CN112823957A

CN112823957A - Can prevent that bellied forging equipment from appearing in part surface when large-scale annular is forged

Info

Publication number: CN112823957A
Application number: CN201911138770.1A
Authority: CN
Inventors: 贺璟; 陈一; 曾广胜
Original assignee: Hunan University of Technology
Current assignee: Hunan University of Technology
Priority date: 2019-11-20
Filing date: 2019-11-20
Publication date: 2021-05-21

Abstract

The invention relates to the technical field of forging, and discloses forging equipment capable of preventing the surface of a part from being raised during large-scale annular forging, which comprises a spring deformation wheel, wherein a return spring is fixedly connected inside the spring deformation wheel, one side of the return spring, which is close to a wheel center, is fixedly connected with a hydraulic tank, a liquid baffle plate is slidably connected inside the hydraulic tank, the top of an adjusting rod is fixedly connected with an elastic rod, a gasket is arranged at the top of the adjusting rod, a cross rod is fixedly connected to the bottom of a supporting rod and positioned above the gas baffle plate, the upper surface of the cross rod is fixedly connected with the cross rod, and two sides of the cross rod are fixedly connected with stretching rods through connecting ropes. This can prevent that bellied forging equipment from appearing in part surface when large-scale annular forges uses through the cooperation of adjusting pole and pneumatic cylinder to reach the effect that the even and whole of part can not take place deformation of the inside and outside atress that makes the part.

Description

Can prevent that bellied forging equipment from appearing in part surface when large-scale annular is forged

Technical Field

The invention relates to the technical field of forging, in particular to forging equipment capable of preventing the surface of a part from being raised during large-scale annular forging.

Background

Forging is a processing method for applying pressure to a metal blank by using a forging and pressing machine to enable the metal blank to generate plastic deformation so as to obtain a forging with certain mechanical property, certain shape and certain size, and is one of two major components of forging and pressing.

The forging is widely applied to the processing of various parts due to the superior quality of the forging, but most of the parts are blocky parts in a three-dimensional form, when the parts are in an annular shape, the forging of a curved surface is often difficult to carry out, because the stress on the inner side and the outer side of the annular part is uneven during the forging, the annular part is integrally deformed due to the strong pressure applied to the forging, even if the shape of the inner circle of the part is changed, the integral functional structure is enabled not to be used, the existing equipment only forges the side surface of the annular part, and the inner side and the outer side of the annular part cannot be forged, so that the strength of the part cannot be integrally improved, and in addition, the surface of the annular part is not forged tightly, so that the surface protrusion phenomenon is caused.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides forging equipment capable of preventing the surface of a part from being raised during large-scale annular forging, which has the advantages of integrally deforming and preventing the surface from being raised during the forging of the annular part and the like, and solves the problems that the side surface of the annular part can only be forged, the strength of the part cannot be integrally improved, and the surface cannot be prevented from being raised in the prior art.

(II) technical scheme

In order to realize the purpose of integrally deforming and preventing the surface from being raised when the annular part is forged, the invention provides the following technical scheme: a forging device capable of preventing the surface of a part from being raised during large-scale annular forging comprises a spring deformation wheel, wherein a reset spring is fixedly connected inside the spring deformation wheel, one side of the reset spring, which is close to the wheel center, is fixedly connected with a hydraulic box, the inside of the hydraulic box is slidably connected with a liquid baffle plate, the top of the liquid baffle plate is fixedly connected with a hollow ejector rod, the outside of the spring deformation wheel is connected with a transverse telescopic rod through an annular part in a rolling manner, a supporting wheel is fixedly connected between the two transverse telescopic rods, a supporting column is arranged on the outside of the supporting wheel, a pneumatic cylinder is fixedly connected at the top of the supporting column, a gas baffle plate is slidably connected inside the pneumatic cylinder, a supporting rod is fixedly connected at the top of the gas baffle plate, an elastic rod is fixedly connected at the top of the adjusting rod, a gasket is arranged at the top of the adjusting rod, and, the upper surface of the cross rod is fixedly connected with the cross rod, and two sides of the cross rod are fixedly connected with stretching rods through connecting ropes.

Preferably, the bottom of the supporting wheel is provided with a telescopic device for controlling the lifting of the annular part.

Preferably, a limiting valve is arranged in the hollow ejector rod to prevent the marking liquid from flowing out when the hydraulic tank is not extruded by the bulge.

Preferably, the gasket is connected with a connecting body arranged in the pad head through the punch, so that the punch and the pad head cannot be clamped when being bent.

Preferably, one side of the telescopic rod, which is far away from the supporting wheel, is provided with a rotating wheel for controlling the rotation of the annular part.

Preferably, the two sides of the adjusting rod are provided with supporting rods, so that the impact force of the punch is counteracted, and the adjusting rod is prevented from being crushed.

Preferably, a rotating wheel is arranged between the cross rod and the stretching rod to change the direction of the force.

Preferably, the top of the stretching rod is provided with a clamping rod, so that the elastic rod in the punch is prevented from losing the deformation force and recovering the original bending state due to the fact that the connecting rope is loosened when the punch falls.

(III) advantageous effects

Compared with the prior art, the invention provides forging equipment capable of preventing the surface of a part from being raised during large-scale annular forging, which has the following beneficial effects:

1. the forging equipment capable of preventing the surface of a part from being raised during large-scale annular forging is used by matching an adjusting rod with a pneumatic cylinder, is combined with the auxiliary use of a transverse rod and an elastic rod, places an annular part on the top of a gasket, adjusts the height of the adjusting rod by the pneumatic cylinder, changes the bending degree of the elastic rod, is fixedly connected with a connecting body rotationally connected with the bottom of the gasket, so that the gasket can be bent along with the bending of the elastic rod until the gasket is completely attached to the inner surface of the part, because the size of the gasket is small, a cushion plate formed by the gasket can be regarded as a smooth curved surface, does not influence forging, and in the process of adjusting the height of the adjusting rod, because the transverse rod and the adjusting rod are both arranged on a gas baffle, the moving height of the transverse rod and the adjusting rod is the same, and the two sides of the transverse rod are, the transverse rod moves downwards along with the transverse rod, the connecting rope is pulled, the connecting rope changes the pulling direction through the rotating wheel, the connecting rope generates upward pulling force on the stretching rod, the pulling stops, the connecting rope is clamped through the clamping rod at the top of the stretching rod, the stretching rod is fixedly connected with the two sides of the punch, the elastic rod is arranged in the punch and is fixedly connected with the connecting body, the bottom of the connecting body is rotatably connected with the gasket, the bending degree of the elastic rod can be changed by the punch, the bending degree of the elastic rod in the punch and the gasket is the same due to the connecting rope, the bending angles of the punch and the gasket are the same, when the forging is started, the punch and the gasket can be completely attached to the inner surface and the outer surface of the curved surface of the part, the impact force of the punch can be borne by the supporting rod at the bottom of the gasket, the bottom of the part can not be subjected to impact force, and the, only can be stretched on the original basis, thereby achieving the effects of enabling the stress on the inner side and the outer side of the part to be uniform and preventing the whole part from deforming.

2. The forging equipment capable of preventing the surface of a part from being raised during large-scale annular forging is used by matching an elastic deformation wheel with a telescopic rod, is combined with the auxiliary use of a reset spring and a hydraulic tank, is used for extending the telescopic rods on two sides of a supporting wheel when the annular part needs to be rotated in the forging process of the annular part, so that the rotating wheel on one side of the telescopic rod, which is far away from the supporting wheel, is contacted with the inner surface of the part, the friction force between the rotating wheel and the inner surface of the part is increased, then a telescopic device at the bottom of the supporting wheel is started, the supporting wheel is lifted, the annular part is propped up to be away from a cushion head, a motor connected with the rotating wheel is started again, the rotating wheel is rotated, the part can rotate along with the rotating wheel due to the friction force between the rotating wheel and the inner surface of the part, the elastic deformation wheel can also, when protruding and spring deformation wheel contact, the arch can compress reset spring and compress hollow ejector pin simultaneously, and hollow ejector pin will be through keeping off liquid board compression hydraulic tank, makes the interior mark liquid of hydraulic tank push away open the restriction valve until protruding on, with protruding mark, the workman will discover these invisible archs of naked eye, carries out to forging elimination arch to prevent when reaching forging that bellied effect appears in the surface.

Drawings

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

FIG. 2 is an enlarged view of the internal mechanism of the spring deformation wheel of the present invention;

FIG. 3 is an enlarged view of the mechanism associated with the stretch rod of the present invention;

FIG. 4 is an enlarged view of the structure and adjustment lever connecting mechanism of the present invention;

FIG. 5 is an enlarged view of the joint between the telescopic rod and the annular part according to the present invention;

FIG. 6 is an enlarged view of the interior of the restriction valve of the present invention.

In the figure: 1-spring deformation wheel, 2-reset spring, 3-hydraulic tank, 4-hollow ejector rod, 5-liquid baffle, 6-support column, 7-support wheel, 8-telescopic rod, 9-pneumatic cylinder, 10-adjusting rod, 11-gas baffle, 12-cross rod, 13-elastic rod, 14-gasket and 15-stretching rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the 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 invention.

Referring to fig. 1-6, a forging apparatus capable of preventing the surface of a large-scale annular part from being raised during forging comprises a spring deformation wheel 1, a return spring 2 is fixedly connected inside the spring deformation wheel 1, a hydraulic tank 3 is fixedly connected to one side of the return spring 2 close to the wheel center, the hydraulic tank 3 is made of stainless steel, so that the apparatus can be effectively prevented from being corroded, the service life of the apparatus is greatly prolonged, the production cost is reduced, and the apparatus has an indispensable effect on enterprises, a liquid baffle plate 5 is slidably connected inside the hydraulic tank 3, a hollow mandril 4 is fixedly connected to the top of the liquid baffle plate 5, a limiting valve is arranged in the hollow mandril 4 to prevent the marking liquid from flowing out when the hydraulic tank 3 is not extruded by the raised, a transverse telescopic rod 8 is connected to the outer side of the spring deformation wheel 1 in a rolling manner through an annular part, and a rotating wheel is arranged on one side of the spring, the rotation of the annular part is controlled, a supporting wheel 7 is fixedly connected between two transverse telescopic rods 8, a telescopic device is arranged at the bottom of the supporting wheel 7, the lifting of the annular part is controlled, a supporting column 6 is arranged on the outer side of the supporting wheel 7, a pneumatic cylinder 9 is fixedly connected to the top of the supporting column 6, the pneumatic cylinder 9 is made of stainless steel, the equipment can be effectively prevented from being corroded, the service life of the equipment is greatly prolonged, the production cost is reduced, an indispensable effect is brought to an enterprise, a gas baffle plate 11 is slidably connected to the inside of the pneumatic cylinder 9, a supporting rod 10 is fixedly connected to the top of the gas baffle plate 11, supporting rods are arranged on two sides of the adjusting rod 10, the impact force of a punch is offset, the adjusting rod 10 is prevented from being crushed, an elastic rod 13 is fixedly connected to the top of the adjusting rod 10, a gasket 14 is arranged on the top, make drift and pad head can not die at the card when the bending, the top fixedly connected with horizontal pole 12 that the bottom of bracing piece 10 just is located gas baffle 11, the material of horizontal pole 12 is the stainless steel, can prevent effectively that equipment from being corroded, very big extension the service life of equipment, manufacturing cost is reduced, there is indispensable effect to the enterprise, the direction of the change power, the both sides of horizontal pole 12 are through connecting the tensile pole 15 of rope fixedly connected with, the top of tensile pole 15 is provided with the kelly, prevent to connect the rope in the drift whereabouts and relax and lead to in the drift elastic rod 13 lose the deformation power and resume original bending state.

The working principle is as follows: the annular part is placed on the top of a gasket 14, the height of an adjusting rod 10 is adjusted through a pneumatic cylinder 9, the bending degree of an elastic rod 13 is changed, a connecting body which is rotatably connected with the bottom of the gasket 14 is fixedly connected with the elastic rod 13, so the gasket 14 can bend along with the bending of the elastic rod 13 until the gasket 14 completely fits the inner surface of the part, a cushion plate formed by the gasket 14 can be seen as a smooth curved surface due to the small volume of the gasket 14, forging is not affected, in the process of adjusting the height of the adjusting rod 10, a cross rod 12 and the adjusting rod 10 are both arranged on an air baffle plate 11, so the moving heights of the cross rod 12 and the adjusting rod 10 are the same, stretching rods 15 are fixedly connected with two sides of the cross rod 12 through connecting ropes, when the cross rod 12 moves downwards, the connecting ropes are pulled downwards, the connecting ropes change of the direction of the tension through a rotating wheel, and the connecting ropes generate upward tension on the stretching, treat that the pulling stops when dead through the card pole card at tensile pole 15 top, and tensile pole 15 again with the both sides fixed connection of drift, the drift is inside again to be equipped with elastic rod 13 and connector fixed connection, connector bottom is rotated and is connected with gasket 14, so the drift can change the bending degree of elastic rod 13, and because the connecting rope makes the drift the same with the bending degree of the elastic rod 13 in the pad head, so the drift is the same with the bending angle of pad head, when beginning to forge, drift and pad head can be laminated with the curved surface inside and outside surface of part completely, the impact force of drift can be born by the bracing piece of pad head bottom, the bottom of part just can not receive the impact force, because what forge is large-scale annular part, the diameter is great, so the drift need not compress, only can stretch on original basis.

In the forging process of the annular part, when the annular part needs to be rotated, the telescopic rods 8 on two sides of the supporting wheel 7 are extended, the rotating wheel on one side, away from the supporting wheel 7, of each telescopic rod 8 is in contact with the inner surface of the part, the friction force between the rotating wheel and the inner surface of the part is increased, then the telescopic device at the bottom of the supporting wheel 7 is started, the supporting wheel 7 is lifted, the annular part is supported, the annular part is separated from the pad head, the motor connected with the rotating wheel is started, the rotating wheel is rotated, the part rotates along with the rotating wheel due to the friction force between the rotating wheel and the inner surface of the part, the elastic deformation wheel 1 is in contact with the annular part at the moment, the elastic deformation wheel also rotates along with the rotating wheel, when the outer surface of the annular part is protruded, when the protruded part is in contact with the spring deformation wheel 1, the restoring spring 2 is compressed by the, the marking liquid in the hydraulic tank 3 pushes the limiting valve open until the protrusion is marked, and workers can find the invisible protrusion and remove the protrusion by forging.

In summary, according to the forging equipment capable of preventing the surface of a part from being raised during large-scale annular forging, an adjusting rod 10 and a pneumatic cylinder 9 are matched for use, a cross rod 12 and an elastic rod 13 are combined for auxiliary use, the annular part is placed at the top of a gasket 14, the height of the adjusting rod 10 is adjusted through the pneumatic cylinder 9, the elasticity is changed, so that the gasket 14 can be bent along with the bending of the elastic rod 13 until the gasket 14 is completely attached to the inner surface of the part, the gasket 14 has a small volume, so that a cushion plate formed by the gasket 14 can be seen as a smooth curved surface, forging is not affected, in the process of adjusting the height of the adjusting rod 10, the cross rod 12 and the adjusting rod 10 are both arranged on an air baffle plate 11, so that the moving heights of the cross rod 12 and the adjusting rod 10 are the same, the two sides of the cross rod 12 are fixedly connected with stretching rods 15 through connecting ropes, the connecting rope is pulled, the connecting rope generates upward pulling force to the stretching rod 15 through the change of the rotating wheel to the pulling direction, the stretching rod 15 is clamped through a clamping rod at the top of the stretching rod 15 when the pulling stops, the stretching rod 15 is fixedly connected with the two sides of the punch, the elastic rod 13 is arranged in the punch and fixedly connected with the connecting body, the bottom of the connecting body is rotatably connected with the gasket 14, the bending degree of the elastic rod 13 can be changed by the punch, the bending degree of the elastic rod 13 in the punch and the bending degree of the elastic rod 13 in the cushion head are the same due to the connecting rope, the bending angles of the punch and the cushion head are the same, when the forging is started, the punch and the cushion head can be completely attached to the inner surface and the outer surface of the curved surface of the part, the impact force of the punch can be borne by the supporting rod at the bottom of the cushion head, the bottom of the part can not be subjected, only can be stretched on the original basis, thereby achieving the effects of enabling the stress on the inner side and the outer side of the part to be uniform and preventing the whole part from deforming.

Through the cooperation of the elastic deformation wheel and the telescopic rod 8, the auxiliary use of the reset spring 2 and the hydraulic tank 3 is combined, in the forging process of the annular part, when the annular part needs to be rotated, the telescopic rods 8 on two sides of the supporting wheel 7 are extended, the rotating wheel on one side of the telescopic rod 8, which is far away from the supporting wheel 7, is contacted with the inner surface of the part, the friction force between the rotating wheel and the inner surface of the part is increased, then the telescopic device at the bottom of the supporting wheel 7 is started, the supporting wheel 7 is lifted, the annular part is lifted to be separated from the pad head, then the motor connected with the rotating wheel is started, the rotating wheel is rotated, the part can rotate along with the rotating wheel due to the friction force action between the rotating wheel and the inner surface of the part, because the spring deformation wheel 1 is contacted with the annular part at the moment, the elastic deformation wheel can rotate along with the rotating, the arch can compress reset spring 2 and compress hollow ejector pin 4 simultaneously, and hollow ejector pin 4 will compress hydraulic tank 3 through fender liquid board 5, makes the interior mark liquid of hydraulic tank 3 push up the restriction valve and on protruding, with protruding mark, the workman will discover these invisible archs of naked eye, carries out to forging the elimination arch to prevent that bellied effect from appearing in the surface when reaching the forging.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a part surface appears bellied forging apparatus when can preventing large-scale annular forging, includes spring deformation wheel (1), its characterized in that: the spring deformation wheel comprises a spring deformation wheel (1), wherein a reset spring (2) is fixedly connected inside the spring deformation wheel (1), one side of the reset spring (2) close to a wheel center is fixedly connected with a hydraulic box (3), a liquid baffle plate (5) is connected inside the hydraulic box (3) in a sliding manner, a hollow ejector rod (4) is fixedly connected at the top of the liquid baffle plate (5), the outer side of the spring deformation wheel (1) is connected with a transverse telescopic rod (8) in a rolling manner through an annular part, a supporting wheel (7) is fixedly connected between the two transverse telescopic rods (8), a supporting column (6) is arranged at the outer side of the supporting wheel (7), a pneumatic cylinder (9) is fixedly connected at the top of the supporting column (6), a gas baffle plate (11) is connected inside the pneumatic cylinder (9) in a sliding manner, a supporting rod (10) is fixedly connected at the top of the gas baffle plate (, the top of adjusting pole (10) is provided with gasket (14), the bottom of bracing piece (10) just is located the top fixedly connected with horizontal pole (12) of gas shield (11), the tensile pole (15) of both sides through connecting rope fixedly connected with of horizontal pole (12).

2. The forging apparatus as recited in claim 1, wherein the forging apparatus is adapted to prevent the surface of the part from being raised during the large ring forging, and wherein: and the bottom of the supporting wheel (7) is provided with a telescopic device.

3. The forging apparatus as recited in claim 1, wherein the forging apparatus is adapted to prevent the surface of the part from being raised during the large ring forging, and wherein: and a limiting valve is arranged in the hollow ejector rod (4).

4. The forging apparatus as recited in claim 1, wherein the forging apparatus is adapted to prevent the surface of the part from being raised during the large ring forging, and wherein: the bottom of the gasket (14) is fixedly connected with the punch and the bottom plate on the inner side of the cushion head through a connecting body arranged inside the punch and the cushion head.

5. The forging apparatus as recited in claim 1, wherein the forging apparatus is adapted to prevent the surface of the part from being raised during the large ring forging, and wherein: and a rotating wheel is arranged on one side of the telescopic rod (8) far away from the supporting wheel (7).

6. The forging apparatus as recited in claim 1, wherein the forging apparatus is adapted to prevent the surface of the part from being raised during the large ring forging, and wherein: and support rods are arranged on two sides of the adjusting rod (10).

7. The forging apparatus as recited in claim 1, wherein the forging apparatus is adapted to prevent the surface of the part from being raised during the large ring forging, and wherein: a rotating wheel is arranged between the cross bar (12) and the stretching rod (15).

8. The forging apparatus as recited in claim 1, wherein the forging apparatus is adapted to prevent the surface of the part from being raised during the large ring forging, and wherein: the top of the stretching rod (15) is provided with a clamping rod.