CN114226534A

CN114226534A - Disc-shaped part punching machine

Info

Publication number: CN114226534A
Application number: CN202210162679.9A
Authority: CN
Inventors: 刘慧丽
Original assignee: Hangzhou Kaiwosi Technology Co ltd
Current assignee: Hangzhou Kaiwosi Technology Co ltd
Priority date: 2022-02-22
Filing date: 2022-02-22
Publication date: 2022-03-25

Abstract

The invention belongs to the field of punching machines, and particularly relates to a disc-type part punching machine which comprises a machine body, wherein the middle part of the machine body is a punching station, the upper end of the machine body, which is positioned at the punching station, is provided with a hydraulic module, the output end of the hydraulic module is connected with a punch, a working cavity is arranged in the machine body and is positioned right below the punch, a first rotating shaft is rotatably arranged in the working cavity, and the machine body is also provided with a driving part for driving the first rotating shaft to rotate and an air suction part for providing negative pressure suction in the first rotating shaft; the rotary table is uniformly provided with four support rods along the circumferential direction, one end of each support rod, which is far away from the rotary table, is fixedly provided with a stamping die, and a punch can press the raw materials into the stamping die for forming; the first rotating shaft is provided with four air suction ports inside the rotating disc, each air suction port is communicated to the cavity through a first air suction pipe, and a valve is arranged at each air suction port. The products in different states after processing can be distinguished and separated.

Description

Disc-shaped part punching machine

Technical Field

The invention belongs to the field of punching machines, and particularly relates to a punching machine for a disc-shaped part.

Background

Most of the existing disc-shaped parts are manufactured in a stamping mode, and the following problems often occur in the stamping process:

firstly, the punched scrap edge material cannot be well separated from the part body;

secondly, the parts have defects during stamping, and cannot be distinguished and separated in time, so that the workload is large during subsequent manual inspection.

Most of the existing punching machines only have a simple punching function, cannot assist scrap edges to fall off, cannot perform preliminary screening on products more quickly after pressing is completed, and needs to be improved.

Disclosure of Invention

The invention aims to solve the problems in the prior art and provides a disc part punching machine which can distinguish and separate products in different states after processing.

In order to achieve the purpose, the invention adopts the following technical scheme: a disc-type part punching machine comprises a machine body, wherein a punching station is arranged in the middle of the machine body, a hydraulic module is arranged at the upper end of the machine body, which is positioned at the punching station, the output end of the hydraulic module is connected with a punch, a working cavity is arranged in the machine body and is positioned right below the punch, a first rotating shaft is rotatably arranged in the working cavity, and the machine body is also provided with a driving part for driving the first rotating shaft to rotate and an air suction part for providing negative pressure suction force for the first rotating shaft;

the rotary table is fixedly connected with a first rotary shaft, four support rods are uniformly arranged on the rotary table in the circumferential direction, a stamping die is fixedly arranged at one end, away from the rotary table, of each support rod, a plurality of suction holes are formed in the bottom surface of the stamping die, a cavity is formed at the joint of each support rod and the stamping die, a first sealing plate is arranged in the cavity in a sliding mode, a plurality of sealing heads capable of aligning with the suction holes one by one to seal the first sealing plate are arranged on the first sealing plate, a plurality of first springs are connected between the first sealing plate and the bottom wall of the cavity, and the punch can press raw materials into the stamping die for forming;

the first rotating shaft is provided with four air suction ports in the rotating disc, each air suction port is communicated to the cavity through a first air suction pipe, and a valve is arranged at each air suction port.

A support frame is arranged on the side face of the machine body, two conveyor belt supporting plates are fixedly arranged on the support frame and the machine body, a feeding conveyor belt is arranged on the two conveyor belt supporting plates, and a plurality of limiting blocks capable of pushing iron sheets are arranged on the feeding conveyor belt; the fuselage is located the downside of carousel and still is equipped with the exit conveyor who passes through the support frame.

