CN102087925B

CN102087925B - Key laminating machine

Info

Publication number: CN102087925B
Application number: CN201010620306.9A
Authority: CN
Inventors: 许振相
Original assignee: Dongguan Primax Electronic & Telecommunication Products Co Ltd
Current assignee: Dongguan Primax Electronic & Telecommunication Products Co Ltd
Priority date: 2010-12-31
Filing date: 2010-12-31
Publication date: 2014-02-26
Anticipated expiration: 2030-12-31
Also published as: CN102087925A

Abstract

The invention relates to the technical field of laminating equipment of products in the electronic industry, in particular to a key laminating machine. A bench of the key laminating machine is provided with a feeding unit, a film peeling unit and a key conveying unit, wherein the film peeling unit is positioned at the tail end of a conveying platform of the feeding unit; the key conveying unit comprises a suction head for sucking keys on a key material sheet; the suction head is installed on a driving device which can move and rotate along the X/Y/Z axis; and a vertical lens for vision alignment is also arranged on the key conveying unit. After adopting the technical scheme, the key material sheet can be automatically fed by the feeding unit; the keys can be separated from a separating film by the film peeling unit; the suction head of a special structure can adsorb the keys without touching the key bodies; and finally, a lens aiding unit can be used for aligning the keys on the suction head with a substrate, thereby ensuring the accuracy of the laminating positions of the keys.

Description

A kind of key-press laminating machine

Technical field:

The present invention relates to electronic industrial products abutted equipment technical field, refer in particular to a kind of key-press laminating machine.

Background technology:

In modern industry is produced, in order to enhance productivity and product quality, often need to use make-up machine.The major function of make-up machine is that an object to be fit is fitted on another object, makes two objects fit together.For make-up machine, most important is exactly the accurate location of fitting between object, and the product fit dimension of the last laminating of guarantee reaches requirement like this.If not just there will be two laminating objects to occur that wrong, fit tolerance surpasses and the bad phenomenon such as require.

For example in some electronic products, usually use at present the induced key switch that a kind of volume is comparatively tiny, as shown in Figure 6, this button 91 comprises: keying body 911 and erose plastic cement paster 912, wherein keying body 911 is fixed on plastic cement paster 912.For preventing that keying body 911 and the external world from touching, normally by being set in button 91, keying body 911 1 sides stick on down on a release diaphragm 92, so just formed a button tablet 9.During use, user only need to be by plastic cement paster 912 by taking off on release diaphragm 92, just realized the separated of button 91 and release diaphragm 92, finally button 91 is bonded on the circuit board of electronic product.When carrying out aforesaid operations, the manual work that adopt, take button 91 off by manual mode more at present, are then placed on circuit board, and the greatest problem that this handwork exists is exactly that efficiency is low, and handwork easily touches in keying body 911.In addition, because key main body 911 is to be fixed on a plastic cement paster 912 in irregular shape.When button 91 is fitted on circuit board, necessarily require the paste position of plastic cement paster 912 consistent, and its side must overlap with the side of circuit board or parallel.This strict requirement just bothers operating personnel's parcel received very much, because rely on naked eyes and handwork to be difficult to guarantee that button 91 laminatings reach standard, and in taping process, finger can not touch keying body 911.Operating personnel need meticulously button by taking button 91 off on release diaphragm 92, then in its orientation of careful adjustment, finally by plastic cement paster 912, sticked on circuit board, whole process not only efficiency is low, and cannot guarantee pasted button 91 aligning accuracy.

At present, in this make-up machine, often use vision lens to carry out contraposition, determine the position of device laminating, one or more camera lenses are set directly over make-up machine head, camera lens projects downwards, takes by the position of laminating device, determines its coordinate, thereby whether overlappingly determine by the position of laminating device and substrate, if not, just can pass through drive unit, driving machine head drives by laminating device and moves to assigned address.Adopt the vision lens contraposition of fitting, its laminating aligning accuracy is very high.But the technology of vision lens contraposition is but difficult to realize when the above-mentioned button of laminating, this is because as very little by the button volume of laminating device, at all cannot observe device when vision lens projects from top to bottom.And if by the projection of camera lens angled bias, it can affect the precision of contraposition again.

The problem that another one need to solve is, because button 91 is secured on release diaphragm 92, during use, must, by it by taking off on release diaphragm, and this action is also very difficult, by simple mechanical mechanism, to complete.

Summary of the invention:

Technical problem to be solved by this invention is to overcome the existing deficiency of existing key-press joint mode, and a kind of automated job that has is provided, and the key-press laminating machine that can realize visual sense automatic contraposition, automatically button and release diaphragm be peeled off.

