched with the moving blocks; on one hand, the clamping effect is not influenced, so that the metal ring can rotate stably during polishing, and the polishing effect is improved; on the other hand, the alternate movement of the movable disc can enable the two ends of the metal ring to be alternately clamped, so that the polishing is more comprehensive; the piston rod can rotate along with the movable disk through the arrangement of the rotating ring, and dislocation of the piston rod in the air pressure groove is avoided.

The exchange mechanism comprises an air pressure cavity arranged in the cross beam, a piston rod arranged in the air pressure cavity, a first rack arranged on the piston rod, a butt joint gear arranged on the cross beam, a second rack arranged on the moving block, a hydraulic groove arranged in the main body, a delay assembly arranged in the hydraulic groove, a push rod arranged at the tail end of the hydraulic groove, a push rod spring arranged on the push rod, a rolling ball arranged on the push rod and a limiting assembly arranged in the cross beam; when the moving block moves leftwards to the position right above the lifting frame, the second gear drives the butt joint gear to rotate, and then the piston rod is driven to move rightwards; at the moment, under the action of the delay assembly, the moving disk on the left side moves leftwards; thereby enabling the clamping block to unlock the left end of the metal circular ring; at the moment, the part clamped by the clamping block at the left end can be polished; similarly, when the moving block moves rightwards to be right above the lifting frame, the piston rod moves leftwards; under the action of the delay assembly, the moving disc on the left side moves rightwards quickly to clamp the metal circular ring; meanwhile, the moving disk on the right side is slowly released from clamping.

The piston rod can alternately inflate the air pressure cavities at the left end and the right end of the cross beam along with the movement of the moving block, so that the moving disc can alternately move; the linkage of the movement of the movable disc is improved; the arrangement of the butt joint gear realizes that the piston rod is driven to move when the moving block moves to the position right above the lifting frame, so that the dislocation of the metal ring caused by the abutting of the grinding plate when the clamping block is alternately clamped can be prevented; the polishing stability is improved; the mechanism realizes that the clamping position of the movable plate can be automatically exchanged according to the position of the grinding plate.

The delay assembly comprises a first piston arranged in the hydraulic groove, a piston spring arranged on the first piston, a delay cavity arranged in the first piston, a second piston arranged at the bottom end of the pneumatic cavity, a delay plate arranged at the bottom of the second piston, a buckle arranged on the inner wall of the hydraulic groove, a buckle spring arranged on the buckle and a release buckle arranged on the inner wall of the delay cavity; when the air pressure in the air pressure cavity drives the second piston to move downwards, the delay plate props against the bottom wall of the delay cavity to directly drive the first piston to move downwards; then the buckle abuts against the release buckle, so that the first piston is limited in the hydraulic air groove; when the air pressure of the air pressure cavity is reduced, the second piston moves upwards, and the delay plate moves in the delay cavity at the moment; the further delay plate is abutted against the release buckle to drive the buckle to reset; then the first piston is reset under the action of a piston spring; so far, the hydraulic pressure in the hydraulic tank is reset normally.

The movable disc on one side can move quickly for clamping through the arrangement of the assembly, and the movable disc on the other side is loosened after the clamping is finished; the rotary disks on two sides are ensured to be on the same axis when being clamped by the alternative clamping, so that the metal rings cannot shake when being clamped, and the grinding stability is improved.

The limiting assembly comprises a limiting cavity arranged in the cross beam, a limiting groove arranged on the piston rod, a limiting rod arranged in the limiting cavity, a limiting spring arranged on the limiting rod, a driving groove arranged on the limiting rod, a driving block arranged on one side of the limiting rod and an inclined block arranged at one end of the limiting cavity; when the piston rod moves, the limiting rod is driven to abut against the limiting groove under the action of the limiting spring, so that the limiting rod is limited; then when the moving block moves right above the lifting frame, the moving block is abutted against the inclined block, so that the air pressure in the limiting cavity is increased, and the driving block is driven to move transversely; then the driving block is abutted against the driving groove, and the inner rod is further driven to move downwards; and the piston rod is reset.

The piston rod can be automatically limited after moving through the arrangement of the component, and only the moving block is unlocked when moving to the position right above the lifting frame; on one hand, the clamping stability is improved; on the other hand, the stability of the metal ring can be kept when the metal ring is alternately clamped.

