An IGBT pin close feeding mechanism

Abstract

The application relates to the technical field of IGBT pin feeding, and discloses an IGBT pin close feeding mechanism, which comprises a main plate, a valve plate and a conveying pipe. A fixed block is fixedly connected to the top of the main plate, a rotating column is rotatably connected to the surface of the fixed block, a gear is fixedly connected to the surface of the rotating column, the valve plate is slidably connected to the top of the fixed block, a connecting plate is fixedly connected to the surface of the valve plate, a rack is fixedly connected to the surface of the connecting plate, a support is fixedly connected to the surface of the fixed block, a gas cylinder is fixedly connected in the support, and the bottom of the main plate is provided with the conveying pipe. Through cooperation of the gas cylinder and the valve plate, the gas cylinder retracts to drive the rack to move, the gear meshing with the rack rotates on the rotating column, the gear drives another rack to move, the rack drives the valve plate to move, the thrust generated by the air compression pipe drives the pin to enter the vacuum hole, and the effect of facilitating suction is achieved.

Description

TECHNICAL FIELD

[0001] The application relates to an IGBT pin feeding mechanism. BACKGROUND

[0002] As one of important high-power mainstream devices of power electronics, IGBT has been widely applied to household appliances, transportation, power engineering, renewable energy and smart grid and the like, and in industrial applications, such as traffic control, power conversion, industrial motor, uninterruptible power supply, wind power and solar equipment, and frequency converter for automatic control, and in consumer electronics, IGBT is used in household appliances, cameras and mobile phones, IGBT as a key component of electric energy conversion is an important core technology of modern science, industry and national defense, and IGBT is the basis of power semiconductors for power electronic products.

[0003] The existing IGBT pin feeding technology mainly adopts a vacuum hole to adsorb the pin, and the welding head of the welding machine needs to slide on the slide for a long time to move to the vacuum hole to adsorb the pin, the vertical position precision of the pin is particularly high, and a little deviation will cause the welding head edge to hit the pin tip, resulting in low feeding success rate, and the welding head cannot be close to the feeding mechanism, so that the welding head cannot adsorb the pin, thereby affecting the use efficiency of the whole mechanism, therefore, the application provides an IGBT pin close feeding mechanism. SUMMARY

[0004] (I) Technical problems solved

[0005] In view of the defects of the prior art, the application provides an IGBT pin close feeding mechanism, which has the advantages of convenient adsorption and vertical feeding, and solves the problems of inconvenient adsorption of the pin and inability to perform vertical feeding.

[0006] (II) Technical scheme

[0007] In order to achieve the above-mentioned purposes of convenient adsorption and vertical feeding, the application provides the following technical scheme: an IGBT pin close feeding mechanism, comprising: a main body plate, a valve plate and a conveying pipe, the top of the main body plate is fixedly connected with a fixed block, the surface of the fixed block is rotatably connected with a rotating column, the surface of the rotating column is fixedly connected with a gear, the top of the fixed block is slidably connected with a valve plate, the surface of the valve plate is fixedly connected with a connecting plate, the surface of the connecting plate is fixedly connected with a rack, the rack is engaged with the gear, the surface of the fixed block is fixedly connected with a support, the inside of the support is fixedly connected with an air cylinder, the output end of the air cylinder is fixedly connected with a rack, the side surface of the air cylinder away from the rack is provided with an air inlet compression pipe, and the bottom of the main body plate is provided with a conveying pipe.

[0008] Furthermore, a fixing post is fixedly connected to one side surface of the fixing block, and an elastic element is fixedly connected to the side surface of the fixing block near the fixing post. The elastic element is disposed on the surface of the fixing post, and the fixing post has the function of assisting in supporting the elastic element, thereby preventing the elastic element from falling off the valve plate. The elastic element has the function of driving the valve plate to reset, thereby preventing the rack and the rack from getting stuck and causing the valve plate to be unable to reset.

[0009] Furthermore, an optical fiber sensor is provided on the surface of the main body plate, and a welding machine is provided on the surface of the main body plate away from the optical fiber sensor. The optical fiber sensor has the function of determining whether there are pins inside the main body plate, thereby preventing the problem of excessive compression caused by the absence of pins inside the main body plate. The welding machine has the function of providing heat to the welding head, thereby enabling the welding head to weld the pins.

[0010] Furthermore, a semi-circular groove is provided on the top of the valve plate, and a needle groove is provided inside the semi-circular groove. The semi-circular groove serves to place the fixing tube, thereby preventing the fixing tube from shaking in the semi-circular groove. The needle groove serves to place the needle, thereby ensuring that the needle is always in a vertical state.

