CN206690581U - A kind of stroke of a press and height of packing compact governor motion - Google Patents
A kind of stroke of a press and height of packing compact governor motion Download PDFInfo
- Publication number
- CN206690581U CN206690581U CN201720316293.3U CN201720316293U CN206690581U CN 206690581 U CN206690581 U CN 206690581U CN 201720316293 U CN201720316293 U CN 201720316293U CN 206690581 U CN206690581 U CN 206690581U
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- elbow lever
- eccentric shaft
- worm screw
- connecting rod
- eccentric
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Abstract
The utility model discloses a kind of stroke of a press in forcing press field and height of packing compact governor motion, including fuselage crossbeam, being horizontally disposed with fuselage crossbeam has rotatable bent axle, connecting rod is provided with the rod journal of bent axle, the end of connecting rod has been respectively articulated with upper elbow lever and lower elbow lever, the lower end of lower elbow lever is hinged with the guide pillar being vertically movable, guide pillar lower end is provided with sliding block, upper elbow lever is corresponded on fuselage crossbeam and is provided with rotatable eccentric shaft, eccentric shaft is parallel with the rotation axis of bent axle, upper elbow lever upper end is fixedly connected with the eccentric segment of eccentric shaft, the main shaft section of eccentric shaft is arranged with worm gear, rotatable worm screw is provided with fuselage crossbeam, worm axis and eccentric shaft rotation axis are perpendicular, worm gear intermeshes with worm screw, one end of worm screw is connected with rotary drive mechanism.The utility model can arbitrarily adjust the stroke and height of packing compact of press ram, the automatic mould for adapting to different size and various sizes of workpiece, easy to adjust, time saving and energy saving.
Description
Technical field
The utility model belongs to forcing press field, more particularly to a kind of stroke of a press and height of packing compact governor motion.
Background technology
In the prior art, there are a kind of high force increasing ratio triangular coupling rod-Elbow-bar Transfer Mechanism of servo-pressing machine, its patent application
Number：201010572167.7；The applying date：2010.12.03；Its structure includes servomotor, upper pin, upper elbow lever, triangle and connected
Bar, crank, middle bearing pin, lower elbow lever, unloading cylinder, knockout cylinder, the wherein output shaft of servomotor pass through transmission mechanism and song
Handle is connected, and drives crank-motion, and crank is connected with connecting rod, and drivening rod is swung, and connecting rod is connected with upper elbow lever and lower elbow lever respectively,
And upper elbow lever is hingeably secured on fuselage, lower elbow lever by wedge-shaped overload protection block and unloading cylinder with can be along guide rail set by fuselage
The sliding block up and down reciprocatingly to be moved along a straight line by servo-control system setting kinematics characteristic is connected, and the length of upper elbow lever and lower elbow lever is not
Together, it is asymmetric toggle link, connecting rod is delta link.When the mechanism works, servomotor driving crank-motion, crank handle turns connect
Bar is swung, and connecting rod drives upper elbow lever to swing, and upper elbow lever drives lower elbow lever to swing, and lower elbow lever band movable slider moves back and forth up and down；Its
It is disadvantageous in that：The slider stroke and height of packing compact of the forcing press can not be adjusted, and can not meet different size diel
With the requirement of workpiece to be punched, there is limitation in forcing press.
In the prior art, there is a kind of press slide stroke regulating device, its structure includes being arranged on the inclined of crankshaft end
Concentric mechanism, eccentric stiffener include eccentric bushing and adjusting set, and bias is set on bent axle, passes through end face between adjusting set and eccentric bushing
Tooth connects.The bias and the fixation bias of bent axle of the device eccentric bushing reconfigure to form another bias, change the bias of bent axle
Away from so as to adjust the slider stroke of forcing press and height of packing compact, it is disadvantageous in that：Due to leading between adjusting set and eccentric bushing
The interruption end-tooth connection at the certain phase angle of super-interval, therefore eccentric bushing can only rotate in certain phase angle, the bias of bent axle
, can not be according to the stroke and forcing press of any adjusting slider of mould and workpiece of different size away from that can only change within the specific limits
Height of packing compact, appoint so limitation be present；The manually operated setting-up eccentricity set on bent axle, regulation is not convenient enough, wastes time and energy；Partially
The heart covers to be connected between adjusting set by end-tooth, and structural instability, the moment of torsion that crank rotation is formed can twist off end-tooth, hold
Easily break down.
