Pressing tool for installing igbt module

Abstract

A pressing tool for installing an igbt module comprises a base, a workbench is fixedly connected to the base, an installing frame is fixedly connected to the workbench through a fixing rod, an air cylinder is arranged on the installing frame, a first pressing plate is arranged on a movable rod of the air cylinder, and the air cylinder operates to drive the first pressing plate to move up and down to conduct pressing operation. By starting the air cylinder, the air cylinder drives the first pressing plate to rapidly move downwards to make contact with the cover plate and press the cover plate into the module shell, automatic pressing is achieved, the working efficiency is guaranteed, and efficient production is facilitated.

Description

Technical Field

[0001] The utility model relates to a pressing tool, in particular to a pressing tool for installing an IGBT module. Background Art

[0002] The IGBT module is a modular semiconductor product formed by packaging an insulated gate bipolar transistor chip and a freewheeling diode chip through a specific circuit bridge. It is mainly composed of a substrate, a chip, bonding wires, a casing, and a cover. It has the characteristics of energy saving, easy maintenance, and stable heat dissipation. During production, after the internal components are assembled, the cover and the casing need to be pressed together to complete the installation of the IGBT module.

[0003] Currently, in the installation of the shell and the cover plate, the cover plate needs to be placed in the shell, and then the cover plate is pressed into the shell manually by the staff to achieve assembly. However, the pressing assembly method is time-consuming and labor-intensive, and after a long time, the fingers are prone to soreness, resulting in reduced work efficiency, which is not conducive to efficient production operations.

[0004] Therefore, there is an urgent need to provide a pressing tool for installing an IGBT module that can perform automatic pressing. Utility Model Content

[0005] In order to overcome the shortcomings of manually pressing the cover plate to install it into the housing, which is time-consuming and labor-intensive, and after a long time, the fingers are prone to soreness, resulting in reduced work efficiency, which is not conducive to efficient production operations, the utility model provides a pressing tool for installing an IGBT module that can perform automatic pressing.

[0006] In order to solve the above problem, the utility model adopts the following technical solution: a pressing tool for installing an IGBT module, comprising a base, a workbench fixedly connected to the base, a mounting frame fixedly connected to the workbench through a fixed rod, a cylinder is arranged on the mounting frame, a first pressing plate is arranged on the movable rod of the cylinder, and the operation of the cylinder can drive the first pressing plate to move up and down to perform a pressing operation.

[0007] As a preferred technical solution of the utility model, a fixed plate is fixedly connected to the workbench, a first guide rod is slidably arranged on the fixed plate, a clamping block for clamping the module housing is fixedly connected to the first guide rod, and a first elastic member is sleeved on the first guide rod for resetting the first guide rod.

[0008] As a preferred technical solution of the utility model, the clamping block is made of rubber.

[0009] As a preferred technical solution of the utility model, a guide frame for guiding the module is fixedly connected to the workbench, a second guide rod is fixedly connected to the workbench, a baffle for blocking the module is slidably provided on the second guide rod, an installation frame is fixedly connected to the base, and a material receiving frame for collecting the module is slidably provided on the installation frame.

[0010] As a preferred technical solution of the utility model, the baffle is located below the clamping block.

[0011] As a preferred technical solution of the utility model, a second elastic member for resetting the baffle is sleeved on the second guide rod.

[0012] As a preferred technical solution of the present utility model, the material receiving frame is located below the guide frame.

[0013] As a preferred technical solution of the utility model, a connecting plate is provided on the output shaft of the cylinder, one end of a pull rope is connected to the connecting plate, a guide wheel is provided on the mounting frame, a second pressure plate is slidably provided on the mounting frame, the other end of the pull rope passes around the guide wheel and is connected to the second pressure plate, a mounting rod for guiding the second pressure plate is fixedly connected to the workbench, the second pressure plate slides on the mounting rod, and a third elastic member is sleeved on the mounting rod for resetting the second pressure plate.

[0014] As a preferred technical solution of the present utility model, a hand grip is provided on the baffle.

[0015] As a preferred technical solution of the utility model, a soft pad is provided on the side of the first pressing plate that contacts the cover plate.

[0016] Compared with the prior art, the utility model has the following technical effects: 1. By starting the cylinder, the cylinder drives the first pressure plate to move down quickly to contact the cover plate and press it into the module housing, thereby achieving automatic pressing, thereby ensuring work efficiency and facilitating efficient production.

[0017] 2. Under the action of the first elastic member, the clamping block can be moved to a suitable position to clamp and fix the inserted module housing, thereby preventing the module housing from moving randomly during use.

[0018] 3. The first pressing plate is reset upward, so that the second pressing plate presses the module downward to separate from the clamping block under the reset elasticity of the third elastic member, thereby realizing automatic material return.

