CN114602737A - Visual dispensing compensation device for packaging power chip - Google Patents
Visual dispensing compensation device for packaging power chip Download PDFInfo
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- CN114602737A CN114602737A CN202210233945.2A CN202210233945A CN114602737A CN 114602737 A CN114602737 A CN 114602737A CN 202210233945 A CN202210233945 A CN 202210233945A CN 114602737 A CN114602737 A CN 114602737A
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- 230000000007 visual effect Effects 0.000 title claims abstract description 13
- 238000004806 packaging method and process Methods 0.000 title claims abstract description 8
- 239000003292 glue Substances 0.000 claims abstract description 206
- 230000007246 mechanism Effects 0.000 claims abstract description 14
- 230000002457 bidirectional effect Effects 0.000 claims description 12
- 238000001514 detection method Methods 0.000 claims description 7
- 230000005540 biological transmission Effects 0.000 claims description 6
- 230000001360 synchronised effect Effects 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 239000000463 material Substances 0.000 abstract 1
- 238000004026 adhesive bonding Methods 0.000 description 12
- 238000000034 method Methods 0.000 description 8
- 230000008569 process Effects 0.000 description 4
- 238000012544 monitoring process Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 238000011179 visual inspection Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000010923 batch production Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 230000001502 supplementing effect Effects 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C5/00—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work
- B05C5/02—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work the liquid or other fluent material being discharged through an outlet orifice by pressure, e.g. from an outlet device in contact or almost in contact, with the work
- B05C5/0208—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work the liquid or other fluent material being discharged through an outlet orifice by pressure, e.g. from an outlet device in contact or almost in contact, with the work for applying liquid or other fluent material to separate articles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C11/00—Component parts, details or accessories not specifically provided for in groups B05C1/00 - B05C9/00
- B05C11/10—Storage, supply or control of liquid or other fluent material; Recovery of excess liquid or other fluent material
- B05C11/1002—Means for controlling supply, i.e. flow or pressure, of liquid or other fluent material to the applying apparatus, e.g. valves
- B05C11/1005—Means for controlling supply, i.e. flow or pressure, of liquid or other fluent material to the applying apparatus, e.g. valves responsive to condition of liquid or other fluent material already applied to the surface, e.g. coating thickness, weight or pattern
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C11/00—Component parts, details or accessories not specifically provided for in groups B05C1/00 - B05C9/00
- B05C11/10—Storage, supply or control of liquid or other fluent material; Recovery of excess liquid or other fluent material
- B05C11/1039—Recovery of excess liquid or other fluent material; Controlling means therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C5/00—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work
- B05C5/02—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work the liquid or other fluent material being discharged through an outlet orifice by pressure, e.g. from an outlet device in contact or almost in contact, with the work
- B05C5/027—Coating heads with several outlets, e.g. aligned transversally to the moving direction of a web to be coated
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C9/00—Apparatus or plant for applying liquid or other fluent material to surfaces by means not covered by any preceding group, or in which the means of applying the liquid or other fluent material is not important
- B05C9/04—Apparatus or plant for applying liquid or other fluent material to surfaces by means not covered by any preceding group, or in which the means of applying the liquid or other fluent material is not important for applying liquid or other fluent material to opposite sides of the work
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- Coating Apparatus (AREA)
Abstract
The invention relates to the technical field of circuit board production, in particular to a visual dispensing compensation device for packaging a power supply chip, which comprises a moving mechanism, a rotary cylinder, a binocular visual camera, a spacing regulator, a first dispenser, a second dispenser and a glue suction pipe, wherein the moving mechanism is provided with a first execution part, the rotary cylinder is arranged at the first execution part, the working end of the rotary cylinder faces downwards vertically and is provided with a vertical plate, two cameras of the binocular visual camera are arranged at two sides of the vertical plate, the spacing regulator is arranged on the vertical plate, the spacing regulator is provided with a second execution part and a third execution part, the first dispenser and the second dispenser are respectively arranged on the second execution part and the third execution part, the first dispenser and the second dispenser are respectively provided with a dispensing head, the glue suction pipe is sleeved on the dispensing heads, the inner wall of the glue suction pipe and the outer wall of the dispensing head are provided with a straight cavity part, the glue suction pipe is also provided with a first connecting pipe communicated with a glue suction cavity, the rubber suction pipe is communicated with the negative pressure source, and the rubber material can be reduced or compensated in real time through the binocular vision camera.
Description
Technical Field
The invention relates to the technical field of circuit board production, in particular to a visual dispensing compensation device for a packaged power chip.
Background
In the production process of the semiconductor circuit board, after the chips are installed, glue is sprayed and packaged around the chips, so that the chips are fixed on the circuit board, the chips are prevented from being separated from the circuit board due to vibration, glue spraying amount of products before and after the batch production process is difficult to control quantitatively, deviation exists, uniformity in the glue spraying process is difficult to guarantee, and workpieces with less glue or more glue can appear; in the dispensing process, attention needs to be paid to whether the glue amount around the chip meets the standard or not, the glue is required to be supplemented or reduced for the workpieces with the glue amount less than or more than the standard glue amount, visual inspection is carried out manually, then manual glue supplementing or reducing is carried out, the visual inspection of the glue amount and manual compensation cannot be accurately controlled, the glue amount is difficult to be the same, time is consumed, and the efficiency is slow.