Utility model content
The purpose of this utility model is to provide a kind of stroke of a press and height of packing compact governor motion, can arbitrarily adjust pressure
The stroke and height of packing compact of power machine sliding block, the automatic mould for adapting to different size and various sizes of workpiece, regulation is more convenient, saves
Shi Shengli.
What the purpose of this utility model was realized in：A kind of stroke of a press and height of packing compact governor motion, including machine
Body crossbeam, being horizontally disposed with fuselage crossbeam has rotatable bent axle, and connecting rod, the end of connecting rod are provided with the rod journal of bent axle
Upper elbow lever and lower elbow lever have been respectively articulated with, the lower end of lower elbow lever is hinged with the guide pillar being vertically movable, and guide pillar lower end is provided with sliding block,
Upper elbow lever is corresponded on the fuselage crossbeam and is provided with rotatable eccentric shaft, eccentric shaft is parallel with the rotation axis of bent axle, institute
State upper elbow lever upper end to be fixedly connected with the eccentric segment of eccentric shaft, the main shaft section of eccentric shaft is arranged with worm gear, on the fuselage crossbeam
Rotatable worm screw is provided with, worm axis and eccentric shaft rotation axis are perpendicular, and the worm gear intermeshes with worm screw, worm screw
One end and rotary drive mechanism be connected.
When forcing press works, crank rotation drivening rod is swung, and connecting rod drives upper elbow lever to turn around the rotation axis of eccentric shaft
Dynamic, connecting rod drives lower elbow lever to swing, and lower elbow lever drives and moved under guide pillar in the vertical direction, and guide pillar band movable slider is up and down reciprocatingly transported
It is dynamic；When adjusting slider stroke and height of packing compact, rotary drive mechanism drives eccentric shaft turns, rotary shaft of the upper elbow lever around eccentric shaft
String pendulum moves, upper elbow lever be arranged on eccentric shaft eccentric segment on, eccentric shaft with respect to bent axle change in angular position, upper elbow lever drive under
Toggle link is swung, and lower elbow lever drives guide pillar to move up and down, and the sliding block of guide pillar lower end changes in the position of vertical direction, sliding block and lower mould
The distance between plate changes, and press die-filling height is adjusted, and bent axle work band movable slider moves back and forth up and down, forcing press
Stroke is also adjusted.Compared with prior art, the beneficial effects of the utility model are：Rotary drive mechanism drives eccentric shaft
360 ° freely rotate, and in the extent of the error of eccentric shaft, the upper elbow lever on eccentric segment can be any with respect to the angle position of bent axle
Change, upper elbow lever is swung, and drives guide pillar to move up and down by lower elbow lever, the position of sliding block can freely be adjusted, relative to bias
Set and adjusting set can only adjust the eccentric throw of bent axle in the range of certain angle, and the height of packing compact of forcing press realizes any tune
Section, slide position can arbitrarily be adjusted, and the slider stroke of forcing press also achieves freely any regulation, while can change pressure
The pressurize scope of machine bottom dead centre；Rotary drive mechanism drives eccentric shaft turns, to change the slider stroke of forcing press and die-filling height
Degree, regulation are more convenient；Worm gear is set in the main shaft section of eccentric shaft, and worm and wheel engagement, fuselage arrangement is compact, saves empty
Between, Stability Analysis of Structures.The utility model can be used for the stroke and height of packing compact for adjusting toggle press.
As further improvement of the utility model, the fuselage crossbeam includes parallel front and rear panels, and foreboard is with after
Two pieces of parallel worm screw supporting plates are provided between plate, worm screw supporting plate is vertical with foreboard, the both ends difference rotational support of worm screw
In corresponding worm screw supporting plate, worm axis are parallel with foreboard.Worm screw is horizontally arranged between two worm screw supporting plates, fuselage arrangement
It is compacter, save space.
