CN104525811B - Part cold-heading processing method - Google Patents
Part cold-heading processing method Download PDFInfo
- Publication number
- CN104525811B CN104525811B CN201410833514.5A CN201410833514A CN104525811B CN 104525811 B CN104525811 B CN 104525811B CN 201410833514 A CN201410833514 A CN 201410833514A CN 104525811 B CN104525811 B CN 104525811B
- Authority
- CN
- China
- Prior art keywords
- die
- bed die
- edger
- cavity
- head
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Abstract
A kind of part cold-heading processing method, successively by following steps：Step one, the extruding by the first stamping die (1) to part blank obtains the size of head taper and the requirement of bar portion undergauge；Step 2, profile and size that extruding obtains part head are carried out to step one part (2) by the second stamping die (3)；Step 3, the extruding by the 3rd stamping die (4) to step 2 part (2) makes the edger of bed die make the traditional method of indicating the pronunciation of a Chinese character to step 2 part (2) and obtains the shape and size of the required profile of part neck；The upper and lower pair of shape and size cut and obtain carrot-free part contouring head are made on step 4, part (2) head periphery after the 4th stamping die is processed to step 3, that is, complete whole part cold-heading process.The advantage is that：Stock utilization is high, material-saving, cost-effective, and operation is simple, only part need to be placed on into specified location, and mould can be processed and formed at one time, and efficiency high, adjustable is high, rate of reducing the number of rejects and seconds, and can effectively remove flash removed, and application effect is good.
Description
Technical field
The present invention relates to a kind of method of processing parts, a kind of especially part cold-heading processing side of effective removal part burr
Method.
Background technology
A kind of existing Application No. CN201110341854.2 is entitled《Titanium alloy fastening piece cold heading forming process》In
State's patent of invention discloses a kind of titanium alloy fastening piece cold heading forming process, is to choose coiling of the Brinell hardness less than 100 first
The titanium material of annealed condition, uses small passage technique, i.e. deformation every time after annealing to increase a passage, each road in drawing
Secondary processing capacity is the 50% of last passage processing capacity；The good coiling material feeding high intensity multistage cold former of drawing, at least leads to
It is made after cold-heading molding twice, and cold-heading molding deflection is no more than 50% every time.The application of the invention new technology can be improved
10-15 times of work efficiency, material use reduction by 50% so that holistic cost declines more than 70%.The titanium fastener of the technique productions from
Economic worth compares, and will have cost performance higher than the like product of stainless steel, will make the application field of the product rapid
Expand several times.But it has the disadvantage, operation is complex, and stock utilization is still improved space, and rapidoprint scope is smaller, product
Product quality may be influenceed with jagged, so its structure needs to improve.
The content of the invention
The technical problems to be solved by the invention are directed to above-mentioned state of the art and provide one kind and effectively remove flash removed,
Operation is simple, easy to process, stock utilization part cold-heading processing method high.
The present invention solve the technical scheme that is used of above-mentioned technical problem for：This part cold-heading processing method, its feature exists
In：Successively by following steps：Step one, the extruding by the first stamping die to part blank obtains head taper and bar portion undergauge
It is required that size；Step 2, profile and size that extruding obtains part head are carried out to step one part by the second stamping die；
Step 3, the extruding by the 3rd stamping die to step 2 part, make the edger of bed die to step 2 part make the traditional method of indicating the pronunciation of a Chinese character and
Obtain the shape and size of the required profile of part neck；Step 4, after the 4th stamping die is processed to step 3 zero
The upper and lower pair of shape and size cut and obtain carrot-free part contouring head are made on part head periphery, that is, complete whole part cold-heading
Process.
