Welding device for IGBT module production

Abstract

The utility model discloses a welding device for IGBT (Insulated Gate Bipolar Translator) module production, which comprises a device bracket, a cover plate is arranged in a groove of the device bracket, a pressing frame is fixed on the top surface of the device bracket, a material ejecting assembly is arranged in the device bracket, the material ejecting assembly comprises a screw rod which is rotatably arranged in the device bracket, and the screw rod is connected with the pressing frame. A horizontal plate is in threaded connection with the exterior of the lead screw, and sliding blocks at the two ends of the horizontal plate slide on sliding ways on the inner wall of the device bracket. According to the utility model, the material ejecting assembly is arranged, so that during placement, the module is placed on the surface of the cover plate on the bracket of the device, and the outer wall of the module is close to the pressing frame, thereby playing a good role in limiting and protecting, and after welding is completed, the rotary knob is rotated to enable the rotating shaft to drive the screw rod to rotate, so that the horizontal plate moves upwards through the sliding block; and the ejector rod ejects the module through the device bracket and the round hole of the cover plate, so that the module can be conveniently taken out, the working efficiency is improved, and the module is prevented from being damaged.

Description

TECHNICAL FIELD

[0001] The utility model relates to IGBT module production technical field, concretely is a kind of welding device for IGBT module production. BACKGROUND

[0002] IGBT module is a kind of power module by insulated gate bipolar transistor. It integrates the advantages of MOSFET and GTR, with high input impedance, low driving power, fast switching speed, high operating frequency and other characteristics. In addition, IGBT module also has the advantages of low on-state voltage drop, high voltage, large current. It is widely used in electric vehicles, servo controller, UPS, switching power supply, chopper power supply, trolleybus and other fields.

[0003] At present, IGBT module needs to be welded during production, and the applicant searches, the existing fixture will have an IGBT module placing groove, the module is placed in it for processing to play the role of limiting and fixing, however, the problem caused by this is that, since the plate is close to the inner side of the fixture, it is not convenient to take out the module after processing, and some props or hands are forced to pick out, which may cause damage to the workpiece. All fixtures are basically installed on the production line or fixed processing position, which is not convenient to dump and take out.

[0004] Therefore, in view of the above problems, the applicant proposes an IGBT module production welding device to solve the above problems. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a kind of welding device for IGBT module production to solve the problems raised in the above background.

[0006] To achieve the above object, the utility model provides the following technical scheme: a kind of welding device for IGBT module production, including device holder, the cover plate is placed in the device holder groove, the device holder top is fixed with pressure frame, the device holder inside is equipped with material pushing assembly, the material pushing assembly includes the screw rod rotation in the device holder inside, the outer thread of the screw rod is connected with horizontal plate, and the horizontal plate both ends sliding block is slid in the device holder inner wall slide, the horizontal plate top is equipped with the material pushing rod passing through the round hole of device holder and cover plate, the screw rod is connected with the rotating shaft of device holder bottom rotation installation, and the rotating shaft bottom is fixed with knob.

[0007] Preferably, the rotating shaft side is inserted with positioning rod, the positioning rod passes through the cylinder fixed in the device holder bottom, the cylinder is fixed in the device holder bottom and surrounds the rotating shaft inside, the positioning rod one end is connected with spring A with the outer wall of cylinder.

[0008] Preferably, one side of the positioning rod is fixed with an elongated pull rod, and the elongated pull rod passes through a support rod hole fixed at the bottom of the device holder.

[0009] Preferably, the support blocks are symmetrically welded at the bottom of the device holder, and a mounting seat is nailed at the bottom of the support block, and bolt holes are arranged at two sides of the mounting seat.

[0010] Preferably, a rubber head is bonded at the top of the material pushing rod, and the rubber head is located inside the round hole of the cover plate.

[0011] Preferably, a fixing rod is inserted into the bottom of the material pushing rod, the fixing rod is fixed at the top of the horizontal plate, and the horizontal plate is connected with the material pushing rod and is sleeved with a spring B outside the fixing rod, two limiting rods are fixed at the top of the material pushing rod, and the limiting rods are inserted into rod holes at the top of the fixing rod.

[0012] Preferably, a butt plate A is fixed at the side of the device holder, an anchor rod is fixed on the butt plate A, the anchor rod passes through a butt plate B welded on the side wall of the pressing frame, and a positioning sleeve is threadedly sleeved on the anchor rod.

[0013] Preferably, a round rod is fixed at the four corners of the bottom of the cover plate, and the round rod is inserted into a rod hole at the top of the device holder.

[0014] Compared with the prior art, the device has the beneficial effects that:

[0015] The device has the beneficial effects that:

[0016] The device has the beneficial effects that: BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a whole three-dimensional structure schematic view of the device.

[0018] Figure 2 It is a device holder and a pressing frame split structure schematic view of the device.

[0019] Figure 3 It is the whole front view sectional structure schematic view of the utility model.

[0020] Figure 4 It is the top material subassembly front view sectional structure schematic view of the utility model.

[0021] Figure 5 It is the top material rod front view sectional structure schematic view of the utility model.

[0022] Figure 6 It is the Figure 3 Enlarged structure schematic view of A place in the middle.

[0023] In the drawing: 1, device holder; 2, cover plate; 3, pressing frame; 4, top material subassembly; 41, lead screw; 42, horizontal plate; 43, sliding block; 44, top material rod; 441, rubber head; 442, fixed rod; 443, spring B; 444, limiting rod; 45, rotating shaft; 46, cylinder; 47, positioning rod; 48, spring A; 49, slender pull rod; 5, butt joint plate A; 6, butt joint plate B; 7, anchor rod; 8, positioning sleeve. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0025] As Figures 1-6 Indicated, a kind of welding device for IGBT module production, including device holder 1, cover plate 2 is placed in the recess of device holder 1, pressing frame 3 is fixed on the top surface of device holder 1, top material subassembly 4 is installed in the inside of device holder 1, top material subassembly 4 includes rotating in the inside of device holder 1 lead screw 41, and the outside of lead screw 41 is connected with horizontal plate 42, and the both ends sliding block 43 of horizontal plate 42 is slid in the inner wall slide way of device holder 1, and top material rod 44 that horizontal plate 42 top is equipped with passing through the round hole of device holder 1 and cover plate 2, rotating shaft 45 is rotatably installed in the bottom of device holder 1 by lead screw 41, and rotating shaft 45 bottom is fixed with knob.

[0026] The above, by setting the material assembly 4, so that when placing the module, the module is placed on the surface of the cover plate 2 on the device holder 1, and the outer wall of the module is close to the pressing frame 3, and then the rotation knob is rotated to drive the rotation of the shaft 45, and then the horizontal plate 42 is moved up through the sliding block 43, so that the material rod 44 is lifted through the device holder 1 and the cover plate 2 The hole of the cover plate 2 can be easily taken out, improve work efficiency and avoid damage to the module.

[0027] The positioning rod 47 is inserted on one side of the rotating shaft 45, the positioning rod 47 passes through the cylinder 46 fixed at the bottom of the device holder 1, the cylinder 46 is fixed at the bottom of the device holder 1 and surrounds the rotating shaft 45, one end of the positioning rod 47 is connected with the spring A 48 on the outer wall of the cylinder 46, and the elongated pull rod 49 is fixed on one side of the positioning rod 47. The elongated pull rod 49 passes through the rod hole of the supporting block 9 fixed at the bottom of the device holder 1.

[0028] The above, in order to avoid the rotation of the rotating shaft 45 caused by vibration during welding, the positioning rod 47 can limit the rotating shaft 45, avoid the damage caused by the module being lifted during welding, and the positioning rod 47 on one side of the cylinder 46 is pulled by the elongated pull rod 49 during material taking, and is reset after being taken out. The spring A 48 can be reset, and the elongated pull rod 49 is convenient to pull, avoiding the inconvenience that the space at the bottom of the device holder 1 is small enough for one hand to reach in, and the rotating shaft 45 rotates one circle, and the sliding block 43 just slides the maximum distance, so that the positioning rod 47 is inserted into the rod hole of the rotating shaft 45 during taking, and the module is taken by two hands.

[0029] The supporting block 9 is symmetrically welded at the bottom of the device holder 1, and the mounting seat 10 is nailed at the bottom of the supporting block 9.

[0030] The above, so that the mounting seat 10 is convenient for fixing and installing the device holder 1, and improves the installation efficiency.

[0031] The rubber head 441 is bonded on the top of the material rod 44, the rubber head 441 is located in the hole of the cover plate 2, the fixed rod 442 is inserted into the bottom of the material rod 44, the fixed rod 442 is fixed on the top of the horizontal plate 42, and the horizontal plate 42 and the material rod 44 are connected with the spring B 443 which is sleeved on the outside of the fixed rod 442. Two limit rods 444 are fixed at the top of the fixed rod 442, and the limit rods 444 are inserted into the rod hole at the top of the fixed rod 442. The circular rod 11 is fixed at the bottom of the cover plate 2, and the circular rod 11 is inserted into the rod hole at the top of the device holder 1.

[0032] The above, the rubber head 441 has softness to avoid damage to the module when jacking, and the material pushing rod 44 is elastically connected with the horizontal plate 42 through the fixing rod 442 and the spring B 443, so that when the cover plate 2 is taken out, the thumbs and index fingers of both hands press the material pushing rod 44 downward, and the cover plate 2 is taken out by clamping the four round holes of the cover plate 2, so that the internal parts are convenient to clean and maintain, finally the limiting rod 444 can play a limiting role to avoid the rotation of the material pushing rod 44, and the round rod 11 can play a preliminary positioning role when the cover plate 2 is placed, and it is noted that the pressing frame 3 is installed to press and fix the top surface of the cover plate 2 to avoid upward movement.

[0033] The device holder 1 is fixed with a butt joint plate A5, the butt joint plate A5 is fixed with an anchor rod 7, the anchor rod 7 penetrates through the butt joint plate B6 welded on the side wall of the pressing frame 3, and the anchor rod 7 is threadedly sleeved with a positioning sleeve 8.

[0034] The above, when the protective pressing frame 3 is installed, the pressing frame 3 is in contact with the device holder 1, at this time the anchor rod 7 penetrates through the butt joint plate B6, then the positioning sleeve 8 is sleeved on the anchor rod 7, so that the butt joint plate A5 and the butt joint plate B6 are fixedly connected, so that the split structure is convenient for cleaning the internal dead angle in the later period, and is very good.

[0035] The embodiments of the present application are given for the purpose of example and description, and are not exhaustive or limit the present application to the disclosed forms. Many modifications and variations will be apparent to those skilled in the art. The embodiments are selected and described in order to better illustrate the principles and practical application of the present application, and to enable those skilled in the art to understand the present application so as to design various embodiments with various modifications suitable for specific purposes.

Claims

1. A welding device for producing IGBT modules, comprising a device bracket (1), characterized in that: A cover plate (2) is placed in the groove of the device bracket (1), a pressing frame (3) is fixed on the top surface of the device bracket (1), and a lifting assembly (4) is installed inside the device bracket (1); The ejecting assembly (4) includes a screw rod (41) that rotates inside the device bracket (1), the external thread of the screw rod (41) is connected to a horizontal plate (42), and the sliders (43) at both ends of the horizontal plate (42) slide on the inner wall slide of the device bracket (1), and the top of the horizontal plate (42) is provided with an ejecting rod (44) that passes through the circular holes of the device bracket (1) and the cover plate (2), and the screw rod (41) is connected to the rotating shaft (45) that is rotatably installed at the bottom of the device bracket (1), and a knob is fixed to the bottom of the rotating shaft (45).

2. The welding device for producing IGBT modules according to claim 1, characterized in that: A positioning rod (47) is inserted into one side of the rotating shaft (45). The positioning rod (47) passes through a cylinder (46) fixed at the bottom of the device bracket (1). The cylinder (46) is fixed at the bottom of the device bracket (1) and surrounds the rotating shaft (45) inside. One end of the positioning rod (47) is connected to the outer wall of the cylinder (46) by a spring A (48).

3. The welding device for producing IGBT modules according to claim 2, characterized in that: A slender pull rod (49) is fixed to one side of the positioning rod (47), and the slender pull rod (49) passes through the rod hole of the support block (9) fixed at the bottom of the device bracket (1).

4. The welding device for producing IGBT modules according to claim 3, characterized in that: The support block (9) is symmetrically welded to the bottom of the device bracket (1), and a mounting seat (10) is nailed to the bottom of the support block (9), and bolt holes are provided on both sides of the mounting seat (10).

5. The welding device for producing IGBT modules according to claim 1, characterized in that: A rubber head (441) is bonded to the top of the ejector rod (44), and the rubber head (441) is located inside the circular hole of the cover plate (2).

6. The welding device for producing IGBT modules according to claim 1, characterized in that: A fixing rod (442) is inserted into the bottom of the ejecting rod (44), and the fixing rod (442) is fixed to the top of the horizontal plate (42). The horizontal plate (42) and the ejecting rod (44) are connected by a spring B (443) sleeved on the outside of the fixing rod (442). Two limiting rods (444) are fixed to the top of the inner part of the ejecting rod (44), and the limiting rods (444) are inserted into the top rod hole of the fixing rod (442).

7. The welding device for producing IGBT modules according to claim 1, characterized in that: A docking plate A (5) is fixed to the side of the device bracket (1), an anchor rod (7) is fixed to the docking plate A (5), the anchor rod (7) passes through the docking plate B (6) welded to the side wall of the pressure frame (3), and a positioning sleeve (8) is threadedly sleeved on the anchor rod (7).

8. The welding device for producing IGBT modules according to claim 1, characterized in that: Round rods (11) are fixed at the four corners of the bottom of the cover plate (2), and the round rods (11) are inserted into the top rod holes of the device bracket (1).

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