CN217142186U

CN217142186U - Hot forging die for input shaft

Info

Publication number: CN217142186U
Application number: CN202220378980.9U
Authority: CN
Inventors: 董昌伟; 王庆斌
Original assignee: Feicheng Longshan Machinery Co ltd
Current assignee: Feicheng Longshan Machinery Co ltd
Priority date: 2022-02-24
Filing date: 2022-02-24
Publication date: 2022-08-09
Anticipated expiration: 2032-02-24

Abstract

The utility model relates to an input shaft hot forging die, which comprises a hot forging die body which is integrally arranged in a ladder shape, the hot forging die body consists of an upper connecting section and a lower connecting section, a disc forging hole is arranged at the top of the upper connecting section, the bottom of the disc forging hole is provided with a first shaft section forming hole, the bottom of the first shaft section forming hole is provided with a second shaft section forming hole, the disc forging hole is communicated with the second shaft section forming hole through a first shaft section forming hole, the first shaft section forming hole and the second shaft section forming hole are both cylindrical through holes, the diameters of the disc forging hole, the first shaft section forming hole and the second shaft section forming hole are reduced in sequence, the utility model discloses an input shaft hot forging die, through changing the die design, the integral forging is changed into the local deformation forging, so that the energy consumption and the die loss are effectively reduced, and the production cost is reduced.

Description

Hot forging die for input shaft

Technical Field

The utility model relates to an input shaft hot forging mould belongs to and forges processing technology field.

Background

The forging die is a tool capable of forming a blank into a die forging, is key technological equipment required in die forging production, is a tool required to be used in each stroke of equipment, plays a role in lifting weight in die forging production, and is mainly divided into hot forging and cold forging.

When the input shaft with the structure shown in fig. 5 is produced by hot forging, the hot forging die with the structure shown in fig. 4 is originally adopted, and one-time forging and forming of the input shaft can be realized by the hot forging die, but the problems of high power consumption, easy damage to the die and low service life are found in the production process.

In order to solve the above problems, the present application provides an input shaft hot forging die.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the technical problem who solves overcomes current defect, provides an input shaft hot forging mould, through changing the die design, changes into local deformation from the bulk forging and forges, has effectively reduced energy consumption and mould loss, has reduced manufacturing cost, can effectively solve the problem in the background art.

In order to solve the technical problem, the utility model provides a following technical scheme:

the utility model provides an input shaft hot forging mould, includes the hot forging mould body that wholly is the echelonment setting, hot forging mould body comprises last linkage segment, lower linkage segment, it forges the hole to go up the linkage segment top and has seted up the disc, first shaft segment shaping hole has been seted up to disc forging hole bottom, second shaft segment shaping hole has been seted up to first shaft segment shaping hole bottom, disc forging hole is linked together through first shaft segment shaping hole and second shaft segment shaping hole, first shaft segment shaping hole and second shaft segment shaping hole all set up to cylindrical through-hole, the aperture that disc forged hole, first shaft segment shaping hole, second shaft segment shaping hole reduces in proper order.

As a further improvement of the utility model, the hot forging die body is of an integral forming structure, and the lower connecting section bottom is fixedly connected with a positioning disc.

As a further improvement, the positioning plate bottom is provided with a workbench, and the positioning holes are arranged on the positioning plate and the workbench.

As a further improvement of the utility model, the positioning disk passes through the locating lever and is connected with the workstation, the locating lever sets up on the locating hole.

As a further improvement, the demoulding holes have been all seted up with the positioning disk intermediate position to the workstation, the inside threaded connection of demoulding hole has the stripper rod.

As a further improvement, the handle is rotated to stripper bar bottom fixedly connected with, the drawing of patterns hole top is linked together with second axle section shaping hole.

The utility model discloses beneficial effect: the utility model provides an input shaft hot forging mould, it forges the hole to change into the cylinder shape through the toper that will originally be the toper and forge the hole, before hot forging only need heat the disc section when heating the stock can, it has lower power consumption and heat loss to compare in original whole heating hot forging mode, can effectively reduce manufacturing cost, the mould loss is littleer simultaneously, effectively improve mould life, it can be convenient through rotating the handle rotate the stripper bar with the work piece after the shaping ejecting, the drawing of patterns of being convenient for, through changing the mould design, change into local deformation forging from whole forging, energy consumption and mould loss have effectively been reduced, and the production cost is reduced.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.

Fig. 1 is a sectional structure view of an input shaft hot forging die of the present invention.

Fig. 2 is a three-dimensional structure diagram of the input shaft hot forging die of the present invention.