Chinese patent CN202110666526.3 discloses a chip encapsulation sprays dispensing equipment, which comprises a base, actuating mechanism, the dispensing mechanism and the positioning fixture of setting below the dispensing mechanism that actuating mechanism drove, dispensing mechanism is including gluing the bucket and setting up the glue outlet pipe in gluing the bottom of the barrel, the glue outlet pipe is including supplying gluey section and glue outlet section, it pushes away gluey subassembly to supply to glue to be provided with between section and the glue outlet section, it still is provided with and pushes away gluey subassembly matched with guide assembly in positioning fixture's top still to correspond with it, it is used for cutting the intercommunication between supplying gluey section and the glue outlet section before carrying out the dispensing operation to push away the gluey piston of pushing away that sets up in the gluey subassembly and push away glue along the inner wall of glue outlet section downwards with the help of pneumatic pressure when carrying out the dispensing operation under the guide assembly effect.
The device can not monitor the dispensing amount in real time and can not process workpieces with less glue or more glue.
Disclosure of Invention
Accordingly, there is a need to provide a visual dispensing compensation device for packaging power chips.
In order to solve the problems of the prior art, the invention adopts the technical scheme that:
a visual dispensing compensation device for packaging a power supply chip comprises a moving mechanism, a rotary air cylinder, a binocular vision camera, a spacing adjuster, a first dispenser, a second dispenser and a glue suction pipe, wherein the moving mechanism is provided with a first execution part capable of moving at the top of a circuit board, the rotary air cylinder is arranged at the first execution part, the working end of the rotary air cylinder faces downwards vertically and is provided with a vertical plate extending downwards, the binocular vision camera comprises two cameras symmetrically arranged at two sides of the vertical plate, the spacing adjuster is arranged on the vertical plate, the spacing adjuster is provided with a second execution part and a third execution part which are symmetrically arranged, the second execution part and the third execution part can move horizontally in an opposite direction or in a back-to-back direction, the first dispenser and the second dispenser are respectively arranged on the second execution part and the third execution part, and both the first dispenser and the second dispenser are provided with dispensing heads extending downwards, the glue sucking tube is coaxially sleeved on the glue dispensing head, a straight cavity part is arranged between the inner wall of the glue sucking tube and the outer wall of the glue dispensing head, one end of the glue sucking tube is closed, the other end of the glue sucking tube is opened and extends to the outer side of the output port of the glue dispensing head, a first connecting tube communicated with the glue sucking cavity is further arranged on the glue sucking tube, and the glue sucking tube is communicated with a negative pressure source.
Preferably, the detection end of the binocular vision camera is inclined towards the dispensing heads of the first dispenser and the second dispenser.
Preferably, the glue sucking cavity comprises straight cavity parts uniformly distributed along the circumferential direction of the glue sucking cavity and annular cavity parts coaxial with the straight cavity parts, the annular cavity parts are communicated with the inner ends of the straight cavity parts, the connecting parts of the adjacent straight cavity parts abut against the outer circumferential surfaces of the glue dispensing heads of the first glue dispenser and the second glue dispenser along the radial direction, and the first connecting pipe is communicated with the annular cavity parts.
Preferably, the first connecting pipe is a corrugated pipe, one end of the first connecting pipe is communicated with the glue sucking cavity, and the other end of the first connecting pipe is fixed on the spacing adjuster.
Preferably, the spacing adjuster comprises a first polished rod, a support plate, a first movable plate, a second movable plate, a two-way lead screw, a first lead screw nut and a first servo motor, the first polished rod is fixedly arranged on the vertical plate along the horizontal direction, the middle position of the first polished rod is fixedly connected with the vertical plate, the support plate is fixedly arranged at two ends of the first polished rod and extends along the vertical direction, the first movable plate and the second movable plate are arranged on the first polished rod in a sliding manner in opposite directions or in a back-to-back manner, the first movable plate and the first movable plate both extend along the vertical direction and are respectively positioned at two sides of the vertical plate, the first glue dispenser and the second glue dispenser are respectively arranged at two opposite sides of the first movable plate and the second movable plate, the two-way lead screw and the first polished rod are coaxially and rotatably arranged on the vertical plate, two ends of the two-way lead screw respectively penetrate through the support plate and are rotatably matched with the support plate, the first movable plate and the second movable plate are respectively provided with the first lead screw nut coaxially screwed with two sections of the two-way lead screw, the first servo motor is fixedly arranged on the support plate, and an output shaft of the first servo motor is in transmission connection with one end of the bidirectional screw rod.
Preferably, the spacing adjuster further comprises a second polished rod, fixing frames, a second screw nut, a one-way screw rod and a second servo motor, the second polished rod is fixedly arranged on the opposite sides of the first movable plate and the second movable plate and extends along the vertical direction, the fixing frames are arranged on the second polished rod in a sliding mode along the vertical direction, the first glue dispenser and the second glue dispenser are respectively arranged on the two fixing frames, the one-way screw rod and the second polished rod are coaxially and rotatably arranged on the opposite sides of the first movable plate and the second movable plate, the second screw nut is fixedly arranged on the fixing frames and is screwed with the one-way screw rod through coaxial threads, the second servo motor is fixedly arranged on the first movable plate and the second movable plate, and an output shaft of the second servo motor is connected with one end of the one-way screw rod in a synchronous transmission mode.
