CN207446633U - Needle head of adhesive dispenser Z-direction calibrator - Google Patents
Needle head of adhesive dispenser Z-direction calibrator Download PDFInfo
- Publication number
- CN207446633U CN207446633U CN201720226529.4U CN201720226529U CN207446633U CN 207446633 U CN207446633 U CN 207446633U CN 201720226529 U CN201720226529 U CN 201720226529U CN 207446633 U CN207446633 U CN 207446633U
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- China
- Prior art keywords
- needle
- core
- syringe needle
- connecting plate
- core cylinder
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Abstract
Needle head of adhesive dispenser Z-direction calibrator,Including floating hub assemblies,Floating hub assemblies include syringe needle,Syringe needle is connected with needle core,Needle core is with core cylinder using sliding connection,The top and bottom of core cylinder is connected to upper limit ring and lower limit ring,Resetting spring is installed at the endoporus of core cylinder,Core cylinder is mounted on connecting plate,Displacement detection module is provided on connecting plate,Connecting plate is mounted on the workbench of Z-direction feeding drive mechanism,Floating hub assemblies are positioned and are connected using the conical surface with connecting plate,When syringe needle is not pressurized,Under the action of resetting spring,One end of needle core connecting needle is contacted with lower limit ring,When syringe needle is pressurized and is moved relative to core cylinder,Displacement detection module detects displacement of the syringe needle with respect to core cylinder,And signal is sent to Z-direction feed system when displacement satisfaction setting condition,Realize that syringe needle Z-direction is calibrated automatically by Z-direction feed system,The utility model has automatic,The characteristics of realizing the Z-direction calibration of syringe needle exactly.
Description
Technical field
The utility model is related to dispenser technical fields, more particularly to needle head of adhesive dispenser Z-direction calibrator needle head of adhesive dispenser Z
To calibrator.
Background technology
In microelectronic packaging technology field, usually using dispenser in circuit substrate designated position spot printing glue, glue is utilized
Liquid realizes overlapping, fixing for electronic component；To ensure the accuracy of dispensing position, point should be determined first before dispensing operation
The position of needle head opposing circuit substrate, the position correction of this process, that is, dispensing needle head.
At present, position correction of the syringe needle in X/Y plane mostly using substrate MAKR points as target point, passes through vision positioning method
Realize the position correction of syringe needle, vision positioning method is not easy to realize the Z-direction calibration of syringe needle.Publication No. CN104138825A's
Chinese invention patent discloses a kind of syringe needle Z-direction calibration method, and dispenser is made to be moved along Z-direction relative to a zero-in gauge,
When syringe needle touches correcting fixture top surface, form current conductive state and trigger a zero-in signal, establish Z-direction whereby
Calibration of the syringe needle in Z-direction position is realized in virtual origin position；Authorization Notice No. is CN 204685408U disclosure of the invention one kind
Syringe needle Z-direction calibrating installation mainly including calibration block, pressure sensor, laser position sensors, is moved in Z-direction by syringe needle and touched
Calibration block above bruising force snesor, sends calibration signal, and syringe needle Z-direction position correction is realized using the signal.
The common trait of above-mentioned patent the method is, syringe needle is made to touch the top surface of a calibration block with rigid manner,
Calibration signal is generated by syringe needle, calibration block contact, signal realizes the Z-direction calibration of syringe needle whereby, however there are following points：One
It is that syringe needle touches calibration block with rigid manner in calibration process, syringe needle is easily deformed, and influences calibration accuracy, second is that only being touched in syringe needle
And a signal is triggered during calibration block top surface, which is not enough to support the precise controlling that syringe needle moves in calibration process, influences
Calibration accuracy is calibrated third, being unable to opposing substrate, calibration block top surface and substrate surface the relative position error and substrate thickness
Error can influence calibration accuracy；In addition the structure of calibrating installation is more complicated, cost is also higher.
