CN106079515B - A kind of hydraulic press - Google Patents
A kind of hydraulic press Download PDFInfo
- Publication number
- CN106079515B CN106079515B CN201610732058.4A CN201610732058A CN106079515B CN 106079515 B CN106079515 B CN 106079515B CN 201610732058 A CN201610732058 A CN 201610732058A CN 106079515 B CN106079515 B CN 106079515B
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- hydraulic
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- 238000013016 damping Methods 0.000 claims abstract description 17
- 239000005060 rubber Substances 0.000 claims abstract description 10
- 239000013078 crystal Substances 0.000 claims description 13
- 238000001514 detection method Methods 0.000 claims description 9
- 239000012530 fluid Substances 0.000 claims description 8
- 229910000831 Steel Inorganic materials 0.000 claims description 6
- 239000010959 steel Substances 0.000 claims description 6
- 230000008602 contraction Effects 0.000 claims description 3
- 230000005611 electricity Effects 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims description 3
- 239000003990 capacitor Substances 0.000 claims description 2
- 239000000523 sample Substances 0.000 claims description 2
- 229910052721 tungsten Inorganic materials 0.000 claims 1
- 239000010937 tungsten Substances 0.000 claims 1
- 239000007788 liquid Substances 0.000 abstract description 10
- 238000013461 design Methods 0.000 abstract description 3
- 230000006378 damage Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 208000027418 Wounds and injury Diseases 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000284 extract Substances 0.000 description 2
- 208000014674 injury Diseases 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000009514 concussion Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005242 forging Methods 0.000 description 1
- 230000002706 hydrostatic effect Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000004663 powder metallurgy Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- -1 timber Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B1/00—Presses, using a press ram, characterised by the features of the drive therefor, pressure being transmitted directly, or through simple thrust or tension members only, to the press ram or platen
- B30B1/32—Presses, using a press ram, characterised by the features of the drive therefor, pressure being transmitted directly, or through simple thrust or tension members only, to the press ram or platen by plungers under fluid pressure
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
- B30B15/0076—Noise or vibration isolation means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
- B30B15/26—Programme control arrangements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
- B30B15/28—Arrangements for preventing distortion of, or damage to, presses or parts thereof
- B30B15/285—Arrangements for preventing distortion of, or damage to, presses or parts thereof preventing a full press stroke if there is an obstruction in the working area
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16P—SAFETY DEVICES IN GENERAL; SAFETY DEVICES FOR PRESSES
- F16P3/00—Safety devices acting in conjunction with the control or operation of a machine; Control arrangements requiring the simultaneous use of two or more parts of the body
- F16P3/12—Safety devices acting in conjunction with the control or operation of a machine; Control arrangements requiring the simultaneous use of two or more parts of the body with means, e.g. feelers, which in case of the presence of a body part of a person in or near the danger zone influence the control or operation of the machine
- F16P3/14—Safety devices acting in conjunction with the control or operation of a machine; Control arrangements requiring the simultaneous use of two or more parts of the body with means, e.g. feelers, which in case of the presence of a body part of a person in or near the danger zone influence the control or operation of the machine the means being photocells or other devices sensitive without mechanical contact
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Fluid-Pressure Circuits (AREA)
- Press Drives And Press Lines (AREA)
- Apparatuses For Generation Of Mechanical Vibrations (AREA)
Abstract
The present invention relates to a kind of hydraulic press,Including liquid-filled tank,Hydraulic cylinder,Telescopic hydraulic bar,Infrared detector,Lifting platform,Workbench,Base,Damping spring,Rubber pad,Guide post,Sliding block,Pipeline,Hydraulic pump and controller,The liquid-filled tank is connected by pipeline with hydraulic pump,The hydraulic pump input terminal is connected with controller output end,The output terminal of the infrared sensor and the input terminal of controller connect,In half embedded liquid-filled tank of the hydraulic cylinder,So as to which liquid-filled tank is hydraulic cylinder pressure supply,The telescopic hydraulic bar carries out flexible operation when pressure reaches fixed value in hydraulic cylinder,And then lifting platform is promoted to move up and down,The lifting platform is fixed on guide post by sliding block,The damping spring is installed on the bottom of guide post,The guide post is installed on base by damping spring,The rubber pad is installed on below base,The present invention is reasonable in design,It is simple to operate.
Description
Technical field
The present invention relates to heavy industry equipment technical field, more particularly to a kind of hydraulic press.
