CN110280704A - It is a kind of for manufacturing the cold heading die group and cold heading technique of dampener sleeve - Google Patents
It is a kind of for manufacturing the cold heading die group and cold heading technique of dampener sleeve Download PDFInfo
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- CN110280704A CN110280704A CN201910610815.4A CN201910610815A CN110280704A CN 110280704 A CN110280704 A CN 110280704A CN 201910610815 A CN201910610815 A CN 201910610815A CN 110280704 A CN110280704 A CN 110280704A
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- main mould
- punch die
- die
- shell
- thimble
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J13/00—Details of machines for forging, pressing, or hammering
- B21J13/02—Dies or mountings therefor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J5/00—Methods for forging, hammering, or pressing; Special equipment or accessories therefor
- B21J5/002—Hybrid process, e.g. forging following casting
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Abstract
The invention discloses a kind of for manufacturing the cold heading die group of dampener sleeve, including cut-off-die, hollow via-hole and shear knife, and the cut-off-die has been disposed adjacent ejection shell and ejector beam;Cold heading die group for manufacturing dampener sleeve further includes the first cold upsetting die of car being arranged on cold headers, second cold upsetting die of car, third cold upsetting die of car, 4th cold upsetting die of car, 5th cold upsetting die of car, 6th cold upsetting die of car and transmission clamp, it is a kind of for manufacturing the cold heading technique of dampener sleeve, including providing a kind of wire rod for making dampener sleeve, cutting forms wire blank, cold-heading is the first semi-finished blank that one end forms circular arc, beat positioning center hole, beat central bore, shave logical inner hole waste material, bar portion contracting bar, the preforming and intermediate cydariform ball upsetting extrusion of intermediate cydariform, to form dampener sleeve finished product.By the above-mentioned means, the present invention effectively improves production efficiency, stock utilization and intensity by automated production mode, have overwhelming superiority in same industry competition.
Description
Technical field
The present invention relates to technical field of mold, more particularly to a kind of cold heading die group for manufacturing dampener sleeve and cold
Upsetting technique.
Background technique
It is as shown in Figure 1 a common dampener sleeve, the production technology of dampener sleeve is mostly and passes through in the prior art
Hydraulic press carries out punch process to hollow materials in the tube, and such processing method usually requires to carry out soft annealing processing to material;And
It needs manually to carry out blowing, production efficiency is lower, and production process is relatively complicated, and final product strength is relatively low.Cold-heading work
Skill is the part that required shape is made using the plastic deformation of metal, can effectively reduce the process of machining, adopt at present
Technical report with cold heading technique processing dampener sleeve is less.
Summary of the invention
The invention mainly solves the technical problem of providing a kind of for manufacturing the cold heading die group and cold-heading of dampener sleeve
Technique effectively increases production efficiency and stock utilization by automated production mode, while using metal material appropriate
Plastic deformation can increase the principle of Strength of Metallic Materials, effectively increase the intensity of product, occupy absolutely in same industry competition
To advantage.
In order to solve the above technical problems, one technical scheme adopted by the invention is that: it provides a kind of for manufacturing damper
The cold heading die group of sleeve, including cut-off-die are provided with the hollow via-hole for assembling wire rod, the top of the cut-off-die in the cut-off-die
It is provided with shear knife, the cut-off-die has been disposed adjacent ejection shell, and sliding is provided with ejector beam in the ejection shell;For making
The cold heading die group for making dampener sleeve further includes that the first cold upsetting die of car, the second cold upsetting die of car, third that are arranged on cold headers are cold
Upsetting mold, the 4th cold upsetting die of car, the 5th cold upsetting die of car, the 6th cold upsetting die of car and transmission clamp;
First cold upsetting die of car includes the first main mould unit and the first punch die unit, and the first main mould unit includes the
One main mould shell and the first main mould cushion block are from top to bottom disposed with the first main mould benevolence, first in the first main mould shell
Mode cushion block and the first main mould thimble, the first main mould thimble are arranged through first main mould Renhe the first mode cushion block,
The intracavity bottom of the first main mould benevolence is arranged in circular arc, and the bottom end of the first main mould thimble is provided with the first thimble cushion block;
The first punch die unit includes padding after the first punch die shell and the first punch die, is provided with first in the first punch die shell and rushes stick,
Described first top for rushing stick, which abuts, is provided with the first ram block, and the described first bottom end for rushing stick is pierced by the first punch die shell
Setting;
Second cold upsetting die of car includes the second main mould unit and the second punch die unit, and the second main mould unit includes the
Two main mould shells and the second main mould cushion block are from top to bottom disposed with the second main mould benevolence, second in the second main mould shell
Mode cushion block and the second main mould thimble, the second main mould thimble are arranged through second main mould Renhe the second mode cushion block,
The intracavity bottom of the second main mould benevolence is arranged in circular arc, and the bottom end of the second main mould thimble is provided with the second thimble cushion block;
The second punch die unit includes padding after the second punch die shell and the second punch die, is provided with second in the second punch die shell and rushes stick,
Described second top for rushing stick, which abuts, is provided with the second ram block, and described second, which rushes stick, is pierced by the second punch die shell setting simultaneously
And bottom end is provided with the first central boss;
The third cold upsetting die of car includes third main mould unit and third punch die unit, and the third main mould unit includes the
Three main mould shells are from top to bottom disposed with core and third main mould guide sleeve before third main mould in the third main mould shell,
In-core is provided through third main mould thimble before the third main mould, is provided with third main mould on the outside of the third main mould thimble
Discharging set and third main mould three needle stands, the lower section of the third main mould discharging set is padded after being provided with third main mould discharging set and third
Three thimble of main mould, the quantity of three thimble of third main mould are three, and it is main that the bottom end of the third main mould thimble is provided with the 4th
Three pincushion of mould;The third punch die unit includes padding after third punch die shell and third punch die, is provided in the third punch die shell
Third rushes stick, and the top that the third rushes stick, which abuts, is provided with third ram block, and the third rushes stick and is pierced by the third punching
Formwork is arranged and bottom end is provided with the second central boss;
4th cold upsetting die of car includes the 4th main mould unit and the 4th punch die unit, and the 4th main mould unit includes the
Four main mould shells are from top to bottom disposed with core and the 4th main mould guide sleeve before the 4th main mould in the 4th main mould shell,
In-core is provided through the 4th main mould thimble before 4th main mould, is provided with the 4th main mould on the outside of the 4th main mould thimble
The lower section of discharging set and the 4th main mould three needle stands, the 4th main mould discharging set is provided with pad and the 4th after the 4th main mould discharging set
Three thimble of main mould, the quantity of three thimble of the 4th main mould are three, and it is main that the bottom end of the 4th main mould thimble is provided with the 4th
Three pincushion of mould;The 4th punch die unit is provided in the 4th punch die shell including padding after the 4th punch die shell and the 4th punch die
4th rushes stick, and the described 4th top for rushing stick, which abuts, is provided with the 4th ram block, and the 4th bottom end for rushing stick is pierced by described
The setting of 4th punch die shell, the described 4th rushes after stick, the 4th ram block and the 4th punch die and is provided with Waste recovering machine in pad
Structure;
5th cold upsetting die of car include the 5th main mould unit, the 5th punch die unit and for limiting positions of materials first
The preforming position-limit mechanism of cydariform, the 5th main mould unit include the 5th main mould shell, in the 5th main mould shell by up to
Under be disposed with core and the 5th main mould guide sleeve before the 5th main mould, in-core is provided through the 5th main mould before the 5th main mould
Thimble is provided with the 5th main mould discharging set, the 5th main mould three needle stands and three needle of the 5th main mould on the outside of the 5th main mould thimble
Pad, the lower section of the 5th main mould discharging set are provided with the 5th main mould discharging set cushion block and three thimble of the 5th main mould, and the described 5th
Three thimble of main mould is three;The 5th punch die unit after the 5th punch die shell and the 5th punch die including padding, the 5th punch die shell
Inside be provided with the 5th punch die benevolence, be provided through in the 5th punch die shell described in the 5th punch die Renhe the 5th punch die discharging set and
The 5th punch die discharging set cushion block at one end is set, is additionally provided with three pincushion of the 5th punch die and the 5th punching in the 5th punch die shell
Mould three needle stands, the 5th punch die three needle stands cladding are provided with the 5th punching along the 5th punch die discharging set direction trend
Stick, pad is internally provided with the 5th punch die cushion block after the 5th punch die, is provided with the 5th punch die below the 5th punch die cushion block
Three thimbles;
6th cold upsetting die of car include the 6th main mould unit, the 6th punch die unit and for limiting positions of materials second
The preforming position-limit mechanism of cydariform, the 6th main mould unit include the 6th main mould shell, in the 6th main mould shell by up to
Under be disposed with core and the 6th main mould guide sleeve before the 6th main mould, in-core is provided through the 6th main mould before the 6th main mould
Thimble, the bottom end of the 6th main mould thimble are provided with three pincushion of the 6th main mould, are provided on the outside of the 6th main mould thimble
The lower section of 6th main mould three needle stands and the 6th main mould discharging set, the 6th main mould discharging set is provided with the 6th main mould discharging sleeve gasket
The quantity of three thimble of block and the 6th main mould, three thimble of the 6th main mould is set as three;The 6th punch die unit includes the
It is padded after six punch die shells and the 6th punch die, is provided with the 6th punch die benevolence in the 6th punch die shell, described in the 6th punch die Renhe
Be provided through in 6th punch die shell the 6th punch die discharging set and setting at one end the 6th punch die discharging set cushion block, the described 6th
It is additionally provided with three pincushion of the 6th punch die and the 6th punch die three needle stands in punch die shell, is provided with the 6th punching after the 6th punch die in pad
The side of die-cushion block, the 6th punch die cushion block towards three pincushion of the 6th punch die is provided with three thimble of the 6th punch die.
Preferably, the preforming position-limit mechanism of the first cydariform includes that the 5th main mould discharging set top is arranged in
One molding hemisphere and the second molding hemisphere that the 5th punch die discharging set bottom end is set, the diameter of the first molding hemisphere
Greater than the diameter of the 5th main mould discharging set casing, the diameter of the second molding hemisphere is greater than the 5th punch die discharging set
The diameter of casing.
Preferably, the symmetrical configuration of the first molding hemisphere and the second molding hemisphere.
Preferably, the preforming position-limit mechanism of the second cydariform includes that the 6th main mould discharging set top is arranged in
Three molding hemisphere and the 4th molding hemisphere that the 6th punch die discharging set bottom end is set, the diameter of the third molding hemisphere
Greater than the diameter of the 6th main mould discharging set casing, the diameter of the 4th molding hemisphere is greater than the 6th punch die discharging set
The diameter of casing.
Preferably, the symmetrical configuration of the third molding hemisphere and the 4th molding hemisphere.
Preferably, the Waste recovery mechanism includes rushing stick along the described 4th to lead to axially through the first waste material of setting
Road, the 4th ram block is axially through being provided with the second waste channel, first waste channel and second waste material
Channel is in same straight line, is provided with reclaiming chamber in pad after the 4th punch die.
Preferably, the diameter of first waste channel is less than the diameter of second waste channel.
It is a kind of for manufacturing the cold heading technique of dampener sleeve, comprising:
Step 1: a kind of wire rod making dampener sleeve is provided;
Step 2: cutting off the wire rod for making dampener sleeve to form wire blank;
Step 3: being the first semi-finished product base that one end forms circular arc by the wire blank cold-heading for being used to make dampener sleeve
Material;
Step 4: positioning center hole is beaten along the arc end of first semi-finished blank, to form the second semi-finished product base
Material;
Step 5: central bore is beaten away from one end of the positioning center hole along second semi-finished blank, it is described fixed
It is not penetrated through between position centre bore and the central bore, to form third semi-finished blank;
Step 6: the third semi-finished blank being shaved into logical inner hole waste material, so that positioning center hole and the central bore are passed through
It is logical, to form the 4th semi-finished blank;
Step 7: by the bar portion contracting bar of the 4th semi-finished blank, intermediate cydariform is preforming, to form the 5th semi-finished product base
Material;
Step 8: by the intermediate cydariform ball upsetting extrusion of the 5th semi-finished blank, to form dampener sleeve finished product.
Preferably, the positioning center hole and the central bore are each along central axis direction, and the centre of location
The depth in hole is less than the depth of the central bore.
The beneficial effects of the present invention are: provided by the invention a kind of for manufacturing the cold heading die group and cold-heading of dampener sleeve
Technique, compared with the prior art in hydraulic press punch process for, the present invention is effectively increased by automated production mode
Stock utilization, production efficiency rise to original 50 times;Gold can be increased in appropriate plastic deformation using metal material simultaneously
Belong to the principle of the strength of materials, the product strength of acquisition effectively improves, and this technology has overwhelming superiority in same industry competition.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of dampener sleeve finished product;
Fig. 2 is the general assembly drawing of dampener sleeve cold upsetting die of car in the present invention;
Fig. 3 is the first cold upsetting die of car structural schematic diagram in the present invention;
Fig. 4 is the second cold upsetting die of car structural schematic diagram in the present invention;
Fig. 5 is the portion A enlarged drawing in Fig. 4, for embodying the second semi-finished blank;
Fig. 6 is third cold upsetting die of car structural schematic diagram in the present invention;
Fig. 7 is the portion B enlarged drawing in Fig. 6, for embodying third semi-finished blank;
Fig. 8 is the 4th cold upsetting die of car structural schematic diagram in the present invention;
Fig. 9 is the 5th cold upsetting die of car structural schematic diagram in the present invention;
Figure 10 is the portion C enlarged drawing in Fig. 9, for embodying the 4th semi-finished blank;
Figure 11 is the 6th cold upsetting die of car structural schematic diagram in the present invention;
Figure 12 is the portion D enlarged drawing in Figure 11, for embodying the configuration state of final products;
Figure 13 is the product structure state of each step process in the present invention;
The components in the drawings are labeled as follows:
1, cut-off-die;2, hollow via-hole;3, shear knife;4, shell is ejected;5, ejector beam;6, the first cold upsetting die of car;61, first
Main mould unit;611, the first main mould shell;612, the first main mould cushion block;613, the first main mould benevolence;614, the first mode cushion block;
615, the first main mould thimble;616, the first thimble cushion block;62, the first punch die unit;621, the first punch die shell;622, the first punch die
After pad;623, first stick is rushed;624, the first ram block;7, the second cold upsetting die of car;71, the second main mould unit;711, second is main
Die housing;712, the second main mould cushion block;713, the second main mould benevolence;714, the second mode cushion block;715, the second main mould thimble;716,
Second thimble cushion block;72, the second punch die unit;721, the second punch die shell;722, it is padded after the second punch die;723, second stick is rushed;
724, the second ram block;725, the first central boss;8, third cold upsetting die of car;81, third main mould unit;811, third main mould
Shell;812, core before third main mould;813, third main mould guide sleeve;814, third main mould thimble;815, third main mould discharging set;
816, third main mould three needle stands;817, it is padded after third main mould discharging set;818, three thimble of third main mould;819, three needle of the 4th main mould
Pad;82, third punch die unit;821, third punch die shell;822, it is padded after third punch die;823, third rushes stick;824, third formed punch
Cushion block;825, the second central boss;9, the 4th cold upsetting die of car;91, the 4th main mould unit;911, the 4th main mould shell;912,
Core before four main moulds;913, the 4th main mould guide sleeve;914, the 4th main mould thimble;915, the 4th main mould discharging set;916, the 4th is main
Mould three needle stands;917, it is padded after the 4th main mould discharging set;918, three thimble of the 4th main mould;919, three pincushion of the 4th main mould;92, the 4th
Punch die unit;921, the 4th punch die shell;922, it is padded after the 4th punch die;923, the 4th stick is rushed;924, the 4th ram block;10,
Five cold upsetting die of car;101, the 5th main mould unit;1011, the 5th main mould shell;1012, core before the 5th main mould;1013, the 5th main mould
Guide sleeve;1014, the 5th main mould thimble;1015, the 5th main mould discharging set;1016, the 5th main mould three needle stands;1017, the 5th is main
Three pincushion of mould;1018, the 5th main mould discharging covers cushion block;1019, three thimble of the 5th main mould;102, the 5th punch die unit;1021,
Five punch die shells;1022, it is padded after the 5th punch die;1023, the 5th punch die benevolence;1024, the 5th punch die discharging set;1025, the 5th punch die
Discharging covers cushion block;1026, three pincushion of the 5th punch die;1027, the 5th punch die three needle stands;1028, the 5th stick is rushed;1029, the 5th punching
Die-cushion block;1030, three thimble of the 5th punch die;103, the preforming position-limit mechanism of the first cydariform;1031, the first molding hemisphere;1032,
Second molding hemisphere;11, the 6th cold upsetting die of car;111, the 6th main mould unit;1111, the 6th main mould shell;1112, the 6th main mould
Preceding core;1113, the 6th main mould guide sleeve;1114, the 6th main mould thimble;1115, three pincushion of the 6th main mould;1116, the 6th main mould
Three needle stands;1117, the 6th main mould discharging set;1118, the 6th main mould discharging covers cushion block;1119, three thimble of the 6th main mould;112,
Six punch die units;1121, the 6th punch die shell;1122, it is padded after the 6th punch die;1123, the 6th punch die benevolence;1124, the 6th punch die unloads
Material set;1125, the 6th punch die discharging covers cushion block;1126, three pincushion of the 6th punch die;1127, the 6th punch die three needle stands;1128,
Six punch die cushion blocks;1129, three thimble of the 6th punch die;113, the preforming position-limit mechanism of the second cydariform;1131, third forms hemisphere;
1132, the 4th molding hemisphere;12, clamp is transmitted;13, Waste recovery mechanism;131, the first waste channel;132, the second waste material is logical
Road;133, reclaiming chamber;14, wire blank;15, the first semi-finished blank;16, positioning center hole;17, the second semi-finished blank;
18, central bore;19, third semi-finished blank;20, the 4th semi-finished blank;21, the 5th semi-finished blank;22, damper set
Cylinder finished product.
Specific embodiment
The preferred embodiments of the present invention will be described in detail with reference to the accompanying drawing, so that advantages and features of the invention energy
It is easier to be readily appreciated by one skilled in the art, so as to make a clearer definition of the protection scope of the present invention.
Embodiment:
It is as depicted in figs. 1 and 2, a kind of for manufacturing the cold heading die group and cold heading technique of dampener sleeve, including cut-off-die 1,
Hollow via-hole 2 is provided in cut-off-die 1, wire rod to be assembled is inserted into hollow via-hole 2, and the top of cut-off-die 1 is provided with shear knife 3,
The wire rod being embedded in by 3 Duis of shear knife carries out shear treatment, and cut-off-die 1 has been disposed adjacent ejection shell 4, sliding in ejection shell 4
It is provided with ejector beam 5, is ejected the wire rod after shearing by ejector beam 5.Cold heading die group for manufacturing dampener sleeve is also wrapped
Include the first cold upsetting die of car 6 being arranged on cold headers, the second cold upsetting die of car 7, third cold upsetting die of car 8, the 4th cold upsetting die of car 9,
Five cold upsetting die of car 10, the 6th cold upsetting die of car 11 and transmission clamp 12, the wire rod after being cut out by transmission clamp 12 carry out successively
It produces and shifts by coordination of processes.
As shown in Figures 2 and 3, the first cold upsetting die of car 6 includes the first main mould unit 61 and the first punch die unit 62, and first is main
Form unit 61 includes the first main mould shell 611 and the first main mould cushion block 612, is from top to bottom successively set in the first main mould shell 611
It is equipped with the first main mould benevolence 613, the first mode cushion block 614 and the first main mould thimble 615, the first main mould thimble 615 is main through first
Mode 613 and the setting of the first mode cushion block 614, the intracavity bottom of the first main mould benevolence 613 are arranged in circular arc, the first main mould thimble
615 bottom end is provided with the first thimble cushion block 616.First punch die unit 62 after the first punch die shell 621 and the first punch die including padding
622, it is provided with first in the first punch die shell 621 and rushes stick 623, the first top for rushing stick 623, which abuts, is provided with the first ram block
624, the first bottom end for rushing stick 623 is pierced by the setting of the first punch die shell 621, passes through the first main mould unit 61 and the first punch die unit 62
Collective effect by wire blank cold-heading be one end formed circular arc the first semi-finished blank 15.
As shown in Figure 4 and Figure 5, the second cold upsetting die of car 7 includes the second main mould unit 71 and the second punch die unit 72, and second is main
Form unit 71 includes the second main mould shell 711 and the second main mould cushion block 712, is from top to bottom successively set in the second main mould shell 711
It is equipped with the second main mould benevolence 713, the second mode cushion block 714 and the second main mould thimble 715, the second main mould thimble 715 is main through second
Mode 713 and the setting of the second mode cushion block 714, the intracavity bottom of the second main mould benevolence 713 are arranged in circular arc, the second main mould thimble
715 bottom end is provided with the second thimble cushion block 716.Second punch die unit 72 after the second punch die shell 721 and the second punch die including padding
722, it is provided with second in the second punch die shell 721 and rushes stick 723, the second top for rushing stick 723, which abuts, is provided with the second ram block
724, second rushes that stick 723 is pierced by the setting of the second punch die shell 721 and bottom end is provided with the first central boss 725, transmits clamp 12
By the first cold upsetting die of car 6 treated the first semi-finished blank 15 is transferred to the second cold upsetting die of car 7, while by the first semi-finished product base
15 change direction of material makes arc surface towards the second punch die unit 72, is matched by the second main mould unit 71 and the second punch die unit 72
It closes and the upper end arc end of the first semi-finished blank 15 is got into positioning center hole 16, to obtain the second semi-finished blank 19.
As shown in Figure 6 and Figure 7, third cold upsetting die of car 8 includes third main mould unit 81 and third punch die unit 82, third master
Form unit 81 includes third main mould shell 811, is from top to bottom disposed with core before third main mould in third main mould shell 811
812 and third main mould guide sleeve 813, third main mould thimble 814, third main mould top are provided through in core 812 before third main mould
The outside of needle 814 is provided with third main mould discharging set 815 and third main mould three needle stands 816, the lower section of third main mould discharging set 815
It is provided with three thimble 818 of pad 817 and third main mould after third main mould discharging covers, the quantity of three thimble 818 of third main mould is three,
The bottom end of third main mould thimble 814 is provided with three pincushion 819 of the 4th main mould.Third punch die unit 82 includes third punch die shell 821
With pad 822 after third punch die, it is provided with third in third punch die shell 821 and rushes stick 823, the top that third rushes stick 823 abuts setting
There is a third ram block 824, third rushes that stick 823 is pierced by the setting of third punch die shell 821 and bottom end is provided with the second central boss
825, central bore 18 is beaten away from one end of positioning center hole 16 along the second semi-finished blank 16 by third cold upsetting die of car 8,
It is not penetrated through between positioning center hole 16 and central bore 18, to form third semi-finished blank 19.
As shown in figure 8, the 4th cold upsetting die of car 9 includes the 4th main mould unit 91 and the 4th punch die unit 92, the 4th main mould list
Member 91 includes the 4th main mould shell 911, is from top to bottom disposed with 912 He of core before the 4th main mould in the 4th main mould shell 911
4th main mould guide sleeve 913 is provided through the 4th main mould thimble 914, the 4th main mould thimble 914 in core 912 before the 4th main mould
Outside be provided with the 4th main mould discharging set 915 and the 4th main mould three needle stands 916, the lower section setting of the 4th main mould discharging set 915
There is three thimble 918 of pad 917 and the 4th main mould after the 4th main mould discharging set, the quantity of three thimble 918 of the 4th main mould is three, the 4th
The bottom end of main mould thimble 914 is provided with three pincushion 919 of the 4th main mould.4th punch die unit 92 includes the 4th punch die shell 921 and the
Pad 922 after four punch dies is provided with the 4th in the 4th punch die shell 921 and rushes stick 923, and the 4th top for rushing stick 923, which abuts, is provided with the
Four ram blocks 924, the 4th bottom end for rushing stick 923 are pierced by the 4th punch die shell 921 setting, and the 4th rushes stick 923, the 4th formed punch
Waste recovery mechanism 13 is provided with after cushion block 924 and the 4th punch die in pad 922, Waste recovery mechanism 13 includes rushing stick along the 4th
923 axially through setting the first waste channel 131, the 4th ram block 924 is axially through being provided with the second waste channel
132, the first waste channel 131 and the second waste channel 132 are in same straight line, are provided with recycling in pad 922 after the 4th punch die
Chamber 133.Third semi-finished blank 19 is shaved into logical inner hole waste material, so that positioning center hole 16 and central bore 18 penetrate through, thus shape
At the 4th semi-finished blank 20, shave that logical waste material passes sequentially through the first waste channel 131 and the transmission of the second waste channel 132 collects
To reclaiming chamber 133, periodically cleared up.The smoothness of waste material transmission in order to further increase, by the first waste channel 131
Diameter is set smaller than the diameter of the second waste channel 132.
As described in Fig. 9 and Figure 10, the 5th cold upsetting die of car 10 includes the 5th main mould unit 101, the 5th punch die unit 102 and uses
In the preforming position-limit mechanism 103 of the first cydariform for limiting positions of materials, the 5th main mould unit 101 includes the 5th main mould shell
1011, core 1012 and the 5th main mould guide sleeve before the 5th main mould are from top to bottom disposed in the 5th main mould shell 1011
1013, the 5th main mould thimble 1014, the outside setting of the 5th main mould thimble 1014 are provided through before the 5th main mould in core 1012
There is the 5th main mould discharging to cover the 1015, the 5th main mould three needle stands 1016 and three pincushion 1017 of the 5th main mould, the 5th main mould discharging set
1015 lower section is provided with the 5th main mould discharging set cushion block 1018 and three thimble 1019 of the 5th main mould, three thimble 1019 of the 5th main mould
It is set as three.5th punch die unit 102 includes pad 1022 after the 5th punch die shell 1021 and the 5th punch die, the 5th punch die shell 1021
It is inside provided with the 5th punch die benevolence 1023, is provided through the 5th punch die discharging in the 5th punch die benevolence 1023 and the 5th punch die shell 1021
The 5th punch die discharging of set 1024 and setting at one end covers cushion block 1025, is additionally provided with the 5th punch die three in the 5th punch die shell 1021
Pincushion 1026 and the 5th punch die three needle stands 1027, the 5th punch die three needle stands 1027 cladding are provided with along the 5th punch die discharging set
The 5th of 1024 directions trend rushes stick 1028, and pad 1022 is internally provided with the 5th punch die cushion block 1029, the 5th punching after the 5th punch die
Three thimble 1030 of the 5th punch die is provided with below die-cushion block 1029.The preforming position-limit mechanism 103 of first cydariform includes setting the
Five main mould dischargings cover the first molding hemisphere 1031 on 1015 tops and the second one-tenth of 1024 bottom ends of the 5th punch die discharging set are arranged in
Type hemisphere 1032, the diameter of the first molding hemisphere 1031 are greater than the diameter that the 5th main mould discharging covers 1015 casings, the second molding half
The diameter of ball 1032 is greater than the diameter that the 5th punch die discharging covers 1024 casings, the first molding hemisphere 1031 and the second molding hemisphere
1032 symmetrical configuration, by the 5th cold upsetting die of car 10 by the bar portion contracting bar of the 4th semi-finished blank 20, intermediate symmetry cydariform is pre-
Molding, to form the 5th semi-finished blank 21.
As is illustrated by figs. 11 and 12, the 6th cold upsetting die of car 11 includes the 6th main mould unit 111,112 and of the 6th punch die unit
The preforming position-limit mechanism 113 of the second cydariform for limiting positions of materials, the 6th main mould unit 111 include the 6th main mould shell
1111, core 1112 and the 6th main mould guide sleeve before the 6th main mould are from top to bottom disposed in the 6th main mould shell 1111
1113, the 6th main mould thimble 1114, the bottom end setting of the 6th main mould thimble 1114 are provided through before the 6th main mould in core 1112
There is three pincushion 1115 of the 6th main mould, the outside of the 6th main mould thimble 1114 is provided with the 6th main mould three needle stands 1116 and the 6th main mould
Discharging set 1117, the lower section of the 6th main mould discharging set 1117 are provided with the 6th main mould discharging set cushion block 1118 and the 6th main mould three top
The quantity of needle 1119, three thimble 1119 of the 6th main mould is set as three.6th punch die unit 112 includes 1121 He of the 6th punch die shell
Pad 1122 after 6th punch die is provided with the 6th punch die benevolence 1123, the 6th punch die benevolence 1123 and the 6th punching in the 6th punch die shell 1121
The 6th punch die discharging set cushion block 1125 of the 6th punch die discharging set 1124 and setting at one end is provided through in formwork 1121, the
Three pincushion 1126 of the 6th punch die and the 6th punch die three needle stands 1127, pad 1122 after the 6th punch die are additionally provided in six punch die shells 1121
It is inside provided with the 6th punch die cushion block 1128, the side of the 6th punch die cushion block 1128 towards three pincushion 1126 of the 6th punch die is provided with
Six punch dies, three thimble 1129, the preforming position-limit mechanism 113 of the second cydariform include that the 6th main mould discharging is arranged in cover 1117 tops
Third molding hemisphere 1131 and the 4th molding hemisphere 1132 that 1124 bottom ends of the 6th punch die discharging set are arranged in, third form hemisphere
1131 diameter is greater than the diameter that the 6th main mould discharging covers 1117 casings, and the diameter of the 4th molding hemisphere 1132 is greater than the 6th punch die
Discharging covers the diameter of 1124 casings, and third forms the symmetrical configuration of hemisphere 1131 and the 4th molding hemisphere 1132.It is cold by the 6th
Upsetting mold is by the intermediate cydariform ball upsetting extrusion of the 5th semi-finished blank 21, to form dampener sleeve finished product 22.
As shown in figure 13, it is walked the present invention also provides a kind of for manufacturing the cold heading technique of dampener sleeve, including as follows
It is rapid:
Step 1: a kind of wire rod making dampener sleeve is provided;
Step 2: the wire rod for making dampener sleeve being cut off to form wire blank 14;
Step 3: being the first semi-finished product that one end forms circular arc by 14 cold-heading of wire blank for being used to make dampener sleeve
Blank 15;
Step 4: beat positioning center hole 16 along the arc end of first semi-finished blank 15, thus formed the second half at
Product blank 17;
Step 5: beating central bore 18 away from one end of positioning center hole 16 along second semi-finished blank 16, position
It is not penetrated through between centre bore 16 and central bore 18, so that third semi-finished blank 19 is formed, in positioning center hole 16 and center
Hole 18 is each along central axis direction, and the depth of positioning center hole 16 is less than the depth of central bore 18;
Step 6: third semi-finished blank 19 being shaved into logical inner hole waste material, so that positioning center hole 16 and central bore 18 are passed through
It is logical, to form the 4th semi-finished blank 20;
Step 7: by the bar portion contracting bar of the 4th semi-finished blank 20, intermediate cydariform is preforming, to form the 5th semi-finished product
Blank 21;
Step 8: by the intermediate cydariform ball upsetting extrusion of the 5th semi-finished blank 21, to form dampener sleeve finished product
22。
The above description is only an embodiment of the present invention, is not intended to limit the scope of the invention, all to utilize this hair
Equivalent structure or equivalent flow shift made by bright specification and accompanying drawing content is applied directly or indirectly in other relevant skills
Art field, is included within the scope of the present invention.
Claims (9)
1. a kind of for manufacturing the cold heading die group of dampener sleeve, it is characterised in that: including cut-off-die (1), set in the cut-off-die (1)
It is equipped with the hollow via-hole (2) for assembling wire rod, is provided with shear knife (3) above the cut-off-die (1), cut-off-die (1) phase
Neighbour is provided with ejection shell (4), and sliding is provided with ejector beam (5) in the ejection shell (4);For manufacturing dampener sleeve
Cold heading die group further includes the first cold upsetting die of car (6) being arranged on cold headers, the second cold upsetting die of car (7), third cold upsetting die of car
(8), the 4th cold upsetting die of car (9), the 5th cold upsetting die of car (10), the 6th cold upsetting die of car (11) and transmission clamp (12);
First cold upsetting die of car (6) includes the first main mould unit (61) and the first punch die unit (62), the first main mould list
First (61) include the first main mould shell (611) and the first main mould cushion block (612), the first main mould shell (611) it is interior by up to
Under be disposed with the first main mould benevolence (613), the first mode cushion block (614) and the first main mould thimble (615), first main mould
Thimble (615) is arranged through the first main mould benevolence (613) and the first mode cushion block (614), the first main mould benevolence (613)
Intracavity bottom is arranged in circular arc, and the bottom end of the first main mould thimble (615) is provided with the first thimble cushion block (616);Described
One punch die unit (62) includes pad (622) after the first punch die shell (621) and the first punch die, is set in the first punch die shell (621)
First is equipped with to rush stick (623), the described first top for rushing stick (623), which abuts, to be provided with the first ram block (624), and described first
The bottom end for rushing stick (623) is pierced by the first punch die shell (621) setting;
Second cold upsetting die of car (7) includes the second main mould unit (71) and the second punch die unit (72), the second main mould list
First (71) include the second main mould shell (711) and the second main mould cushion block (712), the second main mould shell (711) it is interior by up to
Under be disposed with the second main mould benevolence (713), the second mode cushion block (714) and the second main mould thimble (715), second main mould
Thimble (715) is arranged through the second main mould benevolence (713) and the second mode cushion block (714), the second main mould benevolence (713)
Intracavity bottom is arranged in circular arc, and the bottom end of the second main mould thimble (715) is provided with the second thimble cushion block (716);Described
Two punch die units (72) include pad (722) after the second punch die shell (721) and the second punch die, are set in the second punch die shell (721)
Second is equipped with to rush stick (723), the described second top for rushing stick (723), which abuts, to be provided with the second ram block (724), and described second
Rush that stick (723) is pierced by the second punch die shell (721) setting and bottom end is provided with the first central boss (725);
The third cold upsetting die of car (8) includes third main mould unit (81) and third punch die unit (82), the third main mould list
First (81) include third main mould shell (811), are from top to bottom disposed with third main mould in the third main mould shell (811)
Preceding core (812) and third main mould guide sleeve (813) are provided through third main mould thimble in core (812) before the third main mould
(814), third main mould discharging set (815) and third main mould three needle stands are provided on the outside of the third main mould thimble (814)
(816), (817) and third main mould three are padded after third main mould discharging set is provided with below the third main mould discharging set (815)
Thimble (818), the quantity of three thimble of third main mould (818) are three, and the bottom end of the third main mould thimble (814) is arranged
There is three pincushion of the 4th main mould (819);The third punch die unit (82) includes padding after third punch die shell (821) and third punch die
(822), it is provided with third in the third punch die shell (821) to rush stick (823), the top that the third rushes stick (823), which abuts, to be set
It is equipped with third ram block (824), the third rushes that stick (823) is pierced by the third punch die shell (821) setting and bottom end is set
It is equipped with the second central boss (825);
4th cold upsetting die of car (9) includes the 4th main mould unit (91) and the 4th punch die unit (92), the 4th main mould list
First (91) include the 4th main mould shell (911), are from top to bottom disposed with the 4th main mould in the 4th main mould shell (911)
Preceding core (912) and the 4th main mould guide sleeve (913) are provided through the 4th main mould thimble in core (912) before the 4th main mould
(914), the 4th main mould discharging set (915) and the 4th main mould three needle stands are provided on the outside of the 4th main mould thimble (914)
(916), (917) and the 4th main mould three are padded after the 4th main mould discharging set is provided with below the 4th main mould discharging set (915)
Thimble (918), the quantity of three thimble of the 4th main mould (918) are three, and the bottom end of the 4th main mould thimble (914) is arranged
There is three pincushion of the 4th main mould (919);The 4th punch die unit (92) after the 4th punch die shell (921) and the 4th punch die including padding
(922), the 4th being provided in the 4th punch die shell (921) and rushing stick (923), the described 4th top for rushing stick (923), which abuts, to be set
It is equipped with the 4th ram block (924), the described 4th bottom end for rushing stick (923) is pierced by the 4th punch die shell (921) setting, described
4th rushes after stick (923), the 4th ram block (924) and the 4th punch die and is provided with Waste recovery mechanism in pad (922)
(13);
5th cold upsetting die of car (10) is including the 5th main mould unit (101), the 5th punch die unit (102) and for limiting material
The preforming position-limit mechanism of the first cydariform (103) of position, the 5th main mould unit (101) include the 5th main mould shell
(1011), core (1012) and the 5th main mould before the 5th main mould are from top to bottom disposed in the 5th main mould shell (1011)
Guide sleeve (1013) is provided through the 5th main mould thimble (1014) before the 5th main mould in core (1012), the described 5th is main
The 5th main mould discharging set (1015), the 5th main mould three needle stands (1016) and the 5th main mould three are provided on the outside of mould thimble (1014)
Pincushion (1017) is provided with the 5th main mould discharging set cushion block (1018) and the 5th below the 5th main mould discharging set (1015)
Three thimble of main mould (1019), three thimble of the 5th main mould (1019) are three;The 5th punch die unit (102) includes the 5th
(1022) are padded after punch die shell (1021) and the 5th punch die, are provided with the 5th punch die benevolence in the 5th punch die shell (1021)
(1023), the 5th punch die discharging set is provided through in the 5th punch die benevolence (1023) and the 5th punch die shell (1021)
(1024) and setting the 5th punch die discharging at one end covers cushion block (1025), and the is additionally provided in the 5th punch die shell (1021)
Five punch dies, three pincushion (1026) and the 5th punch die three needle stands (1027), the 5th punch die three needle stands (1027) cladding are provided with edge
The 5th punch die discharging set (1024) direction trend the 5th rush stick (1028), it is internal that (1022) are padded after the 5th punch die
It is provided with the 5th punch die cushion block (1029), is provided with three thimble of the 5th punch die below the 5th punch die cushion block (1029)
(1030);
6th cold upsetting die of car (11) is including the 6th main mould unit (111), the 6th punch die unit (112) and for limiting material
The preforming position-limit mechanism of the second cydariform (113) of position, the 6th main mould unit (111) include the 6th main mould shell
(1111), core (1112) and the 6th main mould before the 6th main mould are from top to bottom disposed in the 6th main mould shell (1111)
Guide sleeve (1113) is provided through the 6th main mould thimble (1114) before the 6th main mould in core (1112), the described 6th is main
The bottom end of mould thimble (1114) is provided with three pincushion of the 6th main mould (1115), the outside setting of the 6th main mould thimble (1114)
There are the 6th main mould three needle stands (1116) and the 6th main mould discharging set (1117), is set below the 6th main mould discharging set (1117)
It is equipped with the 6th main mould discharging set cushion block (1118) and three thimble of the 6th main mould (1119), three thimble of the 6th main mould (1119)
Quantity is set as three;The 6th punch die unit (112) includes pad (1122) after the 6th punch die shell (1121) and the 6th punch die,
The 6th punch die benevolence (1123), the 6th punch die benevolence (1123) and the 6th punching are provided in the 6th punch die shell (1121)
The 6th punch die discharging set cushion block of the 6th punch die discharging set (1124) and setting at one end is provided through in formwork (1121)
(1125), three pincushion of the 6th punch die (1126) and the 6th punch die three needle stands are additionally provided in the 6th punch die shell (1121)
(1127), it is padded in (1122) after the 6th punch die and is provided with the 6th punch die cushion block (1128), the 6th punch die cushion block
(1128) side of three pincushion of the 6th punch die (1126) is provided with three thimble of the 6th punch die (1129).
2. according to claim 1 a kind of for manufacturing the cold heading die group of dampener sleeve, it is characterised in that: described first
The preforming position-limit mechanism of cydariform (103) includes first molding hemisphere of the setting on the 5th main mould discharging set (1015) top
(1031) and setting is in the second molding hemisphere (1032) of the 5th punch die discharging set (1024) bottom end, and first molding is partly
The diameter of ball (1031) is greater than the diameter of the 5th main mould discharging set (1015) casing, second molding hemisphere (1032)
Diameter is greater than the diameter of the 5th punch die discharging set (1024) casing.
3. according to claim 2 a kind of for manufacturing the cold heading die group of dampener sleeve, it is characterised in that: described first
Form the symmetrical configuration of hemisphere (1031) and second molding hemisphere (1032).
4. according to claim 1 a kind of for manufacturing the cold heading die group of dampener sleeve, it is characterised in that: described second
The preforming position-limit mechanism of cydariform (113) includes that third of the setting on the 6th main mould discharging set (1117) top forms hemisphere
(1131) and setting is in the 4th molding hemisphere (1132) of the 6th punch die discharging set (1124) bottom end, and the third molding is partly
The diameter of ball (1131) is greater than the diameter of the 6th main mould discharging set (1117) casing, the 4th molding hemisphere (1132)
Diameter is greater than the diameter of the 6th punch die discharging set (1124) casing.
5. according to claim 4 a kind of for manufacturing the cold heading die group of dampener sleeve, it is characterised in that: the third
Form the symmetrical configuration of hemisphere (1131) and the 4th molding hemisphere (1132).
6. according to claim 1 a kind of for manufacturing the cold heading die group of dampener sleeve, it is characterised in that: the waste material
Recovering mechanism (13) includes the first waste channel (131) for rushing stick (923) axially through setting along the described 4th, and the described 4th
Ram block (924) is axially through being provided with the second waste channel (132), first waste channel (131) and described second
Waste channel (132) is in same straight line, is provided with reclaiming chamber (133) in pad (922) after the 4th punch die.
7. according to claim 6 a kind of for manufacturing the cold heading die group of dampener sleeve, it is characterised in that: described first
The diameter of waste channel (131) is less than the diameter of second waste channel (132).
8. a kind of for manufacturing the cold heading technique of dampener sleeve, it is characterised in that:
Step 1: a kind of wire rod making dampener sleeve is provided;
Step 2: the wire rod for making dampener sleeve being cut off to form wire blank (14);
Step 3: being the first semi-finished product base that one end forms circular arc by wire blank (14) cold-heading for being used to make dampener sleeve
Expect (15);
Step 4: beat positioning center hole (16) along the arc end of first semi-finished blank (15), thus formed the second half at
Product blank (17);
Step 5: beating central bore away from the one end of the positioning center hole (16) along second semi-finished blank (16)
(18), it is not penetrated through between the positioning center hole (16) and the central bore (18), to form third semi-finished blank
(19);
Step 6: the third semi-finished blank (19) being shaved into logical inner hole waste material, so that in positioning center hole (16) and the center
Hole (18) perforation, to form the 4th semi-finished blank (20);
Step 7: by the bar portion contracting bar of the 4th semi-finished blank (20), intermediate cydariform is preforming, to form the 5th semi-finished product base
Expect (21);
Step 8: by the intermediate cydariform ball upsetting extrusion of the 5th semi-finished blank (21), to form dampener sleeve finished product
(22)。
9. according to claim 1 a kind of for manufacturing the cold heading technique of dampener sleeve, it is characterised in that: the positioning
Centre bore (16) and the central bore (18) are each along central axis direction, and the depth of the positioning center hole (16) is less than
The depth of the central bore (18).
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CN111250933A (en) * | 2020-02-28 | 2020-06-09 | 广州小出钢管有限公司 | Machining method of automotive toothed drum-shaped pipe |
CN111822647A (en) * | 2020-06-05 | 2020-10-27 | 宁波甬微集团有限公司 | Manufacturing method of rolling piston for refrigeration compressor |
CN112517831A (en) * | 2020-11-18 | 2021-03-19 | 嘉善宝岛模具厂(普通合伙) | Guide pin cold heading processing technology |
CN113305264A (en) * | 2021-06-21 | 2021-08-27 | 湖州锐狮标准件制造有限公司 | Waist drum forming process and forming die for chain roller |
CN114769498A (en) * | 2022-04-25 | 2022-07-22 | 诸暨市嘉齐机械有限公司 | Oil pipe joint and production process for same |
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CN113305264A (en) * | 2021-06-21 | 2021-08-27 | 湖州锐狮标准件制造有限公司 | Waist drum forming process and forming die for chain roller |
CN114769498A (en) * | 2022-04-25 | 2022-07-22 | 诸暨市嘉齐机械有限公司 | Oil pipe joint and production process for same |
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