CN215090451U

CN215090451U - Free forging and upsetting equipment convenient for reversing

Info

Publication number: CN215090451U
Application number: CN202121412064.4U
Authority: CN
Inventors: 罗俊
Original assignee: Changde Huazhou Machinery Forging Co ltd
Current assignee: Changde Huazhou Machinery Forging Co ltd
Priority date: 2021-06-24
Filing date: 2021-06-24
Publication date: 2021-12-10
Anticipated expiration: 2031-06-24

Abstract

The utility model belongs to the technical field of free forging, in particular to a free forging upsetting device convenient for reversing, which comprises a workbench, wherein a lower bearing platform for placing a workpiece is fixedly connected on the top surface of the workbench, a hydraulic hammer is fixedly connected above the lower bearing platform through a support plate, and a handheld arc-shaped shield is placed between the top surface of the workpiece and the hydraulic hammer; one side of the lower bearing table is fixedly connected with a rotating motor, an output shaft of the rotating motor is fixedly connected with a tensioning assembly, and the tensioning assembly extends into a central hole of a workpiece placed on the lower bearing table. The utility model discloses compare artifically, greatly reduced intensity of labour.

Description

Free forging and upsetting equipment convenient for reversing

Technical Field

The utility model relates to a forge technical field, concretely relates to upset forging equipment freely convenient to switching-over.

Background

Free forging refers to a method of forging and forming a metal using a simple tool and an open die, and basic steps of free forging include upsetting, drawing, punching, and the like. The free forging and upsetting equipment in the prior art can only reverse the workpiece with the center hole by means of an auxiliary tool by manpower, has high labor intensity and has safety risk.

Disclosure of Invention

To the not enough of above-mentioned prior art existence, the utility model aims at providing a free forging and upsetting equipment of switching-over of being convenient for of structural design is reasonable.

In order to achieve the above purpose, the utility model adopts the technical scheme that: a free forging and upsetting device convenient for reversing comprises a workbench and is characterized in that a lower bearing platform used for placing a workpiece is fixedly connected to the top surface of the workbench, a hydraulic hammer is fixedly connected above the lower bearing platform through a supporting plate, and a handheld arc-shaped shield is placed between the top surface of the workpiece and the hydraulic hammer; one side of the lower bearing table is fixedly connected with a rotating motor, an output shaft of the rotating motor is fixedly connected with a tensioning assembly, and the tensioning assembly extends into a central hole of a workpiece placed on the lower bearing table.

Furthermore, the tensioning assembly comprises a hydraulic cylinder, a fixed disc and four tensioning claws, wherein a hole is formed in the center of the fixed disc with a circular cross section, the fixed disc is sleeved on the outer wall of the cylinder barrel of the hydraulic cylinder and is fixedly welded with the outer wall of the cylinder barrel, four sliding rails are fixed on one side of the fixed disc, which is far away from the rotating motor, and are uniformly distributed along the radial direction of the fixed disc, and the inner end and the outer end of each sliding rail are sealed; each sliding rail is in sliding fit and is limited by a sliding block, each sliding block is fixedly connected with a first connecting rod, the first connecting rods are parallel to piston rods of the hydraulic cylinders, the outer side of each first connecting rod is fixedly connected with a tensioning claw, and the diameter of a circle formed by the four tensioning claws when the four tensioning claws are expanded outwards to the maximum position is larger than the outer diameter of the fixed disc; four sliding grooves are formed in the position, far away from the rotating motor, of the outer wall of the cylinder barrel of the hydraulic cylinder, the four sliding grooves correspond to the four sliding rails one by one, the four sliding grooves and the four sliding rails are distributed orthogonally, a second connecting rod is matched in each sliding groove in a sliding mode, each second connecting rod is hinged to two connecting rods, and the other end of each second connecting rod hinged to the two connecting rods is hinged to the corresponding first connecting rod in a corresponding position; four second connecting rods are fixedly connected to the piston rod end of the hydraulic cylinder.

