CN114325299B - Pick-and-place assembly and method for chip test - Google Patents
Pick-and-place assembly and method for chip test Download PDFInfo
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- CN114325299B CN114325299B CN202111302262.XA CN202111302262A CN114325299B CN 114325299 B CN114325299 B CN 114325299B CN 202111302262 A CN202111302262 A CN 202111302262A CN 114325299 B CN114325299 B CN 114325299B
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Abstract
The invention discloses a picking and placing component and a method for chip testing, wherein the method comprises the following steps: step one, a suction nozzle rod moves to be right above a chip to be processed; step two, enabling the suction nozzle rod to continuously move downwards and gradually approach the chip; starting a vacuum generator communicated with the suction nozzle rod, so that a negative pressure adsorption chip is formed in the suction nozzle rod; and step four, the first motor drives the gear to rotate forward or reversely according to the angle to be regulated from the image correction mechanism, and at the moment, the arc-shaped toothed bar meshed with the gear drives the connecting rod and the clamping bar to rotate correspondingly, so that the suction nozzle rod with the axle center overlapped with the circle center of the arc-shaped toothed bar rotates around the axle center of the suction nozzle rod in a V-shaped channel formed by at least 2 pairs of bearings under the driving of the clamping bar, and the chip adsorbed on the suction nozzle rod is regulated to a correct position. The invention can effectively avoid the situation of chip damage or unstable adsorption caused by unstable contact pressure between the suction nozzle and the chip.
Description
Technical Field
The invention relates to a chip testing method, and belongs to the technical field of optical device testing.
Background
The optical device is an optoelectronic device in an optical communication system, which can convert an electrical signal into an optical signal or convert an optical signal into an electrical signal, and is a heart of an optical transmission system. After the optical device is packaged and manufactured, all photoelectric indexes of the optical device are tested to meet the requirements through an electric-adding link, and the qualified optical device can enter the next working procedure. As a component directly contacting the chip in the test link, the suction nozzle for picking up the chip plays an important role, and for the test link in the optical communication industry, the requirements on the position accuracy of the chip and the contact pressure between the suction nozzle and the chip are high due to the requirements of the process.
Disclosure of Invention
The invention aims to provide a pick-and-place component and a method for chip testing, which can effectively avoid the situation of chip damage or unstable absorption caused by unstable contact pressure between a suction nozzle and a chip.
In order to achieve the above purpose, the invention adopts the following technical scheme: a pick-and-place assembly for chip testing, comprising: the device comprises a base, a first motor, a horizontal sliding table, an adapter plate, a second motor and a suction nozzle rod, wherein the first motor, the horizontal sliding table, the adapter plate, the second motor and the suction nozzle rod are vertically arranged on the base;
the fixed seat is arranged below the first motor and is arranged on the base, a left inclined surface area and a right inclined surface area are respectively arranged on the left side and the right side of the front end surface of the fixed seat, at least 2 pairs of bearings are arranged on the front end surface of the fixed seat, the left bearings of each pair of bearings are arranged on the left inclined surface area of the fixed seat at intervals along the vertical direction, the right bearings of each pair of bearings are arranged on the right inclined surface area of the fixed seat at intervals along the vertical direction, a V-shaped channel is formed between the left bearings and the right bearings of each pair of bearings, and the suction nozzle rod is positioned in the V-shaped channel of at least 2 pairs of bearings;
a clamping bar and an arc-shaped rack are arranged above the fixed seat, the front end of the clamping bar is in clamping connection with the upper end of the suction nozzle rod, the rear end of the clamping bar is connected with the arc-shaped rack through a connecting rod, the arc-shaped rack is in meshed connection with a gear on the output shaft of the first motor, and the circle center of the arc-shaped rack is overlapped with the axle center of the suction nozzle rod;
the clamping strip is connected respectively to left spring both ends, the left side face of fixing base upper portion each, and the right side face of clamping strip is connected respectively to right spring both ends, the one end that left spring and clamping strip are connected is higher than its other end, and left spring one end is close to the arc rack and is located the below of arc rack, and the other end is connected to the one end that clamping strip kept away from the arc rack, and this left spring is the slope setting with the horizontal direction, right spring is vertical setting, the pulling force of left spring is greater than the pulling force of right spring.
