CN104439008B - It is applicable to the die assembly of cold headers - Google Patents
It is applicable to the die assembly of cold headers Download PDFInfo
- Publication number
- CN104439008B CN104439008B CN201410714225.3A CN201410714225A CN104439008B CN 104439008 B CN104439008 B CN 104439008B CN 201410714225 A CN201410714225 A CN 201410714225A CN 104439008 B CN104439008 B CN 104439008B
- Authority
- CN
- China
- Prior art keywords
- push rod
- mold base
- guide way
- quiet mold
- guide channel
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Classifications
-
- 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
-
- 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
- B21J13/08—Accessories for handling work or tools
- B21J13/14—Ejecting devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21K—MAKING FORGED OR PRESSED METAL PRODUCTS, e.g. HORSE-SHOES, RIVETS, BOLTS OR WHEELS
- B21K1/00—Making machine elements
- B21K1/44—Making machine elements bolts, studs, or the like
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21K—MAKING FORGED OR PRESSED METAL PRODUCTS, e.g. HORSE-SHOES, RIVETS, BOLTS OR WHEELS
- B21K1/00—Making machine elements
- B21K1/64—Making machine elements nuts
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
- Forging (AREA)
Abstract
The invention belongs to cold headers technical field, particularly relate to a kind of die assembly being applicable to cold headers.It solve the technical problems such as prior art is not reasonable.Including the guide way being arranged on cold headers in column, the guide channel axially through guide way it is provided with in guide way, in guide channel, one end is provided with the quiet mold base in column, the first position limiting structure it is provided with between guide way and quiet mold base, quiet mold base outer end is provided with forming tank, is provided with the through hole axially penetrating through quiet mold base in forming tank, is equipped with ejector sleeve in through hole, connect on push rod and have ejecting mechanism, between ejecting mechanism and quiet mold base, be provided with reset assembly.Advantage is compared with prior art: 1, meter is rationally, and simple in construction is hardly damaged, and maintenance cost is low.2, automaticity is high, reduces the labor intensity of employee.3, part replacement is convenient, and cost of parts is changed relatively low.4, structural strength is high, and service life is long.5, good operating stability, uses reliable, safety.
Description
Technical field
The invention belongs to cold headers technical field, particularly relate to a kind of cold headers that are applicable to
Die assembly.
Background technology
Cold headers are to be that main being specifically used to produces the fastenings such as nut bolt in batches with pier
The special equipment of part, utilizes the mould forging side at normal temperatures to metal bar material upsetting formation
Method.Cold headers the most the earliest stem from Germany, develop the purpose master of cold headers at that time
If in order to manufacture cartridge case the most in a large number.In prior art, die of cold heading machine
Design not reasonable, mould is the most easily damaged, has a strong impact on the normal of product
Processing, more likely damages cold headers, and enterprise causes great loss.
Such as, Chinese patent literature disclose a kind of bolt cold-header [application number:
201120117055.2], including body, heading slide block, moulding box, drive mechanism, this
It is bright that by mould and moulding box being separated, the mould being opposite in moulding box is finely adjusted location, with
Shi Caiyong fine-adjustment positioning method carries out location and adjusts moulding box, makes mould the most smart with heading
The most relatively, registration, the product quality precision of production is good, and yield rate is high, and sliding to heading
Block improves, and is changed into liftable heading, is convenient for changing mould heading, simultaneously mould
Heading is also adopted by leveling and adjusting method, and liftable heading substantially reduces the song of crankshaft-link rod
Shaft length, adds operation torque, and effect is good.
The Design of Dies used in above-mentioned bolt cold-header is not reasonable, and mould is in work
In easily damaged, it is therefore desirable to the mould that a kind of replacement cost is relatively low, though burn failure
Also the mould that cold headers damage it is not result in.
Summary of the invention
It is an object of the invention to for the problems referred to above, it is provided that a kind of reasonable in design, structure letter
Single, it is hardly damaged, what maintenance cost was low is applicable to the die assembly of cold headers.
For reaching above-mentioned purpose, present invention employs following technical proposal: be originally applicable to cold
The die assembly of upsetting machine, it is characterised in that include for being arranged on cold headers in column
Guide way, be provided with the guide channel axially through guide way in described guide way,
In guide channel, one end is provided with the quiet mold base in column, described guide way and quiet mould
It is provided with between Zuo and is prevented from quiet mold base axially to the first limit guiding passage end removal
Bit architecture, described quiet mold base outer end is provided with the forming tank for cold-heading Workpiece shaping,
It is provided with the through hole axially penetrating through quiet mold base in described forming tank, is equipped with in through hole
For the ejector sleeve that workpiece after cold-heading is released, described push rod connects and has and can drive
Push rod is made to move axially the ejecting mechanism releasing workpiece, described kickoff mechanism under mechanism's effect
The reset assembly that ejecting mechanism can be made to reset it is provided with between structure and quiet mold base.
The above-mentioned die assembly be applicable to cold headers, the first described position limiting structure
It is prevented from quiet mold base and removes including arranging guide channel outer end medial part axially outward and lead
To the first annular boss of passage, described quiet mold base the inner sidepiece is provided with can be with first
The second annular boss that annular boss matches.
The above-mentioned die assembly be applicable to cold headers, described ejecting mechanism includes
Being arranged on the guide channel other end is pushing away of can moving axially in guide channel of column
Seat, the described seat that pushes away is provided with push rod, and described push rod one end is connected with pushing away seat, described
Push rod the inner be connected by top rod limiting structure with the push rod other end.
The above-mentioned die assembly be applicable to cold headers, described top rod limiting structure
Including being arranged on the extension rod of push rod outer end concentric, the diameter of axle of described extension rod is less than
The diameter of axle of push rod, and extension rod is connected as a single entity structure with push rod, described push rod is inner
It is set on extension rod.
The above-mentioned die assembly be applicable to cold headers, described reset assembly includes
Being set in the back-moving spring that push rod is peripheral, described back-moving spring one end is resisted against and pushes away on seat,
The back-moving spring other end is resisted against on the annular concave platform that quiet mold base is inner.
The above-mentioned die assembly be applicable to cold headers, described back-moving spring encloses
Being provided with equally distributed at least three gag lever posts of circumference centered by push rod, described is spacing
Bar one end is plugged in and pushes away on seat, the radial spacing between every described gag lever post and push rod
And the radius spacing between push rod and back-moving spring internal diameter adapts, described back-moving spring
Periphery is arranged with annular sleeve.
Push rod described in the above-mentioned die assembly being applicable to cold headers is near pushing away seat
One end is provided with convex annular edge, and described convex annular is along being resisted against the gag lever post other end
On.
Offer on guide way described in the above-mentioned die assembly being applicable to cold headers
It is prevented from guide way circumference or the stopper slot of axially displacement.
The above-mentioned die assembly be applicable to cold headers, described annular sleeve and guiding
It is additionally provided with cannelure on the outer part of body.
The above-mentioned die assembly be applicable to cold headers, described push rod is hollow pipe
Shape body.
Compared with prior art, the advantage of the die assembly being originally applicable to cold headers is:
1, meter is rationally, and simple in construction is hardly damaged, and maintenance cost is low.2, automaticity
Height, reduces the labor intensity of employee.3, part replacement is convenient, and cost of parts is changed
Relatively low.4, structural strength is high, and service life is long.5, good operating stability, use can
Lean on, safety.
Accompanying drawing explanation
Fig. 1 is the structural representation that the present invention provides.
Fig. 2 is the external structure schematic diagram that the present invention provides.
Fig. 3 is the structural representation of the ejecting mechanism that the present invention provides.
Fig. 4 is the partial structurtes schematic diagram that the present invention provides.
In figure, guide way 1, guide channel 2, quiet mold base 3, mould position limiting structure 4,
Forming tank 31, through hole 32, push rod 5, ejecting mechanism 6, reset assembly the 7, first ring
Shape boss the 41, second annular boss 42, push away seat 61, push rod 62, top rod limiting structure
63, extension rod 64, back-moving spring 71, gag lever post 72, annular sleeve 73, convex annular edge
51, stopper slot 1a, cannelure 1b.
Detailed description of the invention
With detailed description of the invention the present invention done further details of theory below in conjunction with the accompanying drawings
Bright.
As Figure 1-4, originally it is applicable to the die assembly of cold headers, including for installing
Guide way 1 in column on cold headers, is provided with axially through guide way 1 in guide way 1
Guide channel 2, in guide channel 2, one end is provided with the quiet mold base 3 in column, leads
To being provided with between body 1 and quiet mold base 3, to be prevented from quiet mold base 3 axially logical to guiding
The mould position limiting structure 4 of one end, road 2 removal, quiet mold base 3 outer end is provided with for cold-heading
The forming tank 31 of Workpiece shaping, is provided with in forming tank 31 and axially penetrates through quiet mold base 3
Through hole 32, is equipped with the push rod 5 that workpiece is released after by cold-heading, top in through hole 32
Connect on bar 5 and have and push rod 5 can be made under drive mechanism effect to move axially release workpiece
Ejecting mechanism 6, be provided with between ejecting mechanism 6 and quiet mold base 3 and can make kickoff mechanism
The reset assembly 7 that structure 6 resets, push rod 5 is hollow tubular body.
Mould position limiting structure 4 includes that arranging guide channel 2 outer end medial part is prevented from quiet
Mold base 3 removes the first annular boss 41 of guide channel 2, quiet mold base axially outward
3 inner sidepieces are provided with the second annular boss 42 that can match with first annular boss 41；
Ejecting mechanism 6 includes that being arranged on guide channel 2 other end is that column can be at guide channel
Inside move axially pushes away seat 61, pushes away seat 61 and is provided with push rod 62, and push rod 62 is positioned at and pushes away seat
In the middle part of in the of 61, push rod 62 one end is connected with pushing away seat 61, and push rod 5 is inner another with push rod 62
One end is connected by top rod limiting structure 63.
Top rod limiting structure 63 includes the extension rod being arranged on push rod 62 outer end concentric
64, the diameter of axle of extension rod 64 is less than the diameter of axle of push rod 62, and extension rod 64 and push rod
62 are connected as a single entity structure, and push rod 5 the inner is set on extension rod 64；Reset assembly 7
Including being set in the back-moving spring 71 of push rod 62 periphery, back-moving spring 71 one end is resisted against
Pushing away on seat 61, the annular that back-moving spring 71 other end is resisted against quiet mold base 3 the inner is recessed
On platform, back-moving spring 71 encloses that to be provided with centered by push rod 62 circumference equally distributed extremely
Few three gag lever posts 72, gag lever post 72 one end is plugged in and pushes away on seat 61, every gag lever post
Between radial spacing and push rod 62 and back-moving spring 71 internal diameter between 72 and push rod 62
Radius spacing adapt, back-moving spring 71 periphery is arranged with annular sleeve 73；Push rod 5
Being provided with convex annular near the one end pushing away seat 61 along 51, convex annular can be resisted against along 51
On gag lever post 72 other end, guide way 1 offers be prevented from guide way 1 circumference or
Axially the stopper slot 1a of displacement, the outer part of annular sleeve 73 and guide way 1 is additionally provided with
Cannelure 1b.
Specific embodiment described herein is only to present invention spirit theory for example
Bright.Those skilled in the art can be to described specific embodiment
Make various amendment or supplement or use similar mode to substitute, but without departing from
The spirit of the present invention or surmount scope defined in appended claims.
Although the most more employ guide way 1, guide channel 2, quiet mold base 3,
Mould position limiting structure 4, forming tank 31, through hole 32, push rod 5, ejecting mechanism 6, multiple
Hyte part 7, first annular boss the 41, second annular boss 42, push away seat 61, push rod
62, top rod limiting structure 63, extension rod 64, back-moving spring 71, gag lever post 72, ring
Shape set 73, convex annular along 51, the term such as stopper slot 1a, cannelure 1b, but do not arrange
Except the probability using other term.Use these terms to be only used to more easily to retouch
State and explain the essence of the present invention；Being construed as any additional restriction is all
Contrary with spirit of the present invention.
Claims (3)
1. the die assembly being applicable to cold headers, it is characterised in that include for pacifying
It is contained on cold headers the guide way (1) in column, in described guide way (1), is provided with axle
To the guide channel (2) of through guide way (1), in guide channel (2), one end sets
There are the quiet mold base (3) in column, described guide way (1) and quiet mold base (3)
Between be provided with and be prevented from quiet mold base (3) and axially remove to guide channel (2) one end
Mould position limiting structure (4), described quiet mold base (3) outer end is provided with for cold-heading work
The forming tank (31) of part molding, is provided with in described forming tank (31) and axially penetrates through quiet mould
The through hole (32) of tool seat (3), is equipped with work after by cold-heading in through hole (32)
The push rod (5) that part is released, the upper connection of described push rod (5) has and can make in drive mechanism
Push rod (5) is made to move axially the ejecting mechanism (6) releasing workpiece, described release under with
It is provided with between mechanism (6) and quiet mold base (3) and ejecting mechanism (6) can be made to reset
Reset assembly (7), ejecting mechanism (6) includes being arranged on guide channel (2) other end
Can move axially in guide channel in column pushes away seat (61), and described pushes away seat (61)
Being provided with push rod (62), described push rod (62) one end is connected with pushing away seat (61), institute
The push rod (5) stated is inner passes through top rod limiting structure (63) with push rod (62) other end
Being connected, it is coaxial that described top rod limiting structure (63) includes being arranged on push rod (62) outer end
The extension rod (64) of the heart, the diameter of axle of described extension rod (64) is less than push rod (62)
The diameter of axle, and extension rod (64) is connected as a single entity structure with push rod (62), described top
Bar (5) the inner is set on extension rod (64), and described reset assembly (7) includes
It is set in the back-moving spring (71) that push rod (62) is peripheral, described back-moving spring (71)
One end is resisted against and pushes away on seat (61), and back-moving spring (71) other end is resisted against quiet mould
On the annular concave platform that seat (3) is inner, described back-moving spring (71) encloses and is provided with to push away
Equally distributed at least three gag lever posts (72) of circumference, described limit centered by bar (62)
Bar (72) one end, position is plugged in and pushes away on seat (61), every described gag lever post (72)
With the radial spacing between push rod (62) is interior with push rod (62) and back-moving spring (71)
Radius spacing between footpath adapts, and described back-moving spring (71) periphery is arranged with ring
Shape set (73), described push rod (5) is provided with annular near the one end pushing away seat (61)
Convex edge (51), described convex annular along (51) can be resisted against gag lever post (72) another
On end, described guide way (1) offers be prevented from guide way (1) circumference or
The axially stopper slot (1a) of displacement, described push rod (5) is hollow tubular body.
The die assembly being applicable to cold headers the most according to claim 1, its feature
Being, described mould position limiting structure (4) includes arranging in guide channel (2) outer end
Sidepiece is prevented from quiet mold base (3) and removes the first of guide channel (2) axially outward
Annular boss (41), the inner sidepiece of described quiet mold base (3) is provided with can be with the first ring
The second annular boss (42) that shape boss (41) matches.
The die assembly being applicable to cold headers the most according to claim 1, its feature
It is, described annular sleeve (73) and the outer part of guide way (1) are additionally provided with annular
Groove (1b).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410714225.3A CN104439008B (en) | 2014-11-30 | 2014-11-30 | It is applicable to the die assembly of cold headers |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410714225.3A CN104439008B (en) | 2014-11-30 | 2014-11-30 | It is applicable to the die assembly of cold headers |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104439008A CN104439008A (en) | 2015-03-25 |
| CN104439008B true CN104439008B (en) | 2017-01-04 |
Family
ID=52886199
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410714225.3A Expired - Fee Related CN104439008B (en) | 2014-11-30 | 2014-11-30 | It is applicable to the die assembly of cold headers |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104439008B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105067709A (en) * | 2015-07-15 | 2015-11-18 | 常州市常超电子研究所有限公司 | Probe support mechanism |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1223503A (en) * | 1969-07-22 | 1971-02-24 | Olympic Screw & Rivet Corp | Double-blow cold header |
| JP2002307127A (en) * | 2001-04-16 | 2002-10-22 | Ogawa Kogyo Kk | Cylindrical formed body manufacturing method, and cylindrical formed body manufactured by the manufacturing method |
| CN201432077Y (en) * | 2009-03-27 | 2010-03-31 | 成都飞机工业（集团）有限责任公司 | First heading male die for self-locking screw nut of cold heading dual-lug support plate |
| CN202701249U (en) * | 2012-08-13 | 2013-01-30 | 苏州工业园区新凯精密五金有限公司 | Pushing ejector pin material-receiving master mold structure in production of stair-typed products |
| CN202951819U (en) * | 2012-08-13 | 2013-05-29 | 苏州工业园区新凯精密五金有限公司 | Post-positioned spring sliding mold structure |
| CN204276772U (en) * | 2014-11-30 | 2015-04-22 | 浙江超龙汽车零部件有限公司 | Be applicable to the die assembly of cold headers |
-
2014
- 2014-11-30 CN CN201410714225.3A patent/CN104439008B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN104439008A (en) | 2015-03-25 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170104 Termination date: 20171130 |
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| CF01 | Termination of patent right due to non-payment of annual fee |