[0011] Furthermore, a U-shaped groove is provided on the top of the valve plate, and an elastic element is fixedly connected to the inner wall of the U-shaped groove. The U-shaped groove facilitates the movement of the valve plate, thereby preventing the valve plate from being stuck by the fixing block during the movement.

[0012] Furthermore, the conveying pipe has an internal feed pipe and a protective pipe on its surface. The feed pipe is used to convey the needles into the main body plate, thereby achieving the purpose of rapid feeding. The protective pipe is used to prevent the conveying pipe from being damaged, thus preventing the needles from being damaged due to damage to the conveying pipe.

[0013] Furthermore, the welding machine is equipped with a welding head inside, and a fixing tube is fixedly connected to the bottom of the welding machine. The fixing tube has a vacuum channel inside. The welding head has the function of welding the pins, and the fixing tube has the function of protecting the vacuum channel, thereby allowing the pins to enter the vacuum channel smoothly. The vacuum channel has the function of placing the pins.

[0014] Furthermore, a U-shaped plate is provided on the top of the main body plate, and a slide is slidably connected to the top of the U-shaped plate. An optical fiber amplifier is fixedly connected to the bottom of the slide. The U-shaped plate facilitates the movement of the slide, and the slide drives the optical fiber amplifier to move. The optical fiber amplifier is used to observe the pin welding status.

[0015] (III) Beneficial Effects

[0016] Compared with the prior art, the present invention provides an IGBT pin proximity feeding mechanism, which has the following advantages:

[0017] 1、 the IGBT pin is close to the feeding mechanism, the welding machine is moved into the semicircular groove through the cooperation of the air cylinder and the valve plate, the air cylinder is started, the air cylinder is retracted to drive the rack to move, the gear meshed with the rack rotates on the rotating column, and then the gear drives another rack to move, the rack drives the valve plate to move, the needle slot is separated from the pin, the thrust generated by the air compression pipe drives the pin into the vacuum hole, and the effect of easy suction is achieved.

[0018] 2、 the IGBT pin is close to the feeding mechanism, the pin is fixed in the needle slot through the cooperation of the valve plate and the conveying pipe, the pin is always in a vertical state through the needle slot, the thrust generated by the air compression pipe drives the pin into the vacuum hole, and the effect of vertical feeding is achieved. BRIEF DESCRIPTION OF DRAWINGS

[0019] Fig. 1 it is the three-dimensional structure schematic view of the present application;

[0020] Fig. 2 it is the three-dimensional structure schematic view of the main plate of the present application;

[0021] Fig. 3 it is the three-dimensional structure schematic view of the conveying pipe of the present application;

[0022] Fig. 4 it is the three-dimensional structure schematic view of the main plate of the present application;

[0023] Fig. 5 it is the three-dimensional structure schematic view of the welding machine of the present application;

[0024] Fig. 6 it is the main planing structure schematic view of the welding machine of the present application.

[0025] In the figure: 1, main plate; 11, fixed block; 111, fixed column; 112, elastic element; 113, rotating column; 114, gear; 12, optical fiber sensor; 13, support; 131, air cylinder; 132, air compression pipe; 2, valve plate; 21, U-shaped groove; 22, semicircular groove; 221, needle slot; 23, connecting plate; 231, rack; 3, conveying pipe; 31, feeding pipe; 32, protection pipe; 4, welding machine; 41, welding head; 42, fixed pipe; 421, vacuum hole; 5, U-shaped plate; 51, sliding frame; 511, optical fiber amplifier. DETAILED DESCRIPTION

[0026] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments of the present application, all the other embodiments obtained by a person of ordinary skill in the art without creative effort belong to the protection scope of the present application.

[0027] Specific embodiment one, please refer to Figs. 1-6 An IGBT pin close feeding mechanism, comprising: a main plate 1, a valve plate 2, a conveying pipe 3, the top of the main plate 1 is fixedly connected with a fixed block 11, the surface of one side of the fixed block 11 is fixedly connected with a fixed column 111, the surface of one side of the fixed block 11 close to the fixed column 111 is fixedly connected with an elastic element 112, the elastic element 112 is arranged on the surface of the fixed column 111, the surface of the main plate 1 is provided with an optical fiber sensor 12, the surface of the main plate 1 away from the optical fiber sensor 12 is provided with a welding machine 4, the inside of the welding machine 4 is provided with a welding head 41, the bottom of the welding machine 4 is fixedly connected with a fixed pipe 42, the inside of the fixed pipe 42 is provided with a vacuum hole 421, the top of the main plate 1 is provided with a U-shaped plate 5, the top of the U-shaped plate 5 is slidably connected with a sliding frame 51, the bottom of the sliding frame 51 is fixedly connected with an optical fiber amplifier 511, the surface of the fixed block 11 is rotatably connected with a rotating column 113, the surface of the rotating column 113 is fixedly connected with a gear 114, the top of the fixed block 11 is slidably connected with the valve plate 2, the top of the valve plate 2 is provided with a semicircular groove 22, the inside of the semicircular groove 22 is provided with a pin slot 221, the top of the valve plate 2 is provided with a U-shaped groove 21, the inner wall of the U-shaped groove 21 is fixedly connected with an elastic element 112, the surface of the valve plate 2 is fixedly connected with a connecting plate 23, the surface of the connecting plate 23 is fixedly connected with a rack 231, the rack 231 is engaged with the gear 114, the surface of the fixed block 11 is fixedly connected with a support 13, the inside of the support 13 is fixedly connected with an air cylinder 131, the output end of the air cylinder 131 is fixedly connected with the rack 231, the surface of one side of the air cylinder 131 away from the rack 231 is provided with an air inlet compression pipe 132, the bottom of the main plate 1 is provided with the conveying pipe 3, the inside of the conveying pipe 3 is provided with a feeding pipe 31, the surface of the conveying pipe 3 is provided with a protection pipe 32;

[0028] The welding machine 4 is moved into the semicircular groove 22, the air cylinder 131 is started, the air cylinder 131 is retracted to drive the rack 231 to move, the gear 114 engaged with the rack 231 is rotated on the rotating column 113, and then the gear 114 drives another rack 231 to move, the rack 231 drives the valve plate 2 to move, the pin slot 221 is separated from the pin, and the thrust generated by the air inlet compression pipe 132 drives the pin to enter the vacuum hole 421, so that the effect of easy suction is achieved.

[0029] Specific embodiment two, please refer to Figs. 1-6The utility model provides an IGBT pin close to upper loading mechanism, include: main body board 1, valve plate 2, conveying pipe 3, the top fixedly connected with fixed block 11 of main body board 1, the side surface of fixed block 11 is fixedly connected with fixed column 111, the side surface of fixed block 11 close to fixed column 111 is fixedly connected with elastic part 112, and elastic part 112 sets up in the surface of fixed column 111, the surface of main body board 1 is provided with fiber sensor 12, and the surface of main body board 1 away from fiber sensor 12 is provided with welding machine 4, and the inside of welding machine 4 is provided with welding head 41, and the bottom of welding machine 4 is fixedly connected with fixed pipe 42, and the inside of fixed pipe 42 is opened with vacuum hole 421, and the top of main body board 1 is provided with U type board 5, and the top of U type board 5 is slidably connected with the connection of sliding frame 51, and the bottom of sliding frame 51 is fixedly connected with fiber amplifier 511, and the surface of fixed block 11 is rotatably connected with rotating column 113, and the surface of rotating column 113 is fixedly connected with gear 114, and the top of fixed block 11 is slidably connected with valve plate 2, and the top of valve plate 2 is opened with semicircle groove 22, and the inside of semicircle groove 22 is opened with needle groove 221, and the top of valve plate 2 is opened with U type groove 21, and the inner wall of U type groove 21 is fixedly connected with elastic part 112, and the surface of valve plate 2 is fixedly connected with connecting plate 23, and the surface of connecting plate 23 is fixedly connected with rack 231, and rack 231 is engaged with gear 114, and the surface of fixed block 11 is fixedly connected with bracket 13, and the inside of bracket 13 is fixedly connected with pneumatic cylinder 131, and the output of pneumatic cylinder 131 is fixedly connected with rack 231, and the side surface of pneumatic cylinder 131 away from rack 231 is provided with air inlet compression pipe 132, and the bottom of main body board 1 is provided with conveying pipe 3, and the inside of conveying pipe 3 is opened with feeding pipe 31, and the surface of conveying pipe 3 is provided with protection pipe 32;

[0030] Pin enters needle groove 221 through feeding pipe 31, and pin is fixed through two valve plates 2, and pin is always in vertical state through needle groove 221, and pin enters vacuum hole 421 through the thrust of air inlet compression pipe 132, to reach the effect of vertical loading.

[0031] Working principle: in use, since the conveying pipe 3 and the main body plate 1 are in communication, the needle is fixed in the needle slot 221 through the two valve plates 2, and the needle is always in a vertical state through the needle slot 221, and since the welding machine 4 is inserted on the surface of the main body plate 1, when the optical fiber sensor 12 senses the presence of the needle on the main body plate 1, an alarm is sent out, then the user takes out the welding machine 4 from the surface of the main body plate 1, and then inserts it into the semicircular groove 22, starts the air cylinder 131, the air cylinder 131 expands to drive the rack 231 to move, the gear 114 engaged with the rack 231 rotates on the rotating column 113, and then the gear 114 drives the other rack 231 to move, the rack 231 drives the valve plate 2 to move, the needle slot 221 is combined with the needle, and whether the needle is in a vertical state can be observed through the optical fiber amplifier 511, then the air cylinder 131 retracts to drive the rack 231 to move, the gear 114 engaged with the rack 231 rotates on the rotating column 113, and then the gear 114 drives the other rack 231 to move, the rack 231 drives the valve plate 2 to move, and the needle slot 221 is separated from the needle, the thrust generated by the air compression pipe 132 drives the needle into the vacuum hole 421, and the welding machine 4 welds the needle through the welding head 41.

[0032] In summary, the IGBT needle is close to the feeding mechanism, the welding machine 4 is moved into the semicircular groove 22 through the cooperation of the air cylinder 131 and the valve plate 2, the air cylinder 131 retracts to drive the rack 231 to move, the gear 114 engaged with the rack 231 rotates on the rotating column 113, and then the gear 114 drives the other rack 231 to move, the rack 231 drives the valve plate 2 to move, and the needle slot 221 is separated from the needle, the thrust generated by the air compression pipe 132 drives the needle into the vacuum hole 421, thereby achieving the effect of easy suction; through the cooperation of the valve plate 2 and the conveying pipe 3, the needle is fixed in the needle slot 221 through the two valve plates 2, and the needle is always in a vertical state through the needle slot 221, and the thrust generated by the air compression pipe 132 drives the needle into the vacuum hole 421, thereby achieving the effect of vertical feeding.

[0033] Although embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. An IGBT pin proximity feeding mechanism, comprising: The main body plate (1), valve plate (2), and conveying pipe (3) are characterized in that: a fixing block (11) is fixedly connected to the top of the main body plate (1), a rotating column (113) is rotatably connected to the surface of the fixing block (11), a gear (114) is fixedly connected to the surface of the rotating column (113), a valve plate (2) is slidably connected to the top of the fixing block (11), a connecting plate (23) is fixedly connected to the surface of the valve plate (2), a rack (231) is fixedly connected to the surface of the connecting plate (23), the rack (231) meshes with the gear (114), a bracket (13) is fixedly connected to the surface of the fixing block (11), a cylinder (131) is fixedly connected inside the bracket (13), a rack (231) is fixedly connected to the output end of the cylinder (131), and an air intake compression pipe (131) is provided on the side of the cylinder (131) away from the rack (231). 32), a conveying pipe (3) is provided at the bottom of the main plate (1); a fixing column (111) is fixedly connected to one side surface of the fixing block (11), and an elastic element (112) is fixedly connected to the side surface of the fixing block (111) near the fixing column (111), and the elastic element (112) is provided on the surface of the fixing column (111); a semi-circular groove (22) is provided at the top of the valve plate (2), and a needle groove (221) is provided inside the semi-circular groove (22); an optical fiber sensor (12) is provided on the surface of the main plate (1), and a welding machine (4) is provided on the surface of the main plate (1) away from the optical fiber sensor (12); a welding head (41) is provided inside the welding machine (4), and a fixing pipe (42) is fixedly connected to the bottom of the welding machine (4), and a vacuum channel (421) is provided inside the fixing pipe (42); the welding machine (4) can be moved into the semi-circular groove (22).

2. The IGBT pin proximity feeding mechanism according to claim 1, characterized in that: The valve plate (2) has a U-shaped groove (21) on its top, and an elastic element (112) is fixedly connected to the inner wall of the U-shaped groove (21).

3. The IGBT pin proximity feeding mechanism according to claim 1, characterized in that: The conveying pipe (3) has an inlet pipe (31) inside, and a protective pipe (32) is provided on the surface of the conveying pipe (3).

4. The IGBT pin proximity feeding mechanism according to claim 1, characterized in that: The top of the main plate (1) is provided with a U-shaped plate (5), and a slide (51) is slidably connected to the top of the U-shaped plate (5). An optical fiber amplifier (511) is fixedly connected to the bottom of the slide (51).

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