CN212598645U

CN212598645U - External gear forming die for precision forging forming gear shaft

Info

Publication number: CN212598645U
Application number: CN202021114848.4U
Authority: CN
Inventors: 郁英雄; 季亚男
Original assignee: Wuxi Ruishun Machinery Co ltd
Current assignee: Wuxi Ruishun Machinery Co ltd
Priority date: 2020-06-16
Filing date: 2020-06-16
Publication date: 2021-02-26
Anticipated expiration: 2030-06-16

Abstract

The utility model discloses an outer gear forming die for finish forging shaping gear shaft, forge mould, material feeding unit and go up unloader including the gear shaft, the gear shaft forges the mould and includes forging platform, die holder, the support that falls the U-shaped, first pneumatic cylinder and upper die base, material feeding unit includes L shape bracket, horizontal lead screw, horizontal concave groove, first fixing base, horizontal slide, the circular sleeve that has the guiding hole, fixed disc, jacking cylinder and the jacking disc of locating C shape support right-hand member bottom side, it includes U-shaped bracket, vertical lead screw, vertical concave groove, second fixing base, the extension board that falls L shape, vertical extension board, second pneumatic cylinder, locates two flat push cylinders and two half-circular arc splint at the extension board both ends that fall U-shaped. The utility model discloses can carry out the automation to the gear shaft and go up unloading, greatly reduced labour just can effectual improvement gear shaft hydraulic forging efficiency.

Description

External gear forming die for precision forging forming gear shaft

Technical Field

The utility model belongs to the technical field of the gear shaft forges, concretely relates to an outer gear forming die for finish forging shaping gear shaft.

Background

The gear shaft is a key component of a high-speed heavy-load driving device, and the reliability of the strength of the gear shaft directly influences the operation safety of a mechanical device. The forging is adopted for rough machining, so that the workpiece can obtain good streamline structure and higher strength. The gear shaft structure is simple relatively, and is symmetrical about the central axis, and the thick gear of head is close to the tip, and pole portion has the step shaft characteristic, and the gear shaft is placed the gear shaft in the die holder at the forging in-process, moves down under the effect of pneumatic cylinder with the upper die base that the hydraulic stem is connected, and the upper die base carries out hydraulic forging with the die holder cooperation to the gear shaft.

In the gear shaft hydraulic forging machine use of prior art, still adopt the manual clamp of anchor clamps to get the gear shaft through the manual work and go up the unloading operation, the operation is inconvenient, and operating personnel's intensity of labour is big and forge machining inefficiency to the gear shaft.

Therefore, the outer gear forming die for finish forging the gear shaft is provided for solving the problems by automatically feeding and discharging the gear shaft in the hydraulic forging process of the gear shaft, greatly reducing labor force and effectively improving the hydraulic forging efficiency of the gear shaft.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an outer gear forming die for finish forge shaping gear shaft to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an outer gear forming die for finish forge shaping gear shaft, forges mould, material feeding unit and last unloader including the gear shaft, the gear shaft forges the mould and includes forging platform, the fixed die holder of locating forging platform top central point department, the fixed U-shaped support of locating the forging platform top and locate the U-shaped support inboard and with the last die holder of the fixed hydraulic ram fixed connection on the fixed first pneumatic cylinder that sets up in U-shaped support top, material feeding unit includes L shape bracket, locates L shape bracket top left side and transmission connection have horizontal lead screw horizontal concave groove, through screw-nut and horizontal lead screw transmission connection's first fixing base, fixed locate first fixing base right flank and slide and locate the horizontal slide that has the guiding hole at C shape support top, fixed inlay in the circular sleeve at C shape support right-hand member top, fixed four branches and the solid fixed sleeve that set up of C shape support bottom side just arrange through annular equidistance in C shape support right-hand member and set up and circular sleeve A fixed disc fixedly connected with the fixed disc, a jacking cylinder fixedly arranged at the top of the fixed disc and a jacking disc fixedly connected with a piston rod of the jacking cylinder and movably spliced with the circular sleeve, the feeding and discharging device comprises a U-shaped bracket, a longitudinal concave groove fixedly arranged at the top of the U-shaped bracket and connected with a longitudinal screw rod in a transmission mode, a second fixing seat connected with the longitudinal screw rod in a transmission mode through a screw nut, an inverted L-shaped support plate fixedly arranged at the top of the second fixing seat, a longitudinal support plate fixedly arranged on the front side of the top of the inverted L-shaped support plate, a second hydraulic cylinder fixedly arranged at the top of the front end of the longitudinal support plate and fixedly connected with an inverted U-shaped plate at the bottom of the longitudinal support plate, two horizontal push cylinders symmetrically arranged on the outer side surfaces of the left bottom and the right bottom of the inverted U-shaped plate, and two semicircular arc-shaped clamping plates symmetrically arranged at the bottom of the inner.

Preferably, the upper die holder and the lower die holder are vertically and symmetrically arranged.

Preferably, the C-shaped support is fixedly arranged on the right side of the top of the L-shaped bracket.

Preferably, the output end of a first servo speed reduction motor fixedly arranged on the left side surface of the transverse concave groove is in transmission connection with the input end of the transverse screw rod.

Preferably, the feeding device is arranged on the left side of the rear end of the gear shaft forging die, and the feeding and discharging device is arranged on the right side of the rear end of the gear shaft forging die.

Preferably, the circular sleeve and the lower die holder are symmetrically arranged in front and back.

Preferably, the output end of a second servo speed reduction motor fixedly arranged on the rear side surface of the longitudinal concave groove is in transmission connection with the input end of the longitudinal screw rod.

The utility model discloses a technological effect and advantage: the outer gear forming die for precisely forging and forming the gear shaft is characterized in that a first hydraulic cylinder pushes an upper die holder to be matched with a lower die holder, hydraulic forging and forming are carried out on the gear shaft placed on the upper die holder and the lower die holder, when the gear shaft is fed, the gear shaft is placed in a guide hole of a horizontal sliding plate, a first servo speed reduction motor drives a transverse screw rod to transmit under the action of the first servo speed reduction motor to drive a first fixing seat and the horizontal sliding plate to move right, the gear shaft is pushed into a circular sleeve, when the gear shaft is fed, the gear shaft in the circular sleeve pushes the gear shaft out of the circular sleeve under the action of a jacking cylinder abutting against a jacking disc, a second servo speed reduction motor drives a longitudinal screw rod to transmit, so that two semi-arc-shaped clamp plates on a second fixing seat and a second fixing seat are moved forwards to be vertically aligned, promote two semicircle clamp plate clamp fastening fixed gear shafts, under the second fixing base removes, shift the gear shaft to the die holder on, accomplish the material loading of gear shaft, during the gear shaft unloading, adopt two semicircle clamp plate clamp fastening fixed gear shafts equally, then shift the gear shaft to the forging platform front side and keep away from the die holder and carry out the unloading, the utility model discloses at the hydraulic forging in-process of gear shaft, go on unloading in the automation to the gear shaft, greatly reduced labour just can effectual improvement gear shaft hydraulic forging efficiency.

Drawings

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

fig. 2 is a schematic structural view of the gear shaft forging die of the present invention;

fig. 3 is a schematic structural view of the feeding device of the present invention;

fig. 4 is a schematic structural view of the feeding and discharging device of the present invention.

In the figure: 1. a gear shaft forging die; 2. a feeding device; 3. a loading and unloading device; 4. forging the platform; 5. a lower die holder; 6. an inverted U-shaped bracket; 7. a first hydraulic cylinder; 8. an upper die holder; 9. an L-shaped bracket; 10. a transverse screw rod; 11. a transverse concave groove; 12. a first fixed seat; 13. a C-shaped support; 14. a guide hole; 15. a horizontal sliding plate; 16. a circular sleeve; 17. a strut; 18. fixing the disc; 19. jacking a cylinder; 20. jacking a disc; 21. a first servo gear motor; 22. a U-shaped bracket; 23. a longitudinal screw rod; 24. a longitudinal concave groove; 25. a second fixed seat; 26. an inverted L-shaped support plate; 27. a longitudinal support plate; 28. an inverted U-shaped plate; 29. a second hydraulic cylinder; 30. a horizontal pushing cylinder; 31. a semi-circular arc splint; 32. and a second servo deceleration motor.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The utility model provides an external gear forming die for precision forging forming gear shafts as shown in figures 1-4, which comprises a gear shaft forging die 1, a feeding device 2 and a feeding and discharging device 3, the feeding device 2 is arranged on the left side of the rear end of the gear shaft forging die 1, the feeding and discharging device 3 is arranged on the right side of the rear end of the gear shaft forging die 1, the gear shaft forging die 1 comprises a forging platform 4, a lower die holder 5 fixedly arranged at the center of the top of the forging platform 4, an inverted U-shaped support 6 fixedly arranged at the top of the forging platform 4, and an upper die holder 8 arranged at the inner side of the inverted U-shaped support 6 and fixedly connected with a hydraulic rod on a first hydraulic cylinder 7 fixedly arranged at the top of the inverted U-shaped support 6, the upper die holder 8 and the lower die holder 5 are vertically and symmetrically arranged, the first hydraulic cylinder 7 pushes the upper die holder 8 to be matched with the lower die holder 5, and a gear shaft placed on the upper die holder 5 and the lower die holder 5 is subjected to hydraulic forging forming;

feeding device 2 includes L shape bracket 9, locate L shape bracket 9 top left side and the transmission is connected with horizontal lead screw 10's horizontal concave groove 11, first fixing base 12 of being connected through screw-nut and horizontal lead screw 10 transmission, fixed locate first fixing base 12 right flank and slide locate C shape support 13 top have a guiding hole 14 horizontal slide 15, fixed inlay in C shape support 13 right-hand member top circular sleeve 16, fixed locate C shape support 13 right-hand member bottom side and arrange four branch 17 that set up and circular sleeve 16 fixed connection's fixed disc 18, fixed locate the jacking cylinder 19 at fixed disc 18 top and with jacking cylinder 19 piston rod fixed connection and with circular sleeve 16 activity grafting's jacking disc 20 through annular equidistance, C shape support 13 is fixed in L shape bracket 9 top right side, the fixed output of the first servo gear motor 21 that sets up of horizontal concave groove 11 left side and the input transmission of horizontal lead screw 10 The circular sleeves 16 and the lower die holder 5 are symmetrically arranged front and back, when a gear shaft is fed, the gear shaft is placed in the guide hole 14 of the horizontal sliding plate 15, the transverse screw rod 10 is driven to transmit under the action of the first servo speed reducing motor 21, the first fixed seat 12 and the horizontal sliding plate 15 are driven to move right, and the gear shaft is pushed into the circular sleeves 16;

the loading and unloading device 3 comprises a U-shaped bracket 22, a longitudinal concave groove 24 fixedly arranged at the top of the U-shaped bracket 22 and in transmission connection with a longitudinal screw 23, a second fixed seat 25 in transmission connection with the longitudinal screw 23 through a screw nut, an inverted L-shaped support plate 26 fixedly arranged at the top of the second fixed seat 25, a longitudinal support plate 27 fixedly arranged at the front side of the top of the inverted L-shaped support plate 26, a second hydraulic cylinder 29 fixedly arranged at the top of the front end of the longitudinal support plate 27 and in fixed connection with an inverted U-shaped plate 28 at the bottom of the longitudinal support plate 27, two horizontal push cylinders 30 symmetrically arranged at the outer side surfaces of the left and right bottoms of the inverted U-shaped plate 28, and two semi-circular arc-shaped clamping plates 31 symmetrically arranged at the bottom ends of the inner side of the inverted U-shaped plate 28 and respectively in fixed connection with piston rods of the two horizontal push cylinders 30, wherein the output end of a second servo speed, when feeding the gear shaft, the gear shaft in the circular sleeve 16 is ejected out from the circular sleeve 16 under the action that the jacking cylinder 19 abuts against the jacking disc 20, the second servo speed reducing motor 32 drives and transmits with the longitudinal screw 23, so that the second fixing seat 25 and the two semi-circular arc-shaped clamping plates 31 on the second fixing seat 25 move forward to vertically align the gear shaft, the second hydraulic cylinder 29 moves down, the piston rods of the two flat pushing cylinders 30 extend inwards to push the two semi-circular arc-shaped clamping plates 31 to clamp the fixed gear shaft, the gear shaft is transferred to the lower die seat 5 under the movement of the second fixing seat 25, the feeding of the gear shaft is completed, when the gear shaft is blanked, the two semi-circular arc-shaped clamping plates 31 are also adopted to clamp and fasten the fixed gear shaft, then the gear shaft is transferred to the front side of the forging platform 4 to be far away from the lower die seat 5 for, go on unloading in the automation to the gear shaft, greatly reduced labour just can effectual improvement gear shaft hydraulic forging efficiency.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides an outer gear forming die for finish forge shaping gear shaft, forges mould (1), material feeding unit (2) and goes up unloader (3) including the gear shaft, its characterized in that: the gear shaft forging die (1) comprises a forging platform (4), a lower die holder (5) fixedly arranged at the center of the top of the forging platform (4), an inverted U-shaped support (6) fixedly arranged at the top of the forging platform (4), and an upper die holder (8) fixedly arranged on the inverted U-shaped support (6), wherein the inner side of the inverted U-shaped support (6) is fixedly connected with a hydraulic rod on a first hydraulic cylinder (7) fixedly arranged at the top of the inverted U-shaped support (6), the feeding device (2) comprises an L-shaped bracket (9), a transverse concave groove (11) which is arranged on the left side of the top of the L-shaped bracket (9) and is in transmission connection with a transverse screw rod (10), a first fixing seat (12) which is in transmission connection with the transverse screw rod (10) through a screw nut, a horizontal sliding plate (15) which is fixedly arranged on the right side surface of the first fixing seat (12) and is slidably arranged at the top of a C-shaped support (13) and is provided with, The feeding and discharging device comprises a fixed disc (18) fixedly arranged at the bottom side of the right end of a C-shaped support (13) and fixedly connected with a circular sleeve (16) through four support rods (17) arranged at equal intervals in an annular mode, a jacking cylinder (19) fixedly arranged at the top of the fixed disc (18) and a jacking disc (20) fixedly connected with a piston rod of the jacking cylinder (19) and movably inserted into the circular sleeve (16), wherein the feeding and discharging device (3) comprises a U-shaped support seat (22), a longitudinal concave groove (24) fixedly arranged at the top of the U-shaped support seat (22) and in transmission connection with a longitudinal lead screw (23), a second fixing seat (25) in transmission connection with the longitudinal lead screw (23) through a lead screw nut, an inverted L-shaped support plate (26) fixedly arranged at the top of the second fixing seat (25), a longitudinal support plate (27) fixedly arranged at the front side of the top of the inverted L-shaped support plate (26), and a second support plate (27) fixedly arranged at the top of the The hydraulic cylinder (29), two horizontal push cylinders (30) which are symmetrically arranged on the outer side surfaces of the left bottom end and the right bottom end of the inverted U-shaped plate (28) and two semicircular arc-shaped clamping plates (31) which are symmetrically arranged on the inner bottom end of the inverted U-shaped plate (28) and are respectively fixedly connected with piston rods of the two horizontal push cylinders (30).

2. The external gear forming die for finish forging a gear shaft according to claim 1, wherein: the upper die holder (8) and the lower die holder (5) are vertically and symmetrically arranged.

3. The external gear forming die for finish forging a gear shaft according to claim 1, wherein: the C-shaped support (13) is fixedly arranged on the right side of the top of the L-shaped bracket (9).

4. The external gear forming die for finish forging a gear shaft according to claim 1, wherein: the output end of a first servo speed reducing motor (21) fixedly arranged on the left side surface of the transverse concave groove (11) is in transmission connection with the input end of the transverse screw rod (10).

5. The external gear forming die for finish forging a gear shaft according to claim 1, wherein: the feeding device (2) is arranged on the left side of the rear end of the gear shaft forging die (1), and the feeding and discharging device (3) is arranged on the right side of the rear end of the gear shaft forging die (1).

6. The external gear forming die for finish forging a gear shaft according to claim 1, wherein: the circular sleeve (16) and the lower die holder (5) are symmetrically arranged in front and back.

7. The external gear forming die for finish forging a gear shaft according to claim 1, wherein: the output end of a second servo speed reducing motor (32) fixedly arranged on the rear side surface of the longitudinal concave groove (24) is in transmission connection with the input end of the longitudinal screw rod (23).