Preferably, the mount includes first fixed cover, the fixed cover of second and connecting plate, and first fixed cover and the fixed cover of second slide along vertical direction and set up on the second polished rod, and first fixed cover with be provided with the installing port that is used for fixed first point gluey ware or the ware is glued to the second point, the connecting plate extends along vertical direction, and its both ends respectively in the fixed cover fixed connection of first fixed cover and second.
Preferably, the dispensing heads of the first dispenser and the second dispenser are deflected downward and toward each other.
Preferably, wing plates extending in the vertical direction are arranged on opposite sides of the vertical plate, and two cameras of the binocular vision camera are respectively arranged on the wing plates on the two sides.
Preferably, the vertical plate is further provided with a hollow tube extending in the vertical direction, the hollow tube penetrates through the bottom end of the vertical plate in the vertical direction, the bottom end of the hollow tube is provided with a second connecting pipe communicated with the air pump, and the hollow tube is coaxial with the vertical central lines of the first dispenser and the second dispenser.
Compared with the prior art, the beneficial effect of this application is:
1. the method comprises the steps that the opposite sides of a chip can be synchronously glued through a first glue dispenser and a second glue dispenser, the glue amount around the chip is monitored in real time through a binocular vision camera, when the actual glue amount is larger than the standard glue amount, a small amount of glue can be sucked through a glue suction pipe to reach the standard glue amount, and when the actual glue amount is smaller than the standard glue amount, glue is supplemented through the first glue dispenser and the second glue dispenser;
2. according to the method, the detection end of the binocular vision camera is inclined towards the dispensing heads of the first dispenser and the second dispenser, so that the glue amount on the opposite side of the power chip can be accurately detected while the power chip is accurately positioned, and the glue amount is reduced or compensated under the control of the master controller;
3. according to the glue sucking device, the straight cavity part and the annular cavity part form the glue sucking cavity, so that the glue sucking pipe can always keep a coaxial state with the motor heads of the first glue dispenser and the second glue dispenser even if the glue sucking pipe is under the action of negative pressure;
4. according to the space-adjustable glue dispensing device, the first connecting pipe is made to be the corrugated pipe, one end of the first connecting pipe is communicated with the glue suction cavity, the other end of the first connecting pipe is fixed on the space adjuster, and when the space is adjusted by the first glue dispenser and the second glue dispenser, the corrugated pipe can stretch along the length direction of the first connecting pipe and is always communicated with the negative pressure source and the glue suction cavity;
5. according to the application, the first movable plate and the second movable plate can move relatively or reversely on the first polish rod by starting the first servo motor, so that the distance between the first glue dispenser and the second glue dispenser can be adjusted;
6. according to the method, the second servo motor is started, so that the fixing frames installed on the first movable plate and the second movable plate can freely lift in the vertical direction, the heights of the first dispensing device and the second dispensing device can be adjusted, and dispensing heads of the first dispensing device and the second dispensing device can accurately abut against the opposite sides of the chip under the monitoring of the binocular vision camera;
7. the structure for detachably mounting the first glue dispenser or the second glue dispenser is formed by the first fixed sleeve, the second fixed sleeve and the connecting plate, so that the fixed frame can stably lift on the first movable plate and the second movable plate along the vertical direction while the first glue dispenser and the second glue dispenser are fixedly mounted on the first fixed sleeve, the second fixed sleeve and the connecting plate;
8. the dispensing heads of the first dispenser and the second dispenser are deflected downwards in an opposite direction, so that the dispensing heads can dispense glue on the peripheral side of the power chip at an inclined angle;
9. according to the binocular vision camera, wing plates extending along the vertical direction are arranged on two sides of the vertical plate, and then two cameras of the binocular vision camera can be respectively installed on the wing plates on the two sides;
10. this application is pressed the effect through making the top of power chip receive the wind, and then effectively prevents that the unit chip from breaking away from the circuit board because of the point is glued.
Drawings
Fig. 1 is a perspective view of a dispensing package device of the present application;
fig. 2 is a top view of the dispensing package device of the present application;
FIG. 3 is a cross-sectional view at section A-A of FIG. 2;
FIG. 4 is a perspective sectional view at section A-A of FIG. 2;
FIG. 5 is a front view of the dispensing package device of the present application;
FIG. 6 is a side view of the dispensing package device of the present application;
fig. 7 is a perspective view of the fixing frame of the present application.
The reference numbers in the figures are:
1-a rotary cylinder; 1 a-a vertical plate; 1a 1-wing plate; 1 b-a hollow tube; 1b 1-second connecting tube; 2-binocular vision camera; 3-a spacing adjuster; 3 x-a second execution section; 3 y-a third execution section; 3 a-a first polish rod; 3 b-a bracket plate; 3 c-a first flap; 3 d-a second flap; 3 e-a bidirectional screw; 3 f-a first feed screw nut; 3 g-a first servo motor; 3 h-a second polish rod; 3i 1-first harness; 3i 2-second harness; 3i3 — web; 3 j-a second lead screw nut; 3 k-one-way screw rod; 3 m-a second servo motor; 4 a-a first dispenser; 4 b-a second dispenser; 5-a hose; 5 a-glue sucking cavity; 5a 1-straight lumen portion; 5a 2-ring chamber part; 5 b-first connection pipe.
Detailed Description
For further understanding of the features and technical means of the present invention, as well as the specific objects and functions attained by the present invention, the present invention will be described in further detail with reference to the accompanying drawings and detailed description.
As shown in fig. 1-7, the present application provides:
a visual dispensing compensation device for packaging a power supply chip comprises a moving mechanism, a rotary cylinder 1, a binocular vision camera 2, a spacing regulator 3, a first dispenser 4a, a second dispenser 4b and a glue suction pipe 5, wherein the moving mechanism is provided with a first execution part capable of moving at the top of a circuit board, the rotary cylinder 1 is arranged at the first execution part, the working end of the rotary cylinder 1 is vertically downward and is provided with a vertical plate 1a extending downward, the binocular vision camera 2 comprises two cameras, the two cameras are symmetrically arranged at two sides of the vertical plate 1a, the spacing regulator 3 is arranged on the vertical plate 1a, the spacing regulator 3 is provided with a second execution part 3x and a third execution part 3y which are symmetrically arranged, the second execution part 3x and the third execution part 3y can horizontally move in opposite directions or opposite directions, the first dispenser 4a and the second dispenser 4b are respectively arranged on the second execution part 3x and the third execution part 3y, the first glue dispenser 4a and the second glue dispenser 4b are provided with glue dispensing heads extending downwards, the glue suction pipe 5 is coaxially sleeved on the glue dispensing heads, the inner wall of the glue suction pipe 5 and the outer wall of the glue dispensing heads are provided with straight cavity parts 5a1, one end of the glue suction pipe 5 is closed, the other end of the glue suction pipe 5 is opened and extends to the outer side of an output port of the glue dispensing heads, the glue suction pipe 5 is further provided with a first connecting pipe 5b communicated with the glue suction cavity 5a, and the glue suction pipe 5 is communicated with a negative pressure source.
Based on the above embodiments, the technical problem to be solved by the present application is how to compensate or reduce the glue around the chip in time. Therefore, the opposite sides of the chip can be synchronously glued through the first glue dispenser 4a and the second glue dispenser 4b, the glue amount around the chip is monitored in real time through the binocular vision camera 2, when the actual glue amount is larger than the standard glue amount, a small amount of glue can be absorbed through the glue absorption tube 5, so that the standard glue amount is reached, and when the actual glue amount is smaller than the standard glue amount, glue is supplemented through the first glue dispenser 4a and the second glue dispenser 4 b.
Specifically, the circuit board is horizontally fixed, so that the surface provided with the power chip faces upwards, the moving mechanism is started, the first executing part can drive the first glue dispenser 4a and the second glue dispenser 4b to move on the top of the circuit board, the distance adjuster 3 is started, and the distance between the second executing part 3x and the third executing part 3y is adjusted, namely the distance between glue dispensing heads of the first glue dispenser 4a and the second glue dispenser 4b is adjusted;
firstly, dispensing is carried out on one opposite side of a power chip, dispensing heads of a first dispenser 4a and a second dispenser 4b are close to the opposite side of the power chip, when a first execution part drives the first dispenser 4a and the second dispenser 4b to move along the length direction of the opposite side, the first dispenser 4a and the second dispenser 4b dispense glue on the opposite side through dispensing heads, after the opposite side is coated, a rotary air cylinder 1 is driven, so that the dispensing heads of the first dispenser 4a and the second dispenser 4b rotate to the other opposite side of the power chip, a binocular vision camera 2 rotates and detects the opposite side of the chip coated with glue, and meanwhile, a spacing adjuster 3 is started again to adjust the spacing between the dispensing heads of the first dispenser 4a and the second dispenser 4b, so that the dispensing heads of the first dispenser 4a and the second dispenser 4b are close to the other opposite side, the first execution part drives the glue dispensing heads of the first glue dispenser 4a and the second glue dispenser 4b to dispense glue on the opposite side;
meanwhile, the binocular vision camera 2 detects the glue amount of the last glue injection, when the glue amount of the opposite side is more than the standard glue amount, the first glue dispenser 4a and the second glue dispenser 4b rotate to the opposite side, and when the glue amount of the opposite side is more, the negative pressure source is started to be communicated with the glue suction pipe 5 through the first connecting pipe 5b, so that negative pressure is generated in the glue suction cavity 5a, and further, an outer port of the glue suction cavity 5a can suck a certain amount of glue amount, and the glue amount is reduced;
when the glue amount on the opposite side is less than the standard glue amount, glue is added again through the first glue dispenser 4a and the second glue dispenser 4b, so that the glue amount is compensated;
the binocular vision camera 2 can monitor whether the glue amount around the chip meets the standard in real time so as to reduce or compensate the glue amount;
specifically, the binocular vision camera 2 has two cameras, the two cameras symmetrically face one opposite side of the power chip, the first glue dispenser 4a and the second glue dispenser 4b symmetrically face the other opposite side of the power chip, when the first glue dispenser 4a and the second glue dispenser 4b perform glue dispensing on the opposite side of the power chip and then turn back to the other opposite side, the two cameras also turn back and can monitor the glue amount on the opposite side of the glued chip, so as to guide the first glue dispenser 4a and the second glue dispenser 4b to reduce or supplement glue on the opposite side.
As shown in fig. 1, further:
the detection end of the binocular vision camera 2 is inclined towards the dispensing heads of the first dispenser 4a and the second dispenser 4 b.
Based on the above embodiment, the technical problem that this application wants to solve is how accurate location and monitoring glue volume of the sense terminal of binocular vision camera 2. For this reason, this application makes the sense terminal slope of binocular vision camera 2 glue the head towards the dispensing of first point of gluing ware 4a and second point of gluing ware 4b, binocular vision camera 2 has two cameras, in order to realize binocular detection, and when first point of gluing ware 4a and second point of gluing ware 4b is gluing the opposite side of power chip, another opposite side that two cameras can effectual detection power chip, thereby in accurate location power chip, can accurate detection power chip opposite side's volume of gluing, thereby reduce or compensate by total controller control volume of gluing.
As shown in fig. 4, further:
the glue sucking cavity 5a comprises straight cavity parts 5a1 uniformly distributed along the circumferential direction of the glue sucking cavity and a ring cavity part 5a2 coaxial with the straight cavity parts, the ring cavity part 5a2 is communicated with the inner ends of the straight cavity parts 5a1, the connecting parts of the adjacent straight cavity parts 5a1 abut against the outer circumferential surfaces of the glue dispensing heads of the first glue dispenser 4a and the second glue dispenser 4b in the radial direction, and the first connecting pipe 5b is communicated with the ring cavity part 5a 2.
Based on the above embodiments, the technical problem that the present application intends to solve is that the glue sucking cavity 5a and the glue dispensing heads of the first glue dispenser 4a and the second glue dispenser 4b are free of support and are susceptible to deflection caused by negative pressure. For this reason, the present application forms the glue sucking chamber 5a by the straight chamber portion 5a1 and the annular chamber portion 5a2, and since the straight chamber portion 5a1 is circumferentially arranged on the inner wall of the glue sucking chamber 5a, and there is a ridge-shaped protrusion between the adjacent straight chamber portions 5a1, the protrusion extends along the axial direction of the glue sucking pipe 5, and the protrusion abuts on the circumferential surface of the dispensing heads of the first dispenser 4a and the second dispenser 4b in the radial direction, so that the glue sucking pipe 5 can always keep coaxial with the motor heads of the first dispenser 4a and the second dispenser 4b even if the glue sucking pipe 5 is subjected to negative pressure.
As shown in fig. 3, further:
the first connecting pipe 5b is a corrugated pipe, one end of the first connecting pipe 5b is communicated with the glue sucking cavity 5a, and the other end of the first connecting pipe 5b is fixed on the spacing adjuster 3.
Based on the above embodiments, the technical problem that the present application intends to solve is how to stably connect the glue suction cavity 5a and the negative pressure source by the first connection pipe 5b when the second actuator 3x and the third actuator 3y relatively adjust the distance, and the first connection pipe 5b cannot contact the surface of the circuit board. For this reason, this application makes first connecting pipe 5b be the bellows to with the one end of first connecting pipe 5b and inhale gluey chamber 5a intercommunication, and fix its other end on interval regulator 3, make first point glue ware 4a and second point glue ware 4b when adjusting the interval, the bellows can stretch out and draw back along its length direction, and communicate the negative pressure source all the time and inhale gluey chamber 5 a.
As shown in fig. 4, further:
the spacing adjuster 3 comprises a first polished rod 3a, a support plate 3b, a first movable plate 3c, a second movable plate 3d, a two-way lead screw 3e, a first lead screw nut 3f and a first servo motor 3g, the first polished rod 3a is fixedly arranged on the vertical plate 1a along the horizontal direction, the middle position of the first polished rod 3a is fixedly connected with the vertical plate 1a, the support plates 3b are fixedly arranged at two ends of the first polished rod 3a and extend along the vertical direction, the first movable plate 3c and the second movable plate 3d are arranged on the first polished rod 3a in a sliding manner in the opposite direction or in the reverse direction, the first movable plate 3c and the first movable plate 3c both extend along the vertical direction and are respectively positioned at two sides of the vertical plate 1a, a first glue dispenser 4a and a second glue dispenser 4b are respectively arranged at the opposite sides of the first movable plate 3c and the second movable plate 3d, the two-way lead screw 3e and the first polished rod 3a are coaxially arranged on the vertical plate 1a, and both ends of the bidirectional screw rod 3e respectively penetrate through the support plate 3b and are in running fit with the support plate 3b, the first movable plate 3c and the second movable plate 3d are respectively provided with a first screw rod nut 3f coaxially screwed with two sections of threads on the bidirectional screw rod 3e, the first servo motor 3g is fixedly arranged on the support plate 3b, and an output shaft of the first servo motor 3g is in transmission connection with one end of the bidirectional screw rod 3 e.
Based on the above-described embodiments, the technical problem that the present application intends to solve is how the second actuator 3x and the third actuator 3y adjust the pitch. For this purpose, the first movable plate 3c and the second movable plate 3d can move relatively or oppositely on the first polished rod 3a by starting the first servo motor 3g, so that the distance between the first dispenser 4a and the second dispenser 4b can be adjusted;
specifically, by fixedly arranging the first servo motor 3g on the vertical plate 1a along the horizontal direction, and support plates 3b extending in a vertical direction are provided at both ends of the first polish rod 3a so that the first movable plate 3c and the second movable plate 3d can horizontally move at both sides of the vertical plate 1a, the two-way screw rod 3e and the first polish rod 3a are coaxially and rotatably arranged on the vertical plate 1a, two ends of the two-way screw rod 3e horizontally penetrate through the support plate 3b and are in rotating fit with the support plate, and a first screw nut 3f installed on the first movable plate 3c and the second movable plate 3d is screwed with the bidirectional screw 3e coaxially, when the first servo motor 3g is started, the bidirectional screw 3e rotates on the vertical plate 1a, so that the first flap 3c and the second flap 3d can move toward or away from each other on the first polish rod 3a due to the engagement action of the bidirectional screw 3e and the first screw nut 3 f.
As shown in fig. 7, further:
the space adjuster 3 further comprises a second polished rod 3h, a fixed frame, a second feed screw nut 3j, a one-way feed screw 3k and a second servo motor 3m, the second polished rod 3h is fixedly arranged on the opposite side of the first movable plate 3c and the second movable plate 3d, the second polished rod 3h extends in the vertical direction, the fixing frames are arranged on the second polished rod 3h in a sliding mode in the vertical direction, the first glue dispenser 4a and the second glue dispenser 4b are arranged on the two fixing frames respectively, the one-way screw rod 3k and the second polished rod 3h are arranged on the opposite sides of the first movable plate 3c and the second movable plate 3d in a rotating mode in the same axial direction, the second screw rod nut 3j is fixedly arranged on the fixing frames and screwed with the one-way screw rod 3k in the coaxial mode, the second servo motor 3m is fixedly arranged on the first movable plate 3c and the second movable plate 3d, and the output shaft of the second servo motor 3m is connected with one end of the one-way screw rod 3k in a synchronous transmission mode.
Based on the above embodiments, the technical problem to be solved by the present application is how to control the dispensing heads of the first dispenser 4a and the second dispenser 4b to precisely abut against the opposite sides of the chip. For this reason, the second servo motor 3m is started, so that the fixed frames mounted on the first movable plate 3c and the second movable plate 3d can be freely lifted and lowered along the vertical direction, and the heights of the first glue dispenser 4a and the second glue dispenser 4b can be adjusted, so that the glue dispensing heads of the first glue dispenser 4a and the second glue dispenser 4b can be accurately abutted against the opposite sides of the chip under the monitoring of the binocular vision camera 2;
specifically, when the second servo motor 3m is started, the one-way screw rod 3k rotates on the first movable plate 3c or the one-way screw rod 3k, and the fixing frame is arranged on the opposite side of the first movable plate 3c and the second movable plate 3d in a sliding manner along the vertical direction through the second polished rod 3h, and the one-way screw rod 3k is screwed with the second screw rod nut 3j in a coaxial thread manner, so that when the one-way screw rod 3k rotates, the fixing frame can move on the second polished rod 3h along the vertical direction, and the heights of the first glue dispenser 4a and the second glue dispenser 4b can be adjusted.
As shown in fig. 7, further:
the mount includes first fixed cover 3i1, the fixed cover 3i2 of second and connecting plate 3i3, first fixed cover 3i1 and the fixed cover 3i2 of second slide along vertical direction and set up on second polished rod 3h, and be provided with the installing port that is used for fixed first point gluing ware 4a or second point gluing ware 4b on first fixed cover 3i1 and the fixed cover 3j2, connecting plate 3i3 extends along vertical direction, and its both ends respectively in first fixed cover 3i1 and the fixed cover 3i2 fixed connection of second.
Based on the above embodiments, the technical problem to be solved by the present application is how to fix the first dispenser 4a or the second dispenser 4b by the fixing frame. For this reason, the present application makes up the structure for detachably mounting the first dispenser 4a or the second dispenser 4b by making the first fixing sleeve 3i1, the second fixing sleeve 3i2 and the connecting plate 3i3, and the fixing frame can also stably lift and lower on the first movable plate 3c and the second movable plate 3d in the vertical direction while facilitating the fixed mounting of the first dispenser 4a and the second dispenser 4b on the first fixing sleeve 3i1, the second fixing sleeve 3i2 and the connecting plate 3i 3.
As shown in fig. 5, further:
the dispensing heads of the first dispenser 4a and the second dispenser 4b are deflected downward and opposite to each other.
Based on the above embodiments, the technical problem to be solved by the present application is how to reduce the minimum pitch of the dispensing heads of the first dispenser 4a and the second dispenser 4 b. For this reason, this application makes the dispensing head of first point glue ware 4a and second point glue ware 4b deflect downwards in opposite directions, and because of the body diameter of first point glue ware 4a and second point glue ware 4b is great, and the power chip is less for two dispensing heads are in opposite directions and deflect in opposite directions, can effectively reduce the minimum interval of the discharge gate of two dispensing heads, thereby be convenient for the dispensing head with the angle of slope to the week side of power chip carry out the point glue.
As shown in fig. 6, further:
wing plates 1a1 extending along the vertical direction are arranged on the opposite sides of the vertical plate 1a, and two cameras of the binocular vision camera 2 are respectively arranged on the wing plates 1a1 on the two sides.
Based on the above embodiment, the technical problem that the present application intends to solve is how to symmetrically mount two cameras of the binocular vision camera 2 on two sides of the vertical plate 1 a. For this reason, this application makes the both sides of riser 1a set up the pterygoid lamina 1a1 that extends along the vertical direction, and then can install two cameras of binocular vision camera 2 respectively on the pterygoid lamina 1a1 of both sides.
As shown in fig. 3, further:
the vertical plate 1a is further provided with a hollow tube 1b extending along the vertical direction, the hollow tube 1b penetrates through the bottom end of the vertical plate 1a along the vertical direction, the bottom end of the hollow tube 1b is provided with a second connecting tube 1b1 communicated with the air pump, and the hollow tube 1b is coaxial with the vertical central lines of the first glue dispenser 4a and the second glue dispenser 4 b.
Based on the above embodiments, the technical problem that the present application intends to solve is that the dispensing heads of the first dispenser 4a and the second dispenser 4b are easy to shift the power chip relative to the circuit board during dispensing. For this reason, this application sets up along the hollow tube 1b of vertical direction extension through the position in the middle of riser 1a, and when starting the air pump, the air current is spout downwards from hollow tube 1b through second connecting pipe 1b1 to at the point in-process of gluing, the top of power chip is the pressure of wind all the time and is acted on, and then effectively prevents that the unit chip breaks away from the circuit board because of the point is glued.
The above examples, which are intended to represent only one or more embodiments of the present invention, are described in greater detail and with greater particularity, and are not to be construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (10)
1. A vision dispensing compensation device for packaging a power supply chip comprises a moving mechanism, wherein the moving mechanism is provided with a first execution part capable of moving at the top of a circuit board, and is characterized by further comprising a rotary cylinder (1), a binocular vision camera (2), a spacing adjuster (3), a first dispensing device (4 a), a second dispensing device (4 b) and a rubber suction tube (5), the rotary cylinder (1) is arranged at the first execution part, the working end of the rotary cylinder (1) is vertically downward and is provided with a vertical plate (1 a) extending downward, the binocular vision camera (2) comprises two cameras, the two cameras are symmetrically arranged at two sides of the vertical plate (1 a), the spacing adjuster (3) is arranged on the vertical plate (1 a), the spacing adjuster (3) is provided with a second execution part (3 x) and a third execution part (3 y) which are symmetrically arranged, the second execution part (3 x) and the third execution part (3 y) can move horizontally in an opposite direction or in a reverse direction, the first glue dispenser (4 a) and the second glue dispenser (4 b) are respectively arranged on the second execution part (3 x) and the third execution part (3 y), the first glue dispenser (4 a) and the second glue dispenser (4 b) are respectively provided with a glue dispensing head extending downwards, the glue suction tube (5) is coaxially sleeved on the glue dispensing heads, the inner wall of the glue suction tube (5) and the outer wall of the glue dispensing head are provided with a straight cavity part (5 a 1), one end of the glue suction tube (5) is closed, the other end of the glue suction tube is opened and extends to the outer side of an output port of the glue dispensing head, the glue suction tube (5) is further provided with a first connecting tube (5 b) communicated with the glue suction cavity (5 a), and the glue suction tube (5) is communicated with a negative pressure source.
2. The vision dispensing compensation device of the packaged power chip of claim 1, wherein the detection end of the binocular vision camera (2) is inclined towards the dispensing heads of the first dispenser (4 a) and the second dispenser (4 b).
3. A visual dispensing compensation device for a packaged power chip according to claim 1, wherein the glue suction chamber (5 a) comprises straight chamber portions (5 a 1) uniformly distributed along its circumference, and a ring chamber portion (5 a 2) coaxial with the straight chamber portions, the ring chamber portion (5 a 2) is communicated with the inner end of the straight chamber portion (5 a 1), the connecting portion of the adjacent straight chamber portion (5 a 1) radially abuts against the outer circumferential surface of the dispensing heads of the first dispenser (4 a) and the second dispenser (4 b), and the first connecting pipe (5 b) is communicated with the ring chamber portion (5 a 2).
4. The vision dispensing compensation device of the packaged power chip as claimed in claim 1, 2 or 3, wherein the first connecting tube (5 b) is a corrugated tube, one end of the first connecting tube (5 b) is connected to the glue-sucking chamber (5 a), and the other end of the first connecting tube (5 b) is fixed on the spacing adjuster (3).