Background technology
With the development of the society, the progress of technology, hydraulic press has consequence in production activity instantly.Hydraulic press
It is a kind of machinery that the products such as metal, plastics, rubber, timber, powder are processed using hydrostatic pressure.It is usually used in forging and stamping,
The compactings such as punching press, cold-extruded, alignment, bending, flange, process of sheet drawing, powder metallurgy, press fitting and forming technology.But traditional liquid
Not in time, hand is put in hydraulic press to press safeguard measure by imprudence someone when operating, so as to cause personal injury.
The content of the invention
The technical problems to be solved by the invention are to overcome prior art defect, there is provided a kind of hydraulic press, with solution
Problem is stated, the present invention uses following technical scheme to achieve the above object：
A kind of hydraulic press, including liquid-filled tank, hydraulic cylinder, telescopic hydraulic bar, infrared detector, lifting platform, workbench, bottom
Seat, damping spring, rubber pad, guide post, sliding block, pipeline, hydraulic pump and controller, the liquid-filled tank are connected by pipeline and hydraulic pump
Connect, the hydraulic pump input terminal is connected with controller output end, the output terminal of the infrared sensor and the input terminal of controller
Connection, the hydraulic cylinder is partly in embedded liquid-filled tank, so that liquid-filled tank is hydraulic cylinder pressure supply, the telescopic hydraulic bar works as hydraulic pressure
Flexible operation is carried out when pressure reaches fixed value in oil cylinder, and then promotes lifting platform to move up and down, the lifting platform passes through sliding block
It is fixed on guide post, the damping spring is installed on the bottom of guide post, and the guide post is installed on base by damping spring, institute
Rubber pad is stated below base.
On the basis of above-mentioned technical proposal, control circuit and detection circuit are set in the controller, the control circuit is adopted
With special infraluminescence pipe and common infraluminescence pipe operation principle on the contrary, the usually light direct irradiation of infraluminescence pipe VD1
On infrared receiver tube VD2, equivalent to LSE 1., 2. foot is separated, the 4. foot of its LSE is just changed into low level, at this time three pole
Pipe VT is turned on, and J is attracted, and hydraulic pump is powered to pressurize to liquid-filled tank.When having foreign matter insertion, cause the light on VD2 to disappear, cause
The internal resistance of VD2 reduces, equivalent to 1., 2. ganging up between foot for LSE, the 4. foot output high level of LSE at this time, and triode VT cut-offs,
Relay J is in release conditions, and hydraulic pressure air pump inoperative, extracts foreign matter, and hydraulic pump works on, and the detection circuit, which is worked as, foreign matter
In the presence of, infrared detector just sends alarm with two transistors and a converter.Transistor Q1 forms brilliant control vibration
Device, with piezoelectric sender XDC（It includes Liang Ge piezo-electric crystals area）A part be crystal.Converter has three independent to draw
Line, connects a lead on each crystal, and the 3rd lead is then the common lead of two crystal.Less crystal inside area
It is set as working frequency, and larger component is then driven by Q1, one provides big audio output.Pnp transistor is turned on,
Pnp transistor Q2 must also be turned on, to by add the method for normal bias make transistor Q2 turn on, only need to be in the collector of Q2
To an indirect resistance of Q1, this base stage to Q2 adds a back bias voltage, and resistance used is foreign matter to be measured, and foreign matter makes
Q2 is turned on, and Q2 turns on Q1 again, and as a result during abnormal contact infrared ray, exchanger just sends loud sound.
On the basis of above-mentioned technical proposal, the damping spring compresses spring using steel wire, is subject to the spiral shell of axial compressive force
Spring is revolved, the material section used in it is mostly circle, and spring is generally equal pitch, and compressing between the circle of spring and circle has necessarily
Gap, when being subject to external applied load spring contraction deform, store deformation energy.
On the basis of above-mentioned technical proposal, the lifting platform and workbench use wolfram steel.
The present invention is reasonable in design, simple to operate, can not only effectively reduce the generation of contingency, reduces
Injury of the machine to human body, while reduce pollution of the noise to surrounding environment when in use, so as to effectively improve the work of worker
Make efficiency, while can also effective damping.
Brief description of the drawings
Fig. 1 is the structure diagram of the present invention.
Fig. 2 is detection circuit figure.
Fig. 3 circuit diagrams in order to control.
In figure：1- hydraulic fluid tanks；2- hydraulic cylinders；3- telescopic hydraulic bars；4- infrared detectors；5- lifting platforms；6- workbench；
7- bases；8- damping springs；9- rubber pads；10- guide posts；11- sliding block 12- pipelines；13- hydraulic pumps；14- controllers, 15- are infrared
Line is popped one's head in, 16- hydraulic presses.
