CN114147640B - Production and manufacturing process for high-precision ultrathin mechanical structural part - Google Patents
Production and manufacturing process for high-precision ultrathin mechanical structural part Download PDFInfo
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- CN114147640B CN114147640B CN202111472799.0A CN202111472799A CN114147640B CN 114147640 B CN114147640 B CN 114147640B CN 202111472799 A CN202111472799 A CN 202111472799A CN 114147640 B CN114147640 B CN 114147640B
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 44
- 238000012545 processing Methods 0.000 claims abstract description 16
- 238000007789 sealing Methods 0.000 claims abstract description 12
- 238000001179 sorption measurement Methods 0.000 claims abstract description 11
- 230000001105 regulatory effect Effects 0.000 claims description 29
- 239000004744 fabric Substances 0.000 claims description 4
- 238000009434 installation Methods 0.000 claims description 3
- 238000002360 preparation method Methods 0.000 claims description 3
- 238000000638 solvent extraction Methods 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 26
- 238000003825 pressing Methods 0.000 abstract description 7
- 230000008569 process Effects 0.000 abstract description 6
- 239000000463 material Substances 0.000 abstract description 4
- 239000004831 Hot glue Substances 0.000 description 10
- 238000013461 design Methods 0.000 description 5
- 230000003749 cleanliness Effects 0.000 description 4
- 238000005520 cutting process Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 3
- 230000001070 adhesive effect Effects 0.000 description 3
- 239000012141 concentrate Substances 0.000 description 3
- 239000003292 glue Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B11/00—Work holders not covered by any preceding group in the subclass, e.g. magnetic work holders, vacuum work holders
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
Abstract
The invention discloses a production and manufacturing process for high-precision ultrathin mechanical structure parts, which relates to the technical field of intelligent manufacturing and comprises a center workbench, a vacuum cavity, a through hole, a positioning pin hole and a sliding plate, wherein the vacuum cavity is arranged on the upper surface of the center workbench, the sliding plate is arranged in the vacuum cavity, the outer wall of the sliding plate is fixedly connected with a sealing ring, the outer wall of the sealing ring is movably connected with the inner wall of the vacuum cavity, and the through hole is formed in the upper surface of the vacuum cavity. According to the invention, the contact area of the thin plate and the sucker is increased, so that the stress of each part of the thin plate is uniform, the possibility of local deformation is reduced, the adsorption force can be dynamically adjusted according to the deformation condition of the thin plate, the adaptability of the device is greatly improved, and the problems that the stability of parts in the traditional process is uncontrollable, the pressing and holding points are not uniformly distributed, the processing stress is easily concentrated, and the processing deformation and the trouble of material changing cannot be eliminated are avoided.
Description
Technical Field
The invention relates to the technical field of intelligent manufacturing industry, in particular to a production and manufacturing process for high-precision ultrathin mechanical structural parts.
Background
The thin plate type part has the advantages of thin thickness and easy clamping and deformation, is a great problem which puzzles practitioners in the mechanical manufacturing industry, and particularly has near-strict requirements on the weight precision of the part along with continuous deep research and development and autonomous innovation, and the conventional manufacturing method cannot meet the production of the part, so that the design requirement is forced to be reduced in the common measures.
The production and manufacturing methods of the parts in the traditional manufacturing industry are as follows:
1. The clamping method is to clamp the part to be processed with bench clamp.
2. The pressing method is to press the part to be processed on the machine tool workbench for processing.
3. The hot melt adhesive method is to use hot melt adhesive to process the parts to be processed on a machine tool workbench.
4. The vacuum chuck method is to adsorb the parts to be processed on the pre-excavated vacuum chuck for processing.
Defects and reasons of the traditional process method:
1. the clamping method comprises the following steps: the clamping force for clamping the part on the bench clamp is applied by the two clamping faces towards the middle, the part is deformed, after the machining is finished, the bench clamp is loosened to deform and reset, the part cannot meet the requirements of a design drawing, and the stability cannot be controlled due to different personnel operation deformation.
2. The pressing and holding method comprises the following steps: the requirements on the cleanliness of the positioning table top and the table top are high, the pressing points cannot be uniformly distributed, the processing stress is easy to concentrate, and the processing deformation cannot be eliminated.
3. Hot melt adhesive method: the hot melt adhesive is relatively simple to operate, but the middle of a large-area part cannot be dispensed, cutting deformation is easy to generate, and the adhesive removal is time-consuming and labor-consuming.
4. Vacuum chuck method: at present, the sucker is more common, but cannot be uniformly stressed, and has poor universality and troublesome material changing.
Disclosure of Invention
The invention provides a production and manufacturing process for high-precision ultrathin mechanical structure parts, wherein one purpose is to provide a vacuum cavity, a through hole, a positioning pin hole, a sliding plate and a vacuum pump, so that the problems that in the existing clamping method, the parts cannot meet the requirements of design drawings, different personnel operation deformation amounts are different, stability cannot be controlled, the requirements on the cleanliness of a positioning table top and a table top are higher, the pressing points cannot be uniformly distributed, the processing stress is easily concentrated, and the processing deformation cannot be eliminated in the existing pressing method are solved; the other purpose is that in order to solve in the current hot melt adhesive method, hot melt adhesive operation is relatively simple, but unable point is glued in the middle of the part of large tracts of land, and cutting deformation produces easily, and in the time and energy that removes the glue and the vacuum chuck method, can't accomplish even atress, and the sucking disc commonality is poor, the more trouble problem of reloading.
In order to solve the technical problems, the invention adopts the following technical scheme: the production and manufacturing process for the high-precision ultrathin mechanical structural part comprises the following steps of:
step one: preparing a vacuum cavity 2;
Step two: installing a device;
Step three: use of the device;
wherein, the preparation of the vacuum cavity 2 in the first step comprises the following steps:
A1: the top surface of the vacuum cavity 2 is fully perforated with through holes 3 in a partitioning way, so that the through holes are uniformly distributed, and the vacuum cavity 2 is divided into an upper cavity and a lower cavity by adding sealing rings 7 on the periphery of a sliding plate 6 and adding four guide rods 5;
A2: after the cover plate 12 is sealed and added, the parallelism of the upper surface and the lower surface of the vacuum cavity 2 is controlled within 0.01mm after the running-in processing, the cover plate 12 is processed with three positioning pin holes 4 with the diameter of 10mm so as to be used for quick die changing, and the application range and the use efficiency of the equipment are increased;
The installation of the device in the second step comprises the following steps:
B1: the vacuum pump 11 is connected with the upper cavity after passing through the pressure regulating valve 9 and the pressure gauge 10, and the upper surface of the cover plate 12 of the vacuum cavity 2 is used as a mounting reference surface to mount the vacuum cavity 2 on the central workbench 1;
B2: placing the thin plate on the vacuum cavity 2, and covering the position of the through hole 3 uncovered by the thin plate by using thick plastic cloth to be soaked with water;
wherein the device comprises: the device comprises a central workbench 1, a vacuum cavity 2, a through hole 3, a positioning pin hole 4 and a sliding plate 6;
the upper surface of the center workbench 1 is provided with a vacuum cavity 2, a sliding plate 6 is arranged in the vacuum cavity 2, a sealing ring 7 is fixedly connected to the outer wall of the sliding plate 6, and the outer wall of the sealing ring 7 is movably connected with the inner wall of the vacuum cavity 2;
The upper surface of the vacuum cavity 2 is provided with a through hole 3, and the bottom surface of the vacuum cavity 2 is movably connected with a cover plate 12;
The bottom surface of the cover plate 12 is provided with a positioning pin hole 4;
the upper surface of the sliding plate 6 is provided with a guide hole, the inner wall of the guide hole is movably connected with a guide rod 5, and the top end of the guide rod 5 is fixedly connected with the top of the inner wall of the vacuum cavity 2.
