Portable adjustable chip eutectic welding tool

Abstract

The portable adjustable chip eutectic welding tool comprises a base, a limiting block, a sliding block, a pressing plate, a pressing block, a seat block and an elastic piece. The limiting block is mounted on the base; the sliding block is arranged on the base, and one side of the sliding block is attached to the limiting block. The pressing plate is arranged on the sliding block and is connected with the base; the elastic piece is arranged in the seat block; the pressing block is installed on one side of the base block, and the elastic piece is limited in the base block. A limiting step is arranged at one end of the base and provided with positioning scales, and the seat block is installed at the other end of the base. Positioning scales are arranged at one end of the sliding block, and the other end of the sliding block is inserted into the seat block and contacts with the elastic piece; the sliding block moves in the length direction of the limiting block, so that the chip carrier is clamped between the end, provided with the positioning scales, of the sliding block and the limiting step of the base. According to the eutectic welding tool, the eutectic welding requirements of chips of different sizes can be met, accurate alignment and clamping of the chips can be achieved, and the purposes of convenience and universality of the eutectic welding tool are achieved.

Description

Technical Field

[0001] The utility model relates to the field of chip eutectic welding, in particular to a portable and adjustable chip eutectic welding tool. Background Art

[0002] At present, with the increasing requirements for miniaturization, integration, multi-function and high reliability of microwave components, chip eutectic is widely used in microwave components due to its good microwave grounding effect and heat dissipation capacity, and chip eutectic welding is a key assembly process. At present, manual eutectic welding is the main method in the chip eutectic welding assembly process, and the utilization rate of chip eutectic welding tooling is relatively low.

[0003] A eutectic welding tool in the prior art adjusts the front-to-back spacing through a slider installed on a base, ensures the positioning of the slider through a limit block and a pressure block, keeps the limit surface of the slider horizontally parallel to the limit surface of the base, and controls the slider reset through the elastic structure of the elastic part to clamp and fix the chip carrier, thereby ensuring good eutectic welding conditions for the chip. The horizontal clamping size and the front-to-back movement of the slider of the eutectic welding tool cannot be adjusted in real time. Each set of tool can only match one model of product, but cannot meet the needs of products of different sizes. The operation convenience and flexibility are low, and it is not universal. In addition, the types of tooling are increased invisibly, which increases the production cost. The chip is prone to position deviation or low positioning accuracy during pre-installation or eutectic welding, which leads to poor consistency of chip eutectic welding quality. The reliability of eutectic welding cannot be guaranteed, which in turn affects the product assembly quality and production efficiency. Utility Model Content

[0004] The purpose of the utility model is to provide a portable and adjustable chip eutectic welding tool, which can not only meet the eutectic welding requirements of chips of different sizes, but also realize accurate chip alignment and clamping, thereby achieving the purpose of convenience and versatility of the eutectic welding tool.

[0005] In order to achieve the above-mentioned purpose, the utility model provides a portable adjustable chip eutectic welding tool, including a base, a limit block, a slider, a pressure plate, a pressure block, a seat block and an elastic member; the limit block is installed on the base; the slider is placed on the base, and one side of the slider is in contact with the limit block; the pressure plate is placed on the slider and connected to the base, and the pressure plate limits the slider in the vertical direction; the elastic member is placed in the seat block; the pressure block is installed on one side of the seat block to limit the elastic member in the seat block; a limit step is provided at one end of the base, and a positioning scale is provided on the limit step, and the seat block is installed at the other end of the base; a positioning scale is provided at one end of the slider, and the other end of the slider is inserted into the seat block and contacts with the elastic member; the slider moves along the length direction of the limit block, so that the chip carrier is stuck between the end of the slider with the positioning scale and the limit step of the base.

[0006] The above-mentioned portable adjustable chip eutectic welding tooling, wherein the lower step surface of the limit step is the slider mounting surface, and the positioning scale is arranged on the high step surface of the limit step; a waist-shaped positioning boss is arranged on the slider mounting surface; a waist-shaped through hole is arranged on the slider, and the waist-shaped positioning boss on the base is inserted into the waist-shaped through hole, and the pressure plate is connected to the waist-shaped positioning boss by screws.

[0007] In the above-mentioned portable adjustable chip eutectic welding tool, the base is also provided with a first step structure, the first step structure and the limit step are perpendicular to each other, and the lower step surface of the first step structure is the limit block installation surface.