For solving the problems of the technologies described above, the present invention has adopted following technical scheme: this key-press laminating machine has a board, on described board, be provided with feeding unit, film is peeled off unit and button supply unit, described film is peeled off the delivery platform end that unit is positioned at feeding unit; Described button supply unit comprises that one for drawing the suction nozzle of button on button tablet, and this suction nozzle is arranged on can be along on the drive unit that moves and rotate on X/Y/Z direction of principal axis, and on button supply unit, is also provided with the Vertical camera lens for visual-alignment.

In technique scheme, described film is peeled off the baffle plate that unit has a transfer roller driving by motor and is positioned at transfer roller side, and the release diaphragm in button tablet moves in the gap between transfer roller and baffle plate under feeding unit is carried.

In technique scheme, described suction nozzle is hollow structure, is formed with a hollow channel in it, and vertically camera lens is positioned at directly over this hollow channel; Bottom surface at suction nozzle is formed with adsorption plane, is formed with the pore being communicated with air pump on this adsorption plane.

In technique scheme, this key-press laminating machine also comprises a camera lens auxiliary unit, this camera lens auxiliary unit is arranged on a mobile device, it comprises: the pedestal and the horizontally disposed horizontal camera lens exposing in Vertical Channel that offer Vertical Channel, in Vertical Channel, be provided with prism, horizontal camera lens and prism are in same level height.

In technique scheme, described Vertical Channel upper and lower port is provided with houselights.

In technique scheme, described mobile device is one to move horizontally track, and pedestal is arranged on this mobile device, and by motor driving, it moves horizontally orbital motion along this.

The present invention adopts after technique scheme, button tablet will carry out self-feeding by feeding unit, and by film peel off unit by button by separating on release diaphragm, adopt the suction nozzle of special construction not only can but also can make suction nozzle can not touch keying body by button absorption, finally by camera lens auxiliary unit, the button on suction nozzle and substrate are carried out to contraposition, guarantee the accurate of key-press joint position.

In the course of work of the present invention, can be completely achieved automated job.In addition, in order to improve the precision of laminating, the present invention has adopted special camera lens to carry out visual-alignment, and while fitting to control, the relative position of button, substrate, guarantees the exactitude position of fitting.

Accompanying drawing explanation:

Fig. 1 is stereogram of the present invention;

Fig. 2 is the stereogram at another visual angle of the present invention;

Fig. 3 is the stereogram that in the present invention, film is peeled off unit;

Fig. 4 is the stereogram of camera lens auxiliary unit in the present invention.

Fig. 5 is the stereogram of suction nozzle in the present invention.

Fig. 6 is the structural representation of button tablet;

Embodiment:

Below in conjunction with specific embodiments and the drawings, the present invention is further described.

See Fig. 1-6, the present invention includes: workbench 10 and the feeding unit 2, the film that are arranged on workbench 10 are peeled off unit 3, button supply unit 4, camera lens auxiliary unit 6, rotating disk 7 and other working cells.

Rotating disk 7 drives rotation by motor, on it, be evenly fixed with four die holders 8, for the substrate (scheming not shown) of fitting, be just fixed on die holder 8, along with the rotation of rotating disk 7, the substrate being fixed on die holder 8 stops successively on corresponding station, completes manufacturing procedure.

Surrounding at rotating disk 7 is separately installed with a plurality of working cells, and for substrate is processed accordingly, vision positioning unit for example, for determining the position of key-press joint on substrate.Button supply unit 4 is positioned on rotating disk 7 last rotary work station.Film is peeled off unit 3 between feeding unit 2 and button supply unit 4.Button tablet 9 passes through feeding unit 2 to the 4 one side's feedings of button supply unit, button tablet 9 is when peeling off unit 3 through film, button 91 is by taking off on release diaphragm 92, and button 91 is captured by button supply unit 4, and release diaphragm 92 is peeled off unit 3 outputs, reclaimed by film.

Feeding unit 2 has a delivery platform, and 9 stacks of button tablet are placed on the starting point of feeding unit 2.The button tablet 9 that is at every turn positioned at the superiors will be sent to delivery platform, then along delivery platform, to terminal, move.Film is peeled off the final position that unit 3 is located in material conveying platform 2 delivery platforms.This film is peeled off unit 3 and is had a transfer roller driving by motor 30 31, in the arranged outside of transfer roller 31, has a baffle plate 32.When button tablet 9 runs to delivery platform terminal, button tablet 9 arrive at foremost transfer roller 31 positions, under the drive of transfer roller 31, button tablet 9 advances to baffle plate 32 positions, due to the barrier effect of baffle plate 32, button tablet 9 will move downwards along transfer roller 31.In this simultaneously, the button 91 being positioned on button tablet 9 is captured by button supply unit 4, so run to the only remaining release diaphragm 92 of transfer roller 31 belows, release diaphragm 92 moves to behind transfer roller 31 belows, fall in collection box, so realized the separated of button 91 and release diaphragm 92.

