TSSOP20 package

Abstract

The utility model discloses a TSSOP20 package, which relates to the technical field of TSSOP20 package, and comprises a package substrate and a lead frame unit, the top of the package substrate is provided with an auxiliary installation assembly, four corners of the top of the package substrate are provided with suction cup bases, the tops of the suction cup bases are provided with suction cups, the tops of two locking seats are provided with adjusting shafts, and the adjusting shafts are connected with the lead frame unit. The two protection substrates can prevent the auxiliary positioning plate from making direct contact with the packaging substrate, the protection effect is achieved, suction cup bases arranged at the four corners of the top of the packaging substrate make adsorption contact with suction cups, the tops of the positioning rods penetrate through the top of the auxiliary positioning plate to be in threaded connection with the locking blocks, and the positioning blocks are used for limiting the auxiliary positioning plate. The two mounting seats lock and mount the adjusting shaft through the top locking seat, the adjusting shaft can adjust the use angle of the positioning block, the auxiliary rod arranged at the top of the positioning block can conveniently use the auxiliary positioning plate, and the packaging substrate can be prevented from being directly taken by hands for use.

Description

Technical Field

[0001] The utility model relates to the technical field of TSSOP20 packaging, in particular to a TSSOP20 packaging. Background Art

[0002] The lead frame structure must be used when packaging integrated circuits. The existing TSSOP8 package lead frame structure can only have five lead frame units in a row. One TSSOP8 package lead frame structure can hold 100 circuits. Each module can hold up to eight TSSOP8 package lead frame structures, so each module can hold up to 800 circuits. Therefore, the efficiency needs to be improved. Since chip packaging has become less profitable, how to improve packaging efficiency and save costs has become an unavoidable problem. Therefore, the existing TSSOP8 package lead frame structure can no longer meet the demand and needs to be improved.

[0003] The patent with publication number CN201527974U proposes a TSSOP8 package lead frame structure, which includes a substrate, a row of lead units, and 20 groups of 40 rows of lead units 2 are arranged on the entire substrate 1. In this way, there are 320 lead frame units 2 on each TSSOP8 package lead frame structure, which can be equipped with 320 circuits. Each module can produce 8 TSSOP8 package lead frame structures, and the number of circuits that can be produced reaches 2560. Compared with the existing 5-row TSSOP8 package lead frame structure, the production efficiency is increased by 220%, thereby greatly reducing labor costs, and at the same time, it can also effectively reduce power consumption and resin consumption, so the technical effect is obvious, but there are still the following problems in this patent:

[0004] The sealing plate is inconvenient to use when directly touched by hand, and it has no auxiliary use structure, and the protective effect is poor.

[0005] In view of the above problems, it is necessary to design a TSSOP20 package to overcome the above problems. Utility Model Content

[0006] The main purpose of the utility model is to provide a TSSOP20 package, which can effectively solve the problems in the background technology.

[0007] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0008] A TSSOP20 package, comprising a package substrate and a lead frame unit, wherein the outer wall of the package substrate is provided with a lead frame unit, and the top of the package substrate is provided with an auxiliary mounting component;

[0009] The auxiliary mounting assembly includes a protective substrate arranged at the front and rear ends of the middle part of the top of the packaging substrate, a suction cup base is arranged at the four corners of the top of the packaging substrate, a suction cup is arranged on the top of the suction cup base, a plurality of suction cups are arranged at the top of positioning rods, a locking block is installed on the top of a plurality of positioning rods, an auxiliary positioning plate is arranged at the upper end of the outer wall of a plurality of positioning rods, mounting seats are installed at the front and rear ends of the middle part of the top of the auxiliary positioning plate, locking seats are installed on the top of the two mounting seats, an adjusting shaft is arranged on the top of the two locking seats, a positioning block is arranged on the top of the adjusting shaft, and an auxiliary rod is arranged on the top of the positioning block.

[0010] As a preferred solution of the utility model, the packaging substrate is detachably connected to the two protective substrates, the packaging substrate is detachably connected to the multiple suction cup bases, and the multiple suction cup bases are in adsorption contact with the multiple suction cup bottoms.

