CN201815555U - Machining equipment for flat-head hexagon bolt of cold-extrusion forming vehicle - Google Patents

Machining equipment for flat-head hexagon bolt of cold-extrusion forming vehicle Download PDF

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Publication number
CN201815555U
CN201815555U CN2010205113126U CN201020511312U CN201815555U CN 201815555 U CN201815555 U CN 201815555U CN 2010205113126 U CN2010205113126 U CN 2010205113126U CN 201020511312 U CN201020511312 U CN 201020511312U CN 201815555 U CN201815555 U CN 201815555U
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CN
China
Prior art keywords
hole
drift
hexagonal
cushion block
alloy module
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Expired - Fee Related
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CN2010205113126U
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Chinese (zh)
Inventor
项知火
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JIANGSU HAOHAN STANDARD PARTS CO., LTD.
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RUIAN RUIQIANG STANDARD COMPONENT CO Ltd
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Priority to CN2010205113126U priority Critical patent/CN201815555U/en
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Publication of CN201815555U publication Critical patent/CN201815555U/en
Anticipated expiration legal-status Critical
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Abstract

The utility model relates to machining equipment for a flat-head hexagon bolt, in particular to machining equipment for flat-head hexagon bolts of a cold-extrusion forming vehicle. In order to realize the aim, the technical scheme is as follows: the machining equipment comprises a rack, a feeding mechanism arranged on the rack, as well as a cutting mechanism and a cold-extrusion unit that are connected with the feeding mechanism. By adopting the technical scheme, the machining equipment for the flat-head hexagon bolt of the cold-extrusion forming vehicle can save material and does not generate burrs during the machining process.

Description

The process equipment of the automobile-used tack hex bolts of cold extrusion forming
Technical field
The utility model relates to a kind of process equipment of tack hex bolts, the process equipment of the automobile-used tack hex bolts of particularly a kind of cold extrusion forming.
Background technology
Along with the develop rapidly of Domestic Automotive Industry, mechanical industry, automobile and engineering machinery use the demand of high-strength bolt also along with increase.
At present, production hexagonal flat head bolt on market and the data in process of production, adopt hexagonal shaving die moulding hexagonal, in this processing mode and the process equipment because of the side cut waste material on average about 15%, even, the bolt waste material of short specification simultaneously, has also increased the expense of hexagonal edger more than 20%.The striped that the hexagonal opposite side that is produced owing to cut edge stays influences outward appearance; Cut off metal fibrous tissue; The hexagonal bearing-surface produces the burr assembling and does not tightly wait the mechanical performance that directly influences bolt.The process equipment that tradition is used for the tack hex bolts is waste material not only, but also has serious quality problems.
Summary of the invention
At the deficiency that prior art exists, the utility model provides a kind of process equipment of saving material, the automobile-used tack hex bolts of the carrot-free cold extrusion forming of processing.
For achieving the above object, the utility model provides following technical scheme: the process equipment of the automobile-used tack hex bolts of a kind of cold extrusion forming, it is characterized in that: include frame, be located at the feed mechanism on the frame, the material cutting mechanism that is connected with feed mechanism and cold extrusion unit.
Wherein, feed mechanism includes two rollers that are set up in parallel, be provided with feeding channel between two rollers, one side of feeding channel is provided with guide pad, described material cutting mechanism includes the cutting knife of being located at the guide pad place, and described cold extrusion unit includes undergauge mechanism of bar portion, preliminary shaping mechanism, malleation hexagonal mechanism, backward extrusion mechanism and finished product shaping mechanism.
Adopt technique scheme, comprise feed mechanism, material cutting mechanism and cold extrusion unit in the process equipment, continuity and the continuity of having strengthened processing are set like this, improved working (machining) efficiency, and include undergauge mechanism of portion, preliminary shaping mechanism, malleation hexagonal mechanism, backward extrusion mechanism and finished product shaping mechanism in the cold extrusion unit, promptly cold extrusion shaped by five operations, and process material-saving, attractive in appearance, precision and the high automobile-used tack hex bolts of intensity by its five cold extrusions.
The utility model further is set to: undergauge mechanism of bar portion includes bar portion undergauge drift and bar portion undergauge mould; Bar portion undergauge mould includes stacked last alloy module mutually, following alloy module, cushion block and be sheathed on the alloy module, following alloy module, the outer also formation of cushion block goes up the alloy module, following alloy module, interior die sleeve and outer die casing that cushion block is fixing, last alloy module, following alloy module and cushion block are provided with coaxial through hole, the through hole of last alloy module is last through hole, the through hole of following alloy module is a lower through-hole, the through hole of cushion block is a guide hole, one end of last through hole and outside conducting, the other end and lower through-hole conducting, and the diameter of last through hole is greater than the diameter of lower through-hole, the diameter of guide hole is consistent with the diameter of lower through-hole, the joining place of last through hole and lower through-hole is provided with the taper convergence hole, and described guide hole place is inserted with the thimble that cooperates along the guide hole axial slip; Described bar portion undergauge drift includes bar portion undergauge head body and is located at horn mouth on the bar portion undergauge drift body, and this horn mouth is towards the last through hole setting of bar portion undergauge mould, and bell-mouthed bottom face diameter is consistent with the diameter of last through hole.
