CN106040939A - Screw rod positioning and buffering cold upsetting mold - Google Patents
Screw rod positioning and buffering cold upsetting mold Download PDFInfo
- Publication number
- CN106040939A CN106040939A CN201610543794.5A CN201610543794A CN106040939A CN 106040939 A CN106040939 A CN 106040939A CN 201610543794 A CN201610543794 A CN 201610543794A CN 106040939 A CN106040939 A CN 106040939A
- Authority
- CN
- China
- Prior art keywords
- screw rod
- dashpot
- buffer spring
- buffers
- locating piece
- 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.)
- Pending
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
- B21K—MAKING FORGED OR PRESSED METAL PRODUCTS, e.g. HORSE-SHOES, RIVETS, BOLTS OR WHEELS
- B21K1/00—Making machine elements
- B21K1/56—Making machine elements screw-threaded elements
Abstract
The invention discloses a screw rod positioning and buffering cold upsetting mold. The screw rod positioning and buffering cold upsetting mold comprises an upper mold body, an upper buffer spring, an upper buffer block, an upper punching mold, a lower positioning block, a lower buffer block, a lower buffer spring, a lower punching mold and a lower mold body. The screw rod positioning and buffering cold upsetting mold can perform the positioning cold upsetting for a screw rod, straightness and perpendicularity of the screw rod product are stable, and product quality of the screw rod is high; and a buffer device is arranged between the cold upsetting molds, so that the deformation problem caused by collision between the cold upsetting molds is effectively reduced, the cost is saved, and the production efficiency is improved.
Description
[technical field]
The present invention relates to the technical field of cold pier mould, a kind of screw rod location buffers the technology neck of cold pier mould
Territory.
[background technology]
Cold pier belongs to cold-stamped one method, and cold pier mould is male a, mother.The processing of such as standard component, be
Punch press and various mould is utilized to process.The equipment that cold pier uses is Cold header, similar with common crank punch press.Cold
Upsetting is to utilize metal forming at normal temperatures.Using cold heading technique to manufacture securing member, not only efficiency is high, quality is good, and
Materials save, low cost.In prior art, cold upsetting forming die is usually Split type die, i.e. includes head mold and bar portion mould
Tool.There is product linearity and the problem of perpendicularity instability, screw rod product after cold-heading molding in this split type cold upsetting die of car
Linearity and perpendicularity be difficult to control to, have impact on the quality of screw rod product, simultaneously because cold pier mould the most suitably buffers
Design, cause easily colliding between mould deformation, thus affects the quality of screw rod product.
[summary of the invention]
The purpose of the present invention solves the problems of the prior art exactly, proposes a kind of screw rod location and buffers cold pier mould, energy
Enough making screw rod carry out positioning cold pier, the linearity of screw rod product and perpendicularity in cold pier mould stable, screw rod product quality is high,
It is provided with buffer unit between the coldest pier mould, effectively reduces and collide, between cold pier mould, the deformation problems caused, save
Cost, improves production efficiency.
For achieving the above object, the present invention proposes a kind of screw rod location and buffers cold pier mould, including upper die body, upper buffering
Spring, upper buffer stopper, upper trimming die, lower locating piece, lower buffer stopper, lower buffer spring, lower punch, lower mold body, in described upper die body
Being provided with dashpot, described upper buffer spring is arranged in dashpot, is provided with buffering bottom described upper buffer spring
Block, straight down, described upper dashpot opening part is provided with upper mold mounting groove to described upper dashpot opening, and described upper trimming die is installed
In upper mold mounting groove, described upper buffer stopper contacts with upper trimming die top, is provided with detent, institute bottom described upper trimming die
Stating lower mold body and be arranged on immediately below upper die body, be provided with lower punch in described lower mold body, described lower punch top is provided with lower slow
Jet-bedding, is provided with lower buffer spring in described lower dashpot, described lower buffer spring top is provided with lower buffer stopper, described lower slow
Jet-bedding is provided above lower locating slot, and described lower locating piece is arranged in lower locating slot, and the top of described lower locating piece is provided with
Positioning convex, described positioning convex is arranged in detent.
As preferably, described upper dashpot is the cylinder shape groove arranged straight down, the maximum of described upper buffer spring
Distance of stretch out and draw back is more than the degree of depth of upper dashpot, and the bottom shape of described upper buffer stopper is spheroidal.
As preferably, described upper mold mounting groove be shaped as the cone-shaped groove that opening expands straight down, described upper punch
The shape of mould fits like a glove with the shape of upper mold mounting groove, and the top diameter of described upper mold mounting groove is straight more than upper dashpot
Footpath, the top of institute's upper mold mounting groove is horizontal plane.
As preferably, described positioning convex be shaped as annular, described detent be shaped as toroidal cavity.
As preferably, described lower locating piece be internally provided with guiding groove, the bottom that is shaped as of described guiding groove is gradually received
The cone of contracting, the base diameter of described guiding groove is slightly larger than the maximum gauge of screw rod.
As preferably, the quantity of described lower dashpot has multiple, and described lower dashpot is uniformly circumferentially positioned at lower locating piece
Lower section.
As preferably, described detent, upper trimming die, lower locating piece, lower punch vertical centrage on the same line.
Beneficial effects of the present invention: the present invention is by by upper die body, upper buffer spring, upper buffer stopper, upper trimming die, lower location
Block, lower buffer stopper, lower buffer spring, lower punch, lower mold body combine, and through optimum experimental, upper buffer stopper can be effective
Collision between buffering upper trimming die and upper die body, detent coordinates positioning convex to can ensure that between upper die body and lower mold body
Perpendicularity, lower buffer stopper can effectively buffer the collision between lower punch and lower locating piece.The present invention can make screw rod at Leng Dun
Carrying out positioning cold pier, the linearity of screw rod product and perpendicularity in mould stable, screw rod product quality is high, the coldest pier mould it
Between be provided with buffer unit, effectively reduce and collide, between cold pier mould, the deformation problems caused, saved cost, improve life
Produce efficiency.
Inventive feature and advantage will combine accompanying drawing by embodiment and be described in detail.
[accompanying drawing explanation]
Fig. 1 is the structural representation that a kind of screw rod of present invention location buffers cold pier mould.
In figure: buffer stopper under locating piece, 6-under the upper buffer spring of 1-upper die body, 2-, the upper buffer stopper of 3-, 4-upper trimming die, 5-,
Delay under buffer spring, 8-lower punch, 9-lower mold body, the upper dashpot of 10-, 11-upper mold mounting groove, 12-detent, 13-under 7-
Locating slot, 15-positioning convex, 16-guiding groove under jet-bedding, 14-.
[detailed description of the invention]
Refering to Fig. 1, one screw rod of the present invention location buffers cold pier mould, including upper die body 1, upper buffer spring 2, upper buffering
Block 3, upper trimming die 4, lower locating piece 5, lower buffer stopper 6, lower buffer spring 7, lower punch 8, lower mold body 9, arranged in described upper die body 1
There are upper dashpot 10, described upper buffer spring 2 to be arranged in dashpot 10, are provided with slow bottom described upper buffer spring 2
Rushing block 3, straight down, described upper dashpot 10 opening part is provided with upper mold mounting groove 11 to described upper dashpot 10 opening, described
Upper trimming die 4 is arranged in upper mold mounting groove 11, and described upper buffer stopper 3 contacts with upper trimming die 4 top, bottom described upper trimming die 4
Being provided with detent 12, described lower mold body 9 is arranged on immediately below upper die body 1, is provided with lower punch 8, institute in described lower mold body 9
State lower punch 8 top and be provided with lower dashpot 13, lower buffer spring 7, described lower buffering elastic are installed in described lower dashpot 13
Spring 7 top is provided with lower buffer stopper 6, and described lower dashpot 13 is provided above lower locating slot 14, and described lower locating piece 5 is arranged on
In lower locating slot 14, the top of described lower locating piece 5 is provided with positioning convex 15, and described positioning convex 15 is arranged on detent
In 12, described upper dashpot 10 is the cylinder shape groove arranged straight down, and the maximal dilation distance of described upper buffer spring 2 is big
In the degree of depth of upper dashpot 10, the bottom shape of described upper buffer stopper 3 is spheroidal, being shaped as out of described upper mold mounting groove 11
The cone-shaped groove that mouth expands straight down, the shape of described upper trimming die 4 fits like a glove with the shape of upper mold mounting groove 11, described
The top diameter of upper mold mounting groove 11 is more than the diameter of upper dashpot 10, and the top of institute's upper mold mounting groove 11 is horizontal plane, described
Positioning convex 15 be shaped as annular, described detent 12 be shaped as toroidal cavity, the inside of described lower locating piece 5
Be provided with guiding groove 16, described guiding groove 16 be shaped as the cone that gradually tapers up of bottom, the bottom of described guiding groove 16 is straight
Footpath is slightly larger than the maximum gauge of screw rod, and the quantity of described lower dashpot 13 has multiple, and described lower dashpot 13 uniform ring is around setting
In the lower section of lower locating piece 5, described detent 12, upper trimming die 4, lower locating piece 5, lower punch 8 vertical centrage same
On straight line.
Work process of the present invention:
The present invention is by by upper die body 1, upper buffer spring 2, upper buffer stopper 3, upper trimming die 4, lower locating piece 5, lower buffer stopper
6, lower buffer spring 7, lower punch 8, lower mold body 9 combine, and through optimum experimental, upper buffer stopper 3 can effectively buffer
Collision between punch die 4 and upper die body 1, detent 12 coordinates positioning convex 15 to can ensure that between upper die body 1 and lower mold body 9
Perpendicularity, lower buffer stopper 6 can effectively buffer the collision between lower punch 8 and lower locating piece 5.The present invention can make screw rod exist
Carrying out positioning cold pier, the linearity of screw rod product and perpendicularity in cold pier mould stable, screw rod product quality is high, the coldest pier mould
It is provided with buffer unit between tool, effectively reduces and collide, between cold pier mould, the deformation problems caused, saved cost, improve
Production efficiency.
Above-described embodiment is the description of the invention, is not limitation of the invention, any to simple transformation of the present invention after
Scheme belong to protection scope of the present invention.
Claims (7)
1. a screw rod location buffers cold pier mould, it is characterised in that: include upper die body (1), upper buffer spring (2), upper buffering
Block (3), upper trimming die (4), lower locating piece (5), lower buffer stopper (6), lower buffer spring (7), lower punch (8), lower mold body (9), institute
Be provided with dashpot (10) in stating upper die body (1), in described upper buffer spring (2) is arranged on dashpot (10), described on
Buffer spring (2) bottom buffer stopper (3) is installed, described upper dashpot (10) opening straight down, described upper dashpot
(10) opening part is provided with upper mold mounting groove (11), and described upper trimming die (4) is arranged in upper mold mounting groove (11), described upper buffering
Block (3) contacts with upper trimming die (4) top, and described upper trimming die (4) bottom is provided with detent (12), described lower mold body (9)
Being arranged on immediately below upper die body (1), be provided with lower punch (8) in described lower mold body (9), described lower punch (8) top is provided with
Lower dashpot (13), is provided with lower buffer spring (7) in described lower dashpot (13), described lower buffer spring (7) top is installed
Having lower buffer stopper (6), described lower dashpot (13) to be provided above lower locating slot (14), described lower locating piece (5) is arranged on down
In locating slot (14), the top of described lower locating piece (5) is provided with positioning convex (15), and described positioning convex (15) is arranged on fixed
In position groove (12).
2. a kind of screw rod location as claimed in claim 1 buffers cold pier mould, it is characterised in that: described upper dashpot (10) is
The cylinder shape groove arranged straight down, deep more than upper dashpot (10) of the maximal dilation distance of described upper buffer spring (2)
Degree, the bottom shape of described upper buffer stopper (3) is spheroidal.
3. a kind of screw rod location as claimed in claim 1 buffers cold pier mould, it is characterised in that: described upper mold mounting groove (11)
Be shaped as the cone-shaped groove that opening expands straight down, the shape of the shape of described upper trimming die (4) and upper mold mounting groove (11)
Shape fits like a glove, and the top diameter of described upper mold mounting groove (11) is more than the diameter of upper dashpot (10), institute's upper mold mounting groove
(11) top is horizontal plane.
4. a kind of screw rod location as claimed in claim 1 buffers cold pier mould, it is characterised in that: described positioning convex (15)
Be shaped as annular, described detent (12) be shaped as toroidal cavity.
5. a kind of screw rod location as claimed in claim 1 buffers cold pier mould, it is characterised in that: described lower locating piece (5)
Be internally provided with guiding groove (16), described guiding groove (16) be shaped as the cone that gradually tapers up of bottom, described guiding groove
(16) base diameter is slightly larger than the maximum gauge of screw rod.
6. a kind of screw rod location as claimed in claim 1 buffers cold pier mould, it is characterised in that: described lower dashpot (13)
Quantity has multiple, and described lower dashpot (13) is uniformly circumferentially positioned at the lower section of lower locating piece (5).
7. a kind of screw rod location as claimed in claim 1 buffers cold pier mould, it is characterised in that: described detent (12),
Upper trimming die (4), lower locating piece (5), lower punch (8) vertical centrage on the same line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610543794.5A CN106040939A (en) | 2016-07-07 | 2016-07-07 | Screw rod positioning and buffering cold upsetting mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610543794.5A CN106040939A (en) | 2016-07-07 | 2016-07-07 | Screw rod positioning and buffering cold upsetting mold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106040939A true CN106040939A (en) | 2016-10-26 |
Family
ID=57185997
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610543794.5A Pending CN106040939A (en) | 2016-07-07 | 2016-07-07 | Screw rod positioning and buffering cold upsetting mold |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106040939A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108907055A (en) * | 2018-07-25 | 2018-11-30 | 浙江鼎盛汽车紧固件有限公司 | A kind of cold pier mold of screw rod positioning taken out convenient for screw rod |
| CN108941414A (en) * | 2018-07-25 | 2018-12-07 | 浙江鼎盛汽车紧固件有限公司 | A kind of bolt cold upsetting die that cooling performance is good |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003136182A (en) * | 2001-10-31 | 2003-05-14 | Kuriyama Hyakuzo:Kk | Method and apparatus for manufacturing bolt |
| CN102284665A (en) * | 2011-08-29 | 2011-12-21 | 瑞标集团有限公司 | Cold-heading die for sealing bolt |
| CN202668818U (en) * | 2012-08-14 | 2013-01-16 | 宁波华众模具制造有限公司 | Positioning device for mold assembly |
| CN104493043A (en) * | 2014-12-24 | 2015-04-08 | 舟山市7412工厂 | Cold heading punching die |
| CN104525830A (en) * | 2014-12-01 | 2015-04-22 | 温州科腾紧固件有限公司 | Elbow expansion bolt manufacturing process |
| CN204470515U (en) * | 2015-02-02 | 2015-07-15 | 瑞安市瑞春标准件有限公司 | Bolt upsetting molding jig |
| CN205289630U (en) * | 2016-01-22 | 2016-06-08 | 中航动力株洲航空零部件制造有限公司 | Cold -heading mould of pole class part |
| CN205798303U (en) * | 2016-07-07 | 2016-12-14 | 浙江鼎盛汽车紧固件有限公司 | A kind of screw rod location buffers cold pier mould |
-
2016
- 2016-07-07 CN CN201610543794.5A patent/CN106040939A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003136182A (en) * | 2001-10-31 | 2003-05-14 | Kuriyama Hyakuzo:Kk | Method and apparatus for manufacturing bolt |
| CN102284665A (en) * | 2011-08-29 | 2011-12-21 | 瑞标集团有限公司 | Cold-heading die for sealing bolt |
| CN202668818U (en) * | 2012-08-14 | 2013-01-16 | 宁波华众模具制造有限公司 | Positioning device for mold assembly |
| CN104525830A (en) * | 2014-12-01 | 2015-04-22 | 温州科腾紧固件有限公司 | Elbow expansion bolt manufacturing process |
| CN104493043A (en) * | 2014-12-24 | 2015-04-08 | 舟山市7412工厂 | Cold heading punching die |
| CN204470515U (en) * | 2015-02-02 | 2015-07-15 | 瑞安市瑞春标准件有限公司 | Bolt upsetting molding jig |
| CN205289630U (en) * | 2016-01-22 | 2016-06-08 | 中航动力株洲航空零部件制造有限公司 | Cold -heading mould of pole class part |
| CN205798303U (en) * | 2016-07-07 | 2016-12-14 | 浙江鼎盛汽车紧固件有限公司 | A kind of screw rod location buffers cold pier mould |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108907055A (en) * | 2018-07-25 | 2018-11-30 | 浙江鼎盛汽车紧固件有限公司 | A kind of cold pier mold of screw rod positioning taken out convenient for screw rod |
| CN108941414A (en) * | 2018-07-25 | 2018-12-07 | 浙江鼎盛汽车紧固件有限公司 | A kind of bolt cold upsetting die that cooling performance is good |
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| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20161026 |