Bending and forming equipment for IGBT (Insulated Gate Bipolar Translator) wire pins

Abstract

The utility model belongs to the field of IGBT wire pin bending, and particularly relates to IGBT wire pin bending forming equipment which comprises a bottom plate, a connecting frame is fixedly connected to the top of the bottom plate, a fixing table is fixedly connected to the top of the connecting frame, an installation plate is fixedly connected to one side of the connecting frame, and a bending mechanism and a conveying mechanism are arranged at the top of the bottom plate. According to the IGBT wire pin bending device, the rotating ring block is driven to rotate through operation of the servo motor, the rotating wheel and the bending block are pushed to move up and down through rotation of the rotating ring block, bending of IGBT wire pins is achieved, meanwhile, the rotating ring block rotates to drive the threaded rod to rotate through the rotating rod, and moving of the sliding plate is achieved; according to the IGBT wire leg bending device, the sliding plate is arranged on the sliding plate, so that the sliding plate can continuously convey an IGBT, when a worker needs to bend wire legs of the IGBT, convenience can be enough, the bending efficiency is improved, meanwhile, when the wire legs of the IGBT are bent, a large space is not prone to being occupied, and then the influence caused when other devices are placed is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to IGBT pin bending field, specifically a kind of IGBT pin bending forming equipment. BACKGROUND

[0002] IGBT, full name is insulated gate bipolar transistor, is a kind of high-performance power semiconductor device, GBT combines the characteristics of metal-oxide-semiconductor field effect transistor and bipolar transistor (BJT), forms a kind of composite full-control voltage drive type power semiconductor device, it has two aspects of advantages of high input impedance and low on-voltage drop, and inherits the voltage control characteristic of MOSFET and the current amplification characteristic of BJT, IGBT pin, usually called pin, is the interface of IGBT module and external circuit connection, IGBT module is a kind of commonly used power semiconductor device, is widely used in various power electronic systems;

[0003] In prior art, IGBT is usually used in multiple fields, for example: new energy automobile, household appliance etc., has the effect of electric energy conversion and regulation, fast switching, high efficiency energy saving, and in order to make IGBT applicable to equipment of different size, specification, usually the pin of IGBT is bent, increases its adaptability, but the part of existing IGBT pin bending equipment needs staff to bend IGBT pin one by one, which makes the IGBT pin bending efficiency lower, and if automatic pin bending machine is used, it needs to occupy larger space, not only higher cost, and it is easy to cause larger space occupation, and cause influence to the placement of other equipment. UTILITY MODEL CONTENTS

[0004] In order to make up for the deficiency of prior art, the part of existing IGBT pin bending equipment needs staff to bend IGBT pin one by one, which makes the IGBT pin bending efficiency lower, and if automatic pin bending machine is used, it needs to occupy larger space, not only higher cost, and it is easy to cause larger space occupation, and cause influence to the placement of other equipment, etc. The utility model provides a kind of IGBT pin bending forming equipment.

[0005] The utility model solves the technical scheme that the technical scheme that it adopts is as follows: a kind of IGBT pin bending forming equipment, including bottom plate, the top of the bottom plate is fixedly connected with connecting frame, the top of the connecting frame is fixedly connected with fixed table, the side of the connecting frame is fixedly connected with mounting plate, the top of the bottom plate is provided with bending mechanism and conveying mechanism;

[0006] The bending mechanism comprises a servo motor, one side of the servo motor is fixedly connected with one side of a mounting plate, one side of the servo motor penetrates through the mounting plate and is fixedly connected with a rotating ring block, a cam groove is formed in one side of the rotating ring block, a sliding rod is slidably connected in the inner cavity of the fixed table, a moving plate is fixedly connected to the surface of the sliding rod, a bending block is fixedly connected to the bottom of the moving plate, a sliding plate is slidably connected in the inner cavity of the fixed table, a bending groove is formed in the top of the sliding plate, a connecting plate is fixedly connected to one end of the sliding rod, a fixed rod is fixedly connected to one side of the connecting plate, a rotating wheel is rotatably connected to the surface of the fixed rod, and the surface of the rotating wheel is slidably connected with the inner cavity of the cam groove.

[0007] Preferably, the conveying mechanism comprises a threaded rod, one end of the threaded rod is rotatably connected with one side of the fixed table, a threaded block is fixedly connected to the bottom of the sliding plate, the inner cavity of the threaded block is threadedly connected with the surface of the threaded rod, and the surface of the threaded rod is provided with a linkage assembly.

[0008] Preferably, the linkage assembly comprises a rotating rod, one end of the rotating rod is fixedly connected with one side of the rotating ring block, a driving gear is fixedly connected to the surface of the rotating rod, a driven gear is fixedly connected to the surface of the threaded rod, and the surfaces of the driven gear and the driving gear are transmissionally connected with an internal tooth chain, and the teeth of the internal tooth chain are meshed with the teeth of the driven gear and the driving gear.

[0009] Preferably, the inner cavity of the fixed table is provided with a limiting groove, one side of the sliding plate is fixedly connected with a limiting plate, and the surface of the limiting plate is slidably connected with the inner cavity of the limiting groove.

[0010] Preferably, the top of the bottom plate is fixedly connected with a reinforcing plate, and the inner cavity of the reinforcing plate is rotatably connected with the surface of the rotating rod.

[0011] Preferably, one side of the fixed table is fixedly connected with a limiting ring block, and the inner cavity of the limiting ring block is rotatably connected with the surface of the threaded rod.

[0012] Preferably, the bottom of the moving plate is fixedly connected with a limiting rod, the top of the fixed table is fixedly connected with a limiting sleeve, and the surface of the limiting rod is slidably connected with the inner cavity of the limiting sleeve.

[0013] The utility model discloses the advantages are as follows:

[0014] The utility model discloses a servo motor's operation drives rotary ring block to rotate, and utilize the rotation of rotary ring block to push rotary wheel and the bending block to move up and down, realize the bending of IGBT pin, and the rotation of rotary ring block still can drive screw rod to rotate through rotary rod, realize the movement of sliding plate, make sliding plate can continuously convey IGBT, reached when the staff needs the pin of IGBT to bend, can be enough convenient, improved the bending efficiency, simultaneously when bending the pin of IGBT, it is not easy to occupy larger space, and then reduced the influence caused when the other equipment is placed, solved the part equipment of the pin bending of IGBT of part to IGBT, need staff to bend IGBT pin one by one, this makes the pin bending efficiency of IGBT be lower, and if adopting automatic type pin bending machine, then need to occupy larger space, not only cost is higher, and easy to be because of the occupation space is larger, the placement of other equipment causes the problem such as influence. BRIEF DESCRIPTION OF DRAWINGS

[0015] In order to more clearly illustrate the technical scheme in the embodiment of the utility model or prior art, the following will be briefly introduced the drawing needed to be used in the embodiment or prior art description, obviously, the drawing in the following description only some embodiments of the utility model, for ordinary skilled person in the art, under the premise of not paying creative labor, can also obtain other drawings according to these drawings.

[0016] Figure 1 It is the structural diagram of rotating rod and connecting frame of the utility model;

[0017] Figure 2 It is the structural diagram of mounting plate and servo motor of the utility model;

[0018] Figure 3 It is the structural diagram of screw block and cam groove of the utility model;

[0019] Figure 4 It is the structural diagram of limiting groove and rotary wheel of the utility model;

[0020] Figure 5 It is the structural diagram of driving gear and limiting groove of the utility model.

[0021] In the diagram: 1. Base plate; 2. Connecting frame; 3. Fixed platform; 4. Mounting plate; 5. Bending mechanism; 501. Servo motor; 502. Rotating ring block; 503. Cam groove; 504. Slide rod; 505. Moving plate; 506. Bending block; 507. Slide plate; 508. Bending groove; 509. Connecting plate; 510. Fixed rod; 511. Rotating wheel; 6. Conveying mechanism; 601. Threaded rod; 602. Threaded block; 603. Linkage assembly; 6031. Rotating rod; 6032. Drive gear; 6033. Driven gear; 6034. Internal gear chain; 7. Limiting ring block; 8. Limiting plate; 9. Limiting groove; 10. Limiting sleeve; 11. Limiting rod; 12. Reinforcing plate. Detailed Implementation

[0022] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the scope of protection of the present utility model.

[0023] The following is in conjunction with the appendix Figures 1-5 This application will be described in further detail.

[0024] This application discloses an IGBT lead bending and forming device. (Refer to...) Figure 1 and Figure 3 An IGBT lead bending and forming equipment includes a base plate 1, a connecting frame 2 fixedly connected to the top of the base plate 1, a fixed platform 3 fixedly connected to the top of the connecting frame 2, an mounting plate 4 fixedly connected to one side of the connecting frame 2, and a bending mechanism 5 and a conveying mechanism 6 provided on the top of the base plate 1.

[0025] The bending mechanism 5 includes a servo motor 501. One side of the servo motor 501 is fixedly connected to one side of the mounting plate 4. One side of the servo motor 501 passes through the mounting plate 4 and is fixedly connected to a rotating ring block 502. A cam groove 503 is provided on one side of the rotating ring block 502. A slide rod 504 is slidably connected to the inner cavity of the fixed platform 3. A moving plate 505 is fixedly connected to the surface of the slide rod 504. A bending block 506 is fixedly connected to the bottom of the moving plate 505. A slide plate 507 is slidably connected to the inner cavity of the fixed platform 3. A bending groove 508 is provided on the top of the slide plate 507. A connecting plate 509 is fixedly connected to one end of the slide rod 504. A fixing rod 510 is fixedly connected to one side of the connecting plate 509. A rotating wheel 511 is rotatably connected to the surface of the fixing rod 510. The surface of the rotating wheel 511 is slidably connected to the inner cavity of the cam groove 503.

[0026] The bottom plate 1 can be installed and fixed to the fixed table 3 and the mounting plate 4 through the connecting frame 2, and the mounting plate 4 can be connected to the servo motor 501, which can drive the rotating ring block 502 to rotate when in operation. The cam groove 503 formed on one side of the rotating ring block 502 is similar in shape to a cam. The fixed table 3 can be installed and fixed to the moving plate 505 and the connecting plate 509 through the slide rod 504. The bent block 506 connected to the bottom of the moving plate 505 can press and bend the IGBT pin that needs to be bent. The connecting plate 509 can be connected to the rotating wheel 511 through the fixed rod 510.

[0027] In addition, the rotating wheel 511 slides in the cam groove 503, so that when the rotating ring block 502 rotates, it can smoothly drive the rotating wheel 511 and the connecting plate 509 to move up and down through the cam groove 503. The bending groove 508 formed on the top of the slide plate 507 can be used to place the IGBT that needs to be bent, thereby realizing subsequent bending of the IGBT pin. The rotating ring block 502 can drive the connecting plate 509 to move the moving plate 505 and the bending block 506 up and down reciprocally by rotating itself, thereby realizing continuous bending of the IGBT pin.

[0028] Referring to Figure 3 and Figure 5 , the conveying mechanism 6 includes a threaded rod 601, one end of which is rotatably connected to one side of the fixed table 3. The bottom of the slide plate 507 is fixedly connected with a threaded block 602, and the inner cavity of the threaded block 602 is threadedly connected with the surface of the threaded rod 601. The surface of the threaded rod 601 is provided with a linkage assembly 603. When the threaded rod 601 rotates, it can drive the slide plate 507 to move through the threaded connection between itself and the threaded block 602. When the slide plate 507 moves, it can realize conveying of the IGBT through the up-and-down reciprocating movement of the bending block 506, so that the bending block 506 can continuously bend the pin of the IGBT, improving the efficiency of the bending block 506 when bending.

[0029] Referring to Figure 5The linkage assembly 603 comprises a rotating rod 6031, one end of the rotating rod 6031 is fixedly connected with one side of the rotating ring block 502, the surface of the rotating rod 6031 is fixedly connected with a driving gear 6032, the surface of the threaded rod 601 is fixedly connected with a driven gear 6033, the surface transmission connection of the driven gear 6033 and the driving gear 6032 is provided with an inner tooth chain 6034, the teeth of the inner tooth chain 6034 are meshed with the teeth of the driven gear 6033 and the driving gear 6032, the rotating ring block 502 can be installed and fixed to the driving gear 6032 through the rotating rod 6031, and the threaded rod 601 can be connected to the driven gear 6033, and because the inner tooth chain 6034 is meshed with the driving gear 6032 and the driven gear 6033, when the rotating rod 6031 rotates through the rotation of the rotating ring block 502, the rotating rod 6031 can smoothly drive the driven gear 6033 to rotate through the inner tooth chain 6034, and the driven gear 6033 can rotate the threaded rod 601 and the sliding plate 507 to convey the IGBT when rotating, and the rotating rod 6031 is coaxially arranged with the output end of the servo motor 501, which makes the rotating rod 6031 not easy to shake or swing when rotating.

[0030] With reference to Figure 3 and Figure 4 , the inner cavity of the fixed table 3 is provided with a limiting groove 9, one side of the sliding plate 507 is fixedly connected with a limiting plate 8, the surface of the limiting plate 8 is slidably connected with the inner cavity of the limiting groove 9, the limiting groove 9 can limit the movement of the sliding plate 507 through the limiting plate 8, so that the movement of the sliding plate 507 is not easy to shake or slightly rotate when moving through the rotation of the threaded rod 601, and the stability of the sliding plate 507 when conveying the IGBT is increased.

[0031] With reference to Figure 1 and Figure 3 , the top of the bottom plate 1 is fixedly connected with a reinforcing plate 12, the inner cavity of the reinforcing plate 12 is rotationally connected with the surface of the rotating rod 6031, and the reinforcing plate 12 can support and limit the rotating rod 6031 through the connection relationship between itself and the bottom plate 1, so that the rotating rod 6031 is not easy to incline or shake when rotating and using, and the stability of the linkage assembly 603 when rotating and using is greatly increased.

[0032] With reference to Figure 3 and Figure 5The side of the fixed table 3 is fixedly connected with a limiting ring block 7, the inner cavity of the limiting ring block 7 is rotatably connected with the surface of the threaded rod 601, the limiting ring block 7 can also limit and fix the threaded rod 601 through the connecting relationship between the limiting ring block 7 and the fixed table 3, so that the threaded rod 601 is not easy to incline or shake when rotating, and the stability of the driving gear 6032, the driven gear 6033 and the inner tooth chain 6034 during transmission is greatly increased.

[0033] With reference to Figure 2 And Figure 3 The bottom of the moving plate 505 is fixedly connected with a limiting rod 11, the top of the fixed table 3 is fixedly connected with a limiting sleeve 10, the surface of the limiting rod 11 is slidably connected with the inner cavity of the limiting sleeve 10, and the limiting sleeve 10 can limit the moving plate 505 through the limiting rod 11, so that the moving plate 505 is stable enough when moving up and down along with the sliding rod 504 and is not easy to deviate.

[0034] Working principle: when the device is used, the staff can place the IGBT to be bent into the inside of the sliding plate 507, and start the servo motor 501 after placing, the servo motor 501 will smoothly drive the rotating ring block 502 to rotate when working, the rotating ring block 502 can drive the driving gear 6032 to rotate through the rotating rod 6031 when rotating, and the rotation of the rotating ring block 502 can smoothly push the connecting plate 509 through the rotating wheel 511, the connecting plate 509 will drive the moving plate 505 and the bending block 506 to move downward when being pushed, the bending block 506 can bend the IGBT pin placed in the bending groove 508 when moving downward, the moving plate 505 and the bending block 506 can realize continuous reciprocating motion through the continuous rotation of the rotating ring block 502, and the driving gear 6032 driven by the threaded block 602 can smoothly drive the threaded rod 601 to rotate through the driven gear 6033 and the inner tooth chain 6034, the threaded rod 601 can effectively drive the sliding plate 507 to move through the threaded block 602 when rotating, the continuous conveying of the IGBT placed in the bending groove 508 is realized through the movement of the sliding plate 507, and the bending of the IGBT pin is realized, the staff can take out the bent IGBT when the sliding plate 507 moves to the farthest distance, and place the IGBT to be bent into the bending groove 508 again, the bending of the IGBT pin is continued through the reverse start of the servo motor 501, and the bending of the IGBT pin can be realized through repeated operation.

[0035] The basic principle, main features and advantages of the present application are shown and described above. Those skilled in the art should understand that the present application is not limited by the above examples, and the above examples and descriptions in the specification are only to illustrate the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the claimed present application.

Claims

1. An IGBT leg bending forming apparatus, characterized by: Including the bottom plate (1), the top of the bottom plate (1) is fixedly connected with the connecting frame (2), the top of the connecting frame (2) is fixedly connected with the fixed table (3), one side of the connecting frame (2) is fixedly connected with the mounting plate (4), the top of the bottom plate (1) is provided with a bending mechanism (5) and a conveying mechanism (6); The bending mechanism (5) includes a servo motor (501), one side of the servo motor (501) is fixedly connected with one side of the mounting plate (4), one side of the servo motor (501) penetrates through the mounting plate (4) and is fixedly connected with a rotating ring block (502), one side of the rotating ring block (502) is provided with a cam groove (503), the inner cavity of the fixed table (3) is slidably connected with a sliding rod (504), the surface of the sliding rod (504) is fixedly connected with a moving plate (505), the bottom of the moving plate (505) is fixedly connected with a bending block (506), the inner cavity of the fixed table (3) is slidably connected with a sliding plate (507), the top of the sliding plate (507) is provided with a bending groove (508), one end of the sliding rod (504) is fixedly connected with a connecting plate (509), one side of the connecting plate (509) is fixedly connected with a fixed rod (510), the surface of the fixed rod (510) is rotatably connected with a rotating wheel (511), the surface of the rotating wheel (511) is slidably connected with the inner cavity of the cam groove (503).

2. The IGBT pin bending forming apparatus according to claim 1, characterized in that: The conveying mechanism (6) includes a threaded rod (601), one end of the threaded rod (601) is rotatably connected with one side of the fixed table (3), the bottom of the sliding plate (507) is fixedly connected with a threaded block (602), the inner cavity of the threaded block (602) is threadedly connected with the surface of the threaded rod (601), the surface of the threaded rod (601) is provided with a linkage assembly (603).

3. The IGBT pin bending forming apparatus according to claim 2, characterized in that: The linkage assembly (603) includes a rotating rod (6031), one end of the rotating rod (6031) is fixedly connected with one side of the rotating ring block (502), the surface of the rotating rod (6031) is fixedly connected with a driving gear (6032), the surface of the threaded rod (601) is fixedly connected with a driven gear (6033), the surfaces of the driven gear (6033) and the driving gear (6032) are drivingly connected with an internal tooth chain (6034), the teeth of the internal tooth chain (6034) are meshed with the teeth of the driven gear (6033) and the driving gear (6032).

4. The IGBT pin bending forming apparatus according to claim 3, characterized in that: The inner cavity of the fixed table (3) is provided with a limiting groove (9), one side of the sliding plate (507) is fixedly connected with a limiting plate (8), the surface of the limiting plate (8) is slidably connected with the inner cavity of the limiting groove (9).

5. The IGBT pin bending forming apparatus according to claim 4, characterized in that: The top of the bottom plate (1) is fixedly connected with a reinforcing plate (12), the inner cavity of the reinforcing plate (12) is rotatably connected with the surface of the rotating rod (6031).

6. The IGBT pin bending forming apparatus according to claim 5, wherein: One side of the fixed table (3) is fixedly connected with a limiting ring block (7), the inner cavity of the limiting ring block (7) is rotatably connected with the surface of the threaded rod (601).

7. The IGBT pin bending forming apparatus according to claim 4, characterized in that: The bottom of the moving plate (505) is fixedly connected with a limiting rod (11), and the top of the fixed table (3) is fixedly connected with a limiting sleeve (10), and the surface of the limiting rod (11) is in sliding connection with the inner cavity of the limiting sleeve (10).

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