High-efficiency welding module testing equipment

Abstract

The utility model discloses high-efficiency welding module testing equipment, which relates to the technical field of welding module testing equipment and comprises a feeding frame, sliding grooves are formed in the left side and the right side of the front end of the top of the feeding frame, and limiting plates are slidably connected in the sliding grooves and located above the feeding frame. An adjusting rod is rotationally connected between the bottom of the center of the limiting plate and the bottom of the feeding frame, a pushing frame is slidably connected to the position, behind the adjusting rod, in the feeding frame, a supporting rod is fixedly connected to the bottom of the pushing frame, and a connecting block is slidably connected to the outer surface of the bottom end of the supporting rod. According to the utility model, the design structure is reasonable, the servo motor drives the power wheel to rotate, the power wheel drives the transmission belt to rotate, the transmission belt drives the connecting rod to move annularly, the connecting rod drives the guide block to move, the guide block drives the sliding rail and the guide rod to move under the limit, and meanwhile, the material pushing frame moves under the limit of the sliding rod and the connecting block; and the material pushing frame intermittently moves the module at a fixed distance, so that the automatic feeding and testing device has the advantage of automatic feeding and testing.

Description

Technical Field

[0001] The utility model relates to the technical field of welding module testing equipment, in particular to a high-efficiency welding module testing equipment. Background Art

[0002] At present, the mainstream power module on the market is IGBT power module. IGBT, insulated gate bipolar transistor, is a composite fully controlled voltage-driven power semiconductor device composed of BJT and MOS. It has the advantages of high input impedance of MOSFET and low on-state voltage drop of GTR. In IGBT module, the common method for connecting components is double solder process, in which the first welding is used for connecting power chip and ceramic substrate, and the second welding is used for connecting power terminal and ceramic substrate and ceramic substrate and metal base plate.

[0003] IGBT modules need to be tested before they are put into use. The existing IGBT module testing equipment requires workers to hold the test components for testing, which makes it easy for workers to be in danger during testing. The safety of use is relatively low. At the same time, it is inconvenient to fix IGBT modules of different sizes, and the practicality is low. To this end, we provide efficient welding module testing equipment to solve the above problems. Utility Model Content

[0004] 1) Technical issues solved

[0005] The purpose of the utility model is to make up for the deficiencies of the prior art and provide a high-efficiency welding module testing device.

[0006] 2) Technical solution

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a high-efficiency welding module testing equipment, comprising a feeding rack, wherein slide grooves are provided on the left and right sides of the top front end of the feeding rack, and the slide groove is located above the feeding rack and is slidably connected to a limit plate, and an adjusting rod is rotatably connected between the bottom of the center position of the limit plate and the bottom of the feeding rack, and the feeding rack is located inside the rear of the adjusting rod and is slidably connected to the pushing rack, the bottom of the pushing rack is fixedly connected to the support rod, and the outer surface of the bottom end of the support rod is slidably connected to a connecting block, the bottom wall of the feeding rack is located inside the front end of the connecting block and is fixedly connected to the sliding rod, the center position of the rear end of the pushing rack is fixedly connected, the outer surface of the guide block is sleeved with a slide rail, the left end of the slide rail is fixedly connected to the guide rod, the bottom wall of the feeding rack is located at the outer surface of the guide rod and is fixedly connected to the support block, the rear end of the guide block is plugged with a connecting rod, the rear end of the connecting rod is fixedly connected to a transmission belt, the left and right sides of the transmission belt are meshed with power wheels, and the rear end of the power wheel located at the right end of the transmission belt is fixedly connected to a servo motor.

[0008] Furthermore, a movable groove engaged with the pushing rack is provided inside the feeding rack, and the feeding rack is arranged in an "L" shape.

[0009] Furthermore, the limit plate is arranged at a right angle to the top of the feeding rack, and the bottoms of the left and right ends of the limit plate are slidably connected to the inner wall of the slide groove by setting moving blocks.

[0010] Furthermore, the outer wall of the adjusting rod is provided with a thread, and the bottom end of the limiting plate is provided with a connecting ring which meshes with the outer wall of the adjusting rod.

[0011] Furthermore, the slide rod and the front end of the connecting block form a sliding connection, the guide block and the slide rail form a sliding connection, and the guide rod and the supporting block form a sliding connection.

[0012] Furthermore, an extension frame rotatably connected to the power wheel is provided at the bottom of the rear end of the feeding rack, and the servo motor is connected to the rear side wall of the feeding rack.