Fig. 3 is a sectional structure diagram of an embodiment 2 of the hot forging die for an input shaft of the present invention.

FIG. 4 is a structural view of a hot forging die for an original input shaft.

FIG. 5 is a view of a fully formed molded input shaft.

Reference numbers in the figures: 1. hot forging the die body; 2. an upper connecting section; 3. a lower connecting section; 4. forging a hole on a disc; 5. a first shaft section forming hole; 6. a second shaft section forming hole; 7. a first tapered bore; 8. a second tapered bore; 9. an end portion through hole; 10. positioning a plate; 11. positioning a rod; 12. a work table; 13. demoulding holes; 14. a stripper bar; 15. rotating the handle; 16. positioning holes; 17. molding the input shaft; 18. a first disc; 19. a second disc; 20. a first connection section; 21. a second connection section; 22. a straight pole section.

Detailed Description

The present invention will be further described with reference to the following embodiments, wherein the drawings are for illustrative purposes only and are not intended to be limiting, and in order to better illustrate the embodiments of the present invention, some components of the drawings may be omitted, enlarged or reduced and do not represent the size of an actual product.

In order to make the technical means, creation characteristics, achievement purposes and efficacies of the utility model easy to understand, in the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, only for the convenience of description of the present invention and simplification of description, rather than to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the invention, furthermore, the terms "first", "second", "third" are used for descriptive purposes only, but not as indicating or implying relative importance, the invention is further described below in connection with the detailed description.

Example 1

As shown in fig. 4-5, fig. 4 is a structural diagram of an original input shaft hot forging die, in the structural diagram of the original input shaft hot forging die, the bottom of a disc forging hole 4 is sequentially provided with a first tapered hole 7, two second tapered holes 8 with sequentially reduced diameters, and a cylindrical end through hole 9, wherein the length of the end through hole 9 is shorter, and the structure of a completely formed input shaft 17 is as shown in fig. 5, and the structure is composed of a first disc 18, a second disc 19, a first connecting section 20, a second connecting section 21, and a straight rod section 22, wherein the first connecting section 20 and the second connecting section 21 both have a certain taper, the number of the second connecting sections 21 is two, the input shaft can be hot forged at one time by using the original input shaft hot forging die, but because the length of a disc part and a rod part of the input shaft forged piece is greatly different, heat loss of the rod-shaped part is caused by overall heating when the hot forging is performed, therefore, the power consumption is large, the cost is high, meanwhile, in the original input shaft hot forging die structure, the first taper hole 7 and the two second taper holes 8 with the diameters reduced in sequence have certain tapers, and compared with a cylindrical forging hole, the input shaft hot forging die is easy to damage, the service life of the die is short, and the processing cost is further improved.

As shown in fig. 1, an input shaft hot forging die comprises a hot forging die body 1 integrally arranged in a step shape, wherein the hot forging die body 1 is composed of an upper connecting section 2 and a lower connecting section 3, a disc forging hole 4 is formed in the top of the upper connecting section 2, a first shaft section forming hole 5 is formed in the bottom of the disc forging hole 4, a second shaft section forming hole 6 is formed in the bottom of the first shaft section forming hole 5, the disc forging hole 4 is communicated with a second shaft section forming hole 6 through the first shaft section forming hole 5, the first shaft section forming hole 5 and the second shaft section forming hole 6 are both cylindrical through holes, and the diameters of the disc forging hole 4, the first shaft section forming hole 5 and the second shaft section forming hole 6 are sequentially reduced.

In this embodiment, the hot forging die body 1 is an integral molding structure.

Adopt the utility model discloses a when forge hot mould body 1 processes the input shaft, concrete use is as follows:

the first step is as follows: sending the disc section with larger diameter of the blank into a local heating furnace for heating;

the second step is that: placing the blank into the hot forging die body 1 to locally forge the large disc part;

the third step: and taking out the workpiece with the partially forged large disc, and heating and forging the rest part until the input shaft is completely formed.

Different with prior art, the forging of traditional input shaft is whole heating and forges, and the power consumption is high, and mould wearing and tearing are fast, adopts local heating in this application, only forges big disk portion, to bottom shaft portion, adopts rough machining fashioned columniform forging hole, has avoided the quick loss of mould.

Example 2

As shown in fig. 1-3, an input shaft hot forging die comprises a hot forging die body 1 integrally arranged in a step shape, wherein the hot forging die body 1 is composed of an upper connecting section 2 and a lower connecting section 3, a disc forging hole 4 is formed in the top of the upper connecting section 2, a first shaft section forming hole 5 is formed in the bottom of the disc forging hole 4, a second shaft section forming hole 6 is formed in the bottom of the first shaft section forming hole 5, the disc forging hole 4 is communicated with a second shaft section forming hole 6 through the first shaft section forming hole 5, the first shaft section forming hole 5 and the second shaft section forming hole 6 are both cylindrical through holes, and the diameters of the disc forging hole 4, the first shaft section forming hole 5 and the second shaft section forming hole 6 are sequentially reduced.