Embodiment
The present invention is further elaborated with specific embodiment below in conjunction with the accompanying drawings.
A kind of hydraulic press, including hydraulic fluid tank 1, hydraulic cylinder 2, telescopic hydraulic bar 3, infrared detector 4, lifting platform 5, work
Platform 6, base 7, damping spring 8, rubber pad 9, guide post 10, sliding block 11, pipeline 12, hydraulic pump 13 and controller 14, the hydraulic pressure
Case 1 is connected by pipeline 12 with hydraulic pump 13, and 13 input terminal of hydraulic pump is connected with 14 output terminal of controller, the infrared inspection
The output terminal for surveying device 4 is connected with the input terminal of controller 14, and the hydraulic cylinder 2 half is embedded in hydraulic fluid tank 1, so that hydraulic fluid tank 1
For 2 pressure supply of hydraulic cylinder, the telescopic hydraulic bar 3 carries out flexible operation when pressure reaches fixed value in hydraulic cylinder 2, and then
Lifting platform 3 is promoted to move up and down, the lifting platform 5 is fixed on guide post 10 by sliding block 11, and the damping spring 8 is installed on and leads
The bottom of column 10, the guide post 10 are installed on base 7 by damping spring 8, and the rubber pad 9 is installed on below base 7.
Control circuit and detection circuit are set in the controller 14,220V power supplys connect hydraulic press 16 in control circuit, at the same time
220V power supplys meet rectifier bridge U, the output termination capacitor C2 of rectifier bridge U through capacitance C1, while capacitance C2 connects load through diode VD1
The port of sensor LSE, capacitance C2 both ends parallel diode VDW, capacitance C2 meets transistor VT, while capacitance C2 connects load-transducing
The port of device LSE, transistor VT also contact relay J, relay J connect the port of load cell LSE, load cell LSE's
Port connecting resistance R1, resistance R1 connect the base stage of transistor VT, while resistance R1 connects the port of load cell LSE through resistance R2,
1 port of load cell LSE connects 2 ports of load cell LSE through diode VD2；Detection circuit battery DC is through resistance R3
The M port of piezoelectric sender XDC is connect, while resistance R3 connects the collector of transistor Q1, the F ports of piezoelectric sender XDC are through electricity
Resistance R2 connects M port, while F ports connect the base stage of transistor Q1 through resistance R1, and the emitter of transistor Q1 connects the collection of transistor Q2
Electrode, while the emitter of transistor Q1 connects 8 ports of piezoelectric sender XDC, the base stage of transistor Q1 connects crystal through capacitance C2
The emitter of pipe Q1, the emitter of transistor Q2 connect battery, and the base stage and collector of transistor Q2 connect infrared probe 15 respectively；
The control circuit is using special infraluminescence pipe and common infraluminescence pipe operation principle on the contrary, usually infrared hair
The light direct irradiation of light pipe VD1 on infrared receiver tube VD2, equivalent to LSE 1., 2. foot is separated, the 4. foot of its LSE
Just it is changed into low level, triode VT is turned at this time, and J is attracted, and hydraulic pump 13 is powered to pressurize to hydraulic cylinder 2, when having foreign matter insertion,
Cause the light on VD2 to disappear, cause the internal resistance of VD2 to reduce, equivalent to 1., 2. ganging up between foot for LSE, the 4. foot of LSE at this time
High level, triode VT cut-offs are exported, relay J is in release conditions, and hydraulic pump 13 does not work, and extracts foreign matter, hydraulic pump 13
Work on, the detection circuit in the presence of having foreign matter, just with two transistors and a converter sent out by infrared detector
Go out alarm, transistor Q1 forms crystal-controlled oscillator, with piezoelectric sender XDC（It includes Liang Ge piezo-electric crystals area）A part
For crystal, converter has three independent leads, a lead is connected on each crystal, and the 3rd lead is then two crystal
Common lead, less crystal inside area is set as working frequency, and larger component is then driven by Q1, and one provides big audio
Output, will turn on pnp transistor, pnp transistor Q2 must also be turned on, to by adding the method for normal bias to make transistor
Q2 is turned on, only need to be in an indirect resistance of the current collection best Q1 of Q2, this base stage to Q2 adds a back bias voltage, electricity used
Resistance is foreign matter to be measured, and foreign matter turns on Q2, and Q2 turns on Q1 again, and as a result during abnormal contact infrared ray, exchanger is just sent
Loud sound.
Further, the damping spring 8 is subject to the helical spring of axial compressive force using steel wire compression spring, used in it
Material section for circle, spring is equal pitch, and compressing has certain gap between the circle of spring and circle, when being subject to external applied load
Spring contraction deforms, and stores deformation energy.
Further, the lifting platform 5 and workbench 6 use wolfram steel.
The present invention is reasonable in design, simple to operate, the effective damage for reducing concussion to machine, while reduces and make an uproar
Sound pollutes, it is most important that is effectively reduced the accident generation that hydraulic press accidentally injures worker.
The above is present pre-ferred embodiments, for the ordinary skill in the art, according to the present invention
Teaching, in the case where not departing from the principle of the present invention and spirit, the changes, modifications, replacement and the change that are carried out to embodiment
Type is still fallen within protection scope of the present invention.
Claims (3)
1. a kind of hydraulic press, it is characterised in that including hydraulic fluid tank（1）, hydraulic cylinder（2）, telescopic hydraulic bar（3）, infrared detection
Device（4）, lifting platform（5）, workbench（6）, base（7）, damping spring（8）, rubber pad（9）, guide post（10）, sliding block（11）, pipe
Road（12）, hydraulic pump（13）And controller（14）, the hydraulic fluid tank（1）Pass through pipeline（12）With hydraulic pump（13）Connection, it is described
Hydraulic pump（13）Input terminal and controller（14）Output terminal connects, the infrared detector（4）Output terminal and controller（14）
Input terminal connection, the hydraulic cylinder（2）Half embedded hydraulic fluid tank（1）In, so that hydraulic fluid tank（1）For hydraulic cylinder（2）Pressure supply,
The telescopic hydraulic bar（3）Work as hydraulic cylinder（2）Middle pressure carries out flexible operation when reaching fixed value, and then promotes lifting platform
（5）Move up and down, the lifting platform（5）Pass through sliding block（11）It is fixed on guide post（10）On, the damping spring（8）Installed in leading
Column（10）Bottom, the guide post（10）Pass through damping spring（8）Installed in base（7）On, the rubber pad（9）The bottom of installed in
Seat（7）Below；
The controller（14）Control circuit and detection circuit are inside set, 220V power supplys connect hydraulic press in control circuit（16）, at the same time
220V power supplys meet rectifier bridge U, the output termination capacitor C2 of rectifier bridge U through capacitance C1, while capacitance C2 connects load through diode VD1
The port of sensor LSE, capacitance C2 both ends parallel diode VDW, capacitance C2 meets transistor VT, while capacitance C2 connects load-transducing
The port of device LSE, transistor VT also contact relay J, relay J connect the port of load cell LSE, load cell LSE's
Port connecting resistance R1, resistance R1 connect the base stage of transistor VT, while resistance R1 connects the port of load cell LSE through resistance R2,
1 port of load cell LSE connects 2 ports of load cell LSE through diode VD2；Detection circuit battery DC is through resistance R3
The M port of piezoelectric sender XDC is connect, while resistance R3 connects the collector of transistor Q1, the F ports of piezoelectric sender XDC are through electricity
Resistance R2 connects M port, while F ports connect the base stage of transistor Q1 through resistance R1, and the emitter of transistor Q1 connects the collection of transistor Q2
Electrode, while the emitter of transistor Q1 connects 8 ports of piezoelectric sender XDC, the base stage of transistor Q1 connects crystal through capacitance C2
The emitter of pipe Q1, the emitter of transistor Q2 connect battery, and the base stage and collector of transistor Q2 connect infrared probe respectively
（15）.
2. the hydraulic press according to claim 1, it is characterised in that the damping spring（8）Spring is compressed using steel wire,
The helical spring of axial compressive force is subject to, the material section used in it is circle, and spring is equal pitch, compresses the circle and circle of spring
Between have certain gap, when being subject to external applied load spring contraction deform, store deformation energy.