The content of the invention
In order to overcome the problems, such as that above-mentioned existing syringe needle Z-direction position correction technology exists, the purpose of this utility model is that carrying
For needle head of adhesive dispenser Z-direction calibrator, there is Z that is automatic, realizing syringe needle exactly to calibration.
To achieve these goals, the technical solution adopted in the utility model is：
Needle head of adhesive dispenser Z-direction calibrator, including floating hub assemblies 1, displacement detection module 2, connecting plate 3 and Z to feeding
System 4, the floating hub assemblies 1 include the syringe needle 16 positioned at bottom, and syringe needle 16 is connected with needle core 11, needle core 11 and core
Cylinder 12 is using sliding connection, and the top and bottom of core cylinder 12 is connected to upper limit ring 14 and lower limit ring 15, in core
Resetting spring 13 is installed, the core cylinder 12 is mounted on connecting plate 3, and displacement detection module 2 is mounted at the endoporus of cylinder 12
On connecting plate 3 and positioned at 1 top of floating hub assemblies, connecting plate 3 is mounted on the workbench of Z-direction feed system 4, floating needle stand
Component 1 is positioned and is connected using the conical surface with connecting plate 3.
The needle core 11 is from one end of connecting needle 16, successively including guide section 111, shoulder 112, linkage section 113,
111 diameter of guide section is more than the diameter of linkage section 113, axial hole 114 is equipped in the end face of guide section 111, on linkage section 113
End is equipped with sidewise hole 115, and 114 one end of axial hole and 16 unicom of syringe needle, 114 other end of axial hole are connected with sidewise hole 115, side
It is connected to hole 115 with the glue dispensing valve of dispenser.
The core cylinder 12 is connected through a screw thread with upper limit ring 14 and lower limit ring 15.
The both ends of the resetting spring 13 contact respectively with shoulder 112 and upper limit ring 14, and have certain pre compressed magnitude.
The guide section 111 of the needle core 11 is connected with the endoporus of core cylinder 12 by dynamic.
The linkage section 113 of the needle core 11 in the case where syringe needle 16 is not pressurized, stretches out the end face of upper limit ring 14.
Institute's displacement detection module 2 includes position sensor 22 and detection signal processing unit 21, and position sensor 22 is pacified
On connecting plate 3, the end face of the linkage section 113 of the alignment probe needle core 11 of position sensor 22, the Z-direction feed system 4
It is made of feeding control unit 41 and transmission mechanism 42.
The signal output part connecting detection signal processing unit 21 of the position sensor 22 detects signal processing unit
21 are connected with feeding 41 Bidirectional Conduction of control unit, and mechanism 42 is passed in the feeding connection of control unit 41, passes to mechanism 42 and is mounted on
On connecting plate 3.
A kind of needle head of adhesive dispenser automatic calibrating method, comprises the following steps；
The surface of S1, the MAKR points that syringe needle 16 is moved and is located in substrate；
S2, Z-direction feed system 4 send calibration process enabling signal to displacement detection module 2, and make Z-direction feed system 4 with
First setting speed, edge-Z-direction moves and the surface of convergence substrate MARK points；
After S3, displacement detection module 2 receive calibration process enabling signal, by the syringe needle 16 detected with respect to core cylinder 12
Position be set to its initial position；
S4, substrate surface is touched and when being moved relative to core cylinder 12 when syringe needle 16, if the position of 16 relative initial position of syringe needle
When moving equal to the first preset displacement, displacement detection module 2 sends stop signal to Z-direction feed system 4, and Z-direction feed system 4 is slowed down
Stop；
S5, then, Z-direction feed system 4 is moved with the second setting speed edge+Z-direction, when the position of 16 relative initial position of syringe needle
It moves and is equal to the second preset displacement, displacement detection module 2 sends reduce-speed sign, and Z-direction feed system 4 is decelerated to the 3rd setting speed；
S6, when the displacement of 16 relative initial position of syringe needle is zero, Z-direction feed system 4 stops movement, and reads current Z
To absolute coordinate, be set to zero point of 16 opposing substrate of syringe needle in Z-direction, position correction process terminates.
