Fully automatic paint spraying machine for chip packaging

Abstract

This application relates to the field of chip processing technology, specifically a fully automatic spray painting machine for chip packaging. The machine includes a main body, an electrical control box, and a spray painting box. The spray painting box is mounted on the top of the main body, and the electrical control box is mounted on the front end. A four-axis spraying mechanism is located on the top of the spray painting box, and a tray-feeding platform is located at the bottom of the spray painting box. The tray-feeding platform is mounted on a chip transfer mechanism. The tray-feeding platform includes a detachable base and a support rod. A feeding rack is mounted on the top of the support rod, and a rack slot is formed at the bottom of the feeding rack. A perforated plate, including a perforated frame and a detachable template, is rotatably mounted on the side wall of the spray painting box. The two sides of the perforated frame are connected to the side wall of the spray painting box via telescopic rods. An air shower is installed at the inlet end of the spray painting box, and a drying device is installed at the outlet end. This application improves the efficiency of repairing chip surface defects, reduces repair costs, and the spray painting machine is simple to operate and applicable to various chip products.

Description

Technical Field

[0001] The present application relates to the field of chip processing technology, and in particular to a fully automatic paint spraying machine for chip packaging. Background Art

[0002] A chip, also known as a microcircuit, microchip, or integrated circuit, refers to a silicon wafer containing an integrated circuit. It is very small and is often part of a computer or other electronic device. Insulating glue is sprayed on the surface of the chip, which mainly serves to make the chip waterproof, moisture-proof, humidity-proof, and mildew-proof.

[0003] At present, in the chip packaging industry, after the chip is finished, it is necessary to use a laser machine to mark the model. In this process, if there is an operational error or the font size is changed, it is impossible to mark directly. At present, the packaging industry can only repair poor fonts by manual drawing or silk screen printing, which has low repair efficiency and high repair cost. Summary of the invention

[0004] In order to overcome the problems existing in the prior art, the present application provides a fully automatic paint spraying machine for chip packaging.

[0005] The present application provides a fully automatic paint spraying machine for chip packaging that adopts the following technical solution:

[0006] A fully automatic paint spraying machine for chip packaging comprises a machine body, an electric control box and a paint spraying box, wherein the paint spraying box is mounted on the top of the machine body, and the electric control box is mounted on the front end of the machine body; a four-axis spraying mechanism is arranged on the top of the paint spraying box, and a whole tray discharging platform is arranged on the bottom of the paint spraying box, wherein the whole tray discharging platform comprises a detachable base and a support rod, a discharging rack is mounted on the top of the support rod, wherein a rack slot is arranged on the bottom of the discharging rack; a hollow plate is rotatably mounted on the side wall of the paint spraying box, comprising a hollow frame and a detachable template, wherein the two side surfaces of the hollow frame are connected to the side wall of the paint spraying box by telescopic rods; an air shower device is mounted on the inlet end of the paint spraying box, and a drying device is mounted on the outlet end of the paint spraying box.

[0007] By adopting the above technical solution, the paint box installed on the machine body is responsible for packaging chips with poor surface quality, and the electric control box installed at the front end of the machine body is responsible for the control and display of the entire paint sprayer. The electric control box is provided with buttons for controlling start and stop and an interactive display screen, which can intuitively display the working status of each working position. The paint box is installed on the top of the machine body. The paint box adjusts the spraying position through the four-axis spraying mechanism on the top. The whole tray discharge platform provided at the bottom of the paint box is placed on the chip transmission mechanism. The chip transmission mechanism adopts the material guide transmission method to move the whole tray discharge platform in the paint box in turn. First, the bases distributed at intervals on the whole tray discharge platform are connected to the discharge rack through support rods. A single chip or a whole tray of chips can be placed on the discharge rack, and sprayed by the four-axis spraying mechanism. The base of the whole tray unloading platform is fixedly installed on the chip transmission mechanism, the support rod is installed on the base, the top of the support rod is fixed by clamping with the center groove on the bottom surface of the unloading rack, and the hollow plate on the side wall of the spray paint box is connected by a telescopic rod and corresponds to the unloading rack, which can limit the chip when spraying paint to prevent excess paint from adhering to the unloading rack. The hollow plate adopts a combination of frame and template design, which is convenient for replacing the appropriate template according to different chips. The chip entering the spray paint box is air-showered at its inlet end to remove dust and impurities on the surface, and the chip that has completed painting is dried on the drying device at its outlet end, so as to reinforce the packaging layer and improve the efficiency of packaging reinforcement.