Button supply unit 4 has for drawing the suction nozzle 41 of button 91 on button tablet 9, and this suction nozzle 41 is arranged on can be along on the drive unit 42 that moves and rotate on X/Y/Z direction of principal axis, and on button supply unit 4, is also provided with the vertical camera lens 5 of a visual-alignment.

The linear running rail set that this drive unit 42 adopts cylinder to promote, it comprises X-axis moving track 421, Y-axis moving track 422 and Z axis moving track 423, wherein suction nozzle 41 is fixed on pedestal 40 belows, vertically camera lens 5 is fixed on pedestal 40 tops, and pedestal 40 is fixed on the Z axis moving track 423 of vertical setting.Along with the operation of drive unit 42, it will drive pedestal 40 implementation space displacement on X/Y/Z axle, in the process of displacement, because vertically camera lens 5 and suction nozzle 41 are all fixed on pedestal 40, can not produce position skew between these two.In addition, can also, at rotation motor 424 of the interior increase of pedestal 40, for driving suction nozzle 41 rotations, thereby adjust the angle while fitting.

See Fig. 5, suction nozzle 41 is hollow structure, is formed with a hollow channel 411 in it, and vertically camera lens 5 is positioned at directly over this hollow channel 411.In the bottom surface of suction nozzle 41, be formed with adsorption plane 412, the shape of this adsorption plane 412 is corresponding with the shape of button 91, and hollow channel 411 is located in adsorption plane 412 centers, on this adsorption plane 412, is formed with the pore being communicated with air pump.When air pump is bled, adsorption plane 412 just forms a kind of negative-pressure adsorption ability, thereby by button 91 absorption, wherein the keying body 911 on button 91 is just in time positioned at hollow channel 411 and maintains place, thereby guarantees that keying body 911 can not be adsorbed face 412 and touch.

Vertically camera lens 5 is positioned at directly over hollow channel 411, it can take by hollow channel 411 image of below, when feeding unit 2 is transported to the final position of delivery platform by button tablet 9, vertically camera lens 5 just can photograph by hollow channel 411 position of button 91 on button tablet 9, thereby by drive unit 42, make suction nozzle 41 move to suitable position, and button 91 is drawn.

When suction nozzle 41 fits to substantially by the button of absorption 91, need guarantee the position of button 91 and location overlap corresponding on substrate, the present invention adopts a camera lens auxiliary unit 6.This camera lens auxiliary unit 6 is arranged on a mobile device 65, it comprises: the pedestal 60 and the horizontally disposed horizontal camera lens 62 exposing in Vertical Channel 61 that offer Vertical Channel 61, in Vertical Channel 61, be provided with prism, horizontal camera lens 62 and prism are in same level height.Described Vertical Channel 61 upper and lower ports are provided with houselights 63,64.Described mobile device 65 is one to move horizontally track, and pedestal 60 is arranged on this mobile device 65, by motor 66, is driven and is moved horizontally orbital motion along this.

When the present invention works: substrate is placed on the die holder 8 of rotating disk 7, and positions by 8 pairs of substrates of die holder.Rotating disk 7 drives rotation by motor, and along with the rotation of rotating disk 7, the substrate being fixed on die holder 8 stops successively on corresponding station, completes manufacturing procedure.Surrounding at rotating disk 7 is separately installed with a plurality of working cells, for substrate is processed accordingly.

Meanwhile, 9 stacks of button tablet are placed on the starting point of feeding unit 2.The button tablet 9 that is at every turn positioned at the superiors will be sent to delivery platform, then along delivery platform, to terminal, move.Film is peeled off the final position that unit 3 is located in material conveying platform 2 delivery platforms.

When button tablet 9 runs to film and peels off unit 3, the button 91 on button tablet 9 is by 4 suction nozzles 41 absorption of button supply unit, peels off unit 3 simultaneously realized the separated of button 91 and release diaphragm 92 by film.During 4 work of button supply unit, suction nozzle 41 will be driven and be run to the top that button tablet 9 correspondences arrange button 91 by drive unit 42, vertically camera lens 5 will be taken the image of below by hollow channel 411, when feeding unit 2 is transported to the final position of delivery platform by button tablet 9, vertically camera lens 5 just can photograph by hollow channel 411 position of button 91 on button tablet 9, thereby by drive unit 42, make suction nozzle 41 move to suitable position, and button 91 is drawn.

Suction nozzle 41, by after button 91 absorption, need to fit to button 91 on substrate, due to button 91 separated with release diaphragm 92 after, on the plastic cement paster 912 of button 91, be formed with viscosity, it can directly fit on substrate.Suction nozzle 41 is by after button 91 absorption, and it is by above being moved in drive unit 42 drives the die holder 8 that runs to this.In order to ensure button 91, be accurately fitted in the assigned address on substrate, need to proofread and correct by camera lens auxiliary unit 6, its mode of operation is: the pedestal 60 of camera lens auxiliary unit 6 moves between substrate and suction nozzle 41 by mobile device 65.Then open the houselights 63 of Vertical Channel 61 upper port, because houselights 63 will be irradiated to, be positioned at top suction nozzle 41, horizontal camera lens 62, by photograph the button 91 of absorption on suction nozzle 41 by prism, is determined its orientation.Due to now only the houselights 63 of upper port open, the houselights 64 of lower port is in closed condition, horizontal camera lens 62 can't photograph the scene of Vertical Channel 61 belows.Horizontal camera lens 62 has been taken after the image of top button 91, and the houselights 63 of upper port is closed, and the houselights 64 of lower port is opened, and now horizontal camera lens 62 is again by the substrate image photographing on die holder 8.Horizontal camera lens 62 is transported to computer by the image of twice shooting, and by computer, image is analyzed, and determines in the image of twice shooting, to specify the fit area should be overlapping, if deviation appears in position, suction nozzle 41 will be adjusted by drive unit 42.If correct position, camera lens auxiliary unit 6 revert to original position, suction nozzle 41 declines under drive unit 42 drives, the button of absorption 91 is fitted on the substrate on die holder 8, during laminating, suction nozzle 41 adsorption plane 412 pores will be blown by air pump, adsorption plane 412 forms absorption affinity and disappears, and button 91 is bonded on substrate, completes since then the laminating of button 91.Rotating disk 7 continues to rotate to an angle, and is removed so circulation after having driven the substrate of laminating to run to next station.

Camera lens horizontal positioned in camera lens auxiliary unit 6 in the present invention, but the image of its shooting is again on vertical direction, and comprises upper and lower two places.If in a conventional manner, need to adopt two camera lenses respectively in the vertical direction take, will cause like this complex structure of whole equipment.Camera lens auxiliary unit 6 of the present invention only adopts a horizontal camera lens 62, has adopted prism as speculum.Utilize the total reflection effect of prism, just can utilize a horizontal camera lens 62 to take respectively image on upper and lower both direction.

Certainly, the above is only example of the present invention, is not to limit the scope of the present invention, and all equivalences of doing according to structure, feature and principle described in the present patent application the scope of the claims change or modify, and all should be included in the present patent application the scope of the claims.

Claims

1. a key-press laminating machine, has a board (10), is provided with feeding unit (2), film is peeled off unit (3) and button supply unit (4) on described board (10), it is characterized in that:

Described film is peeled off the delivery platform end that unit (3) is positioned at feeding unit (2);

Described button supply unit (4) comprises that one for drawing the suction nozzle (41) of the upper button (91) of button tablet (9), this suction nozzle (41) is arranged on can be upper along the drive unit that moves and rotate on X/Y/Z direction of principal axis (42), and on button supply unit (4), be also provided with the Vertical camera lens (5) for visual-alignment;

Described film is peeled off the baffle plate (32) that unit (3) has a transfer roller (31) driving by motor (30) and is positioned at transfer roller (31) side, and the release diaphragm (92) in button tablet (9) moves in the gap between transfer roller (21) and baffle plate (22) under feeding unit (2) is carried;

Described suction nozzle (41) is hollow structure, is formed with a hollow channel (411) in it, and vertically camera lens (5) is positioned at directly over this hollow channel (411); In the bottom surface of suction nozzle (41), be formed with adsorption plane (412), this adsorption plane is formed with the pore being communicated with air pump on (412);

This key-press laminating machine also comprises a camera lens auxiliary unit (6), this camera lens auxiliary unit (6) is arranged on a mobile device (65), it comprises: the pedestal (60) and the horizontally disposed horizontal camera lens (62) exposing in Vertical Channel (61) that offer Vertical Channel (61), in Vertical Channel (61), be provided with prism, horizontal camera lens (62) and prism are in same level height.

2. a kind of key-press laminating machine according to claim 1, is characterized in that: described Vertical Channel (61) upper and lower port is provided with houselights (63,64).

3. a kind of key-press laminating machine according to claim 1, it is characterized in that: described mobile device (65) is one to move horizontally track, it is upper that pedestal (60) is arranged on this mobile device (65), by motor (66), drives pedestal (60) to move horizontally orbital motion along this.