An integrated circuit dispensing apparatus and flow control method

Abstract

The application relates to an integrated circuit dispensing device and a flow control method, and belongs to the technical field of integrated circuit processing. The device comprises a rack, a three-axis motion platform, an electric rotating table, a positioning frame, a dispensing valve mechanism, a shell, a long shaft, a spiral blade, a flow control mechanism, a first inclined support rod, a ring body, a stand, a dispersing long rod, a dispersing short rod, a crushing tooth, a first bevel gear, a second bevel gear and a dispensing nozzle. When dispensing, the long shaft drives the spiral blade to rotate and continuously push the glue downward, the stand rotates synchronously under the drive of the long shaft and drives the dispersing long rod to revolve, the second bevel gear at the end of the dispersing long rod is engaged with the first bevel gear on the stand to drive transmission, so that the dispersing long rod revolves around the axis of the dispersing long rod, the dispersing long rod, the dispersing short rod and the crushing tooth perform multi-stage shearing and crushing on the agglomerated particles and thixotropic lumps in the glue, the clogging material is prevented from accumulating at the dispensing nozzle, the glue outlet channel is kept unobstructed, and frequent stoppage for cleaning is not needed.

Description

Technical Field

[0001] This invention relates to the field of integrated circuit processing technology, and in particular to an integrated circuit dispensing device and flow control method. Background Technology

[0002] In the integrated circuit packaging process, dispensing devices are used to precisely apply high-viscosity fluids such as silver paste, red glue, and underfill adhesive to chip leads, substrate pads, or the edges of flip chips. Currently, the industry commonly uses spiral dispensing valves for adhesive supply. These valves have a long shaft with spiral blades mounted inside the housing. A motor drives the shaft to rotate, causing the spiral blades to continuously rotate and push the adhesive from the top of the housing to the dispensing nozzle at the bottom. This structure provides stable dispensing pressure and good dispensing continuity, making it widely used in conventional packaging dispensing.

[0003] However, adhesives used in integrated circuit packaging generally exhibit high thixotropy and often contain solid fillers such as silver powder and silicon micropowder. During long-cycle dispensing, the adhesive is subjected to shearing, extrusion, and temperature effects in the flow channel and near the dispensing nozzle for extended periods, easily leading to localized agglomeration, thixotropic clumping, or filler deposition. This causes localized blockages in the dispensing channel, resulting in reduced dispensing volume, dispensing trajectory breaks, or insufficient adhesive. When the blockage is forcibly pushed out by subsequent adhesive pressure, a sudden surge in adhesive volume and stringing can occur, severely impacting packaging quality. To mitigate the impact of blockages, the industry typically addresses this by shortening the duration of a single continuous dispensing cycle, increasing the frequency of downtime cleaning, or increasing the adhesive supply pressure. However, frequent cleaning interrupts the dispensing process, affecting production efficiency; increasing the adhesive supply pressure exacerbates adhesive shear heating, which in turn accelerates thixotropic aging and filler agglomeration in the flow channel, making it difficult to meet the requirements for dispensing stability in long-cycle continuous dispensing with high consistency. Summary of the Invention

[0004] Therefore, it is necessary to provide an integrated circuit dispensing device and flow control method to address the problem that during long-cycle dispensing of spiral dispensing valves, the glue may clog the dispensing channel due to thixotropic agglomeration or filler aggregation, resulting in fluctuating glue dispensing volume and dispensing line interruption. Furthermore, existing anti-clogging methods require frequent line shutdowns for cleaning or increased glue supply pressure, which further accelerates glue deterioration.