Furthermore, a V-shaped guide groove is arranged on the lower bearing platform. The workpiece is conveniently guided and placed relatively stably.

Compared with the prior art, the utility model discloses the beneficial effect who possesses is:

the utility model discloses a setting such as tight subassembly, rotating electrical machines rise can drive the work piece and rotate in the free upsetting process of forging and upsetting, realizes the switching-over. Compared with manual work, the labor intensity is greatly reduced.

Drawings

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

fig. 2 is a schematic structural view of the tension assembly and the rotating motor of the present invention;

the device comprises a workbench, a lower bearing table, 2.1 guide grooves, 3 hydraulic hammers, 4 arc-shaped shields, 5 rotating motors, 6 hydraulic cylinders, 7 fixed discs, 8 sliding rails, 9 sliding blocks, 10 first connecting rods, 11 tensioning claws, 12 sliding grooves, 13 second connecting rods, 14 connecting rods, 15 workpieces, 16 supporting plates and a support plate.

Detailed Description

In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

It should be noted that, in the present application, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "center", "vertical", "horizontal", "lateral", "longitudinal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings. These terms are used primarily to better describe the present application and its embodiments, and are not used to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation.

Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meaning of these terms in this application will be understood by those of ordinary skill in the art as appropriate.

In addition, the details are not described below with reference to the prior art and the conventional common knowledge, and the terms "fixedly connecting", "fixing", and the like are conventional bolt fixing, welding, and the like.

As shown in fig. 1-2, the free forging and upsetting device convenient for reversing comprises a workbench 1, a lower bearing platform 2 for placing a workpiece is fixedly connected to the top surface of the workbench 1, and a V-shaped guide groove 2.1 is formed in the lower bearing platform 2, so that the workpiece can be conveniently guided and placed relatively stably; a hydraulic hammer 3 is fixedly connected above the lower bearing platform 2 through a support plate 16, the support plate 16 is fixedly connected on the workbench 1, a handheld arc-shaped shield 4 is arranged between the top surface of a workpiece 15 and the hydraulic hammer 3, and a handheld rod is fixedly connected to the front side of the arc-shaped shield 4 of the handheld arc-shaped shield 4; the rear side of the lower bearing table 2 is provided with a rotating motor 5, an n-shaped hole is formed in the supporting plate 16 and corresponds to the rear side of the lower bearing table 2, the rotating motor 5 is fixedly connected to the rear side of the n-shaped hole of the supporting plate 16, an output shaft of the rotating motor 5 penetrates out of the n-shaped hole of the supporting plate 16 and is fixedly connected with a tensioning assembly, and the tensioning assembly extends into a central hole of a workpiece 15 placed on the lower bearing table 2.

The tensioning assembly comprises a hydraulic cylinder 6, a fixed disc 7 and four tensioning claws 11, wherein a hole is formed in the center of the fixed disc 7 with a circular cross section, the fixed disc 7 is sleeved on the outer wall of a cylinder barrel of the hydraulic cylinder 6 and is fixedly welded with the outer wall of the cylinder barrel, four sliding rails 8 are fixedly connected to one side, far away from the rotating motor 5, of the fixed disc 7, the cross section of each sliding rail 8 is in a horizontal T shape, the four sliding rails 8 are uniformly distributed along the radial direction of the fixed disc 7, and the inner end and the outer end of each sliding rail 8 are sealed; a sliding block 9 is matched in each sliding rail 8 in a sliding manner, the section of each sliding block 9 is also in a horizontal T shape, and the sliding blocks 9 are clamped in the sliding rails 8 to realize limiting; each sliding block 9 is fixedly connected with a first connecting rod 10, the first connecting rods 10 are parallel to piston rods of the hydraulic cylinders 6, the outer side of each first connecting rod 10 is fixedly connected with a tensioning claw 11, the diameter of a circle defined by the four tensioning claws 11 when the four tensioning claws 11 are expanded outwards to the maximum position is larger than the outer diameter of the fixed disc 7, and the outer diameter of the fixed disc 7 is smaller than the inner diameter of a central hole of a workpiece 16; four sliding grooves 12 are formed in a section of the outer peripheral wall of the cylinder barrel of the hydraulic cylinder 6, which is far away from the rotating motor 5, the four sliding grooves 12 correspond to the four sliding rails 8 one by one, and the corresponding sliding grooves and sliding rails are orthogonally distributed, a second connecting rod 13 is matched in each sliding groove 12 in a sliding manner, two connecting rods 14 are hinged to each second connecting rod 13, and the other ends of the two connecting rods 14 hinged to each second connecting rod 13 are hinged to the corresponding first connecting rods 10 in a matching manner; four second connecting rods 13 are all fixedly connected to the free end of the piston rod of the hydraulic cylinder 6.