Adopt technique scheme, go up alloy module and the setting of alloy module can bracing piece portion undergauge mould down intensity in the bar portion undergauge mould, prevent process king-rod portion undergauge mold breakdown and damage, last through hole on the last alloy module and down the effect of the lower through-hole on the alloy module then be in order blank to be cold-pressed into the multidiameter shape when bar portion undergauge cooperates, in process, after blank enters into bar portion undergauge mould, bar portion undergauge drift carries out punching press to it, the material of blank bottom (promptly process the back and become stair-stepping small end) is extruded into top (can process the back and become stair-stepping big end) and is in the interior moulding of last through hole of alloy module, realization has been expanded the range of work to the processing of the blank of different size diameter; Bar portion undergauge drift is provided with horn mouth, and bell-mouthed bottom face diameter is consistent with the diameter of last through hole, and being provided with like this is can discharge for the material on blank top in process, thereby forms stair-stepping big end.And owing to adopt the aniseed small deformation, the head materials are less, and the leading edge deformation degree reduces, head work hardening phenomenon makes moderate progress, and bar portion is because undergauge has increased deformation extent, the intensity of head and bar portion is approaching, has improved the head rod bond strength, has avoided the phenomenon that turns around.
The utility model further is set to: preliminary shaping mechanism includes preliminary mould and first one-step forming drift, described preliminary mould includes the alloy module a and the cushion block b of stacked setting, alloy module a and cushion block b are with outward and constitute alloy module a and fixing interior die sleeve c and the outer die casing d of cushion block b, alloy module a and cushion block b are provided with coaxial, the through hole of diameter unanimity and mutual conduction, through hole on the alloy module a is last through hole, hole on the cushion block b is a lower through-hole, the cross section that the other end place that last through hole relatively is connected with lower through-hole offers with last through hole conducting is hexagonal die cavity, is inserted with in the described lower through-hole along the thimble of lower through-hole axial slip; Described one-step forming drift just includes one-step forming drift body just, just one-step forming drift body is provided with the conical horn mouth towards the end face of the die cavity of preliminary mould, just be provided with sprue in the one-step forming drift body and be the jacking block of conflicting and cooperating with sprue, jacking block is in just and is the fine motion slippage towards its upper conical horn mouth in the one-step forming drift body.
Wherein, just be provided with the containing cavity that cross section is " protruding " font in the one-step forming drift body, be connected by the shoulder rank between the top of containing cavity and the bottom, described sprue is located at the bottom of containing cavity, jacking block includes and takes on base that rank are spacing cooperation and be connected with base and extend to top bottom the conical horn mouth, leave the space between the shoulder rank of containing cavity and the base of jacking block, be provided with spring between sprue and the jacking block.
Adopt technique scheme, the setting of preliminary shaping mechanism is in order to be carried out one-step forming just by the big end of the multidiameter shape blank after the processing of undergauge mechanism of bar portion, its cold-extruded is pressed into hexagon, and in this cold-stamped process, overlap can appear in the big end that blank is processed to hexagonal spiral shell head, for the generation that overcomes overlap reaches for the saving to material, the bottom that blank is processed to the big end of hexagonal spiral shell head by the conical horn mouth on the first one-step forming drift boss of upsetting out just can be avoided the generation of overlap after so just being provided with.
The utility model further is set to: malleation hexagonal mechanism includes malleation hexagonal mould and reaches and the adaptive malleation hexagonal drift of malleation hexagonal mould; Described malleation hexagonal mould includes the alloy module e and the cushion block f of stacked setting, alloy module e and cushion block f are with outward and constitute alloy module e and fixing interior die sleeve g and the outer die casing h of cushion block f, that alloy module e and cushion block f are provided with is coaxial, diameter is consistent and the through hole of mutual conduction, through hole on the alloy module e is last through hole, through hole on the cushion block f is a lower through-hole, the cross section that the other end place that last through hole relatively is connected with lower through-hole offers with last through hole conducting is hexagonal die cavity, is inserted with in the lower through-hole along the thimble of lower through-hole axial slip; Described malleation hexagonal drift includes malleation hexagonal drift body, is located at the intrinsic sprue of malleation hexagonal drift and is the jacking block of conflicting and cooperating with sprue, jacking block extends to malleation hexagonal drift, and this is external, and it is the drift that cross section is positive hexagonal that jacking block extends to this external part of malleation hexagonal drift, and the die cavity of the last through hole on this positive hexagonal drift and the alloy module e is adaptive.
Adopt technique scheme, the setting of malleation hexagonal mechanism then is to eliminate for the boss of the big bottom portion that blank in the preliminary shaping mechanism is processed to hexagonal spiral shell head, by jacking block in the malleation hexagonal drift body extend to this external positive hexagonal of malleation hexagonal drift drift and with malleation hexagonal mould on the boss that blank is processed to the big bottom portion of hexagonal spiral shell head that cooperates of hexagonal die cavity be squeezed on the hexagonal spiral shell head so that the processing of next procedure.
The utility model further is set to: backward extrusion mechanism includes indirect-extrusion mould and reaches and the adaptive backward extrusion drift of indirect-extrusion mould; Described indirect-extrusion mould includes the alloy module i and the cushion block j of stacked setting, alloy module i and cushion block j are with outward and constitute alloy module i and fixing interior die sleeve k and the outer die casing l of cushion block j, that alloy module i and cushion block j are provided with is coaxial, diameter is consistent and the through hole of mutual conduction, through hole on the alloy module i is last through hole, hole on the cushion block j is a lower through-hole, is inserted with in the lower through-hole along the thimble of lower through-hole axial slip; Described backward extrusion drift includes backward extrusion drift body, backward extrusion drift body offers cross section and is hexagonal cavity on the end face of the last through hole of indirect-extrusion mould, be provided with sprue in the backward extrusion drift body, be provided with jacking block between hexagonal cavity and the sprue.
Adopt technique scheme, the setting of backward extrusion mechanism is then carried out chamfering and is removed unnecessary burr for the hexagonal spiral shell head that is that will reach the blank of processing through malleation hexagonal mechanism, simultaneously by backward extrusion drift and indirect-extrusion mould cooperate with being of blank hexagonal spiral shell head the top go out cone boss, be generation equally for fear of overlap.
The utility model further is set to: the finished product shaping mechanism includes the finished product mould and reaches and the adaptive finished product moulding drift of finished product mould; Described finished product mould includes the alloy module m and the cushion block n of stacked setting, alloy module m and cushion block n are with outward and constitute alloy module n and fixing interior die sleeve o and the outer die casing p of cushion block n, alloy module m and cushion block n are provided with coaxial, the through hole of diameter unanimity and mutual conduction, through hole on the alloy module m is last through hole, hole on the cushion block n is a lower through-hole, the cross section that the other end place that last through hole relatively is connected with lower through-hole offers with last through hole conducting is hexagonal moulding die cavity, be inserted with in the lower through-hole along the thimble of lower through-hole axial slip, offer between moulding die cavity and the last through hole greater than last through hole and less than the rectangle cavity of moulding die cavity diameter; Described finished product moulding drift includes finished product moulding drift body and is located at the interior sprue of finished product moulding drift and is the jacking block of conflicting and cooperating with sprue, jacking block extends to finished product moulding drift, and this is external, and it is the moulding drift that cross section is positive hexagonal that jacking block extends to this external part of finished product moulding drift, and this moulding die cavity that is the moulding drift of positive hexagonal and the last through hole on the alloy module m is adaptive.
Adopt technique scheme, the finished product shaping mechanism advances punching press to the cone boss that blank is the top of hexagonal spiral shell head on the basis of backward extrusion mechanism, the material of cone boss is pushed on the hexagonal spiral shell head, by the cooperating of finished product mould and finished product moulding drift, make the table top that forms between blank hexagonal spiral shell head and the screw rod for the coil placement then.
Below in conjunction with accompanying drawing the utility model is further described.
Description of drawings
Fig. 1 is the structural representation of the utility model embodiment;
Fig. 2 is that the K of Fig. 1 is to partial schematic diagram;
Fig. 3 is the A-A partial cutaway schematic of Fig. 1;
Fig. 4 is the B-B partial cutaway schematic of Fig. 1;
Fig. 5 is the C-C partial cutaway schematic of Fig. 1;
Fig. 6 is the D-D partial cutaway schematic of Fig. 1;
Fig. 7 is the E-E partial cutaway schematic of Fig. 1;
Fig. 8 is the structural representation of undergauge mechanism of the utility model embodiment king-rod portion;
Fig. 9 is the structural representation of preliminary shaping mechanism among the utility model embodiment;
Figure 10 is the structural representation of malleation hexagonal mechanism among the utility model embodiment;
Figure 11 is the structural representation of backward extrusion mechanism among the utility model embodiment;
Figure 12 is the structural representation of finished product shaping mechanism among the utility model embodiment.
