CN219112742U

CN219112742U - IGBT pin bending equipment

Info

Publication number: CN219112742U
Application number: CN202223468730.3U
Authority: CN
Inventors: 叶一豪; 牛敬彬; 陈雷; 张臻
Original assignee: Jiangsu Shouzhi New Energy Technology Co ltd
Current assignee: Jiangsu Shouzhi New Energy Technology Co ltd
Priority date: 2022-12-26
Filing date: 2022-12-26
Publication date: 2023-06-02
Anticipated expiration: 2032-12-26

Abstract

The utility model discloses IGBT pin bending equipment, which comprises a base, and a feeding tray, a feeding mechanism, a pre-bending mechanism, a turntable and a discharging mechanism which are arranged on the base, wherein the feeding tray is used for placing an IGBT of a pin to be bent; the feeding mechanism is arranged between the feeding tray and the feeding mechanism and is used for feeding the IGBT at the feeding tray to the feeding mechanism through vibration; a plurality of IGBT positioning tools are sequentially and uniformly arranged on the turntable along the circumferential direction, and the feeding mechanism is used for feeding the IGBT to the IGBT positioning tools; the pre-bending mechanism and the bending mechanism are sequentially arranged along the rotating direction of the turntable and are fixed with the base. This IGBT pin equipment of bending, through setting up the mechanism of bending in advance, before bending the mechanism bends the IGBT, bend the processing in advance to the IGBT, reduced the damage to the IGBT pin in the process of bending to the reliability of IGBT has been improved.

Description

IGBT pin bending equipment

Technical Field

The utility model relates to IGBT pin bending equipment, and belongs to the technical field of electronics.

Background

IGBT bending is widely applied to fields such as household appliances, industry, automobiles, military industry and the like. The IGBT pin bending equipment is an indispensable scheme in shaping the IGBT pins of electronic devices, has good reliability, high efficiency, good bent IGBT consistency and high bent IGBT reliability, can definitely bring great benefits to mass production projects, and provides certain help for product development and sales markets.

In the prior art, IGBT bending equipment cannot automatically produce to influence production efficiency, and the IGBT is bent to 90 degrees at one time to easily damage pins of the IGBT, so that reliability of the IGBT is influenced, and bent IGBT is poor in consistency, and time and labor are wasted in subsequent assembly.

Therefore, in order to solve the above technical problems and avoid the damage of the IGBT pins, an IGBT pin bending device is needed.

The information disclosed in this background section is only for enhancement of understanding of the general background of the utility model and should not be taken as an acknowledgement or any form of suggestion that this information forms the prior art already known to a person of ordinary skill in the art.

Disclosure of Invention

The utility model aims to overcome the defects in the prior art, and provides IGBT pin bending equipment, which is provided with a pre-bending mechanism, so that the IGBT is subjected to pre-bending treatment before being bent by the bending mechanism, the damage to the IGBT pins in the bending process is reduced, and the reliability of the IGBT is improved.

In order to achieve the above purpose/solve the above technical problems, the present utility model is realized by adopting the following technical scheme: an IGBT pin bending device comprises a base, a feeding tray, a feeding mechanism, a pre-bending mechanism, a turntable and a discharging mechanism which are arranged on the base,

the feeding tray is used for placing the IGBT of the pin to be bent;

the feeding mechanism is arranged between the feeding tray and the feeding mechanism and is used for feeding the IGBT at the feeding tray to the feeding mechanism through vibration;

a plurality of IGBT positioning tools are sequentially and uniformly arranged on the turntable along the circumferential direction, and the feeding mechanism is used for feeding the IGBT to the IGBT positioning tools;

the pre-bending mechanism and the bending mechanism are sequentially arranged along the rotating direction of the turntable and are fixed with the base, and when the turntable rotates to the position that the IGBT in the IGBT positioning tool is positioned below the pre-bending mechanism or the bending mechanism, the pre-bending mechanism and the bending mechanism respectively pre-bend and bend the IGBT;

the blanking mechanism is arranged on one side, far away from the pre-bending mechanism, of the bending mechanism and is used for blanking the IGBT with the pins bent at the material taking position to the assembly line for assembly.

Further, the pre-bending mechanism comprises a first bending mechanism and a second bending mechanism;

the first bending mechanism and the second bending mechanism are sequentially arranged along the rotating direction of the turntable and are respectively used for pre-bending the IGBT to an angle of 30 degrees and an angle of 60 degrees.

Further, the bending mechanism comprises a bending mechanism III, and the bending mechanism III is used for bending the IGBT to an angle of 90 degrees.