The technical scheme of the invention is further improved in that the left side of the vacuum cavity 2 is fixedly connected with a steering valve 8 through a pipeline, and one side of the steering valve 8 far away from the vacuum cavity 2 is fixedly connected with a pressure regulating valve 9 through a pipeline.
The technical scheme of the invention is further improved in that a pressure gauge 10 is fixedly connected to the upper surface of one side of the pressure regulating valve 9, and a vacuum pump 11 is fixedly connected to the left end of the pressure regulating valve 9 through a pipeline.
The technical scheme of the invention is further improved in that the device in the third step comprises the following steps:
c1: the air in the upper cavity of the vacuum cavity 2 is pumped by a vacuum pump 11 to be vacuumized, and the thin plate is adsorbed on the upper plane of the vacuum cavity 2;
c2: the adsorption force in the production process is determined according to the deformation condition of the thin plate, and the pressure of the vacuum pump 11 is regulated through the pressure regulating valve 9 to control the adsorption force.
By adopting the technical scheme, compared with the prior art, the invention has the following technical progress:
1. The invention provides a production and manufacturing process for high-precision ultrathin mechanical structure parts, which increases the contact area of a thin plate and a sucker, can ensure that each part of the thin plate is stressed uniformly, thereby reducing the possibility of uneven local deformation, and solving the problems that in the existing clamping method, the parts cannot meet the requirements of design drawings, different personnel operate deformation amounts are different, stability cannot be controlled, the requirements on the cleanliness of a positioning table top and a table top are higher, the pressing points cannot be uniformly distributed, the processing stress is easy to concentrate, the problem of processing deformation cannot be solved, and in the existing hot melt adhesive method, the hot melt adhesive operation is relatively simple, the middle of a large-area part cannot be glued, the cutting deformation is easy to occur, the glue removal is time-consuming and labor-consuming, the uniform stress cannot be realized in the vacuum sucker method, the sucker universality is poor, and the material changing is more troublesome.
2. The invention provides a production and manufacturing process for high-precision ultrathin mechanical structure parts, wherein the vacuum pump pressure is regulated through the pressure regulating valve, so that the adsorption force can be controlled, the adsorption force can be dynamically regulated according to the deformation condition of a thin plate, and the adaptability of the device is greatly improved.
Drawings
Fig. 1 is a schematic structural view of the present invention.
In the figure: 1. a center table; 2. a vacuum chamber; 3. a through hole; 4. positioning pin holes; 5. a guide rod; 6. a sliding plate; 7. a seal ring; 8. a steering valve; 9. a pressure regulating valve; 10. a pressure gauge; 11. a vacuum pump; 12. and a cover plate.
Detailed Description
The invention is further illustrated by the following examples:
Example 1: in a first aspect, as shown in fig. 1, the present invention provides a manufacturing process for a high-precision ultrathin mechanical structural part, and the specific structure includes: the vacuum bench comprises a center workbench 1, a vacuum cavity 2, a through hole 3, a positioning pin hole 4 and a sliding plate 6, wherein the vacuum cavity 2 is arranged on the upper surface of the center workbench 1, the sliding plate 6 is arranged in the vacuum cavity 2, a sealing ring 7 is fixedly connected to the outer wall of the sliding plate 6, the outer wall of the sealing ring 7 is movably connected with the inner wall of the vacuum cavity 2, the through hole 3 is formed in the upper surface of the vacuum cavity 2, a cover plate 12 is movably connected to the bottom surface of the vacuum cavity 2, the positioning pin hole 4 is formed in the bottom surface of the cover plate 12, a guide hole is formed in the upper surface of the sliding plate 6, a guide rod 5 is movably connected to the inner wall of the guide hole, and the top end of the guide rod 5 is fixedly connected with the top of the inner wall of the vacuum cavity 2.
