CN211638170U

CN211638170U - Multidirectional forging blank making device

Info

Publication number: CN211638170U
Application number: CN201922400467.6U
Authority: CN
Inventors: 翁贤东; 储西来
Original assignee: Nanjing Liju Precision Forging Co ltd
Current assignee: Nanjing Liju Precision Forging Co ltd
Priority date: 2019-12-27
Filing date: 2019-12-27
Publication date: 2020-10-09
Anticipated expiration: 2029-12-27

Abstract

The utility model discloses a multidirectional forging blank-making device, which mainly comprises an upper die, a lower die, an upper bottom plate, a lower bottom plate, a rotatable cam and a driven wheel; the upper bottom plate is parallel to the lower bottom plate; the upper die is fixed in the middle of the upper bottom plate; the two cams are respectively positioned on two sides of the upper die; the two cams are mirror symmetric about a middle vertical plane; the upper bottom plate can vertically lift; the lower die is placed on the lower bottom plate; the two lower dies are respectively positioned on two sides of the upper die; the two lower dies are symmetrically arranged and can slide outwards or inwards at the same time; the cam is positioned on the outer side of the lower die; the irregular arc of cam outward flange for the cam can enough play certain restriction to the outer expanding of lower mould, guarantees simultaneously that the distance at lower mould and base raw and other materials center is reciprocating change, has avoided the side of base raw and other materials to produce burr or fracture, has improved the base quality.

Description

Multidirectional forging blank making device

Technical Field

The utility model relates to a multidirectional forging field especially relates to a multidirectional forging base device.

Background

Forging is a processing method which utilizes forging machinery to apply pressure on a metal blank raw material to generate plastic deformation so as to obtain a forging with certain mechanical property, certain shape and certain size; forging is directly forged or a blank-making raw material is punched for forming through a die, when only one surface is extruded, the consistency of two side surfaces of the blank-making raw material is not good, burrs and the like can be generated, and therefore the product quality is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the main technical problem who solves is: provided is a multidirectional forging blank-making device which can make the quality of both sides of blank-making raw materials better.

In order to solve the main technical problems, the following technical scheme is adopted:

a multidirectional forging blank making device comprises an upper die, a lower die, an upper bottom plate, a lower bottom plate, a rotatable cam and a driven wheel; the upper bottom plate is parallel to the lower bottom plate; the upper die is fixed in the middle of the upper bottom plate; the two cams are respectively positioned on two sides of the upper die; the two cams are mirror symmetric about a middle vertical plane; the upper bottom plate can vertically lift; the lower die is placed on the lower bottom plate; the two lower dies are respectively positioned on two sides of the upper die; the two lower dies are symmetrically arranged and can slide outwards or inwards at the same time; the cam is positioned on the outer side of the lower die; a driven wheel is arranged on the outer side of the cam; the driven wheel is fixed on the lower bottom plate; the cam is matched with the driven wheel for use.

Preferably, a sliding block is arranged between the cam and the lower die; one side of the sliding block is in contact with the cam, and the other opposite side of the sliding block is in contact with the lower die; the side of the sliding block close to the cam is provided with a rotating wheel, and the side close to the lower die is provided with a plane.

Preferably, a backing plate is arranged above the lower bottom plate; the base plate is positioned right below the lower die; the lower die can slide along the backing plate.

Preferably, two ends of the lower die are provided with pressing blocks; and the distance between the two pressing blocks positioned at the two ends of the lower die is equal to the length of the lower die in the direction.

Preferably, the compact is inverted "L" shaped; the pressing block is fixed on the base plate; the pressing block extends to the end part of the driven wheel towards the outer side direction of the lower die.

Preferably, two U-shaped openings are symmetrically arranged on two sides of the upper bottom plate; the U-shaped opening is located on the outer side of the cam.

Compared with the prior art, the utility model discloses be applied to and possess following advantage in the multidirectional forging base production:

(1) go up the mould under stamping equipment's drive, the downstream is close to the base raw and other materials, go up mould direct extrusion base raw and other materials, the lower mould is located the both sides of base raw and other materials, the outside of lower mould is provided with rotatory cam, the irregular arc of cam outward flange for the cam can enough expand certain restriction to the outer of lower mould, guarantee simultaneously that the distance at lower mould and base raw and other materials center is reciprocating change, the side of having avoided the base raw and other materials produces burr or fracture, the base quality has been improved.

(2) The top surface of the blank making raw material can be extruded only by using the stamping equipment as power drive, the two side surfaces are kept, the operation is simple, and the production efficiency is high.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some examples of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without inventive work.

Fig. 1 is a schematic structural diagram of a multidirectional forging blank-making device according to an embodiment of the present invention.