[0005] An integrated circuit dispensing device, comprising: The frame has a three-axis motion platform at its bottom, an electric rotary table is fixedly installed on the moving part of the three-axis motion platform, and a positioning frame is fixedly installed on the rotating part of the electric rotary table. A dispensing valve mechanism, comprising a housing, the housing being fixedly installed inside a positioning frame, and a long shaft being rotatably installed inside the lower end of the housing, the long shaft being provided with helical blades; A flow control mechanism includes several first inclined support rods, each of which is fixedly installed on a corresponding side of the inner wall of the housing. A ring is fixedly installed on one end of each of the first inclined support rods. A column is rotatably installed on the inner wall of the ring through a sealed bearing. Several dispersing rods are rotatably installed on the column. Sealing rings are fixedly installed on both sides of the inner wall of the ring, and the inner walls of the two sealing rings are respectively in contact with the column.

[0006] In one embodiment, the housing includes an upper outer shell and a lower outer shell, which are fixedly connected by a flange. Each of the first inclined support rods is fixedly connected at one end away from each other to the corresponding side of the inner wall of the lower outer shell. The lower end of the lower outer shell is integrally provided with a dotting nozzle.

[0007] In one embodiment, the upper surface of the base plate is provided with a flow guiding component, and each of the dispersing long rods is fixedly installed with several dispersing short rods.

[0008] In one embodiment, each of the break-up short rods is fixedly equipped with a number of breaking teeth.

[0009] In one embodiment, a plurality of second inclined support rods are fixedly installed on the inner wall of the lower outer shell near the dispensing nozzle. Each second inclined support rod has a support block fixedly installed on one end. A vertical rod is fixedly installed on the surface of the support block, and a plurality of first bevel gears are fixedly installed on the body of the vertical rod. Each column has a recessed hole at its lower end; Each of the disintegrating rods has one end extending into a recessed hole and is fixedly fitted with a second bevel gear, with each second bevel gear meshing with a corresponding first bevel gear.

[0010] In one embodiment, a connecting block is fixedly installed at the lower end of the long shaft, a hexagonal groove is formed in the middle of the lower surface of the connecting block, a hexagonal block is fixedly installed in the middle of the upper end of the column, a hexagonal sealing sleeve is provided on the inner wall of the hexagonal groove, and the hexagonal block and the hexagonal sealing sleeve are inserted and matched.

[0011] In one embodiment, the support block is configured as a sphere.

[0012] In one embodiment, a support ring is fixedly installed on the side of the pole body near the column. Two sealing rings of different diameters are fixedly installed on the upper surface of the support ring. Two annular sealing grooves of different diameters are opened on the lower surface of the column. The two annular sealing grooves are respectively inserted and engaged with the corresponding sealing rings.

[0013] A method for controlling the dispensing flow of an integrated circuit, the method comprising the following steps: S1. The operator controls the movement of the moving part of the three-axis motion platform to move the dispensing valve mechanism to the position above the dispensing station, and then controls the rotation of the electric rotary table to adjust the dispensing valve mechanism to the set dispensing angle. S2. The staff starts the motor. The motor output shaft is reduced in speed by the reducer and then drives the long shaft to rotate through the coupling. The long shaft drives the spiral blades to rotate synchronously, continuously pushing the glue from the top of the housing downwards, so that the glue enters the area where the flow control mechanism is located. S3. When the glue flows downward through the ring, it passes through the annular flow channel formed between the inner wall of the ring and the outer wall of the column. Since the column is rotatably installed inside the ring through a sealed bearing and both sides of the inner wall of the ring are equipped with sealing rings, the glue will not leak from both sides of the ring when passing through the annular flow channel, so that the glue flow rate enters the lower outer shell area stably. S4. The glue continues to flow downwards, passing through the gaps between several first inclined support rods, and in the process of flowing, it comes into contact with several dispersing rods that are rotatably installed on the column. Under the impact of the glue flow, the dispersing rods rotate around the column, breaking up any agglomerated particles or thixotropic clumps that may exist in the glue, restoring it to a uniform flow state, thereby preventing the glue from being blocked at the dispensing nozzle due to particle agglomeration. S5. The glue continues to flow downwards to the vicinity of the dispensing nozzle. When the column rotates, the column drives each dispersing rod to revolve synchronously through the concave hole at the lower end. At the same time, since a second bevel gear is fixedly installed at one end of each dispersing rod, each second bevel gear meshes with the corresponding first bevel gear fixedly installed on the column. The dispersing rod rotates around its own axis while revolving around the column. S6. When the long dispersing rod rotates, it drives the short dispersing rods and the breaking teeth fixedly installed on its rod to rotate synchronously. During the rotation, the breaking teeth further shear and break the tiny agglomerates remaining in the glue, thereby avoiding the deposition of tiny agglomerates inside the dispensing nozzle and maintaining a constant flow cross-sectional area of ​​the glue outlet channel. S7. After being sheared by the crushing teeth, the glue continues to flow downwards and is evenly discharged from the dispensing nozzle. Since there are no agglomerates in the glue dispensing channel, the amount of glue discharged from the dispensing nozzle per unit time remains basically constant, thereby achieving flow control of integrated circuit dispensing.

[0014] 1. In the above-mentioned integrated circuit dispensing device, the long shaft of the dispensing valve mechanism drives the spiral blades to rotate and continuously push the glue downward. The column of the flow control mechanism rotates synchronously under the drive of the long shaft. The column drives the dispersing rod to revolve around the inside of the ring body. At the same time, the second bevel gear at the end of the dispersing rod meshes with the first bevel gear on the column, so that the dispersing rod rotates around its own axis while revolving. The dispersing rod, the dispersing short rod and the breaking teeth generate a compound rotational shearing action when the glue passes through the annular flow channel, which disperses and breaks up the agglomerated particles and thixotropic lumps in the glue in multiple stages, preventing the accumulation of blockages at the dispensing nozzle. The glue outlet channel is always unobstructed, eliminating the need for frequent line stop cleaning and additional glue supply pressure. The single continuous dispensing time is extended, the dispensing efficiency is improved and the glue outlet stability is improved. 2. The first inclined support rod of the flow control mechanism fixes the ring body inside the housing. The ring body rotates with the column through the sealed bearing. The sealing ring and the sealed bearing together form an axial seal, so that the glue can only pass through the annular flow channel between the inner wall of the ring body and the outer wall of the column. After the glue passes through the multi-stage shearing of the dispersing rod, the dispersing rod and the crushing tooth, the agglomerates are gradually refined. The flow cross-sectional area of ​​the glue outlet channel remains constant, the glue amount discharged from the dispensing nozzle per unit time is stable, the glue dispensing trajectory is continuous, and the phenomenon of glue shortage and glue breakage is reduced. 3. The upper and lower housings of the dispensing valve mechanism are detachably connected by a flange. The lower end of the long shaft is engaged with the hexagonal block at the upper end of the column through a hexagonal groove. The hexagonal sealing sleeve eliminates radial clearance. The transmission chain achieves synchronous rotation of the long shaft and the column in a sealed state. The support block is spherical and the column forms a labyrinth seal between the support ring and the column. The gear meshing area is isolated from the glue. The transmission components operate stably, the device is easy to disassemble and maintain, the dispensing accuracy is well maintained, and the dispensing quality is improved. Attached Figure Description

[0015] To more clearly illustrate the technical solutions in this invention or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of this invention. For those skilled in the art, other drawings can be obtained from these drawings without creative effort.

[0016] Figure 1 This is a front view of the overall structure in this invention; Figure 2 This is a front view of the dispensing valve mechanism in this invention; Figure 3 This is a top view of the dispensing valve mechanism in this invention; Figure 4 In this invention Figure 3 Schematic diagram of the cross section at point AA; Figure 5This is a partial cutaway schematic diagram of the dispensing valve mechanism in this invention; Figure 6 for Figure 4 Enlarged view of point A in the middle; Figure 7 for Figure 5 Enlarged view of point B in the middle; Figure 8 for Figure 5 Enlarged view of point C in the middle; Figure 9 for Figure 5 Enlarged view at point D; Figure 10 for Figure 5 Enlarged view of point E in the middle.

[0017] Figure label: 100. Frame; 110. Three-axis motion platform; 120. Electric rotary table; 130. Positioning frame; 200. Dispensing valve mechanism; 210. Housing; 211. Upper outer shell; 212. Lower outer shell; 213. Flange; 214. Dispensing nozzle; 220. Long shaft; 230. Helical blade; 240. Motor; 250. Reducer; 260. Coupling; 300. Flow control mechanism; 310. First oblique support rod; 320. Ring body; 330. Sealed bearing; 340, column; 341, annular sealing groove; 350, long breaking rod; 351, short breaking rod; 352, breaking tooth; 360, sealing ring; 400, second inclined support rod; 410, support block; 420, column; 421, support ring; 422, sealing ring; 430, first bevel gear; 440, concave hole; 450, second bevel gear; 500, connecting block; 510, hexagonal groove; 520, hexagonal block; 530, hexagonal sealing sleeve. Detailed Implementation

[0018] To make the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0019] It should be noted that when a component is referred to as being "fixed to" or "set on" another component, it can be directly on the other component or there may be an intermediate component. When a component is considered to be "connected to" another component, it can be directly connected to the other component or there may be an intermediate component present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and similar expressions used in this specification are for illustrative purposes only and do not represent the only possible implementation.

[0020] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of that feature. In the description of this invention, "a plurality of" means at least two, such as two, three, etc., unless otherwise explicitly specified.

[0021] In this invention, unless otherwise explicitly specified and limited, "above" or "below" the second feature can mean that the first feature is in direct contact with the second feature, or that the first feature and the second feature are in indirect contact through an intermediate medium. Furthermore, "above," "over," and "on top" the second feature can mean that the first feature is directly above or diagonally above the second feature, or simply indicates that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature can mean that the first feature is directly below or diagonally below the second feature, or simply indicates that the first feature is at a lower horizontal level than the second feature.

[0022] Unless otherwise defined, all technical and scientific terms used in this specification have the same meaning as commonly understood by one of ordinary skill in the art to which this invention pertains. The terminology used in this specification is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The term "and / or" as used in this specification includes any and all combinations of one or more of the associated listed items.

[0023] The following is combined with Figures 1-10 The present invention describes the integrated circuit dispensing apparatus and flow control method.

[0024] In one embodiment, an integrated circuit dispensing apparatus includes: a frame 100, a dispensing valve mechanism 200, and a flow control mechanism 300.

[0025] The bottom of the frame 100 is provided with a three-axis motion platform 110, which is used to drive the dispensing valve mechanism 200 to move in three-dimensional space. The moving part of the three-axis motion platform 110 is fixedly installed with an electric rotary table 120, which is used to drive the dispensing valve mechanism 200 to rotate to adjust the dispensing angle. The rotating part of the electric rotary table 120 is fixedly installed with a positioning frame 130, which is used to fix the dispensing valve mechanism 200. The dispensing valve mechanism 200 includes a housing 210, which is fixedly installed inside the positioning frame 130. A long shaft 220 is rotatably mounted inside the housing 210 to drive a spiral blade 230 to rotate. The long shaft 220 is equipped with the spiral blade 230 to continuously push adhesive downwards from the top inside the housing 210. The housing 210 includes an upper outer shell 211 and a lower outer shell 212, which are fixedly connected by a flange 213, allowing for detachable assembly of the housing 210. The lower outer shell 212... An integrated dispensing nozzle 214 is provided at the end for the final discharge of adhesive. A motor 240 is fixedly mounted on the upper end of the upper housing 211 via a support, providing driving force for the rotation of the long shaft 220. A reducer 250 is provided on the inner wall of the upper housing 211 near the motor 240 to reduce the speed and increase the output torque. The output shaft of the motor 240 extends into the interior of the upper housing 211 and is fixedly connected to the input end of the reducer 250. The output end of the reducer 250 is fixedly connected to the long shaft 220 via a coupling 260 to compensate for installation errors and transmit power. The flow control mechanism 300 includes a plurality of first inclined support rods 310. Each first inclined support rod 310 is fixedly installed on a corresponding side of the inner wall of the housing 210 to provide support for the ring body 320. The ring body 320 is fixedly installed on one end of each first inclined support rod 310. A column 340 is rotatably installed on the inner wall of the ring body 320 through a sealing bearing 330, so that the column 340 can rotate stably within the ring body 320. A plurality of dispersing rods 350 are rotatably installed on the column body of the column 340 to disperse the agglomerated particles in the glue. Sealing rings 360 are fixedly installed on both sides of the inner wall of the ring body 320. The inner walls of the two sealing rings 360 are respectively attached to the column body of the column 340 to prevent glue from leaking from both sides of the ring body 320. Each of the dispersing long rods 350 is fixedly equipped with several dispersing short rods 351, which are used to further disperse the smaller particle size agglomerates in the glue; each of the dispersing short rods 351 is fixedly equipped with several crushing teeth 352, which are used to shear and crush the tiny agglomerates and thixotropic clumps in the glue. A plurality of second inclined support rods 400 are fixedly installed on the inner wall of the lower outer shell 212 near the dispensing nozzle 214. Each second inclined support rod 400 has a support block 410 fixedly installed at one end for fixing the upright rod 420. The support block 410 is spherical to reduce the flow resistance of the glue. The upright rod 420 is fixedly installed on the surface of the support block 410. A plurality of first bevel gears 430 are fixedly installed on the body of the upright rod 420 for meshing and transmission with the second bevel gears 450. The lower end of each column 340 is provided with a concave hole 440 for accommodating the end of the dispersing rod 350. One end of the body of each dispersing rod 350 extends into the concave hole 440 and is fixedly installed with a second bevel gear 450. Each second bevel gear 450 meshes with the corresponding first bevel gear 430, so that the dispersing rod 350 rotates around its own axis while revolving around the central axis. A connecting block 500 is fixedly installed at the lower end of the long shaft 220. A hexagonal groove 510 is provided in the middle of the lower surface of the connecting block 500. A hexagonal block 520 is fixedly installed in the middle of the upper end of the column 340. A hexagonal sealing sleeve 530 is provided on the inner wall of the hexagonal groove 510. The hexagonal block 520 and the hexagonal sealing sleeve 530 are inserted and matched to realize synchronous rotational transmission between the long shaft 220 and the column 340. A support ring 421 is fixedly installed on the side of the pole 420 near the column 340. Two sealing rings 422 of different diameters are fixedly installed on the upper surface of the support ring 421. Two annular sealing grooves 341 of different diameters are opened on the lower surface of the column 340. The two annular sealing grooves 341 are respectively inserted and engaged with the corresponding sealing rings 422 to form a labyrinth seal and prevent glue from entering the gear meshing area.

[0026] In this embodiment, during the dispensing operation, the three-axis motion platform 110 of the frame 100 drives the electric rotary table 120, the positioning frame 130, and the dispensing valve mechanism 200 to move to the dispensing station. The electric rotary table 120 drives the dispensing valve mechanism 200 to rotate to adjust the dispensing angle. Subsequently, the motor 240 of the dispensing valve mechanism 200 starts running. The output shaft of the motor 240 is reduced and increased in torque by the reducer 250 and then drives the long shaft 220 to rotate through the coupling 260. The long shaft 220 drives the spiral blade 230 to rotate and push the glue downward to the flow control mechanism 300. The glue enters the annular flow channel between the inner wall of the ring 320 and the outer wall of the column 340 through the gap between the first inclined support rods 310. When the glue passes through the annular flow channel, it impacts and disperses the long rod 350, causing it to rotate around the column 340. The dispersing long rod 350 initially disperses the agglomerated particles in the glue. While the column 340 rotates, the long shaft 220 engages with the hexagonal block 520 at the upper end of the column 340 through the hexagonal groove 510 of the connecting block 500, causing the column 340 to rotate synchronously. The column 340 drives each dispersing rod 350 to revolve. The second bevel gear 450 at the end of the dispersing rod 350 meshes with the first bevel gear 430 on the column 420, causing the dispersing rod 350 to rotate around its own axis while revolving. The rotational motion drives the dispersing short rod 351 and the breaking tooth 352 to generate a compound rotational shearing action, which shears and breaks up the tiny agglomerates and thixotropic lumps in the glue.

[0027] After being broken down, the glue continues to flow downwards, flowing smoothly along the spherical surface as it passes the spherical support block 410, avoiding the formation of dead zones. It is then evenly discharged from the dispensing nozzle 214. Since there are no agglomerates in the dispensing channel, the amount of glue discharged from the dispensing nozzle 214 per unit time remains basically stable, thereby achieving flow control for integrated circuit dispensing. The entire process can achieve anti-clogging and flow control through the coordinated operation of the mechanical structure, without the need for frequent line stop cleaning or additional glue supply pressure. This ensures dispensing stability while meeting the process requirements for long-cycle continuous dispensing.

[0028] A method for controlling the dispensing flow of an integrated circuit, the method comprising the following steps: S1. The operator controls the movement of the moving part of the three-axis motion platform 110 to move the dispensing valve mechanism 200 to the position above the dispensing station, and then controls the rotation of the rotating part of the electric rotary table 120 to adjust the dispensing valve mechanism 200 to the set dispensing angle. S2. The operator starts the motor 240. The output shaft of the motor 240 is reduced by the reducer 250 and then drives the long shaft 220 to rotate through the coupling 260. The long shaft 220 drives the spiral blade 230 to rotate synchronously, continuously pushing the glue from the top inside the housing 210 downwards, so that the glue enters the area where the flow control mechanism 300 is located. S3. When the glue flows downward through the ring 320, the glue passes through the annular flow channel formed between the inner wall of the ring 320 and the outer wall of the column 340. Since the column 340 is rotatably installed inside the ring 320 through the sealed bearing 330, and sealing rings 360 are provided on both sides of the inner wall of the ring 320, the glue will not leak from both sides of the ring 320 when passing through the annular flow channel, so that the glue flow rate enters the lower outer shell 212 area stably. S4. The glue continues to flow downward, passing through the gaps between several first inclined support rods 310, and in the process of flowing, it comes into contact with several dispersing rods 350 rotatably installed on the column 340. Under the impact of the glue flow, the dispersing rods 350 rotate around the column 340, breaking up any agglomerated particles or thixotropic clumps that may exist in the glue, restoring it to a uniform flow state, thereby preventing the glue from being blocked at the dispensing nozzle 214 due to particle agglomeration. S5. The glue continues to flow downwards to the vicinity of the dispensing nozzle 214. When the column 340 rotates, the column 340 drives each dispersing rod 350 to revolve synchronously through the lower end concave hole 440. At the same time, since a second bevel gear 450 is fixedly installed at one end of each dispersing rod 350, each second bevel gear 450 meshes with the corresponding first bevel gear 430 fixedly installed on the column 420. The dispersing rod 350 rotates around its own axis while revolving around the central axis. S6. When the long dispersing rod 350 rotates, it drives the short dispersing rods 351 and the breaking teeth 352 fixedly installed on its rod to rotate synchronously. During the rotation, the breaking teeth 352 further shear and break the tiny agglomerates remaining in the glue, thereby preventing the tiny agglomerates from depositing inside the glue nozzle 214 and maintaining a constant flow cross-sectional area of ​​the glue outlet channel. S7. After being sheared by the crushing tooth 352, the glue continues to flow downward and is evenly discharged from the dispensing nozzle 214. Since there is no agglomerate accumulation in the glue dispensing channel, the amount of glue discharged from the dispensing nozzle 214 per unit time remains basically constant, thereby realizing the flow control of integrated circuit dispensing.

[0029] It should be noted that, in the above description, the actual model of the three-axis motion platform 110 is the GSCX-200-200-200-BS ball screw linear module three-axis motion platform of GGII Transmission; the actual model of the electric rotary table 120 is the RAK100-200 high-precision electric rotary table of Zhuoli Hanguang; the actual model of the motor 240 is the STM57-060-03 stepper motor of Mingzhi; and the actual model of the reducer 250 is the PLE60-10 planetary reducer of Newcatel.

[0030] The technical features of the above embodiments can be combined in any way. For the sake of brevity, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0031] The embodiments described above are merely illustrative of several implementations of the present invention, and while the descriptions are specific and detailed, they should not be construed as limiting the scope of the invention. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of the present invention, and these modifications and improvements all fall within the scope of protection of the present invention. Therefore, the scope of protection of the present invention should be determined by the appended claims.

Claims

1. An integrated circuit dispensing device, characterized in that, include: A frame (100) is provided with a three-axis motion platform (110) at the bottom of the frame (100). An electric rotary table (120) is fixedly installed on the moving part of the three-axis motion platform (110), and a positioning frame (130) is fixedly installed on the rotating part of the electric rotary table (120). The dispensing valve mechanism (200) includes a housing (210), which is fixedly installed inside the positioning frame (130). A long shaft (220) is rotatably installed inside the lower end of the housing (210), and the long shaft (220) is provided with a spiral blade (230). A flow control mechanism (300) includes several first inclined support rods (310). Each first inclined support rod (310) is fixedly installed on a corresponding side of the inner wall of the housing (210). A ring body (320) is fixedly installed on one end of each first inclined support rod (310). A column (340) is rotatably installed on the inner wall of the ring body (320) through a sealed bearing (330). Several dispersing long rods (350) are rotatably installed on the column body (340). Sealing rings (360) are fixedly installed on both sides of the inner wall of the ring body (320). The inner walls of the two sealing rings (360) are respectively in contact with the column body (340).

2. The integrated circuit dispensing apparatus according to claim 1, characterized in that, The housing (210) includes an upper outer shell (211) and a lower outer shell (212). The upper outer shell (211) and the lower outer shell (212) are fixedly connected by a flange (213). Each of the first inclined support rods (310) is fixedly connected to the corresponding side of the inner wall of the lower outer shell (212) at one end away from each other. The lower outer shell (212) has an integrally provided dotting nozzle (214) at its lower end.

3. The integrated circuit dispensing apparatus according to claim 2, characterized in that, Each of the aforementioned disintegrating long poles (350) has several disintegrating short poles (351) fixedly installed on its shaft.

4. The integrated circuit dispensing apparatus according to claim 3, characterized in that, Each of the aforementioned break-up short rods (351) has several breaking teeth (352) fixedly installed on its shaft.

5. The integrated circuit dispensing apparatus according to claim 2, characterized in that, A plurality of second inclined support rods (400) are fixedly installed on the inner wall of the lower outer shell (212) near the dispensing nozzle (214). Each second inclined support rod (400) has a support block (410) fixedly installed on one end. A vertical rod (420) is fixedly installed on the surface of the support block (410). A plurality of first bevel gears (430) are fixedly installed on the body of the vertical rod (420). Each of the columns (340) has a recessed hole (440) at its lower end. Each of the dispersing rods (350) has one end extending into the recess (440) and is fixedly mounted with a second bevel gear (450), and each second bevel gear (450) meshes with the corresponding first bevel gear (430).

6. The integrated circuit dispensing apparatus according to claim 5, characterized in that, A connecting block (500) is fixedly installed at the lower end of the long shaft (220). A hexagonal groove (510) is provided in the middle of the lower surface of the connecting block (500). A hexagonal block (520) is fixedly installed in the middle of the upper end of the column (340). A hexagonal sealing sleeve (530) is provided on the inner wall of the hexagonal groove (510). The hexagonal block (520) and the hexagonal sealing sleeve (530) are inserted and matched.

7. The integrated circuit dispensing apparatus according to claim 5, characterized in that, The support block (410) is spherical.

8. The integrated circuit dispensing apparatus according to claim 7, characterized in that, A support ring (421) is fixedly installed on the side of the pole (420) near the column (340). Two sealing rings (422) of different diameters are fixedly installed on the upper surface of the support ring (421). Two annular sealing grooves (341) of different diameters are opened on the lower surface of the column (340). The two annular sealing grooves (341) are respectively inserted into the corresponding sealing rings (422).

9. The integrated circuit dispensing apparatus according to claim 2, characterized in that, The upper end of the upper outer shell (211) is fixedly mounted with a motor (240) via a support. A speed reducer (250) is provided on the inner wall of the upper housing (211) near the motor (240). The output shaft of the motor (240) extends into the upper housing (211) and is fixedly connected to the input end of the speed reducer (250). The output end of the speed reducer (250) is fixedly connected to the long shaft (220) through a coupling (260).

10. A method for controlling the dispensing flow rate of integrated circuits, characterized in that, The usage method includes the following steps: S1. The operator controls the movement of the moving part of the three-axis motion platform (110) to move the dispensing valve mechanism (200) to the position above the dispensing station, and then controls the rotation of the rotating part of the electric rotary table (120) to adjust the dispensing valve mechanism (200) to the set dispensing angle. S2. The staff starts the motor (240). The output shaft of the motor (240) is reduced by the reducer (250) and then drives the long shaft (220) to rotate through the coupling (260). The long shaft (220) drives the spiral blade (230) to rotate synchronously, pushing the glue from the top inside the housing (210) downwards, so that the glue enters the area where the flow control mechanism (300) is located. S3. When the glue flows downward through the ring (320), the glue passes through the annular flow channel formed between the inner wall of the ring (320) and the outer wall of the column (340). Since the column (340) is rotatably installed inside the ring (320) through the sealed bearing (330), and both sides of the inner wall of the ring (320) are provided with sealing rings (360), the glue will not leak from both sides of the ring (320) when passing through the annular flow channel, so that the glue flow rate enters the lower outer shell (212) area stably. S4. The glue continues to flow downward, passing through the gap between several first inclined support rods (310), and in the process of flowing, it comes into contact with several dispersing rods (350) rotatably installed on the column (340). The dispersing rods (350) rotate around the column (340) under the impact of the glue flow, and disperse any agglomerated particles or thixotropic lumps that may exist in the glue, so as to restore it to a uniform flow state, thereby preventing the glue from being blocked at the dispensing nozzle (214) due to particle agglomeration. S5. The glue continues to flow downwards to the vicinity of the dispensing nozzle (214). When the column (340) rotates, the column (340) drives each dispersing rod (350) to revolve synchronously through the lower end concave hole (440). At the same time, since each dispersing rod (350) has a second bevel gear (450) fixedly installed at one end of its body, each second bevel gear (450) meshes with the corresponding first bevel gear (430) fixedly installed on the column (420). The dispersing rod (350) also rotates around its own axis while revolving around the column. S6. When the dispersing rod (350) rotates, it drives the dispersing short rods (351) and the breaking teeth (352) fixedly installed on its rod to rotate synchronously. During the rotation, the breaking teeth (352) further shear and break the tiny agglomerates remaining in the glue, thereby avoiding the deposition of tiny agglomerates inside the glue nozzle (214) and maintaining a constant flow cross-sectional area of ​​the glue outlet channel. S7. After being sheared by the crushing teeth (352), the glue continues to flow downward and is evenly discharged from the dispensing nozzle (214). Since there are no agglomerates in the dispensing channel, the amount of glue discharged from the dispensing nozzle (214) per unit time remains basically constant, thereby realizing the flow control of integrated circuit dispensing.

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