A double-station glue spot alignment device

Abstract

The present invention discloses a dual-station dispensing and positioning device, including an X-axis drive mechanism, the top of which is fixedly connected to a mounting plate, the top of which is fixedly connected to a first drive station and a second drive station for dispensing and pressing chips in steps, the surfaces of the first drive station and the second drive station are both fixedly connected to a Z-axis drive mechanism for carrying and adjusting the position of the chip, and the surface of the Z-axis drive mechanism is provided with a positioning mechanism for positioning the chip. The present invention can drive the Z-axis drive mechanism and the positioning mechanism on the top thereof to move by providing the first drive station and the second drive station, such a setting can enable the Z-axis drive mechanism and the positioning mechanism of one group of stations to perform the dispensing step, while the Z-axis drive mechanism and the positioning mechanism of the other station can perform the pressing process, such a setting can avoid the occurrence of empty strokes, and improve the efficiency of dispensing to a certain extent.

Description

Technical Field

[0001] The invention relates to the technical field of chip placement machines, in particular to a double-station point glue alignment device. Background Art

[0002] Integrated circuit English: integrated circuit, abbreviated as IC; also known as microcircuit (microcircuit), microchip (microchip), wafer / chip (chip). In electronics, it is a way to miniaturize circuits (mainly including semiconductor devices, but also passive components, etc.), and is often manufactured on the surface of semiconductor wafers.

[0003] During the chip production process, it needs to be glued, and the chip needs to be pressed after the glue is finished. In the existing equipment, the chip needs to be pressed during the glue dispensing process. This method of pressing after glue is finished leads to a decrease in glue dispensing efficiency, and the chip is easily moved during the mobile pressing process. In addition, the glue dispensing position accuracy of the chip during the glue dispensing process is relatively high, and the position adjustment is not precise enough. For this reason, we propose a double-station glue dispensing alignment device. Summary of the invention

[0004] The object of the present invention is to provide a double-station point glue alignment device to solve the problems that need to be solved in the background technology.

[0005] To achieve the above-mentioned objectives, the present invention provides the following technical solutions: a dual-station point dispensing and positioning device, comprising an X-axis drive mechanism, the top of which is fixedly connected to a mounting plate, the top of which is fixedly connected to a first drive station and a second drive station for step-by-step dispensing and pressing of chips, the surfaces of the first drive station and the second drive station are fixedly connected to a Z-axis drive mechanism for carrying and adjusting the position of the chip, and the surface of the Z-axis drive mechanism is provided with a positioning mechanism for positioning the chip.

[0006] Preferably, the X-axis driving mechanism includes an electric slide rail and an electric slider, the electric slide rails are arranged in two symmetrically distributed groups, the outer surface of the electric slide rail is provided with an electric slider adapted thereto, and the tops of the two groups of electric sliders are fixedly connected with a mounting plate.

[0007] Preferably, the first driving station and the second driving station are arranged in parallel and have the same structure, and the first driving station and the second driving station both include a mounting frame, a mounting bracket and a first servo motor, the mounting frame is fixedly installed on the top of the mounting plate, one side of the mounting frame is fixedly connected to the mounting bracket, one side of the mounting bracket is fixedly installed with the first servo motor, the interior of the mounting frame is rotatably connected to the first screw shaft, the output end of the first servo motor passes through the interior of the mounting bracket and is fixedly connected to the first screw shaft, the outer surface of the first screw shaft is provided with a first screw sleeve matched therewith, the top of the first screw sleeve is fixedly connected to a connecting block, and the bottom of the connecting block fits with the outer surface of the mounting frame.

[0008] Preferably, a limiting groove is provided on the top of the connection block, a limiting plate is fixedly connected to the top of the installation frame, and the bottom of the limiting plate fits with the bottom of the inner wall of the limiting groove.

[0009] Preferably, the Z-axis driving mechanism comprises a working frame, a first mounting plate, a guide rail, a slider, and a second servo motor, the top of the working frame is fixedly connected to the first mounting plate, one side of the first mounting plate is fixedly connected to two sets of guide rails, the outer surface of the guide rail is slidably connected to the slider, the top of the working frame and one side of the slider is fixedly installed with a second servo motor, the output end of the second servo motor passes through the top of the working frame and extends to the inside of the working frame, the output end of the second servo motor is fixedly connected to the first pulley, the inside of the working frame is rotatably installed with a second screw shaft, the outer surface of the second screw shaft corresponds to the first The position of the pulley is fixedly connected to a second pulley, the outer surfaces of the first pulley and the second pulley are connected to each other through a driving belt, the outer surface of the second screw shaft is provided with a second screw sleeve matching it, one side of the second screw sleeve is fixedly installed on the inner wall of the slider, the top of the slider is fixedly connected to a second mounting plate, the top of the second mounting plate is fixedly connected to a first clamping plate and a second clamping plate, the opposite sides of the first clamping plate and the second clamping plate form a fixing groove for clamping the chip, the top of the second mounting plate is fixedly connected to a limiting frame, and one side of the limiting frame is fixedly connected to a positioning mechanism through a third mounting plate.

[0010] Preferably, the positioning mechanism includes a clamping cylinder, a first connecting rod, and a second connecting rod. The clamping cylinder is fixedly mounted on one side of a third mounting plate. The output end of the clamping cylinder is fixedly connected to the first connecting rod. One end of the first connecting rod is fixedly connected to the second connecting rod. The top of the second connecting rod is fixedly connected to a clamping plate. A plurality of avoidance grooves are provided on the surface of the clamping plate.

[0011] Preferably, the bottom of the limiting frame is fixedly connected to the limiting sleeve, the bottom of the second connecting rod and the position corresponding to the limiting sleeve are fixedly connected to the limiting shaft, and the limiting shaft is inserted into the interior of the limiting sleeve.

[0012] Compared with the prior art, the present invention has the following beneficial effects: the present invention can drive the Z-axis driving mechanism and the positioning mechanism on the top thereof to move by setting the first driving station and the second driving station. Such a setting can enable the Z-axis driving mechanism and the positioning mechanism of one group of stations to perform the dispensing step, while the Z-axis driving mechanism and the positioning mechanism of the other station can perform the pressing process. Such a setting can avoid the occurrence of empty strokes and improve the efficiency of dispensing to a certain extent. The set X-axis driving mechanism, the first driving station, the second driving station and the Z-axis driving mechanism can move the positioning mechanism used for chip clamping and fixing in all directions, and such a setting can scan and position the chip clamped inside the positioning mechanism above the device, so that the positioning mechanisms after the dispensing is completed can be positioned individually one by one, and then the external chip picking mechanism can press the chip to the corresponding position. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the three-dimensional structure of the present invention;

[0014] Figure 2 This is an enlarged schematic diagram of structure A of the present invention;

[0015] Figure 3 It is a schematic diagram of the installation structure of the Z-axis driving mechanism and the positioning mechanism of the present invention;

[0016] Figure 4 It is a schematic diagram of the front cross-sectional structure of the Z-axis driving mechanism of the present invention;

[0017] Figure 5 It is a schematic diagram of the stereoscopic structure of the clamping piece of the present invention.

[0018] In the figure: 1X-axis driving mechanism, 2 mounting plate, 3 first driving station, 4 second driving station, 5Z-axis driving mechanism, 6 positioning mechanism, 7 electric slide rail, 8 electric slider, 9 mounting frame, 10 mounting frame, 11 first servo motor, 12 first screw shaft, 13 first screw sleeve, 14 connecting block, 15 limiting groove, 16 limiting plate, 17 working frame, 18 first mounting plate, 19 guide rail, 20 slider, 21 second servo motor, 22 second screw shaft, 23 second mounting plate, 24 first clamping plate, 25 second clamping plate, 26 limiting frame, 27 third mounting plate, 28 clamping cylinder, 29 first connecting rod, 30 second connecting rod, 31 clamping sheet, 32 avoidance groove, 33 limiting sleeve, 34 limiting shaft, 35 first pulley, 36 second pulley, 37 driving belt, 38 second screw sleeve. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0020] See also Figure 1 The present invention provides a technical solution: a dual-station dispensing and positioning device, comprising an X-axis driving mechanism 1, the top of the X-axis driving mechanism 1 is fixedly connected to a mounting plate 2, the top of the mounting plate 2 is fixedly connected to a first driving station 3 and a second driving station 4 for step-by-step dispensing and pressing of chips, the surfaces of the first driving station 3 and the second driving station 4 are fixedly connected to a Z-axis driving mechanism 5 for carrying and adjusting the position of the chip, and the surface of the Z-axis driving mechanism 5 is provided with a positioning mechanism 6 for positioning the chip.

[0021] Among them, by setting the first driving station 3 and the second driving station 4, the Z-axis driving mechanism 5 and the positioning mechanism 6 on the top can be driven to move. Such a setting can enable the Z-axis driving mechanism 5 and the positioning mechanism 6 of one group of stations to perform the dispensing step, while the Z-axis driving mechanism 5 and the positioning mechanism 6 of the other station can perform the pressing process. Such a setting can avoid the occurrence of empty strokes and improve the efficiency of dispensing to a certain extent. The set X-axis driving mechanism 1, the first driving station 3, the second driving station 4 and the Z-axis driving mechanism 5 can move the positioning mechanism 6 used for chip clamping and fixing in all directions, and such a setting can scan and position the chip clamped inside the positioning mechanism 6 above the device, so that the positioning mechanism 6 after the dispensing is completed can be positioned individually one by one, and then the external chip picking mechanism can press the chip to the corresponding position.

[0022] See also Figure 1 The X-axis driving mechanism 1 includes an electric slide rail 7 and an electric slider 8. The electric slide rail 7 is arranged in two groups that are symmetrically distributed. The outer surface of the electric slide rail 7 is provided with an electric slider 8 that is compatible with it. The tops of the two groups of electric sliders 8 are fixedly connected with a mounting plate 2.

[0023] Among them, when the external position scanning device completes the positioning of the positioning mechanism 6, the electric slider 8 can be moved along the outer surface of the electric slide rail 7, and then the electric slider 8 can drive the first driving station 3, the second driving station 4, the Z-axis driving mechanism 5 and the positioning mechanism 6 on its top to move through the mounting plate 2.

[0024] Please refer to Figure 1 and Figure 2 The first driving station 3 and the second driving station 4 are arranged in parallel and have the same structure. The first driving station 3 and the second driving station 4 both include a mounting frame 9, a mounting bracket 10 and a first servo motor 11. The mounting frame 9 is fixedly installed on the top of the mounting plate 2. The mounting bracket 10 is fixedly connected to one side of the mounting frame 9. The first servo motor 11 is fixedly installed on one side of the mounting bracket 10. The interior of the mounting frame 9 is rotatably connected with a first screw shaft 12. The output end of the first servo motor 11 passes through the interior of the mounting bracket 10 and is fixedly connected to the first screw shaft 12. The outer surface of the first screw shaft 12 is provided with a first screw sleeve 13 matched therewith. The top of the first screw sleeve 13 is fixedly connected with a connecting block 14, and the bottom of the connecting block 14 fits with the outer surface of the mounting frame 9.

[0025] Among them, when it is necessary to move the Y-axis position of one of the positioning mechanisms 5, the first servo motor 11 is started to rotate. The rotation of the first servo motor 11 can make the first screw shaft 12 rotate. Such an arrangement can make the first screw sleeve 13 and the connecting block 14 adapted to the first screw shaft 12 move along the surface of the mounting frame 9. Such an arrangement can make one of the Z-axis drive mechanisms 5 and the positioning mechanism 6 set on the top of the connecting block 14 move in the Y-axis direction.

[0026] See also Figure 1 and Figure 2 A limiting groove 15 is formed on the top of the connecting block 14 , and a limiting plate 16 is fixedly connected to the top of the mounting frame 9 . The bottom of the limiting plate 16 fits with the bottom of the inner wall of the limiting groove 15 .

[0027] Among them, the limit plate 16 and the limit groove 15 can be engaged with each other. Such a setting can enable the connecting block 14 to drive the Z-axis driving mechanism 5 and the positioning mechanism 6 to move along the Y-axis direction along the installation frame 9 without any deviation or shaking.

[0028] See also Figure 1 , Figure 3 and Figure 4The Z-axis driving mechanism 5 includes a working frame 17, a first mounting plate 18, a guide rail 19, a slider 20 and a second servo motor 21. The top of the working frame 17 is fixedly connected to the first mounting plate 18, one side of the first mounting plate 18 is fixedly connected to two sets of guide rails 19, the outer surface of the guide rail 19 is slidably connected to the slider 20, the top of the working frame 17 and one side of the slider 20 is fixedly installed with a second servo motor 21, the output end of the second servo motor 21 passes through the top of the working frame 17 and extends to the inside of the working frame 17, the output end of the second servo motor 21 is fixedly connected to a first pulley 35, the inside of the working frame 17 is rotatably installed with a second screw shaft 22, the outer surface of the second screw shaft 22 corresponds to the first A pulley 35 is fixedly connected to a second pulley 36, and the outer surfaces of the first pulley 35 and the second pulley 36 are interconnected by a driving belt 37. The outer surface of the second screw shaft 22 is provided with a second screw sleeve 38 adapted thereto, and one side of the second screw sleeve 38 is fixedly mounted on the inner wall of the slider 20, and the top of the slider 20 is fixedly connected to a second mounting plate 23, and the top of the second mounting plate 23 is fixedly connected to a first clamping plate 24 and a second clamping plate 25, and the opposite sides of the first clamping plate 24 and the second clamping plate 25 form a fixing groove for clamping the chip, and the top of the second mounting plate 23 is fixedly connected to a limiting frame 26, and one side of the limiting frame 26 is fixedly connected to a positioning mechanism 6 through a third mounting plate 27.

[0029] Among them, in the process of moving the positioning mechanism 6 in the Z-axis direction, the second servo motor 21 is first started to operate. The second servo motor 21 can drive the second screw shaft 22 and the second pulley 36 to rotate through the first pulley 35 and the belt 37. The rotation of the second screw shaft 22 can drive the second screw sleeve 38 and the slider 20 to move in the Z-axis direction along the guide rail 19 on one side of the first mounting plate 18. The second screw shaft 22 is used to drive the movement of the slider 20 to improve the accuracy of position movement.

[0030] See also Figure 1 , Figure 3 and Figure 5 The positioning mechanism 6 includes a clamping cylinder 28, a first connecting rod 29, and a second connecting rod 30. The clamping cylinder 28 is fixedly installed on one side of the third mounting plate 27. The output end of the clamping cylinder 28 is fixedly connected to the first connecting rod 29, one end of the first connecting rod 29 is fixedly connected to the second connecting rod 30, and the top of the second connecting rod 30 is fixedly connected to a clamping plate 31, and a plurality of avoidance grooves 32 are formed on the surface of the clamping plate 31.

[0031] Among them, when the chip is placed on the opposite sides of the first clamping plate 24 and the second clamping plate 25 to form a fixed groove for clamping the chip, the clamping cylinder 28 is started to move. The movement of the clamping cylinder 28 can drive the clamping plate 31 to approach the top of the chip through the first connecting rod 29 and the second connecting rod 30, so that the chip can be fixedly installed inside the fixed groove.

[0032] See also Figure 3 The bottom of the limit frame 26 is fixedly connected to the limit sleeve 33 , and the bottom of the second connecting rod 30 and the position corresponding to the limit sleeve 33 are fixedly connected to the limit shaft 34 , and the limit shaft 34 is inserted into the interior of the limit sleeve 33 .

[0033] In the process of moving the clamping cylinder 28 , the limiting shaft 34 can be moved along the inside of the limiting sleeve 33 . Such a setting can position the movement of the positioning mechanism 6 in the Z-axis direction without causing it to deviate.

[0034] When in use, first, by setting the first driving station 3 and the second driving station 4, the Z-axis driving mechanism 5 and the positioning mechanism 6 on the top can be driven to move. Such a setting can make the Z-axis driving mechanism 5 and the positioning mechanism 6 of one group of stations perform the dispensing step, while the Z-axis driving mechanism 5 and the positioning mechanism 6 of the other station can perform the pressing process. Such a setting can avoid the occurrence of empty strokes and improve the efficiency of dispensing to a certain extent. The set X-axis driving mechanism 1, the first driving station 3, the second driving station 4 and the Z-axis driving mechanism 5 can move the positioning mechanism 6 used for chip clamping and fixing in all directions, and such a setting The device is provided with a scanning and positioning function for the chip clamped inside the positioning mechanism 6 above the device, so that the positioning mechanism 6 after the dispensing is completed can be positioned one by one, and then the external chip picking mechanism can press the chip to the corresponding position. After the external position scanning device has completed the positioning of the positioning mechanism 6, the electric slider 8 can be moved along the outer surface of the electric slide rail 7, and then the electric slider 8 can drive the first driving station 3, the second driving station 4, the Z-axis driving mechanism 5 and the positioning mechanism 6 on the top thereof to move through the mounting plate 2. When one group of the positioning mechanisms 5 needs to be moved on the Y-axis At this time, the first servo motor 11 is started to rotate. The rotation of the first servo motor 11 can make the first screw shaft 12 rotate. This arrangement can make the first screw sleeve 13 and the connecting block 14 matched with the first screw shaft 12 move along the surface of the mounting frame 9. This arrangement can make one of the sets of Z-axis driving mechanisms 5 and the positioning mechanism 6 set on the top of the connecting block 14 move in the Y-axis direction. In the process of moving the positioning mechanism 6 in the Z-axis direction, the second servo motor 21 is first started to operate. The second servo motor 21 can drive the second screw shaft 22 and the second pulley 3 through the first pulley 35 and the belt 37. 6 is rotated, and the rotation of the second screw shaft 22 can drive the second screw sleeve 38 and the slider 20 to move along the guide rail 19 on one side of the first mounting plate 18 in the Z-axis direction. The second screw shaft 22 is used to drive the movement of the slider 20, so as to improve the accuracy of position movement. When the chip is placed inside the fixed groove for clamping the chip on the opposite sides of the first clamping plate 24 and the second clamping plate 25, the clamping cylinder 28 is started to move. The movement of the clamping cylinder 28 can drive the clamping piece 31 to approach the top of the chip through the first connecting rod 29 and the second connecting rod 30, so that the chip can be fixedly installed inside the fixed groove.

[0035] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A double-station point glue alignment device, comprising an X-axis drive mechanism, the top of which is fixedly connected to a mounting plate, characterized in that: The top of the mounting plate is fixedly connected with a first driving station and a second driving station for step-by-step dispensing and pressing of the chip, the surfaces of the first driving station and the second driving station are fixedly connected with a Z-axis driving mechanism for carrying and adjusting the position of the chip, and the surface of the Z-axis driving mechanism is provided with a positioning mechanism for positioning the chip; The Z-axis driving mechanism includes a working frame, a first mounting plate, a guide rail, a slider, and a second servo motor. The top of the working frame is fixedly connected to the first mounting plate, one side of the first mounting plate is fixedly connected to two sets of guide rails, the outer surface of the guide rail is slidably connected to the slider, the top of the working frame and one side of the slider is fixedly installed with a second servo motor, the output end of the second servo motor passes through the top of the working frame and extends to the inside of the working frame, the output end of the second servo motor is fixedly connected to the first pulley, the inside of the working frame is rotatably installed with a second screw shaft, the outer surface of the second screw shaft corresponds to the first pulley The cam is fixedly connected to the position of the second pulley, the outer surfaces of the first pulley and the second pulley are connected to each other through a driving belt, the outer surface of the second screw shaft is provided with a second screw sleeve adapted thereto, one side of the second screw sleeve is fixedly mounted on the inner wall of the slider, the top of the slider is fixedly connected to the second mounting plate, the top of the second mounting plate is fixedly connected to the first clamping plate and the second clamping plate, the opposite sides of the first clamping plate and the second clamping plate form a fixing groove for clamping the chip, the top of the second mounting plate is fixedly connected to the limiting frame, and one side of the limiting frame is fixedly connected to the positioning mechanism through the third mounting plate; The positioning mechanism includes a clamping cylinder, a first connecting rod, and a second connecting rod. The clamping cylinder is fixedly installed on one side of the third mounting plate. The output end of the clamping cylinder is fixedly connected to the first connecting rod. One end of the first connecting rod is fixedly connected to the second connecting rod. The top of the second connecting rod is fixedly connected to a clamping sheet. The surface of the clamping sheet is penetrated by a plurality of avoidance grooves. The bottom of the limiting frame is fixedly connected to the limiting sleeve, the bottom of the second connecting rod and the position corresponding to the limiting sleeve are fixedly connected to the limiting shaft, and the limiting shaft is inserted into the interior of the limiting sleeve.

2. A double-station glue spot alignment device according to claim 1, characterized in that: The X-axis driving mechanism includes an electric slide rail and an electric slider. The electric slide rail is arranged in two symmetrically distributed groups. The outer surface of the electric slide rail is provided with an electric slider adapted thereto. The tops of the two groups of electric sliders are fixedly connected with a mounting plate.

3. A double-station glue spot alignment device according to claim 2, characterized in that: The first driving station and the second driving station are arranged in parallel and have the same structure. The first driving station and the second driving station both include an installation frame, a mounting bracket and a first servo motor. The installation frame is fixedly installed on the top of the mounting plate, one side of the installation frame is fixedly connected to the mounting bracket, one side of the mounting bracket is fixedly installed with the first servo motor, the interior of the installation frame is rotatably connected with the first screw shaft, the output end of the first servo motor passes through the interior of the mounting bracket and is fixedly connected to the first screw shaft, the outer surface of the first screw shaft is provided with a first screw sleeve matched therewith, the top of the first screw sleeve is fixedly connected with a connecting block, and the bottom of the connecting block fits with the outer surface of the installation frame.

4. A double-station point glue alignment device according to claim 3, characterized in that: A limiting groove is provided on the top of the connection block, a limiting plate is fixedly connected to the top of the installation frame, and the bottom of the limiting plate is fitted with the bottom of the inner wall of the limiting groove.

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