CN210788790U

CN210788790U - Full-automatic double-end arc punching machine

Info

Publication number: CN210788790U
Application number: CN201921895360.7U
Authority: CN
Inventors: 朱晓辉
Original assignee: Zhejiang Sunshine Leisure Products Co ltd
Current assignee: Zhejiang Sunshine Leisure Products Co ltd
Priority date: 2019-11-06
Filing date: 2019-11-06
Publication date: 2020-06-19
Anticipated expiration: 2029-11-06

Abstract

The utility model discloses a full-automatic double-end arc punching machine, which comprises an arc punching frame (1), wherein an infrared ray measuring light curtain sensor (2) and two slide rails (3) are arranged on the arc punching frame (1), and two first servo motors (4) are arranged between the two slide rails (3); each first servo motor (4) is connected with an arc punching base (6) through a ball screw (5); the surface of each arc punching base (6) is provided with an automatic arc punching device (7) and a material pushing device (8); a blanking device (9) and a feeding frame (10) are respectively arranged on two sides of the arc punching frame (1); a storage rack (11), a feeding table (12), a material distributing device (13) and a feeding device (14) are arranged in the feeding frame (10). The utility model discloses not only can improve work efficiency, still have application scope wide, adjust convenient, convenient to use, low in labor strength, long service life, the unrestrained rate of material is low, low in production cost and the effectual advantage of arc punching.

Description

Full-automatic double-end arc punching machine

Technical Field

The utility model relates to an arc punching machine, especially full-automatic double-end arc punching machine.

Background

Because the metal pipes are mostly cylindrical, when two metal pipes need to be connected, the ports of the metal pipes are often machined by using machinery for convenient connection, so that the punching surfaces are formed at the ports of the metal pipes, and the connection is convenient, wherein an arc punching machine is one of common devices in the process of machining the metal pipes; the existing arc punching machine is mostly of a single-punching structure, namely the arc punching machine is only provided with one arc punching device, when the metal pipe is required to be punched at two ends, one end of the metal pipe is required to be punched firstly, then the metal pipe is manually turned over, the other end of the metal pipe is punched, in addition, the whole process not only needs manual feeding and blanking, but also needs to start twice machines, and the whole working efficiency is lower; in addition, in the arc striking process of the arc striking machine, the arc striking head can be displaced due to collision, so that other tools are required to be used for measurement and adjustment at regular intervals, and the adjustment is inconvenient. Therefore, the existing arc punching machine has the problems of lower working efficiency and inconvenient adjustment.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a full-automatic double-end arc punching machine. The utility model discloses not only can improve work efficiency, still have the more inconvenient advantage of regulation.

The technical scheme of the utility model: the full-automatic double-end arc punching machine comprises an arc punching frame, wherein an infrared measurement light curtain sensor is arranged on the surface of the arc punching frame; two sides of the infrared measurement light curtain sensor are provided with slide rails, and two first servo motors which are symmetrically distributed are arranged between the two slide rails; each first servo motor is connected with a ball screw, and each ball screw is connected with an arc punching base; an automatic arc punching device is arranged on the surface of each arc punching base, and a material pushing device is arranged on one side of each automatic arc punching device; a blanking device is arranged on one side of the arc punching frame, and a feeding frame is arranged on the other side of the arc punching frame; an inclined storage rack is arranged in the feeding frame, and one end part of the storage rack is connected with a feeding platform; a material distributing device is arranged between the feeding table and the material storage rack; a feeding device is arranged on the top surface of the feeding frame; the infrared measurement light curtain sensor is electrically connected with the first servo motor.

In the fully automatic double-head arc punching machine, the automatic arc punching device comprises a mounting seat, and an arc punching oil cylinder is arranged on one side surface of the mounting seat; an arc punching push rod is connected to the arc punching oil cylinder, and one end of the arc punching push rod is connected with an arc punching cutter; a moving channel is arranged on the mounting seat at a position corresponding to the arcing push rod, and one end part of the moving channel is connected with a buffer slot; a buffer pad is annularly arranged on the bottom surface of the buffer groove; the arc punching cutter is arranged in the buffer tank; one side of the arc punching oil cylinder is provided with a positioning frame, and the top end part of the positioning frame is provided with a positioning cylinder; an infrared sensor is arranged on one side surface of the positioning cylinder.