The polishing device comprises a telescopic rod arranged in the right end of the main body, a polishing disc arranged at the head end of the telescopic rod, a dust collecting cavity arranged in the polishing disc, a dust collector arranged in the dust collecting cavity, an inlet arranged at one end of the dust collecting cavity, a driving cavity arranged in the inlet, a rotating frame arranged in the driving cavity, five sector plates arranged on the inlet, a first arc rod arranged on the sector plates, a centrifugal rod arranged on the inner wall of the driving cavity, a second arc rod arranged at the bottom end of the centrifugal rod, a universal ball arranged at the top end of the centrifugal rod, an arc frame arranged on the universal ball, a polishing block arranged on the arc frame, a dust suction hole arranged on the polishing block, a polishing spring arranged on the polishing block and a dust collecting hole arranged on the centrifugal rod; when the inner wall of the metal circular ring is polished, the telescopic rod is started to move the polishing disc in the metal circular ring; the telescopic rod is embedded with the movable disc, so that the telescopic rod starts to rotate and simultaneously drives the polishing disc to start to rotate; the centrifugal rod is moved outwards under the action of centrifugal force, and then the grinding block is abutted against the inner wall of the metal circular ring; grinding treatment is carried out along with the rotation of the grinding disc; meanwhile, the rotating frame is driven to rotate under the action of the second arc rod when the centrifugal rod moves; at the moment, the sector plates are driven to simultaneously turn over under the action of the first arc rod, and an inlet is opened; then, dust collection was started.

The metal powder polished from the inner wall of the metal ring can be collected through the arrangement of the dust collection cavity, so that the later cleaning is facilitated; on the other hand, the metal powder on the inner wall can be timely sucked and removed when the inner wall is polished, so that polishing is smoother; the centrifugal rod can quickly drive the arc frame to abut against the inner wall under the action of centrifugal force when polishing is started; meanwhile, the rotating frame can be driven to rotate; on one hand, automatic polishing is realized, so that polishing is stable; on the other hand, the fan-shaped plate can be opened, so that dust can be sucked, and the polishing effect is improved; on one hand, the first arc rod can drive the rotating frame to rotate when rotating; on the other hand, the centrifugal rod is eccentrically arranged, so that the outward centrifugal force of the centrifugal rod can be improved, the arc frame is more tightly attached to the inner wall of the metal ring, and the polishing effect is improved; the arrangement of the universal ball and the polishing spring enables the polishing block to be more suitable for the inner wall of the metal ring, so that the polishing effect is improved; the grinding block is arranged, so that grinding is realized, and ground metal powder can be timely adsorbed through the dust absorption hole while grinding is performed, and the efficiency of the Western city is improved; through the device, the inner wall of the metal ring can be polished and metal powder can be timely absorbed by the inner wall of the metal ring, so that the polishing effect is improved.

In conclusion, the invention has the following advantages: the invention can alternate the clamping mode of the metal ring during polishing, thereby ensuring that polishing has no dead angle; the smoothness of the tank body is further improved; meanwhile, the metal powder can be absorbed in time when the inner wall is polished, so that the cleaning work after polishing is facilitated; the manufacturing efficiency is effectively improved.

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 left side view of the present invention.

FIG. 4 is a cross-sectional perspective view of FIG. 3 taken along C-C of the present invention.

Fig. 5 is a cross-sectional view taken along C-C of fig. 3 of the present invention.

Fig. 6 is a cross-sectional view along a-a of fig. 2 of the present invention.

Fig. 7 is a cross-sectional view taken along B-B of fig. 2 of the present invention.

Fig. 8 is a cross-sectional view taken along D-D of fig. 2 of the present invention.

Fig. 9 is an exploded view of the clamping device of the present invention.

Fig. 10 is a partial view of fig. 4 taken at a in accordance with the present invention.

FIG. 11 is a partial view taken at B of FIG. 5 in accordance with the present invention.

Fig. 12 is a partial view of the invention at C of fig. 5.

Fig. 13 is a partial view of the invention at D in fig. 4.

Fig. 14 is a partial view of the invention at E of fig. 7.

Figure 15 is an exploded view of the sanding device of the present invention.

Detailed Description

As shown in fig. 1-15, a method of manufacturing a pressure vessel includes the steps of:

a. cutting treatment: cutting a metal plate according to a specified size to obtain a plate;

b. bending treatment: b, bending the plate obtained in the step a into a circular ring structure, cutting the plate after bending, and flattening wrinkles generated on the inner surface of the plate to obtain a bent plate;

c. welding treatment: placing the bent plate into a welding fixture, and welding to obtain a metal ring;

d. polishing treatment: the metal ring is fixed on a grinding machine, and the outer wall and the inner wall are ground to obtain an annular tank body;

e. butt joint treatment: d, fixing the annular tank body in the step d and two side end covers prepared in advance through a tool, welding the connecting positions, and then processing the welding positions to obtain a pressure container;