[0013] 3) Beneficial effects:

[0014] Compared with the prior art, this high-efficiency welding module testing equipment has the following beneficial effects:

[0015] 1. The utility model drives the power wheel to rotate through a servo motor, the power wheel drives the transmission belt to rotate, the transmission belt drives the connecting rod to move in a ring shape, the connecting rod drives the guide block to move, the guide block drives the slide rail and the guide rod to move under the limit, and at the same time the pusher moves under the limit of the slide rod and the connecting block, the pusher intermittently moves the module at a fixed distance, which solves the problem that the existing IGBT module testing device requires the staff to hold the test element for testing during use, which makes the staff prone to danger during testing, and has the advantage of automatic feeding testing.

[0016] 2. The utility model adjusts the distance between the limit plate and the rear end of the feed rack according to the length of the module, rotates the adjustment rod, and the adjustment rod drives the limit plate to move in the slide groove, thereby realizing position adjustment, solving the problem that the existing module testing device is inconvenient to fix IGBT modules of different sizes, resulting in low practicality, and has the advantage of being applicable to modules of various sizes. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is the positive triaxial measurement of the utility model;

[0018] Figure 2 This is a schematic diagram of the slide bar of the utility model;

[0019] Figure 3 This is a schematic diagram of the power wheel of the utility model;

[0020] Figure 4 It is a schematic diagram of the slide rail of the utility model.

[0021] In the figure: 1. Feeding rack; 2. Slide; 3. Limiting plate; 4. Adjusting rod; 5. Pushing rack; 6. Support rod; 7. Connecting block; 8. Sliding rod; 9. Guide block; 10. Slide rail; 11. Guide rod; 12. Support block; 13. Connecting rod; 14. Transmission belt; 15. Power wheel; 16. Servo motor. DETAILED DESCRIPTION

[0022] 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 in 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.

[0023] like Figure 1-4As shown, the utility model provides a technical solution: a high-efficiency welding module testing equipment, including a feeding rack 1, a slide groove 2 is opened on both sides of the left and right sides of the front end of the top of the feeding rack 1, and the inside of the slide groove 2 is located above the feeding rack 1 and is slidably connected to a limit plate 3, the limit plate 3 and the top of the feeding rack 1 are arranged at a right angle, and the bottom of the left and right ends of the limit plate 3 are slidably connected to the inner wall of the slide groove 2 by setting a moving block, and the limit plate 3 has a limiting effect on the module, and an adjusting rod 4 is rotatably connected between the bottom of the center position of the limit plate 3 and the bottom of the feeding rack 1, and the outer wall of the adjusting rod 4 is provided with a thread, and the bottom end of the limit plate 3 is provided with a thread that is connected to the outer wall of the adjusting rod 4 The distance between the limit plate 3 and the rear end of the feeding rack 1 is adjusted according to the length of the module, and the adjusting rod 4 is rotated. The adjusting rod 4 drives the limit plate 3 to move in the slide groove 2, so as to realize the position adjustment. The inside of the feeding rack 1 is slidably connected with a pushing rack 5 behind the adjusting rod 4. The inside of the feeding rack 1 is provided with a moving groove engaged with the pushing rack 5. The feeding rack 1 is arranged in an "L" shape. The bottom of the pushing rack 5 is fixedly connected with a supporting rod 6. The outer surface of the bottom end of the supporting rod 6 is slidably connected with a connecting block 7. The bottom wall of the feeding rack 1 is located at the front end of the connecting block 7 and is fixedly connected with a sliding rod 8. The sliding rod 8 plays a limiting and guiding role for the pushing rack 5. The rod 8 is slidably connected to the front end of the connecting block 7, and a guide block 9 is fixedly connected to the center position of the rear end of the pusher rack 5. A slide rail 10 is sleeved on the outer surface of the guide block 9. The guide block 9 and the slide rail 10 are slidably connected. The left end of the slide rail 10 is fixedly connected to a guide rod 11. The bottom wall of the feeder rack 1 is located on the outer surface of the guide rod 11 and is fixedly connected to a support block 12. The guide rod 11 and the support block 12 are slidably connected. The guide rod 11 supports the pusher rack 5. A connecting rod 13 is inserted inside the rear end of the guide block 9. A transmission belt 14 is fixedly connected to the rear end of the connecting rod 13. Power wheels 15 are meshed on both the left and right sides of the transmission belt 14. The rear end of the power wheel 15 located at the right end of the transmission belt 14 is fixedly connected to a servo motor 16. An extension frame rotatably connected to the power wheel 15 is provided at the bottom of the rear end of the feeding rack 1. The servo motor 16 is connected to the rear side wall of the feeding rack 1. The servo motor 16 drives the power wheel 15 to rotate, and the power wheel 15 drives the transmission belt 14 to rotate. The transmission belt 14 drives the connecting rod 13 to move in a circular shape. The connecting rod 13 drives the guide block 9 to move, and the guide block 9 drives the slide rail 10 and the guide rod 11 to move under the limit. At the same time, the pushing rack 5 moves under the limit of the slide bar 8 and the connecting block 7, and the pushing rack 5 intermittently moves the module at a fixed distance.

[0024] Working principle: When the highly efficient welding module testing equipment is in use, the distance between the limit plate 3 and the rear end of the feed rack 1 is adjusted according to the length of the module, and the adjusting rod 4 is rotated. The adjusting rod 4 drives the limit plate 3 to move in the slide groove 2, thereby realizing position adjustment. The servo motor 16 drives the power wheel 15 to rotate, and the power wheel 15 drives the transmission belt 14 to rotate. The transmission belt 14 drives the connecting rod 13 to move in a circular shape. The connecting rod 13 drives the guide block 9 to move, and the guide block 9 drives the slide rail 10 and the guide rod 11 to move under the limit. At the same time, the push rack 5 moves under the limit of the slide bar 8 and the connecting block 7, and the push rack 5 intermittently moves the module at a fixed distance.

Claims

1. A high-efficiency welding module testing device, comprising a feeding rack (1), characterized in that: The front end of the top of the feeding rack (1) is provided with a slide groove (2) on both sides, the slide groove (2) is located above the feeding rack (1) and is slidably connected to a limit plate (3), the bottom of the limit plate (3) is rotatably connected to the bottom of the feeding rack (1), an adjusting rod (4) is rotatably connected between the center of the limit plate (3) and the bottom of the feeding rack (1), the feeding rack (1) is located behind the adjusting rod (4) and is slidably connected to a push rack (5), the bottom of the push rack (5) is fixedly connected to a support rod (6), the outer surface of the bottom end of the support rod (6) is slidably connected to a connecting block (7), the bottom wall of the feeding rack (1) is located inside the front end of the connecting block (7) and is fixedly connected to a slide rod (8), the push rack (5) A guide block (9) is fixedly connected to the center position of the rear end, a slide rail (10) is sleeved on the outer surface of the guide block (9), a guide rod (11) is fixedly connected to the left end of the slide rail (10), a support block (12) is fixedly connected to the bottom wall of the feed rack (1) and the outer surface of the guide rod (11), a connecting rod (13) is inserted into the rear end of the guide block (9), a transmission belt (14) is fixedly connected to the rear end of the connecting rod (13), a power wheel (15) is meshed on both the left and right sides of the transmission belt (14), and a servo motor (16) is fixedly connected to the rear end of the power wheel (15) located at the right end of the transmission belt (14).

2. The high-efficiency welding module testing device according to claim 1, characterized in that: The feeding frame (1) is provided with a movable groove which engages with the pushing frame (5), and the feeding frame (1) is arranged in an "L" shape.

3. The high-efficiency welding module testing device according to claim 1, characterized in that: The limit plate (3) is arranged at a right angle to the top of the feeding frame (1), and the bottoms of the left and right ends of the limit plate (3) are slidably connected to the inner wall of the slide groove (2) by means of movable blocks.

4. The high-efficiency welding module testing device according to claim 1, characterized in that: The outer wall of the adjusting rod (4) is provided with a thread, and the bottom end of the limiting plate (3) is provided with a connecting ring meshing with the outer wall of the adjusting rod (4).

5. The high-efficiency welding module testing device according to claim 1, characterized in that: The slide rod (8) forms a sliding connection with the front end of the connecting block (7), the guide block (9) forms a sliding connection with the slide rail (10), and the guide rod (11) forms a sliding connection with the supporting block (12).

6. The high-efficiency welding module testing device according to claim 1, characterized in that: An extension frame rotatably connected to the power wheel (15) is arranged at the bottom of the rear end of the feeding frame (1), and the servo motor (16) is connected to the rear side wall of the feeding frame (1).

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