CN108284193A - A kind of separate assembling finish forge mould - Google Patents
A kind of separate assembling finish forge mould Download PDFInfo
- Publication number
- CN108284193A CN108284193A CN201711493836.XA CN201711493836A CN108284193A CN 108284193 A CN108284193 A CN 108284193A CN 201711493836 A CN201711493836 A CN 201711493836A CN 108284193 A CN108284193 A CN 108284193A
- Authority
- CN
- China
- Prior art keywords
- mould
- plate
- rack
- guide
- finish forge
- 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
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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
- B21J13/02—Dies or mountings therefor
- B21J13/03—Die mountings
-
- 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
- B21J13/085—Accessories for handling work or tools handling of tools
Abstract
The present invention relates to molds, more particularly to a kind of separate assembling finish forge mould comprising upper mold, lower pre- mould top, lower whole mould, lower whole mould top, lower mould bottom plate, guide-rail plate, rack-plate, analyzing rod, movable plate, actuating mechanism, gear, rack ejector beam, pulls plate at lower pre- mould；It is characterized in that：The upper mold setting is fluted, upper mold is oriented to the position limited with the position of lower pre- mould and with lower whole mould by analyzing rod, under pre- mould and lower whole mould be fixed on the upper and lower baffle plate of lower mould bottom plate and be engaged on guide-rail plate, one end is fixed with actuating mechanism, the rack-plate is embedding to be fallen on guide-rail plate, rack-plate is engaged with gear, and the engagement of wheel and rack ejector beam pulls plate and mutually fixed with rack-plate, guide-rail plate.Using being forged after technical solution of the present invention, precision height, quality are good, eliminate mechanical processing, time saving, laborsaving, material saving is efficient, solves flashing problems, and improves the service life of mold.
Description
Technical field
The present invention relates to forging mold technical fields, are specifically related to a kind of separate assembling finish forge mould.
Background technology
With the development of forging industry, the application of forging part is more and more extensive, in the prior art some complicated forgings
Modeling has in use, will produce overlap on the part of forging；Often there is also the defect of quality, the blank of workpiece needs
It wants complicated machine cut processing, workload to increase, there is many chipping allowances, waste of material amount is big, and cost increases；In addition it forges
It makes pressure powerful stress impact is generated to mold and be inevitable, mold is deformed under strong stress, influences mould
The structure and precision of tool also affect the service life of die life, and certain economic loss is brought to user.
Invention content
The purpose of the present invention is：Raising forging is realized for insufficient a kind of finish forge mould structure of offer in the prior art
Quality, reduce machining amount with reduce material waste and workload, solve flashing problems, reduce mold stresses deformation,
Improve die life.
In order to achieve the above object, the present invention uses following technical scheme：
A kind of separate assembling finish forge mould, including upper mold, lower pre- mould, lower pre- mould top, lower whole mould, lower whole mould top, lower mould bottom plate,
Guide-rail plate, rack-plate, analyzing rod, movable plate, actuating mechanism, gear, rack ejector beam, pull plate；The upper mold is provided with recessed
Slot, the position of whole mould under upper mold is oriented to the position of pre- mould under restriction and is limited by analyzing rod, the lower pre- mould top is embedding to be fallen
Under on pre- mould, the lower pre- mould is provided with taper hole, and taper hole is tapered, and upper section product is more than lower section and accumulates, and the lower whole mould top is embedding
It falls on lower whole mould, endoporus is provided in the lower whole mould, hole size is forging products size, and lower pre- mould and lower whole mould are fixed
All excavation has movable plate, lower mould bottom plate to be engaged on guide-rail plate in lower mould bottom plate, in bearing's lower mould bottom plate, one end and action
Mechanism is fixed, and can be horizontally slipped by the drive of actuating mechanism, and described guide-rail plate one end is provided with liftout mouth, and rack is provided below
Ejector beam, the rack-plate is embedding to be fallen on guide-rail plate, and rack-plate is engaged with gear down, and gear side is nibbled with rack ejector beam
It closes, described pull is provided with sliding elongated slot and is mutually fixed with one side of rack-plate on plate, pull plate one is also fixed on guide rail
On plate, it can be pushed and pulled using this fixed point as fulcrum and pull plate and rack-plate is driven to move left and right, the cunning of motion track and lower mould bottom plate
Dynamic rail mark is parallel, and when pulling plate and pulling rack-plate to move to right to the right, rack-plate then turn right by band moving gear, gear band carry-over bar again
Ejector beam moves up ejection forging.
