CN215824004U

CN215824004U - Forming unit for rocker shaft blank on steering gear

Info

Publication number: CN215824004U
Application number: CN202121711540.2U
Authority: CN
Inventors: 陈卫; 邓锋
Original assignee: Jingzhou Xiangda Machinery Manufacturing Co ltd
Current assignee: Jingzhou Xiangda Machinery Manufacturing Co ltd
Priority date: 2021-07-27
Filing date: 2021-07-27
Publication date: 2022-02-15
Anticipated expiration: 2031-07-27

Abstract

The utility model relates to the technical field of automobile part processing, and discloses a forming unit of a rocker shaft blank on a steering gear, which comprises a base, a fixed die arranged on the base, a movable die arranged on the fixed die, a lifting pressure seat arranged on the base, a hydraulic system for driving the lifting pressure seat to lift, a push rod, a demoulding oil cylinder for driving the push rod to lift, and a discharging seat. The utility model realizes the one-step forming of the rocker arm shaft blank by the hot extrusion of the iron rod by the extruder group, can automatically unload materials and has high production efficiency.

Description

Forming unit for rocker shaft blank on steering gear

Technical Field

The utility model relates to the technical field of automobile part processing, in particular to a forming unit for a rocker shaft blank on a steering gear.

Background

The steering rocker shaft is a special-shaped piece with fan-shaped blocks, is also a core component of the circulating ball type steering gear of the automobile, and is mainly applied to engineering automobiles, large buses and off-road automobiles. The general processing method uses hot die forging to produce metal blank forgings, cuts flashes, then cuts and processes tooth shapes, and needs 3 to 4 processes to finish the process.

The existing rocker arm shaft forming device has the technical problems that: the workpiece formed by hot extrusion is not easy to demould, one forming device can only process one metal blank at the same time, and the production efficiency is too low.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a forming unit of a rocker arm shaft blank on a steering gear, which realizes one-step forming of the rocker arm shaft blank by hot extrusion of an extruder group on an iron rod, can automatically unload materials, can process two workpieces simultaneously and has high production efficiency.

The technical purpose of the utility model is realized by the following technical scheme: including the frame, install in the fixed mould of frame, install in movable mould, lift on the fixed mould press seat, drive hydraulic system, push rod, the drive that the lift of seat was pressed in the lift stripper cylinder, the seat of unloading that the push rod goes up and down, fixed mould has seted up mesopore one, and the die has been seted up to mesopore lateral wall, the movable mould has seted up mesopore two, peg graft in the push rod upper end in the mesopore one, the discharge opening has been seted up to the seat of unloading, lift is pressed the seat and is installed pressure head, discharge rod, the pressure head is located mesopore two tops, discharge rod can imbed in the mesopore two.

The utility model is further provided with: the upper end of the discharging seat is provided with a positioning groove, the positioning groove can accommodate the movable die, the side wall of the discharging seat is provided with a discharging cavity, a discharging hole is formed in the positioning groove, the upper end of the discharging hole is communicated with the positioning groove, and the lower end of the discharging hole is communicated with the discharging cavity.

The utility model is further provided with: the first fixed die is provided with a first groove, the first groove can accommodate one end of the movable die, and the first middle hole is formed in the positioning groove.

The utility model is further provided with: the base is provided with a die holder, the fixed die is arranged on the die holder, the die holder is provided with a second groove, the second groove can accommodate the fixed die, the second groove is provided with a first through hole corresponding to the first central hole, the upper end of the push rod is inserted into the first through hole, and the fixed die is fixedly connected to the second groove through a bolt.

The utility model is further provided with: a plurality of fixing rods are fixed in the second groove, a plurality of first bolt holes are formed in the fixing die and are located on the outer side of the positioning groove, and nuts are connected to the fixing rods in a threaded mode after the fixing rods penetrate through the corresponding first bolt holes.