3. the hydraulic press according to claim 1, it is characterised in that the lifting platform（5）And workbench（6）Using tungsten
Steel.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710911229.4A CN107738469B (en) | 2016-08-26 | 2016-08-26 | A kind of hydraulic press |
| CN201610732058.4A CN106079515B (en) | 2016-08-26 | 2016-08-26 | A kind of hydraulic press |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610732058.4A CN106079515B (en) | 2016-08-26 | 2016-08-26 | A kind of hydraulic press |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710911229.4A Division CN107738469B (en) | 2016-08-26 | 2016-08-26 | A kind of hydraulic press |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106079515A CN106079515A (en) | 2016-11-09 |
| CN106079515B true CN106079515B (en) | 2018-04-20 |
Family
ID=57225444
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710911229.4A Active CN107738469B (en) | 2016-08-26 | 2016-08-26 | A kind of hydraulic press |
| CN201610732058.4A Expired - Fee Related CN106079515B (en) | 2016-08-26 | 2016-08-26 | A kind of hydraulic press |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710911229.4A Active CN107738469B (en) | 2016-08-26 | 2016-08-26 | A kind of hydraulic press |
Country Status (1)
| Country | Link |
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| CN (2) | CN107738469B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107838321A (en) * | 2017-11-30 | 2018-03-27 | 张旋 | A kind of hydraulic machinery safety device |
| CN108435854A (en) * | 2018-03-27 | 2018-08-24 | 芜湖卓越空调零部件有限公司 | A kind of air conditioning liquid reservoir compressor connecting bracket molding curved surface hydraulic device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62130800A (en) * | 1985-12-04 | 1987-06-13 | Amino Tekkosho:Kk | High speed automatic press |
| CN87207253U (en) * | 1987-06-30 | 1988-06-29 | 上海市松江县华阳光学零件厂 | Safety protection device of multi-purpose infrared light pressure machine |
| CN102327945A (en) * | 2010-07-14 | 2012-01-25 | 成都飞机工业（集团）有限责任公司 | Hydrodynamic deep drawing equipment for forming deep cavity parts |
| CN202411281U (en) * | 2011-10-19 | 2012-09-05 | 陈德发 | Novel hydraulic stamping machine |
| CN105599044A (en) * | 2016-01-11 | 2016-05-25 | 大碇电脑配件(上海)有限公司 | Automatic fixing and aligning die sleeve of hardware die |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3521550A (en) * | 1968-09-25 | 1970-07-21 | Lummus Cotton Gin Co | Bale strapping apparatus |
| CH568481A5 (en) * | 1974-03-18 | 1975-10-31 | Seiler Niklaus | |
| CN2282213Y (en) * | 1996-07-22 | 1998-05-20 | 南京丰泰电子有限公司 | Intelligent operator for electric actuator |
| CN104401028B (en) * | 2014-11-07 | 2016-03-02 | 重庆麦斯特精密机械有限公司 | A kind of fluid pressure type high accuracy material material pressing device |
| CN205167646U (en) * | 2015-12-07 | 2016-04-20 | 韩卫东 | Four posts of positive pole charcoal piece direction pressurization vibrating compaction machine |
| CN205416434U (en) * | 2016-03-11 | 2016-08-03 | 深圳市旺博科技有限公司 | Novel increase clamp plate high pressure forming die |
-
2016
- 2016-08-26 CN CN201710911229.4A patent/CN107738469B/en active Active
- 2016-08-26 CN CN201610732058.4A patent/CN106079515B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62130800A (en) * | 1985-12-04 | 1987-06-13 | Amino Tekkosho:Kk | High speed automatic press |
| CN87207253U (en) * | 1987-06-30 | 1988-06-29 | 上海市松江县华阳光学零件厂 | Safety protection device of multi-purpose infrared light pressure machine |
| CN102327945A (en) * | 2010-07-14 | 2012-01-25 | 成都飞机工业（集团）有限责任公司 | Hydrodynamic deep drawing equipment for forming deep cavity parts |
| CN202411281U (en) * | 2011-10-19 | 2012-09-05 | 陈德发 | Novel hydraulic stamping machine |
| CN105599044A (en) * | 2016-01-11 | 2016-05-25 | 大碇电脑配件(上海)有限公司 | Automatic fixing and aligning die sleeve of hardware die |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107738469A (en) | 2018-02-27 |
| CN107738469B (en) | 2019-10-25 |
| CN106079515A (en) | 2016-11-09 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20170927 Address after: Shushan District of Hefei City, Anhui Province, Jiangmen 230000 garden business office floor B-1014 room 10 Applicant after: HEFEI WISDOM LONGTUTENG INTELLECTUAL PROPERTY CO., LTD. Address before: Urban and rural areas in Shandong province 277200 Fu Guan Zhuang Cun, Shanting District of Zaozhuang City No. 68 Applicant before: Liu Lixia |
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| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Song Huamin Inventor after: Song Liangliang Inventor after: Wang Xiaowei Inventor before: Liu Lixia |
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