CN104525811A - Part cold heading machining method - Google Patents

Part cold heading machining method Download PDF

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Publication number
CN104525811A
CN104525811A CN201410833514.5A CN201410833514A CN104525811A CN 104525811 A CN104525811 A CN 104525811A CN 201410833514 A CN201410833514 A CN 201410833514A CN 104525811 A CN104525811 A CN 104525811A
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die
edger
bed die
cavity
bed
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CN201410833514.5A
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CN104525811B (en
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张理锋
孟武功
王循明
赵萍丽
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Factory No7412 Of Zhoushan
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Factory No7412 Of Zhoushan
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Abstract

A part cold heading machining method includes the steps that firstly, a part blank is extruded by a first stamping die (1) to obtain sizes required by head taper and rod necking; secondly, a part (2) obtained in the first step is extruded by a second stamping die (3) to obtain the contour and size of the head of the part; thirdly, the part (2) obtained in the second step is extruded by a third stamping die (4), and a trimming die of a bottom die conducts reverse cutting on the part (2) obtained in the second step to obtain the needed shape and the needed size of the contour of the neck of the part; fourthly, upper and lower double cutting is carried out on the periphery of the head of the part (2) machined in the third step through a fourth stamping die to obtain the shape and size of the contour of the head of the burr-free part, and the whole part cold heading machining process is completed. The part cold heading machining method has the advantages that the utilization rate of materials is high, the materials are saved, cost is saved, the procedures are simple, the dies can conduct one-shot machining forming as long as the part is placed at an appointed position, efficiency is high, adjustability is high, the reject rate is lowered, burrs can be effectively removed, and the application effect is good.