As further improvement of the utility model, the rotary drive mechanism includes the system being arranged in worm screw supporting plate
Dynamic motor, the output end of braking motor are provided with sprocket wheel one, and worm screw passes through one end of corresponding worm screw supporting plate to be provided with sprocket wheel two,
Sprocket wheel is connected once chain and sprocket wheel two.Braking motor band movable sprocket one rotates, and sprocket wheel one passes through chain-driving sprocket wheel two
Rotate, worm screw drives worm gear wheel, and worm gear drives eccentric shaft turns, and to adjust the angle of upper elbow lever, braking motor can be rapid
Braking, avoid eccentric shaft turns after the angle position change of upper elbow lever, it is ensured that slider stroke and the height of packing compact regulation of forcing press
It is relatively reliable, degree of regulation is improved, avoids the stroke of a press after regulation and height of packing compact from error being present.
As further improvement of the utility model, the eccentric shaft includes two along the symmetrical bias of rotation axis
Section, upper elbow lever are made up of two blocks of parallel side plates and the intermediate plate that biside plate is connected as a single entity, and biside plate upper end is coaxially arranged with
Mounting hole, biside plate upper end are respectively sleeved on the corresponding eccentric segment of eccentric shaft by mounting hole.The symmetrical structure of upper elbow lever makes
It is more stable to obtain its structure, is be hinged between upper elbow lever and lower elbow lever, connecting rod, eccentric shaft turns change the angle of upper elbow lever
During position, the support performance of upper elbow lever is more preferable, and overall structure is more stable；Crank rotation, upper elbow lever and lower elbow are driven by connecting rod
When bar is swung, the overall structure of upper elbow lever, connecting rod and lower elbow lever is more stable.
As further improvement of the utility model, part of the eccentric shaft between two eccentric segments is big footpath main shaft
Section, the part positioned at each eccentric segment opposite side is path main shaft section；Worm gear is set in big footpath main shaft section, and worm gear is positioned at centre
Above plate.Worm gear is arranged in big footpath main shaft section, and worm screw drives worm gear wheel, and worm gear is more put down when driving eccentric shaft turns process
Surely, overall structure is more stable.
As further improvement of the utility model, the connecting rod includes connecting rod head one, connecting rod head two and by connecting rod head
One and the shaft that is connected as a single entity of connecting rod head two, connecting rod head one be connected with bent axle, connecting rod head two is fixedly connected including two pieces with shaft
Side support plate, supported on both sides plate is parallel to each other, and reinforcement end plate is provided between supported on both sides plate, is set between supported on both sides plate
There is the bearing pin parallel with eccentric shaft rotation axis, the biside plate lower end of upper elbow lever is hinged on bearing pin, and lower elbow lever upper end is hinged
In the middle part of bearing pin, the biside plate of upper elbow lever is symmetrically distributed in the left and right sides of lower elbow lever.Bearing pin is arranged between supported on both sides plate,
Two supporting plates and strengthen being formed hollow between end plate, alleviate the weight of connecting rod, reduce required for bent axle drivening rod swings
Driving torque；The biside plate of upper elbow lever is hinged on bearing pin, and lower elbow lever is also articulated on bearing pin, compact-sized, upper elbow lever and
Lower elbow lever is not interfere with each other when swinging；Connecting rod head two plays good support effect to upper elbow lever, lower elbow lever, strengthens end plate and enhances
The support strength of supported on both sides plate.
After preventing adjusting slider stroke and height of packing compact, eccentric shaft turns cause degree of regulation inaccurate, described inclined
Locking cylinder is correspondingly arranged on above the path main shaft section of mandrel, the piston rod end of locking cylinder is provided with and eccentric shaft phase
The latch segment matched somebody with somebody.After regulating press die-filling height, eccentric shaft compression is prevented eccentric shaft from turning by latch segment on locking cylinder
It is dynamic.
Brief description of the drawings
Fig. 1 is the structural representation of the utility model fuselage crossbeam.
Fig. 2 is the cross-sectional view of fuselage crossbeam.
Fig. 3 is the enlarged drawing at C in Fig. 2.
Fig. 4 is Fig. 2 sectional view along AA.
Fig. 5 is Fig. 2 BB to sectional view.
Fig. 6 is the structural representation of eccentric shaft.
Fig. 7 is the structural representation of upper elbow lever and eccentric shaft.
Fig. 8 is the structural representation of connecting rod.
Fig. 9 is the structural representation of upper elbow lever and lower elbow lever.
Figure 10 is dimensional structure diagram of the present utility model.
Wherein, 1 fuselage crossbeam, 1a foreboards, 1b back plates, 2 bent axles, 3 connecting rods, 301 connecting rod heads one, 302 shafts, 303 connecting rods
First two, 303a side support plates, 303b strengthen end plate, and 4 upper elbow levers, 401 side plates, 402 intermediate plates, 5 lower elbow levers, 6 guide pillars, 7 is eccentric
Axle, 701 eccentric segments, 702 big footpath main shaft sections, 703 path main shaft sections, 8 worm gears, 9 worm screws, 10 worm screw supporting plates, 11 braking motors,
12 sprocket wheels one, 13 sprocket wheels two, 14 steps, 15 bearing pins, 16 locking cylinders, 16a latch segments.
Embodiment
It is a kind of stroke of a press and height of packing compact governor motion such as Fig. 1-10, including fuselage crossbeam 1, on fuselage crossbeam 1
It is horizontally disposed to have rotatable bent axle 2, connecting rod 3 is provided with the rod journal of bent axle 2, the end of connecting rod 3 has been respectively articulated with
Toggle link 4 and lower elbow lever 5, the lower end of lower elbow lever 5 are hinged with the guide pillar 6 being vertically movable, and the lower end of guide pillar 6 is provided with sliding block, and fuselage is horizontal
Upper elbow lever 4 is corresponded on beam 1 and is provided with rotatable eccentric shaft 7, eccentric shaft 7 is parallel with the rotation axis of bent axle 2, upper elbow lever 4
Upper end is fixedly connected with the eccentric segment 701 of eccentric shaft 7, and the main shaft section of eccentric shaft 7 is arranged with worm gear 8, is provided with fuselage crossbeam 1
Rotatable worm screw 9, the axis of worm screw 9 and the rotation axis of eccentric shaft 7 are perpendicular, and worm gear 8 intermeshes with worm screw 9, and the one of worm screw 9
End is connected with rotary drive mechanism.Fuselage crossbeam 1 includes parallel foreboard 1a and back plate 1b, between foreboard 1a and back plate 1b
Two pieces of parallel worm screw supporting plates 10 are provided with, worm screw supporting plate 10 is vertical with foreboard 1a, the both ends difference rotational support of worm screw 9
In corresponding worm screw supporting plate 10, the axis of worm screw 9 is parallel with foreboard 1a.The rotary drive mechanism includes being arranged on worm screw support
Braking motor 11 on plate 10, the output end of braking motor 11 are provided with sprocket wheel 1, and worm screw 9 passes through corresponding worm screw supporting plate 10
One end be provided with sprocket wheel 2 13, sprocket wheel 1 is connected through chain and sprocket wheel 2 13.Eccentric shaft 7 includes two along rotary shaft
The symmetrical eccentric segment 701 of line, upper elbow lever 4 is by two blocks of parallel side plates 401 and the intermediate plate that biside plate 401 is connected as a single entity
402 compositions, the upper end of biside plate 401 are coaxially arranged with mounting hole, and the upper end of biside plate 401 is respectively sleeved at eccentric shaft by mounting hole
On 7 corresponding eccentric segment 701.Part of the eccentric shaft 7 between two eccentric segments 701 is big footpath main shaft section 702, positioned at each bias
The part of 701 opposite sides of section is path main shaft section 703；Worm gear 8 is set in big footpath main shaft section 702, and worm gear 8 is located at intermediate plate
402 tops.Connecting rod 3 includes connecting rod head 1, connecting rod head 2 303 and connecting rod head 1 and connecting rod head 2 303 is linked as into one
The shaft 302 of body, connecting rod head 1 are connected with bent axle 2, and connecting rod head 2 303 is fixedly connected collateral including two pieces with shaft 302
Fagging 303a, supported on both sides plate 303a is parallel to each other, is provided between supported on both sides plate 303a and strengthens end plate 303b, supported on both sides
The bearing pin 15 parallel with the rotation axis of eccentric shaft 7 is provided between plate 303a, the lower end of biside plate 401 of upper elbow lever 4 is hinged on
On bearing pin 15, the upper end of lower elbow lever 5 is hinged on the middle part of bearing pin 15, and the biside plate 401 of upper elbow lever 4 is symmetrically distributed in a left side for lower elbow lever 5
Right both sides.The top of path main shaft section 703 of eccentric shaft 7 is correspondingly arranged on locking cylinder 16, the piston rod end of locking cylinder 16
It is provided with the latch segment 16a to match with eccentric shaft 7.
When forcing press works, bent axle 2 rotates drivening rod 3 and swung, and connecting rod 3 drives upper elbow lever 4 around the rotary shaft of eccentric shaft 7
Line rotates, and connecting rod 3 drives lower elbow lever 5 to swing, and lower elbow lever 5 drives and moved under the in the vertical direction of guide pillar 6, and guide pillar 6 is with movable slider
Pump；When adjusting slider stroke and height of packing compact, braking motor 11 rotates with movable sprocket 1, and sprocket wheel 1 passes through
Chain-driving sprocket wheel 2 13 rotates, and worm screw 9 drives worm gear 8 to rotate, and worm gear 8 drives eccentric shaft 7 to rotate, and upper elbow lever 4 is around eccentric shaft 7
Rotation axis swing, upper elbow lever 4 be arranged on eccentric shaft 7 eccentric segment 701 on, eccentric shaft 7 with respect to bent axle 2 angle position become
Change, upper elbow lever 4 drives lower elbow lever 5 to swing, and lower elbow lever 5 drives guide pillar 6 to move up and down, and the sliding block of the lower end of guide pillar 6 is in vertical direction
Position change, the distance between sliding block and lower template change, press die-filling height is adjusted, bent axle 2 work drive cunning
Block moves back and forth up and down, and the stroke of forcing press is also adjusted.The advantages of mechanism, is：Worm and gear drives eccentric shaft 7 can
Freely rotated with 360 °, in the extent of the error of eccentric shaft 7, the angle position of the relative bent axle 2 of upper elbow lever 4 on eccentric segment 701
Can arbitrarily it change, upper elbow lever 4 is swung, and drives guide pillar 6 to move up and down by lower elbow lever 5, and the position of sliding block can freely be adjusted,
The eccentric throw of bent axle can only be adjusted in the range of certain angle relative to eccentric bushing and adjusting set, the height of packing compact of forcing press is realized
Any regulation, slide position can arbitrarily be adjusted, and the slider stroke of forcing press also achieves freely any regulation, while can be with
Change the pressurize scope of forcing press bottom dead centre；Worm and gear drives eccentric shaft 7 to rotate, to change the slider stroke of forcing press and dress
Mould height, regulation are more convenient；Worm gear 8 is set in the big footpath main shaft section 702 of eccentric shaft 7, and worm screw 9 engages with worm gear 8, fuselage cloth
Office is compact, saves space, Stability Analysis of Structures.Mechanism can be used for the stroke and height of packing compact for adjusting toggle press.
The utility model is not limited to above-described embodiment, on the basis of technical scheme disclosed in the utility model, this
The technical staff in field is according to disclosed technology contents, it is not necessary to which performing creative labour can is special to some of which technology
Sign makes some and replaces and deform, and these are replaced and deformed in the scope of protection of the utility model.
Claims (7)
1. a kind of stroke of a press and height of packing compact governor motion, including fuselage crossbeam, being horizontally disposed with fuselage crossbeam has and can turn
Dynamic bent axle, connecting rod is provided with the rod journal of bent axle, the end of connecting rod has been respectively articulated with upper elbow lever and lower elbow lever, lower elbow lever
Lower end be hinged with the guide pillar being vertically movable, guide pillar lower end is provided with sliding block, it is characterised in that on corresponding on the fuselage crossbeam
Toggle link is provided with rotatable eccentric shaft, and eccentric shaft is parallel with the rotation axis of bent axle, the upper elbow lever upper end and eccentric shaft
Eccentric segment be fixedly connected, the main shaft section of eccentric shaft is arranged with worm gear, and rotatable worm screw, snail are provided with the fuselage crossbeam
Rod axis and eccentric shaft rotation axis are perpendicular, and the worm gear intermeshes with worm screw, one end of worm screw and rotary drive mechanism
Drive connection.
2. a kind of stroke of a press according to claim 1 and height of packing compact governor motion, it is characterised in that the fuselage
Crossbeam includes parallel front and rear panels, and two pieces of parallel worm screw supporting plates, worm screw supporting plate are provided between front and rear panels
Vertical with foreboard, the both ends of worm screw are rotatably supported in corresponding worm screw supporting plate respectively, and worm axis are parallel with foreboard.
