CN116174567B

CN116174567B - Automatic bar machining equipment and machining method

Info

Publication number: CN116174567B
Application number: CN202310448098.6A
Authority: CN
Inventors: 胡小华; 胡理华; 何宏光; 戴欢平; 汪崇阳; 陈道总; 汪东敏
Original assignee: Qijing Machinery Co Ltd
Current assignee: Qijing Machinery Co Ltd
Priority date: 2023-04-24
Filing date: 2023-04-24
Publication date: 2023-08-29
Anticipated expiration: 2043-04-24
Also published as: CN116174567A

Abstract

The invention provides automatic bar processing equipment and a processing method, which belong to the technical field of automatic equipment and comprise the following steps: the die holder comprises a lower die holder and an upper die holder; the feeding piece is fixedly arranged on the lower die holder, and two ends of the feeding piece are respectively provided with a feeding hole and a discharging hole; the material cutting piece is movably arranged adjacent to the discharge hole; the pushing rod is movably arranged on the lower die holder; the turnover mechanism comprises a turnover block, and the turnover block is rotatably arranged on the lower die holder; the processing station is arranged on the lower die holder; the punching head is arranged on the upper die holder and can be lifted along with the upper die holder. The invention has the beneficial effects that: through this bar automatic processing equipment, can realize processes such as automatic cutout, automatic processing shaping of raw and other materials bar, not only greatly increased work efficiency to can also practice thrift costs such as manpower.

Description

Automatic bar machining equipment and machining method

Technical Field

The invention belongs to the technical field of automatic equipment, and particularly relates to automatic bar processing equipment and a processing method.

Background

Many of the current products (e.g., drive shafts, etc.) are manufactured from bar stock, which is purchased from the raw material manufacturer in very long lengths, and thus require various processing steps on these initial bar stock to form a correspondingly shaped product.

In the prior art, the processing is carried out through a plurality of processing devices, wherein the processing comprises the steps of cutting an original bar, respectively punching the cut bar in different devices, and the like, and finally processing the bar into a final product. Therefore, the existing processing method is low in efficiency and high in processing cost.

Disclosure of Invention

The invention aims to solve the problems in the prior art and provides automatic bar processing equipment and a processing method.

The aim of the invention can be achieved by the following technical scheme: an automatic bar stock processing apparatus comprising:

the die holder comprises a lower die holder and an upper die holder, wherein the upper die holder is connected with the lower die holder in a lifting manner;

the feeding piece is fixedly arranged on the lower die holder, and two ends of the feeding piece are respectively provided with a feeding hole for a bar to be processed to enter and a discharging hole for the bar to be processed to extend out;

the cutting piece is movably arranged adjacent to the discharge hole, and can cut a bar to be processed extending from the discharge hole into a segment bar when moving;

the pushing rod is movably arranged on the lower die holder and is used for pushing the cut material piece to cut and mold the segment-shaped bar stock;

the turnover mechanism comprises a turnover block, the turnover block is rotatably arranged on the lower die holder and comprises a receiving hole, the turnover block can rotate to a receiving position or a discharging position, when the turnover block rotates to the receiving position, the receiving hole faces the pushing rod, and the pushing rod can push a segment bar to be inserted into the receiving hole;

the processing station is used for processing the section bar stock and is arranged on the lower die holder;

the manipulator is arranged on the lower die holder in a lifting manner and in a movable manner, and can clamp the segment-shaped bar stock in the material receiving hole of the overturning block and place the segment-shaped bar stock in the processing station after the overturning block rotates to the discharging position;

the punching head is arranged on the upper die seat and can be lifted along with the upper die seat, the punching head faces the processing station, and the punching head can move and punch towards the processing station so as to process the segment-shaped bar into bar stock with a corresponding shape.

Preferably, the number of the processing stations is at least two, each processing station is arranged in a straight line sequentially, the distances between the processing stations are the same, the number of the punching heads is the same as the number of the processing stations and corresponds to the processing stations one by one, the number of the manipulators is one more than the number of the processing stations, one manipulator is arranged above the overturning block, and the other manipulators are arranged above the processing stations one by one.