Description

Part cold-heading processing method
Technical field
The present invention relates to a kind of method of processing parts, especially a kind of part cold-heading processing method of effective removal part burr.
Background technology
Existing a kind of application number is that CN201110341854.2 name is called that the Chinese invention patent of " titanium alloy fastening piece cold heading forming process " discloses a kind of titanium alloy fastening piece cold heading forming process, first choose the titanium material that Brinell hardness is less than the wire coils state of 100, little passage technique is adopted when drawing, namely the distortion after each annealing increases a passage, and each passage processing capacity is 50% of last passage processing capacity; What drawing was good coils material feeding high strength multistage cold former, at least made by twice cold-heading molding, and each cold-heading molding deflection is no more than 50%.The application of this invention new technology can improve work efficiency 10-15 doubly, and material use reduces by 50%, make holistic cost decline more than 70%.The titanium securing member of this explained hereafter compares from economic worth, has higher cost performance by than stainless like product, expands several times rapidly by making the application of this product.But its shortcoming is, operation is comparatively complicated, and stock utilization is still improved space, and rapidoprint scope is less, and product may be with jagged, affects product quality, so its structure needs to improve.
Prior art is compared, and the invention has the advantages that, adopts 4 procedures, and change part external form gradually, meet process requirements, stock utilization is high, saves material, cost-saving; Operation is simple, and only part need be placed on assigned address, mould energy time processing is shaping, and effect is visible immediately, and adjustable is high, and rate of reducing the number of rejects and seconds is cost-saving further; Effectively can remove burr, finished surface smoothness quality is excellent, and effect is good.
Summary of the invention
Technical problem to be solved by this invention provides one effectively to remove burr for above-mentioned prior art present situation, and operation is simple, easy to process, the part cold-heading processing method that stock utilization is high.
The present invention solves the problems of the technologies described above adopted technical scheme: this part cold-heading processing method, it is characterized in that: successively by following steps: step one, by the first stamping die, the extruding of part blank is obtained to the size of head tapering and the requirement of bar portion undergauge; Step 2, carries out to step one part the profile and the size that extrude acquisition part head by the second stamping die; Step 3, by the 3rd stamping die to the extruding of step 2 part, makes the edger of bed die obtain the shape and size of the required profile of part neck to the making the traditional method of indicating the pronunciation of a Chinese character of step 2 part; Step 4, does upper and lower two cutting by the 4th stamping die to the part head periphery after step 3 processing and obtains the shape and size of carrot-free part contouring head, namely completing whole part cold-heading process.
As improvement, described first stamping die comprises upper die and lower die, described patrix can be moved up and down relative to counterdie by driver, described patrix comprises upper shuttering, be provided with in the bottom of upper shuttering and part blank can be struck out the die cavity that head tapering requires size, punching press rod, punching press rod briquetting, described punching press rod passes the punching press rod briquetting fixed with upper shuttering bottom surface from die cavity top through hole is connected, the counterdie cavity that part blank can be molded into head tapering and bar portion undergauge requirement size is provided with in described counterdie, the push rod that punch forming part can be ejected from counterdie cavity is vertically provided with in described counterdie cavity, described push rod can slide up and down to the bottom of extending counterdie through the through hole of counterdie, after blank part puts into upper punch die cavity and counterdie cavity, patrix moves down under driver drives, blank part top makes part move down and enters counterdie cavity under the extruding of punching press rod bottom surface, form the part of head tapering and bar portion undergauge requirement size.
As improvement, described second stamping die comprises upper trimming die and bed die, described upper trimming die can be moved up and down relative to bed die by driving mechanism, described upper trimming die comprises upper punch formwork, be embedded at the pressing block bottom upper punch formwork, be provided with in described bed die and can place the bed die cavity that step one processes rear part, the through rod that punch forming part can be ejected from bed die cavity is vertically provided with in described bed die cavity, described through rod can slide up and down to the bottom of extending bed die through the through hole of bed die, after step one forming part puts into bed die cavity, upper trimming die moves down and extrusion sections top under driving mechanism drives, part is moved down and enters bed die cavity, form the neck conical part of neck taper.
As improvement, described 3rd stamping die comprises stamping die and lower bed die, described upper stamping die can be moved up and down relative to lower bed die by drive unit, described upper stamping die comprises stamping die shell, be embedded at the stamping parts bottom pressure punch die shell, the lower bed die cavity placing the rear part of step 2 processing is provided with in described lower bed die, the backstay that punch forming part can be ejected from lower bed die cavity is vertically provided with in described lower bed die cavity, described backstay can slide up and down to the bottom of extending lower bed die through the through hole of lower bed die, bed die is provided with the neck edger of the shaping conical neck part of step 2 under the outside of lower bed die cavity, after step 2 forming part puts into lower bed die cavity, upper stamping die moves down and extrusion sections top under drive unit drives, part is moved down and enters lower bed die cavity, conical neck is by the colored tooth part cutting into setting flower tooth of neck edger.
Further improvement, described lower bed die includes die sleeve shell, internal mold, described internal mold is placed in die sleeve shell, the middle top surface of described internal mold is convexly equipped with protuberance, described neck edger is placed on the periphery of protuberance closely, and described lower bed die cavity is positioned at protuberance, and the gear cutter of the setting flower tooth of described neck edger is positioned at lower bed die cavity top, described neck edger and die sleeve shell fix, and described backstay extends the bottom of lower bed die from the through hole of internal mold.
Improve, described neck edger neighboring is provided with the reinforcing ring that can improve neck edger location stability and strengthen neck edger intensity, and circumferential lateral surface and the die sleeve shell of described reinforcing ring fix again.
As improvement, described 4th stamping die comprises top stamping die and bottom bed die, described top stamping die can be moved up and down relative to bottom bed die by actuator, described top stamping die comprises punch die, the upper edger of part head, the tightening cover of upper edger, described upper edger is embedded in the vestibule of tightening cover, described tightening cover dismountable type is fixed on the bottom of punch die, the passage that formed product takes out in punch die is set in described punch die, the lower bed die cavity placing the rear part of step 3 processing is provided with in the bed die of described bottom, the logical rod that punch forming part can be ejected from the bed die cavity of bottom is vertically provided with in the bed die cavity of described bottom, described logical rod can slide up and down to the bottom of extending bottom bed die through the through hole of bottom bed die, the lower edger of the shaping part head of step 3 is provided with at the bottom bed die of bed die cavity outside, bottom, described upper edger and lower edger are that consistency from top to bottom is arranged, after step 3 forming part puts into bottom bed die cavity, upper edger moves down under actuator drives and extrusion sections move down, the periphery of upper edger cutting parts head from the top down, the periphery of the lower edger being meanwhile fixed on bottom bed die cutting parts head from bottom to top, formation can not produce burr up and down to the trimming of cutting part head periphery, part head periphery is cut into setting shape by upper and lower edger, product after shaping is led to rod and is ejected top stamping die from the middle part inner chamber of upper edger through die passage.
Further improvement, described upper edger neighboring is provided with the upper reinforcing ring that can improve upper edger location stability and strengthen upper edger intensity, circumferential lateral surface and the tightening cover inwall of described upper reinforcing ring fix, described tightening cover is platform level shape, described tightening cover by the internal thread of level of appearing on the stage together with the projection external thread bolt connection of die lower part undergauge, together with the end face of described upper edger, upper reinforcing ring contacts with projection bottom surface.
Improve again, described bottom bed die includes counterdie sheath body, interior die body, described interior die body is placed in counterdie sheath body, the middle top surface of described interior die body is convexly equipped with lug boss, described lower edger is placed on the periphery of lug boss closely, described bottom bed die cavity is positioned at lug boss, and described lower edger and counterdie sheath body fix, and described logical rod extends the bottom of bottom bed die from the through hole of interior die body.
Improve further, described lower edger neighboring is provided with the lower reinforcing ring that can improve lower edger location stability and strengthen lower edger intensity, and circumferential lateral surface and the counterdie sheath body of described lower reinforcing ring fix again.
Accompanying drawing explanation
Fig. 1 is the profile of the embodiment of the present invention first stamping die;
Fig. 2 is the STRUCTURE DECOMPOSITION figure of Fig. 1;
Fig. 3 is the enlarged drawing of I part in Fig. 2;
Fig. 4 is the profile of the embodiment of the present invention second stamping die;
Fig. 5 is the STRUCTURE DECOMPOSITION figure of Fig. 4;
Fig. 6 is the enlarged drawing of II part in Fig. 5;
Fig. 7 is the profile of the embodiment of the present invention the 3rd stamping die;
Fig. 8 is the STRUCTURE DECOMPOSITION figure of Fig. 7;
Fig. 9 is the enlarged drawing of III part in Fig. 8;
Figure 10 is the profile of the embodiment of the present invention the 4th stamping die;
Figure 11 is the STRUCTURE DECOMPOSITION figure of Figure 10;
Figure 12 is the enlarged drawing of IV part in Figure 11;
Figure 13 is the enlarged drawing of V part in Figure 11.
Detailed description of the invention
Below in conjunction with accompanying drawing embodiment, the present invention is described in further detail.
As shown in figure 1 to figure 13, the part cold-heading processing method of the present embodiment, successively by following steps: step one, obtains the size of head tapering and the requirement of bar portion undergauge by the extruding of the first stamping die 1 pair of part blank; Step 2, carries out by the second stamping die 3 pairs of step one parts 2 profile and the size that extrude acquisition part head; Step 3, by the extruding of the 3rd stamping die 4 pairs of step 2 parts 2, makes the edger of bed die obtain the shape and size of 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; Step 4, does upper and lower two cutting by the 4th stamping die to the part 2 head periphery after step 3 processing and obtains the shape and size of carrot-free part contouring head, namely completing whole part cold-heading process.
First stamping die 1 comprises upper die and lower die 17, described patrix can be moved up and down relative to counterdie 17 by driver, described patrix comprises upper shuttering 11, be provided with in the bottom of upper shuttering 11 and part blank can be struck out the die cavity 12 that head tapering requires size, punching press rod 13, punching press rod briquetting 14, described punching press rod 13 passes the punching press rod briquetting 14 fixed with upper shuttering 11 bottom surface from die cavity 12 top through hole is connected, the counterdie cavity 15 that part blank can be molded into head tapering and bar portion undergauge requirement size is provided with in described counterdie 17, the push rod 16 that punch forming part 2 can be ejected from counterdie cavity 15 is vertically provided with in described counterdie cavity 15, described push rod 16 can slide up and down to the bottom of extending counterdie 17 through the through hole of counterdie 17, after blank part puts into upper punch die cavity 12 and counterdie cavity 15, patrix moves down under driver drives, blank part top makes part move down and enters counterdie cavity 15 under the extruding of punching press rod 13 bottom surfaces, form the part 2 of head tapering and bar portion undergauge requirement size.
Second stamping die 3 comprises upper trimming die and bed die 33, described upper trimming die can be moved up and down relative to bed die 33 by driving mechanism, described upper trimming die comprises upper punch formwork 31, be embedded at the pressing block 32 bottom upper punch formwork 31, be provided with in described bed die 33 and can place the bed die cavity 34 that step one processes rear part 2, the through rod 35 that punch forming part can be ejected from bed die cavity 34 is vertically provided with in described bed die cavity 34, described through rod 35 can slide up and down to the bottom of extending bed die 33 through the through hole of bed die 33, after step one forming part 2 puts into bed die cavity 34, upper trimming die moves down and extrusion sections top under driving mechanism drives, part 2 is made to move down and enter bed die cavity 34, form the neck conical part 2 of neck taper.
3rd stamping die 4 comprises stamping die and lower bed die, described upper stamping die can be moved up and down relative to lower bed die by drive unit, described upper stamping die comprises stamping die shell 41, be embedded at the stamping parts 42 bottom pressure punch die shell, the lower bed die cavity 44 placing the rear part 2 of step 2 processing is provided with in described lower bed die, the backstay 45 that punch forming part 2 can be ejected from lower bed die cavity 44 is vertically provided with in described lower bed die cavity 44, described backstay 45 can slide up and down to the bottom of extending lower bed die through the through hole of lower bed die, bed die is provided with the neck edger 46 of the shaping conical neck part 2 of step 2 under the outside of lower bed die cavity 44, after step 2 forming part 2 puts into lower bed die cavity 44, upper stamping die moves down and extrusion sections 2 top under drive unit drives, part 2 is made to move down and enter lower bed die cavity 44, conical neck is by the colored tooth part 2 cutting into setting flower tooth of neck edger 46.Described lower bed die includes die sleeve shell 47, internal mold 43, described internal mold 43 is placed in die sleeve shell 47, the middle top surface of described internal mold 43 is convexly equipped with protuberance 48, described neck edger 46 is placed on the periphery of protuberance 48 closely, described lower bed die cavity 44 is positioned at protuberance 48, the gear cutter of the setting flower tooth of described neck edger 46 is positioned at lower bed die cavity 44 top, and described neck edger 46 fixes with die sleeve shell 47, and described backstay 45 extends the bottom of lower bed die from the through hole of internal mold 43.Described neck edger 46 neighboring is provided with the reinforcing ring 49 that can improve neck edger 46 and locate stability and strengthen neck edger 46 intensity, and circumferential lateral surface and the die sleeve shell 47 of described reinforcing ring 49 fix.
4th stamping die comprises top stamping die 5 and bottom bed die, described top stamping die 5 can be moved up and down relative to bottom bed die by actuator, described top stamping die 5 comprises punch die 51, the upper edger 52 of part head, the tightening cover 53 of upper edger 52, described upper edger 52 is embedded in the vestibule of tightening cover 53, described tightening cover 53 dismountable type is fixed on the bottom of punch die 51, the passage 54 that formed product takes out in punch die 51 is set in described punch die 51, the lower bed die cavity 44 placing the rear part 2 of step 3 processing is provided with in the bed die of described bottom, punch forming part 2 can be ejected from bottom bed die cavity 61 logical excellent 62 are vertically provided with in described bottom bed die cavity 61, described logical excellent 62 can slide up and down to the bottom of extending bottom bed die through the through hole of bottom bed die, the lower edger 63 of step 3 shaping part 2 head is provided with at the bottom bed die of bed die cavity 61 outside, bottom, described upper edger 52 with lower edger 63 for consistency from top to bottom is arranged, after step 3 forming part 2 puts into bottom bed die cavity 61, upper edger 52 moves down under actuator drives and extrusion sections move down, the periphery of upper edger 52 cutting parts head from the top down, the periphery of the lower edger 63 being meanwhile fixed on bottom bed die cutting parts head from bottom to top, formation can not produce burr up and down to the trimming of cutting part head periphery, part head periphery is cut into setting shape by upper and lower edger, product after shaping is led to rod 62 and is ejected top stamping die 5 from the middle part inner chamber of upper edger 52 through die passage 54.Upper edger 52 neighboring is provided with the upper reinforcing ring 55 that can improve upper edger 52 and locate stability and strengthen upper edger 52 intensity, circumferential lateral surface and tightening cover 53 inwall of described upper reinforcing ring 55 fix, described tightening cover 53 is in platform level shape, described tightening cover 53 by the internal thread of level of appearing on the stage together with projection 56 external thread bolt connection of punch die 51 bottom undergauge, together with the end face of described upper edger 52, upper reinforcing ring 55 contacts with projection 56 bottom surface.Described bottom bed die includes counterdie sheath body 64, interior die body 6, described interior die body 6 is placed in counterdie sheath body 64, the middle top surface of described interior die body 6 is convexly equipped with lug boss 65, described lower edger 63 is placed on the periphery of lug boss 65 closely, described bottom bed die cavity 61 is positioned at lug boss 65, described lower edger 63 and counterdie sheath body 64 fix, described logical excellent 62 bottoms of extending bottom bed die from the through hole of interior die body 6.Described lower edger 63 neighboring is provided with the lower reinforcing ring 66 that can improve lower edger 63 and locate stability and strengthen lower edger 63 intensity, and circumferential lateral surface and the counterdie sheath body 64 of described lower reinforcing ring 66 fix.
Operation principle: first, obtains the size of head tapering and the requirement of bar portion undergauge to the extruding of part blank by the first stamping die; Then, by the second stamping die, the profile and the size that extrude acquisition part head are carried out to step one part; Then, by the 3rd stamping die to the extruding of step 2 part, the edger of bed die is made to make the traditional method of indicating the pronunciation of a Chinese character to step 2 part and obtain the shape and size of the required profile of part neck; Finally, by the 4th stamping die, upper and lower two cutting done to the part head periphery after step 3 processing and obtain the shape and size of carrot-free part contouring head, namely completing whole part cold-heading process.

