CN107601097B - Suction nozzle device - Google Patents
Suction nozzle device Download PDFInfo
- Publication number
- CN107601097B CN107601097B CN201710985898.6A CN201710985898A CN107601097B CN 107601097 B CN107601097 B CN 107601097B CN 201710985898 A CN201710985898 A CN 201710985898A CN 107601097 B CN107601097 B CN 107601097B
- Authority
- CN
- China
- Prior art keywords
- unit
- moving unit
- suction
- negative pressure
- annular
- 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.)
- Active
Links
- 238000001179 sorption measurement Methods 0.000 claims abstract description 31
- 238000004891 communication Methods 0.000 claims description 2
- 230000001174 ascending effect Effects 0.000 claims 1
- 238000012546 transfer Methods 0.000 abstract description 6
- 239000010985 leather Substances 0.000 description 10
- 238000000034 method Methods 0.000 description 8
- 238000013459 approach Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000011982 device technology Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Manipulator (AREA)
- Sheets, Magazines, And Separation Thereof (AREA)
Abstract
The invention provides a suction nozzle device, which comprises a negative pressure unit, a first moving unit, a second moving unit and an adsorption unit, wherein the first moving unit and the second moving unit are arranged in the negative pressure unit, the second moving unit is arranged below the first moving unit, the first moving unit is used for connecting the adsorption unit to the negative pressure unit, a channel of the first moving unit can be communicated with a cavity and a channel of the adsorption unit and is communicated with a first annular cavity and a second annular cavity of the negative pressure unit, the first annular cavity of the negative pressure unit is connected with an external negative pressure source, and the adsorption unit can move upwards under the action of the first negative pressure and can move downwards under the action of the second negative pressure so as to be capable of adsorbing paper. The suction nozzle device is positioned below the supporting plate after finishing the paper transfer action, so that paper is prevented from being scratched.
Description
Technical Field
The invention relates to an adsorption device, in particular to a suction nozzle device.
Background
In the prior art, the suction nozzle device has 2 stations. When the suction is started, the piston cover and the valve core compression spring rise until the suction nozzle device is slightly higher than the supporting plate, and after the paper is sucked by the leather cup, the paper is sent to the corresponding position, and then the paper transferring process is completed once. Stopping inhaling, and the valve core and the piston cover descend to the bottom of the suction cylinder under the action of the restoring force of the pressure spring and then return to the initial position to finish the paper sucking and paper transferring process. There are problems: when the suction nozzle device sucks paper, the valve core descends to the bottom of the suction cylinder, the leather cup will suck the paper and descend for a distance, and the paper may be deformed and wrinkled, so that the paper is damaged in the paper transferring process; in the retreating process, the leather cup is contacted with the paper moving forwards, so that the paper is easily scratched.
Disclosure of Invention
The invention aims to provide a novel suction nozzle device so as to solve the problems in the prior suction nozzle device technology. The suction nozzle device is realized through the following technical scheme.
An embodiment of the present invention provides a suction nozzle device, wherein the suction nozzle device includes a negative pressure unit, a first moving unit, a second moving unit, and an adsorption unit, wherein the first moving unit and the second moving unit are disposed in the negative pressure unit and the second moving unit is disposed below the first moving unit, the first moving unit is configured to connect the adsorption unit to the negative pressure unit, a passage of the first moving unit is capable of communicating with a cavity of the adsorption unit and the passage and with a first annular cavity and a second annular cavity of the negative pressure unit, the first annular cavity of the negative pressure unit is connected with an external negative pressure source, so that a first negative pressure is generated between the negative pressure unit, the first moving unit, and the adsorption unit, the first moving unit moves upward under the action of the first negative pressure, thereby driving the adsorption unit to move upward, so that the raised adsorption unit adsorbs paper, and as the first moving unit moves upward along the negative pressure unit, a second negative pressure is generated between the negative pressure unit, the first moving unit, the second moving unit, and the adsorption unit, the first moving unit moves downward under the action of an elastic element, and the second moving downward, and the second moving unit makes the second moving downward and the adsorption unit abut against the paper.