Example 2: as shown in fig. 1, on the basis of embodiment 1, the present invention provides a technical solution: preferably, the left side of the vacuum cavity 2 is fixedly connected with a steering valve 8 through a pipeline, one side of the steering valve 8 far away from the vacuum cavity 2 is fixedly connected with a pressure regulating valve 9 through a pipeline, the upper surface of one side of the pressure regulating valve 9 is fixedly connected with a pressure gauge 10, and the left end of the pressure regulating valve 9 is fixedly connected with a vacuum pump 11 through a pipeline.
The working principle of the production and manufacturing process for the high-precision ultrathin mechanical structural part is specifically described below.
As shown in figure 1, the bottom surface of a vacuum cavity 2 is fully filled with through holes 3 in a partitioning manner, the through holes 3 are uniformly distributed, the vacuum cavity 2 is internally divided into an upper cavity and a lower cavity by adding a sealing ring 7 on the periphery of a sliding plate 6 and adding four guide rods 5, after a cover plate 12 is sealed, the parallelism of the upper surface and the lower surface of the vacuum cavity 2 is controlled within 0.01mm after the processing is carried out, the cover plate 12 is processed with three positioning pin holes 4 with the diameter of 10mm so as to be used for quick die changing, the application range and the use efficiency of equipment are increased, then a vacuum pump 11 is connected with an upper cavity through a pressure regulating valve 9 and a pressure gauge 10, the vacuum cavity 2 is arranged on a central workbench 1 by taking the upper surface of a cover plate 12 of the vacuum cavity 2 as a mounting reference surface, a thin plate is placed on the upper surface of the vacuum cavity 2, the through holes 3 which are not covered by the thin plate are covered by thick plastic cloth, the vacuum pump 11 is used for pumping air in the upper cavity of the vacuum cavity 2, the thin plate is adsorbed on the upper surface of the vacuum cavity 2, the thin plate is determined according to the use of quick die changing, the application range of the equipment, the pressure is regulated according to the application of the pressure of the thin plate, and the vacuum absorption force can be controlled by regulating the pressure of the thin plate through the pressure regulating valve 11.
Example 3: in a second aspect, as shown in fig. 1, on the basis of embodiment 1 and embodiment 2, the present invention provides a technical solution:
the production and manufacturing process for the high-precision ultrathin mechanical structural part mainly comprises the following steps of:
step one: preparing a vacuum cavity 2;
Step two: installing a device;
Step three: use of the device.
The preparation of the vacuum chamber 2 in the first step comprises the following steps: a1: the top surface of the vacuum cavity 2 is divided into an upper cavity and a lower cavity by dividing the top surface into a plurality of areas, wherein the areas are filled with through holes 3 with the diameters of 0.2, so that the through holes are uniformly distributed, and the vacuum cavity 2 is divided into an upper cavity and a lower cavity by adding a sealing ring 7 on the periphery of a sliding plate 6 and adding four guide rods 5;
A2: after the cover plate 12 is sealed, parallelism of the upper surface and the lower surface of the vacuum cavity 2 is controlled within 0.01mm after the running-in processing, the cover plate 12 is processed with three positioning pin holes 4 with the diameter of 10mm so as to be used for quick die changing, and the application range and the use efficiency of the equipment are increased.
The installation of the device in the second step comprises the following steps: b1: the vacuum pump 11 is connected with the upper cavity after passing through the pressure regulating valve 9 and the pressure gauge 10, and the upper surface of the cover plate 12 of the vacuum cavity 2 is used as a mounting reference surface to mount the vacuum cavity 2 on the central workbench 1;
B2: the sheet is placed on top of the vacuum chamber 2 and the through holes 3 not covered by the sheet are covered with thick plastic cloth.
The use of the device in step three comprises the steps of: c1: the air in the upper cavity of the vacuum cavity 2 is pumped by the vacuum pump 11, so that the vacuum can be pumped, and the thin plate is adsorbed on the upper plane of the vacuum cavity 2.