First sliding bases are symmetrically arranged on two sides of each supporting rod along the rotating direction of the rotating disc, a folding telescopic arm extending upwards to the same height of the stamping die is arranged in each first sliding base in a sliding mode, a butting rod is fixedly arranged on the bottom surface, close to the supporting rod, of each first sliding base, a second spring surrounding the abutting rod is arranged between the telescopic arms and the bottom wall of the first sliding base, the upper end of each telescopic arm is rotatably provided with a folded limiting block with an opening facing the upper direction of the stamping die, the rotary joint of the fold-shaped limiting block and the telescopic arm is provided with a torsion spring, one surface of the fold-shaped limiting block is flush with the upper end surface of the telescopic arm at the beginning, the telescopic arm is provided with a gravity block sliding groove at the joint face of the folding limiting block, each gravity block sliding groove is internally provided with a gravity block in a sliding manner, and a third spring is connected between the gravity block and the bottom surface of the gravity block sliding groove.

A sliding shell is fixedly arranged on two sides of the inner wall of each stamping die and the two sides of the telescopic arm, which are positioned on the same plane, a die piece which is attached to the stamping die towards one end of the stamping die is arranged on the inner wall of the sliding shell, the other end of the die piece extends to the outlet of the sliding shell, a fixed block is fixedly arranged on the bottom wall of the sliding shell, and a fourth spring is connected between the fixed block and the die piece; a folding hydraulic pipeline with one end arranged inside the first sliding base in a sliding mode and the other end extending to the position equal to the height of the die piece is arranged in the telescopic arm, an ejector rod capable of pushing the die piece base when pushed out is arranged on the folding hydraulic pipeline and the die piece in a sliding sealing mode, a moving sliding block is arranged at the lower end of the folding hydraulic pipeline in a sliding sealing mode, a fifth spring is connected with the moving sliding block and the folding hydraulic pipe in an internal mode, and the moving sliding block is not in contact with the abutting rod when the second spring is in a natural state; the inside rotation of bracing piece is equipped with the flabellum wheel, flabellum wheel coaxial coupling has the rope winding wheel, be connected with the stay cord through seting up the rope groove on the bracing piece between rope winding wheel and two flexible arms respectively.

The supporting rod and the telescopic arm are perpendicular to the plane, rotating cavities are fixedly arranged in machine bodies on two sides of the supporting rod and the telescopic arm, a first sliding groove is formed between each rotating cavity and the corresponding working cavity where the supporting rod is located, an extrusion block capable of sliding in the first sliding groove and abutted to the supporting rod is arranged in the first sliding groove, two supporting blocks with the front ends matched with the outer surface of a stamping die are arranged on one side, flush with the working surface and close to the supporting rod, of the rotating cavity, the lower ends of the two supporting blocks are connected with the second sliding groove in a sliding mode, a sixth spring is connected between the supporting blocks and the inner wall of the second sliding groove, a rotating shaft is fixedly arranged in the position, located between the plane where the supporting blocks and the extrusion block are located, of the rotating cavity, a rotating plate capable of rotating around a shaft is connected to the rotating shaft, and the supporting blocks and the extrusion blocks are abutted to two ends of the rotating plate respectively.

The utility model discloses a processing method, including bracing piece rotation direction, the position that the flexible arm height is a bit more is installed to the working chamber, fixed slide can be with the waste material cunning send to the waste material bucket of lower extreme and fuselage to the butt, the collection thing chamber has been seted up to the below of working chamber, the position downside that is located stamping die and is closest to the waste material bucket when the carousel rotates in the collection thing intracavity is equipped with treats the processing barrel, treat the processing barrel and be used for collecting the nonstandard part that can carry out reprocess.

The utility model discloses a pneumatic air pump, including fuselage, first pivot, second pivot, air pump, drive motor, bearing, first pivot, first drive motor, second drive motor, air pump, air outlet, air pump, air pump, air outlet, air pump, air, and air, and air, and air, and air, air.

Has the advantages that:

1. the design of two supporting blocks can make stamping die have bigger holding power when the drift punching press, avoids on pressure all transmits the bracing piece, prolongs bracing piece and stamping die's life.

2. The design of the gravity block and the folding limiting block can ensure that the scrap edge can smoothly break away from and enter the scrap barrel after the iron sheets are pressed, and manual operation is not needed.