Preferably, the automatic cutting machine further comprises a first driving assembly for driving the blanking piece to move, wherein the first driving assembly comprises a lifting block and a rolling bearing, the lifting block is arranged on the lower die holder in a lifting manner, the rolling bearing is in linkage connection with the lifting block, the blanking piece is in linkage connection with the rolling bearing, and the lifting block is in a wedge shape with a narrow end facing downwards;

when the upper die holder moves towards the lower die holder, the upper die holder can be in abutting connection with the lifting block and drive the lifting block to descend so as to drive the blanking piece to move.

Preferably, the turnover mechanism further comprises a second driving assembly for driving the turnover block to rotate, the second driving assembly comprises a driving cylinder, a rack and a gear, the rack is connected with the driving cylinder in a linkage mode, the tooth part of the rack is meshed with the gear, and the turnover block further comprises a driving shaft, and the driving shaft penetrates through the gear and is connected with the gear in a linkage mode.

Preferably, the device further comprises ejector rods for ejecting the bars in the processing stations, the number of the ejector rods is the same as that of the processing stations, the ejector rods face to the processing stations in a one-to-one correspondence mode, and the ejector rods are in linkage connection with the upper die base.

Preferably, the cutting device further comprises a guide plate for guiding the cut segment bar stock to the position opposite to the pushing rod, wherein the guide plate is arranged adjacent to the cutting piece.

Preferably, the bar stock processing device further comprises a sensor for detecting the extending distance of the bar stock to be processed from the discharge hole, and the sensor faces the discharge hole.

Preferably, the blanking member is provided with a blanking hole, and the blanking member can be moved to a feeding position or a shearing position;

when the blanking member moves to the feeding position, the blanking hole is opposite to the discharging hole of the feeding member;

when the blanking piece moves to the shearing position, the blanking hole and the discharge hole are arranged in a staggered mode, so that the bar to be processed, which extends out of the discharge hole, is sheared into segment bar through shearing force.

Preferably, the bar stock processing device further comprises a blanking plate for conveying out the processed bar stock, wherein the blanking plate is arranged adjacent to the processing station of the last procedure.

Secondly, a processing method is also provided, which is applied to the automatic bar processing equipment, and comprises the following steps:

s1: firstly, a blanking member moves to a feeding position so that a blanking hole is opposite to a discharge hole of the feeding member, then a bar to be processed enters from the feed hole of the feeding member, and then extends out of the blanking hole until the bar to be processed is in abutting connection with a sensor;

s2: the sensor transmits signals to the blanking piece, and the blanking piece moves to a shearing position so as to shear the bar to be processed into a segment bar;

s3: the segmented bar is rolled to a position opposite to the material pushing rod through the guide plate, then the second driving assembly drives the overturning block to rotate to a material receiving position, the material pushing rod moves to insert the segmented bar into a material receiving hole of the overturning block, and then the second driving assembly drives the overturning block to rotate to a material discharging position;

s4: each manipulator synchronously acts, a first manipulator clamps the segment-shaped rod material of the material receiving hole into a first processing station, the rest manipulators sequentially move the bar materials in each processing station backwards by one processing station, the finished bar material of the last processing station leaves the device through a blanking plate, and then the manipulators are reset to an initial position;

s5: each punching head moves towards the processing station along with the upper die base so as to process the segment-shaped bar stock in each processing station;

s6: and repeating the actions of the steps S4 and S5 until the processing is completed.

Compared with the prior art, the invention has the beneficial effects that:

1. the automatic bar stock processing equipment can realize the working procedures of automatic cutting, automatic processing and forming and the like of raw material bar stock, thereby greatly increasing the working efficiency and saving the cost of manpower and the like; 2. the processing stations, the mechanical arms and the punching heads are arranged in a plurality, and the specific arrangement quantity can be set according to the number of working procedures required by the final forming of the actual bar stock, so that the automation of equipment can be further increased; 3. the second driving assembly comprises a driving air cylinder, a rack and a gear, and the rotation of the overturning block is realized through the second driving assembly, so that compared with the rotating air cylinder, the cost is lower; 4. when the upper die holder rises, the ejector rod can be driven to rise, and the bar can be ejected out of the processing station by the rising of the ejector rod, so that the bar can be conveniently grasped by a manipulator, and the processing efficiency is further improved; 5. the guide plate is arranged and inclines towards the direction of the pushing rod, and the bar stock can be accurately moved to the position facing the pushing rod through the guide plate after being cut off by the blanking piece every time, so that the processing efficiency can be further improved; 6. when the bar to be processed stretches out of the discharge hole by a certain distance, the sensor is touched, the bar to be processed stops stretching out at the moment, and then the blanking piece starts to work to cut off the bar to be processed, so that the length of the cut-off segment bar is ensured to be the same, and the processing accuracy is improved.

