CN209272365U - A kind of connecting fork molding die - Google Patents

Abstract

The utility model discloses a kind of connecting fork molding dies, one end cold-heading impact forging of materials and parts g to be used to make to pitch body formed positioning flute profile by being equipped with for each component in a mould, at preforming forging a, by in two moulds each component be equipped with one end of preforming forging a is pulled make pitch body at the beginning of one-step forming, form preforming forging b, by in three moulds each component be equipped with the fork body on preforming forging b further pull form and make through-hole at the beginning of one-step forming, form preforming forging c, one-step forming at the beginning of connecting column is set to form preforming forging d the other end extruding volume of preforming forging c by being equipped with for each component in four moulds, the connecting column extruding physical strength on preforming forging d is further formed by being equipped with for each component in five moulds, form preforming forging e, it is set by the cooperation of each component in six moulds It sets the fork body and connecting column repairing type on preforming forging e, and through-hole blank is got through, form finished parts f.

Description

A kind of connecting fork molding die

Technical field

The utility model relates to connecting fork manufacturing technology field, specific field is a kind of connecting fork molding die.

Background technique

See figure, connecting fork is made of fork body 7 and connector 8, wherein has through-hole 9 on connector.

And mold in the prior art corresponding position first on materials and parts when being cold-pressed impact forging squeezes reduction volume impact forging Connector is formed, then corresponding shakiness pulls impact forging and forms fork wall on materials and parts, finally punches the through-hole on connector, such as The problem that this impact forging sequence be easy to cause fork body portion size inadequate the generation type of fork wall.For this purpose, it is proposed that a kind of company Connect fork molding die.

Utility model content

It is mentioned above in the background art to solve the purpose of this utility model is to provide a kind of connecting fork molding die Problem.

To achieve the above object, the utility model provides the following technical solutions: a kind of connecting fork molding die, including is used for Successively a molding mould, two moulds, three moulds, four moulds, five moulds and six moulds, a mould include a mould main mould and a stamping mould to forging, The inside of the one mould main mould is equipped with a mould mold core, is equipped with a mold forming chamber, a mould inside one end of the mould mold core Symmetrically integrally formed with a mould protruding block before and after the inside right end of forming cavity, the left side of the mould protruding block is equipped with a mould The other end of arc groove, the mould mold core has a mould through-hole, and the mould through-hole is connected to the inner cavity of a mould mold core, described The inside of one mould main mould is equipped with a mould and leads to stick, and a mould through-hole, the inside of the stamping mould are run through in one end that a mould leads to stick Equipped with a stamping stick, a mould mold core is protruded into one end of the stamping stick, and the stamping mould is moved back and forth towards a mould main mould Impact forging forms preforming forging a；

Two mould includes two mould main moulds and two stamping moulds, and the inside of the two moulds main mould is equipped with two mould mold cores, and described two Be equipped with two moulds inside one end of mould mold core and pitch body formed chamber, two mould pitch before and after the inside right end of body formed chamber symmetrical one at Type has two mould protruding blocks, and the left side of the two moulds protruding block is equipped with two mould arc grooves, the other end tool of the two moulds mold core There are two mould through-holes, the two moulds through-hole is connected to the inner cavity of two mould mold cores, and the inside of the two moulds main mould is equipped with two moulds and leads to stick, institute State two moulds and lead to one end of stick through two mould through-holes, the inside of the two stampings mould is equipped with two stamping sticks, the two stampings mould it is interior Portion is symmetrical above and below to be equipped with two mould top sticks, and two mould mold cores, the two stampings mould direction, two mould masters are protruded into one end of the two stampings stick Mould moves back and forth impact forging and forms preforming forging b；

Three mould includes three mould main moulds and three stamping moulds, and the inside of the three moulds main mould is equipped with three mould mold cores, and described three The middle part of mould mold core, which is run through, is equipped with the body formed chamber of three moulds fork body fork, and the inside of the three moulds main mould is equipped with three moulds and leads to stick set, described The inside that three moulds lead to stick set is equipped with three moulds and leads to stick, and one end that three mould leads to stick set protrudes into three moulds fork body and pitches body formed chamber, described The both ends that three moulds lead to stick stretch out three moulds and lead to stick set, and the inside of the three stampings mould is equipped with three stamping sticks, the three stampings mould Inside is symmetrical above and below to be equipped with three mould top sticks, and one end of the three stampings stick protrudes into three moulds fork body and pitches body formed chamber, three stamping Mould moves back and forth impact forging towards three mould main moulds and forms preforming forging c；

Four mould includes four mould main moulds and four stamping moulds, and the inside of the four moulds main mould is equipped with four mould mold cores, and described four Inside one end of mould mold core is equipped with four moulds fork body and pitches body formed chamber, and it is body formed that the inside other end of the four moulds mold core is equipped with connection Chamber, the connector forming cavity are connected to body formed chamber is pitched, and the inside of the four moulds main mould is equipped with four moulds and leads to stick, and four mould is logical Connector forming cavity is protruded into one end of stick, and the inside of the four stampings mould is equipped with four stamping sticks, on the inside of the four moulds main mould Under be symmetrically arranged with four mould top sticks, one end of the four stampings stick protrudes into four moulds fork body and pitches body formed chamber, the four stampings mould direction Four mould main moulds move back and forth impact forging and form preforming forging d；

Five mould includes five mould main moulds and five stamping moulds, and the inside of the five moulds main mould is equipped with the whole chamber of five die repairs, described The inside of five mould main moulds is equipped with five moulds and leads to stick, and the whole chamber of five die repairs is protruded into one end that five mould leads to stick, the five stampings mould it is interior Portion is equipped with five stamping sticks, and the whole chamber of five die repairs is protruded into one end of the five stampings stick, and the five stampings mould is reciprocal towards five mould main moulds Movement impact forging forms preforming forging e；

Six mould includes six mould main moulds and six stamping moulds, and the inside of the six moulds main mould is equipped with mode, the six moulds mould The middle part of benevolence, which is run through, is equipped with the whole chamber of six die repairs, and the inside of the six moulds main mould is equipped with six moulds and leads to stick set, and six mould leads to stick set Inside leads to stick through six moulds are equipped with, and the whole chamber of six die repairs is protruded into one end that six mould leads to stick set, and the both ends that six mould leads to stick are equal Lead to stick set through six moulds out, the inside of the six stampings mould is equipped with six stamping sticks, and six die repairs are protruded into one end of the six stampings stick Whole chamber, the six stampings mould move back and forth impact forging towards six mould main moulds and form finished parts f.

Preferably, further include transmission device that clamping forge piece successively passes through a mould, two moulds, three moulds, four moulds and five moulds.

Compared with prior art, the utility model has the beneficial effects that will be expected by being equipped with for each component in a mould One end cold-heading impact forging of part g goes out for making to pitch body formed positioning flute profile, at preforming forging a, passes through each component in two moulds Be equipped with one end of preforming forging a is pulled make pitch body at the beginning of one-step forming, form preforming forging b, pass through each portion in three moulds Being equipped with the fork body on preforming forging b of part further pulls form and make through-hole at the beginning of one-step forming, form preforming forging Part c, by four moulds each component be equipped with the other end of preforming forging c squeezed into volume make connecting column at the beginning of one-step forming shape At preforming forging d, it is equipped with that the connecting column on preforming forging d is squeezed physical strength is further by each component in five moulds Molding, form preforming forging e, by six moulds each component be equipped with by preforming forging e fork body and connection Column repairing type, and through-hole blank is got through, finished parts f is formed, the utility model first pulls into the fork body portion of connecting fork Type, makes to pitch body formed institute's material quantity enough, then makes connector part extrusion forming.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of connecting fork in the utility model；

Fig. 2 is the structural schematic diagram of a mould in the utility model；

Fig. 3 is the structural schematic diagram of a mould mold core in the utility model；

Fig. 4 is the side structure schematic view of a mould mold core in the utility model；

Fig. 5 is the structural schematic diagram of two moulds in the utility model；

Fig. 6 is the structural schematic diagram of two mould mold cores in the utility model；

Fig. 7 is the structural schematic diagram of three moulds in the utility model；

Fig. 8 is the structural schematic diagram of three mould mold cores in the utility model；

Fig. 9 is the structural schematic diagram of four moulds in the utility model；

Figure 10 is the structural schematic diagram of four mould mold cores in the utility model；

Figure 11 is the structural schematic diagram of five moulds in the utility model；

Figure 12 is the partial structural diagram of five moulds in the utility model；

Figure 13 is the structural schematic diagram of six moulds in the utility model；

Figure 14 is the structural schematic diagram of mode in the utility model；

Figure 15 is connecting fork successively molding schematic diagram in the utility model.

In figure: mono- mould main mould of 11-, mono- stamping mould of 12-, mono- mould mold core of 13-, mono- mold forming chamber of 14-, mono- mould through-hole of 15-, It is body formed that mono- mould of 16- leads to stick, mono- stamping stick of 17-, bis- mould main mould of 21-, bis- stamping mould of 22-, bis- mould mold core of 23-, bis- mould of 24- fork Chamber, bis- mould through-hole of 25-, bis- mould of 26- lead to stick, bis- stamping stick of 27-, bis- mould top stick of 28-, tri- mould main mould of 31-, tri- stamping mould of 32-, Tri- mould mold core of 33-, tri- mould of 34- fork body pitches body formed chamber, tri- mould of 36- leads to stick, tri- stamping stick of 37-, tri- mould top stick of 38-, tetra- mould of 41- Main mould, tetra- stamping mould of 42-, tetra- mould mold core of 43-, tetra- mould of 44- fork body are pitched body formed chamber, 45- connector forming cavity, tetra- mould of 46- and are led to The logical stick of stick, tetra- stamping stick of 47-, tetra- mould top stick of 48-, five mould main mould of 51-, five stamping mould of 52-, the whole chamber of five die repair of 53-, five mould of 54-, Five stamping stick of 55-, six mould main mould of 61-, six stamping mould of 62-, 63- mode, the whole chamber of six die repair of 64-, six mould of 65- lead to stick set, 66- six Mould leads to stick, six stamping stick of 67-, 7- fork body, 8- connector, 9- through-hole.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

Fig. 1 and Figure 15 are please referred to, the utility model provides a kind of technical solution: a kind of connecting fork molding die, including with In forging, successively a molding mould, two moulds, three moulds, four moulds, five moulds and six moulds, clamping forge piece successively pass through a mould, two moulds, three The transmission device of mould, four moulds and five moulds, transmission device can choose any one in the prior art, are able to achieve clamping transmission and make With, therefore do not indicated in figure and in the technical program, materials and parts g forms preforming forging by cold-heading impact forging in a mould One end cold-heading impact forging of materials and parts g is gone out to be used to make to pitch body formed locating slot by a, a mould, after preforming forging a molding, is passed through Transmission device clamping is packed into two moulds, and preforming forging a cold-heading impact forging in two moulds forms preforming forging b, two moulds will in advance at One end of swaged forging part a, which pulls, makes to pitch body just one-step forming, after preforming forging b molding, clamps three moulds of loading by transmission device Interior, preforming forging b cold-heading impact forging in three moulds forms preforming forging c, and three moulds are further by the fork body on preforming forging b Pull form and make through-hole just one-step forming, preforming forging c molding after, by transmission device clamp be packed into four moulds in, in advance at Swaged forging part c cold-heading impact forging in four moulds forms preforming forging d, and the other end of preforming forging c is squeezed volume by four moulds to be made to connect Column just one-step forming is connect to clamp and be packed into five moulds by transmission device, preforming forging d is in five moulds after preforming forging d molding Middle cold-heading impact forging forms preforming forging e, and the connecting column on preforming forging d is squeezed physical strength and further formed by five moulds, pre- Form forging e molding after, by transmission device clamp be packed into six moulds in, six moulds by preforming forging e fork body and connection Column repairing type, and through-hole blank is got through, preforming forging e cold-heading impact forging in six moulds forms finished parts f；

Fig. 2, Fig. 3 and Fig. 4 are please referred to, a mould includes a mould main mould 11 and a stamping mould 12, the mould main mould Inside is equipped with a mould mold core 13, is equipped with a mold forming chamber 14 inside one end of the mould mold core, the mould mold core it is another End has a mould through-hole 15, and the mould through-hole is connected to the inner cavity of a mould mold core, and the inside of the mould main mould is equipped with a mould A mould through-hole is run through in logical stick 16, one end that a mould leads to stick, and the inside of the stamping mould is equipped with a stamping stick 17, and described one A mould mold core is protruded into one end of stamping stick, and the stamping mould moves back and forth impact forging towards a mould main mould and forms preforming forging a, The inside of one mould main mould is equipped with pad in a mould main mould, and the one end padded in a mould main mould and a mould core contact, a mould main mould are logical Stick is installed through the middle part padded in a mould main mould, is equipped with outside a mould main mould and pads inside the other end of a mould main mould, a mould master The one end padded outside mould is socketed in the outside padded in a mould main mould, and the other end padded outside a mould main mould pads after being equipped with a mould main mould, The middle part padded after one mould main mould leads to stick with a mould and contacts through a mould main mould pushing pad, a mould main mould pushing pad is equipped with, a stamping mould Inside one stamping mould pushing pad is installed, a stamping mould pushing pad is contacted with a stamping stick, wherein a mould main mould in pad, a mould main mould The components such as pad, a mould main mould pushing pad are in this technology commonly with unification mould leads to stick, a stamping stick makes after outer pad, a mould main mould Technological means.

Fig. 5 and Fig. 6 are please referred to, two mould includes two mould main moulds 21 and two stamping moulds 22, the inside of the two moulds main mould Be equipped with two moulds equipped with two mould mold cores 23, inside one end of the two moulds mold core and pitch body formed chamber 24, the two moulds mold core it is another End has two mould through-holes 25, and the two moulds through-hole is connected to the inner cavity of two mould mold cores, and the inside of the two moulds main mould is equipped with two moulds Two mould through-holes are run through in logical stick 26, one end that two mould leads to stick, and the inside of the two stampings mould is equipped with two stamping sticks 27, and described two The inside of stamping mould is symmetrical above and below to be equipped with two mould top sticks 28, and two mould mold cores, two stamping are protruded into one end of the two stampings stick Mould moves back and forth impact forging towards two mould main moulds and forms preforming forging b, and the inside of two mould main moulds is equipped in two mould main moulds and pads, and two The one end padded in mould main mould and two mould core contacts, two mould main moulds lead to stick and are installed through the middle part padded in two mould main moulds, two moulds Two mould main moulds are installed to pad outside inside the other end of main mould, the one end padded outside two mould main moulds is socketed in the outer of the interior pad of two mould main moulds Portion, the other end that two mould main moulds pad outside pad after being equipped with two mould main moulds, and the middle part padded after two mould main moulds, which is run through, is equipped with two mould masters Mould pushing pad, two mould main mould pushing pads are led to stick with two moulds and are contacted, and the inside of two stamping moulds is equipped with two stamping mould top stick pads, two mould top sticks Through two mould top stick pads, one end of two mould top stick pads is contacted with two stamping sticks, and the inside of two stamping moulds is equipped with two mould top sticks and pushes away Cushion cover, two mould top stick pushing pads set are contacted with two mould top stick pads, and the inside that two mould top stick pushing pads cover is equipped with two mould top stick pushing pads, and two One end that mould determines backform pushing pad is contacted with two mould top sticks, wherein pad in two mould main moulds, padded outside two mould main moulds, being padded after two mould main moulds, The components such as two mould main mould pushing pads, two stamping mould top stick pads, two mould top stick pushing pad sets, two mould top stick pushing pads are to commonly use in this technology Two mould of cooperation lead to the technological means that stick, two stamping sticks use；

Fig. 7 and Fig. 8 are please referred to, three mould includes three mould main moulds 31 and three stamping moulds 32, the inside of the three moulds main mould Equipped with three mould mold cores 33, the middle part of the three moulds mold core, which is run through, is equipped with the body formed chamber 34 of three moulds fork body fork, the three moulds main mould Inside is equipped with three moulds and leads to stick set, and the inside that three mould leads to stick set is equipped with three moulds and leads to stick 36, and one end that three mould leads to stick set is stretched Enter three moulds fork body and pitch body formed chamber, the both ends that three mould leads to stick stretch out three moulds and lead to stick set, and the inside of the three stampings mould is set There are three stamping sticks 37, the inside of the three stampings mould is symmetrical above and below to be equipped with three mould top sticks 38, and one end of the three stampings stick is protruded into Three moulds pitch body and pitch body formed chamber, and the three stampings mould moves back and forth impact forging towards three mould main moulds and forms preforming forging c, three mould masters The inside of mould is equipped with three mould modes, and three mould mold cores are mounted on the inside of three mould modes, and the outside that three moulds lead to stick set is cased with three moulds Spring, the inside of three mould main moulds are equipped with three mould internal model lassos, and one end of three mould internal model lassos is contacted with three mould modes, in three moulds For die sleeve snare in the outside of three mould springs, the inside of three mould main moulds is equipped with pad in three mould main moulds, the one end padded in three mould main moulds With another end in contact of three mould internal model lassos, the inside of three mould main moulds be equipped with three moulds lead to stick pad, three moulds lead to stick pad one end with It is padded in three mould main moulds and three moulds leads to stick contact, three moulds, which lead to symmetrically to run through on stick pad, is equipped with three mould top sticks, one end of three mould top sticks It is padded in three mould main moulds, one end of three mould top sticks leads to stick set with three moulds and contacts, and the inside of three stamping moulds is equipped with three stamping moulds Stick pad is pushed up, three mould top sticks run through three mould top stick pads, and one end of three mould top stick pads is contacted with three stamping sticks, the inside peace of three stamping moulds Equipped with three mould top stick pushing pad sets, three mould top stick pushing pads set is contacted with three mould top stick pads, and the inside of three mould top stick pushing pads set is equipped with Three mould top stick pushing pads, one end that three moulds determine backform pushing pad are contacted with three mould top sticks, wherein in three mould modes, three mould springs, three moulds Pad, three moulds lead to stick pad, three mould top sticks, three stamping mould top stick pads, three mould top stick pushing pad sets, three mould tops in die sleeve circle, three mould main moulds The components such as stick pushing pad are commonly to cooperate the technological means that three moulds lead to stick, three stamping sticks use in this technology；

Fig. 9 and Figure 10 are please referred to, four mould includes four mould main moulds 41 and four stamping moulds 42, the inside of the four moulds main mould Equipped with four mould mold cores 43, inside one end of the four moulds mold core is equipped with four moulds fork body and pitches body formed chamber 44, the four moulds mold core The internal other end is equipped with connector forming cavity 45, and the connector forming cavity is connected to body formed chamber is pitched, the four moulds main mould Inside is equipped with four moulds and leads to stick 46, and connector forming cavity is protruded into one end that four mould leads to stick, and the inside of the four stampings mould is equipped with Four stamping sticks 47, the inside of the four moulds main mould is symmetrical above and below to be equipped with four mould top sticks 48, and one end of the four stampings stick protrudes into four Mould pitches body and pitches body formed chamber, and the four stampings mould moves back and forth impact forging towards four mould main moulds and forms preforming forging d, four mould main moulds Inside four mould modes are installed, four mould mold cores are mounted on the inside of four mould modes, and the inside of four mould main moulds is equipped with four mould masters Pad in mould, the interior one end padded of four mould main moulds are contacted with four mould modes, and the inside of four mould main moulds is equipped with four moulds and leads to stick pad, and four moulds are logical The end thereof contacts padded in one end of stick pad and four mould main moulds, the inside of four mould main moulds are padded after being equipped with four mould main moulds, four mould main moulds The one end padded afterwards leads to the end thereof contacts of stick pad with four moulds, and pad, which above symmetrically runs through, after four mould main moulds is equipped with four mould main mould top sticks, and four One end of mould main mould top stick leads to stick pad through four mould main moulds, and one end of four mould main mould top sticks is contacted with four mould top sticks, four stamping moulds Inside four stamping mould top stick pads are installed, four mould top sticks run through four mould top stick pads, one end of four mould top stick pads and four stamping sticks Contact, the inside of four stamping moulds are equipped with four mould top stick pushing pad sets, and four mould top stick pushing pads set is contacted with four mould top stick pads, four mould tops The inside of stick pushing pad set is equipped with four mould top stick pushing pads, and one end that four moulds determine backform pushing pad is contacted with four mould top sticks, wherein four moulds Pad, four moulds lead to pad, four mould main mould top sticks, four stamping mould top stick pads, four mould tops after stick pad, four mould main moulds in mode, four mould main moulds The components such as stick pushing pad set, four mould top stick pushing pads are commonly to cooperate the technology that four moulds lead to stick, four stamping sticks use in this technology Means；

Please refer to Figure 11 and Figure 12, five mould includes five mould main moulds 51 and five stamping moulds 52, the five moulds main mould it is interior Portion is equipped with the whole chamber 53 of five die repairs, and the inside of the five moulds main mould is equipped with five moulds and leads to stick 54, and one end that five mould leads to stick protrudes into five The inside of the whole chamber of die repair, the five stampings mould is equipped with five stamping sticks 55, and the whole chamber of five die repairs, institute are protruded into one end of the five stampings stick It states five stamping moulds and forms preforming forging e towards the reciprocating motion impact forging of five mould main moulds, one end of five mould main moulds is equipped with five mould masters It being padded after mould, the other end that five moulds lead to stick pads after protruding into five mould main moulds, and the inside padded after five mould main moulds is equipped with five mould main mould pushing pads, One end of five mould main mould pushing pads leads to stick with five moulds and contacts, and the inside of five stamping moulds is equipped with five stamping mould pushing pads, and five stamping moulds push away Pad is contacted with five stamping sticks, wherein the components such as pad, five mould main mould pushing pads, five stamping mould pushing pads are in this technology after five mould main moulds The technological means that the logical stick of five moulds of common cooperation, five stamping sticks use；

Please refer to Figure 13 and Figure 14, six mould includes six mould main moulds 61 and six stamping moulds 62, the six moulds main mould it is interior Portion is equipped with mode 63, and the middle part of the six moulds mode, which is run through, is equipped with the whole chamber 64 of six die repairs, and the inside of the six moulds main mould is equipped with six Mould leads to stick set 65, and the inside that six mould leads to stick set leads to stick 66 through six moulds are equipped with, and one end that six mould leads to stick set protrudes into six The whole chamber of die repair, the both ends that six mould leads to stick run through six moulds out and lead to stick set, and the inside of the six stampings mould is equipped with six stamping sticks 67, the whole chamber of six die repairs is protruded into one end of the six stampings stick, and the six stampings mould moves back and forth impact forging towards six mould main moulds and formed Finished parts f, the outside that six moulds lead to stick set are cased with six mould springs, and the inside of six mould main moulds is equipped with six mould internal model lassos, in six moulds One end of die sleeve circle is contacted with six mould modes, and six mould internal models cover snare in the outside of six mould springs, and the inside of six mould main moulds is installed There are pad in six mould main moulds, another end in contact of one end and six mould internal model lassos for padding in six mould main moulds, the inside peace of six mould main moulds Lead to stick pad equipped with six moulds, one end that six moulds lead to stick pad leads to stick with pad in six mould main moulds and six moulds and contacts, and six moulds lead to symmetrical on stick pad Through six mould top sticks are equipped with, one end of six mould top sticks pad in six mould main moulds, one end of six mould top sticks and six moulds lead to stick set Contact, the inside of six stamping moulds are equipped with six stamping mould top stick pads, and six mould top sticks run through six mould top stick pads, and the one of six mould top stick pads End is contacted with six stamping sticks, wherein six mould springs, the inside of six mould main moulds is equipped with, pads in six mould internal model lassos, six mould main moulds, It is that six moulds is commonly cooperated to lead to stick, six stampings in this technology that six moulds, which lead to the components such as stick pad, six mould top sticks, six stamping mould top stick pads, The technological means that stick uses.

While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art, It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.

Claims (2)

1. a kind of connecting fork molding die, it is characterised in that: including being used for forging successively a molding mould, two moulds, three moulds, four Mould, five moulds and six moulds, a mould include a mould main mould and a stamping mould, and the inside of the mould main mould is equipped with a mould mold core, A mold forming chamber, symmetrical integrated molding before and after the inside right end of the mold forming chamber are equipped with inside one end of the one mould mold core There is a mould protruding block, the left side of the mould protruding block is equipped with a mould arc groove, and the other end of the mould mold core has One mould through-hole, the mould through-hole are connected to the inner cavity of a mould mold core, and the inside of the mould main mould is equipped with a mould and leads to stick, described A mould through-hole is run through in one end that one mould leads to stick, and the inside of the stamping mould is equipped with a stamping stick, one end of the stamping stick A mould mold core is protruded into, the stamping mould moves back and forth impact forging towards a mould main mould and forms preforming forging a；

Two mould includes two mould main moulds and two stamping moulds, and the inside of the two moulds main mould is equipped with two mould mold cores, the two moulds mould Be equipped with two moulds inside one end of core and pitch body formed chamber, two mould pitch before and after the inside right end of body formed chamber symmetrically integrally formed with Two mould protruding blocks, the left side of the two moulds protruding block are equipped with two mould arc grooves, and the other end of the two moulds mold core has two Mould through-hole, the two moulds through-hole are connected to the inner cavity of two mould mold cores, and the inside of the two moulds main mould is equipped with two moulds and leads to stick, and described two Two mould through-holes are run through in one end that mould leads to stick, and the inside of the two stampings mould is equipped with two stamping sticks, on the inside of the two stampings mould Under be symmetrically arranged with two mould top sticks, two mould mold cores are protruded into one end of the two stampings stick, and the two stampings mould is past towards two mould main moulds Movement impact forging again forms preforming forging b；

Three mould includes three mould main moulds and three stamping moulds, and the inside of the three moulds main mould is equipped with three mould mold cores, the three moulds mould The middle part of core, which is run through, is equipped with the body formed chamber of three moulds fork body fork, and the inside of the three moulds main mould is equipped with three moulds and leads to stick set, three mould The inside of logical stick set is equipped with three moulds and leads to stick, and one end that three mould leads to stick set protrudes into three moulds fork body and pitches body formed chamber, three mould The both ends of logical stick stretch out three moulds and lead to stick set, and the inside of the three stampings mould is equipped with three stamping sticks, the inside of the three stampings mould Symmetrical above and below to be equipped with three mould top sticks, one end of the three stampings stick protrudes into three moulds fork body and pitches body formed chamber, the three stampings mould court Xiang Sanmo main mould moves back and forth impact forging and forms preforming forging c；

Four mould includes four mould main moulds and four stamping moulds, and the inside of the four moulds main mould is equipped with four mould mold cores, the four moulds mould Inside one end of core is equipped with four moulds fork body and pitches body formed chamber, and the inside other end of the four moulds mold core is equipped with connector forming cavity, The connector forming cavity is connected to body formed chamber is pitched, and the inside of the four moulds main mould is equipped with four moulds and leads to stick, and four mould leads to stick One end protrude into connector forming cavity, the inside of the four stampings mould is equipped with four stamping sticks, above and below the inside of the four moulds main mould Four mould top sticks are symmetrically arranged with, one end of the four stampings stick protrudes into four moulds fork body and pitches body formed chamber, the four stampings mould direction four Mould main mould moves back and forth impact forging and forms preforming forging d；

Five mould includes five mould main moulds and five stamping moulds, and the inside of the five moulds main mould is equipped with the whole chamber of five die repairs, five mould The inside of main mould is equipped with five moulds and leads to stick, and the whole chamber of five die repairs is protruded into one end that five mould leads to stick, and the inside of the five stampings mould is set There are five stamping sticks, the whole chamber of five die repairs is protruded into one end of the five stampings stick, and the five stampings mould is moved back and forth towards five mould main moulds Impact forging forms preforming forging e；

Six mould includes six mould main moulds and six stamping moulds, and the inside of the six moulds main mould is equipped with mode, the six moulds mode Middle part, which is run through, is equipped with the whole chamber of six die repairs, and the inside of the six moulds main mould is equipped with six moulds and leads to stick set, and six mould leads to the inside of stick set Lead to stick through six moulds are equipped with, the whole chamber of six die repairs is protruded into one end that six mould leads to stick set, and the both ends that six mould leads to stick are run through Six moulds lead to stick set out, and the inside of the six stampings mould is equipped with six stamping sticks, and the whole chamber of six die repairs is protruded into one end of the six stampings stick, The six stampings mould moves back and forth impact forging towards six mould main moulds and forms finished parts f.

2. a kind of connecting fork molding die according to claim 1, it is characterised in that: further include that clamping forge piece successively passes through One mould, two moulds, three moulds, four moulds and five moulds transmission device.