Claims (10)

1. a part cold-heading processing method, is characterized in that: successively by following steps: step one, by the first stamping die (1), the extruding of part blank is obtained to the size of head tapering and the requirement of bar portion undergauge; Step 2, carries out to step one part (2) profile and the size that extrude acquisition part head by the second stamping die (3); Step 3, by the 3rd stamping die (4) to the extruding of 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 obtain the shape and size of the required profile of part neck; Step 4, does upper and lower two cutting by the 4th stamping die to part (2) the head periphery after step 3 processing and obtains the shape and size of carrot-free part contouring head, namely completing whole part cold-heading process.
2. part cold-heading processing method according to claim 1, it is characterized in that: described first stamping die (1) comprises upper die and lower die (17), described patrix can be moved up and down relative to counterdie (17) by driver, described patrix comprises upper shuttering (11), be provided with in the bottom of upper shuttering (11) and part blank can be struck out the die cavity (12) that head tapering requires size, punching press rod (13), punching press rod briquetting (14), described punching press rod (13) passes punching press rod briquetting (14) fixed with upper shuttering (11) bottom surface from die cavity (12) top through hole is connected, the counterdie cavity (15) that part blank can be molded into head tapering and bar portion undergauge requirement size is provided with in described counterdie (17), the push rod (16) that punch forming part (2) can be ejected from counterdie cavity (15) is vertically provided with in described counterdie cavity (15), described push rod (16) can slide up and down to the bottom of extending counterdie (17) through the through hole of counterdie (17), after blank part puts into upper punch die cavity (12) and counterdie cavity (15), patrix moves down under driver drives, blank part top makes part move down and enters counterdie cavity (15) under the extruding of punching press rod (13) bottom surface, form the part (2) of head tapering and bar portion undergauge requirement size.
3. part cold-heading processing method according to claim 1, it is characterized in that: described second stamping die (3) comprises upper trimming die and bed die (33), described upper trimming die can be moved up and down relative to bed die (33) by driving mechanism, described upper trimming die comprises upper punch formwork (31), be embedded at the pressing block (32) of upper punch formwork (31) bottom, be provided with in described bed die (33) and the bed die cavity (34) that step one processes rear part (2) can be placed, the through rod (35) that punch forming part can be ejected from bed die cavity (34) is vertically provided with in described bed die cavity (34), described through rod (35) can slide up and down to the bottom of extending bed die (33) through the through hole of bed die (33), after step one forming part (2) puts into bed die cavity (34), upper trimming die moves down and extrusion sections top under driving mechanism drives, part (2) is made to move down and enter bed die cavity (34), form the neck conical part (2) of neck taper.
4. part cold-heading processing method according to claim 1, it is characterized in that: described 3rd stamping die (4) comprises stamping die and lower bed die, described upper stamping die can be moved up and down relative to lower bed die by drive unit, described upper stamping die comprises stamping die shell (41), be embedded at the stamping parts (42) bottom pressure punch die shell, the lower bed die cavity (44) placing the rear part (2) of step 2 processing is provided with in described lower bed die, the backstay (45) that punch forming part (2) can be ejected from lower bed die cavity (44) is vertically provided with in described lower bed die cavity (44), described backstay (45) can slide up and down to the bottom of extending lower bed die through the through hole of lower bed die, bed die is provided with the neck edger (46) of the shaping conical neck part (2) of step 2 under the outside of lower bed die cavity (44), after step 2 forming part (2) puts into lower bed die cavity (44), upper stamping die moves down and extrusion sections (2) top under drive unit drives, part (2) is made to move down and enter lower bed die cavity (44), conical neck is by the colored tooth part (2) cutting into setting flower tooth of neck edger (46).
5. part cold-heading processing method according to claim 4, it is characterized in that: described lower bed die includes die sleeve shell (47), internal mold (43), described internal mold (43) is placed in die sleeve shell (47), the middle top surface of described internal mold (43) is convexly equipped with protuberance (48), described neck edger (46) is placed on the periphery of protuberance (48) closely, described lower bed die cavity (44) is positioned at protuberance (48), the gear cutter of the setting flower tooth of described neck edger (46) is positioned at lower bed die cavity (44) top, described neck edger (46) and die sleeve shell (47) fix, described backstay (45) extends the bottom of lower bed die from the through hole of internal mold (43).
6. part cold-heading processing method according to claim 5, it is characterized in that: described neck edger (46) neighboring is provided with the reinforcing ring (49) that can improve neck edger (46) location stability and strengthen neck edger (46) intensity, and circumferential lateral surface and the die sleeve shell (47) of described reinforcing ring (49) fix.
7. part cold-heading processing method according to claim 1, it is characterized in that: described 4th stamping die comprises top stamping die (5) and bottom bed die, described top stamping die (5) can be moved up and down relative to bottom bed die by actuator, described top stamping die (5) comprises punch die (51), the upper edger (52) of part head, the tightening cover (53) of upper edger (52), described upper edger (52) is embedded in the vestibule of tightening cover (53), described tightening cover (53) dismountable type is fixed on the bottom of punch die (51), the passage (54) that formed product takes out in punch die (51) is set in described punch die (51), the lower bed die cavity (44) placing the rear part (2) of step 3 processing is provided with in the bed die of described bottom, the logical rod (62) that punch forming part (2) can be ejected from bottom bed die cavity (61) is vertically provided with in described bottom bed die cavity (61), described logical rod (62) can slide up and down to the bottom of extending bottom bed die through the through hole of bottom bed die, the bottom bed die outside in bottom bed die cavity (61) is provided with the lower edger (63) of the shaping part of step 3 (2) head, described upper edger (52) and lower edger (63) are arranged for consistency from top to bottom, after step 3 forming part (2) puts into bottom bed die cavity (61), upper edger (52) moves down under actuator drives and extrusion sections move down, the periphery of upper edger (52) cutting parts head from the top down, the periphery of the lower edger (63) being meanwhile fixed on bottom bed die cutting parts head from bottom to top, formation can not produce burr up and down to the trimming of cutting part head periphery, part head periphery is cut into setting shape by upper and lower edger, product after shaping is led to the middle part inner chamber of rod (62) from upper edger (52) and is ejected top stamping die (5) through die passage (54).
8. part cold-heading processing method according to claim 7, it is characterized in that: described upper edger (52) neighboring is provided with the upper reinforcing ring (55) that can improve upper edger (52) location stability and strengthen upper edger (52) intensity, circumferential lateral surface and tightening cover (53) inwall of described upper reinforcing ring (55) fix, described tightening cover (53) is in platform level shape, described tightening cover (53) by the internal thread of level of appearing on the stage together with projection (56) external thread bolt connection of punch die (51) bottom undergauge, described upper edger (52), together with the end face of upper reinforcing ring (55) contacts with projection (56) bottom surface.
9. part cold-heading processing method according to claim 8, it is characterized in that: described bottom bed die includes counterdie sheath body (64), interior die body (6), described interior die body (6) is placed in counterdie sheath body (64), the middle top surface of described interior die body (6) is convexly equipped with lug boss (65), described lower edger (63) is placed on the periphery of lug boss (65) closely, described bottom bed die cavity (61) is positioned at lug boss (65), described lower edger (63) and counterdie sheath body (64) fix, described logical rod (62) extends the bottom of bottom bed die from the through hole of interior die body (6).
10. part cold-heading processing method according to claim 9, it is characterized in that: described lower edger (63) neighboring is provided with the lower reinforcing ring (66) that can improve lower edger (63) location stability and strengthen lower edger (63) intensity, and circumferential lateral surface and the counterdie sheath body (64) of described lower reinforcing ring (66) fix.
CN201410833514.5A 2014-12-24 2014-12-24 Part cold-heading processing method Active CN104525811B (en)

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* Cited by examiner, † Cited by third party
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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
CN105598330A (en) * 2016-02-01 2016-05-25 浙江机电职业技术学院 Plastic molding method of eccentric hexagonal shaft pin
CN105618665A (en) * 2016-01-25 2016-06-01 浙江机电职业技术学院 Plastic forming method of draw-hole bolt
CN105642817A (en) * 2016-03-18 2016-06-08 浙江机电职业技术学院 Plastic molding method of spherical hexagon bolt
CN105750475A (en) * 2016-03-04 2016-07-13 浙江机电职业技术学院 Plastic forming method of semi-hollow shaft pin
CN110323100A (en) * 2019-07-04 2019-10-11 深圳东洋旺和实业有限公司 High-precision iron core process equipment and corresponding iron core machining method

Citations (6)

* Cited by examiner, † Cited by third party
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
CN102784868A (en) * 2012-08-15 2012-11-21 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
CN103624203A (en) * 2013-11-11 2014-03-12 梧州恒声电子科技有限公司 Machining method and machining die for T iron with high wire diameter ratio
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

Patent Citations (6)

* Cited by examiner, † Cited by third party
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
CN102784868A (en) * 2012-08-15 2012-11-21 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
CN103624203A (en) * 2013-11-11 2014-03-12 梧州恒声电子科技有限公司 Machining method and machining die for T iron with high wire diameter ratio
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

Cited By (10)

* Cited by examiner, † Cited by third party
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
CN105618665A (en) * 2016-01-25 2016-06-01 浙江机电职业技术学院 Plastic forming method of draw-hole bolt
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
CN105598330A (en) * 2016-02-01 2016-05-25 浙江机电职业技术学院 Plastic molding method of eccentric hexagonal shaft pin
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
CN105750475A (en) * 2016-03-04 2016-07-13 浙江机电职业技术学院 Plastic forming method of semi-hollow shaft pin
CN105642817A (en) * 2016-03-18 2016-06-08 浙江机电职业技术学院 Plastic molding method of spherical hexagon bolt
CN110323100A (en) * 2019-07-04 2019-10-11 深圳东洋旺和实业有限公司 High-precision iron core process equipment and corresponding iron core machining method
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

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