3. The design of first closing plate and sealed head has both guaranteed stamping die's integrality when the punching press, also makes after the punching press, and suction can effectively adsorb the lower terminal surface of living part to realize follow-up screening.

Drawings

FIG. 1 is a perspective view of the present invention;

FIG. 2 is a perspective view of the present invention in another orientation;

FIG. 3 is a top view of the present invention;

FIG. 4 is a cross-sectional view taken at A-A of FIG. 3;

FIG. 5 is a partial enlarged view of FIG. 4 at B;

FIG. 6 is an enlarged view of a portion of FIG. 5 at C;

FIG. 7 is an enlarged view of a portion of FIG. 5 at D;

FIG. 8 is a partial sectional view of the structure at the first driving motor;

fig. 9 is a partial cross-sectional view at E-E in fig. 2.

Detailed Description

The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.

In the description of the present invention, it should be noted that the terms "inside", "below", and the like refer to orientations or positional relationships based on the orientations or positional relationships shown in the drawings or orientations or positional relationships that the products of the present invention conventionally place when used, and are used only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.

With reference to fig. 1-9, a disc part punching machine comprises a machine body 1, wherein a punching station is arranged in the middle of the machine body 1, a hydraulic module is arranged at the upper end of the machine body 1, which is positioned at the punching station, the output end of the hydraulic module is connected with a punch 3, a working chamber 4 is arranged in the machine body 1 and is positioned right below the punch 3, a first rotating shaft 48 is rotatably arranged in the working chamber 4, and the machine body 1 is also provided with a driving part for driving the first rotating shaft 48 to rotate and an air suction part for providing negative pressure suction in the first rotating shaft 48;

the rotary table 24 is fixedly connected with the first rotating shaft 48, the rotary table 24 is uniformly provided with four support rods 23 along the circumferential direction, one end, far away from the rotary table 24, of each support rod 23 is fixedly provided with a stamping die 15, the bottom surface of the stamping die 15 is provided with a plurality of suction holes 43, a cavity 56 is arranged at the joint of each support rod 23 and the stamping die 15, a first sealing plate 32 is arranged in the cavity 56 in a sliding manner, a plurality of sealing heads 44 capable of aligning with the suction holes 43 one by one to seal the first sealing plate 32 are arranged on the first sealing plate 32, a plurality of first springs 33 are connected between the first sealing plate 32 and the bottom wall of the cavity 56, and the punch 3 can press the raw materials into the stamping die 15 for forming;

the first rotating shaft 48 is provided with four air inlets 25 inside the rotating disc 24, each air inlet is communicated to the cavity 56 through a first air inlet pipe 26, and a valve 47 is arranged at each air inlet 25.

A supporting frame 11 is arranged on the side face of the machine body 1, two conveyor belt supporting plates 10 are fixedly arranged on the supporting frame 11 and the machine body 1, a feeding conveyor belt 8 is arranged on the two conveyor belt supporting plates, and a plurality of limiting blocks 9 capable of pushing iron sheets are arranged on the feeding conveyor belt; the machine body 1 is also provided with a discharge conveyor belt 12 passing through the support frame 11 at the lower side of the rotary disc 24.

Every bracing piece 23 is equipped with first sliding bottom 22 along bracing piece 23 along the bilateral symmetry of carousel 24 direction of rotation, every sliding bottom slides and is equipped with the flexible arm 29 that the book shape upwards extends to stamping die 15 high parallel and level, every sliding bottom 22 has set firmly the butt joint pole 21 on the bottom surface that bracing piece 23 is close to, be equipped with the second spring 58 around butt joint pole 21 between the diapire of flexible arm 29 and first sliding bottom 22, the upper end of every flexible arm 29 is rotated and is provided with the opening towards stamping die 15 top direction's book shape stopper 16, book shape stopper 16 rotates the junction with flexible arm 29 and is equipped with the torsional spring, one side is neat with flexible arm 29 up end when book shape stopper 16 is initial, flexible arm 29 is located the binding face department of book shape stopper 16 and is equipped with gravity piece spout 59, it is equipped with gravity piece 101 to slide in every gravity piece spout 59, be connected with third spring 46 between gravity piece 101 and the gravity piece spout 59 bottom surface.

