CN206975303U - Lens assembly, vision system and bonding equipment - Google Patents
Lens assembly, vision system and bonding equipment Download PDFInfo
- Publication number
- CN206975303U CN206975303U CN201720647161.9U CN201720647161U CN206975303U CN 206975303 U CN206975303 U CN 206975303U CN 201720647161 U CN201720647161 U CN 201720647161U CN 206975303 U CN206975303 U CN 206975303U
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- eyeglass
- lens
- guiding loop
- focusing
- magnetic guiding
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Abstract
The utility model provides lens assembly, including mirror case, object lens, focusing eyeglass, imaging lens and voice coil motor, voice coil motor includes magnetic guiding loop and the coil rack being embedded in magnetic guiding loop, object lens are located at one end of mirror case, magnetic guiding loop is located at the other end of mirror case, runs through to be provided with along its axially extending first through hole, focusing eyeglass being fixedly arranged on coil rack on magnetic guiding loop, imaging lens are fixedly arranged on focusing eyeglass close to the side of magnetic guiding loop, eyeglass and the imaging lens of focusing with first through hole face；Vision system includes camera and foregoing lens assembly, and camera is located at the one end of mirror case away from object lens；Bonding equipment includes fixture and foregoing visual system, and fixture is provided with the objective table for fixed chip, object lens and objective table face.Focusing eyeglass can be driven to be moved along optical path direction to realize automatic focusing by coil rack；The magnetic guiding loop for especially emptying voice coil motor forms first through hole, and voice coil motor is incorporated into the light path of lens assembly, is advantageous to the miniaturization of lens assembly.
Description
Technical field
The utility model belongs to welding technology field, is to be related to lens assembly, vision system and bonding wire more specifically
Machine.
Background technology
Bonding equipment is mainly used in the lead welding of semiconductor components and devices；Due to needing the weldment size of welding metal lead
It is very small, it is difficult to be welded under the conditions of naked eyes, it is necessary to the image of special vision system collection weldment, the image of butt-welding fitting
It is amplified, carries out position calibration, could weld；It is low that the weldment being placed on the objective table of fixture has height to have, if focal length is not
Become, can cause sometimes imaging clearly be imaged sometimes unintelligible, therefore, focusing is necessary.
Existing lens assembly part uses manual focusing：An eyeglass cylinder is cased with outside focusing eyeglass, on eyeglass cylinder
A screw is locked, a mounting hole is opened up on the shell of lens assembly, the other end of screw is stretched out outside mounting hole, unscrews screw
When, screw focusing, lock screw again after focal length mixes up can be slid back and forth along mounting hole；Such a manual focusing mode, operation
Cumbersome, focusing efficiency is low, and focusing accuracy is poor, imaging definition deficiency.
Focused using double light path part：In lens assembly preset two light paths, a light path focal length height a bit, a light
Road focal length is lower, it is necessary to block the low light path of focal length when welding high weldment, it is necessary to by light that focal length is high when welding low weldment
Block on road；The mode of one light path of such a selection as needed, cumbersome, only two kinds of focal length selections, imaging definition is not
Height, and lens assembly volume is big, weight weight, increases bonding equipment motion platform appendix.
In the existing camera installation focused using voice coil motor, voice coil motor separates with the light path of camera installation, sound
Enclose motor and take separate space, camera installation volume is big.
Utility model content
The purpose of this utility model is to provide a kind of lens assembly, vision system and bonding equipment, to solve prior art
In be unable to automatic focusing, the bulky technical problem of lens assembly.
To achieve the above object, the technical solution adopted in the utility model is：Lens assembly, including mirror case, object lens, focusing
Eyeglass, imaging lens and voice coil motor, the voice coil motor include magnetic guiding loop, the magnet being embedded in the magnetic guiding loop, are embedded
In the coil rack in the magnetic guiding loop and the coil being set around on the coil rack, the object lens are located at the one of the mirror case
End, the magnetic guiding loop are located at the other end of the mirror case, run through on the magnetic guiding loop and be provided with along its axially extending first through hole,
The focusing eyeglass is fixedly arranged on the coil rack, and the imaging lens are fixedly arranged on the focusing eyeglass close to the magnetic guiding loop
Side, it is described focusing eyeglass and the imaging lens with the first through hole face.
Further, the coil rack axially extends to described lead close to one end of the object lens along the magnetic guiding loop
Outside magnet ring, the coil is located at the one end of the coil rack away from the object lens, and the focusing eyeglass is located at the coil bone
Frame is close to one end of the object lens.