In the figure: the device comprises an upper die 1, an upper base plate 2, a lower die 3, a cam 4, a driven wheel 5, a pressing block 6, a lower base plate 7, a sliding block 8, a rotating wheel 9, a backing plate 10 and a U-shaped opening 11.

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.

Referring to fig. 1, a multi-directional forging blank-making device includes an upper die 1, a lower die 3, an upper base plate 2, a lower base plate 7, a rotatable cam 4, and a driven wheel 5; the upper bottom plate 2 is parallel to the lower bottom plate 7; the upper die 1 is fixed in the middle of the upper bottom plate 2, the upper die 1 is fixed in the middle of the upper bottom plate 2 through welding or fasteners, a die cavity of the upper die 1 or the lower bottom surface of the upper die 1 faces the lower bottom plate 7, and blank-making raw materials are placed right below the upper die 1; the two cams 4 are respectively positioned on two sides of the upper die 1, the shaft of the cam 4 is fixed on two sides of the upper bottom plate 2 through a connecting piece, and the cam 4 is positioned on the outer side of the upper die 1; the two cams 4 are in mirror symmetry with respect to a middle vertical plane, the two cams 4 are completely identical in shape, size and rotating speed, and the middle vertical plane of the two cams 4 is a central vertical plane of the upper die 1; the upper bottom plate 2 can vertically lift, the whole set of blank making devices are all arranged on punch equipment, the punch drives the upper bottom plate 2 to lift and the cam 4 to rotate, the upper bottom plate 2 lifts and drives the cam 4 to lift, and the cam 4 can rotate and lift; the lower die 3 is placed on a lower bottom plate 7; the two lower dies 3 are respectively positioned on two sides of the upper die 1; the two lower dies 3 are symmetrically arranged and can slide towards the outer side or the inner side simultaneously, the lower dies 3 slide relative to the lower bottom plate 7, the two lower dies 3 can be close to each other and can be far away from each other, blank making raw materials are placed in the middle of the two lower dies 3, namely, the right side surface of the lower die 3 positioned on the left side directly contacts the blank making raw materials, the left side surface of the lower die 3 positioned on the right side directly contacts the blank making raw materials, the lower dies 3 on the two sides of the blank making raw materials can slide towards the outer side under the extrusion of the upper die 1, the blank making raw materials are prevented from being extruded downwards by the upper die 1, and; the cam 4 is positioned on the outer side of the lower die 3, the cam 4 is used for limiting the outer expansion of the lower die 3, the phenomenon that the lower die 3 slides outwards without limitation along with the extrusion of the upper die 1 to cause that the lower die 3 cannot limit the side surface of a blank making raw material is avoided, the irregular arc shape of the outer edge of the cam 4 enables the outward moving distance of the lower die 3 to be increased firstly and then reduced and reciprocate continuously, and the extrusion of the inner side of the lower die 3 on the blank making raw material is increased after reduced and then reciprocated continuously, so that the generation of burrs around the blank making raw material can be prevented, the consistency of two sides of the blank making raw material can be better ensured, the upper surface of the blank making raw material is directly extruded by the upper die 1, and the side surface; a driven wheel 5 is arranged on the outer side of the cam 4; the driven wheel 5 is fixed on a lower bottom plate 7; the cam 4 is used in cooperation with the driven wheel 5, the driven wheel 5 is fixed on the lower bottom plate 7 through a bearing seat and the like, the cam 4 applies extrusion to the lower die 3 and simultaneously receives the reverse acting force of the lower die 3 on the cam 4, and the driven wheel 5 is used for counteracting the acting force of the lower die 3 on the cam 4, so that the cam 4 is prevented from moving outwards in the descending and rotating processes to cause failure of the limiting effect on the lower die 3.

Further, a sliding block 8 is arranged between the cam 4 and the lower die 3, namely, the cam 4 does not directly contact the lower die 3; one side of the sliding block 8 is contacted with the cam 4, and the other opposite side is contacted with the lower die 3; the side of the sliding block 8 close to the cam 4 is a rotating wheel 9, the side close to the lower die 3 is a plane, the sliding block 8 is in contact with the cam 4 through the rotating wheel 9, and the sliding block 8 avoids the situation that the cam 4 is in direct contact with the lower die 3 to cause damage to the lower die 3 or damage to the cam 4.

Further, a base plate 10 is arranged above the lower bottom plate 7; the base plate 10 is positioned right below the lower die 3; lower mould 3 can slide along the surface of backing plate 10, and lower plate 7 is fixed with backing plate 10 with the lower mould 3 centre, and backing plate 10 can shorten the distance between last mould 1 and the lower mould 3, and backing plate 10 can provide the rotation space of high enough for the rotation after cam 4 descends simultaneously to more do benefit to the effect of cam 4 to lower mould 3.