In the fully automatic double-head arc punching machine, the material distribution device comprises a material distribution bottom plate, and a material distribution cylinder is arranged on the surface of the material distribution bottom plate; the material distributing cylinder is connected with a material distributing rod, and the middle of the top surface of the material distributing rod is provided with a detection groove; the detection tank is internally provided with a pressure sensor which is electrically connected with the material distribution cylinder.

In the full-automatic double-head arc punching machine, the feeding device comprises a feeding plate fixed on the top surface of the feeding frame, and an electric sliding rail is arranged on one side surface of the feeding plate; a feeding seat is arranged on the electric sliding rail, and a lifting cylinder is arranged on the feeding seat; the lifting cylinder is connected with a feeding rod, and the bottom end part of the feeding rod is provided with a clamping seat; a sliding groove is formed in the bottom surface of the clamping seat, and first electromagnets are arranged on two side walls of the sliding groove; two symmetrically distributed clamping plates are arranged in the sliding groove, and the top end part of each clamping plate is provided with a second electromagnet; the first electromagnet and the second electromagnet are both electrically connected with the infrared sensor.

In the full-automatic double-head arc punching machine, the two end parts of the electric slide rail are respectively provided with a movable limiting plate, and one side surface of each movable limiting plate is provided with a travel switch; the electric slide rail is electrically connected with the travel switch; the middle part of the feeding rod is provided with a via hole, and the circle center of the via hole and the circle center of the positioning barrel are positioned on the same horizontal line.

In the full-automatic double-head arc striking machine, the material pushing device comprises a material pushing cylinder, and a material pushing plate is connected to the material pushing cylinder; the middle part of the material pushing plate is provided with an arc-shaped groove, and the inner bottom surface of the arc-shaped groove is provided with a photosensitive sensor; the photosensitive sensor is electrically connected with the material pushing cylinder.

In the full-automatic double-head arc punching machine, the blanking device comprises a blanking frame, and a first support and a second support are respectively arranged at two end parts of the top surface of the blanking frame; two sliding guide pipes which are symmetrically distributed are fixedly arranged between the first bracket and the second bracket, and arc-shaped limiting pipes are arranged at two end parts of each sliding guide pipe; the first support is arranged at one end close to the arc punching frame, the second support is arranged at one end far away from the arc punching frame, and the height of the first support is greater than that of the second support.

In the fully automatic double-head arc punching machine, the feeding table is provided with the feeding rod, and the surface of the feeding rod is provided with a plurality of uniformly distributed V-shaped fixing seats; one end of the feeding rod is connected with a second servo motor.

Compared with the prior art, the utility model improves the existing arc punching machine, two arc punching bases which are symmetrically distributed are arranged on the surface of the arc punching frame, and the automatic arc punching device and the material pushing device are arranged on the arc punching bases, so that the arc punching work can be simultaneously carried out on two ends of the pipe fitting, the problem that the existing arc punching machine needs to be stopped to turn the pipe fitting to carry out the other arc punching work after one end of the pipe fitting is punched is changed, and the work efficiency is improved; the infrared measurement light curtain sensor is arranged, and the infrared measurement light curtain sensor is utilized to control the start and stop of the first servo motor, so that the distance between the two arc punching bases can be controlled, the arc punching machine can automatically adapt to the arc punching work of pipe fittings with different lengths, the application range is expanded, the adjustment process can be automatically carried out, manual adjustment is not needed, and the adjustment is facilitated; the pushing device arranged on one side of the automatic arc punching device can automatically push down the finished pipe fitting product with good arc punching, manual blanking is not needed, and labor intensity is reduced; simultaneously, through being provided with feed divider, storage frame and material loading platform in the material loading frame, utilize feed divider to raise one pipe fitting on the storage frame voluntarily and stretch to the material loading bench to the interact between pipe fitting and the pipe fitting can not appear, thereby further made things convenient for the use, reduced intensity of labour. In addition, the utility model also supports and guides the movement of the arc-buffering push rod and the arc-buffering knife by the moving channel and the buffer groove arranged in the mounting seat, thereby preventing the arc-buffering displacement and further improving the arc-buffering effect; the buffer groove can avoid the phenomenon that the arc punching knife is damaged due to overlarge impact force with the mounting seat when the arc punching knife is reset, so that the service life is prolonged; by arranging the positioning barrel, the infrared sensor is arranged on the positioning barrel, and the through hole is formed in the middle of the feeding rod in a matching mode, the pipe fitting can be accurately fed to the position of the positioning feeding device and the axis of the arc punching cutter on the same horizontal line, so that the arc punching precision is improved, and the arc punching effect is further improved; the detection groove is formed in the material distributing rod, the pressure sensor is arranged in the detection groove, and the pressure sensor can be used for detecting whether the pipe fitting exists on the material distributing rod or not, so that an operator can supplement the pipe fitting in time, and the working efficiency is improved; by arranging the first electromagnet and the second electromagnet and changing the direction of current passing through the second electromagnet, the direction of a magnetic field generated by the second electromagnet can be changed, and further the quality of the whole device can be lowered as far as possible on the basis of clamping and loosening; by arranging the limiting plate and the travel switch, the phenomenon that the feeding humus moves over the head to cause damage to the device can be avoided, and the service life is further prolonged; by arranging the photosensitive sensor, whether the pipe is pushed down or not can be judged in time, so that the compactness of the whole process is improved, and the working efficiency can be further improved; the arc-shaped limiting pipes are arranged at the two end parts of each sliding guide pipe, so that the pipe fitting can be prevented from falling off due to too high falling speed in the blanking process, and the waste of the pipe fitting is avoided; the storage capacity of the blanking frame can be increased, so that the frequency of blanking operation is reduced; through last couple of sense on be provided with a plurality of evenly distributed's fixing base, utilize the fixing base can stabilize the pipe fitting, prevent that it from dropping and causing harm and waste, but also can conveniently snatch. Therefore, the utility model discloses not only can improve work efficiency, still have application scope wide, adjust convenient, convenient to use, low in labor strength, long service life, the unrestrained rate of material is low, low in production cost and the effectual advantage of arc rush.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is a side view of the loading frame;

FIG. 3 is a top view of the arc chute;

FIG. 4 is a schematic view of the internal structure of the mounting base;

fig. 5 is a partially enlarged view of a portion a in fig. 1.

The labels in the figures are: 1-arc punching frame, 2-infrared measuring light curtain sensor, 3-slide rail, 4-first servo motor, 5-ball screw, 6-arc punching base, 7-automatic arc punching device, 8-material pushing device, 9-blanking device, 10-feeding frame, 11-material storage frame, 12-feeding table, 13-material dividing device, 14-material feeding device, 15-mounting seat, 16-arc punching oil cylinder, 17-arc punching push rod, 18-arc punching knife, 19-moving channel, 20-buffer groove, 21-buffer pad, 22-positioning frame, 23-positioning cylinder, 24-infrared sensor, 25-material dividing bottom plate, 26-material dividing cylinder, 27-material dividing rod, 28-detection groove and 29-pressure sensor, 30-feeding plate, 31-electric slide rail, 32-feeding seat, 33-feeding rod, 34-clamping seat, 35-sliding groove, 36-first electromagnet, 37-clamping plate, 38-second electromagnet, 39-moving limiting plate, 40-travel switch, 41-through hole, 42-pushing cylinder, 43-pushing plate, 44-arc groove, 45-photosensitive sensor, 46-blanking frame, 47-first support, 48-second support, 49-sliding guide pipe, 50-arc limiting pipe, 51-feeding rod, 52-fixed seat, 53-second servo motor and 54-lifting cylinder.