[0019] 4. The modules that have escaped from the clamping block can be collected through the material collecting frame for easy retrieval for subsequent use. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a three-dimensional structural schematic diagram of the utility model.

[0021] Figure 2 It is a three-dimensional cross-sectional structural schematic diagram of the fixing plate, the first elastic member and the clamping block of the utility model.

[0022] Figure 3 It is a three-dimensional cross-sectional structural schematic diagram of the baffle, the installation frame and the material receiving frame of the utility model.

[0023] Figure 4 It is a three-dimensional structural schematic diagram of the connecting plate, the guide wheel and the pull rope of the utility model.

[0024] Marked in the figure: 1-base, 2-workbench, 3-fixed rod, 4-mounting frame, 5-cylinder, 6-first pressure plate, 7-fixed plate, 8-first elastic member, 9-clamping block, 10-first guide rod, 11-guide frame, 12-second guide rod, 13-second elastic member, 14-baffle, 15-mounting frame, 16-material receiving frame, 17-connecting plate, 18-wire wheel, 19-pull rope, 20-mounting rod, 21-third elastic member, 22-second pressure plate, 23-hand glue, 24-cushion. DETAILED DESCRIPTION

[0025] Although the present invention may be described with respect to a specific application or industry, those skilled in the art will recognize the broader applicability of the present invention. Those of ordinary skill in the art will recognize that terms such as: above, below, upward, downward, etc. are used to describe the drawings and do not represent limitations on the scope of the present invention as defined by the appended claims. Any numerical designations such as: first or second are merely exemplary and are not intended to limit the scope of the present invention in any way.

[0026] Example 1

[0027] See also Figure 1 A pressing tool for installing an IGBT module includes a base 1, a workbench 2 is fixedly connected to the top of the base 1 by welding, a mounting frame 4 is fixedly connected to the left and right parts of the workbench 2 by a fixing rod 3, a cylinder 5 is arranged in the middle of the mounting frame 4, a first pressing plate 6 is arranged at the bottom end of the movable rod of the cylinder 5, the operation of the cylinder 5 can drive the first pressing plate 6 to move up and down to press the cover plate into the module housing, a soft pad 24 is arranged on the side of the first pressing plate 6 that contacts the cover plate, and the soft pad 24 can protect the cover plate when the first pressing plate 6 presses the cover plate.

[0028] When in use, first place the module housing on the workbench 2, then put the cover plate into the module housing, and then start the cylinder 5. The cylinder 5 drives the first pressing plate 6 to move down quickly to contact the cover plate and press it into the module housing, thereby achieving automatic pressing, thereby ensuring work efficiency and facilitating efficient production.

[0029] Example 2

[0030] Based on Example 1, please refer to Figure 2 The workbench 2 is fixedly connected to three fixing plates 7 by welding, and the three fixing plates 7 are respectively distributed on the left and right sides and the rear side of the workbench 2. A first guide rod 10 is slidably arranged on the fixing plate 7, and a clamping block 9 is fixedly connected to the first guide rod 10. The module housing can be clamped by moving the clamping block 9, and the clamping block 9 is made of rubber to prevent damage to the module housing during the clamping operation. A first elastic member 8 is sleeved on the first guide rod 10 to reset the first guide rod 10, and the two ends of the first elastic member 8 are respectively connected to the clamping block 9 and the fixing plate 7.

[0031] See also Figure 3 The bottom of the workbench 2 is fixedly connected with a guide frame 11 by welding, and the guide frame 11 is used to export the module on the clamping block 9. The bottom of the workbench 2 is fixedly connected with two second guide rods 12 that are symmetrically distributed on the left and right by welding. The two second guide rods 12 are slidably provided with a baffle 14 located below the clamping block 9. The baffle 14 can block the module housing clamped by the clamping block 9 to prevent the module housing from falling downward during the pressing process. A hand glue 23 is provided on the baffle 14, and the hand glue 23 can play an anti-slip role when the baffle 14 is pulled. A second elastic member 13 for resetting the baffle 14 is sleeved on the second guide rod 12, and the two ends of the second elastic member 13 are respectively connected to the baffle 14 and the second guide rod 12. The lower part of the base 1 is fixedly connected with an installation frame 15 by welding, and the lower part of the installation frame 15 is slidably provided with a receiving frame 16 located below the guide frame 11, and the receiving frame 16 is used for the module exported by the guide frame 11.

[0032] See also Figure 4, a connecting plate 17 is provided at the lower end of the output shaft of the cylinder 5, and the operation of the cylinder 5 can drive the connecting plate 17 to move up and down, and one end of a pull rope 19 is connected to the left and right sides of the connecting plate 17, and two wire wheels 18 symmetrically distributed on the upper part of the mounting frame 4 are provided, and a second pressing plate 22 is slidably provided on the mounting frame 4, and the other ends of the two pull ropes 19 are respectively bypassed by the wire wheels 18 on the same side and connected to the second pressing plate 22, and the connecting plate 17 can pull the second pressing plate 22 up and down through the pull rope 19 when it moves up and down, and the table top of the workbench 2 is fixedly connected with two mounting rods 20 symmetrically distributed on the left and right by welding, and the second pressing plate 22 slides longitudinally on the mounting rod 20, and the mounting rod 20 is used to support and guide the second pressing plate 22, so as to improve the stability of the second pressing plate 22 when it moves, and a third elastic member 21 for resetting the second pressing plate 22 is sleeved on the mounting rod 20, and the two ends of the third elastic member 21 are respectively connected to the mounting rod 20 and the second pressing plate 22.

[0033] The module housing is placed between the three clamping blocks 9, and the module housing squeezes the clamping block 9. Under the action of the first elastic member 8, the clamping block 9 moves outward to a suitable position to clamp and fix the module housing to prevent the module housing from moving at will during use. After the module housing is fixed, the cover plate is placed in and the cylinder 5 is started for pressing. When the first pressing plate 6 moves downward, the pull rope 19 is pulled through the connecting plate 17, so that the pull rope 19 pulls the second pressing plate 22 to move upward, and the third elastic member 21 is compressed accordingly. When the first pressing plate 6 is reset upward, the baffle 14 is pulled forward, and the second elastic member 13 is compressed accordingly. Subsequently, under the reset elasticity of the third elastic member 21, the second pressing plate 22 squeezes the module downward, so that the module is separated from the clamping block 9, and automatic material return is realized. The detached module is collected by the receiving frame 16 for subsequent use.

[0034] Although the present invention has been described with reference to exemplary embodiments, it should be understood that the present invention is not limited to the disclosed exemplary embodiments. The scope of the following claims is to be accorded the broadest interpretation so as to encompass all modifications and equivalent structures and functions.

Claims

1. A pressing tool for installing an IGBT module, It is characterized in that The invention comprises a base (1), a workbench (2) is fixedly connected to the base (1), a mounting frame (4) is fixedly connected to the workbench (2) via a fixing rod (3), a cylinder (5) is arranged on the mounting frame (4), a first pressing plate (6) is arranged on the movable rod of the cylinder (5), and the cylinder (5) can drive the first pressing plate (6) to move up and down to perform a pressing operation when the cylinder (5) is operated.

2. A pressing tool for installing an IGBT module according to claim 1, It is characterized in that A fixed plate (7) is fixedly connected to the workbench (2), a first guide rod (10) is slidably arranged on the fixed plate (7), a clamping block (9) for clamping the module housing is fixedly connected to the first guide rod (10), and a first elastic member (8) for resetting the first guide rod (10) is sleeved on the first guide rod (10).

3. A pressing tool for installing an IGBT module according to claim 2, It is characterized in that The clamping block (9) is made of rubber.

4. A pressing tool for installing an IGBT module according to claim 2, It is characterized in that A guide frame (11) for guiding the module is fixedly connected to the workbench (2), a second guide rod (12) is fixedly connected to the workbench (2), a baffle (14) for blocking the IGBT module is slidably provided on the second guide rod (12), a mounting frame (15) is fixedly connected to the base (1), and a material receiving frame (16) for collecting the module is slidably provided on the mounting frame (15).

5. A pressing tool for installing an IGBT module according to claim 4, It is characterized in that The baffle (14) is located below the clamping block (9).

6. A pressing tool for installing an IGBT module according to claim 4, It is characterized in that The second guide rod (12) is sleeved with a second elastic member (13) for returning the baffle plate (14) to its original position.

7. A pressing tool for installing an IGBT module according to claim 4, It is characterized in that The material receiving frame (16) is located below the guide frame (11).

8. The pressing tool for installing an IGBT module according to claim 1, It is characterized in that A connecting plate (17) is arranged on the output shaft of the cylinder (5), one end of a pull rope (19) is connected to the connecting plate (17), a guide wheel (18) is arranged on the mounting frame (4), a second pressing plate (22) is slidably arranged on the mounting frame (4), the other end of the pull rope (19) bypasses the guide wheel (18) and is connected to the second pressing plate (22), a mounting rod (20) for guiding the second pressing plate (22) is fixedly connected to the workbench (2), the second pressing plate (22) can slide on the mounting rod (20), and a third elastic member (21) for resetting the second pressing plate (22) is sleeved on the mounting rod (20).

9. A pressing tool for installing an IGBT module according to claim 4, It is characterized in that The baffle (14) is provided with a hand grip (23).

10. The pressing tool for installing an IGBT module according to claim 1, It is characterized in that A soft pad (24) is provided on the side of the first pressing plate (6) that contacts the cover plate.

Images