A sliding shell 31 is fixedly arranged on two sides of the inner wall of each stamping die 15 and the telescopic arm 29, which are positioned on the same plane, a die piece 30 which is attached to the stamping die and faces one end of each stamping die 15 is arranged on the inner wall of each sliding shell 31, the other end of each die piece 30 extends to the outlet of each sliding shell 31, a fixed block 42 is fixedly arranged on the bottom wall of each sliding shell 31, and a fourth spring 41 is connected between each fixed block 42 and each die piece 30; a folding hydraulic pipeline 19 with one end arranged in the first sliding base 22 in a sliding manner and the other end extending to a position as high as the die piece 30 is arranged in the telescopic arm 29, an ejector rod 18 capable of pushing the die piece 30 when the folding hydraulic pipeline 19 and the die piece 30 are pushed out in a sliding and sealing manner is arranged at the lower end of the folding hydraulic pipeline 19, a moving slide block 61 is arranged at the lower end of the folding hydraulic pipeline 19 in a sliding and sealing manner, a fifth spring 20 is internally connected between the moving slide block 61 and the folding hydraulic pipe 19, and when the second spring 58 is in a natural state, the moving slide block 61 is not in contact with the abutting rod 21; a vane wheel 28 is rotatably arranged in the support rod 23, the vane wheel 28 is coaxially connected with a rope winding wheel, and a pull rope 27 passing through a rope running groove 62 formed on the support rod 23 is respectively connected between the rope winding wheel and the two telescopic arms 29.

The two sides of the plane perpendicular to the support rod 23 and the telescopic arm 29 are fixedly provided with a rotating cavity 201 in the machine body 1, a first sliding groove 202 is arranged between each rotating cavity 201 and the working cavity 4 where the support rod 23 is located, an extruding block 40 which can slide in the first sliding groove and is abutted to the support rod 23 is arranged in the first sliding groove 202, one side of the upper part of each rotating cavity 201, which is flush with the working surface and is close to the support rod 23, is provided with a support block 34 the front end of which is matched with the outer surface of the stamping die 15, the lower end of each support block 34 is slidably connected with a second sliding groove 36, a sixth spring 37 is connected between the inner wall of each support block 34 and the inner wall of each second sliding groove 36, a rotating shaft 39 is fixedly arranged in the rotating cavity 201 between the planes where the support blocks 34 and the extruding blocks 40 are located, a rotating plate 38 which can rotate around a shaft is connected to the rotating shaft 39, and the extruding blocks 40 are respectively abutted to the two ends of the rotating plate 38.

Working chamber 4 installs fixed slide 57 in the position that bracing piece 23 direction of rotation is higher than flexible arm 29 a bit, fixed slide 57 can be with the waste material cunning send to lower extreme and fuselage 1 to the waste material bucket 14 of butt, collection thing chamber 5 has been seted up to the below of working chamber 4, it is equipped with to treat the processing barrel 6 to lie in stamping die 15 in the collection thing chamber 5 and be close to the position downside of waste material bucket 14 when rotating along with carousel 24, treat that processing barrel 6 is used for collecting the nonstandard part that can carry out the reprocess.

Set firmly first driving motor 52 on the fuselage 1, be equipped with bearing 50 on the fuselage 1 lateral wall, first pivot 48 is connected to on the bearing 50, first pivot 48 is close to bearing 50 department and is equipped with first drive gear 49, the output of first driving motor 52 has set firmly second drive gear 55, first drive gear 49 and second drive gear 55 you and transmission, the downside that lies in first driving motor 52 on the fuselage 1 lateral wall still sets firmly air pump 54, the one end internal rotation that first pivot 48 stretches out 50 is connected with ventilative piece 51, ventilative piece 51 is connected to the air inlet of air pump 54 through stereoplasm trachea 53, the gas outlet of air pump 54 is towards first driving motor 52.

Initial state:

the rotating plate 38 is in a horizontal vertical state, the supporting block 34 does not exceed the working table surface, the extruding block 40 exceeds the working table surface, the sixth spring 36 is in a normal state, the first spring 33 is in a normal state, the first sealing plate 32 is abutted against the bottom surface of the stamping die 15, the fourth spring 41 is in a normal state, the die piece 30 is fitted with the inner wall of the stamping die 15 towards the stamping die 15, the third spring 46 is in a normal state, the bottom surface of the gravity block 101 is in contact with the bottom wall of the gravity block sliding groove 59, one section of the folded limiting block 16 is fitted with the upper end surface of the telescopic arm 19, the fifth spring 20 is in a normal state, one side of the movable sliding block 61 is flush with the tail end surface of the telescopic arm 19, the air suction port 25 does not generate suction force, and the ejector rod 18 is in contact with the outer side of the die piece 30 but has no force interaction.

The working principle is as follows:

the first driving motor 52 is started to drive the second driving gear 55 to engage with and drive the first driving gear 49 to rotate, so as to drive the first rotating shaft 48 to rotate, so as to drive the rotating disc 24 to rotate, and the rotating disc 24 drives the supporting rod 23 to rotate together until one stamping die 15 is just under the stamping head 3. The supporting rod 23 pushes the squeezing blocks 40 at two sides to move towards the rotating plate 38 in the rotating process, the rotating plate 38 is pushed to rotate, the two supporting blocks 34 are pushed out to the lower end of the stamping die 15, supporting force is provided for the stamping die, and force is prevented from being transmitted to the supporting rod 23 in the stamping process.

Iron sheet material transports to stamping die 15 direction on feeding conveyer belt 8, when iron sheet material reachs stamping die 15 top on the opening face of landing to the mould downwards, stopper 9 on feeding conveyer belt 8 can give the material iron sheet the power that pushes forward, help material iron sheet slides forward on the opening face, withstand and roll over shape stopper 16, tensile effect is received to fifth spring 20, flexible arm 19 outwards extends, drift 3 carries out slight push down simultaneously, give the light little decurrent power of material iron sheet, make falling on roll over shape stopper 16 that the both ends of iron sheet can be better, after the iron sheet completely falls the position by the 16 centre gripping of roll over shape stopper of both sides, make the iron sheet receive the centre gripping and be located central point, the drift pushes down, begin stamping work.

Under the condition that the stamping work is not finished perfectly and the iron sheet and the scrap edge are not completely separated: after the punching operation is completed, the air suction port 25 generates suction force, the control valve 47 is opened, so that the suction force is transmitted outwards from the first air suction pipe 26 and enters the cavity 56, the first sealing plate 32 moves downwards after receiving the suction force, the first spring 33 is extruded after receiving the extrusion, the suction hole 43 is opened to generate suction force on the bottom surface of the part, the supporting rod 23 rotates continuously along with the turntable 24, when the gravity block 101 is under the action of gravity and is larger than the tension force of the third spring 46, the gravity block 101 is ejected outwards in the gravity block sliding groove 59, the folded limiting block 16 turns outwards after receiving the ejection force, the nonstandard part is ejected out of the punching die 15, enters the fixed sliding way 57 and slides into the waste barrel 14.

Under the condition that the iron sheet is completely separated from the material, but the surface of the processed part has defects: after the punching operation is completed, suction force is generated, the support rod 23 rotates, when the support rod rotates to a horizontal position, due to the defect of the surface of a part, the support rod cannot be perfectly attached to the inner wall of the punching die 15, due to the action of the suction force, outside air flows into the first suction pipe 26 along with the gap between the part and the inner wall of the punching die 15, the fan wheel 28 in the first suction pipe 26 is driven to deflect, the pull rope 27 connected with the tail end of the telescopic arm 19 on the fan wheel 28 through the rope running groove 62 is tensioned, the telescopic arm 29 moves inwards in the first sliding base 22, the movable slide block 61 slides inwards under the extrusion action of the abutting rod 21, the fifth spring 20 is extruded, hydraulic oil in the folded hydraulic pipeline 19 flows upwards under extrusion, outward thrust is generated to the ejector rod 18, the ejector rod 18 is pushed outwards, the die piece 30 is pushed to move towards the punching die 15 in the sliding shell 31, and a thrust is given to the part, so that the parts with defective surfaces are pushed out to fall into the barrel 6 to be processed.

Completely separate iron sheet and stamping part, and the surface of the stamping part is free from defects, and the surface of the stamping part meets the standard: the supporting rod 23 rotates, suction is generated, the bottom surface of the stamping part is adsorbed, when the supporting rod 23 rotates 180 degrees and then reaches the lower part in the vertical direction, the valve 47 is closed, the suction disappears, and the stamping part falls onto the discharging conveyor belt 12 from the stamping die 15 and is conveyed out of the machine body 1.

The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims

1. The utility model provides a disk type part punching machine, includes fuselage (1), the middle part of fuselage (1) is punching press station, its characterized in that: the stamping machine is characterized in that a hydraulic module is arranged at the upper end of the machine body (1) positioned at a stamping station, the output end of the hydraulic module is connected with a punch (3), a working cavity (4) is arranged in the machine body (1) and positioned under the punch (3), a first rotating shaft (48) is rotatably arranged in the working cavity (4), and a driving part for driving the first rotating shaft (48) to rotate and an air suction part for providing negative pressure suction in the first rotating shaft (48) are further arranged on the machine body (1);

the rotary table (24) is fixedly connected with a first rotating shaft (48), the rotary table (24) is uniformly provided with four support rods (23) along the circumferential direction, one end, far away from the rotary table (24), of each support rod (23) is fixedly provided with a stamping die (15), the bottom surface of each stamping die (15) is provided with a plurality of suction holes (43), a cavity (56) is arranged at the joint of each support rod (23) and the stamping die (15), a first sealing plate (32) is arranged in the cavity (56) in a sliding manner, a plurality of sealing heads (44) capable of aligning with the suction holes (43) one by one and sealing the first sealing plates (32), a plurality of first springs (33) are connected between the first sealing plate (32) and the bottom wall of the cavity (56), and the punch (3) can press raw materials into the stamping die (15) for forming;

the first rotating shaft (48) is provided with four air suction ports (25) inside the rotating disc (24), each air suction port is communicated to the cavity (56) through a first air suction pipe (26), and a valve (47) is arranged at each air suction port (25).

2. A disc part stamping press according to claim 1,

a support frame (11) is arranged on the side face of the machine body (1), two conveyor belt supporting plates (10) are fixedly arranged on the support frame (11) and the machine body (1), a feeding conveyor belt (8) is arranged on the two conveyor belt supporting plates, and a plurality of limiting blocks (9) capable of pushing iron sheets are arranged on the feeding conveyor belt; the machine body (1) is also provided with a discharging conveyor belt (12) passing through the support frame (11) at the lower side of the turntable (24).

3. A disc part punching machine according to claim 1, wherein each support rod (23) is symmetrically provided with first sliding bases (22) along both sides of the support rod (23) along the rotation direction of the turntable (24), each first sliding base is internally provided with a folding telescopic arm (29) which extends upwards to reach the height of the punching die (15) and is flush therewith, a butt joint rod (21) is fixedly arranged on the bottom surface of each first sliding base (22) close to the support rod (23), a second spring (58) which surrounds the butt joint rod (21) is arranged between the telescopic arm (29) and the bottom wall of the first sliding base (22), the upper end of each telescopic arm (29) is rotatably provided with a folding limiting block (16) which is opened towards the direction above the punching die (15), and a torsion spring is arranged at the rotary joint of the folding limiting block (16) and the telescopic arm (29), fold shape stopper (16) one side and flexible arm (29) up end when initial and paste neatly, flexible arm (29) are located the binding face department of folding shape stopper (16) and are equipped with gravity piece spout (59), every it is equipped with gravity piece (101) to slide in gravity piece spout (59), be connected with third spring (46) between gravity piece (101) and gravity piece spout (59) bottom surface.