According to the suction nozzle device provided by the embodiment of the invention, the negative pressure unit comprises an end cover, a suction cylinder with an annular cavity and a check ring, wherein the end cover is connected to the top of the suction cylinder, the check ring is connected to the bottom of the suction cylinder, an opening is arranged at the position, adjacent to the end cover, of the suction cylinder, and the opening is communicated with an external negative pressure source.
According to the suction nozzle device provided by the embodiment of the invention, the suction tube comprises a first annular cavity and a second annular cavity which are sequentially connected from top to bottom, the end cover comprises a clamping part and a connecting part which are connected with each other and a clamping groove arranged at the connecting part, the clamping part is clamped to the outer part of the first annular cavity of the suction tube, the connecting part is abutted with the first annular cavity of the suction tube, the fastener penetrates through the outer wall of the first annular cavity of the suction tube and is combined with the clamping groove of the end cover, so that the end cover is fixed to the first annular cavity of the suction tube, the bottom of the second annular cavity is provided with an annular groove, and the retainer ring is installed in the annular groove.
According to the suction nozzle device provided by the embodiment of the invention, the first moving unit comprises a valve core, a channel arranged in the valve core and an elastic element arranged outside the valve core, wherein the valve core comprises a first annular part and a second annular part which are connected with each other, the outer diameter of the first annular part is smaller than that of the second annular part, the outer wall of the first annular part is provided with a through hole, so that the channel of the first moving unit is communicated with the first annular cavity and the second annular cavity of the negative pressure unit, and the elastic element is arranged between the end cover and the first annular part of the valve core.
According to the suction nozzle device provided by the embodiment of the invention, the second moving unit is a piston cover, and the piston cover comprises a first annular part and a second annular part which are connected with each other, wherein the outer diameter of the first annular part is smaller than that of the second annular part, and the second moving unit is abutted against the inner wall of the second annular cavity of the suction cylinder and is arranged between the first moving unit and the check ring.
According to the suction nozzle device provided by the embodiment of the invention, the suction unit comprises a suction head with a channel, a leather cup connected to the outside of the suction head and a cavity, wherein the cavity is formed between the upper part of the suction head and the leather cup.
According to the suction nozzle device provided by the embodiment of the invention, the suction nozzle comprises a head and a neck, the channel penetrates through the head and the neck of the suction nozzle, the cavity is communicated with the channel, and the adsorption unit is connected with the channel of the first moving unit through the neck of the suction nozzle.
According to the suction nozzle device provided by the embodiment of the invention, the neck of the suction head is in threaded connection with the channel of the first moving unit.
According to the suction nozzle device provided by the embodiment of the invention, after the paper is sucked by the leather cup, transferred forward and sent to the corresponding position, the suction is stopped by the opening, the leather cup is separated from the paper, and the valve core and the piston cover are lowered to the bottom of the suction cylinder.
The suction nozzle device provided by the invention has 3 stations. When the suction nozzle device sucks paper, the cup is slightly higher than the supporting plate by 2-3mm, at the moment, the valve core does not drop to the bottom of the suction cylinder, but stops at a balanced state position, the cup sucks the paper to transfer paper forwards, and the supporting plate is used for supporting the paper. After the paper reaches the corresponding position, the paper transfer action is completed, and the suction nozzle device is positioned below the supporting plate in the back-off process, so that the paper is prevented from being scratched in the process that the leather cup in the suction nozzle device is retreated to the initial position.
Drawings
Fig. 1 is a cross-sectional view of a suction nozzle arrangement according to an embodiment of the invention in a first operating position.
Fig. 2 is a cross-sectional view of a suction nozzle arrangement in a second operational position according to an embodiment of the present invention.
Fig. 3 is a cross-sectional view of a suction nozzle arrangement in a third operational position according to an embodiment of the present invention.
Fig. 4 is a schematic view illustrating a use state of a plurality of nozzle devices according to an embodiment of the present invention.
Detailed Description
In order to better illustrate the present invention, the technical solutions in the embodiments of the present invention are clearly and completely described below with reference to the drawings in the embodiments of the present invention.