The utility model is further provided with: the fixing die is characterized in that a cover plate is fixedly connected to the upper bolt of the fixing die, a second through hole corresponding to the positioning groove is formed in the cover plate, a second bolt hole corresponding to the fixing rod is formed in the cover plate, and the fixing rod sequentially penetrates through the first bolt hole and the second bolt hole and is connected with a nut in a threaded mode.

The utility model is further provided with: a grab handle is fixed on the side wall of the movable mould.

The utility model is further provided with: the cover plate is provided with a plurality of fixing blocks for placing the grab handle.

The utility model is further provided with: the machine base is fixedly provided with four guide posts, the lifting pressing base is provided with four guide sleeves, and the guide posts penetrate through the guide sleeves; the hydraulic system is a hydraulic machine.

Compared with the prior art, the utility model has the beneficial effects that: 1. the lifting pressing seat moves downwards to drive the pressing head, the pressing head is used for extruding the fixed die and the metal blank in the movable die, then an ejection mechanism I at the bottom of the die holder ejects the extruded workpiece together with the movable die, then the movable die is moved onto the die holder, and then the lifting pressing seat moves downwards after return stroke again to drive the discharging rod to discharge the workpiece from the movable die.

2. Because the lifting pressing seat is provided with the pressing head and the discharging rod, and when the hydraulic press drives the lifting pressing seat to move downwards, the pressing head and the discharging rod can move downwards simultaneously, two movable dies can be used for respectively mounting a metal blank, the lifting pressing seat moves downwards once, one of the metal blanks is extruded simultaneously, and the other extruded metal blank is ejected.

3. The unloading seat is provided with an unloading cavity, and the unloading hole is communicated with the unloading cavity, so that workpieces falling after being ejected can be conveniently picked up, and manufacturing materials are reduced; a plurality of fixed rods are fixed in the positioning grooves and are used for facilitating the mounting and dismounting of the fixed die, and a cover plate connected by bolts is arranged on the fixed die and is used for further reinforcing the fixed die, so that the workpiece, the movable die and the fixed die are prevented from being ejected out together by a push rod; four guide posts are arranged for guiding the lifting pressing seat.

4. The side wall of the movable mould is fixed with a grab handle to facilitate moving the movable mould, and the upper end of the die holder is provided with a plurality of fixed blocks used for preventing the grab handle, so that the weight of the grab handle is prevented from influencing the movable mould, and the movable mould is prevented from inclining.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

FIG. 1 is a schematic view showing the overall structure of an embodiment of a molding machine set for a rocker shaft blank on a steering gear;

FIG. 2 is a schematic structural diagram of an embodiment of a forming unit for a rocker shaft blank on a steering gear;

FIG. 3 is a schematic structural diagram of an embodiment of a forming unit for a rocker shaft blank on a steering gear;

FIG. 4 is a schematic structural view of an embodiment of a forming unit for a rocker shaft blank on a steering gear;

in the figure, 1, a machine base; 2. a die holder; 21. fixing the mold; 211. a first mesopore; 2111. a female die; 212. a first groove; 22. A movable mold; 221. a second mesopore; 222. a handle; 23. a push rod; 24. a demoulding oil cylinder; 25. a second groove; 251. fixing the rod; 26. a cover plate; 261. a second through hole; 262. a fixed block; 3. a guide post; 4. lifting and pressing the base; 41. a pressure head; 42. a discharge rod; 5. a discharging seat; 51. a positioning groove; 511. and a discharge hole.

Detailed Description

The technical solution of the present invention will be clearly and completely described below with reference to the accompanying drawings and specific embodiments. It is to be understood that the described embodiments are merely a few embodiments of the utility model, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without any inventive step, are within the scope of the present invention.

A forming unit of a rocker shaft blank on a steering gear is shown in figures 1 to 4 and comprises a base 1, a lifting pressing base 4 arranged on the base 1, two guide posts 3 arranged on the left side and the right side of the base 1 and positioned at the two ends of the base 1, four guide sleeves arranged on the lifting pressing base 4, and the guide posts 3 penetrating through the guide sleeves; the lifting pressure base 4 is also provided with a hydraulic machine for driving the lifting pressure base 4 to move up and down, and the lifting pressure base 4 is provided with a pressure head 41 and a discharge rod 42.