[0011] As a preferred solution of the utility model, the multiple suction cups are detachably connected to the multiple positioning rods, the tops of the multiple positioning rods pass through the top of the auxiliary positioning plate and are threadedly connected to the locking block, and the auxiliary positioning plate is detachably connected to the multiple locking blocks.

[0012] As a preferred solution of the utility model, the auxiliary positioning plate is detachably connected to the two mounting seats, the two mounting seats are detachably connected to the two locking seats, and the two locking seats are detachably connected to the two adjusting shafts.

[0013] As a preferred solution of the utility model, the tops of the two adjusting shafts are detachably connected to the bottoms of the positioning blocks, and the two positioning blocks are detachably connected to the auxiliary rods.

[0014] Beneficial Effects

[0015] Compared with the prior art, the utility model has the following beneficial effects:

[0016] 1. The TSSOP20 package can avoid direct contact between the auxiliary positioning plate and the package substrate by setting two protective substrates, thereby achieving a protective effect. The suction cup bases set at the four corners of the top of the package substrate are in adsorption contact with the suction cup. The top of the positioning rod passes through the top of the auxiliary positioning plate and is threadedly connected to the locking block for limiting its position. The two mounting seats are locked and installed on the adjusting shaft through the top locking seat. The adjusting shaft can adjust the use angle of the positioning block. The auxiliary rod set on the top of the positioning block can facilitate the use of the auxiliary positioning plate, which can avoid directly taking the package substrate with hands. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0018] Figure 2It is a schematic diagram of the positioning rod structure of the utility model;

[0019] Figure 3 It is a schematic diagram of the structure of the regulating shaft of the utility model.

[0020] In the figure: 1. packaging substrate; 2. lead frame unit; 3. auxiliary mounting assembly; 301. protective substrate; 302. suction cup base; 303. suction cup; 304. positioning rod; 305. auxiliary positioning plate; 306. locking block; 307. mounting seat; 308. locking seat; 309. adjusting shaft; 310. positioning block; 311. auxiliary rod. DETAILED DESCRIPTION

[0021] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0022] like Figure 1-3 As shown, a TSSOP20 package includes a package substrate 1 and a lead frame unit 2, wherein the lead frame unit 2 is disposed on the outer wall of the package substrate 1, and an auxiliary mounting component 3 is disposed on the top of the package substrate 1;

[0023] The auxiliary mounting assembly 3 comprises a protective substrate 301 arranged at the front and rear ends of the middle part of the top of the packaging substrate 1, a suction cup base 302 is arranged at the four corners of the top of the packaging substrate 1, a suction cup 303 is arranged on the top of the suction cup base 302, a plurality of suction cups 303 are arranged on the top of the positioning rods 304, a locking block 306 is installed on the top of the plurality of positioning rods 304, an auxiliary positioning plate 305 is arranged on the upper end of the outer wall of the plurality of positioning rods 304, a mounting seat 307 is installed at the front and rear ends of the middle part of the top of the auxiliary positioning plate 305, a locking seat 308 is installed on the top of the two mounting seats 307, an adjusting shaft 309 is arranged on the top of the two locking seats 308, a positioning block 310 is arranged on the top of the adjusting shaft 309, and an auxiliary rod 311 is arranged on the top of the positioning block 310;

[0024] The packaging substrate 1 is detachably connected to the two protective substrates 301, the packaging substrate 1 is detachably connected to the multiple suction cup bases 302, the multiple suction cup bases 302 are in adsorption contact with the bottoms of the multiple suction cups 303, the multiple suction cups 303 are detachably connected to the multiple positioning rods 304, the tops of the multiple positioning rods 304 pass through the top of the auxiliary positioning plate 305 and are threadedly connected to the locking blocks 306, the auxiliary positioning plate 305 is detachably connected to the multiple locking blocks 306, the auxiliary positioning plate 305 is detachably connected to the two mounting seats 307, the two mounting seats 307 are detachably connected to the two locking seats 308, the two locking seats 308 are detachably connected to the two adjusting shafts 309, the tops of the two adjusting shafts 309 are detachably connected to the bottoms of the positioning blocks 310, and the two positioning blocks 310 are detachably connected to the auxiliary rods 311;

[0025] Among them, the two protective substrates 301 can prevent the auxiliary positioning plate 305 from directly contacting the packaging substrate 1, thereby playing a protective role. The suction cup bases 302 arranged at the four corners of the top of the packaging substrate 1 are in adsorption contact with the suction cup 303. The top of the positioning rod 304 passes through the top of the auxiliary positioning plate 305 and is threadedly connected to the locking block 306 for limiting its position. The two mounting seats 307 are locked and installed on the adjusting shaft 309 through the top locking seat 308. The adjusting shaft 309 can adjust the use angle of the positioning block 310. The auxiliary rod 311 arranged on the top of the positioning block 310 can facilitate the use of the auxiliary positioning plate 305, and can avoid directly taking the packaging substrate 1 by hand for use.

[0026] It should be noted that the utility model is a TSSOP20 package. When in use, the two protective substrates 301 can avoid direct contact between the packaging substrate 1 and the auxiliary positioning plate 305, thereby achieving a protective effect. The multiple suction cups 303 are in contact with the internal parts of the multiple suction cup bases 302 and adsorbed. The positioning rod 304 passes through the top of the auxiliary positioning plate 305 and is threadedly connected to the locking block 306, thereby improving the stability of the positioning rod 304. The two mounting seats 307 are provided to limit and lock the adjusting shaft 309 with the locking seat 308. The adjusting shaft 309 can adjust the use angle of the auxiliary rod 311, and the positioning block 310 plays a role in positioning the auxiliary rod 311, which is convenient for installation and use.

[0027] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A TSSOP20 package, comprising a package substrate (1) and a lead frame unit (2), characterized in that: The outer wall of the packaging substrate (1) is provided with a lead frame unit (2), and the top of the packaging substrate (1) is provided with an auxiliary mounting component (3); The auxiliary mounting assembly (3) comprises a protective substrate (301) arranged at the front and rear ends of the middle part of the top of the packaging substrate (1); suction cup bases (302) are arranged at the four corners of the top of the packaging substrate (1); a suction cup (303) is arranged on the top of the suction cup base (302); a plurality of positioning rods (304) are arranged on the top of the plurality of positioning rods (304); a locking block (306) is installed on the top of the plurality of positioning rods (304); an auxiliary positioning plate (305) is arranged on the upper ends of the outer walls of the plurality of positioning rods (304); mounting seats (307) are installed at the front and rear ends of the middle part of the top of the auxiliary positioning plate (305); locking seats (308) are installed on the tops of the two mounting seats (307); adjusting shafts (309) are arranged on the tops of the two locking seats (308); a positioning block (310) is arranged on the top of the adjusting shaft (309); and an auxiliary rod (311) is arranged on the top of the positioning block (310).

2. A TSSOP20 package according to claim 1, characterized in that: The packaging substrate (1) is detachably connected to the two protective substrates (301), the packaging substrate (1) is detachably connected to the plurality of suction cup bases (302), and the plurality of suction cup bases (302) are in adsorption contact with the bottoms of the plurality of suction cups (303).

3. A TSSOP20 package according to claim 1, characterized in that: The plurality of suction cups (303) are detachably connected to the plurality of positioning rods (304); the tops of the plurality of positioning rods (304) pass through the top of the auxiliary positioning plate (305) and are threadedly connected to the locking block (306); the auxiliary positioning plate (305) and the plurality of locking blocks (306) are detachably connected.

4. A TSSOP20 package according to claim 1, characterized in that: The auxiliary positioning plate (305) is detachably connected to the two mounting seats (307), the two mounting seats (307) are detachably connected to the two locking seats (308), and the two locking seats (308) are detachably connected to the two adjustment shafts (309).

5. A TSSOP20 package according to claim 1, characterized in that: The tops of the two adjustment shafts (309) are detachably connected to the bottom of the positioning block (310), and the two positioning blocks (310) are detachably connected to the auxiliary rod (311).

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