the grinding machine in the step d comprises a main body 1, a lifting frame 11, a clamping device 2, a cross beam 12, a moving block 13, a grinding plate 14 and a grinding device 3; the clamping device 2 comprises a moving cavity 20, a moving disc 21, a first motor 22, a rotating groove 23, a pneumatic groove 24, a rotating ring 25, a piston rod 26, a rotating disc 27, a piston block 28, an Archimedes spiral groove 29, a clamping block 290 and an exchange mechanism 4; the cross section of the main body 1 is rectangular, and the longitudinal section of the main body is L-shaped; the cross section of the lifting frame 11 is circular and is directly bought in the market; the upper surface of the lifting frame 11 is provided with a roller groove; can be engaged and pressed against the outer wall of the metal circular ring; the clamping devices 2 are provided with 2 groups which are respectively arranged on the inner walls of the left end and the right end of the main body 1, and the 2 groups of clamping devices 2 have the same structure; the cross beam 12 is arranged at the upper end of the main body 1; the moving block 13 can be transversely moved and is embedded on the cross beam 12, and the moving block 13 is driven by the prior art; the longitudinal section of the polishing plate 14 is arc-shaped and is arranged at the lower end of the moving block 13; the polishing device 3 is provided with the right end of the main body 1, and the polishing device 3 can move in the metal ring; the number of the moving cavities 20 is 2, and the moving cavities are respectively positioned at the left end and the right end of the main body 1; the moving disk 21 is movably embedded in the moving cavity 20; the first motor 22 is arranged in the moving cavity 20, and the first motor 22 is connected with the moving disc 21; the cross section of the rotary groove 23 is arc-shaped and is arranged on the upper end surface of the movable disc 21; the pneumatic groove 24 is arranged in the movable disc 21, and one end of the pneumatic groove 24 is communicated with one end of the rotating groove 23; the rotating ring 25 is rotatably embedded on the inner wall of the moving cavity 20; the piston rod 26 is fixedly arranged on the rotating ring 25 and movably plugged in the air pressure groove 24; the rotating disc 27 is rotatably embedded on the re-moving disc 21; the Archimedes spiral groove 29 is formed in the upper end face of the rotating disc 27; the searching block 28 is fixedly arranged at the bottom of the rotating disc 27 and is arranged in the rotating groove 23; the clamping block 290 is provided with 3 and movably embedded on the surface of the rotating disc 21; the bottom of the clamp block 290 is engaged with the archimedes' spiral groove 29; the exchange mechanism 4 is provided on the beam 12.

As shown in fig. 5, the exchange mechanism 4 comprises a pneumatic chamber 41, a piston rod 42, a first rack 43, a docking gear 44, a second rack 45, a hydraulic groove 46, a delay assembly 5, a ram 47, a ram spring 48, a rolling ball 49 and a limiting assembly 6; the air pressure cavity 41 is arranged in the cross beam 12; the piston rod 42 can be embedded on the pneumatic cavity 41 in a left-right moving manner; the first rack 43 is arranged at the bottom of the piston rod 42 and is positioned right above the lifting frame 11; the butt-joint gear 44 is rotatably embedded on the cross beam 12 and meshed with the first rack 43 and the second rack 45; the second rack 45 is arranged at the upper end of the moving block 13; the hydraulic groove 46 is arranged in the main body 1, and the hydraulic groove 46 is communicated with the air pressure cavity 41; the top rod 47 can be transversely movably embedded at the tail end of the hydraulic groove 46 and is abutted against the bottom surface of the movable disc 21; the ejector rod spring 48 is connected with the ejector rod 47 and the hydraulic groove 46; the rolling ball 49 can be rotatably embedded at the top end of the mandril 47 and is propped against the movable disk 21; the limiting assembly 6 is arranged in the cross beam 12.

As shown in fig. 11, the delay assembly 5 includes a first piston 51, a piston spring 52, a delay chamber 53, a second piston 54, a delay plate 55, a catch 56, a catch spring 57, and a trip 58; the first piston 51 can be embedded in the hydraulic groove 46 in an up-and-down moving manner; the piston spring 52 connects the bottom of the first piston 51 and the hydraulic groove 46; the delay chamber 53 opens in the first piston 51; the second piston 54 can be embedded in the pneumatic cavity 41 in an up-and-down moving manner; the delay plate 55 is movably embedded in the delay cavity 53 and is connected with the bottom of the second piston 54; the longitudinal section of the buckle 56 is trapezoidal, and the buckle can be transversely movably embedded on the inner wall of the hydraulic groove 46; the buckle spring 57 is connected with the buckle 56 and the inner wall of the hydraulic groove 46; the trip 58 is trapezoidal in longitudinal section and is laterally movably embedded in the inner wall of the delay chamber 53.