The specific embodiment
Process equipment as the automobile-used tack hex bolts of a kind of cold extrusion forming of Fig. 1-shown in Figure 7 includes frame 1, is located at the feed mechanism 2 on the frame 1, the material cutting mechanism 3 that is connected with feed mechanism 2 and cold extrusion unit 4.Feed mechanism 2 includes between two rollers that are set up in parallel, 21, two rollers 21 and is provided with feeding channel 22, and a side of feeding channel 22 is provided with guide pad 23; Material cutting mechanism 3 includes the cutting knife 31 of being located at guide pad 23 places; Cold extrusion unit 4 includes undergauge mechanism of bar portion 41, preliminary shaping mechanism 42, malleation hexagonal mechanism 43, backward extrusion mechanism 44 and finished product shaping mechanism 45.Above-mentioned continuity and the continuity of having strengthened processing that be provided with, improved working (machining) efficiency, and include undergauge mechanism of portion 41, preliminary shaping mechanism 42, malleation hexagonal mechanism 43, backward extrusion mechanism 44 and finished product shaping mechanism 45 in the cold extrusion unit 4, promptly cold extrusion shaped by five operations, and process material-saving, attractive in appearance, precision and the high automobile-used tack hex bolts of intensity by its five cold extrusions.
As shown in Figure 8, in the utility model embodiment, undergauge mechanism of bar portion 41 includes bar portion undergauge mould 411 and bar portion undergauge drift 412; Bar portion undergauge mould 411 includes stacked last alloy module 413 mutually, following alloy module 414, cushion block 415 and be sheathed on alloy module 413, following alloy module 414, cushion block 415 outer also formations go up alloy module 413, following alloy module 414, interior die sleeve 416 and outer die casing 417 that cushion block 415 is fixed, last alloy module 413, following alloy module 414 and cushion block 415 are provided with coaxial through hole, the through hole of last alloy module 413 is last through hole 4131, the through hole of following alloy module 414 is a lower through-hole 4141, the through hole of cushion block 415 is a guide hole 4151, one end of last through hole 4131 and outside conducting, the other end and lower through-hole 4141 conductings, and the diameter of last through hole 4131 is greater than the diameter of lower through-hole 4141, the diameter of guide hole 4151 is consistent with the diameter of lower through-hole 4141, and last through hole 4131 is provided with taper convergence hole 418 with the joining place of lower through-hole 4131; Guide hole 4151 places are inserted with the thimble 419 that cooperates along guide hole 4151 axial slips; Bar portion undergauge drift 412 includes bar portion undergauge drift body 4121 and is located at horn mouth 4122 on the bar portion undergauge drift body 4121, this horn mouth 4122 is provided with towards the last through hole 4131 of bar portion undergauge mould 411, and the bottom face diameter of horn mouth 4122 is consistent with the diameter of last through hole 4131.Go up alloy module 413 and the setting of alloy module 414 can bracing piece portion undergauge mould 411 down intensity in the bar portion undergauge mould 411, prevent that process king-rod portion undergauge mould 411 from breaking and damage, and it is wear-resistant to have improved mould, improve tens times service life, dimensional accuracy of products also improves, when producing in enormous quantities continuously, hexagonal opposite side change in size is very little, and the uniformity of product size is fine.Last through hole 4131 on the last alloy module 413 and down the effect of the lower through-hole 4141 on the alloy module 414 then be blank can be cold-pressed into the multidiameter shape in order to cooperate with bar portion undergauge drift 412, in process, after blank enters into bar portion undergauge mould 411, bar portion undergauge drift 412 carries out punching press to it, the material of blank bottom (promptly process the back and become stair-stepping small end) is extruded into top (can process the back and become stair-stepping big end) and is in the last through hole 4131 interior moulding of alloy module 413, realization has been expanded the range of work to the processing of the blank of different size diameter; Bar portion undergauge drift body 4121 is provided with horn mouth 4122, and the bottom face diameter of horn mouth 4122 is consistent with the diameter of last through hole 4131, and being provided with like this is can discharge for the material on blank top in process, thereby forms stair-stepping big end., because being clamped to next step operation with its knock-pin portion undergauge mould 411 and by manipulator, processes in the promptly preliminary make-up machine by the thimble 419 that is in the guide hole 4151 by the blank after 41 processing of undergauge mechanism of bar portion.Need to prove, can offer through hole on the whole at it then with going up alloy module 413 and descending alloy module 414 to be arranged to an integral body, also be feasible, just go up through hole 4131 and be inconvenient to process with the taper convergence hole 418 of lower through-hole 4141 joining places, thus the utility model preferably the former; And this taper convergence hole 418 is opened in the open end of lower through-hole 4131, and being provided with so equally also is processing for convenience.