Used as improvement, first stamping die includes upper die and lower die, and the upper mould can be relative to lower mould by driver
Move up and down, the upper mould include upper shuttering, the bottom of upper shuttering be provided with can by part blank strike out head taper will
Die cavity, punching press rod, the punching press rod briquetting of size, the punching press rod is asked to be passed through from die cavity top through hole and mutually fixed with upper shuttering
The bottom surface of punching press rod briquetting be connected, being provided with the lower mould can be molded into head taper and bar portion undergauge by part blank
The lower mould cavity of desired size, is vertically provided with what is punch forming part can ejected from lower mould cavity in the lower mould cavity
Push rod, the push rod can slide up and down to the bottom for extending lower mould through the through hole of lower mould, when blank part is put into upper mould
After die cavity and lower mould cavity, upper mould is moved down under driver drives, extruding of the blank part top in punching press rod bottom surface
Under move down part and enter lower mould cavity, form the part of head taper and bar portion undergauge desired size.
Used as improvement, second stamping die includes upper trimming die and bed die, and the upper trimming die can be relative by drive mechanism
Moved up and down in bed die, the upper trimming die includes upper trimming die shell, is embedded at the pressing block of upper trimming die shell bottom, is set in the bed die
The bed die cavity that can place part after step one is processed is equipped with, being vertically provided with the bed die cavity can be by punch forming part
The through rod ejected from bed die cavity, the through rod can slide up and down to the bottom for extending bed die through the through hole of bed die,
After step one forming part is put into bed die cavity, upper trimming die drive mechanism driving under move down and at the top of extrusion sections,
Move down part and enter bed die cavity, form the neck conical part of neck taper.
Used as improvement, the 3rd stamping die includes upper stamping die and lower bed die, and the upper stamping die passes through drive device
Can be moved up and down relative to lower bed die, the upper stamping die includes upper punching press formwork, is embedded at the punching press of pressure punch die shell bottom
Part, being provided with the lower bed die can place the lower bed die cavity of part after step 2 is processed, vertical in the lower bed die cavity
The locating rod that punch forming part can be ejected from lower bed die cavity is provided with, the locating rod can slide up and down under
The through hole of bed die and extend the bottom of lower bed die, the cone of step 2 shaping is provided with bed die under the outside of lower bed die cavity
The neck edger of shape neck part, after step 2 forming part is put into lower bed die cavity, upper stamping die drives in drive device
Moved down under dynamic and extrusion sections top, move down part and enter lower bed die cavity, conical neck is by neck trimming
The colored tooth part for cutting into setting flower tooth of mould.
Further improve, the lower bed die includes die sleeve shell, internal model, and the internal model is placed in die sleeve shell, the internal model
Middle top surface be convexly equipped with convex portion, the neck edger is closely placed on the periphery of convex portion, and the lower bed die cavity is located at
In convex portion, the neck edger setting flower tooth gear cutter be located at lower bed die cavity top, the neck edger with
Die sleeve shell phase is fixed, and the locating rod extends the bottom of lower bed die from the through hole of internal model.
Improve again, the neck edger neighboring is provided with to improve neck edger positioning stability and strengthen neck and cuts
The reinforcing ring of side mould intensity, circumferential lateral surface and the die sleeve shell phase of the reinforcing ring are fixed.
Used as improvement, the 4th stamping die includes top stamping die and bottom bed die, and the top stamping die is by driving
Moving part can be moved up and down relative to bottom bed die, and the top stamping die includes punch die, the upper edger of part head, upper trimming
The locking lid of mould, the upper edger is embedded in the vestibule of locking lid, and the locking lid dismountable type is fixed on the bottom of punch die,
The passage that formed product takes out from punch die is set in the punch die, and being provided with the bottom bed die can place step 3 processing
The lower bed die cavity of part afterwards, being vertically provided with the bottom bed die cavity can be by punch forming part from bottom bed die cavity
The logical rod of middle ejection, the logical rod can slide up and down to the bottom for extending bottom bed die through the through hole of bottom bed die,
Bottom bed die outside the bed die cavity of bottom be provided with step 3 shaping part head lower edger, the upper edger with
Lower edger is set for consistency from top to bottom, and after step 3 forming part is put into bottom bed die cavity, upper edger drives in actuator
Moved down under dynamic and extrusion sections are moved down, the periphery of upper edger cutting parts head from the top down is at the same time solid
Due to the periphery of the lower edger cutting parts head from bottom to top of bottom bed die, formation will not produce burr up and down to cutting zero
The trimming on part head periphery, part head periphery cuts into setting shape by upper and lower edger, the product after shaping by logical rod from
The middle part inner chamber of upper edger ejects top stamping die through die passage.