Job order of the present invention is：Actuating mechanism movement lower mould bottom plate makes lower pre- mould under upper mold, is led by analyzing rod
To, and limit progress pre-forging after accurate location is measured, stress deformation caused by forging and stamping is alleviated since lower pre- mould is tapered, separately
Outside since upper mold is arranged fluted, excess stock overflows, and is not required to trimming, is moved in upper mold after the completion of pre-forging under analyzing rod is detached from
Pre- mould, then actuating mechanism push lower mould bottom plate to lower pre- mould above liftout mouth, then easily pull hand using lever principle
Pulling plate moves right to drive rack-plate to move right, and rack-plate band moving gear is turned right, and is pushed up on gear band carry-over bar ejector beam
Movable plate ejects pre- forging, pre- forging is put into the endoporus of lower whole mould, recycles lever principle easily to pull and pulls plate to moving to left
It moves that rack-plate is driven to be moved to the left return, rack-plate band moving gear turns left, and gear band carry-over bar ejector beam moves down return.So
Actuating mechanism movement lower mould bottom plate makes lower whole mould under upper mold afterwards, is oriented to by analyzing rod, and limited after measuring accurate location
Finish-forging is carried out, due to there is blocking, finish-forging forging amount is small, and pre- forging is tapered, and it is high that finish-forging deforms small quality, equal to having modified
Size, forging dimensional accuracy height need not be machined out again, time saving and energy saving, saved material.After the completion of finish-forging, upper mold moves up
It is detached from lower whole mould to analyzing rod, then actuating mechanism pushes lower mould bottom plate above liftout mouth, then to recycle thick stick to lower whole mould
The light pulling of rod principle pulls plate and moves right to drive rack-plate to move right, and rack-plate band moving gear is turned right, gear band
On carry-over bar ejector beam push up movable plate eject finish-forging part, finally recycle lever principle easily pull pull plate be moved to the left to
Rack-plate is driven to be moved to the left return, rack-plate band moving gear turns left, and gear band carry-over bar ejector beam moves down return, prepares forging
Next forging.It is fixed simultaneously with rack-plate and guide-rail plate due to pulling plate, and, as fulcrum, to be utilized with guide-rail plate bearing
Lever principle can it is easy, easily effortlessly pull and pull plate, and the containing of rack-plate and guide-rail plate to pull when pulling plate,
Rack-plate can not possibly be detached from guide-rail plate, and to ensure that engaging for rack-plate and gear, making rack-plate, reliably band moving gear rotates.
In addition use actuating mechanism, lower mould bottom plate and guide-rail plate be engaged sliding equipment, play leverage pull plate and rack-plate
And the combination of the drive mechanism of gear, keep the installing, move of forging mold, depanning convenient and efficient time saving and energy saving, efficient；Lower die
The occlusion of bottom plate and guide-rail plate is arranged, that is, has played guiding movement, and makes the pressing mold effect for having downward when depanning liftout, saves
The fixing devices such as bolt cause the replacement, easy for installation, quick of mold.The arrangement of guide-rail plate can fix lower mould bottom plate and
Rack-plate has played buffer board again, and impact of the mold to forging and stamping machine worktable, has extended forging press when reducing forging and stamping
Service life, split into lower pre- mould and lower pre- mould top, lower whole mould and lower whole mould top additionally, due to complicated mold, reduce
The difficulty of mold processing.
As preferred：
Further, the taper a of the taper hole is：0°≤a≤5°.
Further, the analyzing rod setting quantity is 1-3.
Further, the actuating mechanism uses electric pushrod.
Further, the actuating mechanism uses hydraulic mechanism.
Further, the actuating mechanism uses pneumatic mechanism.
Further, the movable plate is tapered, and upper section product is more than lower section and accumulates.