Drawings

Fig. 1 is a schematic structural view of the automatic bar stock processing apparatus of the present invention.

Fig. 2 is a schematic view of the structure of the feeding portion of the bar stock automatic processing apparatus of the present invention.

Fig. 3 is a schematic view of the structure of the feeding and blanking positions of the automatic bar stock processing device of the present invention.

Fig. 4 is a top view of the feed and blanking station structure of the bar stock automated processing equipment of the present invention.

Fig. 5 is a cross-sectional view A-A of fig. 4.

Fig. 6 is a schematic structural view of the turning block of the bar stock automatic processing apparatus of the present invention in the stock receiving position.

Fig. 7 is an enlarged view of a portion B of fig. 6.

Fig. 8 is a schematic view of the structure of the turning block of the bar stock automatic processing apparatus of the present invention in the discharge position.

Fig. 9 is an enlarged view of a portion C of fig. 8.

Fig. 10 is an isometric view of the tilting mechanism of the bar stock automated processing apparatus of the present invention.

Fig. 11 is an isometric view of the bar stock automated processing equipment of the present invention.

Fig. 12 is a schematic view of the bar stock of the present invention after being formed at a first processing station.

Fig. 13 is a schematic view of the bar stock of the present invention after being formed at the second processing station.

Fig. 14 is a schematic view of the bar stock of the present invention after being formed at a third processing station.

In the figure, 110, the lower die holder; 120. an upper die holder; 200. a feed member; 210. a feed inlet; 220. a discharge port; 300. a blanking piece; 310. cutting a material hole; 400. a pushing rod; 500. a turnover mechanism; 510. a turnover block; 511. a receiving hole; 512. a drive shaft; 520. a second drive assembly; 521. a driving cylinder; 522. a rack; 523. a gear; 600. a processing station; 700. a manipulator; 800. a blanking head; 900. a first drive assembly; 910. a lifting block; 920. a rolling bearing; 1000. a push rod; 1100. a guide plate; 1200. a sensor; 1300. a blanking plate; 1410. a first bar stock; 1420. a second bar stock; 1430. and (5) obtaining a finished bar stock.

Detailed Description

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

As shown in fig. 1-3 and 6-11, an automatic bar stock processing apparatus includes: the automatic bar stock processing device comprises a die holder, a feeding piece 200, a cutting piece 300, a pushing rod 400, a turnover mechanism 500, a processing station 600, a manipulator 700 and a punching head 800, wherein the die holder is of a frame structure of the whole device, other mechanisms are all carried on the die holder, the feeding piece 200 is used for enabling bars to be processed to enter the automatic bar stock processing device, the cutting piece 300 is used for cutting long bars to be processed into bars with sections, the processing station 600 and the punching head 800 are used for processing the sections of bars into corresponding shapes, and the manipulator 700 is used for moving the bars.

Specifically, the die holder includes a lower die holder 110 and an upper die holder 120, and the upper die holder 120 is connected with the lower die holder 110 in a liftable manner; the feeding piece 200 is fixedly arranged on the lower die holder 110, and two ends of the feeding piece 200 are respectively provided with a feeding hole 210 for a bar to be processed to enter and a discharging hole 220 for the bar to be processed to extend out; the blanking member 300 is movably arranged adjacent to the discharge hole 220, and when the blanking member 300 moves, the bar to be processed, which extends out of the discharge hole 220, can be sheared into segment bar stock; the pushing rod 400 is movably arranged on the lower die holder 110, and the pushing rod 400 is used for pushing the cut piece 300 to cut and form a segment-shaped bar stock; the turning mechanism 500 includes a turning block 510, the turning block 510 is rotatably disposed on the lower die holder 110, the turning block 510 includes a receiving hole 511, the turning block 510 can be rotated to a receiving position (a position shown in fig. 6 and 7) or a discharging position (a position shown in fig. 8 and 9), when the turning block 510 is rotated to the receiving position, the receiving hole 511 faces the pushing rod 400, and the pushing rod 400 can push the segment bar to be inserted into the receiving hole 511; the processing station 600 is arranged on the lower die holder 110; the manipulator 700 is arranged on the lower die holder 110 in a liftable and movable manner, and after the turning block 510 rotates to the discharging position, the manipulator 700 can clamp the segment-shaped bar stock in the material receiving hole 511 of the turning block 510 and place the segment-shaped bar stock in the processing station 600; the punch head 800 is disposed on the upper die holder 120 and can be lifted along with the upper die holder 120, the punch head 800 faces the processing station 600, and the punch head 800 can move and punch towards the processing station 600 to process the segment bar into bar with corresponding shape.

It should be noted that, firstly, an operator puts a long bar to be processed from the feed port 210 of the feed member 200, then continues to apply force to enable the end of the bar to be processed to protrude from the discharge port 220 of the feed member 200, then the blanking member 300 starts to move, and the blanking member 300 moves towards the direction perpendicular to the bar to be processed, so that a section of the bar to be processed protruding from the discharge port 220 can be cut off by shearing force, then the pushing rod 400 starts to act to insert the section of bar into the receiving hole 511 of the turning block 510, then the turning block 510 drives the section of bar to rotate to a discharge position (as shown in fig. 8 and 9), then the manipulator 700 descends to clamp the section of bar and put it into the processing station 600, and then the punching head 800 moves towards the lower die holder 110 along with the upper die holder 120, so that the section of bar in the processing station 600 is punched to form the section of bar into a corresponding shape.

It should be noted that, through this bar automatic processing equipment, can realize processes such as automatic cutout, automatic processing shaping of raw and other materials bar, the operating personnel only need put into raw and other materials bar from the feed inlet 210 of feed piece 200, and this bar automatic processing equipment has not only greatly increased work efficiency to can also practice thrift the cost such as manpower.

Further, as shown in fig. 1 and 11, the number of processing stations 600 is at least two, each processing station 600 is sequentially arranged in a straight line, the distances between the processing stations 600 are the same, the number of the punching heads 800 is the same as the number of the processing stations 600 and corresponds to one another, the number of the manipulators 700 is one more than the number of the processing stations 600, one manipulator 700 is arranged above the overturning block 510, and the other manipulators 700 are arranged above each processing station 600 in a one-to-one correspondence.

The number of processing stations 600, the robot 700, and the punch 800 may be plural, and the specific number of settings may be set according to the number of processes required for final molding of the actual bar, so that the automation of the apparatus may be further increased.

As shown in fig. 1, 9, and 11 to 14, in the present embodiment, the number of processing stations 600 and the number of punching heads 800 are all set to three, and the number of manipulators 700 is set to four.

The segment-shaped bar stock may be processed into a first bar stock 1410 (shown in fig. 12) in the first processing station 600, the first bar stock 1410 may be processed into a second bar stock 1420 (shown in fig. 13) in the second processing station 600, and the second bar stock 1420 may be processed into a finished bar stock 1430 (shown in fig. 14) in the third processing station 600.

It should be further noted that, the four manipulators 700 are operated synchronously, that is, the four manipulators 700 can clamp the segment-shaped rod material in the material receiving hole 511 of the turning block 510 into the first processing station 600 at the same time after one operation, clamp the first rod material 1410 in the first processing station 600 into the second processing station 600, clamp the second rod material 1420 in the second processing station 600 into the third processing station 600, and convey the finished rod material 1430 in the third processing station 600.

As shown in fig. 1 to 5, the blanking device further comprises a first driving assembly 900 for driving the blanking device 300 to move, wherein the first driving assembly 900 comprises a lifting block 910 and a rolling bearing 920, the lifting block 910 is arranged on the lower die holder 110 in a lifting manner, the rolling bearing 920 is in linkage connection with the lifting block 910, the blanking device 300 is in linkage connection with the rolling bearing 920, and the lifting block 910 is in a wedge shape with a narrow end facing downwards;

when the upper die holder 120 moves toward the lower die holder 110, the upper die holder 120 may be in abutting connection with the lifting block 910 and drive the lifting block 910 to descend so as to drive the blanking member 300 to move.

It should be noted that, a return spring (not shown) is further disposed below the lifting block 910, when the upper die holder 120 descends to drive the lifting block 910 to move downward, the lifting block 910 compresses the return spring, and when the upper die holder 120 ascends to the initial position, the lifting block 910 can return to the initial position by the elasticity of the return spring, so that the blanking member 300 can perform the next shearing.

As shown in fig. 1 and fig. 6-10, the turnover mechanism 500 further includes a second driving assembly 520 for driving the turnover block 510 to rotate, the second driving assembly 520 includes a driving cylinder 521, a rack 522 and a gear 523, the rack 522 is connected with the driving cylinder 521 in a linkage manner, a tooth portion of the rack 522 is meshed with the gear 523, the turnover block 510 further includes a driving shaft 512, and the driving shaft 512 is penetrated through the gear 523 and is connected with the gear 523 in a linkage manner.

In the actual action process, the driving cylinder 521 drives the rack 522 to move, the rack 522 moves to drive the gear 523 to rotate, and the driving shaft 512 of the turning block 510 is connected with the gear 523 in a linkage manner, so that the gear 523 rotates to drive the turning block 510 to rotate, and the turning block 510 can rotate to the material receiving position or the material discharging position.

It should be noted that the second driving assembly 520 includes a driving cylinder 521, a rack 522, and a gear 523, and the rotation of the flipping block 510 is achieved by the second driving assembly 520, which is less costly than the rotating cylinder.

As shown in fig. 1 and 11, the automatic bar processing device is further provided with ejector rods 1000 for ejecting bars in the processing stations 600, the number of the ejector rods 1000 is the same as that of the processing stations 600, each ejector rod 1000 faces each processing station 600 in a one-to-one correspondence manner, and each ejector rod 1000 is in linkage connection with the upper die base 120.

It should be noted that, when the upper die holder 120 rises, the ejector rod 1000 can be driven to rise, and the ejector rod 1000 rises to eject the bar material out of the processing station 600, so that the manipulator 700 can be conveniently grabbed, and the processing efficiency is further increased.

As shown in fig. 1 and 6-9, the automatic bar stock processing apparatus is further provided with a guide plate 1100 for guiding the cut segment bar stock of the blank 300 to a position opposite to the pushing rod 400, wherein the guide plate 1100 is disposed adjacent to the blank 300.

It should be noted that, the guide plate 1100 is provided and the guide plate 1100 is inclined toward the pushing rod 400, and each time the bar stock is cut by the blanking member 300, the bar stock can be precisely moved to a position toward the pushing rod 400 by the guide plate 1100, so that the processing efficiency can be further increased.

As shown in fig. 1-3, the bar stock automatic processing apparatus is further provided with a sensor 1200 for detecting the extending distance of the bar stock to be processed from the discharge port 220, the sensor 1200 being directed toward the discharge port 220.

It should be noted that, when the bar to be processed extends from the discharge hole 220 by a certain distance, the bar to be processed will touch the sensor 1200, and the bar to be processed will stop extending at this time, and then the blanking member 300 starts to work to cut off the bar to be processed, so that the lengths of the segment bar cut off each time are ensured to be the same, and the accuracy of processing is improved.

As shown in fig. 1-3, the blanking member 300 is provided with a blanking aperture 310, the blanking member 300 being movable to a feeding position or a cutting position; when the blanking member 300 is moved to the feeding position, the blanking hole 310 is opposite to the discharge opening 220 of the feeding member 200; when the blanking member 300 is moved to the shearing position, the blanking hole 310 is arranged in a staggered manner with respect to the discharge opening 220 so as to shear the bar to be processed, which extends from the discharge opening 220, into a segment-shaped bar by means of shearing force.

It should be noted that, the blanking member 300 is displaced from the discharge hole 220 by the movement of the blanking hole 310, and finally cuts the bar to be processed into a segment bar, so that the structure is simple and reliable, and the cost is further reduced.

As shown in fig. 1-14, there is also provided a processing method applied to the automatic bar stock processing apparatus as described above, comprising the steps of:

s1: firstly, the blanking member 300 is moved to a feeding position so that the blanking hole 310 is opposite to the discharge hole 220 of the feeding member 200, then a bar to be processed enters from the feed hole 210 of the feeding member 200, and then extends out of the blanking hole 310 until the bar to be processed is in abutting connection with the sensor 1200, wherein the abutting connection means that the end of the bar to be processed is in abutting connection with the sensor 1200;

s2: the sensor 1200 transmits a signal to the blanking member 300, and the blanking member 300 is moved to a shearing position so as to shear the bar to be processed into a segment-shaped bar;

s3: the segment bar rolls to a position opposite to the material pushing rod 400 through the guide plate 1100, then the second driving assembly 520 drives the turning block 510 to rotate to a material receiving position, the material pushing rod 400 moves to insert the segment bar into the material receiving hole 511 of the turning block 510, and then the second driving assembly 520 drives the turning block 510 to rotate to a material discharging position;

s4: each manipulator 700 synchronously acts, the first manipulator 700 clamps the segment-shaped bar material of the material receiving hole 511 into the first processing station 600, meanwhile, the rest manipulators 700 sequentially move the bar materials in each processing station 600 backwards by one processing station 600, the finished bar material 1430 of the last processing station 600 leaves the device through the blanking plate 1300, and then the manipulators 700 are reset to the initial position;

s5: each punch head 800 moves along with the upper die base 120 towards the processing station 600 in a punching way so as to process the segment-shaped bar stock in each processing station 600;

s6: and repeating the actions of the steps S4 and S5 until the raw material bar stock is exhausted.

It should be noted that all directional indicators (such as up, down, left, right, front, and rear … …) in the embodiments of the present invention are merely used to explain the relative positional relationship, movement, etc. between the components in a particular posture (as shown in the drawings), and if the particular posture is changed, the directional indicator is changed accordingly.

Furthermore, descriptions such as those referred to herein as "first," "second," "a," and the like are provided for descriptive purposes only and are not to be construed as indicating or implying a relative importance or an implicit indication of the number of features being indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present invention, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.

In the present invention, unless specifically stated and limited otherwise, the terms "connected," "affixed," and the like are to be construed broadly, and for example, "affixed" may be a fixed connection, a removable connection, or an integral body; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.

In addition, the technical solutions of the embodiments of the present invention may be combined with each other, but it is necessary to be based on the fact that those skilled in the art can implement the technical solutions, and when the technical solutions are contradictory or cannot be implemented, the combination of the technical solutions should be considered as not existing, and not falling within the scope of protection claimed by the present invention.

Claims

1. An automatic bar stock processing apparatus, comprising:

the die holder comprises a lower die holder (110) and an upper die holder (120), wherein the upper die holder (120) is connected with the lower die holder (110) in a lifting manner;

the feeding piece (200) is fixedly arranged on the lower die holder (110), and two ends of the feeding piece (200) are respectively provided with a feeding hole (210) for a bar to be processed to enter and a discharging hole (220) for the bar to be processed to extend out;

the blanking piece (300) is movably arranged adjacent to the discharging hole (220), and when the blanking piece (300) moves, bars to be processed, which extend out of the discharging hole (220), can be sheared into segment bars;

the pushing rod (400) is movably arranged on the lower die holder (110), and the pushing rod (400) is used for pushing the cut piece (300) to cut and mold the segment-shaped bar stock;

the turnover mechanism (500), the turnover mechanism (500) comprises a turnover block (510), the turnover block (510) is rotatably arranged on the lower die holder (110), the turnover block (510) comprises a receiving hole (511), the turnover block (510) can rotate to a receiving position or a discharging position, when the turnover block (510) rotates to the receiving position, the receiving hole (511) faces the pushing rod (400), and the pushing rod (400) can push a segment-shaped bar to be inserted into the receiving hole (511);