Fig. 1 is a cross-sectional view of a suction nozzle arrangement according to an embodiment of the invention in a first operating position. Fig. 2 is a cross-sectional view of a suction nozzle arrangement in a second operational position according to an embodiment of the present invention. Fig. 3 is a cross-sectional view of a suction nozzle arrangement in a third operational position according to an embodiment of the present invention. Fig. 4 is a schematic view illustrating a use state of a plurality of nozzle devices according to an embodiment of the present invention. As shown in fig. 1 to 4, the suction nozzle device 100 according to one embodiment of the present invention includes a negative pressure unit 1, a first moving unit 2, a second moving unit 3, and an adsorption unit 4, wherein the first moving unit 2 and the second moving unit 3 are disposed in the negative pressure unit 1 and the second moving unit 3 is disposed at the bottom of the first moving unit 2, the first moving unit 2 is used to connect the adsorption unit 4 to the negative pressure unit 1, a passage 24 of the first moving unit 2 can communicate with a cavity 42 and a passage 43 of the adsorption unit 4 and with a first annular cavity 10 and a second annular cavity 11 of the negative pressure unit 1, the cavity of the negative pressure unit is connected with an external negative pressure source so that a first negative pressure is generated between the negative pressure unit 1, the first moving unit 2, and the adsorption unit 4, the first moving unit 2 is moved upward under the action of the first negative pressure, the adsorption unit 4 is thereby driven to move upward so as to cause the adsorption unit 4 to adsorb paper 6, and as the first moving unit 2 moves upward along the negative pressure unit 1, so that a negative pressure is generated between the negative pressure unit 1, the first moving unit 2, the second moving unit 3, and the second moving unit 3 is driven downward by the second moving unit 4, and the second negative pressure is made to act downward on the adsorption unit 4, and the second moving unit is made to act downward, and the second negative pressure unit 4, which acts downward, and the adsorption unit is made to adsorb the second moving unit.
As shown in fig. 1-4, the negative pressure unit 1 comprises an end cap 13, a suction tube 16 with a first annular cavity 10, a second annular cavity 11, and a retainer ring 14, the end cap 13 being connected to the top of the suction tube 16, the retainer ring 14 being connected to the bottom of the suction tube 16, the suction tube 16 being provided with an opening 17 adjacent to the end cap 13, the opening 17 being in communication with an external negative pressure source such that a negative pressure is formed in the first annular cavity 10, the second annular cavity 11. The suction tube 16 includes a first annular cavity 10 and a second annular cavity 11 connected in sequence from top to bottom. The end cap 13 includes a clamping portion 130 and a connecting portion 131 connected to each other, and a clamping groove 132 provided at the connecting portion 131, the clamping portion 130 being clamped to the outside of the first annular cavity 10 of the suction tube 16, the connecting portion 131 being abutted against the first annular cavity 10 of the suction tube 16, a fastener (not shown) passing through the outer wall of the first annular cavity 10 of the suction tube to be coupled with the clamping groove 132 of the end cap 13, thereby fixing the end cap 13 to the first annular cavity 10 of the suction tube 16. The bottom of the second annular cavity 11 is provided with an annular groove 12, and a retainer ring 14 is fitted into the annular groove 12.
As shown in fig. 1 to 4, the first moving unit 2 includes a spool 20, a passage 24 provided in the spool 20, and an elastic member 23 provided outside the spool 20, wherein the spool 20 includes a first annular portion 21 and a second annular portion 22 connected to each other, and an outer diameter of the first annular portion 21 is smaller than an outer diameter of the second annular portion 22. The outer wall of the first annular portion 21 is provided with a through hole 210 so that the passage 24 of the first moving unit communicates with the first annular cavity 10 and the second annular cavity 11 of the negative pressure unit 1. The elastic member 23 is provided between the end cap 13 and the first annular portion 21 of the spool 20.
As shown in fig. 1 to 4, the second moving unit 3 is a piston cap 33 including a first annular portion 30 and a second annular portion 32 connected to each other, wherein an outer diameter of the first annular portion 30 is smaller than an outer diameter of the second annular portion 32. The second moving unit 3 abuts against the inner wall of the second annular cavity 11 of the suction tube 16 and is arranged between the first moving unit 2 and the retainer ring 14.