Further, the guide-rail plate is provided with travel switch, and 2-4 block limited blocks are provided in the lower mould bottom plate.
Further, the limited block is rotatable.
Using the advantageous effect after above-mentioned technical proposal:
1, using becoming smaller to the impact stress of mold after lower pre- mould, lower whole die combination forging, to which die deformation is small, in conjunction with taper hole
On taper, make that forging precision is high, quality is good, eliminate machining operation, time saving, laborsaving, material saving, and improve mold
The service life in service life.
2, fluted using upper mold setting, excess stock overflows, and trimming is not required to, without flashing problems.
3, the setting being engaged using lower mould bottom plate and guide-rail plate, that is, played guiding movement, and make to have when depanning liftout
Downward pressing mold effect, eliminates the fixing devices such as bolt, causes the replacement, easy for installation, quick of mold.
4, use actuating mechanism, rise leverage pull plate engaged with rack-plate and rack-plate engaged with gear with
And wheel and rack ejector beam engagement setting, lower mould bottom plate guide-rail plate occlusion structure after, make forging mold installation, move
It is dynamic, depanning is convenient and efficient, time saving and energy saving, efficient.
5, the setting of guide-rail plate can fix lower mould bottom plate and rack-plate has played buffer board again, when reducing forging and stamping
Impact of the mold to forging and stamping machine worktable, has extended the service life of forging press.
6, travel switch is used, makes movement precisely, reliably, it will not maloperation mold damage.
7, since complicated mold is split into lower pre- mould and lower pre- mould top, lower whole mould and lower whole mould top, mold is reduced
The difficulty of processing.
Description of the drawings
Fig. 1 is the front view of the present invention
Fig. 2 is the vertical view of Fig. 1
Fig. 3 is the A-A sectional views of Fig. 1
In figure：1, lower pre- mould, 2, upper mold, 3, analyzing rod, 4, lower whole mould, 5, movable plate, 6, travel switch, 7, gear, 8, rack
Ejector beam, 9, actuating mechanism, 10, lower mould bottom plate, 11, guide-rail plate, 12, rack-plate, 13, liftout mouth, 14, limited block, 15, recessed
Slot, 16, endoporus, 17, taper hole, 18, pull plate, 19, sliding elongated slot, under 20 pre- mould top, 21 time end mould tops.
Specific implementation mode
Below with reference to attached drawing, invention is further described in detail.
As shown in Figs. 1-3, the present invention is a kind of separate assembling finish forge mould, including upper mold 2, lower pre- mould 1, lower pre- mould top
20, lower whole mould 4, lower whole mould top 21, lower mould bottom plate 10, guide-rail plate 11, rack-plate 12, analyzing rod 3, movable plate 5, actuating mechanism 9,
Gear 7, rack ejector beam 8, pull plate 18；The upper mold 2 is arranged fluted 15, and upper mold 2 is oriented to pre- under restriction by analyzing rod 3
The position of mould 1 and the position for limiting lower whole mould 4, the lower pre- mould top 20 is embedding to be fallen on lower pre- mould 1, and the lower pre- mould 1 is set
It is equipped with taper hole 17, taper hole 17 is tapered, and upper section product is more than lower section and accumulates, and the lower whole mould top 21 is embedding to be fallen on lower whole mould 4,
Endoporus 16 is provided in the lower whole mould 4,16 size of endoporus is forging products size, and lower pre- mould 1 and lower whole mould 4 are fixed on lower die
On bottom plate 10, in bearing's lower mould bottom plate 10 all excavate there is movable plate 5, lower mould bottom plate 10 to be engaged on guide-rail plate 11, one end with
Actuating mechanism 9 is fixed, and can be horizontally slipped by the drive of actuating mechanism 9, and 11 one end of the guide-rail plate is provided with liftout mouth 13, below
It is provided with rack ejector beam 8, the rack-plate 12 is embedding to be fallen in guide-rail plate 11, and rack-plate 12 is engaged with gear 7 down, gear 7
Side is engaged with rack ejector beam 8, and described pull is provided with sliding elongated slot 19 and is mutually fixed with 12 1 side of rack-plate on plate 18,
Pull plate 18 one is also fixed on guide-rail plate 11, can be pushed and pulled using this fixed point as fulcrum and pull plate 18 and drive rack-plate 12
It moves left and right, motion track is parallel with the sliding trace of lower mould bottom plate 10, pulls plate 18 and draws to the right, rack-plate 12 is pulled to move to right
When, rack-plate 12 is turned right with moving gear 7, and band carry-over bar ejector beam 8 moves up ejection forging to gear 7 again.
In order to improve forging precision, the taper a of taper hole 17 is：When 0 ° of a≤5 °, blocking product after finish-forging, forging without
It needs to machine, precision, quality are more preferable.
To ensure that the stability of mold, analyzing rod 3 are arranged 1-3,3 best results.
According to spatial position and field condition in actual use, actuating mechanism 9 can be selected using electric pushrod, hydraulic press
Structure or pneumatic mechanism.
In order to ensure that lower mould bottom plate 10 is slided reliable accessible, movable plate 5 is tapered, and upper section product is more than lower section and accumulates,
In order to avoid falling off.
In order to ensure that 10 shift position of lower mould bottom plate is accurate, in case error damage mold, guide-rail plate 11 are provided with stroke and open
6 are closed, 2-4 blocks limited block 14 is provided in the lower mould bottom plate 10, limited block 14 is rotatable, when needs are in the position of stopping
It installs limited block 14 and rotates its edge and exceed 10 edge of lower mould bottom plate, to be in contact with travel switch 6, travel switch
6 signals are transmitted to actuating mechanism 9 to be stopped immediately, and limited block 14, which resets, when need not stop does not interfere travel switch 6.
When normal work, actuating mechanism 9, which moves lower mould bottom plate 10, makes lower pre- mould 1 under upper mold 2, and travel switch 6 contacts
Signal is transmitted to actuating mechanism 9 after limited block 14 immediately to stop, being then oriented to by analyzing rod 3, and is limited after measuring accurate location
Position carries out pre-forging, and stress deformation caused by forging and stamping are alleviated since lower pre- mould 1 is tapered is provided with recessed additionally, due to upper mold 2
Slot 15, excess stock overflow, and are not required to trimming, move to pre- mould 1 under analyzing rod 3 is detached from after the completion of pre-forging in upper mold 2, then act
Mechanism 9 pushes lower mould bottom plate 10 to lower pre- mould 1 above liftout mouth 13, and travel switch 6 is transmitted to signal after contacting limited block 14
Actuating mechanism 9 stops immediately, then pulls rack-plate 12 to move right by pulling plate 18, and rack-plate 12 is turned right with moving gear 7,
Gear 7 ejects pre- forging with top movable plate 5 on carry-over bar ejector beam 8, pre- forging is put into the endoporus 16 of lower whole mould 4, passes through hand
Pulling plate 18 pulls rack-plate 12 to be moved to the left return, and rack-plate 12 turns left with moving gear 7, and gear 7 is under carry-over bar ejector beam 8
It is moved back to position.Then actuating mechanism 9, which moves lower mould bottom plate 10, makes lower whole mould 4 under upper mold 2, and travel switch 6 contacts limited block 14
Signal is transmitted to actuating mechanism 9 afterwards immediately to stop, being then oriented to by analyzing rod 3, and progress is limited eventually after measuring accurate location
Forging, due to there is blocking, finish-forging forging amount is small, and pre- forging is tapered, and it is high that finish-forging deforms small quality, equal to having modified size,
Forging dimensional accuracy height need not be machined out again, time saving and energy saving, saved material.After the completion of finish-forging, survey is moved in upper mold 2
Fixed pole 3 is detached from lower whole mould 4, and then actuating mechanism 9 pushes lower mould bottom plate 10 to lower whole mould 4 above liftout mouth 13, travel switch
Signal is transmitted to actuating mechanism 9 after 6 contact limited blocks 14 immediately to stop, then pulls rack-plate 12 to move right by pulling plate 18
Dynamic, rack-plate 12 is turned right with moving gear 7, and gear 7 ejects finish-forging part with top movable plate 5 on carry-over bar ejector beam 8, finally by
Pulling plate 18 pulls rack-plate 12 to be moved to the left return, and rack-plate 12 turns left with moving gear 7, and gear 7 is under carry-over bar ejector beam 8
It is moved back to position, prepares to forge next forging.Fixed simultaneously with rack-plate 12 and guide-rail plate 11 due to pulling plate 18, and with guide rail
11 bearing of plate is fulcrum, be utilized lever principle can it is easy, easily effortlessly pull and pull plate 18, and rack-plate 12 and lead
When the containing of rail plate 11 makes pulling pull plate 18, rack-plate 12 can not possibly be detached from guide-rail plate 11, to ensure that rack-plate 12
With engaging for gear 7, making rack-plate 12, reliably band moving gear 7 rotates.In addition actuating mechanism 9, lower mould bottom plate 10 are used and is led
The occlusion sliding equipment of rail plate 11, the combination for pulling plate 18 and the drive mechanism of rack-plate 12 and gear 7 for playing leverage,
Keep the installing, move of forging mold, depanning convenient and efficient time saving and energy saving, efficient；The occlusion of lower mould bottom plate 10 and guide-rail plate 11 is set
It sets, that is, has played guiding movement, and make the pressing mold effect for having downward when depanning liftout, eliminate the fixing devices such as bolt, cause
Make the replacement, easy for installation, quick of mold.The arrangement of guide-rail plate 11 can fix lower mould bottom plate 10 and rack-plate 12 and rise slow
The effect of punching, impact of the mold to forging and stamping machine worktable, has extended the service life of forging press, in addition when reducing forging and stamping
Since complicated mold is split into lower pre- mould and lower pre- mould top, lower whole mould and lower whole mould top, the difficulty of mold processing is reduced.
The present invention is not limited to the above embodiments, and all technical solutions formed using equivalent replacement or equivalence replacement belong to this
The claimed range of invention.
Claims (9)
1. a kind of separate assembling finish forge mould, it is characterised in that：Including upper mold（2）, lower pre- mould（1）, lower pre- mould top（20）, under
Whole mould（4）, lower whole mould top（21）, lower mould bottom plate（10）, guide-rail plate（11）, rack-plate（12）, analyzing rod（3）, movable plate（5）、
Actuating mechanism（9）, gear（7）, rack ejector beam（8）, pull plate（18）；The upper mold（2）It is arranged fluted（15）, upper mold
（2）Pass through analyzing rod（3）It is oriented to pre- mould under limiting（1）Position and limit lower whole mould（4）Position, the lower pre- mould top
（20）It is embedding to fall in lower pre- mould（1）On, the lower pre- mould（1）It is provided with taper hole（17）, taper hole（17）Tapered, upper section product is more than
Lower section accumulates, the lower whole mould top（21）It is embedding to fall in lower whole mould（4）On, the lower whole mould（4）Inside it is provided with endoporus（16）, endoporus
（16）Size is forging products size, lower pre- mould（1）With lower whole mould（4）It is fixed on lower mould bottom plate（10）Upper, bearing's lower die bottom
Plate（10）On all excavate have movable plate（5）, lower mould bottom plate（10）It is engaged in guide-rail plate（11）On, one end and actuating mechanism（9）Gu
It is fixed, the guide-rail plate（11）One end is provided with liftout mouth（13）, rack ejector beam is provided below（8）, the rack-plate（12）It is embedding
It falls in guide-rail plate（11）On, rack-plate（12）Down and gear（7）Engagement, gear（7）Side and rack ejector beam（8）It nibbles
It closes, it is described to pull plate（18）On be provided with sliding elongated slot（19）And and rack-plate（12）One side is mutually fixed, and plate is pulled（18）'s
One is also fixed on guide-rail plate（11）On.
2. a kind of separate assembling finish forge mould according to claim 1, it is characterised in that：The taper hole（17）Taper
A is：0°a≤5°.
3. a kind of separate assembling finish forge mould according to claim 1, it is characterised in that：The analyzing rod（3）Setting
Quantity is 1-3.
4. a kind of separate assembling finish forge mould according to claim 1, it is characterised in that：The actuating mechanism（9）It adopts
Use electric pushrod.
5. a kind of separate assembling finish forge mould according to claim 1, it is characterised in that：The actuating mechanism（9）It adopts
Use hydraulic mechanism.
6. a kind of separate assembling finish forge mould according to claim 1, it is characterised in that：The actuating mechanism（9）It adopts
Use pneumatic mechanism.
7. a kind of separate assembling finish forge mould according to claim 1, it is characterised in that：The movable plate（5）There is cone
Degree, upper section product are more than lower section and accumulate.
8. a kind of separate assembling finish forge mould according to claim 1, it is characterised in that：The guide-rail plate（11）Setting
There is travel switch（6）, 2-4 block limited blocks are provided in the lower mould bottom plate 10（14）.
9. a kind of separate assembling finish forge mould according to claim 8, it is characterised in that：The limited block（14）It can turn
It is dynamic.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711493836.XA CN108284193A (en) | 2017-12-31 | 2017-12-31 | A kind of separate assembling finish forge mould |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711493836.XA CN108284193A (en) | 2017-12-31 | 2017-12-31 | A kind of separate assembling finish forge mould |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108284193A true CN108284193A (en) | 2018-07-17 |
Family
ID=62832087
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711493836.XA Pending CN108284193A (en) | 2017-12-31 | 2017-12-31 | A kind of separate assembling finish forge mould |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108284193A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110064704A (en) * | 2019-05-25 | 2019-07-30 | 浙江建申电器有限公司 | A kind of device for realizing quadrupole square shaft integration riveted |
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| GB252195A (en) * | 1925-05-18 | 1927-05-05 | Baptiste Vaurs | Improvements in or relating to stamping dies |
| CN2087116U (en) * | 1991-01-31 | 1991-10-23 | 张钦杉 | Automatic control decice for charge and discharge of single-point welding |
| CN1494964A (en) * | 2002-08-20 | 2004-05-12 | 精工爱普生株式会社 | Forging punch head, precision forging method and method for mfg. liquid-jetting head |
| JP2006159284A (en) * | 2004-12-03 | 2006-06-22 | Sakamura Mach Co Ltd | Attaching and detaching device of die |
| CN2882843Y (en) * | 2006-01-27 | 2007-03-28 | 湖北三环锻压机床有限公司 | Gear-rack link gear for knockout of bended workpieces |
| CN202894171U (en) * | 2012-11-02 | 2013-04-24 | 上海运良企业发展有限公司 | Mold structure of thin web plate fork-shaped shell forge piece |
| CN203865962U (en) * | 2014-05-29 | 2014-10-08 | 张山 | Auxiliary device for emergency repair of cars |
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2017
- 2017-12-31 CN CN201711493836.XA patent/CN108284193A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB252195A (en) * | 1925-05-18 | 1927-05-05 | Baptiste Vaurs | Improvements in or relating to stamping dies |
| CN2087116U (en) * | 1991-01-31 | 1991-10-23 | 张钦杉 | Automatic control decice for charge and discharge of single-point welding |
| CN1494964A (en) * | 2002-08-20 | 2004-05-12 | 精工爱普生株式会社 | Forging punch head, precision forging method and method for mfg. liquid-jetting head |
| JP2006159284A (en) * | 2004-12-03 | 2006-06-22 | Sakamura Mach Co Ltd | Attaching and detaching device of die |
| CN2882843Y (en) * | 2006-01-27 | 2007-03-28 | 湖北三环锻压机床有限公司 | Gear-rack link gear for knockout of bended workpieces |
| CN202894171U (en) * | 2012-11-02 | 2013-04-24 | 上海运良企业发展有限公司 | Mold structure of thin web plate fork-shaped shell forge piece |
| CN203865962U (en) * | 2014-05-29 | 2014-10-08 | 张山 | Auxiliary device for emergency repair of cars |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110064704A (en) * | 2019-05-25 | 2019-07-30 | 浙江建申电器有限公司 | A kind of device for realizing quadrupole square shaft integration riveted |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180717 |
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| RJ01 | Rejection of invention patent application after publication |