4. A disc part stamping press according to claim 3,

a sliding shell (31) is fixedly arranged on two sides of the inner wall of each stamping die (15) and the telescopic arm (29) which are positioned on the same plane, a die piece (30) which is attached to the stamping die and faces one end of each stamping die (15) is arranged on the inner wall of each sliding shell (31), the other end of each die piece (30) extends to the outlet of each sliding shell (31), a fixed block (42) is fixedly arranged on the bottom wall of each sliding shell (31), and a fourth spring (41) is connected between each fixed block (42) and each die piece (30); a folding hydraulic pipeline (19) with one end positioned in the first sliding base (22) in a sliding mode and the other end extending to the position as high as the die piece (30) is arranged in the telescopic arm (29), an ejector rod (18) capable of pushing the die piece (30) on the basis when the folding hydraulic pipeline (19) and the die piece (30) are pushed out is arranged in a sliding and sealing mode, a moving sliding block (61) is arranged at the lower end of the folding hydraulic pipeline (19) in a sliding and sealing mode, a fifth spring (20) is connected between the moving sliding block (61) and the folding hydraulic pipeline to the inside of the die piece (19), and when the second spring (58) is in a natural state, the moving sliding block (61) is not in contact with the abutting rod (21); the inside rotation of bracing piece (23) is equipped with impeller (28), impeller (28) coaxial coupling has the rope winding wheel, be connected with stay cord (27) through seting up rope groove (62) on bracing piece (23) between rope winding wheel and two flexible arms (29) respectively.

5. A disc-shaped part punching machine according to claim 3, characterized in that rotating cavities (201) are fixedly arranged in the machine body (1) at two sides of a vertical plane of the supporting rod (23) and the telescopic arm (29), a first sliding groove (202) is arranged between each rotating cavity (201) and the working cavity (4) where the supporting rod (23) is located, an extrusion block (40) capable of sliding in the first sliding groove and abutting against the supporting rod (23) is arranged in the first sliding groove (202), a supporting block (34) with the front end matched with the outer surface of the punching die (15) is arranged at one side of the upper part of the two rotating cavities (201) which is flush with the working surface and close to the supporting rod (23), the lower ends of the two supporting blocks (34) are slidably connected with the second sliding groove (36), a sixth spring (37) is connected between the inner walls of the supporting block (34) and the second sliding groove (36), and a position between the plane where the supporting block (34) and the extrusion block (40) are located is fixedly arranged in the rotating cavity (201) The supporting device comprises a rotating shaft (39), wherein a rotating plate (38) capable of rotating around a shaft is connected to the rotating shaft (39), and the supporting block (34) and the extrusion block (40) are respectively abutted to two ends of the rotating plate (38).

6. A disc part punching machine according to claim 3, characterized in that a fixed slideway (57) is arranged at a position of the working cavity (4) which is higher than the telescopic arm (29) in the rotation direction of the supporting rod (23), the fixed slideway (57) can slide and convey waste materials to a waste material barrel (14) of which the lower end is abutted against the machine body (1), an object collecting cavity (5) is arranged below the working cavity (4), a barrel to be processed (6) is arranged at the lower side of the position, which is closest to the waste material barrel (14) when the stamping die (15) rotates along with the turntable (24), in the object collecting cavity (5), and the barrel to be processed (6) is used for collecting nonstandard parts which can be processed again.

7. A disc part punching machine according to claim 1, characterized in that a first driving motor (52) is fixedly arranged on the machine body (1), a bearing (50) is arranged on the side wall of the machine body (1), the first rotating shaft (48) is connected to the bearing (50), a first driving gear (49) is arranged at the position, close to the bearing (50), of the first rotating shaft (48), a second driving gear (55) is fixedly arranged at the output end of the first driving motor (52), the first driving gear (49) and the second driving gear (55) are in transmission, an air pump (54) is further fixedly arranged at the lower side of the first driving motor (52) on the side wall of the machine body (1), an air vent block (51) is rotatably connected to the inner part of one end, extending out of the bearing (50), of the first rotating shaft (48), and the air vent block (51) is connected to an air inlet of the air pump (54) through a hard air pipe (53), the air outlet of the air pump (54) faces the first driving motor (52).