As shown in fig. 12, the limiting assembly 6 includes a limiting cavity 61, a limiting groove 62, a limiting rod 63, a limiting spring 64, a driving groove 65, a driving block 66 and an inclined block 67; the limiting cavity 61 is arranged in the cross beam 12, and the cross section of the limiting cavity is L-shaped; the limiting grooves 62 are formed at two ends of the piston rod 42; the limiting rod 63 can be embedded in the limiting cavity 61 in a vertically moving mode, and the longitudinal section of the upper end of the limiting rod 63 is arc-shaped; the limiting spring 64 is connected with the limiting rod 63 and the limiting cavity 61; the longitudinal section of the driving groove 65 is trapezoidal and is arranged on the limiting rod 63; the driving block 66 can be transversely movably embedded in the limiting cavity 61, and the longitudinal section of the driving block 66 is trapezoidal and is abutted against the driving groove 65; the longitudinal section of the inclined block 67 is triangular, and the movable head end embedded in the limiting cavity 61 is abutted against the movable block 13.

As shown in fig. 13-15, the polishing device 3 comprises a telescopic rod 31, a polishing disk 32, a dust collecting cavity 33, a dust collector 34, an inlet 35, a driving cavity 350, a rotating frame 36, a sector plate 37, a first arc rod 38, a centrifugal rod 39, a second arc rod 390, a universal ball 391, an arc frame 392, a polishing block 393, a dust collecting hole 394, a polishing spring 395 and a dust collecting hole 396; the telescopic rod 31 is connected with a hydraulic cylinder and can drive the telescopic rod 31 to extend and retract; the telescopic rod 31 is embedded with the movable plate 21; the polishing disc 32 is fixedly arranged at the top end of the telescopic rod 31; the dust collection cavity 33 is arranged in the polishing disc 32; the dust collector 34 is arranged in the dust collection cavity 33 and is directly purchased from the market; the inlet 35 is arranged in the dust collection cavity 33; the drive chamber 350 is disposed within the inlet 35; the rotating frame 36 is rotatably embedded in the driving cavity 350; the number of the fan-shaped plates 37 is 5, and the fan-shaped plates are uniformly arranged along the circumferential direction of the rotating frame 36; the cross section of the sector plate 37 is sector, and one end of the sector plate is rotatably embedded at the end surface of the inlet 35; one end of the first arc rod 38 is hinged to the other end of the sector plate 37, and the other end is hinged to the rotating frame 36; the first arc rod 38 has a circular arc-shaped cross section; the centrifugal rods 39 are telescopically embedded in the polishing disc 32, and a plurality of centrifugal rods 39 are uniformly arranged along the circumferential direction of the polishing disc 32; one end of the second arc lever 390 is hinged on the centrifugal lever 39 and is eccentrically arranged with the centrifugal lever 39; the other end is hinged on the rotating frame 36; the second arc rod 390 has a circular arc-shaped cross section; the universal ball 391 can be universally and rotatably embedded at the top end of the centrifugal rod 39; the longitudinal section of the circular arc frame 392 is circular arc, and the circular arc frame 392 is arranged on the universal ball 391; the grinding block 393 is movably embedded in the circular arc frame 392; a plurality of dust suction holes 394 are uniformly formed in the grinding block 393; the polishing spring 395 is connected with the polishing block 393 and the arc frame 392; the dust collecting hole 396 penetrates through the centrifugal rod 39 and the universal ball 391

The specific implementation process is as follows: when polishing is started, the metal ring is fixed on the lifting frame 11, and then the right end of the metal ring is clamped by the clamping block 290; starting a first motor 22 positioned at the right side of the main body 1, and driving a moving disc 21 at the right end to rotate; further metal rings start to rotate; simultaneously starting the moving block 13 to drive the polishing plate 14 to polish the outer wall of the metal circular ring; at the moment, as the moving block 13 moves towards the direction, when the moving block 13 moves to the position right above the lifting frame 11, the exchange mechanism 4 is driven to start; starting the first motor 22 on the left side of the main body 1, while the exchange mechanism 4 moves the mobile disc 21 on the left side of the main body 1 to the right; at this time, the piston rod 26 moves in the air pressure groove 24, so that the air pressure in the rotating groove 23 is reduced, and the piston block 28 is driven to move; thereby driving the rotating disc 27 to start rotating, and then accelerating 290 the three pieces of metal rings and clamping the left end of the metal rings under the action of the Archimedes spiral groove 29; after the clamping of the clamping block 290 is completed, the clamping block 290 on the right side is released, and the moving plate 21 on the right side moves rightwards and moves into the moving cavity 2O; at the moment, the moving block 13 moves rightwards to continue polishing; when the outer wall of the metal ring is polished, the polishing device 3 polishes the inner wall of the metal ring; and after polishing is finished, closing the equipment.

While there have been shown and described what are at present considered the fundamental principles and essential features of the invention and its advantages, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.