CN109604503A - Ejecting mechanism before cold headers - Google Patents
Ejecting mechanism before cold headers Download PDFInfo
- Publication number
- CN109604503A CN109604503A CN201910062344.8A CN201910062344A CN109604503A CN 109604503 A CN109604503 A CN 109604503A CN 201910062344 A CN201910062344 A CN 201910062344A CN 109604503 A CN109604503 A CN 109604503A
- Authority
- CN
- China
- Prior art keywords
- rocker arm
- rocking bar
- preshoot
- cam
- idler wheel
- 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.)
- Withdrawn
Links
- 230000007246 mechanism Effects 0.000 title claims abstract description 18
- 238000005096 rolling process Methods 0.000 claims abstract description 4
- 238000004080 punching Methods 0.000 description 8
- 238000000034 method Methods 0.000 description 4
- 239000002184 metal Substances 0.000 description 2
- 238000000641 cold extrusion Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
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
- B21J13/08—Accessories for handling work or tools
- B21J13/14—Ejecting devices
Abstract
The invention discloses ejecting mechanisms before cold headers, including main slide unit, preceding logical rocking bar, cam bit and idler wheel, main slide unit makees fore-aft travel setting in fixed carriage saddle, it is characterized by: logical rocking bar is swung on rocking bar fulcrum before described, the cam bit is adjustable to be set on carriage saddle, the cam working face of the idler wheel and cam bit is in rolling contact, idler wheel is installed on preshoot rocker arm, preshoot rocker arm, which is swung, to be set on rocker arm fulcrum, the rocking bar fulcrum, rocker arm fulcrum are installed on the main slide unit, are connected between logical rocking bar and preshoot rocker arm by connecting rod before described；Logical rocking bar, preshoot rocker arm, cam bit and idler wheel are equipped with multiple groups, a preceding pass-out mandril of every group of corresponding cold headers before described.The independent control of a plurality of preceding pass-out mandril of cold headers can be achieved in the present invention, adjust the preceding pass-out actuation time, stroke and initial position of every preceding pass-out mandril can individually, and easy to adjust, to more preferably meet the cold-heading need of work of cold headers.
Description
Technical field
The present invention relates to a kind of cold headers, and in particular to a kind of preceding ejecting mechanism of cold headers.
Background technique
Cold headers be it is a kind of by the various metal wire rods handled well carry out cutting and cold extrusion, make metal wire rod in mold
The equipment of cold-heading molding is rubbed accessory for processing various standards, non-standard fastener and vapour, and purposes is more and more wider.Cold-heading
The preceding ejecting mechanism of machine is used to that pass-out before the workpiece in tool carries out, pass-out before the cold headers of the prior art will to be rushed during cold-heading
Mechanism generally includes master connecting-rod, main slide unit and preceding logical rocker arm, and master connecting-rod one end and main slide unit are articulated and connected, the other end and crankshaft
Connection, crankshaft drive master connecting-rod that main slide unit is pushed to slide back and forth on the table in rotation, realize main slide unit front end placement
The purpose of punching tool and lower die punching press, then, during the return of main slide unit after completing punching press, preceding logical rocker arm will act in time to be come
Workpiece is carried out forward pass-out out of punching tool by pass-out mandril before pushing.Applicant has applied for the patent No. on June 26th, 2012
201220300894.2, the utility model patent of patent name " passing out set before cold headers ", technology solution provided by the patent
The problems such as synchronism present in ejecting mechanism, action stability and preceding pass-out positional accuracy before cold headers of having determined.But it is cold
The preceding logical movement of a plurality of preceding pass-out mandril of upsetting machine cannot be independently controlled, when the preceding pass-out of all preceding pass-out mandrils acts
Between, stroke and initial position it is all just the same, and be limited to the device space and be difficult to be adjusted, be not able to satisfy some special want
The cold-heading need of work for the cold-heading product asked.
Summary of the invention
In view of the shortcomings of the background art, the purpose of the present invention be intended to provide it is a kind of make every preceding pass-out mandril before
Pass-out actuation time, stroke and initial position can individually be adjusted, and easy to adjust, to more preferably meet cold-heading work
Ejecting mechanism before the cold headers needed.
The present invention is implemented by following technical solution:
Ejecting mechanism before cold headers, including main slide unit, preceding logical rocking bar, cam bit and idler wheel, main slide unit is in fixed carriage saddle
Make fore-aft travel setting, it is characterised in that: logical rocking bar, which is swung, before described is set on rocking bar fulcrum, and preceding logical rocking bar passes through after swing
Return spring is resetted, and the cam bit is adjustable to be set on carriage saddle, and the cam working face of the idler wheel and cam bit rolls
Dynamic contact, the idler wheel are installed on preshoot rocker arm, and preshoot rocker arm, which is swung, to be set on rocker arm fulcrum, the rocking bar fulcrum, rocker arm
Fulcrum is installed on the main slide unit, is connected between logical rocking bar and preshoot rocker arm by connecting rod before described；It is logical rocking bar before described, preceding
Rocker arm, cam bit and idler wheel are rushed equipped with multiple groups, a preceding pass-out mandril of every group of corresponding cold headers.
Ejecting mechanism before the cold headers of above-mentioned technical proposal, concrete operating principle are: before main slide unit drives punching tool to complete
During return after impulsion work, idler wheel can be rolled on the cam working face of cam bit, due to the song of cam working face
Line variation, so will lead to the swing of preshoot rocker arm, the swing of preshoot rocker arm before being driven by connecting rod logical rocking bar swing, then before
The lower end forward motion of logical rocking bar, workpiece is carried out forward pass-out out of punching tool by pass-out mandril before pushing；Since correspondence is a plurality of
Preceding pass-out mandril is equipped with preceding logical rocking bar, preshoot rocker arm, cam bit and the idler wheel of multiple groups, and each cam bit is in the longitudinal direction
Position can be adjusted, so corresponding different cam bit position, just has different idler wheels that can touch not in the same time
With cam curve, thus make every preshoot rocker arm started the pendulum time, swing process time, swing angle all can not
Together, then just realize a plurality of preceding pass-out mandril of cold headers independent control, make every preceding pass-out mandril preceding pass-out actuation time,
Stroke and initial position can individually be adjusted, to more preferably meet the cold-heading need of work of cold headers；And by upper
The design stated, cam bit can be located at the top of entire preceding ejecting mechanism, so easy to adjust.
Because there are six cold-heading stations for general cold headers tool, six preceding pass-out mandrils are equipped with, so preferably, before described
Logical rocking bar, preshoot rocker arm, cam bit and idler wheel are equipped with identical six groups.
Additionally as preferred, the preshoot rocker arm is connected by the first screw with connecting rod, the first screw on preshoot rocker arm
Mounting hole is long hole.By above-mentioned design, different from the link position of preshoot rocker arm by the first screw, preshoot rocker arm can be made to exist
Swing equal angular Shi Qiantong rocking bar swing angle also have it is slightly different, and then realize to before each preceding pass-out mandril lead to away from
From fine adjustment function.
There are also preferably, the cam bit passes through the adjustable bottom for being connected to cam fixing seat of the second screw, cam
The second screw mounting hole in fixing seat is long hole, and the cam fixing seat is fixed on the carriage saddle by the support frame of two sides
On.By above-mentioned design, cam bit is located at the top of entire preceding ejecting mechanism, and cam bit is enable to obtain facilitating adjusting,
Preceding pass-out actuation time, stroke and the initial position for allowing for every preceding pass-out mandril can obtain facilitating adjusting, with more preferable real
The independent control of the existing a plurality of preceding pass-out mandril of cold headers.
Detailed description of the invention
The present invention has following attached drawing:
Fig. 1 is the structural diagram of the present invention,
Fig. 2 is that Fig. 1 removes the structure chart after cam fixing seat and frame supported on both sides,
Fig. 3 is that Fig. 2 removes the structure chart after carriage saddle,
Fig. 4 is that Fig. 3 removes the structure chart after main slide unit,
Fig. 5 is the structure chart for leading to rocking bar, preshoot rocker arm, cam bit and idler wheel in Fig. 4 before single group.
Specific embodiment
As shown, ejecting mechanism before cold headers of the invention, including main slide unit 11, preceding logical rocking bar 1, cam bit 6 and rolling
Wheel 5, main slide unit 11 are made fore-aft travel setting in fixed carriage saddle 12 and are pushed by crank, and logical rocking bar 1 is swung before described
On rocking bar fulcrum 2, preceding logical rocking bar 1 is resetted after swing by return spring 10, and the cam bit 6 is adjustable to be set to
On carriage saddle 12, the cam bit 6 passes through the adjustable bottom for being connected to cam fixing seat 14 of the second screw, cam fixing seat 14
On the second screw mounting hole 15 be long hole, the cam fixing seat 14 is fixed on the carriage saddle by the support frames 13 of two sides
On 12.The cam working face of the idler wheel 5 and cam bit 6 is in rolling contact, and the idler wheel 5 is installed on preshoot Rocker arm 4, and preshoot is shaken
Arm 4, which is swung, to be set on rocker arm fulcrum 7, and the rocking bar fulcrum 2, rocker arm fulcrum 7 are fixedly mounted on the main slide unit 11, before described
It is connected between logical rocking bar 1 and preshoot Rocker arm 4 by connecting rod 3, the upper end of connecting rod 3 connects the first screw 9, and the first screw 9 is fixed tightly in
On preshoot Rocker arm 4, the first screw mounting hole 8 on preshoot Rocker arm 4 is long hole；Logical rocking bar 1, preshoot Rocker arm 4, cam bit before described
6 and idler wheel 5 be equipped with six groups, with six that correspond to cold headers preceding pass-out mandrils.
Ejecting mechanism before above-mentioned cold headers, action process are: the main slide unit of crank handle turns is made in fixed carriage saddle
Fore-aft travel, during main slide unit drives punching tool to complete return after preshoot acts, idler wheel can be in the cam work of cam bit
It is rolled on face, due to the curvilinear motion of cam working face, so will lead to the swing of preshoot rocker arm, the swing meeting of preshoot rocker arm
Logical rocking bar is swung before being driven by connecting rod, then before logical rocking bar lower end forward motion, pass-out mandril is by workpiece from punching before pushing
Forward pass-out is carried out in tool；Due to a plurality of preceding pass-out mandril of correspondence be equipped with multiple groups before lead to rocking bar, preshoot rocker arm, cam bit and
Idler wheel, and the position of each cam bit in the longitudinal direction can be adjusted, so corresponding different cam bit position, just
Have different idler wheels that can touch different cam curves in the same time, thus make every preshoot rocker arm started put the time,
Swing process time, swing angle all can be different, are then achieved that the independent control of a plurality of preceding pass-out mandril of cold headers,
Making the preceding pass-out actuation time, stroke and initial position of every preceding pass-out mandril can individually be adjusted.
Claims (4)
1. ejecting mechanism before cold headers, including main slide unit, preceding logical rocking bar, cam bit and idler wheel, main slide unit is in fixed carriage saddle
Inside make fore-aft travel setting, it is characterised in that: logical rocking bar, which is swung, before described is set on rocking bar fulcrum, and preceding logical rocking bar leads to after swing
It crosses return spring to be resetted, the cam bit is adjustable to be set on carriage saddle, the cam working face of the idler wheel and cam bit
It is in rolling contact, the idler wheel is installed on preshoot rocker arm, and preshoot rocker arm, which is swung, to be set on rocker arm fulcrum, and the rocking bar fulcrum shakes
Arm fulcrum is installed on the main slide unit, is connected between logical rocking bar and preshoot rocker arm by connecting rod before described；The preceding logical rocking bar,
Preshoot rocker arm, cam bit and idler wheel are equipped with multiple groups, a preceding pass-out mandril of every group of corresponding cold headers.
2. ejecting mechanism before cold headers as described in claim 1, it is characterised in that: logical rocking bar, preshoot rocker arm, cam before described
Block and idler wheel are equipped with identical six groups.
3. ejecting mechanism before cold headers as claimed in claim 1 or 2, it is characterised in that: the preshoot rocker arm passes through the first spiral shell
Nail is connected with connecting rod, and the first screw mounting hole on preshoot rocker arm is long hole.
4. ejecting mechanism before cold headers as claimed in claim 1 or 2, it is characterised in that: the cam bit passes through the second screw
The bottom for being connected to cam fixing seat is adjusted, the second screw mounting hole in cam fixing seat is long hole, and the cam is fixed
Seat is fixed on the carriage saddle by the support frame of two sides.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910062344.8A CN109604503A (en) | 2019-01-23 | 2019-01-23 | Ejecting mechanism before cold headers |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910062344.8A CN109604503A (en) | 2019-01-23 | 2019-01-23 | Ejecting mechanism before cold headers |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109604503A true CN109604503A (en) | 2019-04-12 |
Family
ID=66018174
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910062344.8A Withdrawn CN109604503A (en) | 2019-01-23 | 2019-01-23 | Ejecting mechanism before cold headers |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109604503A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114101561A (en) * | 2021-09-22 | 2022-03-01 | 浙江东瑞机械工业有限公司 | Seven mould seven towards dysmorphism cold heading make-up machines |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87216062U (en) * | 1987-12-03 | 1988-10-26 | 黄石市锻压机床厂 | Push-off mechanism of automatic cold header |
| DE202006008776U1 (en) * | 2005-06-13 | 2006-08-24 | King-An Industrial Co., Ltd., Jen-Te | Front ejection mechanism for forged articles has first vibration unit to be driven through press device, camshaft, ejection cam unit injection rod |
| CN1895811A (en) * | 2005-07-13 | 2007-01-17 | 金谙工业股份有限公司 | Front surging mechanism of forging component forming device |
| CN201088993Y (en) * | 2007-07-21 | 2008-07-23 | 章北海 | Blanking, feeding and clamping device for screw forming machine |
| CN201161279Y (en) * | 2008-01-14 | 2008-12-10 | 章北海 | Double-lifting structure of parts shaping apparatus |
| CN202606768U (en) * | 2012-06-26 | 2012-12-19 | 浙江东瑞机械工业有限公司 | Cold header front passing-put device |
| CN202741661U (en) * | 2012-08-23 | 2013-02-20 | 宁波思进机械股份有限公司 | Support material device of cold header |
| CN206253566U (en) * | 2016-12-13 | 2017-06-16 | 陈建德 | The preceding passing out set of cold headers |
| CN209632048U (en) * | 2019-01-23 | 2019-11-15 | 浙江东瑞机械工业有限公司 | Ejecting mechanism before cold headers |
-
2019
- 2019-01-23 CN CN201910062344.8A patent/CN109604503A/en not_active Withdrawn
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87216062U (en) * | 1987-12-03 | 1988-10-26 | 黄石市锻压机床厂 | Push-off mechanism of automatic cold header |
| DE202006008776U1 (en) * | 2005-06-13 | 2006-08-24 | King-An Industrial Co., Ltd., Jen-Te | Front ejection mechanism for forged articles has first vibration unit to be driven through press device, camshaft, ejection cam unit injection rod |
| CN1895811A (en) * | 2005-07-13 | 2007-01-17 | 金谙工业股份有限公司 | Front surging mechanism of forging component forming device |
| CN201088993Y (en) * | 2007-07-21 | 2008-07-23 | 章北海 | Blanking, feeding and clamping device for screw forming machine |
| CN201161279Y (en) * | 2008-01-14 | 2008-12-10 | 章北海 | Double-lifting structure of parts shaping apparatus |
| CN202606768U (en) * | 2012-06-26 | 2012-12-19 | 浙江东瑞机械工业有限公司 | Cold header front passing-put device |
| CN202741661U (en) * | 2012-08-23 | 2013-02-20 | 宁波思进机械股份有限公司 | Support material device of cold header |
| CN206253566U (en) * | 2016-12-13 | 2017-06-16 | 陈建德 | The preceding passing out set of cold headers |
| CN209632048U (en) * | 2019-01-23 | 2019-11-15 | 浙江东瑞机械工业有限公司 | Ejecting mechanism before cold headers |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114101561A (en) * | 2021-09-22 | 2022-03-01 | 浙江东瑞机械工业有限公司 | Seven mould seven towards dysmorphism cold heading make-up machines |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20190412 |