As shown in fig. 1 to 4, the adsorption unit 4 includes a suction head 40 having a channel 43, a cup 41 connected to the outside of the suction head, and a cavity 42, wherein the cavity 42 is formed between the upper side of the suction head 40 and the cup 41. The cleaner head 40 comprises a head 44 and a neck 45, and the channel 43 extends through the head 44 and the neck 45 of the cleaner head 40. The cavity 42 communicates with the channel 43. The suction unit 4 is connected to the channel 24 of the first mobile unit 2 by means of a neck 45 of the suction head 40. Specifically, in one embodiment of the present invention, neck 45 is threadably coupled to passageway 24.
Fig. 4 is a schematic view illustrating a use state of a plurality of nozzle devices according to an embodiment of the present invention. The supporting plate 5 is provided with a plurality of spaces 50 in parallel, the suction units 4 of the plurality of suction nozzle devices can move in the spaces 50, and F2 is the moving direction of the paper 6.
Fig. 1 is a cross-sectional view of a suction nozzle arrangement according to an embodiment of the invention in a first operating position. When the negative pressure source does not suck air from the opening 17 of the suction nozzle device, the channel 24 in the valve core 20, the first annular cavity 10 and the second annular cavity 11 in the suction cylinder 16, the cavity 42 of the suction unit 4 and the channel 43 are all normal pressure, the valve core 20 and the piston cover 33 are positioned at the bottom of the suction cylinder 16, the elastic element 23 adopting a pressure spring is in a relaxed state, one end of the elastic element 23 is contacted with the end cover, the other end of the elastic element 23 is contacted with the first annular part 21 of the valve core 20, the piston cover 33 is contacted with the retainer ring 14, the leather cup 41 is fixedly connected to the suction nozzle 40 and positioned at the lower part of the support plate 5, the paper 6 is parallel positioned on the support plate 5, the position is the first working position of the suction nozzle device, and F2 is the moving direction of the suction nozzle device.
Fig. 2 is a cross-sectional view of a suction nozzle arrangement in a second operational position according to an embodiment of the present invention. When the paper 6 reaches the cup 41 position of the suction unit 4, the suction source starts to suck air through the opening 17, the channel 24 inside the valve core 20, the first annular cavity 10 inside the suction tube 16, and the cavity 42 and the channel 43 of the suction unit 4 all form a first negative pressure, the valve core 20 moves upwards along the suction tube 16 under the action of pressure and compresses the elastic element 23, the cup 41 moves upwards away from the end cover 13 under the action of the suction head 40, and exceeds the upper plane of the support plate 5, so as to ensure that the cup 41 can fully suck the paper 6, and the piston cover 33 is positioned at the bottom of the suction tube and contacts the retainer ring 14, and the position is the second working position of the suction nozzle device.
Fig. 3 is a cross-sectional view of a suction nozzle arrangement in a third operational position according to an embodiment of the present invention. When the paper 6 is sucked by the cup 41 of the suction unit 4, the channel 24 in the valve core 20, the first annular cavity 10 and the second annular cavity 11 in the suction cylinder, and the cavity 42 and the channel 43 in the suction unit 4 all form a second negative pressure, the valve core 20 is subjected to the restoring force of the elastic element 23 and then descends to approach the end cover 13, the piston cover 33 moves upwards under the action of the second negative pressure and is separated from the retainer ring 14, the upper limit position of the upward movement of the piston cover 33 is contacted with the bottom end of the valve core 20, the valve core 20 is not descended after reaching the equilibrium state, and at the moment, the surface of the paper 6 on the cup 31 is slightly higher than the upper surface of the support plate 5, and the position is the third working position of the suction nozzle device. When the cup 41 sucks the paper 6 to transfer forward, the opening 17 stops sucking air after the paper is sent to the corresponding position, the cup 41 is separated from the paper 6, the valve core 20 and the piston cover 33 are lowered to the bottom of the suction cylinder 16, that is, the suction nozzle device returns to the first working position and returns to the original position. The suction nozzle device 100 continuously repeats the above-described actions, completing the paper suction and paper transfer processes.