Further improve, the upper edger neighboring is provided with can improve edger positioning stability and the upper trimming of reinforcement
The upper reinforcing ring of mould intensity, the circumferential lateral surface and locking lid inwall of the upper reinforcing ring are mutually fixed, and the locking lid is in platform level shape,
The locking is covered by the internal thread of level of appearing on the stage together with the projection external thread bolt connection of die lower part undergauge, the upper trimming
Together with mould, the top surface of upper reinforcing ring are contacted with projection bottom surface.
Improve again, the bottom bed die includes lower die-sleeve shell, interior die body, the interior die body is placed in lower die-sleeve shell, institute
The middle top surface for stating interior die body is convexly equipped with lug boss, and the lower edger is closely placed on the periphery of lug boss, the bottom
Bed die cavity is located in lug boss, and the lower edger is fixed with lower die-sleeve shell phase, and the logical rod prolongs from the through hole of interior die body
Stretch out the bottom of bottom bed die.
Further improve, the lower edger neighboring is provided with can improve lower edger positioning stability and strengthen incision
The lower reinforcing ring of side mould intensity, circumferential lateral surface and the lower die-sleeve shell phase of the lower reinforcing ring are fixed.
Prior art is compared, it is an advantage of the current invention that using 4 procedures, gradually changing part external form, meets processing need
Ask, stock utilization is high, material-saving is cost-effective；Operation is simple, only part need to be placed on into specified location, mould energy one
Secondary machine-shaping, effect is immediately visible, and adjustable is high, rate of reducing the number of rejects and seconds, further cost-effective；Flash removed can be effectively removed,
Finished surface smoothness quality is excellent, and application effect is good.
Brief description of the drawings
Fig. 1 is the profile of the stamping die of the embodiment of the present invention first；
Fig. 2 is the structure decomposition figure of Fig. 1；
Fig. 3 is the enlarged drawing of I parts in Fig. 2；
Fig. 4 is the profile of the stamping die of the embodiment of the present invention second；
Fig. 5 is the structure decomposition figure of Fig. 4；
Fig. 6 is the enlarged drawing of II parts in Fig. 5；
Fig. 7 is the profile of the stamping die of the embodiment of the present invention the 3rd；
Fig. 8 is the structure decomposition figure of Fig. 7；
Fig. 9 is the enlarged drawing of III parts in Fig. 8；
Figure 10 is the profile of the stamping die of the embodiment of the present invention the 4th；
Figure 11 is the structure decomposition figure of Figure 10；
Figure 12 is the enlarged drawing of IV parts in Figure 11；
Figure 13 is the enlarged drawing of V parts in Figure 11.
Specific embodiment
The present invention is described in further detail below in conjunction with accompanying drawing embodiment.
As shown in figure 1 to figure 13, the part cold-heading processing method of the present embodiment, successively by following steps：Step one, passes through
Extruding of first stamping die 1 to part blank obtains the size of head taper and the requirement of bar portion undergauge；Step 2, by the second punching
Pressing mold 3 carries out the profile and size that extruding obtains part head to step one part 2；Step 3, by 4 pairs of steps of the 3rd stamping die
The extruding of rapid two part 2, makes the edger of bed die obtain the required profile of part neck to the making the traditional method of indicating the pronunciation of a Chinese character of step 2 part 2
Shape and size；Make double cutting up and down and obtain in step 4, the head periphery of part 2 after the 4th stamping die is processed to step 3
The shape and size of carrot-free part contouring head are obtained, that is, completes whole part cold-heading process.