[0008] Preferably, a four-axis spraying mechanism is installed on the top of the paint spray box, including an X-axis drive device, a Y-axis drive device, a Z-axis drive device and a C-axis drive device. The Y-axis drive device is installed on the paint spray box and its power output end is connected to the power output end of the X-axis drive device to drive the X-axis drive device to move forward and backward. The Z-axis drive device is installed at the output end of the X-axis drive device and drives it to move left and right through the X-axis drive device. The C-axis drive device is installed at the power output end of the Z-axis drive device and drives it to move up and down through the Z-axis drive device.

[0009] Preferably, the paint spray head is installed at the power output end of the C-axis drive device and is driven by the C-axis drive device to rotate around the Z-axis direction, wherein the paint spray head is provided with four groups distributed in a ring, and the paint spray head is installed at the power output end of the four-axis spraying mechanism through a connecting block.

[0010] By adopting the above technical scheme, the four-axis spraying mechanism controls the movement of the paint spray head above the entire tray unloading platform to spray paint, and controls the rotation of the spray head forward and backward, left and right, up and down, and around the Z axis. The paint spray heads are arranged in four groups distributed in a ring, and the paint spray heads are installed and connected to the four-axis spraying mechanism through connecting blocks, so that the products can be sprayed on the spray heads in all directions.

[0011] Preferably, the base on the whole tray unloading platform is fixedly mounted on the chip transmission mechanism, the support rod is arranged in the center of the base, the bottom of the support rod is connected to the base by a thread, and the top block is engaged with the center groove of the unloading rack.

[0012] By adopting the above technical solution, the support rod is set in the center of the base, and the top of the support rod is connected to the central groove of the material discharge trough through a clamping block, which ensures the stability of the overall structure, and the material discharge rack for placing chips can be conveniently disassembled and loaded and unloaded.

[0013] Preferably, an annularly distributed groove is provided on the side wall of the support rod, wherein a screw rod is provided in the groove, and a wire sleeve is mounted on the screw rod, wherein the wire sleeve on the screw rod is integrally formed, and the outer edge of the wire sleeve is rotatably connected to a frame rod that is adapted to the bottom frame groove of the material discharge rack, wherein a horizontal limit plate is provided at the connection between the frame rod and the wire sleeve, and the end of the frame rod away from the support rod is connected to the top of the support rod through a tension spring.

[0014] By adopting the above technical solution, a screw rod is set in the groove on the side wall of the support rod, and the screw rod is annularly distributed in each groove. The wire sleeve set on the screw rod is a whole. The lifting and lowering of the wire sleeve is controlled by the rotation of the screw rod, thereby driving the lifting and lowering of the rack rod at the outer edge of the wire sleeve, and the tension spring connected to the top of the rack rod is stretched. In addition, the horizontal limit plate provided at the connection between the rack rod and the wire sleeve can prevent the rack rod from folding downward.

[0015] Preferably, a bevel gear is installed on the part of a screw rod in the side wall of the support rod near the bottom, and a reduction motor for driving the bevel gear is also installed on the base, wherein the angle between the bevel gear provided on the output shaft of the reduction motor and the bevel gear at the bottom of the screw rod is 90°.

[0016] By adopting the above technical solution, both ends of the screw rod on the side wall of the support frame are rotatably connected in the support frame, and the bevel gear installed on the part of the screw rod near the bottom is driven by the bevel gear on the output shaft of the reduction motor. The two form a stable transmission with an angle of 90 degrees, thereby realizing automatic adjustment of the position of the frame rod.