When the suction nozzle device is in the third working position, after the suction nozzle device 100 sucks the paper 6, the valve core 20 does not drop to the bottom of the suction cylinder 16, but is in a state that the internal and external air pressure is balanced, so that the suction deformation of the paper can be avoided, and particularly, in the case of processing thin paper. The suction nozzle device 100 returns to the original point after finishing the paper transfer action, the suction nozzle device 100 returns to the first working position, and at the moment, the position of the leather cup 41 is completely positioned below the supporting plate 5, and the suction nozzle device 100 is not contacted with the paper advancing forward in the retracting process, so that the paper is prevented from being scratched.
The present invention is not limited to the above-mentioned embodiments, and any changes or substitutions that can be easily understood by those skilled in the art within the scope of the present invention are intended to be included in the scope of the present invention.
Claims (9)
1. The suction nozzle device is characterized by comprising a negative pressure unit, a first moving unit, a second moving unit and an adsorption unit, wherein the first moving unit and the second moving unit are arranged in the negative pressure unit, the second moving unit is arranged below the first moving unit, the first moving unit is used for connecting the adsorption unit to the negative pressure unit, a channel of the first moving unit can be communicated with a cavity and a channel of the adsorption unit and is communicated with a first annular cavity and a second annular cavity of the negative pressure unit, the first annular cavity of the negative pressure unit is connected with an external negative pressure source, so that a first negative pressure is generated among the negative pressure unit, the first moving unit and the adsorption unit, the first moving unit moves upwards under the action of the first negative pressure, the adsorption unit is driven to move upwards, so that the adsorption unit after ascending adsorbs paper, the first moving unit moves upwards along the negative pressure unit, so that a second negative pressure is generated among the negative pressure unit, the first moving unit, the second moving unit and the adsorption unit, the first moving unit moves downwards under the action of an elastic element, and the second moving unit moves downwards, and the second moving unit is abutted to the first moving unit and the adsorption unit upwards.
2. The suction nozzle device as claimed in claim 1, wherein the negative pressure unit comprises an end cap, a suction cylinder with an annular cavity, and a retainer ring, the end cap being connected to a top of the suction cylinder, the retainer ring being connected to a bottom of the suction cylinder, the suction cylinder being provided with an opening adjacent the end cap, the opening being in communication with an external negative pressure source.
3. The suction nozzle device as claimed in claim 2, wherein the suction cylinder comprises a first annular cavity and a second annular cavity connected in sequence from top to bottom, the end cap comprises a clamping part and a connecting part connected with each other and a clamping groove arranged at the connecting part, the clamping part is clamped to the outside of the first annular cavity of the suction cylinder, the connecting part is abutted with the first annular cavity of the suction cylinder, the fastener passes through the outer wall of the first annular cavity of the suction cylinder to be combined with the clamping groove of the end cap, thereby fixing the end cap to the first annular cavity of the suction cylinder, the bottom of the second annular cavity is provided with an annular groove, and the retainer ring is installed in the annular groove.
4. The suction nozzle device as claimed in claim 3, wherein the first moving unit includes a valve body including a first annular portion and a second annular portion connected to each other, an outer diameter of the first annular portion being smaller than an outer diameter of the second annular portion, a through hole being provided on an outer wall of the first annular portion such that the passage of the first moving unit communicates with the first annular cavity and the second annular cavity of the negative pressure unit, and an elastic member provided between the end cap and the first annular of the valve body.
5. The suction nozzle device as claimed in claim 4, wherein the second moving unit is a piston cap including a first annular portion and a second annular portion connected to each other, wherein an outer diameter of the first annular portion is smaller than an outer diameter of the second annular portion, and the second moving unit is abutted against an inner wall of the second annular chamber of the suction tube and is disposed between the first moving unit and the retainer ring.
6. The suction nozzle device as claimed in claim 5, wherein the suction unit comprises a suction head having a passage, a cup connected to an outside of the suction head, and a cavity, wherein the cavity is formed between an upper portion of the suction head and the cup.
7. The suction nozzle assembly of claim 6, wherein the suction head comprises a head and a neck, the channel extending through the head and the neck of the suction head, the cavity communicating with the channel, the suction unit being connected to the channel of the first moving unit through the neck of the suction head.