Further, the magnetic conduction that axially extends to the magnetic guiding loop of the magnetic conducting inner ring of the magnetic guiding loop along the magnetic guiding loop
Outside outer shroud, the imaging lens are on the magnetic conducting inner ring.
Further, the imaging lens include the first eyeglass and the second eyeglass, and the magnetic conducting inner ring is close to the focusing
One end of eyeglass is provided with sleeve, first eyeglass located at the sleeve on one end of the focusing eyeglass, described the
Two eyeglasses are located at the magnetic conducting inner ring on one end of the focusing eyeglass.
Further, refracting telescope, the central shaft of the central shaft of the object lens and the focusing eyeglass are provided with the mirror case
Between angle angular bisector perpendicular to the refracting telescope plane of refraction.
Further, in addition to the grating scale that is fixedly arranged on the coil rack and be fixedly arranged on the mirror case and with it is described
The grating ruler reading head of grating scale face.
Further, in the center line of the focusing eyeglass, the center line and the first through hole of the imaging lens
Heart line overlaps.
Further, the one end of the mirror case away from the object lens is provided with camera adapter ring.
Vision system, including camera, in addition to foregoing lens assembly, the camera is located at the mirror case away from the thing
One end of mirror.
Bonding equipment, including fixture, the fixture are provided with the objective table for being used for fixing weldment, in addition to foregoing vision system
System, the object lens and the objective table face.
The beneficial effect of lens assembly provided by the utility model, vision system and bonding equipment is：With prior art phase
Than being additionally arranged voice coil motor, focusing eyeglass being fixedly arranged on coil rack, focusing eyeglass can be driven by coil rack along light
The motion of road direction improves focusing speed and the positioning precision for eyeglass of focusing, focus more flexible, Neng Gougen to realize automatic focusing
According to needing to be focused at any time；The magnetic guiding loop for especially emptying voice coil motor forms first through hole, and voice coil motor is incorporated into camera lens
In the light path of device, i.e. the voice coil motor of driving focusing eyeglass constitutes a part for light path, when lens assembly uses from thing
The light that mirror enters in mirror case enters back into camera through focus eyeglass, imaging lens and first through hole, is advantageous to the small of lens assembly
Type.
Brief description of the drawings
, below will be to embodiment or prior art in order to illustrate more clearly of the technical scheme in the embodiment of the utility model
The required accompanying drawing used is briefly described in description, it should be apparent that, drawings in the following description are only that this practicality is new
Some embodiments of type, for those of ordinary skill in the art, without having to pay creative labor, can be with
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is the dimensional structure diagram for the lens assembly that the utility model embodiment provides；
Fig. 2 is Fig. 1 overlooking the structure diagram；
Fig. 3 is the sectional structure chart of the line A-A along Fig. 2；
Fig. 4 is the vertical cross section structural representation for the vision system that the utility model embodiment provides；
Fig. 5 is the use state reference chart for the bonding equipment that the utility model embodiment provides.
Wherein, each reference in figure：
1- mirror cases；2- object lens；3- focusing eyeglasses；4- imaging lens；The eyeglasses of 41- first, the eyeglasses of 42- second；5- voice coil loudspeaker voice coils electricity
Machine；51- magnetic guiding loops；511- first through hole；52- magnets；53- coil racks；6- grating scales；7- grating ruler reading heads；8- is reflected
Mirror；9- camera adapter rings；10- sleeves；11- cameras；12- objective tables；13- weldments.
Embodiment
In order that technical problem to be solved in the utility model, technical scheme and beneficial effect are more clearly understood, with
Lower combination drawings and Examples, the utility model is further elaborated.It is it should be appreciated that described herein specific real
Example is applied only to explain the utility model, is not used to limit the utility model.
It should be noted that when element is referred to as " being fixed on ", " being fixedly arranged on " or " being arranged at " another element, it can be with
Directly on another element or it is connected on another element.When an element is known as " being connected to " another yuan
Part, it can be directly to another element or be indirectly connected on another element.
Also referring to Fig. 1 to Fig. 3, now lens assembly provided by the utility model is illustrated.Lens assembly, including
Mirror case 1, object lens 2, focusing eyeglass 3, imaging lens 4 and voice coil motor 5, voice coil motor 5 include magnetic guiding loop 51, are embedded at magnetic guiding loop
Magnet 52, the coil rack 53 being embedded in magnetic guiding loop 51 and the coil being set around on coil rack 53, object lens 2 in 51 are located at
One end of mirror case 1, magnetic guiding loop 51 are located at the other end of mirror case 1, run through on magnetic guiding loop 51 be provided with it is axially extending first logical along its
Hole 511, focusing eyeglass 3 are fixedly arranged on coil rack 53, and imaging lens 4, close to the side of magnetic guiding loop 51, are adjusted located at focusing eyeglass 3
Focus lens 3 and imaging lens 4 with the face of first through hole 511.
Lens assembly provided by the utility model, compared with prior art, voice coil motor 5 is additionally arranged, focusing eyeglass 3 is consolidated
On coil rack 53, focusing eyeglass 3 can be driven to be moved along optical path direction to realize automatic focusing by coil rack 53,
Focusing speed and the positioning precision for eyeglass 3 of focusing are improved, focusing is more flexible, can be focused at any time as needed；Especially
The magnetic guiding loop 51 for emptying voice coil motor 5 forms first through hole 511, and voice coil motor 5 is incorporated into the light path of lens assembly, that is, driven
The voice coil motor 5 of dynamic focusing eyeglass 3 constitutes a part for light path, enters when lens assembly uses from object lens 2 in mirror case 1
Light enters back into camera 11 through focus eyeglass 3, imaging lens 4 and first through hole 511, is advantageous to the miniaturization of lens assembly.
Further, referring to Fig. 3, a kind of embodiment as lens assembly provided by the utility model, line
The axially extending to outside magnetic guiding loop 51 along magnetic guiding loop 51 close to one end of object lens 2 of ring framework 53, coil are remote located at coil rack 53
From one end of object lens 2, focusing eyeglass 3 is located at coil rack 53 close to one end of object lens 2.Compared with existing voice coil motor 5, especially
Coil rack 53 is increased, and coil rack 53 is incorporated into light path, it is and another only in one end winding coil of coil rack 53
One end is then used to set focusing eyeglass 3, not only improves the stationarity for improving focusing, is advantageous to simplify structure again, reduces camera lens dress
The volume put, improve efficiency of assembling.
Further, referring to Fig. 3, a kind of embodiment as lens assembly provided by the utility model, leads
For the magnetic conducting inner ring of magnet ring 51 along outside the magnetic conduction outer shroud for axially extending to magnetic guiding loop 51 of magnetic guiding loop 51, imaging lens 4 are located at magnetic conduction
In inner ring.Compared with existing voice coil motor 5, magnetic conducting inner ring is especially increased, imaging lens are installed using the magnetic conducting inner ring of lengthening
Piece 4, be advantageous to simplify structure, reduce the volume of lens assembly, improve efficiency of assembling.
Further, referring to Fig. 3, a kind of embodiment as lens assembly provided by the utility model, into
Picture eyeglass 4 includes the first eyeglass 41 and the second eyeglass 42, and magnetic conducting inner ring is provided with sleeve 10 close to one end of focusing eyeglass 3, the
One eyeglass 41 is located at sleeve 10 on one end of focusing eyeglass 3, and the second eyeglass 42 is located at magnetic conducting inner ring close to focusing eyeglass 3
On one end.Set the first eyeglass 41 spaced apart and the second eyeglass 42 to carry out associated image, be advantageous to improve image definition, second
Eyeglass 42 is arranged on magnetic conducting inner ring, both simplifies structure, is added the resistance to overturning of lens assembly, is set on magnetic conducting inner ring
Sleeve 10 is put, facilitates the first eyeglass 41 and the interval of the second eyeglass 42 to fix, reduces difficulty of processing and the production of magnetic conducting inner ring
Cost.
Further, referring to Fig. 3, a kind of embodiment as lens assembly provided by the utility model, mirror
Refracting telescope 8 is provided with box 1, the angular bisector of the angle between the central shaft of object lens 2 and the central shaft for eyeglass 3 of focusing is perpendicular to folding
Penetrate the plane of refraction of mirror 8.Radiation direction is changed by refracting telescope 8, so as to which nation head of the lens assembly along bonding equipment is laterally set, subtracted
The height of small bonding equipment.
Further, referring to Fig. 3, a kind of embodiment as lens assembly provided by the utility model, also
Including the grating scale 6 being fixedly arranged on coil rack 53 and be fixedly arranged on mirror case 1 and with the grating ruler reading head 7 of the face of grating scale 6.
