Continuous bending device for IGBT (Insulated Gate Bipolar Translator) electronic component terminal

Abstract

The utility model provides a continuous bending device for an IGBT electronic component terminal. The continuous bending device comprises a base, an IGBT material pipe, a material guiding groove pipe, a connecting transition block, a bending module and a material blocking mechanism. The bending module is installed on the inclined installation face of the base, and the fixed bending die and the movable bending die are located on the two sides of the lower portion of the guide groove pipe correspondingly. The IGBT material pipe serves as a supplied material package of IGBT electronic elements and is in butt joint with the material guide groove pipe directly through the connection transition block, and feeding is direct and convenient. By means of the inclined guide groove pipe, automatic and continuous feeding of the IGBT electronic elements is promoted by means of the gravity effect, sequential pause stamping and bending of all the IGBT electronic elements are achieved through the stop mechanism, continuous bending of terminals of the IGBT electronic elements is achieved, and the production efficiency is remarkably improved.

Description

Technical Field

[0001] The utility model relates to the technical field of IGBT manufacturing, in particular to an IGBT electronic component terminal continuous bending device. Background Art

[0002] IGBT is the abbreviation of insulated gate bipolar transistor. The packaged IGBT module is directly used in inverters, UPS uninterruptible power supplies and other equipment.

[0003] During the production and assembly process of IGBT modules, the terminals of IGBT electronic components need to be bent at a certain angle to meet actual assembly requirements. Currently, the terminals are basically bent manually or individually using a bending mold, which has low work efficiency. Utility Model Content

[0004] In order to overcome the above-mentioned deficiencies of the prior art, the purpose of the utility model is to provide a continuous bending device for IGBT electronic component terminals.

[0005] In order to achieve the above-mentioned purpose, the technical solution adopted by the utility model to solve the technical problem is: a continuous bending device for IGBT electronic component terminals, comprising:

[0006] A base having an inclined mounting surface;

[0007] An IGBT material tube, in which IGBT electronic components are arranged in sequence along the length direction in the tube cavity, the tube cavity width of the IGBT material tube is slightly greater than the thickness of the IGBT electronic component base, and the tube cavity height of the IGBT material tube is slightly greater than the total height of the IGBT electronic component base and the terminal;

[0008] A material guide trough tube is installed on the inclined mounting surface of the base, the width of the tube cavity of the material guide trough tube is the same as the width of the IGBT material tube, the height of the tube cavity of the material guide trough tube is slightly greater than the height of the base of the IGBT electronic component, and a lower opening groove is provided on the bottom surface of the material guide trough tube, and the terminal of the IGBT electronic component passes through the lower opening groove of the material guide trough tube;

[0009] A connecting transition block is connected between the IGBT material pipe and the material guide trough pipe, and the IGBT electronic components in the IGBT material pipe enter the material guide trough pipe in sequence through the connecting transition block under the action of gravity;

[0010] A bending die set is mounted on the inclined mounting surface of the base, the bending die set comprises a bending fixed die and a bending movable die, the bending fixed die and the bending movable die are respectively located on both sides below the material guide trough tube; the bending fixed die comprises a fixed die block and a fixed die mounting seat, the fixed die mounting seat is fixedly mounted on the inclined mounting surface of the base, and the fixed die block is fixedly mounted on the fixed die mounting seat; the bending movable die comprises a movable die block, a movable die mounting seat and a movable die cylinder, the movable die mounting seat is fixedly mounted on the inclined mounting surface of the base, the movable die block is slidably mounted on the movable die mounting seat, and the movable die cylinder drives the movable die block to reciprocate;

[0011] The material blocking mechanism is used to control the forward movement and stop of the IGBT electronic components in the material guide trough tube.

[0012] The utility model IGBT material tube is used as the incoming material packaging of IGBT electronic components, and is directly connected with the material guide trough tube by connecting the transition block, so that the material feeding is direct and convenient. The inclined material guide trough tube form promotes the automatic and continuous feeding of IGBT electronic components by means of gravity, and the material blocking mechanism realizes the sequential stopping of stamping and bending of each IGBT electronic component, realizes the continuous bending of the IGBT electronic component terminals, and significantly improves the production efficiency.

[0013] Furthermore, a pre-compression block is connected to the upper side of the moving module via a spring.

[0014] By adopting the above preferred solution, the pre-pressing block is used to pre-press the terminal of the IGBT electronic component to ensure that the terminal remains in a stable position when the moving module and the fixed module are bent.

[0015] Furthermore, the end face of the moving module is a slope, the angle between the slope and the upper surface is an obtuse angle, and the angle between the slope and the lower surface is an acute angle. A shear block is also provided on the fixed mold mounting seat. In the height direction, the upper surface of the moving module is lower than the lower surface height of the fixed module, and the upper surface height of the shear block is slightly lower than the bottom surface height of the moving module. When bending, the moving module first cooperates with the shear block to cut the IGBT electronic component terminals, and then cooperates with the fixed module to bend the sheared terminals.

[0016] By adopting the above preferred solution, it is possible to first cut the excessively long portion of the terminal and then bend it, so that the terminal can be formed by cutting and bending in one step.

[0017] Furthermore, a bending angle detection device is provided downstream of the bending module, and the bending angle detection device is used to detect the angle of the terminal of the IGBT electronic component after bending.

[0018] By adopting the above preferred solution, an alarm prompt device can be optionally provided to provide a timely reminder when defective products are detected.

[0019] Furthermore, a rejection mechanism for rejecting defective products is provided at the end of the material guide trough tube.

[0020] By adopting the above preferred solution, defective products can be removed in time, processed separately, and mixing of materials can be prevented.

[0021] The camming plate is provided with a plurality of springs, each of which is provided with a plurality of springs, and the plurality of springs are provided with a plurality of springs, each of which is provided with a plurality of springs, and the plurality of springs are provided with a plurality of springs. Side surface of the base of GBT electronic component.

[0022] Furthermore, the spacing between the material blocking arm of the material blocking plate and the pressing pin is greater than 1 times the width of the base portion of the IGBT electronic component, and less than 2 times the width of the base portion of the IGBT electronic component.

[0023] By adopting the above preferred solution, the unbent product can be bent after blocking, and the bent product automatically moves downstream to achieve continuous bending of the IGBT electronic component terminals.

[0024] Furthermore, the material guide trough tube is installed on the inclined mounting surface of the base via a rotatable support assembly, and the rotatable support assembly includes a support seat, a turntable and a locking mechanism. The support seat is installed on the inclined mounting surface of the base, and the turntable is rotatably installed on the support seat. The locking mechanism is used to lock the turntable after it is rotated to a set angle, and the material guide trough tube is installed on the turntable.

[0025] By adopting the above-mentioned preferred scheme, the material guide trough tube can achieve angle adjustment through the rotatable support assembly, which can adjust the initial position angle of the IGBT electronic component terminal relative to the bending module, thereby realizing rapid adjustment of the bending angle and ensuring the accuracy of the bending angle of the IGBT electronic component terminal.

[0026] Furthermore, an indicating scale for indicating the angular position of the turntable is provided between the support seat and the turntable.

[0027] By adopting the above preferred solution, the angle data can be more intuitively displayed, which is convenient for manual adjustment. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0029] Figure 1 It is a structural diagram of IGBT electronic components.

[0030] Figure 2 This is a structural diagram of the bending terminal of the IGBT electronic component.

[0031] Figure 3 It is a structural schematic diagram of an implementation method of the utility model.

[0032] Figure 4 It is a cross-sectional view of an implementation manner of the utility model.

[0033] Figure 5 It is a structural schematic diagram of a rotatable support assembly.

[0034] Figure 6 It is a structural diagram of the bending module.

[0035] Figure 7 It is a schematic diagram of the blocking mechanism in the blocking state.

[0036] Figure 8 It is a schematic diagram of the blocking mechanism releasing the blocking state.

[0037] The numbers and letters in the figure represent the names of the corresponding parts:

[0038] 10-base; 11-inclined mounting surface; 20-rotatable support assembly; 21-support seat; 22-turntable; 23-locking mechanism; 30-I GBT material pipe; 40-material guide trough tube; 41-material blocking section groove; 50-connecting transition block; 60-bending module; 61-bending fixed mold; 611-fixed module; 612-fixed mold mounting seat; 613-shearing block; 62-bending movable mold; 621-moving module; 622-moving mold mounting seat; 623-moving mold cylinder; 63-pre-pressing block; 631-spring; 70-material blocking mechanism; 71-material blocking plate; 711-material blocking arm; 72-material blocking cylinder; 73-pressing pin; 731-flange; 74-pin seat; 75-compression spring; 76-linkage plate; 81-bending angle detection device; 82-rejection mechanism; 90-I GB T electronic component; 91-base portion; 92-terminal. DETAILED DESCRIPTION

[0039] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0040] like Figure 1 , 2 As shown, the IGBT electronic component 90 includes a base portion 91 and a plurality of terminals 92 extending downward from the base portion. In order to realize the application of the IGBT electronic component in a specific product, the terminals of the IGBT electronic component need to be connected from Figure 1 Bend to Figure 2 state.

[0041] like Figure 3-8 As shown, a device for continuously bending terminals of IGBT electronic components comprises:

[0042] A base 10 having an inclined mounting surface 11;

[0043] An IGBT material tube 30, in which IGBT electronic components 90 are arranged in sequence along the length direction, the width of the tube cavity of the IGBT material tube 30 is slightly greater than the thickness of the IGBT electronic component base 91, and the height of the tube cavity of the IGBT material tube 30 is slightly greater than the total height of the IGBT electronic component base 91 and the terminal 92;

[0044] The guide trough tube 40 has a lumen width that is the same as that of the IGBT material tube 30, and a lumen height that is slightly greater than a height of the IGBT electronic component base 91. The bottom surface of the guide trough tube 40 is provided with a lower opening groove, and the terminal 92 of the IGBT electronic component passes through the lower opening groove of the guide trough tube 40;

[0045] The connecting transition block 50 is connected between the IGBT material tube 30 and the material guide trough tube 40. The IGBT electronic components 90 in the IGBT material tube 30 enter the material guide trough tube 40 in sequence through the connecting transition block 50 under the action of gravity.

[0046] The bending die set 60 is mounted on the inclined mounting surface 11 of the base 10. The bending die set 60 includes a bending fixed die 61 and a bending movable die 62. The bending fixed die 61 and the bending movable die 62 are respectively located on both sides below the guide trough tube 40; the bending fixed die 61 includes a fixed die block 611 and a fixed die mounting seat 612. The fixed die mounting seat 612 is fixedly mounted on the inclined mounting surface 11 of the base. The fixed die block 611 is fixedly mounted on the fixed die mounting seat 612; the bending movable die 6 2 comprises a movable die block 621, a movable die mounting seat 622 and a movable die cylinder 623, wherein the movable die mounting seat 622 is fixedly mounted on the inclined mounting surface 11 of the base, the movable die block 621 is slidably mounted on the movable die mounting seat 622, and the movable die cylinder 623 drives the movable die block 621 to reciprocate; in the left-right direction, the fixed die block 611 and the movable die block 621 are arranged opposite to each other; in the height direction, the upper surface of the movable die block 621 is lower than the lower surface height of the fixed die block 611;

[0047] The material blocking mechanism 70 is used to control the forward movement and stop of the IGBT electronic components in the material guiding trough tube 40.

[0048] The beneficial effects of adopting the above technical solution are: the IGBT material tube is used as the incoming material packaging of the IGBT electronic components, and is directly connected to the material guide trough tube by connecting the transition block, so that the material feeding is direct and convenient. The inclined material guide trough tube form promotes the automatic and continuous feeding of the IGBT electronic components by means of gravity, and the material blocking mechanism realizes the sequential stopping of stamping and bending of each IGBT electronic component, so as to realize the continuous bending of the IGBT electronic component terminals, and significantly improve the production efficiency.

[0049] like Figure 5 As shown, in some other embodiments of the present invention, the guide trough tube 40 is installed on the inclined mounting surface 11 of the base through the rotatable support assembly 20, and the rotatable support assembly 20 includes a support seat 21, a turntable 22 and a locking mechanism 23. The support seat 21 is installed on the inclined mounting surface 11 of the base 10, and the turntable 22 is rotatably installed on the support seat 21. The locking mechanism 23 is used to lock the position of the turntable after the turntable 22 is rotated to a set angle. The beneficial effect of adopting the above technical solution is that the guide trough tube can achieve angle adjustment through the rotatable support assembly, and the initial position angle of the IGBT electronic component terminal relative to the bending module can be adjusted, thereby achieving rapid adjustment of the bending angle and ensuring the accuracy of the bending angle of the IGBT electronic component terminal.

[0050] In other embodiments of the utility model, the structural form of the locking mechanism 23 is not limited and can be selected from the existing technology, such as using a manually locked and manually unlocked tightening bolt; in order to achieve intelligent needs, an electric locking method can also be used, using a locking motor to drive the tightening bolt to rotate to achieve locking and unlocking, and a torque sensor can also be connected between the locking motor and the tightening bolt to achieve the purpose of controlling the locking force.

[0051] like Figure 3 As shown, in some other embodiments of the present invention, a bending angle detection device 81 is provided downstream of the bending module 60, and the bending angle detection device 81 is used to detect the terminal angle of the IGBT electronic component after bending. The beneficial effect of adopting the above technical solution is that an alarm prompt device can be optionally provided to promptly remind when a defective product is detected, and to promptly adjust the angle of the guide trough tube.

[0052] like Figure 3 As shown, in some other embodiments of the present invention, a rejecting mechanism 82 for rejecting defective products is further provided at the end of the material guide trough tube 40. The beneficial effect of adopting the above technical solution is that defective products can be rejected in time, processed separately, and mixed materials can be prevented.

[0053] In other embodiments of the present invention, the rotatable support assembly 20 further includes a rotation drive mechanism and a turntable angle detection device, wherein the rotation drive mechanism is used to drive the turntable to rotate, and the turntable angle detection device is used to detect the angle of the turntable and the guide trough tube. After the bending angle detection device detects that the terminal angle exceeds the specification, the rotation drive mechanism drives the turntable and the guide trough tube to rotate a correction angle. The beneficial effect of adopting the above technical solution is that the bending angle can be adjusted automatically, thereby improving the level of intelligence.

[0054] like Figure 6 As shown, in some other embodiments of the present invention, a pre-pressing block 63 is connected to the upper side of the moving module 621 via a spring 631. The beneficial effect of adopting the above technical solution is: the pre-pressing block is used to pre-press the terminal of the IGBT electronic component to ensure that the terminal remains in a stable position when the moving module and the fixed module are bent.

[0055] like Figure 6 As shown, in some other embodiments of the present invention, the end face of the moving module 621 is an inclined surface, the angle between the inclined surface and the upper surface is an obtuse angle, and the angle between the inclined surface and the lower surface is an acute angle; a shear block 613 is also provided on the fixed mold mounting seat 612, and in the height direction, the upper surface height of the shear block 613 is slightly lower than the bottom surface height of the moving module 621; when bending, the moving module 621 first cooperates with the shear block 613 to cut the IGBT electronic component terminal, and then cooperates with the fixed module 611 to bend the sheared terminal. The beneficial effect of adopting the above technical solution is that it can achieve the shearing of the excessively long part of the terminal first, and then bend it, and the shearing and bending are formed in one step.

[0056] like Figure 7 , 8When the locking cam 73 is in the unlocking state, the locking cam 73 is in the unlocking state, and the locking cam 73 is in the unlocking state. The IGBT electronic component is disengaged; when the material blocking cylinder 72 drives the material blocking plate 71 to retract and release the material blocking state, the material blocking plate 71 is disengaged from the linkage plate 76, and under the action of the compression spring 75, the clamping pin 73 passes through the through hole of the material guide trough tube 40 and presses against the side of the IGBT electronic component base. The spacing between the material blocking arm 711 of the material blocking plate 71 and the clamping pin 73 is greater than 1 times the width of the IGBT electronic component base, and less than 2 times the width of the IGBT electronic component base. The beneficial effect of adopting the above technical solution is that it can realize bending after blocking the unbent product, and the product after bending automatically moves downstream, realizing continuous bending of the IGBT electronic component terminal.

[0057] In some other embodiments of the present invention, an indicating scale for indicating the angular position of the turntable is provided between the support base 21 and the turntable 22. The beneficial effect of adopting the above technical solution is: the angle data is more intuitively reflected and manual adjustment is convenient.

[0058] The above embodiments are only for illustrating the technical concept and features of the utility model, and their purpose is to enable ordinary technicians in the field to understand the content of the utility model and implement it. They cannot be used to limit the protection scope of the utility model. All equivalent changes or modifications made according to the spirit of the utility model should be included in the protection scope of the utility model.

Claims

1. A continuous bending device for IGBT electronic component terminals, characterized in that: include: A base having an inclined mounting surface; An IGBT material tube, in which IGBT electronic components are arranged in sequence along the length direction in the tube cavity, the tube cavity width of the IGBT material tube is slightly larger than the thickness of the base of the IGBT electronic component, and the tube cavity height of the IGBT material tube is slightly larger than the total height of the base of the IGBT electronic component and the terminal; A material guide trough tube is installed on the inclined mounting surface of the base, the width of the tube cavity of the material guide trough tube is the same as the width of the IGBT material tube, the height of the tube cavity of the material guide trough tube is slightly greater than the height of the base of the IGBT electronic component, and a lower opening groove is provided on the bottom surface of the material guide trough tube, and the terminal of the IGBT electronic component passes through the lower opening groove of the material guide trough tube; A connecting transition block is connected between the IGBT material pipe and the material guide trough pipe, and the IGBT electronic components in the IGBT material pipe enter the material guide trough pipe in sequence through the connecting transition block under the action of gravity; A bending die set is mounted on the inclined mounting surface of the base, the bending die set comprises a bending fixed die and a bending movable die, the bending fixed die and the bending movable die are respectively located on both sides below the material guide trough tube; the bending fixed die comprises a fixed die block and a fixed die mounting seat, the fixed die mounting seat is fixedly mounted on the inclined mounting surface of the base, and the fixed die block is fixedly mounted on the fixed die mounting seat; the bending movable die comprises a movable die block, a movable die mounting seat and a movable die cylinder, the movable die mounting seat is fixedly mounted on the inclined mounting surface of the base, the movable die block is slidably mounted on the movable die mounting seat, and the movable die cylinder drives the movable die block to reciprocate; The material blocking mechanism is used to control the forward movement and stop of the IGBT electronic components in the material guide trough tube.

2. The IGBT electronic component terminal continuous bending device according to claim 1, characterized in that: The upper part of the moving module is connected with a pre-pressing block via a spring.

3. The IGBT electronic component terminal continuous bending device according to claim 2, characterized in that: The end face of the moving module is a slope, the angle between the slope and the upper surface is an obtuse angle, and the angle between the slope and the lower surface is an acute angle. A shear block is also provided on the fixed mold mounting seat. In the height direction, the upper surface of the moving module is lower than the lower surface height of the fixed module, and the upper surface height of the shear block is slightly lower than the bottom surface height of the moving module. When bending, the moving module first cooperates with the shear block to cut the terminals of the IGBT electronic components, and then cooperates with the fixed module to bend the sheared terminals.

4. The IGBT electronic component terminal continuous bending device according to claim 1, characterized in that: A bending angle detection device is provided downstream of the bending module, and the bending angle detection device is used to detect the terminal angle of the IGBT electronic component after bending.

5. The IGBT electronic component terminal continuous bending device according to claim 4, characterized in that: A rejecting mechanism for rejecting defective products is also provided at the end of the material guide trough tube.

6. The IGBT electronic component terminal continuous bending device according to claim 1, characterized in that: The material blocking mechanism comprises a material blocking plate, a material blocking cylinder, a clamping pin, a pin seat, a compression spring and a linkage plate, wherein the material blocking cylinder drives the material blocking plate to reciprocate, the material guide trough tube is located at a downstream position of the bending module and is provided with a material blocking cross-sectional groove parallel to its cross-section, the clamping pin is movably installed on the pin seat, the middle part of the clamping pin is provided with a flange portion, the compression spring is located between the flange portion and the pin seat, the side surface of the material guide trough tube is provided with a through hole for the clamping pin to pass through, and the linkage plate is connected with the clamping pin; when the material blocking cylinder drives the material blocking plate to be in the material blocking state position, the material blocking arm of the material blocking plate passes through the material blocking cross-sectional groove of the material guide trough tube, the material blocking plate also presses the linkage plate and drives the clamping pin to separate from the IGBT electronic component of the material guide trough tube; when the material blocking cylinder drives the material blocking plate to retract and release the material blocking state, the material blocking plate separates from the linkage plate, and under the action of the compression spring, the clamping pin passes through the through hole of the material guide trough tube and presses against the side surface of the base portion of the IGBT electronic component.

7. The IGBT electronic component terminal continuous bending device according to claim 6, characterized in that: The spacing between the material blocking arm of the material blocking plate and the pressing pin is greater than 1 times the width of the base part of the IGBT electronic component, and less than 2 times the width of the base part of the IGBT electronic component.

8. The IGBT electronic component terminal continuous bending device according to claim 1, characterized in that: The material guide trough tube is installed on the inclined mounting surface of the base via a rotatable support assembly. The rotatable support assembly includes a support seat, a turntable and a locking mechanism. The support seat is installed on the inclined mounting surface of the base. The turntable is rotatably installed on the support seat. The locking mechanism is used to lock the turntable after it is rotated to a set angle. The material guide trough tube is installed on the turntable.

9. The IGBT electronic component terminal continuous bending device according to claim 8, characterized in that: An indicating scale for indicating the angular position of the turntable is arranged between the support seat and the turntable.

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