3. a kind of stroke of a press according to claim 2 and height of packing compact governor motion, it is characterised in that the rotation
Drive mechanism includes the braking motor being arranged in worm screw supporting plate, and the output end of braking motor is provided with sprocket wheel one, and worm screw is worn
The one end for crossing corresponding worm screw supporting plate is provided with sprocket wheel two, and sprocket wheel is connected once chain and sprocket wheel two.
4. a kind of stroke of a press and height of packing compact governor motion, its feature according to claim 1-3 any one exist
Include two along the symmetrical eccentric segment of rotation axis in, the eccentric shaft, upper elbow lever is by two blocks of parallel side plates and by two
The intermediate plate composition that side plate is connected as a single entity, biside plate upper end are coaxially arranged with mounting hole, and biside plate upper end is distinguished by mounting hole
It is set on the corresponding eccentric segment of eccentric shaft.
5. a kind of stroke of a press according to claim 4 and height of packing compact governor motion, it is characterised in that the bias
Part of the axle position between two eccentric segments is big footpath main shaft section, and the part positioned at each eccentric segment opposite side is path main shaft section；
Worm gear is set in big footpath main shaft section, and worm gear is located above intermediate plate.
6. a kind of stroke of a press according to claim 4 and height of packing compact governor motion, it is characterised in that the connecting rod
Including connecting rod head one, connecting rod head two and the shaft that connecting rod head one and connecting rod head two are connected as a single entity, connecting rod head one connects with bent axle
Connect, connecting rod head two includes two pieces of side support plates being fixedly connected with shaft, and supported on both sides plate is parallel to each other, between supported on both sides plate
Reinforcement end plate is provided with, the bearing pin parallel with eccentric shaft rotation axis, the biside plate of upper elbow lever are provided between supported on both sides plate
Lower end is hinged on bearing pin, and lower elbow lever upper end is hinged in the middle part of bearing pin, and the biside plate of upper elbow lever is symmetrically distributed in lower elbow lever
The left and right sides.
7. a kind of stroke of a press according to claim 5 and height of packing compact governor motion, it is characterised in that the bias
Locking cylinder is correspondingly arranged on above the path main shaft section of axle, the piston rod end of locking cylinder is provided with to match with eccentric shaft
Latch segment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720316293.3U CN206690581U (en) | 2017-03-29 | 2017-03-29 | A kind of stroke of a press and height of packing compact governor motion |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720316293.3U CN206690581U (en) | 2017-03-29 | 2017-03-29 | A kind of stroke of a press and height of packing compact governor motion |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206690581U true CN206690581U (en) | 2017-12-01 |
Family
ID=60440873
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720316293.3U Withdrawn - After Issue CN206690581U (en) | 2017-03-29 | 2017-03-29 | A kind of stroke of a press and height of packing compact governor motion |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206690581U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106863875A (en) * | 2017-03-29 | 2017-06-20 | 扬力集团股份有限公司 | A kind of stroke of a press and height of packing compact governor motion |
| CN110039816A (en) * | 2019-04-28 | 2019-07-23 | 扬力集团股份有限公司 | Hotdie forging press seals high hydraulic locking apparatus |
| CN111804790A (en) * | 2020-07-10 | 2020-10-23 | 林宝勤 | Punching machine |
-
2017
- 2017-03-29 CN CN201720316293.3U patent/CN206690581U/en not_active Withdrawn - After Issue
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106863875A (en) * | 2017-03-29 | 2017-06-20 | 扬力集团股份有限公司 | A kind of stroke of a press and height of packing compact governor motion |
| WO2018176906A1 (en) * | 2017-03-29 | 2018-10-04 | 扬力集团股份有限公司 | Stroke and die loading height adjustment mechanism for a press |
| CN106863875B (en) * | 2017-03-29 | 2018-12-25 | 扬力集团股份有限公司 | A kind of stroke of a press and height of packing compact regulating mechanism |
| CN110039816A (en) * | 2019-04-28 | 2019-07-23 | 扬力集团股份有限公司 | Hotdie forging press seals high hydraulic locking apparatus |
| CN110039816B (en) * | 2019-04-28 | 2021-11-02 | 扬力集团股份有限公司 | High hydraulic locking device for hot die forging press |
| CN111804790A (en) * | 2020-07-10 | 2020-10-23 | 林宝勤 | Punching machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20171201 Effective date of abandoning: 20181225 |
|
| AV01 | Patent right actively abandoned |