5. The visual dispensing compensation device for packaging power chips according to claim 1, wherein the spacing adjuster (3) comprises a first polished rod (3 a), a support plate (3 b), a first movable plate (3 c), a second movable plate (3 d), a two-way screw (3 e), a first screw nut (3 f) and a first servo motor (3 g), the first polished rod (3 a) is fixedly arranged on the vertical plate (1 a) along the horizontal direction, the middle position of the first polished rod (3 a) is fixedly connected with the vertical plate (1 a), the support plate (3 b) is fixedly arranged at two ends of the first polished rod (3 a) and extends along the vertical direction, the first movable plate (3 c) and the second movable plate (3 d) are arranged on the first polished rod (3 a) in an opposite or opposite sliding manner, the first movable plate (3 c) and the first movable plate (3 c) both extend along the vertical direction and are respectively located at two sides of the vertical plate (1 a), the first glue dispenser (4 a) and the second glue dispenser (4 b) are respectively arranged on the opposite sides of the first movable plate (3 c) and the second movable plate (3 d), the bidirectional screw rod (3 e) and the first polished rod (3 a) are coaxially and rotatably arranged on the vertical plate (1 a), two ends of the bidirectional screw rod (3 e) respectively penetrate through the support plate (3 b) and are in rotating fit with the support plate, the first movable plate (3 c) and the second movable plate (3 d) are respectively provided with a first screw rod nut (3 f) coaxially screwed with two threads on the bidirectional screw rod (3 e), the first servo motor (3 g) is fixedly arranged on the support plate (3 b), and an output shaft of the first servo motor (3 g) is in transmission connection with one end of the bidirectional screw rod (3 e).
6. The visual dispensing compensation device of the packaged power chip of claim 5, wherein the space adjuster (3) further comprises a second polished rod (3 h), a fixed frame, a second screw nut (3 j), a one-way screw (3 k) and a second servo motor (3 m), the second polished rod (3 h) is fixedly arranged at the opposite side of the first movable plate (3 c) and the second movable plate (3 d), and the second polished rod (3 h) extends along the vertical direction, the fixed frame is slidably arranged on the second polished rod (3 h) along the vertical direction, the first dispenser (4 a) and the second dispenser (4 b) are respectively arranged on the two fixed frames, the one-way screw (3 k) and the second polished rod (3 h) are coaxially and rotatably arranged at the opposite side of the first movable plate (3 c) and the second movable plate (3 d), the second screw nut (3 j) is fixedly arranged on the fixed frame and is coaxially screwed with the one-way screw (3 k), the second servo motor (3 m) is fixedly arranged on the first movable plate (3 c) and the second movable plate (3 d), and an output shaft of the second servo motor (3 m) is in synchronous transmission connection with one end of the one-way screw rod (3 k).
7. The vision dispensing compensation device of the packaged power chip of claim 6, wherein the fixing frame comprises a first fixing sleeve (3 i 1), a second fixing sleeve (3 i 2) and a connecting plate (3 i 3), the first fixing sleeve (3 i 1) and the second fixing sleeve (3 i 2) are slidably disposed on the second polished rod (3 h) along the vertical direction, the first fixing sleeve (3 i 1) and the second fixing sleeve (3 j 2) are provided with mounting ports for fixing the first dispenser (4 a) or the second dispenser (4 b), and the connecting plate (3 i 3) extends along the vertical direction, and two ends of the connecting plate are fixedly connected with the first fixing sleeve (3 i 1) and the second fixing sleeve (3 i 2), respectively.
8. The vision dispensing compensation device of the packaged power chip as claimed in claim 1, wherein the dispensing heads of the first dispenser (4 a) and the second dispenser (4 b) are deflected downward toward each other.
9. The vision dispensing compensation device of the packaged power chip as claimed in claim 1, wherein the opposite sides of the vertical plate (1 a) are provided with wings (1 a 1) extending along the vertical direction, and the two cameras of the binocular vision camera (2) are respectively arranged on the wings (1 a 1) at the two sides.
10. The visual dispensing compensation device for the packaged power chip of claim 1, wherein the vertical plate (1 a) is further provided with a hollow tube (1 b) extending along the vertical direction, the hollow tube (1 b) penetrates through the bottom end of the vertical plate (1 a) along the vertical direction, the bottom end of the hollow tube (1 b) is provided with a second connecting tube (1 b 1) communicated with the air pump, and the hollow tube (1 b) is coaxial with the vertical central lines of the first dispenser (4 a) and the second dispenser (4 b).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210233945.2A CN114602737A (en) | 2022-03-10 | 2022-03-10 | Visual dispensing compensation device for packaging power chip |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210233945.2A CN114602737A (en) | 2022-03-10 | 2022-03-10 | Visual dispensing compensation device for packaging power chip |
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| Publication Number | Publication Date |
|---|---|
| CN114602737A true CN114602737A (en) | 2022-06-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210233945.2A Pending CN114602737A (en) | 2022-03-10 | 2022-03-10 | Visual dispensing compensation device for packaging power chip |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117824519A (en) * | 2024-03-04 | 2024-04-05 | 包头江馨微电机科技有限公司 | Straight magnet dispensing form detection device |
-
2022
- 2022-03-10 CN CN202210233945.2A patent/CN114602737A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117824519A (en) * | 2024-03-04 | 2024-04-05 | 包头江馨微电机科技有限公司 | Straight magnet dispensing form detection device |
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Application publication date: 20220610 |