CN218460701U

CN218460701U - Be used for nanometer silver cream IGBT processing to use pin equipment of bending

Info

Publication number: CN218460701U
Application number: CN202222065730.2U
Authority: CN
Inventors: 姜成名
Original assignee: Nanjing Xinxing Electronic Technology Co ltd
Current assignee: Nanjing Xinxing Electronic Technology Co ltd
Priority date: 2022-08-08
Filing date: 2022-08-08
Publication date: 2023-02-10
Anticipated expiration: 2032-08-08

Abstract

The utility model discloses a pin bending device for processing a nano silver paste IGBT, relating to the technical field of IGBT pin bending; the utility model comprises a bottom plate, wherein two symmetrically distributed positioning plates are slidably arranged at one end of the upper surface of the bottom plate, and a driving mechanism is arranged on the inner wall of the bottom plate close to the positioning plates; the driving mechanism comprises a first groove, a first rotating shaft is rotatably arranged in the first groove, and a gear is fixedly arranged at the upper end of the first rotating shaft; the utility model discloses transfer wheel accessible second pivot drives worm drive worm wheel and rotates, and the worm wheel rotates through first pivot drive gear for two meshes set up the pinion rack on the gear and move in opposite directions, drive the locating plate through the connecting block and fix a position the centre gripping to IGBT, avoid rocking the effect that the influence was bent when bending, can adjust two distances between the locating plate through rotating the runner, conveniently carry out the centre gripping to the IGBT of different specifications, can improve the device's practicality.

Description

Be used for nanometer silver cream IGBT processing to use pin equipment of bending

Technical Field

The utility model relates to a technical field that the IGBT pin bends specifically is a be used for processing of nanometer silver cream IGBT to bend equipment with pin.

Background

I GBT: an insulated gate bipolar transistor is a composite fully-controlled voltage-driven power semiconductor device consisting of a bipolar triode and an insulated gate field effect transistor, and a pin, also called a base pin, is a wiring which is led out from an internal circuit of an integrated circuit and connected with a peripheral circuit;

application No.: CN201810361358.5 is a new type of nano silver paste, its preparation method and sintering method, as a new type of green leadless connecting material, it has good mechanical properties, electric and heat conductivity, high working temperature, and can overcome the defects of traditional solder interconnection, and meet the high temperature packaging requirements of high power electronic devices, and is drawing wide attention of students and engineers in the electronic industry, and the research work on nano silver paste has been developed and made with different degrees of progress, but the problems of high sintering temperature (> 250 ℃) and long sintering time are common, and the use of nano silver paste to make IGBT can meet the high temperature packaging requirements of high power electronic devices.

The nano silver paste IGBT in the prior art has the following problems in the manufacturing process:

firstly, in order to facilitate the installation and use of the IGBT module, pins of the IGBT module are required to be bent, the pins with different lengths are required to be bent when the IGBT module is installed in different devices, but the practical performance of only one bending length is low when the IGBT pin is bent by the existing bending equipment;

secondly, the recess of placing is fixed to the IGBT module during bending, and when meetting the IGBT module of different specifications, this is unstable to its centre gripping location, and the deviation appears easily when leading to bending, influences the efficiency of bending.

In order to solve the problems, the inventor provides pin bending equipment for processing the nano silver paste IGBT, and the pin bending equipment is used for solving the problems.

SUMMERY OF THE UTILITY MODEL

The problem of bending different lengths and clamping different specifications of IGBTs is solved; the utility model aims at providing a be used for processing of nanometer silver cream IGBT to bend equipment with pin.

In order to solve the technical problem, the utility model adopts the following technical scheme: a pin bending device for processing a nano silver paste IGBT comprises a bottom plate, wherein two symmetrically distributed positioning plates are slidably arranged at one end of the upper surface of the bottom plate, and a driving mechanism is arranged on the inner wall of the bottom plate, close to the positioning plates;

the driving mechanism comprises a first groove, a first rotating shaft is rotationally arranged in the first groove, a gear is fixedly arranged at the upper end of the first rotating shaft, toothed plates which are arranged diagonally are arranged at the two ends of the gear in a meshed manner, a first sliding groove which is distributed the same as the toothed plates is formed in the upper end of the first groove, connecting blocks are fixedly arranged at the upper ends of the two toothed plates, the upper end of each connecting block penetrates through the first sliding groove and is fixedly connected to the positioning plate, a second groove is formed in the lower surface of the first groove, which is close to the first rotating shaft, a worm wheel is fixedly arranged at one end of the first rotating shaft, which is positioned in the second groove, a worm is meshed with the worm wheel, the fixed second pivot that is equipped with on the worm, second pivot one end runs through the bottom plate, the second pivot is located the fixed runner that is equipped with of bottom plate outer wall one end, runner accessible second pivot drives worm drive worm wheel and rotates, the worm wheel drives the gear through first pivot and rotates for two meshes set up the pinion rack on the gear and move in opposite directions, drive the locating plate through the connecting block and carry out the location centre gripping to the IGBT, avoid rocking the effect that influences the bending when bending, can adjust the distance between two locating plates through rotating the runner, conveniently carry out the centre gripping to the IGBT of different specifications, can improve the device's practicality.

Preferably, the opposite ends of the two positioning plates are provided with extraction grooves, so that the bent IGBT can be conveniently taken out.

Preferably, the bottom plate upper surface is close to the locating plate and slides and is equipped with the board of bending, the fixed slider that is equipped with vertical setting in board both ends of bending, the bottom plate is close to the fixed first fixed block that is equipped with in slider one side, it is equipped with first lead screw to rotate to insert on the first fixed block, first lead screw one end is rotated and is set up on the slider, the fixed bracing piece that is vertical setting that is equipped with two symmetric distributions of locating plate one end, two of keeping away from of bottom plate upper surface the bracing piece is equipped with the movable plate towards locating plate one side vertical slip, the movable plate lower surface is equipped with the piece of bending, the movable plate lower surface is close to the fixed second fixed block that is equipped with of bracing piece one end, it is equipped with the second lead screw to rotate on the second fixed block and insert, second lead screw one end is rotated and is set up on the piece of bending, rotates first lead screw cooperation bearing and can drive the slider and remove to can drive the board of bending and remove to the board of bending, will bend the board and remove the pin department of different length, rotatable second lead screw cooperation bearing can drive the piece of bending that slides and set up on the movable plate of bending after removing, and the adjustment can adjust according to actual conditions, bend the pin department of different length, increase the IGBT of this device.

Preferably, the sliding block and the bending piece are fixedly provided with a bearing, and the end parts of the first screw rod and the second screw rod are fixedly connected to the inner ring of the bearing, so that the sliding block and the bending piece can be adjusted through the first screw rod and the second screw rod.

Preferably, two the upper ends of the supporting rods are fixedly provided with a vertical plate which is horizontally arranged, the lower surface of the vertical plate is fixedly provided with an air cylinder, the output end of the air cylinder is fixedly connected to the upper moving surface, and the air cylinder can push the moving plate to drive the bending plate to bend pins on the IGBT.

Compared with the prior art, the beneficial effects of the utility model reside in that:

1. the utility model discloses the transfer wheel can drive worm wheel through the second pivot and rotate, and the worm wheel drives the gear through first pivot and rotates for two pinion racks that mesh and set up on the gear move in opposite directions, drive the locating plate through the connecting block and carry out the location centre gripping to the IGBT, avoid rocking when bending and influence the effect of bending, can adjust the distance between two locating plates through rotating the runner, conveniently carry out the centre gripping to the IGBT of different specifications, can improve the practicality of the device;

2. the utility model discloses in rotate first lead screw cooperation bearing and can drive the slider and remove, thereby can drive the board of bending and remove, the board of will bending removes the pin department of different length, rotatable second lead screw afterwards, second lead screw cooperation bearing can drive the piece of bending that the slip set up on the movable plate and remove, remove the board department of bending after adjusting, the cylinder can promote the movable plate and drive the pin of bending on the board to IGBT and bend, the user of service can adjust according to actual conditions, bend out different length IGBT pins according to actual conditions, the practicality of the device is increased.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is the overall structure diagram of the present invention.

Fig. 2 is a schematic view of the bottom plate section structure of the present invention.

Fig. 3 is a schematic view of a second groove structure of the present invention.

Fig. 4 is a schematic view of the structure of the supporting rod of the present invention.

In the figure: 1. a base plate; 11. positioning a plate; 12. a first groove; 13. a first rotating shaft; 14. a gear; 15. A toothed plate; 16. connecting blocks; 17. a first chute; 18. a second groove; 19. a worm gear; 20. a worm; 21. A second rotating shaft; 22. a rotating wheel; 23. an extraction tank; 3. bending the plate; 31. a slider; 32. a first fixed block; 33. a first lead screw; 34. a support bar; 35. moving the plate; 36. bending a piece; 37. a second fixed block; 38. A second lead screw; 39. a bearing; 40. a vertical plate; 41. and a cylinder.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The first embodiment is as follows: as shown in fig. 1-4, the utility model provides a pin bending device for processing a nano silver paste IGBT, which comprises a bottom plate 1, wherein two symmetrically distributed positioning plates 11 are arranged at one end of the upper surface of the bottom plate 1 in a sliding manner, and a driving mechanism is arranged on the inner wall of the bottom plate 1 close to the positioning plates 11;

actuating mechanism includes first recess 12, the internal rotation of first recess 12 is equipped with first pivot 13, the fixed gear 14 that is equipped with in first pivot 13 upper end, the meshing of gear 14 both ends is equipped with the pinion rack 15 that is diagonal setting, first recess 12 upper end is seted up and is distributed the same first spout 17 with pinion rack 15, two fixed connecting blocks 16 that are equipped with in pinion rack 15 upper end, connecting block 16 upper end is run through first spout 17 fixed connection on locating plate 11, first recess 12 lower surface is close to first pivot 13 and has been seted up second recess 18, first pivot 13 is located the fixed worm wheel 19 that is equipped with of one end in second recess 18, the meshing is equipped with worm 20 on the worm wheel 19, worm 20 drive worm wheel 19 rotates, worm wheel 19 drives gear 14 through first pivot 13 and rotates, make two meshing settings pinion rack 15 on gear 14 remove in opposite directions, drive locating plate 11 through connecting block 16 and fix a position the centre gripping to the IGBT, avoid rocking the effect that influences bending when bending, can adjust the distance between two locating plates 11 through rotating runner 22, conveniently carry out the centre gripping to the IGBT of different specifications, can improve the device's practicality.

A second rotating shaft 21 is fixedly arranged on the worm 20, one end of the second rotating shaft 21 penetrates through the bottom plate 1, and a rotating wheel 22 is fixedly arranged at one end of the second rotating shaft 21, which is positioned on the outer wall of the bottom plate 1.

Through adopting above-mentioned technical scheme, make things convenient for user of service to adjust locating plate 11 through runner 22, carry out the centre gripping location to the IGBT of different specifications.

The opposite ends of the two positioning plates 11 are provided with extraction grooves 23.

By adopting the technical scheme, the bent IGBT can be conveniently taken out.

The second embodiment: as shown in fig. 4, the upper surface of the bottom plate 1 is close to the positioning plate 11 and is provided with the bending plate 3 in a sliding manner, the two ends of the bending plate 3 are fixedly provided with the sliding blocks 31 of the vertical arrangement, the bottom plate 1 is close to one side of the sliding blocks 31 and is fixedly provided with the first fixing blocks 32, the first fixing blocks 32 are rotatably inserted with the first lead screws 33, one ends of the first lead screws 33 are rotatably arranged on the sliding blocks 31, the first lead screws 33 are rotatably matched with the bearings 39 to drive the sliding blocks 31 to move, the bending plate 3 can be driven to move, the bending plate 3 can be moved to the pins with different lengths, a user can adjust the bending device according to actual conditions, the IGBT pins with different lengths can be bent according to actual conditions, and the practicability of the bending device is improved.

The fixed bracing piece 34 that is vertical setting that is equipped with two symmetric distributions of being of keeping away from 11 one end of locating plate of bottom plate 1 upper surface, two bracing pieces 34 are equipped with vertical slip towards locating plate 11 one side and are equipped with movable plate 35, and movable plate 35 lower surface is equipped with the piece of bending 36, and the movable plate 35 lower surface is close to the fixed second fixed block 37 that is equipped with of bracing piece 34 one end, rotates on the second fixed block 37 to insert and is equipped with second lead screw 38, and second lead screw 38 one end is rotated and is set up on the piece of bending 36.

By adopting the technical scheme, the second screw rod 38 is rotated, the second screw rod 38 is matched with the bearing 39 to drive the bending piece 36 which is arranged on the moving plate 35 in a sliding mode to move, and the adjusted bending plate 3 is moved, so that the pins can be conveniently bent.

The sliding block 31 and the bending piece 36 are fixedly provided with a bearing 39, and the ends of the first screw rod 33 and the second screw rod 38 are fixedly connected to an inner ring of the bearing 39.

By adopting the technical scheme, the sliding block 31 and the bending piece 36 can be adjusted through the first screw rod 33 and the second screw rod 38.

The upper ends of the two support rods 34 are fixedly provided with a vertical plate 40 which is horizontally arranged, the lower surface of the vertical plate 40 is fixedly provided with an air cylinder 41, and the output end of the air cylinder 41 is fixedly connected to the upper moving surface.

By adopting the technical scheme, the air cylinder 41 can push the movable plate 35 to drive the bending plate 3 to bend the pins on the IGBT.

The working principle is as follows: the utility model discloses the IGBT that needs to bend earlier when using is placed between two locating plates 11, place the pin in the board 3 upper ends of bending, through rotating runner 22, runner 22 can drive worm 20 through second pivot 21 and drive worm wheel 19 and rotate, worm wheel 19 drives gear 14 through first pivot 13 and rotates, make two meshing set up pinion rack 15 on gear 14 move in opposite directions, drive locating plate 11 through connecting block 16 and carry out the location centre gripping to the IGBT, avoid rocking the effect that influences the bending when bending, can adjust the distance between two locating plates 11 through rotating runner 22, conveniently carry out the centre gripping to the IGBT of different specifications, can improve the practicality of the device;

can drive slider 31 and remove through rotating first lead screw 33 cooperation bearing 39, thereby can drive the board 3 of bending and remove, the board 3 of will bending removes the pin department of different length, rotatable second lead screw 38 afterwards, second lead screw 38 cooperation bearing 39 can drive the piece 36 of bending that slides and set up on movable plate 35 and remove, remove the board 3 department of bending after the regulation, cylinder 41 can promote movable plate 35 and drive the board 3 of bending and bend the pin on the IGBT, the user of service can adjust according to actual conditions, bend out different length IGBT pins according to actual conditions, increase the device's practicality.

It will be apparent to those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.

Claims

1. The utility model provides a be used for nanometer silver cream IGBT processing to use pin equipment of bending, includes bottom plate (1), its characterized in that: two symmetrically distributed positioning plates (11) are slidably arranged at one end of the upper surface of the bottom plate (1), and a driving mechanism is arranged on the inner wall of the bottom plate (1) close to the positioning plates (11);

actuating mechanism includes first recess (12), first recess (12) internal rotation is equipped with first pivot (13), fixed gear (14) that is equipped with in first pivot (13) upper end, gear (14) both ends meshing is equipped with pinion rack (15) that are the diagonal angle setting, first spout (17) the same with pinion rack (15) distribution are seted up to first recess (12) upper end, two pinion rack (15) upper end is fixed and is equipped with connecting block (16), connecting block (16) upper end runs through first spout (17) fixed connection on locating plate (11), second recess (18) have been seted up near first pivot (13) to first recess (12) lower surface, first pivot (13) are located fixed worm wheel (19) that is equipped with of second recess (18) one end, the meshing is equipped with worm (20) on worm wheel (19).

2. The pin bending device for processing the nano silver paste IGBT according to claim 1, wherein a second rotating shaft (21) is fixedly arranged on the worm (20), one end of the second rotating shaft (21) penetrates through the bottom plate (1), and a rotating wheel (22) is fixedly arranged at one end, located on the outer wall of the bottom plate (1), of the second rotating shaft (21).

3. The pin bending device for processing the nano silver paste IGBT according to claim 1, wherein one end of each of the two positioning plates (11) opposite to each other is provided with an extraction groove (23).

4. The pin bending device for processing the nano silver paste IGBT according to claim 1, wherein the bending plate (3) is slidably arranged on the upper surface of the bottom plate (1) close to the positioning plate (11), vertically arranged sliding blocks (31) are fixedly arranged at two ends of the bending plate (3), a first fixing block (32) is fixedly arranged on one side of the bottom plate (1) close to the sliding blocks (31), a first screw rod (33) is rotatably inserted in the first fixing block (32), and one end of the first screw rod (33) is rotatably arranged on the sliding blocks (31).

5. The pin bending device for processing the nano silver paste IGBT as claimed in claim 4, wherein two symmetrically distributed and vertically arranged support rods (34) are fixedly arranged at one end of the upper surface of the bottom plate (1) far away from the positioning plate (11), a moving plate (35) is arranged at one side of the two support rods (34) facing the positioning plate (11) in a vertical sliding mode, a bending piece (36) is arranged at the lower surface of the moving plate (35), a second fixed block (37) is fixedly arranged at one end, close to the support rods (34), of the lower surface of the moving plate (35), a second lead screw (38) is rotatably inserted into the second fixed block (37), and one end of the second lead screw (38) is rotatably arranged on the bending piece (36).

6. The pin bending device for processing the nano-silver paste IGBT according to claim 5, wherein a bearing (39) is fixedly arranged on the sliding block (31) and the bending piece (36), and the end parts of the first lead screw (33) and the second lead screw (38) are fixedly connected to the inner ring of the bearing (39).

7. The pin bending device for processing the nano silver paste IGBT according to claim 5, wherein a horizontally arranged vertical plate (40) is fixedly arranged at the upper ends of the two support rods (34), an air cylinder (41) is fixedly arranged on the lower surface of the vertical plate (40), and the output end of the air cylinder (41) is fixedly connected to the movable upper surface.