CN203979400U - A kind of movable sealing mechanism that is applied to placement head system - Google Patents
A kind of movable sealing mechanism that is applied to placement head system Download PDFInfo
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- CN203979400U CN203979400U CN201420419959.4U CN201420419959U CN203979400U CN 203979400 U CN203979400 U CN 203979400U CN 201420419959 U CN201420419959 U CN 201420419959U CN 203979400 U CN203979400 U CN 203979400U
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- sealing
- placement head
- head system
- suction nozzle
- air inlet
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Abstract
The utility model provides a kind of movable sealing mechanism that is applied to placement head system, described placement head system comprises air inlet seat and is arranged on the rotary suction nozzle in described air inlet seat, the first Sealing, be arranged in the holding space of described air inlet seat, and be sheathed on the upper end of described rotary suction nozzle, comprise and being formed on its body in order to embed the annular groove of O RunddichtringO, the annular bottom surface of described body is formed with primary sealing area; The second Sealing, be sheathed on described rotary suction nozzle and with described primary sealing area and combine, and can rotate relative to described the first Sealing with described rotary suction nozzle, the annular top surface of described the second Sealing is formed with the corresponding secondary sealing area in conjunction with described primary sealing area; Elastic component, is arranged in described holding space and the top of described the first Sealing, oppresses described the first Sealing, causes placement head system reliability to reduce and draws the problems such as electronic component is not accurate because of vacuum leak to solve in prior art.
Description
Technical field
The utility model relates to chip mounter technical field, particularly relates to a kind of movable sealing mechanism that is applied to placement head system.
Background technique
Chip mounter is the key equipment in SMT production line, and existing chip mounter roughly can be divided three classes structure: arched type, rotary type tower, composite structure.Different chip mounters respectively has quality, conventionally depends on the coupling between requirement and speed and the precision of application to system.Although chip mounter is of a great variety, integrates and can be summarised as briefly following four part compositions: mount system, feeding system, substrate transport system and management control system.Wherein mounting system is the core component of chip mounter, completes the overall process that component chip picks up, proofreaies and correct, correctly mounts, and has determined structure and the main performance of chip mounter.1), by oscilaltion campaign, to realize mounting circuit elements device placement head is as the crucial parts that mount system, is mainly used in realizing following three functions:; 2), by rotatablely moving, the biased error of circuit elements device is proofreaied and correct; 3), vacuum-control(led) system completes picking up and discharging circuit elements device.Therefore, the quality of placement head performance will directly affect the speed and the precision that mount.
In the prior art, owing to significantly rotating for a long time and using component suction nozzle can make wherein the aging or wearing and tearing of sealed member, make can produce vacuum leak between component suction nozzle and cavity, and then cause placement head functional reliability to reduce, draw electronic component not accurate, for this reason, how to overcome this defect, the real practitioner in the art's technical problem urgently to be resolved hurrily that become.
Model utility content
The shortcoming of prior art in view of the above, the purpose of this utility model is to provide a kind of movable sealing mechanism that is applied to placement head system, causes placement head system reliability to reduce and draws the problems such as electronic component is not accurate because of vacuum leak for solving prior art.
For achieving the above object and other relevant objects, the utility model provides a kind of movable sealing mechanism that is applied to placement head system, described placement head system comprises air inlet seat and is arranged on the rotary suction nozzle in described air inlet seat, described movable sealing mechanism comprises: the first Sealing, the second Sealing, and elastic component.Wherein, described the first Sealing is arranged in the holding space of described air inlet seat, and be sheathed on the upper end of described rotary suction nozzle, and comprise a body and be formed on described body in order to embed the annular groove of O RunddichtringO, the annular bottom surface of described body is formed with primary sealing area; Described the second Sealing is sheathed on described rotary suction nozzle and with described primary sealing area and combines, and can rotate relative to described the first Sealing with described rotary suction nozzle, the annular top surface of described the second Sealing is formed with the corresponding secondary sealing area in conjunction with described primary sealing area; Described elastic component is arranged in described holding space and the top of described the first Sealing, oppresses described the first Sealing.
In concrete mode of execution, described O RunddichtringO is embedded in described annular groove to seal the holding space of described air inlet seat.
In concrete mode of execution, described elastic component is Compress Spring, shell fragment or butterfly spring.
In concrete mode of execution, the material of described the first Sealing and the second Sealing is metal, pottery, plastics or rubber.Or the material of described the first Sealing and the second Sealing is Teflon.
In concrete mode of execution, described primary sealing area and secondary sealing area are smooth face.
As mentioned above, the movable sealing mechanism that is applied to placement head system of the present utility model, sealing surface by the first Sealing and the second Sealing has been realized combining closely of face and face, make air inlet seat inner cavity realize reliability sealing, oppress the first Sealing by elastic component more simultaneously, further improve the reliability of sealing, and, in the time that the sealing surface relative movement of first and second Sealing produces wearing and tearing, also can compensate the micro-gap producing because of wearing and tearing by the lasting oppressive force of elastic component, and then ensure the reliability of whole movable sealing mechanism.
Brief description of the drawings
Fig. 1 is shown as the movable sealing mechanism schematic diagram in placement head system of the present utility model.
Fig. 2 is shown as A place enlarged diagram in Fig. 1.
Fig. 3 is shown as movable sealing mechanism cross-sectional view of the present utility model.
Fig. 4 is shown as movable sealing mechanism perspective view of the present utility model.
Element numbers explanation
10 suction nozzle bases
11 air inlet seat
12 holding spaces
13 gas-entered passageways
21 rotary suction nozzles
31 first Sealings
311 annular grooves
312 primary sealing areas
32 second Sealings
321 secondary sealing areas
33 elastic components
34 O RunddichtringOs
Embodiment
By particular specific embodiment, mode of execution of the present utility model is described below, person skilled in the art scholar can understand other advantages of the present utility model and effect easily by the disclosed content of this specification.
Movable sealing mechanism in placement head system of the present utility model describes in connection with Fig. 1 to Fig. 4 in following specific embodiment.Notice, appended graphic the illustrated structure of this specification, ratio, size etc., all contents in order to coordinate specification to disclose only, understand and read for person skilled in the art scholar, not in order to limit the enforceable qualifications of the utility model, therefore the not technical essential meaning of tool, the adjustment of the modification of any structure, the change of proportionate relationship or size, do not affecting under effect that the utility model can produce and the object that can reach, all should still drop on the technology contents that the utility model discloses and obtain in the scope that can contain.Simultaneously, in this specification, quote as " on ", the term of D score, " left side ", " right side ", " centre " and " " etc., also only for ease of understanding of narrating, but not in order to limit the enforceable scope of the utility model, the change of its relativeness or adjustment, changing under technology contents, when being also considered as the enforceable category of the utility model without essence.
Refer to Fig. 1 to Fig. 4, Fig. 1 is shown as the movable sealing mechanism schematic diagram in placement head system of the present utility model, Fig. 2 is shown as A place enlarged diagram in Fig. 1, Fig. 3 is shown as movable sealing mechanism cross-sectional view of the present utility model, and Fig. 4 is shown as movable sealing mechanism perspective view of the present utility model.
As shown in the figure, the utility model provides a kind of movable sealing mechanism that is applied to placement head system, described placement head system comprises air inlet seat 11 and is arranged on the rotary suction nozzle 21 in described air inlet seat 11, described placement head system also comprises a suction nozzle base 10, rotary suction nozzle 21 is rotating to be arranged on suction nozzle base 10, between suction nozzle base 10 and air inlet seat 11, has support block 14 to be connected.What need special declaration is, described placement head system is as the important component part of chip mounter, and the concrete structure that it is inner and details are more complicated, for the ease of setting forth principle of the present utility model and effect, in the present embodiment, only taking the assembly that relates in the utility model as setting forth object.In actual application, in described air inlet seat 11, offer slotted eye, the bottom of described slotted eye offers multiple for installing the holding space 12 of rotary suction nozzle 21, penetrate the gas-entered passageway 13 of described air inlet seat 11 with described holding space 12 UNICOMs, particularly, the diameter of described gas-entered passageway 13 is less than described holding space 12.Described gas-entered passageway 13 can be installed the pneumatic tube (diagram) with described rotary suction nozzle 21 UNICOMs.
The movable sealing mechanism that the utility model provides comprises: the first Sealing 31, the second Sealings 32, and elastic component 33.
Described the first Sealing 31 is arranged in the holding space 12 of described air inlet seat 11, and be sheathed on the upper end of described rotary suction nozzle 21, described the first Sealing 31 comprises the body that is tube-in-tube structure, described being is formed with an annular groove 311 on tube-in-tube structure body, described annular groove 311 can be used to embed an O RunddichtringO 34, described O RunddichtringO 34 is embedded in described annular groove 311 the inwall phase extrusion-deformation with described holding space 12, reaches the effect of the holding space 12 of the described air inlet seat 11 of sealing.The annular bottom surface of described body is formed with primary sealing area 312, and particularly, described primary sealing area 312 is smooth face.In specific embodiment, the material of described the first Sealing 31 is metal, pottery, plastics or rubber alternatively.Wherein said plastics are such as being wear-resistant plastic etc., or described the first Sealing 31 can also be Teflon material.
Described the second Sealing 32 is sheathed on described rotary suction nozzle 21, combine with the primary sealing area 312 of described the first Sealing 31, described the second Sealing 32 can rotate (being sense of rotation as shown in Figure 2) relative to described the first Sealing 31 with described rotary suction nozzle 21, the annular top surface of described the second Sealing 32 is formed with correspondence and fits tightly the secondary sealing area 321 of described primary sealing area 312, realize combining closely of face and face, made air inlet seat 11 inner cavities realize reliability sealing.In the present embodiment, described the second Sealing 32 is also tube-in-tube structure, and described secondary sealing area 321 matches with the primary sealing area 312 of described the first Sealing 31, and described secondary sealing area 321 is smooth face.In specific embodiment, the material of described the second Sealing 32 is metal, pottery, plastics or rubber alternatively.Wherein said plastics are such as being wear-resistant plastic etc., or described the second Sealing 32 can also be Teflon material.But be not limited to this, in actual application, every first and second sealing surface 321 that can form smooth face is all applicable to the utility model, hereby states clearly.
Described elastic component 33 is arranged on the top of oppressing described the first Sealing 31 in described holding space 12.Particularly, the top of described elastic component 33 is resisted against the top of described holding space 12, the base abuts of described elastic component 33 is on the top of described the first Sealing 31, described elastic component 33 is because distortion is to described the first Sealing 31 continu to press, and then guarantee two tightnesses that sealing surface is combined of described the first Sealing 31 and described the second Sealing 32, further improve the reliability of sealing with this, and, in the time that the sealing surface relative movement of first and second Sealing 32 produces wearing and tearing, the micro-gap that the lasting oppressive force compensation that also can provide by elastic component 33 produces because of wearing and tearing, and then ensure the reliability of whole movable sealing mechanism.In the diagram providing at the present embodiment, described elastic component 33 is Compress Spring, but be not limited to this, in other mode of execution, also for shell fragment or butterfly shell fragment etc., other have the element of elastic performance to described elastic component 33 alternatively, in other words, everyly can provide the element of oppressive force to be all applicable to the utility model to described the first Sealing 31.
This movable sealing mechanism compact structure, when still it is applied to the placement head that many suction nozzles arrange, the difficulty of having avoided a large amount of flexible pipes to connect, ensures again reliable sealing when suction nozzle moves flexibly.
In sum, movable sealing mechanism of the present utility model has been realized combining closely of face and face by the sealing surface of the first Sealing and the second Sealing, make air inlet seat inner cavity realize reliability sealing, oppress the first Sealing by elastic component more simultaneously, further improve the reliability of sealing, and, in the time that the sealing surface relative movement of first and second Sealing produces wearing and tearing, the lasting oppressive force that also can provide by elastic component compensates the micro-gap producing because of wearing and tearing, and then has ensured the reliability of whole movable sealing mechanism.So the utility model has effectively overcome various shortcoming of the prior art and tool high industrial utilization.
Above-described embodiment is illustrative principle of the present utility model and effect thereof only, but not for limiting the utility model.Any person skilled in the art scholar all can, under spirit of the present utility model and category, modify or change above-described embodiment.Therefore, have in technical field under such as and conventionally know that the knowledgeable modifies or changes not departing from all equivalences that complete under spirit that the utility model discloses and technological thought, must be contained by claim of the present utility model.
Claims (6)
1. be applied to a movable sealing mechanism for placement head system, described placement head system comprises air inlet seat and is arranged on the rotary suction nozzle in described air inlet seat, it is characterized in that, described movable sealing mechanism comprises:
The first Sealing, is arranged in the holding space of described air inlet seat, and is sheathed on the upper end of described rotary suction nozzle, comprises a body and is formed on described body in order to embed the annular groove of O RunddichtringO, and the annular bottom surface of described body is formed with primary sealing area;
The second Sealing, be sheathed on described rotary suction nozzle and with described primary sealing area and combine, and can rotate relative to described the first Sealing with described rotary suction nozzle, the annular top surface of described the second Sealing is formed with the corresponding secondary sealing area in conjunction with described primary sealing area;
Elastic component, is arranged in described holding space and the top of described the first Sealing, oppresses described the first Sealing.
2. the movable sealing mechanism that is applied to placement head system according to claim 1, is characterized in that: described O RunddichtringO is embedded in described annular groove to seal the holding space of described air inlet seat.
3. the movable sealing mechanism that is applied to placement head system according to claim 1, is characterized in that: described elastic component is Compress Spring, shell fragment or butterfly spring.
4. the movable sealing mechanism that is applied to placement head system according to claim 1, is characterized in that: the material of described the first Sealing and the second Sealing is metal, pottery, plastics or rubber.
5. the movable sealing mechanism that is applied to placement head system according to claim 1, is characterized in that: the material of described the first Sealing and the second Sealing is Teflon.
6. the movable sealing mechanism that is applied to placement head system according to claim 1, is characterized in that: described primary sealing area and secondary sealing area are smooth face.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420419959.4U CN203979400U (en) | 2014-07-28 | 2014-07-28 | A kind of movable sealing mechanism that is applied to placement head system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420419959.4U CN203979400U (en) | 2014-07-28 | 2014-07-28 | A kind of movable sealing mechanism that is applied to placement head system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203979400U true CN203979400U (en) | 2014-12-03 |
Family
ID=51976846
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420419959.4U Active CN203979400U (en) | 2014-07-28 | 2014-07-28 | A kind of movable sealing mechanism that is applied to placement head system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203979400U (en) |
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2014
- 2014-07-28 CN CN201420419959.4U patent/CN203979400U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20160921 Address after: 200433 Shanghai City, Yangpu District National Road No. 323 room 1102-125 Patentee after: Shanghai Auto Control System Co., Ltd. Address before: 200433 Shanghai City, Yangpu District National Road No. 335 Building No. 2, 1803, 1805, 1806, 1807. Patentee before: Shanghai Ruking Electronic Science & Technology Co., Ltd. |