The further improved scheme in the technical scheme is as follows:
1. in the above scheme, the Z-axis sliding mechanism further comprises a screw rod sleeved with a nut, at least one pair of sliding rails and a sliding block, and an output shaft of the second motor is connected with one end of the screw rod.
2. In the scheme, the connecting rod is connected to the middle of the arc-shaped rack.
3. In the above scheme, the lower extreme of right spring is connected with the fixing base through a right link, has a vertical bar hole on this right link, right link is connected with the fixing base through the bolt of embedding vertical bar hole.
4. In the above scheme, the other end of the left spring is connected with the fixing seat through a left hanging piece, a plurality of through holes are formed in the left hanging piece, and the other end of the left spring is connected with one through hole.
5. In the above scheme, the lower surface of the clamping strip is provided with a protruding part which is contacted with the upper surface of the fixing seat.
6. In the scheme, the front end of the clamping strip is provided with the clamping bolt, and one end of each of the left spring and the right spring is respectively connected with the left end and the right end of the clamping bolt.
The invention also provides a pick-and-place method for chip test, which is based on the pick-and-place component and comprises the following steps:
step one, adjusting the position of a base provided with a suction nozzle rod through a Z-axis sliding mechanism and a horizontal sliding table, so that the suction nozzle rod moves to the position right above a chip to be processed;
step two, enabling the suction nozzle rod to continuously move downwards and gradually cling to the chip by adjusting the Z-axis sliding mechanism, wherein the tension of the left spring and the right spring between the clamping strip with one end clamping the suction nozzle rod and the two sides of the fixing seat is gradually increased, and the contact pressure between the suction nozzle rod and the chip converted from the component force of the tension of the left spring in the vertical direction and the tension of the right spring is gradually increased until the suction nozzle on the suction nozzle rod is in close contact with the surface of the chip;
starting a vacuum generator communicated with the suction nozzle rod, so that a negative pressure adsorption chip is formed in the suction nozzle rod;
and step four, the first motor drives the gear to rotate forward or reversely according to the angle to be regulated from the image correction mechanism, and at the moment, the arc-shaped toothed bar meshed with the gear drives the connecting rod and the clamping bar to rotate correspondingly, so that the suction nozzle rod with the axle center overlapped with the circle center of the arc-shaped toothed bar rotates around the axle center of the suction nozzle rod in a V-shaped channel formed by at least 2 pairs of bearings under the driving of the clamping bar, and the chip adsorbed on the suction nozzle rod is regulated to a correct position.
Due to the application of the technical scheme, compared with the prior art, the invention has the following advantages:
1. the picking and placing component and the method for chip testing, provided by the invention, have the advantages that the angle of the chip is adjusted in a large range in a forward and reverse bidirectional dynamic manner, the application situation is expanded, the accuracy of calculating and adjusting the angle is improved, the stability of the accuracy is kept after long-time high-frequency use, the contact pressure of the suction nozzle rod and the chip is gradually increased, the chip loss and secondary position offset caused by chip adsorption failure are effectively avoided, the one-time adsorption success rate of the chip is greatly improved, the accuracy of angle adjustment is further improved, and the damage to the chip is also avoided.
2. The invention provides a picking and placing component and a method for chip testing, wherein the lower surface of a clamping strip is provided with a protruding part which is contacted with the upper surface of a fixed seat, so that the stability of surface contact between the clamping strip and the fixed seat can be ensured under the action of a left spring and a right spring, the friction force between the clamping strip and the fixed seat can be reduced in the long-time high-frequency use process, and the precision of driving a suction nozzle rod to rotate by the clamping strip under the driving of a gear and an arc-shaped rack is further ensured.
Drawings
FIG. 1 is a schematic diagram of a pick-and-place assembly for chip testing according to the present invention;
FIG. 2 is an enlarged view of the structure at A in FIG. 1;
FIG. 3 is an enlarged view of a portion of the pick-and-place assembly of the present invention from another perspective;
fig. 4 is an enlarged view of a partial structure of the pick-and-place assembly of the present invention without the suction nozzle stick.
In the above figures: 1. a base; 101. an upper end plate; 2. a first motor; 3. a horizontal slipway; 4. an adapter plate; 401. a lower end plate; 402. a vertical plate; 5. a second motor; 6. a suction nozzle lever; 7. a substrate; 8. a Z-axis sliding mechanism; 9. a fixing seat; 901. a left bevel region; 902. a right bevel region; 10. a V-shaped channel; 11. a left bearing; 12. a right bearing; 13. clamping the strip; 131. a boss; 14. an arc-shaped rack; 15. a connecting rod; 16. a gear; 17. a left spring; 171. a left hanging piece; 172. a through hole; 18. a right spring; 181. a right hanging piece; 182. a vertical bar-shaped hole; 19. and clamping the bolt.
Detailed Description
In the description of this patent, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are based on directions or positional relationships shown in the drawings, are merely for convenience of description and simplification of description, and do not indicate or imply that the apparatus or element in question must have a specific direction, be configured and operated in a specific direction, and thus should not be construed as limiting the invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; furthermore, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in this patent will be understood by those of ordinary skill in the art in a specific context.
Example 1: a pick-up device for chip testing, comprising: the device comprises a base 1, a first motor 2 vertically arranged on the base 1, a horizontal sliding table 3, an adapter plate 4, a second motor 5 and a suction nozzle rod 6, wherein the horizontal sliding table 3 is positioned between an upper end plate 101 of the base 1 and a lower end plate 401 of the adapter plate 4, the second motor 5 is fixed on a base plate 7, the base plate 7 is connected with the adapter plate 4 through a Z-axis sliding mechanism 8, and an output shaft of the second motor 5 is connected with the Z-axis sliding mechanism 8;
a fixed seat 9 below the first motor 2 is installed on the base 1, the left side and the right side on the front end surface of the fixed seat 9 are respectively provided with a left inclined surface area 901 and a right inclined surface area 902, at least 2 pairs of bearings are installed on the front end surface of the fixed seat 9, the left bearings 11 in each pair of bearings are arranged on the left inclined surface area 901 of the fixed seat 9 at intervals along the vertical direction, the right bearings 12 in each pair of bearings are arranged on the right inclined surface area 902 of the fixed seat 9 at intervals along the vertical direction, a V-shaped channel 10 is formed between the left bearings 11 and the right bearings 12 in each pair of bearings, and the suction nozzle rod 6 is positioned in the V-shaped channel 10 of at least 2 pairs of bearings;
a clamping bar 13 and an arc-shaped rack 14 are arranged above the fixed seat 9, the front end of the clamping bar 13 is in clamping connection with the upper end of the suction nozzle rod 6, the rear end of the clamping bar 13 is connected with the arc-shaped rack 14 through a connecting rod 15, the arc-shaped rack 14 is in meshed connection with a gear 16 on the output shaft of the first motor 2, and the center of the arc-shaped rack 14 is overlapped with the axis of the suction nozzle rod 6;
the left spring 17 is connected with the clamping strip 13 and the left side surface of the upper part of the fixed seat 9 respectively, the right spring 18 is connected with the clamping strip 13 and the right side surface of the lower part of the fixed seat 9 respectively, one end of the left spring 17 connected with the clamping strip 13 is higher than the other end of the left spring, one end of the left spring 17 is close to the arc-shaped rack 14 and is positioned below the arc-shaped rack 14, the other end of the left spring 17 is connected to one end of the clamping strip 13 far away from the arc-shaped rack 14, the left spring 17 is obliquely arranged with the horizontal direction, the right spring 18 is vertically arranged, and the tensile force of the left spring 17 is greater than that of the right spring 18.
The Z-axis sliding mechanism 8 further comprises a screw rod sleeved with a nut, at least one pair of sliding rails and a sliding block, and an output shaft of the second motor 5 is connected with one end of the screw rod; the adapter plate 4 further comprises a vertical plate 402 and a lower end plate 401 which are perpendicular to each other, and the horizontal sliding table 3 and the first motor 2 are respectively positioned at two sides of the vertical plate 402;
the second motor 5 and the Z-axis sliding mechanism 8 are located between the base plate 7 and the vertical plate 402; the connecting rod 15 is connected to the middle of the arc-shaped rack 14; the front end of the clamping bar 13 is provided with a clamping bolt 19, and one end of each of the left spring 17 and the right spring 17 is respectively connected with the left end and the right end of the clamping bolt 19.
Example 2: a pick-and-place assembly for chip testing, comprising: the suction nozzle comprises a base 1, a first motor 2 and a suction nozzle rod 6 which are vertically arranged on the base 1, a fixed seat 9 positioned below the first motor 2 is arranged on the base 1, a left inclined surface area 901 and a right inclined surface area 902 are respectively arranged on the left side and the right side on the front end surface of the fixed seat 9, at least 2 pairs of bearings are arranged on the front end surface of the fixed seat 9, left bearings 11 in each pair of bearings are arranged on the left inclined surface area 901 of the fixed seat 9 at intervals along the vertical direction, right bearings 12 in each pair of bearings are arranged on the right inclined surface area 902 of the fixed seat 9 at intervals along the vertical direction, so that a V-shaped channel 10 is formed between the left bearings 11 and the right bearings 12 in each pair of bearings, and the suction nozzle rod 6 is positioned in the V-shaped channel 10 of at least 2 pairs of bearings;
a clamping bar 13 and an arc-shaped rack 14 are arranged above the fixed seat 9, the front end of the clamping bar 13 is in clamping connection with the upper end of the suction nozzle rod 6, the rear end of the clamping bar 13 is connected with the arc-shaped rack 14 through a connecting rod 15, the arc-shaped rack 14 is in meshed connection with a gear 16 on the output shaft of the first motor 2, and the center of the arc-shaped rack 14 is overlapped with the axis of the suction nozzle rod 6;
the left spring 17 is connected with the clamping strip 13 and the left side surface of the upper part of the fixed seat 9 respectively, the right spring 18 is connected with the clamping strip 13 and the right side surface of the lower part of the fixed seat 9 respectively, one end of the left spring 17 connected with the clamping strip 13 is higher than the other end of the left spring, one end of the left spring 17 is close to the arc-shaped rack 14 and is positioned below the arc-shaped rack 14, the other end of the left spring 17 is connected to one end of the clamping strip 13 far away from the arc-shaped rack 14, the left spring 17 is obliquely arranged with the horizontal direction, the right spring 18 is vertically arranged, and the tensile force of the left spring 17 is greater than that of the right spring 18.
The lower end of the right spring 18 is connected with the fixed seat 9 through a right hanging piece 181, a vertical bar-shaped hole 182 is formed in the right hanging piece 181, and the right hanging piece 181 is connected with the fixed seat 9 through a bolt embedded in the vertical bar-shaped hole 182;
the other end of the left spring 17 is connected with the fixed seat 9 through a left hanging piece 171, the left hanging piece 171 is provided with a plurality of through holes 172, and the other end of the left spring 17 is connected with one through hole 172; the lower surface of the clamping strip 13 is provided with a protruding part 131 which is contacted with the upper surface of the fixed seat 9.
Example 3: the pick-and-place method for chip test is based on the pick-and-place assembly and comprises the following steps:
step one, adjusting the position of a base 1 provided with a suction nozzle rod 6 through a Z-axis sliding mechanism 8 and a horizontal sliding table 3, so that the suction nozzle rod 6 moves to the position right above a chip to be processed;
step two, the Z-axis sliding mechanism 8 is adjusted to enable the suction nozzle rod 6 to continuously move downwards to be gradually attached to the optical communication chip, at the moment, the tensile force of the left spring 17 and the tensile force of the right spring 18 between the clamping strip 13 with one end clamping the suction nozzle rod 6 and two sides of the fixed seat 9 are gradually increased, and the contact pressure between the suction nozzle rod 6 and the chip converted by the component force of the tensile force of the left spring 17 in the vertical direction and the tensile force of the right spring 18 are gradually increased until the suction nozzle on the suction nozzle rod 6 is in close contact with the surface of the chip;
starting a vacuum generator communicated with the suction nozzle rod 6, so that a negative pressure adsorption chip is formed in the suction nozzle rod 6;
step four, the first motor 2 drives the gear 16 to rotate forward or backward according to the angle to be adjusted from the image correction mechanism, and at this time, the arc-shaped rack 14 meshed with the gear 16 carries the connecting rod 15 and the clamping bar 13 to rotate correspondingly, so that the suction nozzle rod 6 with the axis overlapped with the circle center of the arc-shaped rack 14 rotates around the axis of the suction nozzle rod 6 in the V-shaped channel 10 formed by at least 2 pairs of bearings under the driving of the clamping bar 13, and the chip adsorbed on the suction nozzle rod 6 is adjusted to the correct position.
When the picking and placing assembly and the method for chip testing are adopted, the suction nozzle rod is driven to move to the position above the chip to be picked up in the horizontal direction and the vertical direction by adjusting the horizontal sliding table and the Z-axis sliding mechanism, the suction nozzle rod adsorbs and picks up the chip in a vacuum adsorption mode, the chip to be picked up generally has position deviation on a larger or smaller angle, and the angle of the chip needs to be adjusted and corrected through the rotation of the suction nozzle rod so as to meet the high requirement on precision in the chip testing process, and the method specifically comprises the following steps:
the gear on the output shaft of the first motor rotates forward or reversely to drive the arc-shaped rack to rotate forward or reversely correspondingly, so that the angle adjusting range is enlarged to +/-45 degrees, the angle adjusting requirements of various situations are met, and the mounting application situation is expanded;
further, the arc-shaped rack also carries the corresponding rotation of the connecting rod and the clamping strip, and as the circle center of the arc-shaped rack is overlapped with the axle center of the suction nozzle rod, the suction nozzle rod is positioned in the clamping channel of at least 2 pairs of bearings, so that the suction nozzle rod rotates around the axle center of the suction nozzle rod under the positioning of the left bearing and the right bearing, the lateral pressure of the left bearing and the right bearing is avoided, a great amount of positioning offset generated after the repeated suction of a chip works is avoided, and the stability of precision is still maintained after long-time high-frequency use;
further, two ends of the left spring are respectively connected with the clamping strip and the left side face of the upper part of the fixing seat, one end of the left spring, which is connected with the clamping strip, is higher than the other end of the left spring, one end of the left spring is close to the arc-shaped rack and is positioned below the arc-shaped rack, the other end of the left spring is connected to one end of the clamping strip, which is far away from the arc-shaped rack, and the tension part of the left spring is converted into torsion, so that the teeth of the gear on the output shaft of the first motor are ensured to be in gapless contact with the teeth of the gear no matter whether the gear rotates positively or reversely, the gap between the teeth is eliminated, and therefore, the pulse number of the first motor can be accurately calculated according to the angle to be regulated, the rotation angle of the actual gear and the suction nozzle rod is consistent with the rotation angle expected by the pulse, and the angle calculation and regulation precision is improved;
further, the two ends of the right spring are respectively connected with the clamping strip and the lower part of the fixing seat and are positioned on the right side of the left spring, the left spring is obliquely arranged with the horizontal direction, the right spring is vertically arranged, the pulling force of the left spring is larger than that of the right spring, part of the pulling force of the left spring is converted into downward pressure on the clamping strip to act together with the right spring, the lateral pressure on the left bearing and the right bearing is reduced, meanwhile, the pressure contacted with the chip is gradually increased in the process that the suction nozzle rod approaches the chip, so that the suction nozzle of the suction nozzle rod can be well contacted with the surface of the chip, the disposable adsorption success rate is favorably improved, and the negative pressure adsorption chip is formed in the suction nozzle rod, so that the air flow around the chip can quickly flow to the suction nozzle of the suction nozzle rod, the pressure applied by the application avoids the situation that the position and the angle of the chip are secondarily offset under the action of the air flow to cause the calculated angle and the actual angle to be different, the rotation precision is influenced, and the mounting precision is influenced, and the damage to the chip is avoided;
in sum, the angle of the chip is adjusted in a large range in a forward and reverse bidirectional dynamic manner, the application situation is expanded, the accuracy of calculating and adjusting the angle is improved, the stability of the accuracy is kept after long-time high-frequency use, the contact pressure of the suction nozzle rod and the chip can be gradually increased, the chip loss and secondary position offset caused by the chip adsorption failure are effectively avoided, the one-time adsorption success rate of the chip is greatly improved, the accuracy of angle adjustment is further improved, and the damage to the chip is avoided;
further, the lower surface of the clamping strip is provided with a protruding part which is in contact with the upper surface of the fixing seat, so that the stability of surface contact between the clamping strip and the fixing seat can be guaranteed under the action of the left spring and the right spring, the friction force between the clamping strip and the fixing seat can be reduced in the long-time high-frequency use process, and the accuracy of driving the suction nozzle rod to rotate under the driving of the gear and the arc-shaped rack by the clamping strip is further guaranteed.
The above embodiments are provided to illustrate the technical concept and features of the present invention and are intended to enable those skilled in the art to understand the content of the present invention and implement the same, and are not intended to limit the scope of the present invention. All equivalent changes or modifications made in accordance with the spirit of the present invention should be construed to be included in the scope of the present invention.
Claims (7)
1. A pick-and-place method for chip test is characterized in that: based on a get and put subassembly, get and put subassembly includes: the device comprises a base (1), a first motor (2), a horizontal sliding table (3), an adapter plate (4), a second motor (5) and a suction nozzle rod (6), wherein the first motor (2), the horizontal sliding table (3), the adapter plate (4) and the suction nozzle rod (6) are vertically arranged on the base (1), the horizontal sliding table (3) is positioned between an upper end plate (101) of the base (1) and a lower end plate (401) of the adapter plate (4), the second motor (5) is fixed on a base plate (7), the base plate (7) is connected with the adapter plate (4) through a Z-axis sliding mechanism (8), and an output shaft of the second motor (5) is connected with the Z-axis sliding mechanism (8);
a fixed seat (9) positioned below the first motor (2) is arranged on the base (1), a left inclined surface area (901) and a right inclined surface area (902) are respectively arranged on the left side and the right side on the front end surface of the fixed seat (9), at least 2 pairs of bearings are arranged on the front end surface of the fixed seat (9), left bearings (11) in each pair of bearings are arranged on the left inclined surface area (901) of the fixed seat (9) at intervals along the vertical direction, right bearings (12) in each pair of bearings are arranged on the right inclined surface area (902) of the fixed seat (9) at intervals along the vertical direction, a V-shaped channel (10) is formed between the left bearings (11) and the right bearings (12) in each pair of bearings, and a suction nozzle rod (6) is positioned in the V-shaped channel (10) of at least 2 pairs of bearings;
a clamping strip (13) and an arc-shaped rack (14) are arranged above the fixed seat (9), the front end of the clamping strip (13) is in clamping connection with the upper end of the suction nozzle rod (6), the rear end of the clamping strip (13) is connected with the arc-shaped rack (14) through a connecting rod (15), the arc-shaped rack (14) is in meshed connection with a gear (16) on the output shaft of the first motor (2), and the center of the arc-shaped rack (14) is overlapped with the axis of the suction nozzle rod (6);
two ends of a left spring (17) are respectively connected with the clamping strip (13) and the left side surface of the upper part of the fixed seat (9), two ends of a right spring (18) are respectively connected with the clamping strip (13) and the right side surface of the lower part of the fixed seat (9), one end of the left spring (17) connected with the clamping strip (13) is higher than the other end of the left spring, one end of the left spring (17) is close to the arc-shaped rack (14) and is positioned below the arc-shaped rack (14), the other end of the left spring is connected to one end, far away from the arc-shaped rack (14), of the clamping strip (13), the left spring (17) is obliquely arranged with the horizontal direction, the right spring (18) is vertically arranged, and the tensile force of the left spring (17) is larger than that of the right spring (18);
the picking and placing method comprises the following steps:
step one, adjusting the position of a base (1) provided with a suction nozzle rod (6) through a Z-axis sliding mechanism (8) and a horizontal sliding table (3), so that the suction nozzle rod (6) moves to the position right above a chip to be processed;
step two, the suction nozzle rod (6) continuously moves downwards to be gradually attached to the chip by adjusting the Z-axis sliding mechanism (8), at the moment, the tensile force of a left spring (17) and a right spring (18) between a clamping strip (13) with one end clamping the suction nozzle rod (6) and two sides of the fixed seat (9) is gradually increased, and the contact pressure between the suction nozzle rod (6) and the chip, which is converted by the component force of the tensile force of the left spring (17) in the vertical direction and the tensile force of the right spring (18), is gradually increased until the suction nozzle on the suction nozzle rod (6) is in close contact with the surface of the chip;
starting a vacuum generator communicated with the suction nozzle rod (6), so as to form a negative pressure adsorption chip in the suction nozzle rod (6);
and step four, the first motor (2) drives the gear (16) to rotate forward or reversely according to the angle to be regulated from the image correction mechanism, and at the moment, the arc-shaped rack (14) meshed with the gear (16) carries the connecting rod (15) and the clamping strip (13) to rotate correspondingly, so that the suction nozzle rod (6) with the axis overlapped with the circle center of the arc-shaped rack (14) rotates around the axis of the suction nozzle rod under the driving of the clamping strip (13) in the V-shaped channel (10) formed by at least 2 pairs of bearings, and the chip adsorbed on the suction nozzle rod (6) is regulated to a correct position.
2. The pick-and-place method for chip testing according to claim 1, wherein: the Z-axis sliding mechanism (8) further comprises a screw rod sleeved with a nut, at least one pair of sliding rails and a sliding block, and an output shaft of the second motor (5) is connected with one end of the screw rod.
3. The pick-and-place method for chip testing according to claim 1, wherein: the connecting rod (15) is connected to the middle of the arc-shaped rack (14).
4. The pick-and-place method for chip testing according to claim 1, wherein: the lower end of the right spring (18) is connected with the fixed seat (9) through a right hanging piece (181), a vertical bar-shaped hole (182) is formed in the right hanging piece (181), and the right hanging piece (181) is connected with the fixed seat (9) through a bolt embedded in the vertical bar-shaped hole (182).
5. The pick-and-place method for chip testing according to claim 1, wherein: the other end of the left spring (17) is connected with the fixed seat (9) through a left hanging piece (171), a plurality of through holes (172) are formed in the left hanging piece (171), and the other end of the left spring (17) is connected with one through hole (172).
6. The pick-and-place method for chip testing according to claim 1, wherein: the lower surface of the clamping strip (13) is provided with a protruding part (131) which is contacted with the upper surface of the fixed seat (9).
7. The pick-and-place method for chip testing according to claim 1, wherein: the front end of the clamping strip (13) is provided with a clamping bolt (19), and one end of each of the left spring (17) and the right spring (18) is respectively connected with the left end and the right end of the clamping bolt (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202111302262.XA CN114325299B (en) | 2021-11-04 | 2021-11-04 | Pick-and-place assembly and method for chip test |
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| CN202111302262.XA CN114325299B (en) | 2021-11-04 | 2021-11-04 | Pick-and-place assembly and method for chip test |
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| CN114325299B true CN114325299B (en) | 2024-03-01 |
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| CN109991195A (en) * | 2019-04-24 | 2019-07-09 | 浙江警察学院 | A kind of SPR detector single channel micro-fluidic chip clamping system |
| CN111987019A (en) * | 2020-08-28 | 2020-11-24 | 宁波酷趣网络科技有限公司 | Integrated packaging device and method for chip production |
| CN112151438A (en) * | 2020-10-26 | 2020-12-29 | 浙江热刺激光技术有限公司 | Chip taking and placing device |
| CN213026090U (en) * | 2020-10-26 | 2021-04-20 | 浙江热刺激光技术有限公司 | Chip taking and placing device |
| CN113460674A (en) * | 2021-06-28 | 2021-10-01 | 大连佳峰自动化股份有限公司 | Chip pick-up head assembly and chip pick-up device |
-
2021
- 2021-11-04 CN CN202111302262.XA patent/CN114325299B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109991195A (en) * | 2019-04-24 | 2019-07-09 | 浙江警察学院 | A kind of SPR detector single channel micro-fluidic chip clamping system |
| CN111987019A (en) * | 2020-08-28 | 2020-11-24 | 宁波酷趣网络科技有限公司 | Integrated packaging device and method for chip production |
| CN112151438A (en) * | 2020-10-26 | 2020-12-29 | 浙江热刺激光技术有限公司 | Chip taking and placing device |
| CN213026090U (en) * | 2020-10-26 | 2021-04-20 | 浙江热刺激光技术有限公司 | Chip taking and placing device |
| CN113460674A (en) * | 2021-06-28 | 2021-10-01 | 大连佳峰自动化股份有限公司 | Chip pick-up head assembly and chip pick-up device |
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| CN114325299A (en) | 2022-04-12 |
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