First stamping die 1 includes upper die and lower die 17, and the upper mould can be moved up and down by driver relative to lower mould 17,
The upper mould includes upper shuttering 11, is provided with and part blank can be struck out into head taper desired size in the bottom of upper shuttering 11
Die cavity 12, punching press rod 13, punching press rod briquetting 14, the punching press rod 13 from the top through hole of die cavity 12 pass through and upper shuttering 11
Mutually the bottom surface of fixed punching press rod briquetting 14 is connected, and being provided with the lower mould 17 can be molded into head taper by part blank
With the lower mould cavity 15 of bar portion undergauge desired size, be vertically provided with the lower mould cavity 15 can by punch forming part 2 from
The push rod 16 ejected in lower mould cavity 15, the push rod 16 can slide up and down to through the through hole of lower mould 17 and extend lower mould 17
Bottom, after blank part is put into upper punch die cavity 12 with lower mould cavity 15, upper mould is moved down under driver drives, hair
Base part top moves down part and mould cavity 15 under entering under the extruding of the bottom surface of punching press rod 13, formed head taper and
The part 2 of bar portion undergauge desired size.
Second stamping die 3 includes upper trimming die and bed die 33, and the upper trimming die can be relative on bed die 33 by drive mechanism
Lower movement, the upper trimming die includes upper trimming die shell 31, the pressing block 32 of the bottom of upper trimming die shell 31 is embedded at, in the bed die 33
The bed die cavity 34 that can place part 2 after step one is processed is provided with, being vertically provided with the bed die cavity 34 can be by punching press
The through rod 35 that forming part is ejected from bed die cavity 34, the through rod 35 can slide up and down to and prolong through the through hole of bed die 33
The bottom of bed die 33 is stretched out, after step one forming part 2 is put into bed die cavity 34, upper trimming die is downward under drive mechanism driving
Move and extrusion sections top, move down part 2 and enter bed die cavity 34, form the neck conical part of neck taper
2。
3rd stamping die 4 includes upper stamping die and lower bed die, and the upper stamping die can be relative to bottom by drive device
Mould is moved up and down, and the upper stamping die includes upper punching press formwork 41, is embedded at the stamping parts 42 of pressure punch die shell bottom, it is described under
Being provided with bed die can place the lower bed die cavity 44 of part 2 after step 2 is processed, vertically arranged in the lower bed die cavity 44
There is the locating rod 45 that punch forming part 2 can be ejected from lower bed die cavity 44, the locating rod 45 can slide up and down to wears
Cross down the through hole of bed die and extend the bottom of lower bed die, be provided with bed die under the outside of lower bed die cavity 44 step 2 into
The neck edger 46 of the conical neck part 2 of type, after step 2 forming part 2 is put into lower bed die cavity 44, upper stamping die
Moved down and the top of extrusion sections 2 under drive device driving, move down part 2 and enter lower bed die cavity 44, cone
Shape neck is by the colored tooth part 2 for cutting into setting flower tooth of neck edger 46.The lower bed die includes die sleeve shell 47, internal model
43, the internal model 43 is placed in die sleeve shell 47, and the middle top surface of the internal model 43 is convexly equipped with convex portion 48, the neck edger 46
The periphery of convex portion 48 is closely placed on, the lower bed die cavity 44 is located in convex portion 48, the setting of the neck edger 46
The gear cutter of flower tooth is located at the top of lower bed die cavity 44, and the neck edger 46 is mutually fixed with die sleeve shell 47, the positioning
Bar 45 extends the bottom of lower bed die from the through hole of internal model 43.The neighboring of neck edger 46 is provided with and can improve neck
Edger 46 positions stability and strengthens the reinforcing ring 49 of the intensity of neck edger 46, the circumferential lateral surface and die sleeve of the reinforcing ring 49
Shell 47 is mutually fixed.