C2: the size of the adsorption force in the production process is determined according to the deformation condition of the thin plate, and the pressure of the vacuum pump 11 is regulated through the pressure regulating valve 9, so that the size of the adsorption force can be controlled.
The beneficial effects are that: the invention provides a production and manufacturing process for high-precision ultrathin mechanical structure parts, which increases the contact area of a thin plate and a sucker, can ensure that each part of the thin plate is stressed uniformly, thereby reducing the possibility of uneven local deformation, and solving the problems that in the existing clamping method, the parts cannot meet the requirements of design drawings, different personnel operate deformation amounts, stability cannot be controlled, the requirements on cleanliness of a positioning table top and a table top are higher, the pressure holding points cannot be uniformly distributed, the processing stress is easy to concentrate, the processing deformation cannot be eliminated, and in the existing hot melt adhesive method, the hot melt adhesive operation is relatively simple, the middle of a large-area part cannot be subjected to adhesive dispensing, the cutting deformation is easy to generate, the adhesive removal is time-consuming and labor-consuming, the uniform stress cannot be realized in the vacuum sucker method, the sucker universality is poor, and the material replacement is more troublesome.
The invention provides a production and manufacturing process for high-precision ultrathin mechanical structure parts, wherein the pressure of a vacuum pump 11 is regulated through a pressure regulating valve 9, so that the size of the adsorption force can be controlled, the adsorption force can be dynamically regulated according to the deformation condition of a thin plate, and the adaptability of the device is greatly improved.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising a reference structure" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
The foregoing invention has been generally described in great detail, but it will be apparent to those skilled in the art that modifications and improvements can be made thereto. Accordingly, it is intended to cover modifications or improvements within the spirit of the inventive concepts.
Claims (4)
1. The production and manufacturing process for the high-precision ultrathin mechanical structural part is characterized by comprising the following steps of:
step one: preparing a vacuum cavity (2);
Step two: installing a device;
Step three: use of the device;
Wherein, the preparation of the vacuum cavity (2) in the first step comprises the following steps:
A1: the top surface of the vacuum cavity (2) is filled with through holes (3) in a partitioning way, so that the through holes are uniformly distributed, and the vacuum cavity (2) is divided into an upper cavity and a lower cavity by adding sealing rings (7) on the periphery of a sliding plate (6) and adding four guide rods (5);
A2: after the cover plate (12) is sealed and added, the parallelism of the upper surface and the lower surface of the vacuum cavity (2) is controlled within 0.01mm after the running-in processing, the cover plate (12) is processed with three positioning pin holes (4) with the diameter of 10mm so as to be used for quick die changing, and the application range and the use efficiency of equipment are increased;
The installation of the device in the second step comprises the following steps:
B1: the vacuum pump (11) is connected with the upper cavity after passing through the pressure regulating valve (9) and the pressure gauge (10), and the upper surface of the cover plate (12) of the vacuum cavity (2) is used as a mounting reference surface to mount the vacuum cavity (2) on the central workbench (1);
b2: placing the thin plate on the vacuum cavity (2), and covering the position of the through hole (3) uncovered by the thin plate by using thick plastic cloth to be soaked with water;
Wherein the device comprises: the device comprises a central workbench (1), a vacuum cavity (2), a through hole (3), a positioning pin hole (4) and a sliding plate (6);
The upper surface of the center workbench (1) is provided with a vacuum cavity (2), a sliding plate (6) is arranged in the vacuum cavity (2), a sealing ring (7) is fixedly connected to the outer wall of the sliding plate (6), and the outer wall of the sealing ring (7) is movably connected with the inner wall of the vacuum cavity (2);
The upper surface of the vacuum cavity (2) is provided with a through hole (3), and the bottom surface of the vacuum cavity (2) is movably connected with a cover plate (12);
A positioning pin hole (4) is formed in the bottom surface of the cover plate (12);
the upper surface of sliding plate (6) has seted up the guiding hole, the inner wall swing joint of guiding hole has guide bar (5), the top of guide bar (5) with the inner wall top fixed connection of vacuum chamber (2).