Furthermore, two ends of the lower die 3 are respectively provided with a pressing block 6, and the pressing blocks 6 are fixed at the end part of the lower die 3; the distance between two compact heap 6 that are located lower mould 3 both ends equals the length of lower mould 3 in this direction, and the effect of compact heap 6 plays the fixed action to the tip of lower mould 3, prevents that the tip of lower mould 3 from producing front and back slip and slope to influence the base quality.

Further, the compact 6 is in an inverted "L" shape; the pressing block 6 is fixed on the base plate 10, the pressing block 6 is fixed on the base plate 10 through a screw, and the L-shaped structure is equivalent to edge wrapping of the base plate 10, so that the pressing block 6 is more stably connected with the base plate 10; the compact heap 6 extends to the tip from driving wheel 5 to 3 outside directions of lower mould, and the initial position of compact heap 6 is the tip of lower mould 3, and the final position is the tip from driving wheel 5, and compact heap 6 does not have any restriction to the inboard of lower mould 3, and the length that compact heap 6 extends has all played the fixed action to lower mould 3, sliding block 8, cam 4, from driving wheel 5 for sliding block 8, lower mould 3 can only the rectilinear outside move, thereby be favorable to improving the uniformity of blank making raw and other materials both sides more.

Furthermore, two U-shaped openings 11 are symmetrically arranged on two sides of the upper bottom plate 2; u-shaped opening 11 is located the outside of cam 4, and the outside of each cam 4 all is provided with a U-shaped opening 11, and the effect of U-shaped opening 11 is convenient for with the interconnect and the fixed of power drive equipment punch press.

The working principle is as follows: placing the blank making raw material right below the upper die 1, wherein the blank making raw material is also positioned between the two lower dies 3; driven by the punching equipment, the cam 4 rotates and descends to the lower bottom plate 2 together with the upper bottom plate 2, and the upper die 1 directly extrudes the top surface of the blank making raw material; meanwhile, the lower dies 3 on the two sides are opened outwards and then tightened inwards to reciprocate continuously to keep the two sides stable; thereby completing the embryo production.

It should be noted that, in the present invention, "upper, lower, left, right, inner and outer" are defined based on the relative position of the components in the drawings, and are only for the clarity and convenience of describing the technical solution, it should be understood that the application of the directional terms does not limit the protection scope of the present application.

Further optimizing the present invention, the above-mentioned embodiments are preferred embodiments, and are not intended to limit the present invention, and although the present invention has been described in detail with reference to the foregoing examples, it will be apparent to those skilled in the art that modifications may be made to the above-mentioned embodiments, or equivalent replacements may be made to some technical characteristics of the above-mentioned embodiments, and any modifications, equivalent replacements, improvements and the like made within the spirit and principle of the present invention are all included in the scope of the present invention.

Claims

1. The utility model provides a multidirectional forging base device which characterized in that: comprises an upper die, a lower die, an upper bottom plate, a lower bottom plate, a cam capable of rotating and a driven wheel; the upper bottom plate is parallel to the lower bottom plate; the upper die is fixed in the middle of the upper bottom plate; the two cams are respectively positioned on two sides of the upper die; the two cams are mirror symmetric about a middle vertical plane; the upper bottom plate can vertically lift; the lower die is placed on the lower bottom plate; the two lower dies are respectively positioned on two sides of the upper die; the two lower dies are symmetrically arranged and can slide outwards or inwards at the same time; the cam is positioned on the outer side of the lower die; a driven wheel is arranged on the outer side of the cam; the driven wheel is fixed on the lower bottom plate; the cam is matched with the driven wheel for use.

2. The multidirectional forging blank making device according to claim 1, wherein: a sliding block is arranged between the cam and the lower die; one side of the sliding block is in contact with the cam, and the other opposite side of the sliding block is in contact with the lower die; the side of the sliding block close to the cam is provided with a rotating wheel, and the side close to the lower die is provided with a plane.

3. The multidirectional forging blank making device according to claim 1, wherein: a base plate is arranged above the lower bottom plate; the base plate is positioned right below the lower die; the lower die can slide along the backing plate.

4. The multidirectional forging blank making device according to claim 1, wherein: the two ends of the lower die are provided with pressing blocks; and the distance between the two pressing blocks positioned at the two ends of the lower die is equal to the length of the lower die in the direction.

5. The multidirectional forging blank-making device according to claim 4, wherein: the pressing block is in an inverted L shape; the pressing block is fixed on the base plate; the pressing block extends to the end part of the driven wheel towards the outer side direction of the lower die.

6. The multidirectional forging blank making device according to claim 1, wherein: two U-shaped openings are symmetrically arranged on two sides of the upper bottom plate; the U-shaped opening is located on the outer side of the cam.