Polishing device for field-effect tube machining

Abstract

The utility model provides a polishing device for field effect transistor machining, which relates to the technical field of field effect transistor machining and comprises an L-shaped bearing frame, two first electric push rods are arranged on the inner wall of the L-shaped bearing frame, and a moving plate is arranged above the L-shaped bearing frame. The telescopic ends of the two first electric push rods are fixedly connected to the outer surface of a movable plate. An electrostatic protection mechanism is arranged outside the L-shaped bearing frame and comprises a sliding frame, a hollow frame and an L-shaped conductor fixedly connected to the outer surface of the L-shaped bearing frame. According to the grinding device for field-effect tube machining, through the arrangement of the moving plate, the first electric push rod and the electrostatic protection mechanism, a field-effect tube needing to be ground is placed on the L-shaped bearing frame, the field-effect tube can be fixed through movement of the moving plate, and a grid electrode, a source electrode and a drain electrode of the field-effect tube are subjected to short circuit and grounding; static electricity generated by subsequent polishing is prevented from breaking down a gate insulating layer of the field effect transistor.

Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of polishing devices for field effect tube processing, specifically a kind of polishing device for field effect tube processing, belong to field effect tube processing technical field. BACKGROUND

[0002] Field effect tube is a voltage control type semiconductor device, with input resistance high, small noise, low power consumption, large dynamic range, easy to integrate and so on, it plays a key role in electronic circuit, when field effect tube is processed, polishing device is needed to be used to trim and polish field effect tube surface.

[0003] When field effect tube is polished, field effect tube needs to be fixed, then the surface of field effect tube is polished by polishing disc, and the relative friction of polishing disc and field effect tube surface can easily generate static electricity, since the gate insulating layer of field effect tube is extremely thin, static electricity generated by friction can easily break down gate insulating layer, so that field effect tube is easily damaged during polishing.

[0004] Therefore, a kind of polishing device for field effect tube processing is proposed. INVENTION CONTENTS

[0005] The utility model proposes a kind of polishing device for field effect tube processing to solve the problem that field effect tube is easily produced static electricity breakdown gate insulating layer and causes field effect tube damage in the prior art when polishing.

[0006] The utility model is realized by the following technical schemes: a kind of polishing device for field effect tube processing, including L type bearing frame, the inner wall of L type bearing frame is provided with two first electric push rod, the upper of L type bearing frame is provided with moving plate, the telescopic end of two first electric push rod is all fixedly connected in the outer surface of moving plate;

[0007] The outer portion of L type bearing frame is provided with static electricity protection mechanism, the static electricity protection mechanism includes sliding frame, hollow frame and L type conductor fixedly connected in the outer surface of L type bearing frame, the bottom surface of L type conductor is fixedly connected with ground wire, the sliding frame is slidably connected with hollow frame, the inner wall of hollow frame is fixedly connected with U type anti-extraction frame, the U type anti-extraction frame is slidably connected in the outer surface of sliding frame, the outer surface of hollow frame is fixedly connected with two slide rods, the outer surface of two slide rods is slidably connected with fixed tube, the end of two fixed tubes away from slide rod is all fixedly connected in the outer surface of L type conductor.

[0008] Further, the end of two slide rods away from hollow frame is all fixedly connected with spring, the end of two springs away from slide rod is respectively fixedly connected in the inner wall of two fixed tubes, by spring setting, spring can be reset when field effect tube is removed by slide rod.

[0009] Further, the outer surface of the sliding frame is fixedly connected with two symmetrical L-shaped guide rods, both of which penetrate through and are in sliding connection with the L-shaped conductor.

[0010] Preferably, the upper portion of the L-shaped bearing frame is provided with a polishing mechanism, which comprises an L-shaped fixed frame fixedly connected to the outer surface of the L-shaped bearing frame, the inner top wall of the L-shaped fixed frame is fixedly connected with a second electric push rod, the telescopic end of the second electric push rod is fixedly connected with a motor, the output shaft end of the motor is fixedly connected with a polishing disc, and the rotating polishing disc can polish the surface of the field effect tube.

[0011] The upper surface of the L-shaped fixed frame is fixedly connected with a fan, the output end of the fan is fixedly connected with four communication hoses, the four communication hoses penetrate through and are fixedly connected with the L-shaped fixed frame, the ends of the four communication hoses away from the fan are fixedly connected with blowing hoppers, and the four blowing hoppers are fixedly connected to the outer surface of the motor.

[0012] Specifically, the bottom surface of the L-shaped bearing frame is fixedly connected with a dust collecting hopper, the bottom surface of the dust collecting hopper is fixedly connected with a dust collector, and the input end of the dust collector is connected with the dust collecting hopper.

[0013] The utility model provides a kind of field effect tube processing is polished device, it has the beneficial effects as follows:

[0014] 1, the field effect tube processing is polished device by the setting of moving plate, first electric push rod and electrostatic protection mechanism, the field effect tube needing polishing is placed on L-shaped bearing frame, the field effect tube can be fixed by the movement of moving plate, and the gate, source and drain of field effect tube are short-circuited and grounded, to avoid subsequent polishing electrostatic breakdown field effect tube's gate insulating layer, so that the field effect tube during polishing is electrostatically protected.

[0015] 2, the field effect tube processing is polished device by the setting of polishing mechanism, dust collecting hopper and dust collector, after the gate, source and drain of field effect tube are short-circuited and grounded, control second electric push rod elongation, so that polishing disc and field effect tube surface contact, while control motor and fan operation, motor drives polishing disc rotation and polishes field effect tube surface, and fan blows polishing position by communication hose and blowing hopper, to avoid the dust generated by polishing adhering to the surface of field effect tube, while control dust collector operation, dust is sucked into dust collector and collected, so as to ensure that the surface of field effect tube is clean. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a three-dimensional structure schematic view of the utility model;

[0017] Figure 2 It is a split structure schematic view of the L-shaped bearing frame and dust collecting hopper of the utility model;

[0018] Figure 3 It is a split structure schematic view of the sliding frame and hollow frame of the utility model;

[0019] Figure 4 It is an internal structure schematic view of the fixed tube of the utility model.

[0020] Explanation of reference signs

[0021] 1, L-shaped bearing frame; 2, moving plate; 3, first electric push rod;

[0022] 4, electrostatic protection mechanism; 41, L-shaped conductor; 42, grounding wire; 43, sliding frame; 44, hollow frame; 45, U-shaped anti-dropping frame; 46, sliding rod; 47, fixed tube; 48, spring; 49, L-shaped guide rod;

[0023] 5, polishing mechanism; 51, L-shaped fixed frame; 52, second electric push rod; 53, motor; 54, polishing disc; 55, fan; 56, communication hose; 57, blowing hopper;

[0024] 6, dust collecting hopper; 7, dust collector. Specific implementation

[0025] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the present application.

[0026] Please refer to Figures 1-4 The utility model proposes the following implementation plan: a kind of polishing device for field effect tube processing, including L-shaped bearing frame 1, the inner wall of L-shaped bearing frame 1 is provided with two first electric push rod 3, the top of L-shaped bearing frame 1 is provided with moving plate 2, the telescopic end of two first electric push rod 3 is all fixedly connected in the outer surface of moving plate 2, two first electric push rod 3 share same controller, so that two first electric push rod 3 can be synchronous telescopic.

[0027] Please refer to Figure 3 And Figure 4The outer part of the L-shaped bearing frame 1 is provided with an electrostatic protection mechanism 4, the electrostatic protection mechanism 4 comprises a sliding frame 43, a hollow frame 44 and an L-shaped conductor 41 fixedly connected to the outer surface of the L-shaped bearing frame 1, the bottom surface of the L-shaped conductor 41 is fixedly connected with a grounding wire 42, the sliding frame 43 is in sliding connection with the hollow frame 44, the inner wall of the hollow frame 44 is fixedly connected with a U-shaped anti-disengagement frame 45, the U-shaped anti-disengagement frame 45 is in sliding connection with the outer surface of the sliding frame 43, the outer surface of the hollow frame 44 is fixedly connected with two sliding rods 46, the outer surfaces of the two sliding rods 46 are both in sliding connection with a fixed tube 47, and the ends, away from the sliding rods 46, of the two fixed tubes 47 are both fixedly connected to the outer surface of the L-shaped conductor 41.

[0028] Please refer to Figure 4 The ends, away from the hollow frame 44, of the two sliding rods 46 are both fixedly connected with a spring 48, and the ends, away from the sliding rods 46, of the two springs 48 are respectively fixedly connected to the inner walls of the two fixed tubes 47, so that the spring 48 can push the sliding rod 46 to reset when the field effect tube is removed.

[0029] Please refer to Figure 3 The outer surface of the sliding frame 43 is fixedly connected with two symmetrical L-shaped guide rods 49, the two L-shaped guide rods 49 both penetrate through the L-shaped conductor 41 and are both in sliding connection with the L-shaped conductor 41, and the L-shaped guide rods 49 guide the movement of the sliding frame 43.

[0030] Please refer to Figure 1 The upper part of the L-shaped bearing frame 1 is provided with a polishing mechanism 5, the polishing mechanism 5 comprises an L-shaped fixed frame 51 fixedly connected to the outer surface of the L-shaped bearing frame 1, the inner top wall of the L-shaped fixed frame 51 is fixedly connected with a second electric push rod 52, the telescopic end of the second electric push rod 52 is fixedly connected with a motor 53, the output shaft end of the motor 53 is fixedly connected with a polishing disc 54, and the rotating polishing disc 54 can polish the surface of the field effect tube.

[0031] Please refer to Figure 1 The upper surface of the L-shaped fixed frame 51 is fixedly connected with a fan 55, the output end of the fan 55 is fixedly connected with four communicating hoses 56, the four communicating hoses 56 both penetrate through the L-shaped fixed frame 51 and are both fixedly connected with the L-shaped fixed frame 51, the ends, away from the fan 55, of the four communicating hoses 56 are all fixedly connected with a blowing nozzle 57, the blowing nozzle 57 is slightly inclined to facilitate blowing to the polishing position, the four blowing nozzles 57 are all fixedly connected to the outer surface of the motor 53, and the fan 55 can blow to the polishing position through the communicating hoses 56 and the blowing nozzles 57 when the fan 55 is running, so that the dust generated by polishing falls from the surface of the field effect tube.

[0032] Please refer to Figure 2The bottom surface of the L-shaped bearing frame 1 is fixedly connected with a dust collecting hopper 6, and a plurality of through holes are formed in the surface of the L-shaped bearing frame 1, so that the dust can pass through the L-shaped bearing frame 1 and enter the dust collecting hopper 6, and the bottom surface of the dust collecting hopper 6 is fixedly connected with a dust collector 7, and the input end of the dust collector 7 is connected with the dust collecting hopper 6, and the dust collector 7 can collect the dust into the dust collector 7 through the dust collecting hopper 6 when the dust collector 7 operates.

[0033] In use, the field effect tube is placed on the L-shaped bearing frame 1, the two first electric push rods 3 are controlled to be synchronously elongated, the moving plate 2 is driven to move towards the direction close to the L-shaped conductor 41, and the gate, the source and the drain of the field effect tube drive the hollow frame 44 to move away from the moving plate 2, the spring 48 is compressed, under the sliding action of the U-shaped anti-dropping frame 45 and the sliding frame 43, the sliding frame 43 moves downward at this time, and the gate, the source and the drain of the field effect tube are fixed between the sliding frame 43 and the L-shaped conductor 41, the grounding wire 42 is grounded, then the second electric push rod 52 is controlled to be elongated, the polishing disc 54 is in contact with the surface of the field effect tube, the motor 53 and the fan 55 are controlled to operate at the same time, the motor 53 drives the polishing disc 54 to rotate and polish the surface of the field effect tube, and the fan 55 blows air to the polishing position through the connecting hose 56 and the blowing hopper 57, so that the dust generated in polishing is avoided from adhering to the surface of the field effect tube, and the dust collector 7 is controlled to operate, so that the dust is sucked into the dust collector 7 for collection, the device can avoid that the gate insulating layer of the field effect tube is broken down by static electricity generated in subsequent polishing, so that the field effect tube in polishing is electrostatically protected.

[0034] The basic principle and main features of the utility model and the advantages of the utility model are shown and described above. The skilled in the art should understand that the utility model is not limited by the above-mentioned embodiments, and the above-mentioned embodiments and the description in the specification are only to illustrate the principle of the utility model, and various changes and improvements can be made to the utility model without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the utility model claimed. The protection scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A polishing device for processing field effect tubes, comprising an L-shaped carrier frame (1), characterized in that: The inner wall of the L-shaped bearing frame (1) is provided with two first electric push rods (3), the upper portion of the L-shaped bearing frame (1) is provided with a moving plate (2), and the telescopic ends of the two first electric push rods (3) are fixedly connected to the outer surface of the moving plate (2); The outer portion of the L-shaped bearing frame (1) is provided with an electrostatic protection mechanism (4), the electrostatic protection mechanism (4) comprises a sliding frame (43), a hollow frame (44) and an L-shaped conductor (41) fixedly connected to the outer surface of the L-shaped bearing frame (1), the bottom surface of the L-shaped conductor (41) is fixedly connected with a grounding wire (42), the sliding frame (43) is in sliding connection with the hollow frame (44), the inner wall of the hollow frame (44) is fixedly connected with a U-shaped anti-disengagement frame (45), the U-shaped anti-disengagement frame (45) is in sliding connection with the outer surface of the sliding frame (43), the outer surface of the hollow frame (44) is fixedly connected with two sliding rods (46), the outer surfaces of the two sliding rods (46) are both in sliding connection with a fixed tube (47), and the ends, away from the sliding rods (46), of the two fixed tubes (47) are both fixedly connected to the outer surface of the L-shaped conductor (41).

2. The polishing apparatus for processing a field effect transistor according to claim 1, wherein: The ends, away from the hollow frame (44), of the two sliding rods (46) are both fixedly connected with a spring (48), and the ends, away from the sliding rods (46), of the two springs (48) are respectively fixedly connected to the inner walls of the two fixed tubes (47).

3. The polishing apparatus for processing a field effect transistor according to claim 1, wherein: The outer surface of the sliding frame (43) is fixedly connected with two symmetrical L-shaped guide rods (49), both of which penetrate through and are in sliding connection with the L-shaped conductor (41).

4. The polishing apparatus for processing a field effect transistor according to claim 1, wherein: The upper portion of the L-shaped bearing frame (1) is provided with a polishing mechanism (5), the polishing mechanism (5) comprises an L-shaped fixed frame (51) fixedly connected to the outer surface of the L-shaped bearing frame (1), the inner top wall of the L-shaped fixed frame (51) is fixedly connected with a second electric push rod (52), the telescopic end of the second electric push rod (52) is fixedly connected with a motor (53), and the output shaft end of the motor (53) is fixedly connected with a polishing disc (54).

5. The polishing apparatus for processing a field effect transistor according to claim 4, wherein: The upper surface of the L-shaped fixed frame (51) is fixedly connected with a fan (55), the output end of the fan (55) is fixedly connected with four communicating hoses (56), the four communicating hoses (56) all penetrate through and are fixedly connected with the L-shaped fixed frame (51), and the ends, away from the fan (55), of the four communicating hoses (56) are all fixedly connected with a blowing hopper (57), and the four blowing hoppers (57) are all fixedly connected to the outer surface of the motor (53).

6. The polishing apparatus for processing a field effect transistor according to claim 1, wherein: The bottom surface of the L-shaped bearing frame (1) is fixedly connected with a dust collecting hopper (6), the bottom surface of the dust collecting hopper (6) is fixedly connected with a dust collector (7), and the input end of the dust collector (7) is connected with the dust collecting hopper (6).

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