The base 1 is also provided with a die holder 2, the die holder 2 is provided with a second groove 25 capable of accommodating the fixed die 21, the outer side of the second groove 25 is provided with a plurality of fixed blocks 262, the second groove 25 is provided with a first through hole, a plurality of fixed rods 251 are fixed in the second groove 25, the fixed die 21 is provided with a first groove 212 capable of accommodating the movable die 22, the outer side of the positioning groove 51 is provided with a plurality of first bolt holes, the fixed die 21 is provided with a cover plate 26, the cover plate 26 is provided with a second through hole 261 corresponding to the first groove 212, the cover plate 26 corresponds to the second bolt hole of the fixed rod 251, each fixed rod 251 is connected with a nut after sequentially passing through the corresponding first bolt hole and the corresponding second bolt hole, and the cover plate 26 is also provided with a plurality of fixed blocks 262; a first middle hole 211 corresponding to the first through hole is formed in the first groove 212, and a concave die 2111 for manufacturing a fan-shaped part of a workpiece is formed in the side wall of the first middle hole 211; the movable mould 22 is positioned on the first groove 212, a handle 222 is fixed on the side wall of the movable mould 22, and the handle 222 can be arranged on the fixed block 262 to prevent the weight of the movable mould 22 from causing the inclination of the movable mould 22; the movable die 22 is provided with a second middle hole 221 corresponding to the first middle hole 211, the first middle hole 211 and the second middle hole 221 have the same axial diameter and are used for accommodating a workpiece, and the pressure head 41 on the lifting pressure seat 4 is positioned above the second middle hole 221 of the movable die 22.

The bottom of the die holder 2 is provided with a discharge rod 42 and a demoulding oil cylinder 24, the discharge rod 42 is positioned above the demoulding oil cylinder 24, the demoulding oil cylinder 24 is used for driving a first ejection rod, and the upper end of the push rod 23 is inserted into the first through hole and used for abutting against the lower end of the metal blank. Still be equipped with unloading seat 5 on

frame

1, 5 upper ends of unloading seat are equipped with positioning groove 51, positioning groove 51 can hold movable mould 22, positioning groove 51 is equipped with the discharge opening 511 that corresponds second mesopore 221, the unloading chamber has been seted up to 5 lateral walls of unloading seat, and the discharge opening 511 upper end is linked together with positioning groove 51, the discharge opening 511 lower extreme is linked together with the chamber of unloading, can conveniently take out the work piece, the discharge rod 42 on the lift pressure seat 4 is located the top of discharge opening 511, the discharge rod 42 can be inlayed and is unloaded the work piece from movable mould 22 in the second mesopore 221.

The working process is as follows: firstly, the movable mould 22 is placed in the positioning groove 51 of the fixed mould 21, and the handle 222 of the movable mould 22 is placed on the fixed block 262; then the metal blank which is burnt red is put into the second middle hole 221 of the movable die 22, the bottom end of the metal blank falls into the first middle hole 211, the hydraulic press is started to enable the lifting pressing base 4 to drive the pressing head 41 to move downwards, the pressing head 41 extrudes the metal blank until the metal blank is pressed tightly in the moving process, the bottom end of the metal blank is supported by the discharging rod 42 at the bottom of the die holder 2, the metal blank flows and deforms under the combination of the movable die 22 and the fixed die 21 in the extruding process, the metal blank starts to flow into the female die 2111, when the female die 2111 is filled with the metal blank, the hydraulic press enables the lifting pressing base 4 to drive the pressing head 41 to return, then the push rod 23 is enabled to move upwards by the oil cylinder demoulding 24 to enable the metal blank to be ejected out from the fixed die 21 together with the movable die 22, the holding handle 222 is used for placing the movable die 22 in the groove of the discharging base 5, then the hydraulic press is started again to enable the lifting pressing base 4 to drive the discharging rod 42 to move downwards, the discharging rod 42 is aligned with the second middle hole 221 to eject the formed metal blank.

It should be noted that, in the present specification, the embodiments are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments may be referred to each other.

The above description is only for the purpose of describing the preferred embodiments of the present invention, and is not intended to limit the scope of the present invention, and any variations and modifications made by those skilled in the art based on the above disclosure are within the scope of the appended claims.

Claims

1. A molding machine set of a rocker shaft blank on a steering gear is characterized in that: comprises a machine base (1), a fixed mould (21) arranged on the machine base (1), a movable mould (22) arranged on the fixed mould (21), a lifting pressure seat (4), a hydraulic system for driving the lifting pressure seat (4) to lift, a push rod (23), a demoulding oil cylinder (24) for driving the push rod (23) to lift and a discharging seat (5), the fixed die (21) is provided with a first middle hole (211), the side wall of the first middle hole (211) is provided with a female die (2111), the movable mould (22) is provided with a second middle hole (221), the upper end of the push rod (23) is inserted into the first middle hole (211), the discharging seat (5) is provided with a discharging hole (511), the lifting pressing seat (4) is provided with a pressing head (41) and a discharging rod (42), the pressure head (41) is positioned above the second middle hole (221), and the discharging rod (42) can be embedded into the second middle hole (221).

2. The forming machine set of the rocker shaft blank on the steering gear as claimed in claim 1, wherein: positioning groove (51) have been seted up to unloading seat (5) upper end, positioning groove (51) can hold movable mould (22), unloading chamber has been seted up to unloading seat (5) lateral wall, positioning groove (51) are seted up discharge opening (511) in, discharge opening (511) upper end with positioning groove (51) are linked together, discharge opening (511) lower extreme with the chamber of unloading is linked together.

3. The forming machine set of the rocker shaft blank on the steering gear as claimed in claim 2, wherein: a first groove (212) is formed in the first fixed die (21), the first groove (212) can accommodate one end of the movable die (22), and a first middle hole (211) is formed in the positioning groove (51).

4. The forming machine set of the rocker shaft blank on the steering gear as claimed in claim 3, wherein: the die holder (2) is installed on the base (1), the fixing die (21) is installed on the die holder (2), a second groove (25) is formed in the die holder (2), the second groove (25) can accommodate the fixing die (21), a first through hole corresponding to the first middle hole (211) is formed in the second groove (25), the upper end of the push rod (23) is inserted into the first through hole, and the fixing die (21) is fixedly connected to the second groove (25) through a bolt.

5. The forming machine set for the rocker shaft blank on the steering gear as claimed in claim 4, wherein: a plurality of fixing rods (251) are fixed in the second groove (25), a plurality of first bolt holes are formed in the fixing mold (21), the first bolt holes are located on the outer side of the positioning groove (51), and nuts are connected to the fixing rods (251) in a threaded mode after the fixing rods penetrate through the corresponding first bolt holes.

6. The forming machine set for the rocker shaft blank on the steering gear as claimed in claim 5, wherein: the fixing die is characterized in that a cover plate (26) is fixedly connected to the fixing die (21) through bolts, a second through hole (261) corresponding to the positioning groove (51) is formed in the cover plate (26), a second bolt hole corresponding to the fixing rod (251) is formed in the cover plate (26), and the fixing rod (251) penetrates through the corresponding first bolt hole and the corresponding second bolt hole in sequence and is connected with a nut through threads.

7. The forming machine set for the rocker shaft blank on the steering gear as claimed in claim 6, wherein: a grab handle (222) is fixed on the side wall of the movable mould (22).

8. The forming machine set for the rocker shaft blank body on the steering gear as claimed in claim 7, wherein: the cover plate (26) is provided with a plurality of fixing blocks (262) for placing the grab handle (222).

9. The forming machine set of the rocker shaft blank on the steering gear as claimed in claim 1, wherein: four guide posts (3) are fixed on the base (1), four guide sleeves are mounted on the lifting pressing base (4), and the guide posts (3) penetrate through the guide sleeves; the hydraulic system is a hydraulic machine.