Detailed Description

The following description is made with reference to the accompanying drawings and examples, but not to be construed as limiting the invention.

Examples are given. The full-automatic double-end arc punching machine is shown in figures 1 to 5 and comprises an arc punching frame 1, wherein an infrared measurement light curtain sensor 2 is arranged on the surface of the arc punching frame 1; two sides of the infrared measurement light curtain sensor 2 are both provided with slide rails 3, and two first servo motors 4 which are symmetrically distributed are arranged between the two slide rails 3; each first servo motor 4 is connected with a ball screw 5, and each ball screw 5 is connected with an arc punching base 6; an automatic arc punching device 7 is arranged on the surface of each arc punching base 6, and a material pushing device 8 is arranged on one side of each automatic arc punching device 7; a blanking device 9 is arranged on one side of the arc punching frame 1, and a feeding frame 10 is arranged on the other side of the arc punching frame; an inclined storage rack 11 is arranged in the feeding frame 10, and one end part of the storage rack 11 is connected with a feeding table 12; a material distributing device 13 is arranged between the feeding table 12 and the material storage rack 11; a feeding device 14 is arranged on the top surface of the feeding frame 10; the infrared measurement light curtain sensor 2 is electrically connected with the first servo motor 4.

The automatic arc striking device 7 comprises a mounting seat 15, and an arc striking oil cylinder 16 is arranged on one side surface of the mounting seat 15; an arc punching push rod 17 is connected to the arc punching oil cylinder 16, and one end of the arc punching push rod 17 is connected with an arc punching knife 18; a moving channel 19 is arranged on the mounting seat 15 at a position corresponding to the arcing push rod 17, and one end of the moving channel 19 is connected with a buffer groove 20; a buffer pad 21 is annularly arranged on the bottom surface of the buffer groove 20; the arc punching knife 18 is arranged in the buffer groove 20; one side of the arc striking oil cylinder 16 is provided with a positioning frame 22, and the top end part of the positioning frame 22 is provided with a positioning cylinder 23; an infrared sensor 24 is arranged on one side surface of the positioning cylinder 23; the material distributing device 13 comprises a material distributing bottom plate 25, and a material distributing cylinder 26 is arranged on the surface of the material distributing bottom plate 25; the material distributing cylinder 26 is connected with a material distributing rod 27, and the middle part of the top surface of the material distributing rod 27 is provided with a detection groove 28; a pressure sensor 29 is arranged in the detection groove 28, and the pressure sensor 29 is electrically connected with the material distribution cylinder 26; the feeding device 14 comprises a feeding plate 30 fixed on the top surface of the feeding frame 10, and an electric slide rail 31 is arranged on one side surface of the feeding plate 30; the electric slide rail 31 is provided with a feeding seat 32, and the feeding seat 32 is provided with a lifting cylinder 54; the lifting cylinder 54 is connected with a feeding rod 33, and the bottom end part of the feeding rod 33 is provided with a clamping seat 34; a sliding groove 35 is formed in the bottom surface of the clamping seat 34, and first electromagnets 36 are arranged on two side walls of the sliding groove 35; two symmetrically distributed clamping plates 37 are arranged in the sliding groove 35, and the top end part of each clamping plate 37 is provided with a second electromagnet 38; the first electromagnet 36 and the second electromagnet 38 are both electrically connected with the infrared sensor 24; the two end parts of the electric slide rail 31 are respectively provided with a movable limiting plate 39, and one side surface of each movable limiting plate 39 is provided with a travel switch 40; the electric slide rail 31 is electrically connected with the travel switch 40; a through hole 41 is formed in the middle of the feeding rod 33, and the circle center of the through hole 41 and the circle center of the positioning barrel 23 are on the same horizontal line; the material pushing device 8 comprises a material pushing cylinder 42, and a material pushing plate 43 is connected to the material pushing cylinder 42; an arc-shaped groove 44 is formed in the middle of the material pushing plate 43, and a photosensitive sensor 45 is arranged on the inner bottom surface of the arc-shaped groove 44; the photosensitive sensor 45 is electrically connected with the material pushing cylinder 42; the blanking device 9 comprises a blanking frame 46, and a first bracket 47 and a second bracket 48 are respectively arranged at two end parts of the top surface of the blanking frame 46; two sliding guide pipes 49 which are symmetrically distributed are fixedly arranged between the first bracket 47 and the second bracket 48, and arc-shaped limiting pipes 50 are arranged at two end parts of each sliding guide pipe 49; the first bracket 47 is arranged at one end close to the arc punching frame 1, the second bracket 48 is arranged at one end far away from the arc punching frame 1, and the height of the first bracket 47 is greater than that of the second bracket 48; a feeding rod 51 is arranged on the feeding table 12, and a plurality of uniformly distributed V-shaped fixed seats 52 are arranged on the surface of the feeding rod 51; one end of the feeding rod 51 is connected to a second servo motor 53.