In this embodiment, a positioning plate 10 is fixedly connected to the bottom of the lower connecting section 3.

In this embodiment, a working table 12 is disposed at the bottom of the positioning plate 10, and positioning holes 16 are disposed on both the positioning plate 10 and the working table 12.

In the present embodiment, the positioning plate 10 is connected to the table 12 by a positioning rod 11, and the positioning rod 11 is disposed on the positioning hole 16.

In this embodiment, a demolding hole 13 is formed in the middle of each of the table 12 and the positioning plate 10, and a demolding rod 14 is connected to the inside of the demolding hole 13 through a thread.

In this embodiment, a rotating handle 15 is fixedly connected to the bottom of the demoulding rod 14, and the top of the demoulding hole 13 is communicated with the second shaft segment forming hole 6.

Through at 1 bottom fixed connection positioning disk 10 of forge hot mould utensil body, couple together workstation 12 and positioning disk 10 through locating lever 11 simultaneously, the location of convenient in forging process, through set up demoulding hole 13 at workstation 12 and positioning disk 10 intermediate position, when the big dish forges and needs the drawing of patterns after accomplishing, rotate the work piece ejecting after the shaping that stripper bar 14 can be convenient through rotating handle 15, the drawing of patterns of being convenient for, it is more convenient to use.

Through the technical scheme, the utility model discloses following beneficial effect has: the utility model provides an input shaft hot forging mould, it forges the hole to change into the cylinder shape through the toper that will originally be the toper and forge the hole, before hot forging only need heat the disc section when heating the stock can, it has lower power consumption and heat loss to compare in original whole heating hot forging mode, can effectively reduce manufacturing cost, the mould loss is littleer simultaneously, effectively improve mould life, it can be convenient ejecting with the work piece after the shaping to rotate stripper bar 14 through rotating handle 15, the drawing of patterns of being convenient for, through changing the mould design, change into local deformation forging from whole forging, energy consumption and mould loss have effectively been reduced, and the production cost is reduced.

The foregoing is an embodiment of the preferred embodiment of the present invention, showing and describing the basic principles and main features of the present invention and the advantages of the present invention, it should be understood by those skilled in the art that the present invention is not limited by the foregoing embodiments, and the foregoing embodiments and descriptions are only illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the present invention, which fall within the scope of the present invention as claimed, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. The utility model provides an input shaft hot forging mould, is including whole hot forging mould body (1) that is the echelonment and sets up, hot forging mould body (1) comprises last linkage segment (2), lower linkage segment (3), its characterized in that: go up linkage segment (2) top and seted up the disc and forge pore (4), first shaft section shaping hole (5) have been seted up to disc forging pore (4) bottom, second shaft section shaping hole (6) have been seted up to first shaft section shaping hole (5) bottom, the disc forges pore (4) and is linked together through first shaft section shaping hole (5) and second shaft section shaping hole (6), first shaft section shaping hole (5) all set up to cylindrical through-hole with second shaft section shaping hole (6), the aperture that pore (4), first shaft section shaping hole (5), second shaft section shaping hole (6) were forged to the disc reduces in proper order.

2. An input shaft hot forging die as claimed in claim 1, wherein: the hot forging die body (1) is of an integral forming structure, and the bottom of the lower connecting section (3) is fixedly connected with a positioning disc (10).

3. An input shaft hot forging die as claimed in claim 2, wherein: the positioning device is characterized in that a workbench (12) is arranged at the bottom of the positioning disc (10), and positioning holes (16) are formed in the positioning disc (10) and the workbench (12).

4. An input shaft hot forging die as claimed in claim 3, wherein: the positioning disc (10) is connected with the working table (12) through a positioning rod (11), and the positioning rod (11) is arranged on the positioning hole (16).

5. An input shaft hot forging die as claimed in claim 3, wherein: demoulding holes (13) are formed in the middle positions of the workbench (12) and the positioning disc (10), and demoulding rods (14) are connected to the inner portions of the demoulding holes (13) in a threaded mode.

6. An input shaft hot forging die as claimed in claim 5, wherein: the bottom of the demoulding rod (14) is fixedly connected with a rotating handle (15), and the top of the demoulding hole (13) is communicated with the second shaft section forming hole (6).