[0017] Preferably, there are limiting protrusions distributed in an annular manner around the top block of the support rod, and a bearing for rotationally connecting the end of the screw rod is provided on the limiting protrusion, and the thickness of the limiting protrusion is the same as the depth of the center groove, and the point where the tension spring is connected to the support rod is located at the bottom of the limiting protrusion.

[0018] By adopting the above technical solution, limiting protrusions are distributed in a ring around the top block of the support rod. The limiting protrusions are used to limit the anti-material rack and to be connected to the rotation of the top of the screw rod. The limiting protrusions are adapted to the center groove on the material rack, and the tension spring for connecting the rack rod and the support rod are connected to the outer wall of the limiting protrusion, so that the limiting rod can effectively support the material rack and prevent the material rack from tipping over during use.

[0019] Preferably, the drying device is arranged at the outlet of the paint spray box, including a heating hood, a "T"-shaped lifting frame is adopted on the top of the heating hood, and the two ends of the lifting frame are connected by a lifting cylinder. A heating block is provided on the inner top of the heating hood, wherein a blower is installed on the top of the heating block, and heat-conducting holes are evenly distributed on the bottom of the heating block, and a temperature sensor is installed on the inner side of the heating hood.

[0020] By adopting the above technical solution, the drying device is set at the exit of the paint spraying box, and the chips sprayed on the discharge rack are heated and cured by the lifting heating cover. The top of the lifting frame drives the lifting of the "T"-shaped lifting frame through the lifting cylinders on both sides. The lifting equipment is not easily affected by the heating equipment, and the lifting balance on both sides has a good balancing effect. The heating cover body is heated by the heating block, and then the heat is reduced by the blower on the top of the heating block and transported to the heating cover through the heat-conducting holes to heat and cure the paint on the chip surface. The temperature sensor set on the inner side of the heating cover can monitor the temperature inside the heating cover in real time, and feedback to the electric control box for display, so as to adjust the heating power of the heating block in time.

[0021] Preferably, the heating cover comprises a top plate and an annular cover body, the annular cover body is detachably connected to the outer side wall of the top plate, and the top plate and the annular cover body are connected by thermal insulation silicone.

[0022] By adopting the above technical scheme, the heating hood is designed with a split top plate and an annular hood body, so that the annular hood body is easily damaged after long-term use. The purpose of the split design is to facilitate the replacement of the annular hood body without having to replace the top plate provided with the heating part, which effectively saves costs. The top plate and the annular hood body are connected by thermal insulating silicone, which effectively avoids heat loss and reduces heating energy consumption.

[0023] Preferably, an exhaust mechanism is provided on the side of the paint spray box, including an exhaust fan that passes through the side wall of the paint spray box, an activated carbon filter is provided on the outside of the exhaust fan, and a vertically upward exhaust duct is also provided at the outlet of the exhaust fan.

[0024] By adopting the above technical solution, an exhaust fan is used on the side of the paint spray box to discharge the harmful gas in the paint spray box, and the harmful gas is filtered out and discharged through the activated carbon filter on the outside. The externally connected exhaust pipe is vertically upward, which can discharge the filtered gas from a high place, avoiding the remaining polluted gas in the air from causing damage to the health of the operator.

[0025] In summary, the present application includes at least one of the following beneficial technical effects:

[0026] 1. The four-axis spraying mechanism in the paint spraying box controls the spraying head to move above the whole tray unloading platform to spray paint, and controls the spraying head to rotate forward and backward, left and right, up and down, and around the Z axis. The spraying head adopts four groups distributed in a ring, and the spraying head is installed and connected with the four-axis spraying mechanism through a connecting block, so that the product can be sprayed in all directions on the spraying head;

[0027] 2. The unloading rack in the whole tray unloading platform is fixed by the bottom card slot and the support rod on the base, and the rack rod connected on the side wall of the support rod supports the unloading rack. The hollow plate connected by the telescopic rod on the side wall of the paint spray box corresponds to the unloading rack, which can limit and block the chips and reinforce the unloading rack during painting, thereby improving the quality and efficiency of painting;

[0028] 3. Fully automatic packaging repair is used to repair chips with poor font packaging. Eggshell operation or whole plate operation can be selected. The repair efficiency is high and the repair cost is low. The surface defects caused in the production process are perfectly repaired. The operation is simple and can be applied to a variety of chip products. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] Figure 1 It is a schematic diagram of the overall structure of the chip packaging with a fully automatic paint spraying machine removing the side frame;

[0030] Figure 2 It is a schematic diagram of the overall structure of chip packaging using a fully automatic paint spraying machine to remove the external frame;

[0031] Figure 3 It is a schematic diagram of the overall structure of the bottom side of the chip packaging after the side frame is removed by the fully automatic paint spraying machine;

[0032] Figure 4 yes Figure 3 Schematic diagram at A in the middle;

[0033] Figure 5 yes Figure 3 Schematic diagram at point B in the middle;

[0034] Figure 6 It is a longitudinal cross-sectional view of a heating hood in a fully automatic paint spraying machine for chip packaging;

[0035] Figure 7 It is a cross-sectional view of the connection structure between the support rod and the material rack in the fully automatic paint spraying machine for chip packaging.

[0036] Description of the accompanying drawings: 1. Machine body; 2. Electric control box; 3. Paint spraying box; 31. Hollow plate; 311. Hollow frame; 312. Template; 313. Telescopic rod; 32. Exhaust mechanism; 321. Exhaust fan; 322. Activated carbon filter; 323. Exhaust duct; 4. Four-axis spraying mechanism; 41. X-axis driving device; 42. Y-axis driving device; 43. Z-axis driving device; 44. C-axis driving device; 45. Paint spraying head; 46. Connecting block; 5. Whole tray unloading platform; 51. Base; 52. Support rod; 521. Block; 5211. Limiting protrusion; 522. Groove; 523. Screw rod; 5231. Bevel gear; 524. Sleeve; 525. Rack rod; 526. Horizontal limiting plate; 527. Tension spring; 53. Unloading rack; 531. Center groove; 54. Rack groove; 6. Air shower device; 7. Drying device; 71. Heating cover; 711. Top plate; 712. Annular cover body; 713. Lifting frame; 72. Heating block; 73. Temperature sensor; 74. Blower; 75. Heat-conducting holes; 8. Chip transmission mechanism. DETAILED DESCRIPTION

[0037] The following is combined with Figure 1-7 This application is described in further detail.

[0038] The embodiment of the present application discloses a fully automatic paint spraying machine for chip packaging.

[0039] Reference Figure 1-Figure 7A fully automatic paint spraying machine for chip packaging comprises a machine body 1, an electric control box 2 and a paint spraying box 3, wherein the paint spraying box 3 is mounted on the top of the machine body 1, and the electric control box 2 is mounted on the front end of the machine body 1; a four-axis spraying mechanism 4 is arranged on the top of the paint spraying box 3, a whole tray discharging platform 5 is arranged on the bottom of the paint spraying box 3, and the whole tray discharging platform 5 is mounted on a chip transmission mechanism 8, wherein the whole tray discharging platform 5 comprises a detachable base 51 and a support rod 52, a discharging rack 53 is mounted on the top of the support rod 52, wherein a rack slot 54 is provided on the bottom of the discharging rack 53; a hollow plate 31 is rotatably mounted on the side wall of the paint spraying box 3, comprising a hollow frame 311 and a detachable template 312, wherein the two side surfaces of the hollow frame 311 are connected to the side wall of the paint spraying box 3 through a telescopic rod 313; an air shower device 6 is installed at the inlet end of the paint spraying box 3, and a drying device 7 is installed at the outlet end of the paint spraying box 3. The paint box 3 installed on the machine body 1 is responsible for packaging chips with poor surface quality. The electric control box 2 installed at the front end of the machine body 1 is responsible for the control and display of the entire paint spraying machine. The electric control box 2 is provided with buttons for controlling start and stop and an interactive display screen, which can intuitively display the working status of each working position. The paint box 3 is installed on the top of the machine body 1. The paint box 3 adjusts the spraying position through the four-axis spraying mechanism 4 on the top. The whole tray discharge platform 5 provided at the bottom of the paint box 3 is placed on the chip transmission mechanism 8. The chip transmission mechanism 8 adopts the material guide transmission method to move the whole tray discharge platform 5 in the paint box 3 in sequence. First, the bases 51 distributed at intervals on the whole tray discharge platform 5 are connected to the discharge rack 53 through the support rod 52. A single chip or a whole tray of chips can be placed on the discharge rack 53, and sprayed by the four-axis spraying mechanism 4. The base 51 in the whole tray discharge platform 5 is fixedly mounted on the chip transmission mechanism 8, the support rod 52 is mounted on the base 51, the top of the support rod 52 is fixed by clamping with the central groove 531 on the bottom surface of the discharge rack 53, and the hollow plate 31 on the side wall of the spray paint box 3 is rotatably connected by the telescopic rod 313 and corresponds to the discharge rack 53, which can limit and block the chip during painting to prevent excess paint from adhering to the discharge rack 53. The hollow plate 31 adopts a combination of a frame and a template 312, which is convenient for replacing the template 312 according to different chips. The chip entering the spray paint box 3 is air-showered at its inlet end to remove dust and impurities on the surface, and the chip that has completed the painting is dried on the drying device 7 at its outlet end, thereby reinforcing the packaging layer and improving the packaging reinforcement efficiency.

[0040] Reference Figure 1 , Figure 2 and Figure 3The four-axis spraying mechanism 4 is installed on the top of the spraying box 3, and includes an X-axis driving device 41, a Y-axis driving device 42, a Z-axis driving device 43 and a C-axis driving device 44. The Y-axis driving device 42 is installed on the spraying box 3 and its power output end is connected to the power output end of the X-axis driving device 41 to drive the X-axis driving device 41 to move forward and backward. The Z-axis driving device 43 is installed at the output end of the X-axis driving device 41 and drives it to move left and right through the X-axis driving device 41. The C-axis driving device 44 is installed at the power output end of the Z-axis driving device 43 and drives it to move up and down through the Z-axis driving device 43. The spray head 45 is installed at the power output end of the C-axis driving device 44 and is driven by the C-axis driving device 44 to rotate around the Z-axis direction, wherein the spray head 45 is provided with four groups distributed in an annular manner, and the spray head 45 is installed at the power output end of the four-axis spraying mechanism 4 through a connecting block 46. The four-axis spraying mechanism 4 controls the paint head 45 to move above the whole tray discharge platform 5 to spray paint, and controls the spray head to rotate forward and backward, left and right, up and down, and around the Z axis. The paint spray head 45 adopts four groups distributed in a ring, and the paint spray head 45 is installed and connected to the four-axis spraying mechanism 4 through a connecting block 46, so that the product can be sprayed in all directions on the spray head.

[0041] Reference Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 and Figure 7 The base 51 on the whole tray unloading platform 5 is fixedly mounted on the chip transmission mechanism 8, the support rod 52 is arranged in the center of the base 51, the bottom of the support rod 52 is connected to the base 51 by threads, and the clamping block 521 on the top is clamped with the central groove 531 of the unloading rack 53. The support rod 52 is arranged in the center of the base 51, and the top of the support rod 52 is clamped with the central groove 531 of the unloading groove by the clamping block 521, which ensures the stability of the overall structure, and the unloading rack 53 for placing chips can be conveniently disassembled and loaded and unloaded.

[0042] Reference Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 and Figure 7A circular groove 522 is provided on the side wall of the support rod 52, wherein a screw rod 523 is provided in the groove 522, and a wire sleeve 524 is mounted on the screw rod 523, wherein the wire sleeve 524 on the screw rod 523 is integrally formed, and the outer edge of the wire sleeve 524 is rotatably connected to a rack rod 525 adapted to the bottom rack groove 54 of the material discharge rack 53, wherein a horizontal limit plate 526 is provided at the connection between the rack rod 525 and the wire sleeve 524, and the end of the rack rod 525 away from the support rod 52 is connected to the top of the support rod 52 through a tension spring 527. The grooves 522 on the side wall of the support rod 52 are provided with screw rods 523, which are annularly distributed in each groove 522. The wire sleeves 524 mounted on the screw rods 523 are a whole. The lifting and lowering of the wire sleeves 524 are controlled by the rotation of the screw rods 523, thereby driving the lifting and lowering of the frame rod 525 on the outer edge of the wire sleeves 524, and the tension spring 527 connected to the top of the frame rod 525 is stretched. In addition, the horizontal limit plate 526 provided at the connection between the frame rod 525 and the wire sleeves 524 can prevent the frame rod 525 from folding downward.

[0043] Reference Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 and Figure 7 A bevel gear 5231 is installed near the bottom of a screw rod 523 in the side wall of the support rod 52, and a reduction motor for driving the bevel gear 5231 is also installed on the base 51, wherein the angle between the bevel gear 5231 provided on the output shaft of the reduction motor and the bevel gear 5231 at the bottom of the screw rod 523 is 90°. Both ends of the screw rod 523 on the side wall of the support frame are rotatably connected in the support frame, and the bevel gear 5231 installed near the bottom of the screw rod 523 is driven by the bevel gear 5231 on the output shaft of the reduction motor, and the two are stably transmitted at an angle of 90 degrees, thereby realizing the automatic adjustment of the position of the frame rod 525.

[0044] Reference Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 and Figure 7, the top block 521 of the support rod 52 is provided with a limiting protrusion 5211 in an annular manner, and a bearing for rotationally connecting the end of the screw rod 523 is arranged on the limiting protrusion 5211, and the thickness of the limiting protrusion 5211 is the same as the depth of the center groove 531, and the point where the tension spring 527 is connected to the support rod 52 is located at the bottom of the limiting protrusion 5211. The top block 521 of the support rod 52 is provided with a limiting protrusion 5211 in an annular manner, and the limiting protrusion 5211 is used to limit the anti-material rack and to be connected to the rotation of the top of the screw rod 523, and the limiting protrusion 5211 is adapted to the center groove 531 on the material rack 53, and the tension spring 527 for connecting the rack rod 525 is connected to the support rod 52 on the outer wall of the limiting protrusion 5211, so that the limiting rod can effectively support the material rack 53 and prevent the material rack 53 from tipping over during use.

[0045] Reference Figure 1 , Figure 2 , Figure 3 and Figure 6 The drying device 7 is arranged at the exit of the paint spraying box 3, and includes a heating cover 71. The top of the heating cover 71 adopts a "T"-shaped lifting frame 713. The two ends of the lifting frame 713 are connected by a lifting cylinder. A heating block 72 is arranged at the inner top of the heating cover 71, wherein a blower 74 is installed at the top of the heating block 72, and heat-conducting holes 75 are evenly distributed at the bottom of the heating block 72. A temperature sensor 73 is installed on the inner side of the heating cover 71. The drying device 7 is arranged at the exit of the paint spraying box 3. The chips sprayed on the discharge rack 53 are heated and cured by the lifting heating cover 71. The top of the lifting frame 713 drives the lifting of the "T"-shaped lifting frame 713 through the lifting cylinders on both sides. The lifting device is not easily affected by the heating device, and the lifting balance on both sides has a good balancing effect. The heating cover 71 is heated by the heating block 72, and then the heat is reduced by the blower 74 on the top of the heating block 72 and transported to the heating cover 71 through the heat-conducting holes 75 to heat and cure the paint on the surface of the chip. The temperature sensor 73 arranged on the inner side of the heating cover 71 can monitor the temperature inside the heating cover 71 in real time, and feed it back to the electric control box 2 for display, so as to adjust the heating power of the heating block 72 in time.

[0046] Reference Figure 1 , Figure 2 , Figure 3 and Figure 6The heating cover 71 includes a top plate 711 and an annular cover body 712. The annular cover body 712 is detachably connected to the outer wall of the top plate 711, and the top plate 711 and the annular cover body 712 are connected by heat-insulating silicone. The heating cover 71 is designed to be split into a top plate 711 and annular cover body 712, so that the annular cover body 712 is easily damaged after long-term use. The purpose of the split design is to facilitate the replacement of the annular cover body 712 without having to replace it together with the top plate 711 provided with the heating part, which effectively saves costs. In addition, the top plate 711 and the annular cover body 712 are connected by heat-insulating silicone, which effectively avoids heat loss and reduces heating energy consumption.

[0047] Reference Figure 1 , Figure 2 and Figure 3 The side of the paint spray box 3 is provided with an exhaust mechanism 32, including an exhaust fan 321 that penetrates the side wall of the paint spray box 3, an activated carbon filter 322 is provided on the outside of the exhaust fan 321, and a vertically upward exhaust pipe 323 is also provided at the outlet of the exhaust fan 321. The exhaust fan 321 is used on the side of the paint spray box 3 to guide the harmful gas in the paint spray box 3, and the harmful gas is filtered out and discharged through the activated carbon filter 322 on the outside. The externally connected exhaust pipe 323 is vertically upward, and the filtered gas can be discharged from a high place to avoid the remaining polluted gas in the air from causing damage to the health of the operator.

[0048] Working principle: At the beginning of operation, adjust the ink or paint according to the formula ratio and place it in the extraction device, which is connected to the spray head 45 in the four-axis spraying mechanism 4. First, the support rod 52 is threadedly fixed on the base 51, and the central groove 531 at the bottom of the material rack 53 is engaged with the block 521 at the top of the support rod 52, and a number of chips are placed on the material rack 53. Turn on the equipment on the motor box, and the chip transmission mechanism 8 drives the entire tray of the material rack 53 from the outside to enter the paint spray box 3, and first passes through the air shower device 6 to blow away the dust and impurities on the surface of the chip. Then enter the main body of the paint spraying box 3, the hollow plate 31 is attached to the material discharging rack 53 through the action of the telescopic rod 313, and the driving motor on the base 51 drives the screw rod 523 to rotate, and the screw rod 523 rotates to act on the wire sleeve 524, driving the wire sleeve 524 to rise, so that one end of the rack rod 525 is abutted against the rack groove 54 at the bottom of the material discharging rack 53, thereby fixing the material discharging rack 53 and limiting the paint spraying surface of the surface chip. Then turn on the exhaust fan 321 in the exhaust mechanism 32, and at this time, the paint spraying head 45 is adjusted to a suitable point under the control of the four-axis spraying mechanism 4 to spray paint on the chip surface. After the painting is completed, the hollow plate 31 and the bottom frame are removed, and the discharge rack 53 is transferred to the drying device 7 for drying along with the chip transmission mechanism 8. The drying hood wraps the discharge rack 53 by descending to the annular cover body 712, and the heating block 72 and the blower 74 are started to cure the packaged chips in the annular cover body 712. After the curing is completed, the drying device 7 rises, and the discharge rack 53 is guided out of the paint box 3 along with the chip transmission mechanism 8.

[0049] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A fully automatic paint spraying machine for chip packaging, comprising a machine body (1), an electric control box (2) and a paint spraying box (3), characterized in that: The paint spray box (3) is mounted on the top of the machine body (1), and the electric control box (2) is mounted on the front end of the machine body (1); a four-axis spraying mechanism (4) is provided on the top of the paint spray box (3), and a whole tray discharge platform (5) is provided on the bottom of the paint spray box (3); the whole tray discharge platform (5) is mounted on the chip transmission mechanism (8), wherein the whole tray discharge platform (5) comprises a detachable base (51) and a support rod (52), and a discharge mechanism (54) is installed on the top of the support rod (52). A rack (53), wherein a rack slot (54) is provided at the bottom of the material discharging rack (53); a hollow plate (31) is rotatably mounted on the side wall of the paint spray box (3), comprising a hollow frame (311) and a detachable template (312), wherein the two side surfaces of the hollow frame (311) are connected to the side wall of the paint spray box (3) via a telescopic rod (313); an air shower device (6) is installed at the inlet end of the paint spray box (3), and a drying device (7) is installed at the outlet end of the paint spray box (3); The base (51) on the whole tray unloading platform (5) is fixedly mounted on the chip transmission mechanism (8), the support rod (52) is arranged at the center of the base (51), the bottom of the support rod (52) is connected to the base (51) by a thread, and the clamping block (521) on the top is clamped to the central groove (531) of the unloading frame (53); A groove (522) distributed in an annular pattern is provided on the side wall of the support rod (52), wherein a screw rod (523) is provided in the groove (522), and a threaded sleeve (524) is sleeved on the screw rod (523), wherein the threaded sleeve (524) on the screw rod (523) is integrally formed, and the outer edge of the threaded sleeve (524) is rotatably connected to a frame rod (525) adapted to a frame groove (54) at the bottom of the material discharging frame (53), wherein a horizontal limit plate (526) is provided at the connection between the frame rod (525) and the threaded sleeve (524), and one end of the frame rod (525) away from the support rod (52) is connected to the top of the support rod (52) via a tension spring (527).

2. The fully automatic paint spraying machine for chip packaging according to claim 1 is characterized in that: The four-axis spraying mechanism (4) is installed on the top of the paint spraying box (3), and comprises an X-axis driving device (41), a Y-axis driving device (42), a Z-axis driving device (43) and a C-axis driving device (44); the Y-axis driving device (42) is installed on the paint spraying box (3) and its power output end is connected to the power output end of the X-axis driving device (41) for driving the X-axis driving device (41) to move forward and backward; the Z-axis driving device (43) is installed on the output end of the X-axis driving device (41) and is driven to move left and right through the X-axis driving device (41); and the C-axis driving device (44) is installed on the power output end of the Z-axis driving device (43) and is driven to move up and down through the Z-axis driving device (43).

3. The fully automatic paint spraying machine for chip packaging according to claim 2 is characterized in that: The paint spray head (45) is mounted on the power output end of the C-axis driving device (44) and is driven by the C-axis driving device (44) to rotate around the Z-axis direction, wherein the paint spray head (45) is provided with four groups distributed in an annular manner, and the paint spray head (45) is mounted on the power output end of the four-axis spraying mechanism (4) through a connecting block (46).

4. The fully automatic paint spraying machine for chip packaging according to claim 1 is characterized in that: A bevel gear (5231) is installed at a portion close to the bottom of a screw rod (523) in the side wall of the support rod (52), and a reduction motor for driving the bevel gear (5231) is also installed on the base (51), wherein the angle between the bevel gear (5231) provided on the output shaft of the reduction motor and the bevel gear (5231) at the bottom of the screw rod (523) is 90°.

5. The fully automatic paint spraying machine for chip packaging according to claim 4 is characterized in that: A limiting protrusion (5211) is distributed in an annular manner around the top block (521) of the support rod (52), and a bearing is provided on the limiting protrusion (5211) to which the end of the screw rod (523) is rotatably connected, and the thickness of the limiting protrusion (5211) is the same as the depth of the central groove (531), and the point where the tension spring (527) is connected to the support rod (52) is located at the bottom of the limiting protrusion (5211).

6. The fully automatic paint spraying machine for chip packaging according to claim 1 is characterized in that: The drying device (7) is arranged at the outlet of the paint spray box (3), and comprises a heating hood (71). The top of the heating hood (71) adopts a "T"-shaped lifting frame (713), and the two ends of the lifting frame (713) are connected by a lifting cylinder. The inner top of the heating hood (71) is provided with a heating block (72), wherein a blower (74) is installed on the top of the heating block (72), and heat-conducting small holes (75) are evenly distributed on the bottom of the heating block (72). A temperature sensor (73) is installed on the inner side surface of the heating hood (71).

7. The fully automatic paint spraying machine for chip packaging according to claim 6 is characterized in that: The heating cover (71) comprises a top plate (711) and an annular cover body (712); the annular cover body (712) is detachably connected to an outer side wall of the top plate (711); and the top plate (711) and the annular cover body (712) are connected via heat-insulating silica gel.

8. The fully automatic paint spraying machine for chip packaging according to claim 1 is characterized in that: An exhaust mechanism (32) is provided on the side of the paint spray box (3), comprising an exhaust fan (321) penetrating the side wall of the paint spray box (3), an activated carbon filter (322) is provided on the outside of the exhaust fan (321), and a vertically upward exhaust duct (323) is also provided at the outlet of the exhaust fan (321).

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