4th stamping die includes top stamping die 5 and bottom bed die, and the top stamping die 5 can be relative to by actuator
Bottom bed die is moved up and down, and the top stamping die 5 includes punch die 51, the upper edger 52 of part head, upper edger 52
Locking lid 53, the upper edger 52 is embedded in the vestibule of locking lid 53, and the locking dismountable type of lid 53 is fixed on punch die 51
Bottom, the passage 54 that formed product is taken out in the punch die 51 is set in the punch die 51, be provided with energy in the bottom bed die
The lower bed die cavity 44 of part 2 after step 3 is processed is placed, being vertically provided with the bottom bed die cavity 61 will strike out
The logical rod 62 that type part 2 is ejected from bottom bed die cavity 61, the logical rod 62 can slide up and down to through the logical of bottom bed die
Hole and extend the bottom of bottom bed die, the bottom bed die outside bottom bed die cavity 61 is provided with the part of step 3 shaping
The lower edger 63 of 2 heads, the upper edger 52 is consistency from top to bottom setting with lower edger 63, when step 3 forming part 2
After being put into bottom bed die cavity 61, upper edger 52 is moved down under actuator driving and extrusion sections are moved down, and is above cut
The periphery of the cutting parts head from the top down of side mould 52, the lower edger 63 for being at the same time fixed on bottom bed die is cut from bottom to top
Cut the periphery of part head, formation will not produce burr up and down to cutting the trimming on part head periphery, part head periphery quilt
Upper and lower edger cuts into setting shape, and the product after shaping is by logical rod 62 from the middle part inner chamber of upper edger 52 through die passage
54 ejection top stamping dies 5.The neighboring of upper edger 52 is provided with can improve the positioning stability of edger 52 and the upper trimming of reinforcement
The upper reinforcing ring 55 of the intensity of mould 52, circumferential lateral surface and the locking inwall of lid 53 of the upper reinforcing ring 55 are mutually fixed, the locking lid
53 are existed in platform level shape, the locking lid 53 by the internal thread of level of appearing on the stage and the external thread bolt connection of projection 56 of the bottom undergauge of punch die 51
Together, together with the upper edger 52, the top surface of upper reinforcing ring 55 are contacted with the bottom surface of projection 56.The bottom bed die is included
Lower die-sleeve shell 64, interior die body 6, the interior die body 6 are placed in lower die-sleeve shell 64, and the middle top surface of the interior die body 6 is convexly equipped with convex
Portion 65 is played, the lower edger 63 is closely placed on the periphery of lug boss 65, and the bottom bed die cavity 61 is located at lug boss
In 65, the lower edger 63 is mutually fixed with lower die-sleeve shell 64, and the logical rod 62 extends lower bottom from the through hole of interior die body 6
The bottom of mould.The neighboring of lower edger 63 is provided with edger the last 63 under improving the lower positioning stability of edger 63 and strengthening
The lower reinforcing ring 66 of degree, circumferential lateral surface and the lower die-sleeve shell 64 of the lower reinforcing ring 66 are mutually fixed.
Operation principle：First, the extruding by the first stamping die to part blank obtains head taper and bar portion undergauge will
The size asked；Then, profile and size that extruding obtains part head are carried out to step one part by the second stamping die；Connect
, the extruding by the 3rd stamping die to step 2 part, the edger of bed die is made the traditional method of indicating the pronunciation of a Chinese character to step 2 part and is obtained zero
The shape and size of the required profile of part neck；Finally, the part head week after the 4th stamping die is processed to step 3
The upper and lower pair of shape and size cut and obtain carrot-free part contouring head are made on side, that is, complete whole part cold-heading processed
Journey.
Claims (4)
1. a kind of part cold-heading processing method, it is characterised in that：Successively by following steps：Step one, by the first stamping die (1)
Extruding to part blank obtains the size of head taper and the requirement of bar portion undergauge；Step 2, by the second stamping die (3) to step
A rapid part (2) carries out the profile and size that extruding obtains part head；Step 3, by the 3rd stamping die (4) to step 2
The extruding of part (2), makes the edger of bed die make the traditional method of indicating the pronunciation of a Chinese character to step 2 part (2) and obtain the required profile of part neck
Shape and size；Make double cutting up and down and obtain in step 4, part (2) head periphery after the 4th stamping die is processed to step 3
The shape and size of carrot-free part contouring head are obtained, that is, completes whole part cold-heading process；First stamping die
(1) including upper die and lower die (17), the upper mould can be moved up and down by driver relative to lower mould (17), and the upper mould includes
Upper shuttering (11), it is provided with the bottom of upper shuttering (11) part blank can be struck out the die cavity of head taper desired size
(12), punching press rod (13), punching press rod briquetting (14), the punching press rod (13) pass through and upper shuttering from die cavity (12) top through hole
(11) bottom surface of mutually fixed punching press rod briquetting (14) is connected, and is provided with and can be molded into part blank in the lower mould (17)
The lower mould cavity (15) of head taper and bar portion undergauge desired size, being vertically provided with the lower mould cavity (15) can be by punching press
The push rod (16) of forming part (2) ejection from lower mould cavity (15), the push rod (16) can slide up and down to through lower mould
(17) through hole and extend the bottom of lower mould (17), when blank part is put into upper punch die cavity (12) with lower mould cavity (15)
Afterwards, upper mould is moved down under driver drives, and blank part top makes part downward under the extruding of punching press rod (13) bottom surface
Move and enter lower mould cavity (15), form the part (2) of head taper and bar portion undergauge desired size；Second stamping die
(3) including upper trimming die and bed die (33), the upper trimming die can be moved up and down by drive mechanism relative to bed die (33), it is described on
Punch die includes upper trimming die shell (31), is embedded at the pressing block (32) of upper trimming die shell (31) bottom, is provided with the bed die (33)
The bed die cavity (34) of part (2) after step one is processed can be placed, being vertically provided with the bed die cavity (34) can be by punching press
The through rod (35) of forming part ejection from bed die cavity (34), the through rod (35) can slide up and down to through bed die (33)
Through hole and extend the bottom of bed die (33), after step one forming part (2) is put into bed die cavity (34), upper trimming die is driving
Mechanism moves down and extrusion sections top under driving, and moves down part (2) and enters bed die cavity (34), forms neck
The conical neck part (2) of taper；3rd stamping die (4) includes upper stamping die and lower bed die, and the upper stamping die passes through
Drive device can be moved up and down relative to lower bed die, and the upper stamping die includes upper punching press formwork (41), is embedded at pressure punch die
The stamping parts (42) of shell bottom, being provided with the lower bed die can place the lower bed die cavity of part (2) after step 2 is processed
(44), being vertically provided with the lower bed die cavity (44) can the ejection from lower bed die cavity (44) by punch forming part (2)
Locating rod (45), the locating rod (45) can slide up and down to the bottom for extending lower bed die through the through hole of lower bed die,
The neck edger of the conical neck part (2) of step 2 shaping is provided with bed die under the outside of lower bed die cavity (44)
(46), after step 2 forming part (2) is put into lower bed die cavity (44), upper stamping die is moved down under drive device driving
And extrusion sections (2) top, moving down part (2) and enter lower bed die cavity (44), conical neck is by neck edger
(46) the colored tooth part (2) of setting flower tooth is cut into；4th stamping die includes top stamping die (5) and bottom bed die, institute
Stating top stamping die (5) can be moved up and down by actuator relative to bottom bed die, and the top stamping die (5) is including punch die
(51), the locking lid (53) of the upper edger (52) of part head, upper edger (52), the upper edger (52) is embedded at lock
In the vestibule of tight lid (53), described locking lid (53) dismountable type is fixed on the bottom of punch die (51), is set in the punch die (51)
The passage (54) that formed product takes out from punch die (51), being provided with the bottom bed die can place part after step 3 processing
(2) bottom bed die cavity (61), being vertically provided with the bottom bed die cavity (61) can be by punch forming part (2) under
The logical rod (62) of ejection in portion's bed die cavity (61), the logical rod (62) can slide up and down to prolongs through the through hole of bottom bed die
The bottom of bottom bed die is stretched out, outside bottom bed die is provided with the part (2) of step 3 shaping in bottom bed die cavity (61)
The lower edger (63) of head, the upper edger (52) is consistency from top to bottom setting with lower edger (63), when step 3 shaping
After part (2) is put into bottom bed die cavity (61), upper edger (52) actuator driving under move down and extrusion sections to
Lower movement, the periphery of upper edger (52) cutting parts head from the top down, is at the same time fixed on the lower trimming of bottom bed die
The periphery of mould (63) cutting parts head from bottom to top, formation will not produce being cut to cutting part head periphery up and down for burr
Side, part head periphery cuts into setting shape by upper and lower edger, and the product after shaping is by logical rod (62) from upper edger
(52) middle part inner chamber ejects top stamping die (5) through die passage (54)；Upper edger (52) neighboring is provided with energy
The upper reinforcing ring (55) of edger (52) positioning stability and upper edger (52) intensity of reinforcement, the upper reinforcing ring (55) in raising
Circumferential lateral surface with locking lid (53) inwall mutually fix, it is described locking lid (53) in platform level shape, the locking lid (53) is by upper
Platform level internal thread together with projection (56) external thread bolt connection of punch die (51) bottom undergauge, the upper edger (52), on
Together with the top surface of reinforcing ring (55) is contacted with projection (56) bottom surface；The bottom bed die includes lower die-sleeve shell (64), internal model
Body (6), the interior die body (6) is placed in lower die-sleeve shell (64), and the middle top surface of the interior die body (6) is convexly equipped with lug boss
(65), the lower edger (63) is closely placed on the periphery of lug boss (65), and the bottom bed die cavity (61) is positioned at convex
Rise in portion (65), the lower edger (63) is mutually fixed with lower die-sleeve shell (64), through hole of the logical rod (62) from interior die body (6)
In extend the bottom of bottom bed die.
2. part cold-heading processing method according to claim 1, it is characterised in that：The lower bed die includes die sleeve shell
(47), internal model (43), the internal model (43) is placed in die sleeve shell (47), and the middle top surface of the internal model (43) is convexly equipped with convex portion
(48), the neck edger (46) is closely placed on the periphery of convex portion (48), and the lower bed die cavity (44) is positioned at convex portion
(48) in, the gear cutter of the setting flower tooth of the neck edger (46) is located at lower bed die cavity (44) top, the neck
Edger (46) is mutually fixed with die sleeve shell (47), and the locating rod (45) extends the bottom of lower bed die from the through hole of internal model (43)
Portion.
3. part cold-heading processing method according to claim 2, it is characterised in that：Neck edger (46) neighboring
The reinforcing ring (49) that can be improved neck edger (46) positioning stability and strengthen neck edger (46) intensity is provided with, it is described to add
The circumferential lateral surface of strong ring (49) is mutually fixed with die sleeve shell (47).
4. according to any described part cold-heading processing method in claims 1 to 3, it is characterised in that：The lower edger
(63) neighboring is provided with the lower reinforcing ring that can be improved lower edger (63) positioning stability and strengthen lower edger (63) intensity
(66), the circumferential lateral surface of the lower reinforcing ring (66) is mutually fixed with lower die-sleeve shell (64).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410833514.5A CN104525811B (en) | 2014-12-24 | 2014-12-24 | Part cold-heading processing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410833514.5A CN104525811B (en) | 2014-12-24 | 2014-12-24 | Part cold-heading processing method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104525811A CN104525811A (en) | 2015-04-22 |
| CN104525811B true CN104525811B (en) | 2017-06-20 |
Family
ID=52841542
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410833514.5A Active CN104525811B (en) | 2014-12-24 | 2014-12-24 | Part cold-heading processing method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104525811B (en) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104826941A (en) * | 2015-05-21 | 2015-08-12 | 东莞联志五金制品有限公司 | Stamping assembly for vent valve |
| CN105363984A (en) * | 2015-12-10 | 2016-03-02 | 重庆福悦安科技有限公司 | Horizontal double-head cold heading fixed die |
| CN105618665B (en) * | 2016-01-25 | 2018-03-13 | 浙江机电职业技术学院 | One kind takes out hole bolt plastic forming method |
| CN105598330B (en) * | 2016-02-01 | 2017-10-27 | 浙江机电职业技术学院 | The plastic forming method of eccentric hexagonal pivot pin |
| CN105750475B (en) * | 2016-03-04 | 2018-11-09 | 浙江机电职业技术学院 | A kind of semi-hollow pivot pin plastic forming method |
| CN105642817B (en) * | 2016-03-18 | 2018-11-02 | 浙江机电职业技术学院 | A kind of plastic forming method of spherical surface hex bolts |
| CN107931497A (en) * | 2017-11-27 | 2018-04-20 | 上海鸿基金属制品有限公司 | Combine the cold-heading molding technique of fixed link |
| JP6537151B1 (en) * | 2018-05-31 | 2019-07-03 | 株式会社関プレス | Projection forming method, projection forming system, and method of manufacturing metal part having projection |
| CN110323100B (en) * | 2019-07-04 | 2021-03-16 | 深圳东洋旺和实业有限公司 | High-precision iron core processing equipment and corresponding iron core processing method |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10225743A (en) * | 1997-02-13 | 1998-08-25 | Toyota Motor Corp | Cold forging die for tooth form parts |
| CN201183101Y (en) * | 2008-03-11 | 2009-01-21 | 长宏工厂股份有限公司 | Forming device for double cutting type parts |
| CN202137312U (en) * | 2011-06-20 | 2012-02-08 | 重庆创精温锻成型有限公司 | Cold-extrusion die for output spline shaft of automobile automatic transmission |
| CN102784868B (en) * | 2012-08-15 | 2014-07-30 | 浙江中航来宝精工科技有限公司 | Lattice-teeth bolt forming method and forming mold used by same |
| CN103624203B (en) * | 2013-11-11 | 2016-06-01 | 梧州恒声电子科技有限公司 | The working method of a kind of high line diameter ratio T iron and processing mold |
| CN203944782U (en) * | 2014-06-26 | 2014-11-19 | 日泰（上海）汽车标准件有限公司 | A kind of cold upsetting die of car of automotive brake nut |
-
2014
- 2014-12-24 CN CN201410833514.5A patent/CN104525811B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN104525811A (en) | 2015-04-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104525811B (en) | Part cold-heading processing method | |
| CN100488660C (en) | Method for forming shoulder profile in aluminum alloy tank | |
| CN101537472A (en) | Bolt processing technic featuring one-step molding | |
| CN206824495U (en) | Annular stretching hole flanging shaping class progressive die | |
| CN105618665B (en) | One kind takes out hole bolt plastic forming method | |
| CN105750475B (en) | A kind of semi-hollow pivot pin plastic forming method | |
| CN101947567A (en) | Processing technique and processing device of flat-head hexagon bolt for cold extrusion shaping cart | |
| CN105057556B (en) | A kind of forging molding process of bearing ring | |
| CN108097855B (en) | A kind of railway frog solid forging method | |
| CN109351899B (en) | Forming method of large-scale multi-rib basin-shaped forging | |
| CN106890883B (en) | Impulse- free robustness blanking die | |
| CN105642817B (en) | A kind of plastic forming method of spherical surface hex bolts | |
| CN105598330B (en) | The plastic forming method of eccentric hexagonal pivot pin | |
| CN103736896A (en) | Die floating type forging die rack | |
| CN205763295U (en) | Automotive seat lower margin continuous stamping die | |
| CN109500347A (en) | Electronic parking adjusting nut cold-heading device and its production technology | |
| CN104668324A (en) | Forming method for double-end stud blank | |
| CN105396952B (en) | A kind of tooth Profile Machining mould and processing technology | |
| CN107755448A (en) | A kind of ring gear mould and forming method | |
| CN207806350U (en) | A kind of assembling die for car roof reinforcing plate | |
| CN106994494A (en) | The mould processed for eccentric bolt cold-heading | |
| CN106111863A (en) | The processing method of a kind of forging and forging mold thereof | |
| CN206104697U (en) | Welding electrode cap stamping die for manufacturing | |
| CN207272080U (en) | A kind of hot-rocking-rolling mold | |
| KR101024287B1 (en) | roughing mold for forging hub |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |