Pretreatment device for chip detection

The preprocessing device addresses the issue of static electricity and dust on chip surfaces by using a static eliminator and cleaning unit with a soft brush and negative pressure system, improving detection accuracy by ensuring chips are clean and free from contaminants.

CN222280671UActive Publication Date: 2024-12-31YANHUANG GUOXIN (YANCHENG) TECH CO LTD
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Patent Information

Application Number
CN202420776788.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-04-16
Publication Date
2024-12-31
Estimated Expiration
2034-04-16

AI Technical Summary

Technical Problem

Existing chip detection preprocessing devices lack effective means to remove static electricity and dust/impurities from chip surfaces, which affect subsequent detection accuracy.

Method used

A preprocessing device equipped with a static eliminator, cleaning unit, and negative pressure system to remove static electricity and dust, featuring adjustable height, a cleaning soft brush, and dust filtration to ensure thorough cleaning and prevent dust dispersion.

Benefits of technology

Effectively removes static electricity and dust from chip surfaces, enhancing detection accuracy by ensuring chips are free from contaminants before further processing.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a pretreatment device for chip detection, which relates to the technical field of chip detection and comprises a cabinet body and an electrostatic eliminator. Cabinet doors are hinged to the two ends of the front side face of the cabinet body, a conveyor is fixed to the top face of the cabinet body, a fixing frame is connected to the right end of the side face of the conveyor, a screw hole in the top face of the fixing frame is in threaded connection with a screw rod, the bottom end of the screw rod is rotationally connected with the middle of the top face of an adjusting frame, and the adjusting frame is slidably connected with an adjusting groove in the fixing frame. The static electricity eliminator is clamped in the adjusting frame, and a cleaning unit is arranged at the left end of the side face of the conveyor. According to the pretreatment device for chip detection, static electricity on the surface of a chip can be removed by adopting the static electricity eliminator, dust and impurities on the surface of the chip can be removed by arranging the cleaning banister brush, and meanwhile, the dust falling during cleaning is adsorbed by the negative pressure fan so as to prevent the dust from drifting around.
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Description

Technical Field

[0001] The utility model relates to the technical field of chip detection, in particular to a preprocessing device for chip detection. Background Art

[0002] Chip, also known as microcircuit, microchip, integrated circuit, refers to a silicon chip containing an integrated circuit, which is very small and often a part of a computer or other electronic device. A pre-processing device is required before the chip is tested;

[0003] Patent announcement number CN217739394U discloses a pre-processing device for receiving chip detection, including: a pre-processing box, a static electricity removal device, and a chip storage box; the pre-processing box is provided with a processing chamber inside, and the upper end surface of the pre-processing box is provided with a plurality of through grooves connected with the processing chamber; the static electricity removal device includes a plurality of air pipe joints installed in the through grooves, and a plurality of static electricity removal nozzles are installed at one end of the air pipe joints extending into the through grooves, and the plurality of air pipe joints are connected by a plurality of connecting pipes, and the right end of the air pipe joint is connected to an air source pipe; the upper end surface of the chip storage box is provided with a plurality of inwardly recessed placement grooves, and the lower ends of the plurality of placement grooves are provided with through grooves that penetrate the lower end surface of the chip storage box;

[0004] The existing chip detection preprocessing device only has a simple static elimination function during use, and the dust and smaller particle impurities on the chip surface are inconvenient to clean, which will affect the effect of subsequent detection. Therefore, we propose a chip detection preprocessing device. Utility Model Content

[0005] The technical problem to be solved by the utility model is to overcome the existing defects and provide a pretreatment device for chip detection. The static electricity on the surface of the chip can be removed by an static eliminator, and the provided cleaning soft brush can remove dust and impurities on the surface of the chip. At the same time, the negative pressure fan can absorb the fallen dust to prevent the dust from flying around, which can effectively solve the problems in the background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a pre-processing device for chip detection, comprising a cabinet and an electrostatic eliminator;

[0007] Cabinet: Both ends of the front side are hinged with cabinet doors, a conveyor is fixed on the top surface of the cabinet, a fixing frame is connected to the right end of the side of the conveyor, the top screw hole of the fixing frame is threadedly connected to the screw, the bottom end of the screw is rotatably connected to the middle of the top surface of the adjustment frame, the adjustment frame is slidably connected to the adjustment slot inside the fixing frame, the static eliminator is clamped inside the adjustment frame, and a cleaning unit is provided at the left end of the side of the conveyor;

[0008] It also includes a controller, which is arranged on the front side of the top surface of the cabinet. The input ends of the conveyor and the static eliminator are electrically connected to the output end of the controller, and the input end of the controller is electrically connected to the output end of an external power supply.

[0009] The height of the static eliminator is adjusted by turning the screw to raise and lower the adjustment frame, and the conveyor is started to transport the chips. The static eliminator removes the static electricity on the surface of the chip to prevent static electricity from affecting subsequent chip detection. The interior of the cabinet is convenient for storing items.

[0010] Furthermore, the cleaning unit includes a fixed shell, a linear motor, a placement rack, bolts and a cleaning soft brush. The fixed shell is installed at the left end of the side of the conveyor, and the linear motors are fixed in pairs inside the fixed shell. The inner side surface of the linear motor mover seat is connected to the end of the placement rack. A cleaning soft brush is placed inside the placement rack. The screw hole on the top surface of the placement rack is threadedly connected to the bolt. The input end of the linear motor is electrically connected to the output end of the controller. Starting the linear motor makes the cleaning soft brush fit against the surface of the chip, thereby cleaning impurities adhered to the surface of the chip. At the same time, the bolts facilitate the disassembly and assembly of the cleaning soft brush inside the placement rack.

[0011] Furthermore, the cleaning unit also includes a dust filter, a negative pressure fan, a dust box and a dust suction pipe. The dust box is fixed on the top surface of the fixed shell. There are two dust suction pipes and they are respectively installed on the front and rear side surfaces inside the fixed shell. The air inlet of the dust box is connected to the air outlet pipe of the dust suction pipe. Dust filters are inserted in the through grooves on both sides of the top surface of the dust box. The negative pressure fan is installed in the middle of the top surface of the dust box. The input end of the negative pressure fan is electrically connected to the output end of the controller. Starting the negative pressure fan and cooperating with the dust filter can absorb the dust that falls after cleaning to prevent dust from flying around and affecting the chip cleaning effect.

[0012] Furthermore, the cleaning unit also includes a frame and a cleaning fan. The frame has two top surfaces fixed inside the fixed shell in front and back correspondence. A cleaning fan is placed inside the frame. The input end of the cleaning fan is electrically connected to the output end of the controller. The cleaning fan inside the frame can blow off dust on the surface of the chip to improve the effect of subsequent chip detection.

[0013] Furthermore, it also includes a placement seat, an industrial camera and a lighting lamp. The placement seat is installed on the right side of the fixed shell, and the industrial camera is placed inside the placement seat. There are two lighting lamps and they are fixed on the right side of the fixed shell in front and back correspondence. The input ends of the industrial camera and the lighting lamps are electrically connected to the output end of the controller. The industrial camera inside the placement seat can detect the conveyed chips to determine whether there are impurities on the chip surface, and the lighting lamp can provide sufficient lighting for the chip surface to improve the accuracy of detection.

[0014] Furthermore, it also includes an alarm light, two of which are fixed on the front side of the top surface of the cabinet on the left and right sides respectively, and the input end of the alarm light is electrically connected to the output end of the controller. The alarm light can flash when a fault occurs in the device to remind personnel to check it in time.

[0015] Compared with the prior art, the beneficial effects of the present invention are as follows: the preprocessing device for chip detection has the following advantages:

[0016] 1. Adjust the height of the static eliminator by turning the screw to raise and lower the adjustment frame, start the conveyor to transport the chip, and the static eliminator removes the static electricity on the surface of the chip to prevent static electricity from affecting subsequent chip detection.

[0017] 2. By starting the linear motor, the cleaning soft brush is made to fit the surface of the chip, thereby cleaning the impurities adhering to the surface of the chip. At the same time, the bolts facilitate the disassembly and assembly of the cleaning soft brush inside the placement rack.

[0018] 3. The cleaning fan inside the rack can blow off the dust on the surface of the chip to improve the effect of subsequent chip detection, and the negative pressure fan and the dust filter can absorb the dust that falls during cleaning to prevent the dust from flying around and affecting the effect of chip cleaning. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the structure of the utility model;

[0020] Figure 2 This is a schematic diagram of the structure of the cleaning unit of the utility model;

[0021] Figure 3 It is a partial enlarged structural schematic diagram of point A of the utility model.

[0022] In the figure: 1 cabinet, 2 cleaning unit, 21 fixed shell, 22 linear motor, 23 placement rack, 24 bolt, 25 cleaning soft brush, 26 dust filter, 27 negative pressure fan, 28 dust box, 29 suction pipe, 210 rack, 211 cleaning fan, 3 cabinet door, 4 conveyor, 5 fixed rack, 6 screw, 7 adjustment rack, 8 static eliminator, 9 placement seat, 10 industrial camera, 11 lighting, 12 alarm light, 13 controller. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] See also Figure 1-3 ,This embodiment provides a technical solution: a pre-processing device for chip detection, including a cabinet 1 and an electrostatic eliminator 8;

[0025] Cabinet 1: Both ends of the front side are hinged with cabinet doors 3, a conveyor 4 is fixed on the top surface of the cabinet 1, a fixing frame 5 is connected to the right end of the side of the conveyor 4, the top screw hole of the fixing frame 5 is threadedly connected to the screw 6, the bottom end of the screw 6 is rotatably connected to the middle of the top surface of the adjustment frame 7, the adjustment frame 7 is slidably connected to the adjustment groove inside the fixing frame 5, the static eliminator 8 is clamped inside the adjustment frame 7, and a cleaning unit 2 is provided at the left end of the side of the conveyor 4, the cleaning unit 2 includes a fixing shell 21, a linear motor 22, a placement frame 23, bolts 24 and a cleaning soft brush 25, fixed The housing 21 is installed at the left end of the side of the conveyor 4, and the linear motors 22 are fixed in pairs inside the fixed housing 21. The inner side of the moving seat of the linear motor 22 is connected to the end of the placement rack 23. A cleaning soft brush 25 is placed inside the placement rack 23. The screw hole on the top surface of the placement rack 23 is threadedly connected with the bolt 24. The input end of the linear motor 22 is electrically connected to the output end of the controller 13. The linear motor 22 is started to make the cleaning soft brush 25 fit the surface of the chip, so as to clean the impurities adhering to the surface of the chip. At the same time, the bolt 24 is convenient for the placement rack 23 to be placed. 3, the cleaning unit 2 also includes a dust filter 26, a negative pressure fan 27, a dust box 28 and a dust suction pipe 29. The dust box 28 is fixed on the top surface of the fixed shell 21. There are two dust suction pipes 29, which are respectively installed on the front and rear sides of the fixed shell 21. The air inlet of the dust box 28 is connected to the air outlet of the dust suction pipe 29. The through grooves on both sides of the top surface of the dust box 28 are plugged with dust filters 26. The negative pressure fan 27 is installed in the middle of the top surface of the dust box 28. The input end of the negative pressure fan 27 is electrically connected to the output end of the controller 13. The dynamic negative pressure fan 27 cooperates with the dust filter 26 to absorb the dust that falls during cleaning, so as to prevent the dust from flying around and affecting the chip cleaning effect. The cleaning unit 2 also includes a rack 210 and a cleaning fan 211. The rack 210 has two top surfaces fixed to the interior of the fixed shell 21 in front and back correspondence. The cleaning fan 211 is placed inside the rack 210. The input end of the cleaning fan 211 is electrically connected to the output end of the controller 13. The cleaning fan 211 inside the rack 210 can blow off the dust on the surface of the chip to improve the effect of subsequent chip detection.

[0026] The cabinet 1 also includes a controller 13, which is arranged on the front side of the top surface of the cabinet 1. The input ends of the conveyor 4 and the static eliminator 8 are electrically connected to the output end of the controller 13. The input end of the controller 13 is electrically connected to the output end of the external power supply. The screw 6 is rotated to raise and lower the adjustment frame 5 to adjust the height of the static eliminator 8. The conveyor 4 is started to convey the chip. The static eliminator 8 removes the static electricity carried on the surface of the chip to prevent the static electricity from affecting the subsequent chip detection. The interior of the cabinet 1 is convenient for storing items. It also includes a placement seat 9, an industrial camera 10 and a lighting lamp 11. The placement seat 9 is installed on the right side of the fixed shell 21. The interior of the placement seat 9 is placed There is an industrial camera 10, and two lighting lamps 11 are fixed on the right side of the fixed shell 21 in front and back correspondence. The input ends of the industrial camera 10 and the lighting lamp 11 are electrically connected to the output end of the controller 13. The industrial camera 10 inside the placement seat 9 can detect the conveyed chip to determine whether there are impurities on the chip surface, and the lighting lamp 11 can provide sufficient lighting for the chip surface to improve the accuracy of detection. It also includes an alarm light 12. There are two alarm lights 12 and they are fixed on the front side of the top surface of the cabinet 1 in left and right correspondence. The input end of the alarm light 12 is electrically connected to the output end of the controller 13. The alarm light 12 can flash when a fault occurs in the device to remind personnel to check it in time.

[0027] The working principle of the pretreatment device for chip detection provided by the utility model is as follows: first, the screw rod 6 is rotated to make the adjustment frame 5 rise and fall to adjust the height of the static eliminator 8, and the conveyor 4 is started to convey the chip. The static eliminator 8 removes the static electricity carried on the surface of the chip to prevent the static electricity from affecting the subsequent chip detection. Then, the industrial camera 10 inside the placement seat 9 can detect the conveyed chip to determine whether there are impurities on the chip surface, and the lighting lamp 11 can provide sufficient lighting for the chip surface to improve the accuracy of the detection. When the detection knife chip surface has impurities, it is started. The linear motor 22 makes the cleaning soft brush 25 fit with the surface of the chip, so as to clean the impurities adhering to the chip surface. At the same time, the bolt 24 facilitates the disassembly and assembly of the cleaning soft brush 25 inside the placement rack 23, and the cleaning fan 211 inside the frame 210 can blow off the dust on the surface of the chip to improve the effect of subsequent chip detection. At the same time, the negative pressure fan 27 is started to cooperate with the dust filter 26 to absorb the cleaned dust to prevent the dust from flying around and affecting the chip cleaning effect. The set alarm light 12 can flash when the device fails to remind personnel to check in time.

[0028] It is worth noting that the controller 13 disclosed in the above embodiment uses the model S7-200, and the negative pressure fan 27 can be freely configured according to the actual application scenario. It is recommended to use a small negative pressure fan of model RSF-850, the static eliminator 8 can use the static eliminator of model JH5008B, and the industrial camera 10 can use the industrial camera of model GX2500-C. The controller 13 controls the linear motor 22, the negative pressure fan 27, the cleaning fan 211, the conveyor 4, the static eliminator 8, the industrial camera 10, the lighting lamp 11 and the alarm lamp 12 to work using the methods commonly used in the prior art.

[0029] The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A preprocessing device for chip detection, characterized in that: It comprises a cabinet (1) and a static eliminator (8); Cabinet body (1): cabinet doors (3) are hinged at both ends of the front side surface, a conveyor (4) is fixed on the top surface of the cabinet body (1), a fixing frame (5) is connected to the right end of the side surface of the conveyor (4), a screw hole on the top surface of the fixing frame (5) is threadedly connected to a screw rod (6), the bottom end of the screw rod (6) is rotatably connected to the middle part of the top surface of an adjustment frame (7), the adjustment frame (7) is slidably connected to an adjustment groove inside the fixing frame (5), the static eliminator (8) is clamped inside the adjustment frame (7), and a cleaning unit (2) is provided at the left end of the side surface of the conveyor (4); It also includes a controller (13), which is arranged on the front side of the top surface of the cabinet (1), the input ends of the conveyor (4) and the static eliminator (8) are electrically connected to the output end of the controller (13), and the input end of the controller (13) is electrically connected to the output end of an external power supply.

2. A preprocessing device for chip detection according to claim 1, characterized in that: The cleaning unit (2) comprises a fixed shell (21), a linear motor (22), a placement rack (23), a bolt (24) and a cleaning soft brush (25); the fixed shell (21) is mounted on the left end of the side of the conveyor (4); the linear motors (22) are fixed in pairs inside the fixed shell (21); the inner side surface of the moving seat of the linear motor (22) is connected to the end of the placement rack (23); a cleaning soft brush (25) is placed inside the placement rack (23); the screw hole on the top surface of the placement rack (23) is threadedly connected to the bolt (24); the input end of the linear motor (22) is electrically connected to the output end of the controller (13).

3. A preprocessing device for chip detection according to claim 2, characterized in that: The cleaning unit (2) further comprises a dust filter (26), a negative pressure fan (27), a dust collection box (28) and a dust suction pipe (29); the dust collection box (28) is fixed on the top surface of the fixed shell (21); there are two dust suction pipes (29) which are respectively installed on the front and rear side surfaces inside the fixed shell (21); the air inlet of the dust collection box (28) is connected to the air outlet of the dust suction pipe (29); the through grooves on both sides of the top surface of the dust collection box (28) are plugged with dust filters (26); the negative pressure fan (27) is installed in the middle of the top surface of the dust collection box (28); the input end of the negative pressure fan (27) is electrically connected to the output end of the controller (13).

4. A preprocessing device for chip detection according to claim 2, characterized in that: The cleaning unit (2) further comprises a frame (210) and a cleaning fan (211); the frame (210) has two top surfaces fixed to the interior of the fixed shell (21) in a front-to-rear manner; the cleaning fan (211) is placed inside the frame (210); the input end of the cleaning fan (211) is electrically connected to the output end of the controller (13).

5. A preprocessing device for chip detection according to claim 2, characterized in that: It also includes a placement seat (9), an industrial camera (10) and an illuminating lamp (11), wherein the placement seat (9) is installed on the right side of the fixed shell (21), the industrial camera (10) is placed inside the placement seat (9), and there are two illuminating lamps (11) fixed on the right side of the fixed shell (21) in front and back correspondence, and the input ends of the industrial camera (10) and the illuminating lamps (11) are electrically connected to the output end of the controller (13).

6. A preprocessing device for chip detection according to claim 1, characterized in that: It also includes an alarm light (12), wherein two alarm lights (12) are fixed on the front side of the top surface of the cabinet (1) in correspondence with each other on the left and right sides, and the input end of the alarm light (12) is electrically connected to the output end of the controller (13).