[0008] The portable adjustable chip eutectic welding tool is characterized in that a step structure is arranged at one end of the slider, a positioning scale is arranged on the low step surface of the step structure, an anti-slip pattern is arranged on the high step surface of the step structure, and the low step surface of the step structure is a slope.

[0009] The above-mentioned portable adjustable chip eutectic welding tool, wherein, the seat block is provided with an elastic member mounting hole and a guide stroke groove, the elastic member mounting hole passes through the guide stroke groove; the opening end of the guide stroke groove and the opening end of the elastic member mounting hole are located on the same side of the seat block, and the pressure block is installed on the side; the other end of the slider is inserted into the guide stroke groove; the opening degree of the opening end of the guide stroke groove is smaller than the diameter of the elastic member mounting hole.

[0010] The portable and adjustable chip eutectic welding tooling includes a chip carrier clamping space between one end of the slider with a positioning scale and the limiting step of the base, and the horizontal movement of the slider on the base realizes the adjustment of the clamping space size, and the guide travel groove ensures the horizontal movement space size of the slider.

[0011] In the above-mentioned portable adjustable chip eutectic welding tool, the elastic member is a helical spring.

[0012] Compared with the prior art, the beneficial technical effects of the utility model are:

[0013] The portable and adjustable chip eutectic welding tool of the utility model controls the size of the clamping space in the tool by adjusting the slider in the horizontal direction, realizes the matching of the clamping space with chip carriers of different sizes, completes the clamping and fixation of a single chip carrier or multiple chip carriers, and during the clamping process, with the help of the anti-slip grooves on the surface of the slider, can better control the movement of the slider, realize convenient, fast and accurate fine-tuning, and at the same time, the chip carrier in the tool is accurately positioned by the positioning scale on the tool, realizes the consistency of the chip carrier clamping, and creates stable operating conditions for the chip eutectic; the base limit step and the slider end face are provided with positioning scale lines, which can make up for the insufficient dimensional accuracy of the tool processing, reduce the requirements for the tool processing accuracy, and reduce the difficulty of tool processing; the flexible and convenient operability in the chip carrier clamping process meets the positioning accuracy while realizing the requirements for simultaneous eutectic welding of multiple chips, and well realizes the purpose of convenient, flexible and universal eutectic welding tool, and greatly improves the production efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The portable and adjustable chip eutectic welding tool of the utility model is provided by the following embodiments and drawings.

[0015] Figure 1 This is a schematic diagram of a portable and adjustable chip eutectic welding tool according to an embodiment of the utility model.

[0016] Figure 2 It is a schematic diagram of the base in the embodiment of the utility model.

[0017] Figure 3 Schematic diagram of a slider in an embodiment of the utility model.

[0018] Figure 4 It is a schematic diagram of a seat block in an embodiment of the utility model.

[0019] Figure 5 It is a schematic diagram of the elastic member in the embodiment of the utility model. DETAILED DESCRIPTION

[0020] The following will be combined Figure 1 to Figure 5 The portable and adjustable chip eutectic welding tool of the utility model is further described in detail.

[0021] like Figure 1 The portable adjustable chip eutectic welding tool of the embodiment of the utility model comprises a base 1, a limit block 2, a slider 3, a pressing plate 4, a pressing block 5, a seat block 6 and an elastic member 7;

[0022] The limit block 2 is installed on the base 1;

[0023] The slider 3 is placed on the base 1, and one side of the slider 3 is in contact with the limit block 2;

[0024] The pressing plate 4 is placed on the slider 3 and connected to the base 1. The pressing plate 4 is used to limit the slider 3 in the vertical direction.

[0025] The elastic member 7 is placed in the seat block 6;

[0026] The pressing block 5 is installed on one side of the seat block 6 to limit the elastic member 7 in the seat block 6;

[0027] One end of the base 1 is provided with a limiting step, on which a positioning scale is provided, and the seat block 6 is installed at the other end of the base 1;

[0028] One end of the slider 3 is provided with a positioning scale, and the other end of the slider 3 is inserted into the seat block 6 and contacts the elastic member 7;

[0029] The slider 3 can move along the length direction of the limit block (i.e., the horizontal direction), so that the chip carrier is stuck between the end of the slider 3 with a positioning scale and the limit step of the base. The limit block 2 is used to ensure the accuracy of the horizontal movement of the slider 3.

[0030] like Figure 2 The base 1 is a rectangular parallelepiped structure. On the upper surface of the base 1, a first step structure is arranged along the long side direction, and a second step structure (i.e., a limit step) is arranged along the wide side direction. The low step surface of the first step structure is a limit block mounting surface 11, and the low step surface of the second step structure is a slider mounting surface 12. A positioning scale 14 is arranged on the high step surface 13 of the second step structure. A waist-shaped positioning boss 15 is arranged on the low step surface of the second step structure (i.e., the slider mounting surface 12), and a threaded mounting hole 16 is provided on the waist-shaped positioning boss 15.

[0031] The limit block 2 is mounted on the limit block mounting surface 11 of the base 1 by means of screws.

[0032] like Figure 3 The slider 3 is a long strip structure; a third step structure is arranged at one end of the slider 3, and a positioning scale 32 is arranged on the low step surface 31 of the third step structure. Preferably, the low step surface 31 of the third step structure is designed as a slope surface, and an anti-slip pattern 33 is arranged on the high step surface of the third step structure; a waist-shaped through hole 34 is arranged on the slider 3, and the waist-shaped through hole 34 matches the waist-shaped positioning boss 15 of the base 1.

[0033] like Figure 4The seat block 6 is provided with an elastic member mounting hole (blind hole) 61 and a guide stroke groove 62, and the elastic member mounting hole 61 passes through the guide stroke groove 62; the open end of the guide stroke groove 62 and the open end of the elastic member mounting hole 61 are located on the same side of the seat block 6, and the seat block 6 is provided with a first fastening mounting hole 63 and a second fastening mounting hole 64 on this side; the pressing block 5 is installed on the seat block 6 by means of screws and the first fastening mounting hole 63, the opening degree of the open end of the guide stroke groove 62 is smaller than the diameter of the elastic member mounting hole 61, the elastic member 7 is placed in the elastic member mounting hole 61, one end of the elastic member 7 is pressed on the pressing block 5, and the elastic member 7 is pressed in the elastic member mounting hole 61 by means of the pressing block 5; the seat block 6 is installed on the base 1 by means of screws and the second fastening mounting hole 64.

[0034] like Figure 5 The elastic member 7 is a helical spring.

[0035] When assembling the portable adjustable chip eutectic welding tool, place the slider 3 on the slider mounting surface 12 of the base 1. One end of the slider 3 with a positioning scale is close to the positioning scale on the base 1. The waist-shaped positioning boss 15 of the base 1 is inserted into the waist-shaped through hole 34 of the slider 3. One side of the slider 3 is in contact with one side of the limit block 2; the pressure plate 4 is placed on the slider 3, and the pressure plate 4 is connected to the base 1 through screws and threaded mounting holes 16. The pressure plate 4 limits the slider 3 in the vertical direction, but does not affect the movement of the slider 3 in the horizontal direction; the elastic member 7 is placed in the elastic member mounting hole 61 of the seat block 6, and the pressure block 5 is installed to the seat through screws and the first fastening mounting hole 63 On block 6, the seat block 6 is installed on the base 1 by screws and the second fastening mounting hole 64, and the end of the slider 3 without a positioning scale is inserted into the guide stroke groove 62 of the seat block 6; the end of the slider 3 with a positioning scale and the second step structure on the base 1 are between the chip carrier clamping space, the slider 3 can slide back and forth on the base 1 (i.e., move in the horizontal direction) to achieve adjustment of the clamping space size, the elastic member 7 controls the reset of the slider 3 to achieve stable clamping of the chip carrier by the tooling, the elastic member mounting hole 61 realizes the fixation of the elastic member 7, and the guide stroke groove 62 ensures the horizontal movement space size of the slider 3 to achieve front and rear gap adjustment; the pressure block 5 realizes the limitation of the elastic member 7.

[0036] By adjusting the slider 3 in the horizontal direction, the size of the clamping space in the tooling is controlled, the clamping space is matched with chip carriers of different sizes, and the clamping and fixing of a single chip carrier or multiple chip carriers is completed. During the clamping process, the movement of the slider 3 can be better controlled with the help of the anti-slip pattern 33 on the surface of the slider 3, and convenient, fast and accurate fine-tuning can be achieved. At the same time, the chip carrier in the tooling is accurately positioned through the positioning scale on the tooling to achieve consistency in the clamping of the chip carrier, creating stable operating conditions for the chip eutectic, and then according to the chip eutectic welding assembly process, the device is heated, eutectic solder is added, and eutectic chips are placed, and finally the chip eutectic welding is completed. The flexible and convenient operability during the chip carrier clamping process meets the positioning accuracy while realizing the requirements for eutectic welding of multiple chips at the same time, and well realizes the purpose of convenient, flexible and universal eutectic welding tooling, and the production efficiency is greatly improved.

[0037] Based on the perspective of actual needs and applications, the utility model designs a set of portable adjustable chip eutectic welding tooling, which mainly adjusts the distance between the slider and the base limit step (second step structure) in the tooling in the horizontal direction through the horizontally adjustable technology, matches chip products of different sizes, and meets the eutectic welding requirements of chip carriers and chip devices of different sizes, so as to achieve the purpose of convenience and versatility of the welding tooling. In addition, based on the elastic parts in this tooling as replaceable parts, they can be matched and replaced according to the size of the chip carrier, providing the chip carrier with the best fastening force and ensuring the clamping reliability. In addition, the base limit step and the end face of the slider are provided with positioning scale lines, which can make up for the insufficient dimensional accuracy of the tooling, reduce the requirements for tooling processing accuracy, and reduce the difficulty of tooling processing. At the same time, this tooling does not change the existing operating methods and habits during use, but the actual operability is simpler, more flexible and convenient.

Claims

1. Portable and adjustable chip eutectic welding tool, characterized in that: It includes a base, a limit block, a slider, a pressure plate, a pressure block, a seat block and an elastic member; The limit block is installed on the base; The slider is placed on the base, and one side of the slider is in contact with the limit block; The pressing plate is placed on the slider and connected to the base, and the pressing plate limits the slider in the vertical direction; The elastic member is placed in the seat block; The pressing block is installed on one side of the seat block to limit the elastic member in the seat block; One end of the base is provided with a limiting step, the limiting step is provided with a positioning scale, and the seat block is installed at the other end of the base; One end of the slider is provided with a positioning scale, and the other end of the slider is inserted into the seat block and contacts the elastic member; The slider moves along the length direction of the limiting block, so that the chip carrier is clamped between the end of the slider provided with a positioning scale and the limiting step of the base.

2. The portable and adjustable chip eutectic welding tool as claimed in claim 1, characterized in that: The lower step surface of the limit step is the slider mounting surface, and the positioning scale is set on the higher step surface of the limit step; a waist-shaped positioning boss is provided on the slider mounting surface; a waist-shaped through hole is provided on the slider, and the waist-shaped positioning boss on the base is inserted into the waist-shaped through hole, and the pressure plate is connected to the waist-shaped positioning boss by screws.

3. The portable and adjustable chip eutectic welding tool as claimed in claim 1 or 2, characterized in that: The base is also provided with a first step structure, the first step structure and the limiting step are perpendicular to each other, and the lower step surface of the first step structure is the limiting block installation surface.

4. The portable and adjustable chip eutectic welding tool as claimed in claim 1 or 2, characterized in that: A step structure is arranged at one end of the sliding block, a positioning scale is arranged on the low step surface of the step structure, an anti-slip pattern is arranged on the high step surface of the step structure, and the low step surface of the step structure is a slope surface.

5. The portable and adjustable chip eutectic welding tool as claimed in claim 1, characterized in that: The seat block is provided with an elastic member mounting hole and a guide stroke groove, and the elastic member mounting hole passes through the guide stroke groove; the opening end of the guide stroke groove and the opening end of the elastic member mounting hole are located on the same side of the seat block, and the pressure block is installed on the side; the other end of the slider is inserted into the guide stroke groove; the opening degree of the opening end of the guide stroke groove is smaller than the diameter of the elastic member mounting hole.

6. The portable and adjustable chip eutectic welding tool as claimed in claim 5, characterized in that: The chip carrier clamping space is between one end of the slider with a positioning scale and the limiting step of the base. The horizontal movement of the slider on the base realizes the adjustment of the clamping space size, and the guide stroke groove ensures the horizontal movement space size of the slider.

7. The portable and adjustable chip eutectic welding tool as claimed in claim 1, characterized in that: The elastic member is a helical spring.

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