Grating scale 6 and focusing eyeglass 3 are installed on coil rack 53, and grating ruler reading head 7 can be by reading the position of grating scale 6
The displacement for determining focusing eyeglass 3 is moved, faster to realize focusing；What it is due to lens assembly acquisition is the weldering on objective table 12
The image of part, and the height of objective table 12 is certain, and the height of weldment, control system need to be only inputted in the control system of bonding equipment
System can drive focusing eyeglass 3 to move corresponding displacement by voice coil motor 5, be rapidly completed focusing.
Further, referring to Fig. 3, a kind of embodiment as lens assembly provided by the utility model, is adjusted
The center line of the center line of focus lens 3, the center line of imaging lens 4 and first through hole 511 overlaps；The center line of three overlaps,
Improve focusing eyeglass 3, imaging lens 4 effectively utilize area, can reduce to a certain extent focus eyeglass 3, imaging lens 4
With the size of first through hole 511, be advantageous to the miniaturization of lens assembly.
Further, referring to Fig. 3, a kind of embodiment as lens assembly provided by the utility model, mirror
The one end of box 1 away from object lens 2 is provided with camera adapter ring 9, convenient that lens assembly is assembled on camera 11.
Referring to Fig. 4, existing illustrate to vision system provided by the utility model.Vision system includes camera 11 with before
Lens assembly is stated, camera 11 is located at the one end of mirror case 1 away from object lens 2.
Vision system provided by the utility model, compared with prior art, focusing eyeglass 3 is fixedly arranged on coil rack 53
On, focusing eyeglass 3 can be driven to move along optical path direction to realize automatic focusing by coil rack 53, improve focusing speed and
The positioning precision of focusing eyeglass 3, focusing is more flexible, can be focused at any time as needed；Especially empty voice coil motor 5
Magnetic guiding loop 51 forms first through hole 511, and voice coil motor 5 is incorporated into the light path of lens assembly, i.e. the sound of driving focusing eyeglass 3
Circle motor 5 constitutes a part for light path, when lens assembly uses from the light that object lens 2 enter in mirror case 1 through eyeglass of focusing
3rd, imaging lens 4 and first through hole 511 enter back into camera 11, are advantageous to the miniaturization of vision system.
Referring to Fig. 5, existing illustrate to bonding equipment provided by the utility model.Bonding equipment, including fixture and foregoing regard
Feel system, fixture are provided with the objective table 12 for being used for fixing weldment, object lens 2 and the face of objective table 12.In use, weldment is fixed
In on objective table 12, under the control of the control system of bonding equipment, automatic driving coil skeleton 53 moves voice coil motor 5, focusing
Eyeglass 3 moves with coil rack 53 and realizes automatic focusing, improves focusing speed and the positioning precision for eyeglass 3 of focusing, focusing is more
To be flexible, it can be focused at any time as needed, the light that the weldment 13 being positioned over during use on objective table 12 reflects is from thing
The light that mirror 2 enters in mirror case 1 enters back into camera 11 through focus eyeglass 3, imaging lens 4 and first through hole 511, realizes that shade is adopted
Collection, is advantageous to the miniaturization of vision system, and radiation direction is shown with arrow in Fig. 5.
Preferred embodiment of the present utility model is the foregoing is only, it is all at this not to limit the utility model
All any modification, equivalent and improvement made within the spirit and principle of utility model etc., should be included in the utility model
Protection domain within.
Claims (10)
1. lens assembly, including mirror case, object lens, focusing eyeglass and imaging lens, it is characterised in that：Also include voice coil motor, institute
State voice coil motor include magnetic guiding loop, the magnet being embedded in the magnetic guiding loop, the coil rack that is embedded in the magnetic guiding loop and
The coil being set around on the coil rack, the object lens are located at one end of the mirror case, and the magnetic guiding loop is located at the mirror case
The other end, run through to be provided with along its axially extending first through hole, the focusing eyeglass being fixedly arranged on the line on the magnetic guiding loop
On ring framework, the imaging lens are fixedly arranged on the focusing eyeglass close to the side of the magnetic guiding loop, the focusing eyeglass and institute
State imaging lens with the first through hole face.
2. lens assembly as claimed in claim 1, it is characterised in that：The coil rack is close to one end of the object lens along institute
Axially extending to outside the magnetic guiding loop for magnetic guiding loop is stated, the coil is located at the one end of the coil rack away from the object lens,
The focusing eyeglass is located at the coil rack close to one end of the object lens.
3. lens assembly as claimed in claim 1, it is characterised in that：The magnetic conducting inner ring of the magnetic guiding loop is along the magnetic guiding loop
Axially extend to outside the magnetic conduction outer shroud of the magnetic guiding loop, the imaging lens are on the magnetic conducting inner ring.
4. lens assembly as claimed in claim 3, it is characterised in that：The imaging lens include the first eyeglass and the second mirror
Piece, the magnetic conducting inner ring are provided with sleeve close to one end of the focusing eyeglass, and first eyeglass is close located at the sleeve
On one end of the focusing eyeglass, second eyeglass is located at the magnetic conducting inner ring on one end of the focusing eyeglass.
5. lens assembly as claimed in claim 1, it is characterised in that：Refracting telescope is provided with the mirror case, in the object lens
Plane of refraction of the angular bisector of angle between the central shaft of mandrel and the focusing eyeglass perpendicular to the refracting telescope.
6. such as the lens assembly any one of claim 1-5, it is characterised in that：Also include being fixedly arranged on the coil rack
On grating scale and be fixedly arranged on the mirror case and with the grating ruler reading head of the grating scale face.
7. lens assembly as claimed in claim 1, it is characterised in that：The center line of the focusing eyeglass, the imaging lens
Center line and the first through hole center line overlap.
8. lens assembly as claimed in claim 1, it is characterised in that：The one end of the mirror case away from the object lens is provided with camera
Adapter ring.
9. vision system, including camera, it is characterised in that：Also include the lens assembly any one of claim 1-8, institute
State camera and be located at the one end of the mirror case away from the object lens.
10. bonding equipment, including fixture, the fixture is provided with the objective table for being used for fixing weldment, it is characterised in that：Also include power
Profit requires the vision system described in 9, the object lens and the objective table face.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720647161.9U CN206975303U (en) | 2017-06-05 | 2017-06-05 | Lens assembly, vision system and bonding equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720647161.9U CN206975303U (en) | 2017-06-05 | 2017-06-05 | Lens assembly, vision system and bonding equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206975303U true CN206975303U (en) | 2018-02-06 |
Family
ID=61411072
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720647161.9U Active CN206975303U (en) | 2017-06-05 | 2017-06-05 | Lens assembly, vision system and bonding equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206975303U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109164569A (en) * | 2018-09-29 | 2019-01-08 | 广东阿达智能装备有限公司 | Bonding equipment sees that camera lens and Two-way see lens assembly in advance |
| CN112104799A (en) * | 2019-06-18 | 2020-12-18 | 三星电机株式会社 | Reflection module for optical image stabilization and camera module including the same |
| CN114397742A (en) * | 2022-01-13 | 2022-04-26 | 凌波微步半导体设备(常熟)有限公司 | Wire bonding machine vision system and wire bonding machine |
| US20220263439A1 (en) * | 2021-02-17 | 2022-08-18 | Arcus Technology, Inc. | Linear motors with embedded encoder |
-
2017
- 2017-06-05 CN CN201720647161.9U patent/CN206975303U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109164569A (en) * | 2018-09-29 | 2019-01-08 | 广东阿达智能装备有限公司 | Bonding equipment sees that camera lens and Two-way see lens assembly in advance |
| CN112104799A (en) * | 2019-06-18 | 2020-12-18 | 三星电机株式会社 | Reflection module for optical image stabilization and camera module including the same |
| US11159727B2 (en) | 2019-06-18 | 2021-10-26 | Samsung Electro-Mechanics Co., Ltd. | Reflection module for optical image stabilization and camera module including the same |
| US20220263439A1 (en) * | 2021-02-17 | 2022-08-18 | Arcus Technology, Inc. | Linear motors with embedded encoder |
| US11870385B2 (en) * | 2021-02-17 | 2024-01-09 | Arcus Technology, Inc. | Linear motors with embedded encoder |
| CN114397742A (en) * | 2022-01-13 | 2022-04-26 | 凌波微步半导体设备(常熟)有限公司 | Wire bonding machine vision system and wire bonding machine |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: Building 201, Building C2, Ruiming Industrial Park, No. 44 Hexiu West Road, Zhancheng Community, Fuhai Street, Bao'an District, Shenzhen, Guangdong Province, 518000 Patentee after: Shenzhen Xinyichang Kaijiu Automation Equipment Co.,Ltd. Address before: 518000, 501-1, Building 7, Sunshine Industrial Zone, Sunshine 1st Road, Nanshan District, Shenzhen City, Guangdong Province Patentee before: SHENZHEN KAIJIU AUTOMATION EQUIPMENT CO.,LTD. |
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| CP03 | Change of name, title or address |