8. The suction nozzle device as set forth in claim 7, wherein the neck of the suction head is screw-coupled with the passage of the first moving unit.
9. The suction nozzle assembly as set forth in claim 7, wherein the opening stops suction after the cup sucks the paper sheet forward and delivers the paper sheet to the corresponding position, the cup is separated from the paper sheet, and the valve core and the piston cover descend to the bottom of the suction cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710985898.6A CN107601097B (en) | 2017-10-20 | 2017-10-20 | Suction nozzle device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710985898.6A CN107601097B (en) | 2017-10-20 | 2017-10-20 | Suction nozzle device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107601097A CN107601097A (en) | 2018-01-19 |
| CN107601097B true CN107601097B (en) | 2024-03-08 |
Family
ID=61077468
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710985898.6A Active CN107601097B (en) | 2017-10-20 | 2017-10-20 | Suction nozzle device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107601097B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108373055A (en) * | 2018-04-20 | 2018-08-07 | 佛山市盒之源机械设备有限公司 | A kind of tool steady rest sucker |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN88101578A (en) * | 1987-04-01 | 1988-10-12 | 海德堡印刷机械股份公司 | Band promotes the paper sucking machine of suction nozzle |
| CN1087871A (en) * | 1992-10-10 | 1994-06-15 | 海德堡印刷机械股份公司 | The paper supplyor that paper finisher is used |
| CN202389979U (en) * | 2011-06-27 | 2012-08-22 | 上海光华印刷机械有限公司 | Pneumatic nozzle on paper separator of single-paper feeding machine |
| CN202825847U (en) * | 2011-07-29 | 2013-03-27 | 富士机械制造株式会社 | Suction nozzle |
-
2017
- 2017-10-20 CN CN201710985898.6A patent/CN107601097B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN88101578A (en) * | 1987-04-01 | 1988-10-12 | 海德堡印刷机械股份公司 | Band promotes the paper sucking machine of suction nozzle |
| CN1087871A (en) * | 1992-10-10 | 1994-06-15 | 海德堡印刷机械股份公司 | The paper supplyor that paper finisher is used |
| CN202389979U (en) * | 2011-06-27 | 2012-08-22 | 上海光华印刷机械有限公司 | Pneumatic nozzle on paper separator of single-paper feeding machine |
| CN202825847U (en) * | 2011-07-29 | 2013-03-27 | 富士机械制造株式会社 | Suction nozzle |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107601097A (en) | 2018-01-19 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP5212119B2 (en) | Vacuum suction device and robot hand | |
| JP6208893B2 (en) | Valve for negative pressure handling device or negative pressure clamping device, and negative pressure handling device | |
| JP2007253249A (en) | Suction device, and suction method using the same suction device | |
| CN101632165B (en) | Picker for transfer tool and transfer tool having the same | |
| WO2018168030A1 (en) | Holding tool and holding system | |
| CN105537903B (en) | Four-way pipe end cap feeding riveting mechanism | |
| CN210704467U (en) | Vacuum chuck | |
| CN106115256A (en) | Vacuum intaking device | |
| CN105526235A (en) | Suction cup mechanism and taking and placing device comprising same | |
| CN107601097B (en) | Suction nozzle device | |
| CN2537519Y (en) | Vacuum suction pen | |
| KR20210082591A (en) | Vacuum absorption device of material | |
| JP2012040657A (en) | Vacuum suction device | |
| TW201627215A (en) | Element picking mechanism | |
| JP2015066666A (en) | Suction cylinder device | |
| JP2012045571A (en) | Press molding die structure and method of press molding workpiece | |
| EP2033916B1 (en) | Feed apparatus for printing press | |
| JP4217190B2 (en) | Adsorption device | |
| CN113199232B (en) | Plunger pump star type circle and gasket automatic assembly device | |
| TWI758982B (en) | Adsorption components and devices therefor | |
| JP6504650B2 (en) | Work lifting device for press and work lifting method | |
| JP2017127929A (en) | Adsorber | |
| KR20110097418A (en) | Transfer apparatus and transfer method | |
| CN207390552U (en) | A kind of nozzle unit | |
| JP2022098006A (en) | Work transfer hand |
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 | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |