CN113102520A

CN113102520A - Full-automatic production equipment for revolving body shaft parts and using method thereof

Info

Publication number: CN113102520A
Application number: CN202110380214.6A
Authority: CN
Inventors: 朱传宝; 王宝雨; 邵祝涛; 张慧; 卢涛
Original assignee: Shandong Zhongxing Auto Parts Co ltd
Current assignee: Shandong Zhongxing Auto Parts Co ltd
Priority date: 2021-04-09
Filing date: 2021-04-09
Publication date: 2021-07-13
Anticipated expiration: 2041-04-09
Also published as: CN113102520B

Abstract

The invention relates to full-automatic production equipment for revolving body shaft parts and a use method thereof, which comprises a cutting device, a conveying line, a lifting feeding mechanism, a heating furnace, an in-place rolling mechanism, a rolling mill feeding mechanism, a cross wedge rolling mill and a straightening mechanism which are sequentially arranged, wherein raw materials are cut into required lengths by the cutting device, cut workpieces are transported by the conveying line, are sequentially lifted by the lifting feeding mechanism and then enter the heating furnace for heating, the materials heated in the heating furnace are sequentially pushed by the lifting feeding mechanism, the heated workpieces are pushed out from an outlet of the heating furnace to a discharging plate of the heating furnace, the workpieces are rolled into the feeding mechanism of the rolling mill after completely coming out of the heating furnace by the in-place rolling mechanism, are pushed into the cross wedge rolling mill by the feeding mechanism, are straightened by the straightening mechanism after being rolled and formed by the cross wedge rolling mill, the invention has high processing efficiency and saves labor.

Description

Full-automatic production equipment for revolving body shaft parts and using method thereof

Technical Field

The invention relates to the field of shaft part machining, in particular to full-automatic production equipment for rotary body shaft parts and a using method thereof.

Background

In recent years, with the increasing demand of the development of times for large-diameter shaft parts, as a new process which is very suitable for the production of stepped shafts and rotary parts, cross wedge rolling is increasingly developed, the efficiency of processing the shaft parts by the existing cross wedge rolling is low, manual conveying and feeding are needed, each step of process needs manual operation control, and the problems of low processing efficiency, waste of personnel and the like are caused.

Disclosure of Invention

Aiming at the defects of the prior art, the invention provides full-automatic production equipment for revolving body shaft parts and a using method thereof, which can realize automatic cutting, feeding, heating, cross wedge rolling and straightening of the revolving body shaft parts.

The invention is realized by the following technical scheme, provides full-automatic production equipment for revolving body shaft parts, which comprises a cutting device, a conveying line, a lifting feeding mechanism, a heating furnace, an in-place rolling mechanism, a rolling mill feeding mechanism, a cross wedge rolling mill and a straightening mechanism which are sequentially arranged, wherein the in-place rolling mechanism comprises a heating furnace discharging plate arranged at the outlet of the heating furnace, the upper end surface of the heating furnace discharging plate is provided with an inclined surface for rolling a workpiece to one side, the lower side of the inclined surface is provided with a rolling plate, the rolling plate is hinged on a side supporting plate to realize the turnover of the upper end and the lower end, the upper end of the rolling plate is propped against the rolling side of the workpiece, the in-place rolling mechanism also comprises an in-place positioning mechanism and a pull-down spring for pulling the upper end of the rolling plate downwards, the in-place positioning mechanism comprises a sleeve fixedly connected on the rolling plate, an inserting shaft in a sliding connection manner and an inserting shaft spring for, the utility model discloses a positioning mechanism that targets in place, including collateral branch backup pad, locating mechanism still includes the control lever that articulates on the collateral branch backup pad, the one end rigid coupling of control lever has the pressure head that will insert the axle and follow jack inside-out, the other end of control lever and the tip adaptation of work piece ejection of compact direction.

The cutting device cuts the raw materials into required length, the cut workpieces are transported by a conveyor line, the workpieces are sequentially lifted by a lifting and feeding mechanism and then enter a heating furnace for heating, the materials heated in the heating furnace are sequentially pushed by the lifting and feeding mechanism, the heated workpieces are pushed out of an outlet of the heating furnace to a discharge plate of the heating furnace, the workpieces touch one end of a control rod after being pushed out in place, an insertion shaft is pushed out from a jack by the other end of the control rod, the upper end of a roll-off plate is pulled downwards by a pull-down spring, so that the workpieces roll off the roll-off plate along the inclined plane of the discharge plate of the heating furnace and roll off the roll-off plate along the roll-off plate, when the workpieces pass through the lower end of the roll-off plate, the roll-off plate is pressed downwards by the gravity of the workpieces, the upper end of the roll-off plate is reset upwards, the insertion shaft passes through the jack in the resetting process, and the, the positioning of the roll-off plate is realized, the pressure head of the control rod is ejected out of the jack, the roll-off plate is ejected on the roll-off side of the next workpiece after being reset, and the rolling of the workpieces when not all the workpieces are ejected out of the heating furnace is prevented; the workpiece is completely discharged from the heating furnace and then falls into a feeding mechanism of the rolling mill, the workpiece is pushed into a cross wedge rolling mill through the feeding mechanism of the rolling mill, and is straightened through a straightening mechanism after being rolled and molded through the cross wedge rolling mill.

As the optimization, still including installing the length screening mechanism on the transfer chain, the length screening mechanism is including setting up the push pedal in transfer chain one side and with the screening push cylinder that the push pedal promoted to the opposite side, the rigid coupling has two detection switch of arranging, the interval of two detection switch and the length adaptation of work piece along work piece direction of delivery in the push pedal. The length screening mechanism in this scheme is used for getting rid of the tails that length is not enough, and the interval of two detection switches and the length adaptation of work piece, when the work piece front end when front end detection switch, if rear end detection switch can not detect the signal, then prove that the length of work piece is less than the length of settlement, then screen the propelling movement jar and drive the push pedal and release the work piece from the transfer chain.

As optimization, promote feed mechanism including set up at the terminal swash plate that piles up of transfer chain, set up the heating furnace feed plate of heating furnace import department and set up the lifting machine piling up between swash plate and the heating furnace feed plate, the heating furnace feed plate is kept away from one side of heating furnace and is equipped with heating furnace propelling movement jar, the lifting machine includes and piles up the lower sprocket that the swash plate corresponds and the cochain wheel that corresponds with the heating furnace feed plate, around having the promotion chain on lower sprocket and the last sprocket, the rigid coupling has two at least colluding the claw that sets up side by side on promoting the chain, all opens on piling up swash plate and the heating furnace feed plate and hold the claw groove that colludes that. The swash plate that piles up in this scheme is used for holding the work piece that the transfer chain provided, the work piece is placed side by side in proper order on piling up the swash plate, the chain drives and colludes the work piece that the claw will pile up swash plate tip and tak away, collude the claw upset when walking to the top and place the work piece on the heating furnace feed plate, collude the claw groove and can make and collude the claw and pass and pile up swash plate and heating furnace feed plate and realize getting material and blowing, thereby when the heating furnace needs the work piece, will pile up the work piece on the swash plate through the lifting machine and transport on the heating furnace feed plate as required in proper order, and push away the work piece in the heating furnace in proper order through heating furnace propelling movement jar, the work piece that promotes the.

Preferably, the stacking inclined plates are obliquely arranged, and the lower ends of the stacking inclined plates are bent upwards to form bottom baffles. According to the scheme, the stacked inclined plates are obliquely arranged, and the lower ends of the stacked inclined plates are bent upwards to form the bottom baffle, so that after the workpieces at the lowest end are taken away by the hook claws of the lifting machine, all the workpieces move downwards along the inclined surfaces, and the bottom baffle plays a role of a limiting baffle.

Preferably, the lifting chains are provided with two chains, a connecting rod is fixedly connected between the two lifting chains, and the hook claw is fixedly connected to the connecting rod. Collude the claw rigid coupling on the connecting rod in this scheme to it is stable to make collude the claw.

Preferably, the feeding mechanism of the rolling mill comprises a rolling mill stacking plate arranged at the feeding port of the cross wedge rolling mill, the rolling mill stacking plate is obliquely arranged, the upper end of the rolling mill stacking plate is matched with the lower end of the roll falling plate, the lower end of the rolling mill stacking plate is bent upwards to form a bottom support, and a rolling mill pushing cylinder is arranged on one side, away from the cross wedge rolling mill, of the rolling mill stacking plate. According to the scheme, the workpieces rolled down by the roll-off plate are sequentially placed on the material piling plate of the rolling mill side by side, and the workpieces at the lowest end are pushed into the cross wedge rolling mill through the pushing cylinder of the rolling mill, so that the workpieces are sequentially pushed into the cross wedge rolling mill according to the requirements of the cross wedge rolling mill.

Preferably, the straightening mechanism comprises a rack, two lower roll shafts which are connected with the rack in a shaft connection mode, a sliding plate which is vertically connected with the rack in a sliding mode, an upper roll shaft which is connected with the sliding plate in a shaft connection mode, a lower oil cylinder which drives the sliding plate to lift, and a rotary drive which drives at least one of the lower roll shaft and the upper roll shaft to rotate. In this scheme, the lower oil cylinder drives the upper roll shaft to be pressed downwards, so that a workpiece is clamped in a triangular area between the upper roll shaft and the two lower roll shafts, at least one of the lower roll shaft and the upper roll shaft rotates, the workpiece and the rest of the roll shafts are driven to rotate together through the rotating roll shaft, and the straightening is realized by keeping the pressing force of the lower oil cylinder.

Preferably, the rotary drive comprises a straightening motor, a driving gear installed on the straightening motor and a roller shaft gear fixedly connected to the end part of the lower roller shaft, and the driving gear is meshed with the two roller shaft gears. The driving gear in this scheme all meshes with two roller gears to drive two synchronous syntropy rotations of lower roller.

Preferably, a plurality of guide rails are arranged between the cross wedge rolling mill and the straightening mechanism, and the upper end surfaces of the guide rails are flush with the upper end of the lower roll shaft. In the scheme, the upper end surface of the guide rail is parallel and level with the upper ends of the lower roll shafts, and a workpiece processed by the wedge cross rolling mill rolls between the two lower roll shafts through the guide roller.

A use method of full-automatic production equipment for rotary body shaft parts comprises the following steps:

a. cutting the raw materials into required lengths through a cutting device, transporting the cut workpieces through a conveying line, sequentially lifting the workpieces through a lifting and feeding mechanism, and then heating the workpieces in a heating furnace;

b. materials heated in the heating furnace are sequentially pushed by the lifting and feeding mechanism, and heated workpieces are pushed out to a discharging plate of the heating furnace from an outlet of the heating furnace;

c. the upper end of the rolling plate is propped against the rolling side of the workpiece, so that the rolling of the workpiece when the workpiece is not completely jacked out of the heating furnace is prevented;

d. after the workpiece is pushed out to the place, the workpiece touches one end of the control rod, the inserting shaft is ejected out of the inserting hole through the other end of the control rod, and the upper end of the roll-down plate is pulled downwards through the pull-down spring, so that the workpiece rolls down on the roll-down plate along the inclined plane of the discharge plate of the heating furnace and rolls down on the feeding mechanism of the rolling mill along the roll-down plate;

e. when a workpiece passes through the lower end of the roll-off plate, the roll-off plate is pressed downwards by the gravity of the workpiece, so that the upper end of the roll-off plate is reset upwards, the insertion shaft passes through the insertion hole in the resetting process, and the insertion shaft is inserted into the insertion hole through the insertion shaft spring, so that the positioning of the roll-off plate is realized; simultaneously ejecting a pressure head of the control rod out of the jack;

f. the workpiece rolls from the roll-off plate to the feeding mechanism of the rolling mill, is pushed to the cross wedge rolling mill by the feeding mechanism of the rolling mill, and is straightened by the straightening mechanism after being rolled and molded by the cross wedge rolling mill.

The invention has the beneficial effects that: the invention relates to full-automatic production equipment for revolving body shaft parts and a using method thereof.A cutting device cuts raw materials into required lengths, cut workpieces are transported by a conveyor line, are sequentially lifted by a lifting and feeding mechanism and then enter a heating furnace for heating, the materials heated in the heating furnace are sequentially pushed by the lifting and feeding mechanism, the heated workpieces are pushed out of a heating furnace outlet onto a heating furnace discharge plate, are completely rolled out of the heating furnace by an in-place rolling and dropping mechanism, and then are rolled into a rolling mill feeding mechanism, are pushed into a cross wedge rolling mill by the rolling mill feeding mechanism, and are straightened by a straightening mechanism after being rolled and formed by the cross wedge rolling mill.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of a length screening mechanism according to the present invention;

FIG. 3 is a front view of the lift feed mechanism of the present invention;

FIG. 4 is a right side view of the lift feed mechanism of the present invention;

FIG. 5 is a front view of the roll-off in place mechanism of the present invention;

FIG. 6 is a cross-sectional view taken along plane A-A of FIG. 5 in accordance with the present invention;

FIG. 7 is a cross-sectional view taken along plane A-A of FIG. 5 in accordance with another embodiment of the present invention;

FIG. 8 is an enlarged view of portion B of FIG. 5 in accordance with the present invention;

FIG. 9 is an enlarged view of portion B of FIG. 5 in accordance with another embodiment of the present invention;

FIG. 10 is an elevational view of the alignment mechanism of the present invention;

FIG. 11 is a left side view of the alignment mechanism of the present invention;

FIG. 12 is a cross-sectional view taken along plane C-C of FIG. 10 in accordance with the teachings of the present invention;

shown in the figure:

1. cutting device, 2, conveying line, 3, lifting and feeding mechanism, 4, heating furnace, 5, in-place rolling and dropping mechanism, 6, rolling mill feeding mechanism, 7, wedge cross rolling mill, 8, straightening mechanism, 9, length screening mechanism, 10, workpiece, 31, stacking inclined plate, 32, lower chain wheel, 33, upper chain wheel, 34, chain, 35, claw, 36, heating furnace feeding plate, 37, heating furnace pushing cylinder, 38, lifting motor, 39, connecting rod, 51, side supporting plate, 52, rolling plate, 53, heating furnace discharging plate, 54, pulling spring, 55, sleeve, 56, jack, 57, insertion shaft, 58, control rod, 59, pressure head, 61, rolling mill stacking plate, 62, rolling mill pushing cylinder, 81, frame, 82, lower roller shaft, 83, upper roller shaft, 84, roller shaft gear, 85, driving gear, 86, straightening motor, 87, pressing cylinder, sliding plate, 89, sliding plate, rolling mill feeding mechanism, 7, wedge cross rolling mill, 8, straightening mechanism, 9, length screening mechanism, 10, Guide rail 91, push plate 92, elongated slot 93, detection switch 94 and screening push cylinder.

Detailed Description

In order to clearly illustrate the technical features of the present solution, the present solution is explained below by way of specific embodiments.

As shown in fig. 1 to 12, the full-automatic production equipment for revolving body shaft parts comprises a cutting device 1, a conveying line 2, a lifting and feeding mechanism 3, a heating furnace 4, an in-place rolling and dropping mechanism 5, a rolling mill feeding mechanism 6, a wedge cross rolling mill 7 and a straightening mechanism 8 which are arranged in sequence.

Cutting device 1 is high-speed circular sawing machine, and transfer chain 2 is the drum-type transfer chain, and the raw materials after the cutting of high-speed circular sawing machine vertically carries along transfer chain 2, and the both sides of transfer chain are equipped with the baffle, prevent that raw materials transportation process is crooked.

Still including installing length screening mechanism 9 on transfer chain 2, length screening mechanism 9 is including setting up the push pedal 91 in 2 one sides of transfer chain and with the screening propelling movement jar 94 that push pedal 91 promoted to the opposite side, and screening propelling movement jar 94 in this embodiment is the cylinder, and screening propelling movement jar 94 is fixed through the support, and push pedal 91 department does not set up the baffle, and the transfer chain 2 is released with unqualified raw materials to the push pedal of being convenient for.

The device comprises a push plate 91, a detection switch 93 and a screening push cylinder, wherein the detection switch 93 is fixedly connected to the push plate 91 and is arranged along the conveying direction of a workpiece 10, the distance between the two detection switches 93 is matched with the length of the workpiece 10, the distance between the two detection switches 93 is slightly smaller than the length of the workpiece, when the front end of the workpiece passes through the front end detection switch, if a signal cannot be detected by the rear end detection switch, the length of the workpiece is proved to be smaller than a set length, the screening push cylinder drives the push plate to push the workpiece out of a conveying line, an elongated slot 92 is formed in the push plate 91, and the detection switch 93 is installed on one side far away from the workpiece.

The lifting and feeding mechanism 3 comprises a stacking inclined plate 31 arranged at the tail end of the conveying line 2, a heating furnace feeding plate 36 arranged at the inlet of the heating furnace 4 and a lifter arranged between the stacking inclined plate 31 and the heating furnace feeding plate 36.

Pile up the swash plate 31 slope and set up and the lower extreme upwards buckles and form the bottom baffle, pile up the swash plate 31 and set up in the terminal side of transfer chain 2, the terminal cylinder of transfer chain sets up to the toper, the work piece is carried to the end and is rolled through conical cylinder and fall to piling up the swash plate 31 on, and roll to the bottom downwards along with the inclined plane that piles up swash plate 31, thereby the work piece after making the cutting arranges in proper order and is piling up on the swash plate 31, when the heating furnace needs, promote the work piece of lower extreme to the feed inlet department of heating furnace through the lifting machine.

The heating furnace feeding plate 36 is higher than the stacking inclined plate 31, the heating furnace feeding plate 36 is fixedly arranged on the outer side of the furnace opening, a heating furnace pushing cylinder 37 is installed on one side, away from the heating furnace 4, of the heating furnace feeding plate 36, the heating furnace pushing cylinder 37 is a hydraulic cylinder, a workpiece is lifted by a lifter and placed on the heating furnace feeding plate 36, the workpiece is pushed into the heating furnace through the hydraulic cylinder, and the workpiece is sequentially pushed into the heating furnace through the heating furnace pushing cylinder 37, so that the workpiece in the heating furnace is pushed forward.

The lifting machine includes with pile up the last sprocket 33 that lower sprocket 32 that swash plate 31 corresponds and correspond with heating furnace feed plate 36, around having promoting chain 34 on lower sprocket 32 and the last sprocket 33, it is provided with two to promote chain 34, and the rigid coupling has connecting rod 39 between two promotion chains 34, the rigid coupling has two at least claws 35 that collude that set up side by side on promoting chain 4, collude claw 35 rigid coupling on connecting rod 39, collude claw 35 in this embodiment and be the arc pole, promote the work piece parcel through the arc pole.

The upper chain wheel 33 is connected with a lifting motor 38, the hook claws are driven to move through a chain 34, hook claw grooves for allowing the hook claws 35 to pass through are formed in the stacking inclined plate 31 and the heating furnace feeding plate 36, the lowest workpiece is transferred to the hook claws 35 when the hook claws pass through the stacking inclined plate 31 from bottom to top and then moves to the upper end, the hook claws overturn to transfer the workpiece to the heating furnace feeding plate 36, and then the hook claws downwards pass through the hook claw grooves in the heating furnace feeding plate 36.

The heating furnace 4 is an intermediate frequency furnace, and the heating temperature is 1150 +/-50 ℃.

The in-place roll-off mechanism 5 comprises a heating furnace discharge plate 53 arranged at the outlet of the heating furnace 4, the upper end surface of the heating furnace discharge plate 53 is provided with an inclined plane which enables the workpiece 10 to roll off to one side, a roll-off plate 52 is arranged on one side with the inclined plane lower, the roll-off plate 52 is hinged on a side supporting plate 51 to realize the turnover of the upper end and the lower end, the side supporting plate 51 is provided with two parts which are respectively positioned on two sides of the roll-off plate 52, and the lower end surface of the roll-off plate 52 is fixedly connected with a hinged shaft which is hinged with.

The upper end of the roll-off plate 52 is pressed against the roll-off side of the workpiece 10, so that the workpiece 10 cannot roll off along the inclined surface of the heating furnace discharge plate 53, the in-place roll-off mechanism 5 further comprises an in-place positioning mechanism and a pull-down spring 54 for pulling the upper end of the roll-off plate 52 downwards, the pull-down spring 54 is installed below the roll-off plate 52, and the lower end of the pull-down spring 54 is connected with the heating furnace discharge plate 53.

The positioning mechanism comprises a sleeve 55 fixedly connected to the roll-off plate 52, an inserting shaft 57 slidably connected in the sleeve 55 and an inserting shaft spring for pushing the inserting shaft 57 to the side supporting plate 51, the sleeve 55 is fixedly connected with a hinge shaft through a connecting plate, the sleeve 55 is arranged at the side supporting plate 51 far away from one end of the heating furnace, and the axis of the sleeve 55 is parallel to the hinge shaft.

The side supporting plate 51 is provided with an insertion hole 56 matched with the end part of the insertion shaft 57, when the upper end of the rolling plate 52 is propped against the rolling side of the workpiece 10, the end part of the insertion shaft 57 is inserted into the insertion hole 56, the in-place positioning mechanism further comprises a control rod 58 hinged on the side supporting plate 51, one end of the control rod 58 is fixedly connected with a pressure head 59 for ejecting the insertion shaft 57 from the insertion hole 56, the other end of the control rod 58 is matched with the end part of the workpiece 10 in the discharging direction, the end part of the pressure head 59 is spherical, the control rod 58 is propped against the end part of the workpiece 10 in the discharging direction, the pressure head 59 is pressed into the insertion hole 56, the insertion shaft 57 is ejected, the upper end of the rolling plate 52 is pulled downwards by the pull-down spring 54 until the upper end of the heating furnace discharging plate 53 is pressed, and.

An extension bar is fixedly connected to the other end of the control bar 58, a spherical top block is mounted at the end of the extension bar, and the end of the workpiece 10 is abutted against the top block to realize the swinging of the control bar 58.

The feeding mechanism 6 of the rolling mill comprises a material piling plate 61 arranged at the feeding port of the cross wedge rolling mill 7, the material piling plate 61 of the rolling mill is obliquely arranged, the upper end of the material piling plate 61 of the rolling mill is matched with the lower end of the roll-off plate 52, the lower end of the roll-off plate 52 is higher than the material piling plate 61 of the rolling mill, the lower end of the material piling plate 61 of the rolling mill is bent upwards to form a bottom support, a rolling mill pushing cylinder 62 is installed on one side, away from the cross wedge rolling mill 7, of the material piling plate 61 of the rolling mill, and the rolling mill pushing cylinder 62 is an oil cylinder.

And the heated workpiece is rolled and molded by a cross wedge rolling mill 7, and the molded workpiece enters a straightening mechanism 8 for straightening.

The straightening mechanism 8 comprises a frame 81, two lower roller shafts 82 coupled to the frame 81, and a sliding plate 88 vertically slidably coupled to the frame 81, wherein an upper roller shaft 83 is coupled to the sliding plate 88, and the upper roller shaft 83 is located between the two lower roller shafts 82, thereby forming a triangular structure.

And further includes a lower pressure cylinder 87 for driving the slide plate 88 to ascend and descend and a rotation drive for driving at least one of the lower roller shaft 82 and the upper roller shaft 83 to rotate.

The rotation drive comprises a straightening motor 86, a driving gear 85 installed on the straightening motor 86 and a roller shaft gear 84 fixedly connected to the end of the lower roller shaft 82, and the driving gear 85 is meshed with both the two roller shaft gears 84.

A plurality of guide rails 89 are arranged between the cross wedge rolling mill 7 and the straightening mechanism 8, and the upper end surfaces of the guide rails 89 are flush with the upper end of the lower roller shaft 82.

Of course, the above description is not limited to the above examples, and the undescribed technical features of the present invention can be implemented by or using the prior art, and will not be described herein again; the above embodiments and drawings are only for illustrating the technical solutions of the present invention and not for limiting the present invention, and the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that changes, modifications, additions or substitutions within the spirit and scope of the present invention may be made by those skilled in the art without departing from the spirit of the present invention, and shall also fall within the scope of the claims of the present invention.

Claims

1. The utility model provides a full-automatic production of solid of revolution axle class part is equipped which characterized in that: including cutting device (1), transfer chain (2) that set gradually, promote feed mechanism (3), heating furnace (4), target in place and roll down mechanism (5), rolling mill feed mechanism (6), wedge cross rolling mill (7) and aligning gear (8), target in place and roll down mechanism (5) including setting up heating furnace ejection of compact board (53) in heating furnace (4) export, the up end of heating furnace ejection of compact board (53) is equipped with the inclined plane that makes work piece (10) roll down to one side, and roll down board (52) are equipped with to the lower one side of inclined plane, roll down board (52) articulate the upset at both ends about realizing on collateral branch backup pad (51), roll down the side of rolling the upper end top of board (52) at work piece (10), target in place roll down mechanism (5) still including target in place positioning mechanism and will roll down pull-down spring (54) of board (52) upper end pulling downwards, target in place positioning mechanism includes sleeve pipe (55) of rigid coupling on roll down board (52), The plug shaft spring that plug shaft (57) and will plug shaft (57) to collateral branch fagging (51) direction promotion in sleeve pipe (55) sliding connection, it has jack (56) with plug shaft (57) tip adaptation to open on collateral branch fagging (51), positioning mechanism still including articulating control lever (58) on collateral branch fagging (51), the one end rigid coupling of control lever (58) has the pressure head (59) that will plug shaft (57) ejecting from jack (56), the other end of control lever (58) and work piece (10) ejection of compact direction's tip adaptation.

2. The full-automatic production equipment for revolving body shaft parts according to claim 1, characterized in that: still including installing length screening mechanism (9) on transfer chain (2), length screening mechanism (9) are including setting up push pedal (91) in transfer chain (2) one side and with push pedal (91) screening propelling movement jar (94) that the opposite side promoted, the rigid coupling has two detection switch (93) of arranging along work piece (10) direction of delivery on push pedal (91), the interval of two detection switch (93) and the length adaptation of work piece (10).

3. The full-automatic production equipment for revolving body shaft parts according to claim 1, characterized in that: promote feed mechanism (3) including setting up at terminal stack swash plate (31), the heating furnace feed plate (36) of setting in heating furnace (4) import department and setting up the lifting machine between stacking swash plate (31) and heating furnace feed plate (36) of setting up, heating furnace push cylinder (37) are equipped with to one side that heating furnace (4) were kept away from in heating furnace feed plate (36), the lifting machine includes lower sprocket (32) that correspond with stack swash plate (31) and last sprocket (33) that correspond with heating furnace feed plate (36), around having lifting chain (34) on lower sprocket (32) and last sprocket (33), the rigid coupling has two at least colluding claw (35) that set up side by side on lifting chain (4), all opens on stacking swash plate (31) and heating furnace feed plate (36) and colludes the claw groove that holding colludes claw (35) and pass.

4. The full-automatic production equipment for revolving body shaft parts according to claim 3, characterized in that: the stacking inclined plates (31) are obliquely arranged, and the lower ends of the stacking inclined plates are bent upwards to form bottom baffles.

5. The full-automatic production equipment for revolving body shaft parts according to claim 3, characterized in that: the lifting chains (34) are two, a connecting rod (39) is fixedly connected between the two lifting chains (34), and the hook claw (35) is fixedly connected to the connecting rod (39).

6. The full-automatic production equipment for revolving body shaft parts according to claim 1, characterized in that: the feeding mechanism (6) of the rolling mill comprises a rolling mill stacking plate (61) arranged at a feeding port of the cross wedge rolling mill (7), the rolling mill stacking plate (61) is obliquely arranged, the upper end of the rolling mill stacking plate (61) is matched with the lower end of the roll-down plate (52), the lower end of the rolling mill stacking plate (61) is bent upwards to form a bottom support, and a rolling mill pushing cylinder (62) is installed on one side, away from the cross wedge rolling mill (7), of the rolling mill stacking plate (61).

7. The full-automatic production equipment for revolving body shaft parts according to claim 1, characterized in that: the straightening mechanism (8) comprises a rack (81), two lower roll shafts (82) connected with the rack (81) in a shaft connection mode, a sliding plate (88) vertically connected to the rack (81) in a sliding mode, an upper roll shaft (83) connected to the sliding plate (88) in a shaft connection mode, a lower pressing oil cylinder (87) driving the sliding plate (88) to lift, and rotary driving at least one of the lower roll shaft (82) and the upper roll shaft (83) to rotate.

8. The full-automatic production equipment for revolving body shaft parts according to claim 7, characterized in that: the rotary drive comprises a straightening motor (86), a driving gear (85) installed on the straightening motor (86) and a roller shaft gear (84) fixedly connected to the end of the lower roller shaft (82), and the driving gear (85) is meshed with the two roller shaft gears (84).

9. The full-automatic production equipment for revolving body shaft parts according to claim 7, characterized in that: a plurality of guide rails (89) are arranged between the wedge cross rolling mill (7) and the straightening mechanism (8), and the upper end surfaces of the guide rails (89) are flush with the upper end of the lower roll shaft (82).

10. The use method of the full-automatic production equipment for the revolving body shaft parts as claimed in any one of claims 1 to 9, is characterized by comprising the following steps: