CN211702588U - Turret type mounting head pneumatic system - Google Patents
Turret type mounting head pneumatic system Download PDFInfo
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- CN211702588U CN211702588U CN202020332873.3U CN202020332873U CN211702588U CN 211702588 U CN211702588 U CN 211702588U CN 202020332873 U CN202020332873 U CN 202020332873U CN 211702588 U CN211702588 U CN 211702588U
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Abstract
The utility model aims at providing a simple structure, job stabilization and small turret formula first pneumatic system of subsides dress. The utility model discloses a first vacuum generator, second vacuum generator, malleation input unit, walk the gas ring, capstan head disc and a plurality of vacuum suction head, walk the gas ring with capstan head disc normal running fit, it is equipped with main vacuum cavity and independent vacuum hole on the gas ring to walk, main vacuum cavity with first vacuum generator intercommunication, independent vacuum hole with second vacuum generator malleation input unit intercommunication, be equipped with on the capstan head disc with a plurality of connecting holes of vacuum suction head one-to-one intercommunication, it is a plurality of the connecting hole is circumference array and distributes, main vacuum cavity reaches independent vacuum hole all with a plurality of the connecting hole cooperation. The utility model discloses be applied to the technical field of turret formula subsides dress head.
Description
Technical Field
The utility model discloses be applied to the first technical field of turret formula subsides dress, in particular to first pneumatic system of turret formula subsides dress.
Background
In recent years, the electronic product manufacturing industry in China develops rapidly, and the annual average growth is kept above 20%. The key point is the manufacture of PCBA, the chip mounter is used as key equipment of the surface mounting technology, the chip mounter is developed rapidly in recent years, the market of the chip mounter in China at present seriously depends on import, and the chip mounter which is developed autonomously in China is still in the trial-manufacture stage. The mounting head is used as a core component of the chip mounter, the technical difficulty is high, the process and the structure are complex, and the overall performance of the chip mounter is directly determined by the performance of the mounting head. The existing turret type mounting head has various gas circuit design types, the reason that the turret type mounting head has higher difficulty than a parallel type mounting head is that suction heads of the turret type mounting head are annularly distributed, a single suction head needs to revolve around the axis of a turret besides rotation, and due to revolution, a gas slip ring is needed to be used as rotary connection of a gas circuit when the gas circuit is connected. If a standard slip ring is adopted in the turret type mounting head, only a few suction heads can be arranged due to the large size of the standard slip ring, and the overall structure is huge if a plurality of suction heads are required to be arranged; and the use of a customized slip ring will increase the cost of production and development.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that overcome prior art not enough, provide a simple structure, job stabilization and small turret formula first pneumatic system of subsides dress.
The utility model adopts the technical proposal that: the utility model discloses a first vacuum generator, second vacuum generator, malleation input unit, walk the gas ring, capstan head disc and a plurality of vacuum suction head, walk the gas ring with capstan head disc normal running fit, it is equipped with main vacuum cavity and independent vacuum hole on the gas ring to walk, main vacuum cavity with first vacuum generator intercommunication, independent vacuum hole with second vacuum generator malleation input unit intercommunication, be equipped with on the capstan head disc with a plurality of connecting holes of vacuum suction head one-to-one intercommunication, it is a plurality of the connecting hole is circumference array and distributes, main vacuum cavity reaches independent vacuum hole all with a plurality of the connecting hole cooperation.
According to the scheme, the patch is sucked up by providing negative pressure through the first vacuum generator and the second vacuum generator. Through the malleation input device provide malleation and with independent vacuum hole intercommunication, and then realize independent vacuum hole communicates vacuum suction head carries out broken vacuum and puts down the paster, simultaneously through influence all the other vacuum suction head that are tightly inhaling when broken vacuum is avoided in the design in independent vacuum hole. The main vacuum cavity provides negative pressure for all vacuum suction heads except the vacuum suction head communicated with the independent vacuum hole, and then the paster to be pasted is tightly adsorbed. The independent vacuum holes are communicated with the second vacuum generator and the positive pressure input device at the same time, so that the functions of sucking up the patch and putting down the patch are achieved. The turret disc is driven to rotate through an external driving mechanism to realize switching between the vacuum suction head and the two cavities, wherein the vacuum suction head communicated with the independent vacuum hole can be switched between a negative pressure state and a positive pressure state. In addition, the air passage control of the independent vacuum holes can be carried out by adding an electromagnetic valve, so that the first vacuum generator simultaneously carries out the negative pressure supply of the main vacuum cavity and the independent vacuum holes, and the cost of two vacuum generators is further saved.
Preferably, the main vacuum cavity is arc-shaped, the diameter of the arc is equal to the diameter of a circle formed by the connecting holes, and the independent vacuum suction holes are located on a circular trajectory line formed by the connecting holes.
According to the scheme, the main vacuum cavity and the independent vacuum suction holes can be communicated with the connecting holes by adopting the design of equal diameter, so that the functions of the corresponding vacuum suction heads are controlled.
Preferably, the main vacuum chamber is communicated with the first vacuum generator through a plurality of first joints, and the independent vacuum holes are communicated with the second vacuum generator through second joints.
Preferably, the first vacuum generator is a high-flow vacuum generator.
According to the scheme, the vacuum suction head which is communicated with the main vacuum cavity and does not suck the patch is in an air leakage state, so that a large-flow vacuum generator is needed to counteract vacuum leakage, and the vacuum suction head which sucks the patch is ensured to have enough negative pressure to suck the patch tightly.
Preferably, the second vacuum generator is a high vacuum type vacuum generator.
According to the scheme, only the vacuum suction head communicated with the independent vacuum hole has the capacity of picking and placing the patch, so that the position is a picking and placing station, and the patch can be smoothly sucked by high vacuum when being sucked.
According to a preferable scheme, at least two sealing rings are arranged on the gas walking ring, the two sealing rings are respectively arranged on the inner side and the outer side of the main vacuum cavity, sealing rings are arranged on the peripheries of the independent vacuum holes, and the sealing rings are matched and sealed with the turret disc.
According to the scheme, the two sealing rings are matched to seal the main vacuum cavity, and the main vacuum cavity and the independent vacuum holes are isolated through the sealing rings, so that air leakage is prevented.
Further preferably, the cross section of the sealing ring is X-shaped.
According to the scheme, the gas walking ring and the turret disc can rotate relatively when working, so that the sealing structure is dynamic sealing, the sealing ring with the X-shaped cross section has low friction, smooth working of the gas walking ring and the turret disc is further ensured, the four surfaces of the sealing ring are provided with grooves due to the X-shaped cross section, lubricating grease can be better stored through the four grooves, and better lubrication is further obtained.
Further preferably, all the sealing rings and the sealing rings are coated with vacuum silicone grease.
According to the scheme, the vacuum silicone grease has good compatibility with rubber products, and can not be solidified, and the sealing ring are matched for use, so that a good sealing effect can be achieved.
Drawings
Fig. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic perspective view of the air ring;
FIG. 3 is a schematic perspective view of the assembled state of the air ring;
fig. 4 is a cross-sectional view of the present invention;
FIG. 5 is an enlarged view of portion A of FIG. 4;
fig. 6 is an enlarged view of a portion B in fig. 4.
Detailed Description
As shown in fig. 1 to 6, in this embodiment, the utility model discloses a first vacuum generator, second vacuum generator, malleation input device, walk gas ring 1, capstan head disc 2 and a plurality of vacuum suction head 3, walk gas ring 1 with 2 normal running fit of capstan head disc, it is equipped with main vacuum chamber 4 and independent vacuum hole 5 on the gas ring 1 to walk, main vacuum chamber 4 with first vacuum generator intercommunication, independent vacuum hole 5 with second vacuum generator the malleation input device intercommunication, be equipped with on the capstan head disc 2 with a plurality of connecting holes 6 of vacuum suction head 3 one-to-one intercommunication, a plurality of connecting hole 6 is circumference array and distributes, main vacuum chamber 4 reaches independent vacuum hole 5 all with a plurality of connecting hole 6 cooperates.
In this embodiment, the main vacuum chamber 4 has a circular arc shape, the diameter of the circular arc is equal to the diameter of a circle formed by the plurality of connecting holes 6, and the independent vacuum holes 5 are located on a circular trajectory line formed by the plurality of connecting holes 6.
In this embodiment, the main vacuum container 4 is connected to the first vacuum generator through a plurality of first joints 7, and the individual vacuum holes 5 are connected to the second vacuum generator through a second joint 8.
In this embodiment, the first vacuum generator is a large flow type vacuum generator. The second vacuum generator is a high vacuum type vacuum generator.
In this embodiment, the gas circulation ring 1 is provided with at least two sealing rings 9, the two sealing rings 9 are respectively disposed on the inner side and the outer side of the main vacuum cavity 4, the periphery of the independent vacuum hole 5 is provided with a sealing ring 10, and the sealing rings 9 and the sealing ring 10 are both matched and sealed with the turret disc 2. The cross section of the sealing ring 9 is X-shaped. All the sealing rings 9 and the sealing rings 10 are coated with vacuum silicone grease.