2. The manufacturing process for the high-precision ultrathin mechanical structural component according to claim 1, wherein the manufacturing process comprises the following steps of: the left side of vacuum chamber (2) is through pipeline fixedly connected with steering valve (8), the one side that steering valve (8) kept away from vacuum chamber (2) is through pipeline fixedly connected with pressure regulating valve (9).
3. The manufacturing process for the high-precision ultrathin mechanical structural component according to claim 1, wherein the manufacturing process comprises the following steps of: the upper surface of one side of the pressure regulating valve (9) is fixedly connected with a pressure gauge (10), and the left end of the pressure regulating valve (9) is fixedly connected with a vacuum pump (11) through a pipeline.
4. The manufacturing process for the high-precision ultrathin mechanical structural component according to claim 1, wherein the manufacturing process comprises the following steps of: the use of the device in the third step comprises the following steps:
c1: the air in the upper cavity of the vacuum cavity (2) is pumped by a vacuum pump (11), and the vacuum is pumped, so that the thin plate is adsorbed on the upper plane of the vacuum cavity (2);
C2: the adsorption force in the production process is determined according to the deformation condition of the thin plate, and the pressure of the vacuum pump (11) is regulated through the pressure regulating valve (9) to control the adsorption force.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111472799.0A CN114147640B (en) | 2021-12-06 | 2021-12-06 | Production and manufacturing process for high-precision ultrathin mechanical structural part |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111472799.0A CN114147640B (en) | 2021-12-06 | 2021-12-06 | Production and manufacturing process for high-precision ultrathin mechanical structural part |
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| CN114147640A CN114147640A (en) | 2022-03-08 |
| CN114147640B true CN114147640B (en) | 2024-07-19 |
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| CN202111472799.0A Active CN114147640B (en) | 2021-12-06 | 2021-12-06 | Production and manufacturing process for high-precision ultrathin mechanical structural part |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115302554B (en) * | 2022-08-23 | 2023-09-19 | 靖江佳仁半导体科技有限公司 | Modularized device and technology for processing special-shaped ultrathin parts |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102825392A (en) * | 2012-09-12 | 2012-12-19 | 昆山允可精密工业技术有限公司 | Novel vacuum-absorption working platform |
| CN106217087A (en) * | 2016-06-30 | 2016-12-14 | 山东鲁南机床有限公司 | A kind of lossless clamping device for thick gum base sheet |
| CN213730601U (en) * | 2020-11-04 | 2021-07-20 | 捷而科电材（上海）有限公司 | Vacuum adsorption fixing mold |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| KR101627913B1 (en) * | 2014-05-26 | 2016-06-07 | 세메스 주식회사 | Table assembly for supporting semiconductor packages |
| CN106050919A (en) * | 2016-07-22 | 2016-10-26 | 中国工程物理研究院机械制造工艺研究所 | Vacuum preloading air flotation rotary table |
| CN207953274U (en) * | 2018-01-04 | 2018-10-12 | 陈艳艳 | A multifunctional vacuum suction cup |
| CN110281057A (en) * | 2019-05-31 | 2019-09-27 | 西南电子技术研究所（中国电子科技集团公司第十研究所） | The general self-sealing of vacuum suction system opens and closes connector certainly |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102825392A (en) * | 2012-09-12 | 2012-12-19 | 昆山允可精密工业技术有限公司 | Novel vacuum-absorption working platform |
| CN106217087A (en) * | 2016-06-30 | 2016-12-14 | 山东鲁南机床有限公司 | A kind of lossless clamping device for thick gum base sheet |
| CN213730601U (en) * | 2020-11-04 | 2021-07-20 | 捷而科电材（上海）有限公司 | Vacuum adsorption fixing mold |
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