The beneficial effects of the utility model：
Compared with prior art, syringe needle caused by rigidly touching between syringe needle and locating piece in calibration process is avoided to deform
Problem, by detecting displacement of the syringe needle with respect to core cylinder, it can be achieved that the precise controlling of calibration process, is conducive to improve calibration accuracy,
Meanwhile the utility model is directed to substrate MARK points into the Z-direction position correction of hand-manipulating of needle head, can further improve between syringe needle and substrate
The control accuracy in gap is conducive to promote quality for dispensing glue.
Description of the drawings
Fig. 1 is the schematic diagram of the needle head of adhesive dispenser Z-direction calibrating installation of the utility model embodiment.
Fig. 2 is the schematic diagram of the cross-section structure of the floating hub assemblies of the utility model embodiment.
Fig. 3 is the schematic diagram of the needle core structure of the utility model embodiment.
Fig. 4 is the composition schematic diagram of the displacement detection module with Z-direction feed system of the utility model embodiment.
Fig. 5 be the utility model embodiment calibration process in the translational speed of feed system and syringe needle relative initial position
Displacement between relation.
Specific embodiment
The utility model is described in further detail below in conjunction with the accompanying drawings.
As shown in Figure 1, syringe needle Z-direction calibrating installation is by floating hub assemblies 1, displacement detection module 2, connecting plate 3 and Z
It is formed to feed system 4, wherein, connecting plate 3 is mounted on the workbench of the feed mechanism 42 of Z-direction feed system 4, floating needle stand
Component 1 is positioned and is connected using the conical surface with connecting plate 3, and position sensor 22 is mounted on connecting plate 3, alignment probe needle core 11
Linkage section 113 end face.
Displacement detection module 2 is arranged on 1 top of floating hub assemblies and on connecting plate 3.
As shown in Figure 2 and Figure 3, the floating hub assemblies 1 include needle core 11, core cylinder 12, resetting spring 13, upper limit ring
14th, lower limit ring 15 and syringe needle 16, for the guide section 111 of needle core 11 with the endoporus of core cylinder 12 to be slidably matched, syringe needle 16 passes through pin
The axial hole 114 of core 11 is connected with needle core 11, and upper limit ring 14, upper limit ring 15 are connected by screw thread with 12 both ends of core cylinder, multiple
Position spring 13 is sleeved on the linkage section 113 of needle core 11, and both ends are contacted with the shoulder 112 and upper limit ring 14 of needle core 11, in adjusting
Spacing ring 14 makes resetting spring 13 generate certain pre compressed magnitude, and needle core 11 is made to be contacted with lower limit ring 15, the connection of needle core 11
Section 113 stretches out the end face of upper limit ring 14, is equipped with sidewise hole 115 in the linkage section 113 of needle core 11 and is connected with axial hole 114,
Sidewise hole 115 is connected with the glue dispensing valve of dispenser.
If Fig. 4 shows, the Z-direction feed system 4 includes feeding drive mechanism 42 and feeding control unit 41, the displacement inspection
Surveying module 2 includes position sensor 22 and detection signal processing unit 21, and the detection input of signal processing unit 21 is passed from position
The detection signal of sensor 22 and the calibration process enabling signal from feeding control unit 41 are stopped to the feeding output of control unit 41
Stop signal, reduce-speed sign and Z-direction calibration signal.
Z-direction feed system 4 performs syringe needle Z-direction under the cooperation of displacement detection module 2, by following processes and calibrates work(automatically
Energy：
The surface of S1, the MAKR points that syringe needle 16 is moved and is located in substrate；
S2, Z-direction feed system 4 send calibration process enabling signal to displacement detection module 2, and make Z-direction feed system 4 with
First setting speed, edge-Z-direction moves and the surface of convergence substrate MARK points；
After S3, displacement detection module receive calibration process enabling signal, by the syringe needle 16 detected with respect to core cylinder 12
Position is set to its initial position；
S4, substrate surface is touched and when being moved relative to core cylinder 12 when syringe needle 16, if the position of 16 relative initial position of syringe needle
When moving equal to the first preset displacement, displacement detection module 2 sends stop signal to Z-direction feed system 4, and Z-direction feed system 4 is slowed down
Stop；
S5, then, Z-direction feed system 4 is moved with the second setting speed edge+Z-direction, when the position of 16 relative initial position of syringe needle
It moves and is equal to the second preset displacement, displacement detection module 2 sends reduce-speed sign, and Z-direction feed system 4 is decelerated to the 3rd setting speed；
S6, when the displacement of 16 relative initial position of syringe needle is zero, Z-direction feed system 4 stops movement, and reads current Z
To absolute coordinate, be set to zero point of 16 opposing substrate of syringe needle in Z-direction, position correction process terminates.
One of preferred implementation strategy of S6：When displacement detection module 2 detects the displacement of 16 relative initial position of syringe needle
When being zero, Z-direction calibration signal is sent to Z-direction feed system 4, Z-direction feed system 4 stops movement, and reads the absolute of current Z-direction
Coordinate value, is set to zero point of 16 opposing substrate of syringe needle in Z-direction, and position correction process terminates.
The two of the preferred implementation strategy of S6：When 16 relative initial position of syringe needle displacement be equal to the second preset displacement, make Z
A distance is continued to move to by the preset value to feed system 4, the absolute coordinate of current Z-direction is read afterwards in place, is set to
In the zero point of Z-direction, position correction process terminates syringe needle opposing substrate.
When syringe needle 16 is not pressurized, under the action of resetting spring 13, one end of 11 connecting needle 16 of needle core and lower limit
Ring 15 contacts, and when syringe needle 16 is pressurized and is moved relative to core cylinder 12, displacement detection module 2 detects position of the syringe needle 16 with respect to core cylinder 12
It moves, and signal is sent to Z-direction feed system when displacement satisfaction setting condition.
As shown in figure 5, the syringe needle 16 is in the automatic calibration process of Z-direction, the translational speed and syringe needle of Z-direction feed system 4
The relation of the displacement of 16 relative initial positions.
The above description is only the embodiments of the present invention, and it does not limit the scope of the patent of the present invention.For
For the utility model person of an ordinary skill in the technical field, without departing from the concept of the premise utility, may be used also
To make several simple deduction or replace, the scope of protection of the utility model should be all considered as belonging to.
Claims (8)
1. needle head of adhesive dispenser Z-direction calibrator, including floating hub assemblies (1), displacement detection module (2), connecting plate (3) and Z-direction
Feed system (4), which is characterized in that the floating hub assemblies (1) include positioned at bottom syringe needle (16), syringe needle (16) with
Needle core (11) connects, and with core cylinder (12) using being slidably connected, the top and bottom of core cylinder (12) connects needle core (11) respectively
There are upper limit ring (14) and lower limit ring (15), resetting spring (13), the core cylinder are installed at the endoporus of core cylinder (12)
(12) it is mounted on connecting plate (3), the displacement detection module (2) is mounted on connecting plate (3) and positioned at floating needle stand group
Part (1) top, connecting plate (3) are mounted on the workbench of the Z-direction feed system (4), and floating hub assemblies (1) are with being connected
Plate (3) is positioned and connected using the conical surface.
2. needle head of adhesive dispenser Z-direction calibrator according to claim 1, which is characterized in that the needle core (11) is from connection
Syringe needle (16) one end, successively including guide section (111), shoulder (112), linkage section (113), the diameter of guide section (111) is more than
The diameter of linkage section (113), axial hole (114) is equipped in guide section (111) lower end, and side is equipped in the upper end of linkage section (113)
To hole (115), axial hole (114) one end is connected with syringe needle (16), and axial hole (114) other end is connected with sidewise hole (115)
Logical, sidewise hole (115) is connected with the glue dispensing valve of dispenser.
3. needle head of adhesive dispenser Z-direction calibrator according to claim 1, which is characterized in that the core cylinder (12) and the upper limit
Position ring (14) and lower limit ring (15) are connected through a screw thread.
4. needle head of adhesive dispenser Z-direction calibrator according to claim 2, which is characterized in that the resetting spring (13)
Both ends contact respectively with shoulder (112) and upper limit ring (14), and have certain pre compressed magnitude.
5. needle head of adhesive dispenser Z-direction calibrator according to claim 2, which is characterized in that the endoporus of the core cylinder (12)
Pass through sliding connection with the guide section (111) of needle core (11).
6. needle head of adhesive dispenser Z-direction calibrator according to claim 2, which is characterized in that the linkage section of the needle core (11)
(113), in the case where syringe needle (16) is not pressurized, the end face of upper limit ring (14) is stretched out.
7. needle head of adhesive dispenser Z-direction calibrator according to claim 1, which is characterized in that the displacement detection module (2)
It is made of position sensor (22) and detection signal processing unit (21), the alignment probe needle core (11) of position sensor (22)
The end face of linkage section (113)；The Z-direction feed system (4) is made of feeding control unit (41) and transmission mechanism (42).
8. needle head of adhesive dispenser Z-direction calibrator according to claim 7, which is characterized in that the position sensor (22)
Signal output part connecting detection signal processing unit (21), detection signal processing unit (21) with feed control unit (41) it is double
It is connected to conduction, feeding control unit (41) connects and passes to mechanism (42), passes to mechanism (42) on connecting plate (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720226529.4U CN207446633U (en) | 2017-03-09 | 2017-03-09 | Needle head of adhesive dispenser Z-direction calibrator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720226529.4U CN207446633U (en) | 2017-03-09 | 2017-03-09 | Needle head of adhesive dispenser Z-direction calibrator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207446633U true CN207446633U (en) | 2018-06-05 |
Family
ID=62245637
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720226529.4U Expired - Fee Related CN207446633U (en) | 2017-03-09 | 2017-03-09 | Needle head of adhesive dispenser Z-direction calibrator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207446633U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106824679A (en) * | 2017-03-09 | 2017-06-13 | 陕西科技大学 | A kind of needle head of adhesive dispenser Z-direction calibrating installation and syringe needle automatic calibrating method |
| CN110420809A (en) * | 2019-08-23 | 2019-11-08 | 南京信息职业技术学院 | A kind of electronic manufacture check and correction formula point glue equipment |
| CN111889313A (en) * | 2020-07-30 | 2020-11-06 | 苏州猎奇智能设备有限公司 | Automatic calibration system and calibration method for dispensing needle |
-
2017
- 2017-03-09 CN CN201720226529.4U patent/CN207446633U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106824679A (en) * | 2017-03-09 | 2017-06-13 | 陕西科技大学 | A kind of needle head of adhesive dispenser Z-direction calibrating installation and syringe needle automatic calibrating method |
| CN110420809A (en) * | 2019-08-23 | 2019-11-08 | 南京信息职业技术学院 | A kind of electronic manufacture check and correction formula point glue equipment |
| CN110420809B (en) * | 2019-08-23 | 2024-05-07 | 南京信息职业技术学院 | Correction type adhesive dispensing device for electronic manufacturing |
| CN111889313A (en) * | 2020-07-30 | 2020-11-06 | 苏州猎奇智能设备有限公司 | Automatic calibration system and calibration method for dispensing needle |
| CN111889313B (en) * | 2020-07-30 | 2022-03-11 | 苏州猎奇智能设备有限公司 | Automatic calibration system and calibration method for dispensing needle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180605 Termination date: 20190309 |