In this embodiment, the connection hole 6 is connected to the corresponding vacuum suction head 3 through a third joint 11 and a pipe.
The utility model discloses a theory of operation:
the first vacuum generator is kept in an open state while the mounting head is operating.
When the paster is sucked, the external driving mechanism drives the air walking ring 1 to descend, so that the vacuum suction head 3 communicated with the independent vacuum hole 5 is contacted with the paster. The second vacuum generator is then activated so that the vacuum suction head 3 sucks up the patch. After the suction, the air-moving ring 1 is lifted, and the turret disc 2 is driven by an external driving mechanism to rotate, so that the vacuum suction head 3 which has just sucked the patch is separated from the independent vacuum hole 5 and is connected into the main vacuum cavity 4. And the next in-line vacuum tip 3 is docked with the individual vacuum port 5.
When discharging is carried out, the vacuum suction head 3 needing discharging is switched to the independent vacuum hole 5 from the main vacuum cavity 4 under the driving of an external driving mechanism, the second vacuum generator is closed instantly when discharging is carried out, meanwhile, the positive pressure input device breaks vacuum, and then the patch is blown out to realize discharging. Then the vacuum suction head 3 is driven by an external mechanism to rise, and the second vacuum generator is started again after the vacuum suction head rises for a certain distance, so that the patch is prevented from being sucked up again.
Claims (8)
1. The utility model provides a first pneumatic system of turret formula subsides which characterized in that: it includes first vacuum generator, second vacuum generator, malleation input unit, walks gaseous ring (1), capstan head disc (2) and a plurality of vacuum suction head (3), walk gaseous ring (1) with capstan head disc (2) normal running fit, it is equipped with main vacuum cavity (4) and independent vacuum hole (5) on gaseous ring (1) to walk, main vacuum cavity (4) with first vacuum generator intercommunication, independent vacuum hole (5) with second vacuum generator malleation input unit intercommunication, be equipped with on capstan head disc (2) with a plurality of connecting holes (6) of vacuum suction head (3) one-to-one intercommunication, a plurality of connecting hole (6) are circumference array and distribute, main vacuum cavity (4) reach independent vacuum hole (5) all with a plurality of connecting hole (6) cooperation.
2. The turret-type mounting head pneumatic system according to claim 1, wherein: the main vacuum cavity (4) is arc-shaped, the diameter of the arc is equal to that of a circle formed by the connecting holes (6), and the independent vacuum holes (5) are located on a circular trajectory line formed by the connecting holes (6).
3. The turret-type mounting head pneumatic system according to claim 1, wherein: the main vacuum cavity (4) is communicated with the first vacuum generator through a plurality of first joints (7), and the independent vacuum holes (5) are communicated with the second vacuum generator through second joints (8).
4. The turret-type mounting head pneumatic system according to claim 1, wherein: the first vacuum generator is a high-flow vacuum generator.
5. The turret-type mounting head pneumatic system according to claim 1, wherein: the second vacuum generator is a high vacuum type vacuum generator.
6. The turret-type mounting head pneumatic system according to claim 1, wherein: the turret sealing device is characterized in that at least two sealing rings (9) are arranged on the gas walking ring (1), the two sealing rings (9) are respectively arranged on the inner side and the outer side of the main vacuum cavity (4), sealing rings (10) are arranged on the periphery of the independent vacuum holes (5), and the sealing rings (9) and the sealing rings (10) are matched and sealed with the turret disc (2).
7. The turret-type mounting head pneumatic system according to claim 6, wherein: the cross section of the sealing ring (9) is X-shaped.
8. The turret-type mounting head pneumatic system according to claim 6, wherein: vacuum silicone grease is coated on all the sealing rings (9) and the sealing rings (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020332873.3U CN211702588U (en) | 2020-03-17 | 2020-03-17 | Turret type mounting head pneumatic system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020332873.3U CN211702588U (en) | 2020-03-17 | 2020-03-17 | Turret type mounting head pneumatic system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211702588U true CN211702588U (en) | 2020-10-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020332873.3U Active CN211702588U (en) | 2020-03-17 | 2020-03-17 | Turret type mounting head pneumatic system |
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| CN (1) | CN211702588U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114678320A (en) * | 2022-03-18 | 2022-06-28 | 深圳市鹰眼在线电子科技有限公司 | Mini LED mounting head vacuum distribution device |
-
2020
- 2020-03-17 CN CN202020332873.3U patent/CN211702588U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114678320A (en) * | 2022-03-18 | 2022-06-28 | 深圳市鹰眼在线电子科技有限公司 | Mini LED mounting head vacuum distribution device |
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