As shown in Figure 9, in the utility model embodiment, preliminary shaping mechanism 42 includes preliminary mould 421 and first one-step forming drift 422, described preliminary mould 421 includes the alloy module a423 and the cushion block b424 of stacked setting, alloy module a423 and cushion block b424 are with outward and constitute alloy module a423 and fixing interior die sleeve c425 and the outer die casing d426 of cushion block b424, alloy module a423 and cushion block b424 are provided with coaxial, the through hole of diameter unanimity and mutual conduction, through hole on the alloy module a423 is last through hole 4231, hole on the cushion block b424 is a lower through-hole 4241, the cross section that the other end places that last through hole 4231 is connected with lower through-hole 4241 relatively offer with last through hole 4231 conductings is hexagonal die cavity 427, is inserted with in the lower through-hole 4241 along the thimble 428 of lower through-hole 4241 axial slips; Just one-step forming drift 422 includes one-step forming drift body 423 just, just one-step forming drift body 423 is provided with conical horn mouth 4231 towards the end face of the die cavity 427 of preliminary mould 421, just be provided with sprue 4232 in the one-step forming drift body 423 and be the jacking block 4233 of conflicting and cooperating with sprue 4232, jacking block 4233 is in just and is the fine motion slippage towards its upper conical horn mouth 4231 in the one-step forming drift body 423.Just be provided with the containing cavity 4234 that cross section is " protruding " font in the one-step forming drift body 423, be connected by shoulder rank 42343 between the top 42341 of containing cavity 4234 and the bottom 42342, described sprue 4232 is located at the bottom 42342 of containing cavity 4234, jacking block 4233 includes and takes on the base 42331 that rank 42343 are spacing cooperation and be connected and extend to the top 42332 of conical horn mouth 4231 bottoms with base 42331, leave space 4235 between the shoulder rank 42343 of containing cavity 4234 and the base 42331 of jacking block 4233, this space 4235 is the space of jacking block 4233 slippages, be provided with spring 428 between sprue 4232 and the jacking block 4233, this spring 428 plays the effect that resets.The setting of preliminary shaping mechanism 42 is in order to carry out one-step forming just by the big end of the multidiameter shape blank after 41 processing of undergauge mechanism of bar portion, its cold-extruded is pressed into hexagon, and in this cold-stamped process, overlap can appear in the big end that blank is processed to hexagonal spiral shell head, for the generation that overcomes overlap reaches for the saving to material, the bottom that blank is processed to the big end of hexagonal spiral shell head by the conical horn mouth 4231 on the first one-step forming drift 422 boss of upsetting out just can be avoided the generation of overlap after so just being provided with.Blank through preliminary shaping mechanism 42 processing is clamped to next step operation by manipulator with it, promptly enters into malleation hexagonal mechanism 43 and processes.
As shown in figure 10, in the utility model embodiment, malleation hexagonal mechanism 43 includes malleation hexagonal mould 431 and the malleation hexagonal drift 432 adaptive with malleation hexagonal mould 431; Described malleation hexagonal mould 431 includes the alloy module e433 and the cushion block f434 of stacked setting, alloy module e433 and cushion block f434 are with outward and constitute alloy module e433 and fixing interior die sleeve g435 and the outer die casing h436 of cushion block f434, alloy module e433 and cushion block f434 are provided with coaxial, the through hole of diameter unanimity and mutual conduction, through hole on the alloy module e433 is last through hole 4331, through hole on the cushion block f434 is a lower through-hole 4341, the cross section that the other end places that last through hole 4331 is connected with lower through-hole 4341 relatively offer with last through hole 4331 conductings is hexagonal die cavity 4332, is inserted with in the lower through-hole 4341 along the thimble 437 of lower through-hole 4341 axial slips; Described malleation hexagonal drift 432 includes malleation hexagonal drift body 4321, be located at the sprues 4322 in the malleation hexagonal drift body 4321 and be the jacking block 4323 that conflict cooperates with sprue 4322, jacking block 4323 extends to outside the malleation hexagonal drift body 4321, and it is the drift 43231 that cross section is positive hexagonal that jacking block 4323 extends to malleation hexagonal drift body 4321 outer parts, and the die cavity 4332 at last through hole 4331 places on this positive hexagonal drift 43231 and the alloy module e433 is adaptive.Blank through 43 processing of malleation hexagonal mechanism is clamped to next step operation by manipulator with it, promptly enters into backward extrusion mechanism 44 and processes.
As shown in figure 11, in the utility model embodiment, backward extrusion mechanism 44 includes indirect-extrusion mould 441 and the backward extrusion drift 442 adaptive with indirect-extrusion mould 441; Indirect-extrusion mould 441 includes the alloy module i443 and the cushion block j444 of stacked setting, alloy module i443 and cushion block j444 are with outward and constitute alloy module i443 and fixing interior die sleeve k445 and the outer die casing l446 of cushion block j444, that alloy module i443 and cushion block j444 are provided with is coaxial, diameter is consistent and the through hole of mutual conduction, through hole on the alloy module i443 is last through hole 4431, hole on the cushion block j444 is a lower through-hole 4441, is inserted with in the lower through-hole 4441 along the thimble 447 of lower through-hole 4441 axial slips; Backward extrusion drift 442 includes backward extrusion drift body 4421, backward extrusion drift body 4421 offers cross section and is hexagonal cavity 4422 on the end face of the last through hole 4431 of indirect-extrusion mould 441, be provided with sprue 4423 in the backward extrusion drift body 4421, be provided with jacking block 4424 between hexagonal cavity 4422 and the sprue 4423.Blank through 44 processing of backward extrusion mechanism is clamped to next step operation by manipulator with it, promptly enters into finished product shaping mechanism 45 and processes.
As shown in figure 12, in the utility model embodiment, the finished product shaping mechanism 45 that is used for last moulding includes finished product mould 451 and the finished product moulding drift 452 adaptive with finished product mould 451; Finished product mould 451 includes the alloy module m453 and the cushion block n454 of stacked setting, alloy module m453 and cushion block n454 are with outward and constitute alloy module n453 and fixing interior die sleeve o455 and the outer die casing p456 of cushion block n454, alloy module m453 and cushion block n454 are provided with coaxial, the through hole of diameter unanimity and mutual conduction, through hole on the alloy module m453 is last through hole 4531, hole on the cushion block n454 is a lower through-hole 4541, the cross section that the other end places that last through hole 4531 is connected with lower through-hole 4541 relatively offer with last through hole 4531 conductings is hexagonal moulding die cavity 4532, is inserted with the thimble 457 along the lower through-hole axial slip in the lower through-hole 4541; Offer between moulding die cavity 4532 and the last through hole 4531 greater than last through hole 4531 and less than the rectangle cavity 4533 of moulding die cavity 4532 diameters; Described finished product moulding drift 452 includes finished product moulding drift body 4521 and is located at the sprues 4522 in the finished product moulding drift 4521 and is the jacking block 4523 that conflict cooperates with sprue 4522, jacking block 4532 extends to outside the finished product moulding drift body 4521, and it is the moulding drift 45321 that cross section is positive hexagonal that jacking block 4532 extends to the outer parts of finished product moulding drift body 4521, and the moulding die cavity 4532 at last through hole 4531 places on this moulding drift 45321 that is positive hexagonal and the alloy module m453 is adaptive.
The utility model adopts five stations to process, and the manufacturing procedure of five stations is followed successively by undergauge mechanism of bar portion 41, preliminary shaping mechanism 42, malleation hexagonal mechanism 43, backward extrusion mechanism 44 and finished product shaping mechanism 45.

Claims (10)

1. the process equipment of the automobile-used tack hex bolts of cold extrusion forming is characterized in that: include frame, be located at the feed mechanism on the frame, the material cutting mechanism that is connected with feed mechanism and cold extrusion unit.
2. the process equipment of the automobile-used tack hex bolts of cold extrusion forming according to claim 1, it is characterized in that: described feed mechanism includes two rollers that are set up in parallel, be provided with feeding channel between two rollers, one side of feeding channel is provided with guide pad, described material cutting mechanism includes the cutting knife of being located at the guide pad place, and described cold extrusion unit includes undergauge mechanism of bar portion, preliminary shaping mechanism, malleation hexagonal mechanism, backward extrusion mechanism and finished product shaping mechanism.
3. the process equipment of the automobile-used tack hex bolts of cold extrusion forming according to claim 2 is characterized in that: undergauge mechanism of described bar portion includes bar portion undergauge drift and bar portion undergauge mould; Bar portion undergauge mould includes stacked last alloy module mutually, following alloy module, cushion block and be sheathed on the alloy module, following alloy module, the outer also formation of cushion block goes up the alloy module, following alloy module, interior die sleeve and outer die casing that cushion block is fixing, last alloy module, following alloy module and cushion block are provided with coaxial through hole, the through hole of last alloy module is last through hole, the through hole of following alloy module is a lower through-hole, the through hole of cushion block is a guide hole, one end of last through hole and outside conducting, the other end and lower through-hole conducting, and the diameter of last through hole is greater than the diameter of lower through-hole, the diameter of guide hole is consistent with the diameter of lower through-hole, the joining place of last through hole and lower through-hole is provided with the taper convergence hole, and described guide hole place is inserted with the thimble that cooperates along the guide hole axial slip; Described bar portion undergauge drift includes bar portion undergauge head body and is located at horn mouth on the bar portion undergauge drift body, and this horn mouth is towards the last through hole setting of bar portion undergauge mould, and bell-mouthed bottom face diameter is consistent with the diameter of last through hole.
4. according to the process equipment of claim 2 or the automobile-used tack hex bolts of 3 described cold extrusion formings, it is characterized in that: described preliminary shaping mechanism includes preliminary mould and first one-step forming drift, described preliminary mould includes the alloy module a and the cushion block b of stacked setting, alloy module a and cushion block b are with outward and constitute alloy module a and fixing interior die sleeve c and the outer die casing d of cushion block b, alloy module a and cushion block b are provided with coaxial, the through hole of diameter unanimity and mutual conduction, through hole on the alloy module a is last through hole, hole on the cushion block b is a lower through-hole, the cross section that the other end place that last through hole relatively is connected with lower through-hole offers with last through hole conducting is hexagonal die cavity, is inserted with in the described lower through-hole along the thimble of lower through-hole axial slip; Described one-step forming drift just includes one-step forming drift body just, just one-step forming drift body is provided with the conical horn mouth towards the end face of the die cavity of preliminary mould, just be provided with sprue in the one-step forming drift body and be the jacking block of conflicting and cooperating with sprue, jacking block is in just and is the fine motion slippage towards its upper conical horn mouth in the one-step forming drift body.
5. the process equipment of the automobile-used tack hex bolts of cold extrusion forming according to claim 4, it is characterized in that: be provided with the containing cavity that cross section is " protruding " font in the described first one-step forming drift body, be connected by the shoulder rank between the top of containing cavity and the bottom, described sprue is located at the bottom of containing cavity, jacking block includes and takes on base that rank are spacing cooperation and be connected with base and extend to top bottom the conical horn mouth, leave the space between the shoulder rank of containing cavity and the base of jacking block, be provided with spring between sprue and the jacking block.
6. according to the process equipment of claim 2 or the automobile-used tack hex bolts of 3 described cold extrusion formings, it is characterized in that: described malleation hexagonal mechanism include malleation hexagonal mould and with the adaptive malleation hexagonal drift of malleation hexagonal mould; Described malleation hexagonal mould includes the alloy module e and the cushion block f of stacked setting, alloy module e and cushion block f are with outward and constitute alloy module e and fixing interior die sleeve g and the outer die casing h of cushion block f, that alloy module e and cushion block f are provided with is coaxial, diameter is consistent and the through hole of mutual conduction, through hole on the alloy module e is last through hole, through hole on the cushion block f is a lower through-hole, the cross section that the other end place that last through hole relatively is connected with lower through-hole offers with last through hole conducting is hexagonal die cavity, is inserted with in the lower through-hole along the thimble of lower through-hole axial slip; Described malleation hexagonal drift includes malleation hexagonal drift body, is located at the intrinsic sprue of malleation hexagonal drift and is the jacking block of conflicting and cooperating with sprue, jacking block extends to malleation hexagonal drift, and this is external, and it is the drift that cross section is positive hexagonal that jacking block extends to this external part of malleation hexagonal drift, and the die cavity of the last through hole on this positive hexagonal drift and the alloy module e is adaptive.
7. the process equipment of the automobile-used tack hex bolts of cold extrusion forming according to claim 4 is characterized in that: described malleation hexagonal mechanism include malleation hexagonal mould and with the adaptive malleation hexagonal drift of malleation hexagonal mould; Described malleation hexagonal mould includes the alloy module e and the cushion block f of stacked setting, alloy module e and cushion block f are with outward and constitute alloy module e and fixing interior die sleeve g and the outer die casing h of cushion block f, that alloy module e and cushion block f are provided with is coaxial, diameter is consistent and the through hole of mutual conduction, through hole on the alloy module e is last through hole, through hole on the cushion block f is a lower through-hole, the cross section that the other end place that last through hole relatively is connected with lower through-hole offers with last through hole conducting is hexagonal die cavity, is inserted with in the lower through-hole along the thimble of lower through-hole axial slip; Described malleation hexagonal drift includes malleation hexagonal drift body, is located at the intrinsic sprue of malleation hexagonal drift and is the jacking block of conflicting and cooperating with sprue, jacking block extends to malleation hexagonal drift, and this is external, and it is the drift that cross section is positive hexagonal that jacking block extends to this external part of malleation hexagonal drift, and the die cavity of the last through hole on this positive hexagonal drift and the alloy module e is adaptive.
8. according to the process equipment of claim 2 or the automobile-used tack hex bolts of 3 described cold extrusion formings, it is characterized in that: described backward extrusion mechanism include indirect-extrusion mould and with the adaptive backward extrusion drift of indirect-extrusion mould; Described indirect-extrusion mould includes the alloy module i and the cushion block j of stacked setting, alloy module i and cushion block j are with outward and constitute alloy module i and fixing interior die sleeve k and the outer die casing l of cushion block j, that alloy module i and cushion block j are provided with is coaxial, diameter is consistent and the through hole of mutual conduction, through hole on the alloy module i is last through hole, hole on the cushion block j is a lower through-hole, is inserted with in the lower through-hole along the thimble of lower through-hole axial slip; Described backward extrusion drift includes backward extrusion drift body, backward extrusion drift body offers cross section and is hexagonal cavity on the end face of the last through hole of indirect-extrusion mould, be provided with sprue in the backward extrusion drift body, be provided with jacking block between hexagonal cavity and the sprue.
9. the process equipment of the automobile-used tack hex bolts of cold extrusion forming according to claim 4 is characterized in that: described backward extrusion mechanism include indirect-extrusion mould and with the adaptive backward extrusion drift of indirect-extrusion mould; Described indirect-extrusion mould includes the alloy module i and the cushion block j of stacked setting, alloy module i and cushion block j are with outward and constitute alloy module i and fixing interior die sleeve k and the outer die casing l of cushion block j, that alloy module i and cushion block j are provided with is coaxial, diameter is consistent and the through hole of mutual conduction, through hole on the alloy module i is last through hole, hole on the cushion block j is a lower through-hole, is inserted with in the lower through-hole along the thimble of lower through-hole axial slip; Described backward extrusion drift includes backward extrusion drift body, backward extrusion drift body offers cross section and is hexagonal cavity on the end face of the last through hole of indirect-extrusion mould, be provided with sprue in the backward extrusion drift body, be provided with jacking block between hexagonal cavity and the sprue.
10. according to the process equipment of claim 2 or the automobile-used tack hex bolts of 3 described cold extrusion formings, it is characterized in that: described finished product shaping mechanism includes the finished product mould and reaches and the adaptive finished product moulding drift of finished product mould; Described finished product mould includes the alloy module m and the cushion block n of stacked setting, alloy module m and cushion block n are with outward and constitute alloy module n and fixing interior die sleeve o and the outer die casing p of cushion block n, that alloy module m and cushion block n are provided with is coaxial, diameter is consistent and the through hole of mutual conduction, through hole on the alloy module m is last through hole, hole on the cushion block n is a lower through-hole, the cross section that the other end place that last through hole relatively is connected with lower through-hole offers with last through hole conducting is hexagonal moulding die cavity, is inserted with in the lower through-hole along the thimble of lower through-hole axial slip; Described finished product moulding drift includes finished product moulding drift body and is located at the interior sprue of finished product moulding drift and is the jacking block of conflicting and cooperating with sprue, jacking block extends to finished product moulding drift, and this is external, and it is the moulding drift that cross section is positive hexagonal that jacking block extends to this external part of finished product moulding drift, and this moulding die cavity that is the moulding drift of positive hexagonal and the last through hole on the alloy module m is adaptive.
CN2010205113126U 2010-08-31 2010-08-31 Machining equipment for flat-head hexagon bolt of cold-extrusion forming vehicle Expired - Fee Related CN201815555U (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101947567A (en) * 2010-08-31 2011-01-19 瑞安市瑞强标准件有限公司 Processing technique and processing device of flat-head hexagon bolt for cold extrusion shaping cart
CN102699253A (en) * 2012-05-19 2012-10-03 张家港市广大机械锻造有限公司 Mould for forging shaft coupling
CN104259236A (en) * 2014-09-11 2015-01-07 东莞诚兴五金制品有限公司 Die for expansion bolt
CN109648336A (en) * 2018-12-11 2019-04-19 贵州航天精工制造有限公司 A kind of processing unit (plant) and processing method of all-metal hexagon flange bolt

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101947567A (en) * 2010-08-31 2011-01-19 瑞安市瑞强标准件有限公司 Processing technique and processing device of flat-head hexagon bolt for cold extrusion shaping cart
CN101947567B (en) * 2010-08-31 2012-08-29 江苏浩瀚汽车标准件有限公司 Processing technique of flat-head hexagon bolt for cold extrusion shaping cart
CN102699253A (en) * 2012-05-19 2012-10-03 张家港市广大机械锻造有限公司 Mould for forging shaft coupling
CN102699253B (en) * 2012-05-19 2014-11-12 张家港市广大机械锻造有限公司 Mould for forging shaft coupling
CN104259236A (en) * 2014-09-11 2015-01-07 东莞诚兴五金制品有限公司 Die for expansion bolt
CN104259236B (en) * 2014-09-11 2016-05-18 东莞诚兴五金制品有限公司 Draw explosion bolt mould
CN109648336A (en) * 2018-12-11 2019-04-19 贵州航天精工制造有限公司 A kind of processing unit (plant) and processing method of all-metal hexagon flange bolt

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