The working principle is as follows: the infrared measurement light curtain sensor 2 used in the utility model adopts models of MYD512A, MYD768A or HCR10-20URX5025 and the like; the infrared sensor 24 is of PIS209, LHI878 or SE2470 type; the pressure sensor 29 adopts PX309-200A5V, PXM600MU-350 BARLV or PXM600MU-70 BARLV and other models; the photosensitive sensor 45 is of a type of LXD/GB5-AIE, LXD/GB3-A1DPS or LS560 or the like.

When the device works, the whole machine is firstly connected with an external power supply, so that the infrared measurement light curtain sensor 2, the infrared sensor 24, the pressure sensor 29 and the photosensitive sensor 45 are automatically started, then the metal pipe to be subjected to arc striking is placed on the storage rack 11, because the storage rack 11 is arranged in an inclined manner, the metal pipe closest to the material dividing device 13 moves onto the material dividing rod 27, the pressure sensor 29 in the detection groove 28 detects the pressure value, the pressure sensor 29 sends an electric signal to a controller (the controller is positioned on the side surface of the arc striking rack 1 and adopts FX2C-20MRD, Cortex-R8 or Cortex-M7 and other programmable controllers) to control the material dividing cylinder 26 to be started, the material dividing cylinder 26 drives the material dividing rod 27 to move upwards after being started, and the material dividing rod 27 pushes the metal pipe to move upwards when moving upwards, then, the second servo motor 53 is started in the forward direction, the second servo motor 53 drives the feeding rod 51 to rotate after being started, the feeding rod 51 rotates to drive the fixing seat 52 to rotate, so that the opening of the fixing seat 52 faces the material distributing rod 27, when the material distributing rod 57 pushes the metal pipe to be fed, when the material distributing rod 27 is parallel to the top surface of the fixing seat 52, the metal pipe automatically falls onto the fixing seat 52, at the moment, the pressure sensor 29 cannot detect a pressure value, and the controller controls the second servo motor 53 to rotate in the reverse direction in advance, so that the opening of the fixing seat 52 faces the feeding device 14 in the forward direction; the feed cylinder 26 is controlled to stop so that the feed rod 27 returns to the initial position.

After the metal pipe moves onto the fixed seat 52, the controller firstly controls the lifting cylinder 54 to start, the lifting cylinder 54 drives the feeding rod 33 to move downwards after being started, the feeding rod 33 moves downwards to drive the clamping plate 37 to move downwards together, so that the clamping plate 37 is parallel to the fixed seat 52, then the second electromagnet 38 is connected with a positive power supply, the two second electromagnets are attracted to each other, the two clamping plates 37 are drawn close to each other, and the metal pipe is clamped from the fixed seat 52; then the lifting cylinder 54 is controlled to be closed, and after the lifting cylinder 54 is closed, the feeding rod 33 drives the clamping plate 37 to move upwards, so that the metal pipe is separated from the fixed seat 52; then the controller controls the electric slide rail 31 to start in the positive direction, and the electric slide rail 31 can drive the feeding seat 32 to move in the positive direction of the automatic arc punching device 7 after starting, so that the clamping plate 37 transports the metal tube to the positive direction of the automatic arc punching device 7.

When the metal pipe moves to the positive direction of the automatic arc-striking device 7, the light on the infrared sensor 24 just passes through the through hole 41, so that the electric property of the infrared sensor 24 is good, and the magnet controller controls the electric slide rail 31 to stop; meanwhile, the infrared measurement light curtain sensor 2 measures the length of the metal tube, controls the starting time of the first servo motor 4 according to the measured data, and then controls the starting of the first servo motor 4; after the first servo motor 4 is started, the ball screw 5 can be driven to rotate, the ball screw 5 can drive the arc striking bases 6 to move together, so that the two arc striking bases 6 are close to each other, and after the first servo motor 4 is stopped, the distance between the two arc striking bases 6 is just the same as the measured length of the metal pipe; then the controller controls the lifting cylinder 54 to start again, the lifting cylinder 54 drives the feeding rod 33 to move downwards after being started, and the feeding rod 33 moves downwards to drive the clamping plate 37 to move downwards together, so that the clamping plate 37 is parallel to the arc-striking knife 18; then controlling the arc punching oil cylinder 16 to start, driving the arc punching push rod 17 to move after the arc punching oil cylinder 16 is started, and driving the arc punching cutter 18 to move after the arc punching push rod 17 moves, so that the arc punching cutter 18 performs arc punching work on two ends of the metal pipe; simultaneously, the lifting cylinder 54 is controlled to be closed, the second electromagnet 38 is connected with a reverse power supply, the first electromagnet 36 is connected with a forward power supply, so that the two second electromagnets are mutually repelled, the first electromagnet 36 and the second electromagnet 38 are mutually attracted, the two clamping plates 37 are mutually separated, and the metal pipe is loosened; after the lifting cylinder 54 is closed, the feeding rod 33 drives the clamping plate 37 to move upwards to move the lifting cylinder 54 for a period of time, and then the electric slide rail 31 is controlled to start reversely, so that the feeding device 14 returns to the initial position.

After the arc punching work is finished, the controller firstly controls the arc punching oil cylinder 16 to stop, and after the arc punching oil cylinder 16 stops, the arc punching push rod 17 drives the arc punching cutter 18 to return to the buffer groove 20; then, the material pushing cylinder 42 is controlled to be started, the material pushing cylinder 42 drives the material pushing plate 43 to move towards the blanking device 9 after being started, and the processed metal pipe is pushed onto the blanking device 9 by the material pushing plate 43; because the setting of the spacing pipe 50 of arc, and first support 47 is higher than second support 48 for the tubular metal resonator that the processing is good can be under the effect down gliding, thereby make the tubular metal resonator can Europe automatic landing to the slip stand pipe 49 on, accomplish the unloading work.

Claims

1. Full-automatic double-end arc punching machine, its characterized in that: comprises an arc punching frame (1), wherein an infrared measurement light curtain sensor (2) is arranged on the surface of the arc punching frame (1); two sides of the infrared measurement light curtain sensor (2) are respectively provided with a sliding rail (3), and two first servo motors (4) which are symmetrically distributed are arranged between the two sliding rails (3); each first servo motor (4) is connected with a ball screw (5), and each ball screw (5) is connected with an arc punching base (6); an automatic arc punching device (7) is arranged on the surface of each arc punching base (6), and a material pushing device (8) is arranged on one side of each automatic arc punching device (7); a blanking device (9) is arranged on one side of the arc punching frame (1), and a feeding frame (10) is arranged on the other side of the arc punching frame; an inclined storage rack (11) is arranged in the feeding frame (10), and one end part of the storage rack (11) is connected with a feeding platform (12); a material distributing device (13) is arranged between the feeding table (12) and the material storage rack (11); a feeding device (14) is arranged on the top surface of the feeding frame (10); the infrared measurement light curtain sensor (2) is electrically connected with the first servo motor (4).

2. The full-automatic double-end arc striking machine of claim 1, wherein: the automatic arc striking device (7) comprises a mounting seat (15), and an arc striking oil cylinder (16) is arranged on one side surface of the mounting seat (15); an arc punching push rod (17) is connected to the arc punching oil cylinder (16), and one end of the arc punching push rod (17) is connected with an arc punching knife (18); a moving channel (19) is arranged on the mounting seat (15) at a position corresponding to the arcing push rod (17), and one end part of the moving channel (19) is connected with a buffer groove (20); a buffer pad (21) is annularly arranged on the bottom surface of the buffer groove (20); the arc punching knife (18) is arranged in the buffer groove (20); one side of the arc striking oil cylinder (16) is provided with a positioning frame (22), and the top end part of the positioning frame (22) is provided with a positioning cylinder (23); an infrared sensor (24) is arranged on one side surface of the positioning cylinder (23).

3. The full-automatic double-end arc striking machine of claim 1, wherein: the material distributing device (13) comprises a material distributing bottom plate (25), and a material distributing cylinder (26) is arranged on the surface of the material distributing bottom plate (25); the material distributing cylinder (26) is connected with a material distributing rod (27), and the middle part of the top surface of the material distributing rod (27) is provided with a detection groove (28); a pressure sensor (29) is arranged in the detection groove (28), and the pressure sensor (29) is electrically connected with the material distribution cylinder (26).

4. The full-automatic double-end arc striking machine of claim 2, wherein: the feeding device (14) comprises a feeding plate (30) fixed on the top surface of the feeding frame (10), and an electric sliding rail (31) is arranged on one side surface of the feeding plate (30); a feeding seat (32) is arranged on the electric sliding rail (31), and a lifting cylinder (54) is arranged on the feeding seat (32); the lifting cylinder (54) is connected with a feeding rod (33), and the bottom end part of the feeding rod (33) is provided with a clamping seat (34); a sliding groove (35) is formed in the bottom surface of the clamping seat (34), and first electromagnets (36) are arranged on two side walls of the sliding groove (35); two symmetrically distributed clamping plates (37) are arranged in the sliding groove (35), and the top end part of each clamping plate (37) is provided with a second electromagnet (38); the first electromagnet (36) and the second electromagnet (38) are both electrically connected with the infrared sensor (24).

5. The full-automatic double-end arc striking machine of claim 4, wherein: the two end parts of the electric slide rail (31) are respectively provided with a movable limiting plate (39), and one side surface of each movable limiting plate (39) is provided with a travel switch (40); the electric slide rail (31) is electrically connected with the travel switch (40); the middle part of the feeding rod (33) is provided with a through hole (41), and the circle center of the through hole (41) and the circle center of the positioning barrel (23) are positioned on the same horizontal line.

6. The full-automatic double-end arc striking machine of claim 1, wherein: the material pushing device (8) comprises a material pushing cylinder (42), and a material pushing plate (43) is connected to the material pushing cylinder (42); an arc-shaped groove (44) is formed in the middle of the material pushing plate (43), and a photosensitive sensor (45) is arranged on the inner bottom surface of the arc-shaped groove (44); the photosensitive sensor (45) is electrically connected with the material pushing cylinder (42).

7. The full-automatic double-end arc striking machine of claim 1, wherein: the blanking device (9) comprises a blanking frame (46), and a first bracket (47) and a second bracket (48) are respectively arranged at two end parts of the top surface of the blanking frame (46); two sliding guide pipes (49) which are symmetrically distributed are fixedly arranged between the first bracket (47) and the second bracket (48), and arc-shaped limiting pipes (50) are arranged at two end parts of each sliding guide pipe (49); the first support (47) is arranged at one end close to the arc punching frame (1), the second support (48) is arranged at one end far away from the arc punching frame (1), and the height of the first support (47) is larger than that of the second support (48).

8. The fully automatic double-ended arc striking machine according to any one of claims 1 to 7, characterized in that: a feeding rod (51) is arranged on the feeding table (12), and a plurality of uniformly distributed V-shaped fixed seats (52) are arranged on the surface of the feeding rod (51); one end of the feeding rod (51) is connected with a second servo motor (53).