During the use, the telescopic link through pneumatic cylinder 6 extends, drives four second connecting rods 13 and extends, then under the effect of connecting rod 14, the pulling four first connecting rods 10 are drawn together to the center, then drive four tight claws 11 that rise and draw together to the maximum state to the center, then aim at the centre bore of work piece and down plummer 2 facial make-up work piece, then carry out the upset according to conventional mode, when upsetting promptly, through the workman hand-held arc guard 4 place the top of work piece in, hydraulic hammer 3 pushes down and beats on the arc guard, realize the upset to the work piece. When the direction needs to be changed, the telescopic rod of the hydraulic cylinder 6 retracts to drive the second connecting rod 13 to return, under the action of the connecting rods 14, the four first connecting rods 10 are enabled to slide outwards to realize that the tensioning claw 11 is expanded outwards to be tightly attached to the inner wall of the central hole of the workpiece, and finally, the rotating motor (a stepping motor) acts to drive the workpiece to rotate for a certain angle to realize the direction change.

Claims

1. A free forging and upsetting device convenient for reversing comprises a workbench and is characterized in that a lower bearing platform used for placing a workpiece is fixedly connected to the top surface of the workbench, a hydraulic hammer is fixedly connected above the lower bearing platform through a supporting plate, and a handheld arc-shaped shield is placed between the top surface of the workpiece and the hydraulic hammer; one side of the lower bearing table is fixedly connected with a rotating motor, an output shaft of the rotating motor is fixedly connected with a tensioning assembly, and the tensioning assembly extends into a central hole of a workpiece placed on the lower bearing table.

2. The free forging and upsetting device convenient for reversing as recited in claim 1, wherein the tensioning assembly comprises a hydraulic cylinder, a fixed disk and four tensioning claws, wherein a hole is formed in the center of the fixed disk with a circular cross section, the fixed disk is sleeved on the outer wall of a cylinder barrel of the hydraulic cylinder and is welded and fixed with the cylinder barrel, four sliding rails are fixed on one side of the fixed disk, which is far away from the rotating motor, the four sliding rails are uniformly distributed along the radial direction of the fixed disk, and the inner end and the outer end of each sliding rail are sealed; each sliding rail is in sliding fit and is limited by a sliding block, each sliding block is fixedly connected with a first connecting rod, the first connecting rods are parallel to piston rods of the hydraulic cylinders, the outer side of each first connecting rod is fixedly connected with a tensioning claw, and the diameter of a circle formed by the four tensioning claws when the four tensioning claws are expanded outwards to the maximum position is larger than the outer diameter of the fixed disc; four sliding grooves are formed in the position, far away from the rotating motor, of the outer wall of the cylinder barrel of the hydraulic cylinder, the four sliding grooves correspond to the four sliding rails one by one, the four sliding grooves and the four sliding rails are distributed orthogonally, a second connecting rod is matched in each sliding groove in a sliding mode, each second connecting rod is hinged to two connecting rods, and the other end of each second connecting rod hinged to the two connecting rods is hinged to the corresponding first connecting rod in a corresponding position; four second connecting rods are fixedly connected to the piston rod end of the hydraulic cylinder.

3. The free-forging upsetting apparatus as recited in claim 1 or 2, wherein a V-shaped guide groove is formed on the lower carrier.