Further, the material taking position is arranged above the turntable and is positioned at one side of the bending mechanism far away from the pre-bending mechanism;

a sensor is arranged at the material taking position and is respectively in signal connection with the blanking mechanism and the first driving mechanism of the turntable; if the sensor detects that the material taking position has no IGBT, the turntable rotates, and if the sensor detects that the material taking position has the IGBT, the blanking mechanism takes out the bent IGBT and places the bent IGBT on a production line for assembly.

Further, the feeding mechanism comprises a two-axis robot, and the discharging mechanism comprises a four-axis robot.

Further, the feeding mechanism comprises a vibrating device.

Further, the number of the IGBT positioning tools is seven.

Further, a sensor is arranged at the IGBT positioning tool.

Further, a plurality of strip-shaped areas are arranged in the feeding tray and used for placing the IGBT of the pin to be bent.

Further, the device also comprises a second driving mechanism and a guide rail;

the guide rail is arranged between the feeding mechanism and the feeding tray and is arranged along the radial direction of the feeding mechanism;

the second driving mechanism is arranged between the feeding tray and the base and is used for driving the feeding tray to move along the guide rail so as to enable the strip-shaped area with the IGBT in the feeding tray to move to the side face of the feeding mechanism.

Compared with the prior art, the utility model has the beneficial effects that:

according to the IGBT pin bending equipment, the pre-bending mechanism is arranged, and the IGBT is subjected to pre-bending treatment before being bent by the bending mechanism, so that damage to the IGBT pin in the bending process is reduced, and the reliability of the IGBT is improved;

according to the IGBT pin bending equipment provided by the utility model, the feeding tray is obliquely arranged, and the feeding mechanism is arranged on the lower side of the feeding tray, so that the feeding tray can conveniently feed to the feeding mechanism under the action of vibration of the feeding mechanism;

according to the IGBT pin bending equipment, the first driving mechanism and the guide rail are arranged, so that the feeding tray can be moved to meet the feeding requirement of the feeding mechanism;

according to the IGBT pin bending equipment, the sensor is arranged at the position of the IGBT positioning tool and the material taking position and is matched with the first driving mechanism, the feeding mechanism and the discharging mechanism of the turntable, so that the automatic bending function is realized, the reliability is good, the bent IGBT is good in consistency and reliability, the production beat is improved, and the production cost is reduced.

Drawings

Fig. 1 is an IGBT pin bending apparatus provided in the first embodiment;

fig. 2 is a schematic diagram of a bending process of an IGBT under the action of the IGBT pin bending apparatus provided in the first embodiment.

In the figure: 1. a loading tray; 2. a feed mechanism; 3. a two-axis robot; 4. a turntable; 5. a first bending mechanism; 6. a second bending mechanism; 7. a bending mechanism III; 8. a four-axis robot; 9. IGBT positioning tool; 10. a material taking position; 11. a second driving mechanism; 12. and a guide rail.

Detailed Description

The utility model is further described below with reference to the accompanying drawings. The following examples are only for more clearly illustrating the technical aspects of the present utility model, and are not intended to limit the scope of the present utility model.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second", etc. may explicitly or implicitly include one or more such feature. In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art in a specific case.

Embodiment one:

as shown in fig. 1, the embodiment provides an IGBT pin bending apparatus, which comprises a base, a feeding tray 1, a feeding mechanism 2, a feeding mechanism, a pre-bending mechanism, a turntable 4 and a discharging mechanism, wherein the feeding tray is arranged on the base,

the feeding tray 1 is obliquely arranged and is used for placing IGBT of pins to be bent;

the feeding mechanism 2 is arranged between the feeding tray 1 and the feeding mechanism and is used for feeding the IGBT at the feeding tray 1 to the feeding mechanism through vibration;

a plurality of IGBT positioning tools 9 are sequentially and uniformly arranged on the turntable 4 along the circumferential direction, and the feeding mechanism is used for feeding the IGBT to the IGBT positioning tools 9;

the pre-bending mechanism and the bending mechanism are sequentially arranged along the rotating direction of the turntable 4 and are fixed with the base, and when the turntable 4 rotates to the position that the IGBT in the IGBT positioning tool 9 is positioned below the pre-bending mechanism or the bending mechanism, the pre-bending mechanism and the bending mechanism respectively pre-bend and bend the IGBT;

the blanking mechanism is arranged on one side, far away from the pre-bending mechanism, of the bending mechanism and is used for blanking the IGBT with the pins bent to the assembly line at the material taking position 10 for assembly.

In the above technical solution, the turntable 4 is driven to rotate by the first driving mechanism, and in this embodiment, the first driving mechanism drives the turntable 4 in a motor driving manner.

In this embodiment, the feeding tray 1 is obliquely arranged, and the feeding mechanism 2 is arranged at a lower side of the feeding tray 1, so that the feeding tray 1 can conveniently feed to the feeding mechanism 2 under the action of vibration of the feeding mechanism 2.

In some embodiments, to achieve the pre-bending of the IGBT pins by the pre-bending mechanism, the pre-bending mechanism includes a first bending mechanism 5 and a second bending mechanism 6;

the first bending mechanism 5 and the second bending mechanism 6 are sequentially arranged along the rotating direction of the turntable 4 and are respectively used for pre-bending pins of the IGBT to an angle of 30 degrees and 60 degrees.

In some embodiments, to achieve bending of the IGBT by the bending mechanism, the bending mechanism includes a bending mechanism three 7, where the bending mechanism three 7 is used to bend the IGBT to an angle of 90 °.

In this embodiment, the rotating disc 4 rotates clockwise, so the first bending mechanism 5, the second bending mechanism 6 and the third bending mechanism 7 are sequentially arranged above the rotating disc 4 in the clockwise direction, and thus 30 ° pre-bending, 60 ° pre-bending and 90 ° bending of the IGBT are sequentially realized, and the bending process of the IGBT pins is shown in fig. 2.

In some embodiments, to achieve the auxiliary blanking of the blanking mechanism by the material taking position 10, the material taking position 10 is disposed above the turntable 4 and is located at a side of the bending mechanism away from the pre-bending mechanism;

in order to realize automatic matching between the discharging mechanism and the material taking position 10 and between the discharging mechanism and the rotary table 4, a sensor is arranged at the material taking position 10 and used for detecting whether an IGBT exists at the material taking position 10, and the sensor is respectively connected with the discharging mechanism and a first driving mechanism of the rotary table 4 in a signal manner; the specific matching relation is as follows: if the sensor detects that the material taking position 10 is not provided with an IGBT, the turntable 4 rotates, and if the sensor detects that the material taking position 10 is provided with an IGBT, the blanking mechanism takes out the bent IGBT and places the bent IGBT on a production line for assembly, wherein the sensor is an optical sensor.

In some embodiments, in order to realize loading and unloading of the IGBT by the loading mechanism and the unloading mechanism, the loading mechanism includes a two-axis robot 3, and the unloading mechanism includes a four-axis robot 8.

In some embodiments, to achieve a vibratory feeding of the IGBT by the feeding mechanism 2, the feeding mechanism 2 comprises a vibratory device.

In some embodiments, in order to meet the positioning requirements of the IGBTs under different conditions, the number of the IGBT positioning tools 9 in the present embodiment is seven; but is not limited thereto and may be other amounts based on actual needs.

In some embodiments, a sensor is arranged at the IGBT positioning tool 9, and is used for detecting whether an IGBT exists at the IGBT positioning tool 9 and is in signal connection with the feeding mechanism; if the IGBT positioning tool 9 is not provided with an IGBT, the IGBT is taken from the fixed position of the feeding mechanism by the two-axis robot 3 and placed in the IGBT positioning tool 9 on the turntable 4, and the sensor is an optical sensor.

In some embodiments, in order to realize the placement of the feeding tray 1 on the IGBTs, a plurality of strip-shaped areas are provided in the feeding tray 1, and the strip-shaped areas are used for placing the IGBTs of the pins to be bent.

In some embodiments, to enable the feeding tray 1 to move to meet the feeding requirement of the feeding mechanism 2, the feeding mechanism further includes a second driving mechanism 11 and a guide rail 12;

the guide rail 12 is arranged between the feeding mechanism 2 and the feeding tray 1 and is arranged along the radial direction of the feeding mechanism 2;

the second driving mechanism 11 is arranged between the feeding tray 1 and the base and is used for driving the feeding tray 1 to move along the guide rail 12 so as to enable the strip-shaped area with the IGBT in the feeding tray 1 to move to the side surface of the feeding mechanism 2; in this embodiment, the second driving mechanism 11 may select a mode of matching an air cylinder with a sliding seat, where one end of the sliding seat is slidably connected with the base, the other end of the sliding seat is fixed with the feeding tray 1, the air cylinder is fixed with the base, the extension end of the air cylinder is fixed with the sliding seat, and the movement of the feeding tray 1 is realized by extension and contraction of the extension end of the air cylinder; but not limited thereto, other ways may be chosen to achieve the movement of the loading tray 1, such as: and the screw rod is matched with the screw rod motor.

In summary, according to the IGBT pin bending device provided in this embodiment, by setting the pre-bending mechanism, the IGBT is subjected to the pre-bending treatment before the bending mechanism bends the IGBT, so that damage to the IGBT pin in the bending process is reduced, and the reliability of the IGBT is improved; the feeding tray 1 is obliquely arranged, and the feeding mechanism 2 is arranged on the lower side of the feeding tray 1, so that the feeding tray 1 can conveniently feed to the feeding mechanism 2 under the action of vibration of the feeding mechanism 2; through the arrangement of the second driving mechanism 11 and the guide rail 12, the movement of the feeding tray 1 can be realized to meet the feeding requirement of the feeding mechanism 2; through setting up the sensor in IGBT location frock 9 and getting material position 10 department to cooperate with the first actuating mechanism, feed mechanism and the unloading mechanism of carousel 4, realized that the automation is bent the function, reliability is good, IGBT uniformity after bending is good, the reliability is good, improved production beat, reduced manufacturing cost.

The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that modifications and variations could be made by those skilled in the art without departing from the technical principles of the present utility model, and such modifications and variations should also be regarded as being within the scope of the utility model.

Claims

1. The IGBT pin bending equipment is characterized by comprising a base, a feeding tray (1), a feeding mechanism (2), a feeding mechanism, a pre-bending mechanism, a turntable (4) and a discharging mechanism, wherein the feeding tray is arranged on the base,

the feeding tray (1) is used for placing IGBT of pins to be bent;

the feeding mechanism (2) is arranged between the feeding tray (1) and the feeding mechanism and is used for feeding the IGBT at the feeding tray (1) to the feeding mechanism through vibration;

a plurality of IGBT positioning tools (9) are sequentially and uniformly arranged on the turntable (4) along the circumferential direction, and the feeding mechanism is used for feeding the IGBT to the IGBT positioning tools (9);

the pre-bending mechanism and the bending mechanism are sequentially arranged along the rotating direction of the turntable (4) and are fixed with the base, and when the turntable (4) rotates to the position that the IGBT in the IGBT positioning tool (9) is positioned below the pre-bending mechanism or the bending mechanism, the pre-bending mechanism and the bending mechanism respectively pre-bend and bend the IGBT;

the blanking mechanism is arranged on one side, far away from the pre-bending mechanism, of the bending mechanism and is used for blanking the IGBT with the bent pins at the material taking position (10) to the assembly line for assembly.

2. The IGBT pin bending apparatus according to claim 1, wherein the pre-bending mechanism includes a first bending mechanism (5) and a second bending mechanism (6);

the first bending mechanism (5) and the second bending mechanism (6) are sequentially arranged along the rotating direction of the turntable (4) and are respectively used for pre-bending the IGBT to an angle of 30 degrees and an angle of 60 degrees.

3. The IGBT pin bending apparatus according to claim 2, wherein the bending mechanism comprises a bending mechanism three (7), the bending mechanism three (7) being for bending the IGBT to an angle of 90 °.

4. The IGBT pin bending equipment according to claim 1, wherein the material taking position (10) is arranged above the turntable (4) and is positioned at one side of the bending mechanism away from the pre-bending mechanism;

a sensor is arranged at the material taking position (10), and the sensor is respectively connected with the blanking mechanism and a first driving mechanism of the turntable (4) in a signal manner; if the sensor detects that the material taking position (10) is not provided with an IGBT, the turntable (4) rotates, and if the sensor detects that the material taking position (10) is provided with an IGBT, the blanking mechanism blanking the bent IGBT onto the assembly line for assembly.

5. The IGBT pin bending apparatus according to claim 1, wherein the loading mechanism comprises a two-axis robot (3) and the unloading mechanism comprises a four-axis robot (8).

6. IGBT pin bending apparatus according to claim 1, characterized in that the feed mechanism (2) comprises a vibrating device.

7. The IGBT pin bending equipment according to claim 1, characterized in that the number of IGBT positioning fixtures (9) is seven.

8. The IGBT pin bending equipment according to claim 1 or 7, characterized in that the IGBT positioning tooling (9) is provided with a sensor.

9. The IGBT pin bending equipment according to claim 1, wherein a plurality of strip-shaped areas are arranged in the feeding tray (1) and are used for placing the IGBT of the pins to be bent.

10. The IGBT pin bending apparatus according to claim 9, further comprising a second drive mechanism (11) and a guide rail (12);

the guide rail (12) is arranged between the feeding mechanism (2) and the feeding tray (1) and is arranged along the radial direction of the feeding mechanism (2);

the second driving mechanism (11) is arranged between the feeding tray (1) and the base and is used for driving the feeding tray (1) to move along the guide rail (12) so as to enable the strip-shaped area with the IGBT in the feeding tray (1) to move to the side face of the feeding mechanism (2).