a processing station (600) for processing a bar stock in a section shape, the processing station (600) being arranged on the lower die holder (110);

the manipulator (700) is arranged on the lower die holder (110) in a lifting and movable manner, and after the overturning block (510) rotates to the discharging position, the manipulator (700) can clamp the segment-shaped bar stock in the material receiving hole (511) of the overturning block (510) and place the segment-shaped bar stock in the processing station (600);

the punching head (800) is arranged on the upper die holder (120) and can be lifted along with the upper die holder (120), the punching head (800) faces the processing station (600), and the punching head (800) can move and punch towards the processing station (600) so as to process the segment-shaped bar stock into bar stock with a corresponding shape;

the automatic cutting machine comprises a lower die holder (110), and is characterized by further comprising a first driving assembly (900) for driving the cutting piece (300) to move, wherein the first driving assembly (900) comprises a lifting block (910) and a rolling bearing (920), the lifting block (910) is arranged on the lower die holder (110) in a lifting manner, the rolling bearing (920) is in linkage connection with the lifting block (910), the cutting piece (300) is in linkage connection with the rolling bearing (920), and the lifting block (910) is in a wedge shape with a narrow end facing downwards;

when the upper die holder (120) moves towards the lower die holder (110), the upper die holder (120) can be in abutting connection with the lifting block (910) and drive the lifting block (910) to descend so as to drive the blanking piece (300) to move;

the turnover mechanism (500) further comprises a second driving assembly (520) for driving the turnover block (510) to rotate, the second driving assembly (520) comprises a driving cylinder (521), a rack (522) and a gear (523), the rack (522) is connected with the driving cylinder (521) in a linkage manner, the tooth part of the rack (522) is meshed with the gear (523), the turnover block (510) further comprises a driving shaft (512), and the driving shaft (512) penetrates through the gear (523) and is connected with the gear (523) in a linkage manner;

the device further comprises a guide plate (1100) for guiding the cut segment bar stock of the blanking member (300) to a position opposite to the pushing rod (400), wherein the guide plate (1100) is arranged adjacent to the blanking member (300).

2. An automatic bar stock processing apparatus according to claim 1, wherein: the processing stations (600) are arranged at least two, each processing station (600) is arranged in a straight line sequentially, the distances between the processing stations (600) are the same, the number of the punching heads (800) is the same as that of the processing stations (600) and corresponds to the number of the processing stations (600) one by one, the number of the mechanical hands (700) is more than that of the processing stations (600), one mechanical hand (700) is arranged above the overturning block (510), and the other mechanical hands (700) are arranged above the processing stations (600) one by one.

3. An automatic bar stock processing apparatus according to claim 2, wherein: the automatic processing device is characterized by further comprising ejector rods (1000) used for ejecting bars in the processing stations (600), wherein the number of the ejector rods (1000) is the same as that of the processing stations (600), the ejector rods (1000) face the processing stations (600) in a one-to-one correspondence mode, and the ejector rods (1000) are in linkage connection with the upper die base (120).

4. An automatic bar stock processing apparatus according to claim 1, wherein: the device also comprises a sensor (1200) for detecting the extending distance of the bar to be processed from the discharge hole (220), wherein the sensor (1200) faces the discharge hole (220).

5. An automatic bar stock processing apparatus according to claim 1, wherein: the blanking member (300) is provided with a blanking hole (310), and the blanking member (300) is movable to a feeding position or a shearing position;

-the blanking aperture (310) is being directed towards the outlet (220) of the feed member (200) when the blanking member (300) is moved to the feed position;

when the blanking piece (300) moves to the shearing position, the blanking hole (310) and the discharge hole (220) are arranged in a staggered mode, so that the bar to be processed, which extends out of the discharge hole (220), is sheared into segment bar by shearing force.

6. An automatic bar stock processing apparatus according to claim 2, wherein: the device also comprises a blanking plate (1300) for conveying out the processed bar stock, wherein the blanking plate (1300) is arranged adjacent to the processing station (600) of the last procedure.