CN112191983A

CN112191983A - MOS pipe welding frock

Info

Publication number: CN112191983A
Application number: CN202011229260.8A
Authority: CN
Inventors: 赵裕兴; 陈荣茂
Original assignee: Suzhou Bellin Laser Co ltd; Suzhou Delphi Laser Co Ltd
Current assignee: Suzhou Bellin Laser Co ltd; Suzhou Delphi Laser Co Ltd
Priority date: 2020-11-06
Filing date: 2020-11-06
Publication date: 2021-01-08

Abstract

The invention relates to a MOS tube welding tool, wherein a limiting groove for placing an MOS tube is formed in a substrate, a pair of angular positions on the substrate are provided with oppositely arranged guide blocks, the other angular position on the substrate is provided with oppositely arranged clamping mechanisms, each clamping mechanism comprises a limiting guide seat, a sliding block and a limiting guide rod, each limiting guide rod penetrates through a through hole in each limiting guide seat, the head of each limiting guide rod is connected with the corresponding sliding block, the end part of each limiting guide rod is provided with an adjusting handle, a limiting spring is sleeved on each limiting guide rod, one end of each limiting spring is abutted against the corresponding limiting guide seat, the other end of each limiting spring is abutted against the corresponding sliding block, each locking block is arranged on the outer side section of each limiting guide rod, each limiting guide seat opposite to the corresponding locking block is provided with an end surface groove matched. The locking block can be located different axial position, adopts spacing spring's mode to fix a position and presss from both sides tightly and makes easy operation convenient, and the location presss from both sides tight accurate, and stability is good to guarantee welded precision.

Description

MOS pipe welding frock

Technical Field

The invention relates to a MOS tube welding tool.

Background

The MOS transistor is also called an insulated gate field effect transistor, has the characteristics of high impedance, low noise, and good thermal stability, and is generally used for an amplifier circuit or a switch circuit because of its simple manufacturing process. Are also frequently used in laser control systems.

The MOS pipe is in the use, usually need weld on the circuit board, because MOS pipe welding position's difference, need adopt special frock to guarantee MOS pipe welding position's accuracy. However, the existing welding tool is positioned by screws, and the welding tool needs frequent disassembly and assembly when a circuit board is replaced and welded, so that the MOS tube or the circuit board is easily damaged, the tool is also damaged, and meanwhile, the MOS tube is difficult to assemble and position, so that the production efficiency is low, and the mass production is difficult.

Disclosure of Invention

The invention aims to overcome the defects in the prior art and provides an MOS tube welding tool.

The purpose of the invention is realized by the following technical scheme:

MOS pipe welding frock, characteristics are: comprises a substrate, a guide block and a clamping mechanism, wherein the substrate is provided with a limit groove for placing an MOS tube, a pair of angular positions on the substrate are provided with the guide block which are oppositely arranged, the other pair of angular positions are provided with the clamping mechanism which are oppositely arranged, the clamping mechanism comprises a limiting guide seat, a sliding block, a limiting guide rod, a limiting spring and a locking block, the limiting guide rod passes through a through hole on the limiting guide seat, the head part of the limiting spring is connected with a sliding block, the end part of the limiting spring is provided with an adjusting handle, a limiting spring is sleeved on a limiting guide rod, one end of the limiting spring is abutted with a limiting guide seat, the other end of the limiting spring is abutted with the sliding block, a locking block is arranged on the outer side section of the limiting guide rod, can be along with spacing guide bar circumferential direction, offer on the spacing guide holder just right with the locking piece be used for with locking piece complex end face groove, the end face groove is located the circumferential motion orbit of locking piece.

Further, in the MOS tube welding tool, the locking block has a rounded rectangular structure, and correspondingly, the end surface groove has a rounded rectangular shape.

Further, foretell MOS pipe welding frock, wherein, spacing guide holder is equipped with the guide way, and the guide section cooperation of sliding block is in the guide way of spacing guide holder.

Further, foretell MOS pipe welding frock, wherein, the spacing recess is equipped with circular clear angle hole all around.

Further, in the MOS tube welding tool, the guide blocks are respectively arranged at the upper left position and the lower right position on the substrate, and the clamping mechanisms are respectively arranged at the lower left position and the upper right position.

Further, foretell MOS pipe welding frock, wherein, the material of guide block and sliding block is plastics.

Further, in the MOS tube welding tool, the guide block is fixed to the substrate through a screw.

Further, in the MOS tube welding tool, the limiting guide seat is fixed on the substrate through a screw.

Further, according to the MOS tube welding tool, the positioning protrusion for initially positioning the circuit board to be welded is arranged on the substrate.

Further, foretell MOS pipe welding frock, wherein, the sliding block is equipped with and is used for carrying out the spacing face that the clamping was fixed a position to the circuit board that needs the welding.

Compared with the prior art, the invention has obvious advantages and beneficial effects, and is embodied in the following aspects:

firstly, the invention has ingenious design, the limiting groove on the substrate positions the MOS tube to be welded and limits the movement of the MOS tube, round corner cleaning holes are arranged around the limiting groove, and the product can be conveniently taken out after the welding is finished; the limiting guide rod is pulled outwards, the limiting spring is in a state of being compressed maximally, the locking block is separated from the end surface groove, the locking block is rotated, and the locking block is locked on the side surface of the limiting guide seat, so that a circuit board to be welded can be placed on the substrate conveniently; the positioning bulge and the two guide blocks on the substrate perform initial positioning on the circuit board to be welded, after the circuit board is placed, the locking blocks are rotated synchronously, due to the tension of the limiting springs, the locking blocks slide into the end surface grooves and slide inwards, the sliding blocks are fed inwards and pressed to the circuit board, and the limiting surfaces on the sliding blocks perform positioning and clamping on the circuit board to be welded;

the locking block can be positioned at different axial positions, a circuit board to be welded can be conveniently placed when the locking block is separated from the end surface groove and locked on the side surface of the limiting guide seat, and the circuit board is tightly pressed by the sliding block when the locking block falls into the end surface groove; the positioning and clamping are carried out by adopting a limiting spring mode, so that the operation is simple and convenient, and the working efficiency is obviously improved;

the positioning clamp is accurate, the stability is good, the welding precision is effectively guaranteed, the damage to MOS tubes, circuit boards and jigs is greatly reduced in the using process, the operation is simple and convenient, the production efficiency is obviously improved, the structure is simple, the device is suitable for mass production and application, and the device can be transplanted to welding tools of other components.

Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by the practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and drawings.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

FIG. 1: the structure of the tool is schematic;

FIG. 2: the structure schematic diagram of the clamping mechanism;

FIG. 3: the locking block is matched with the end surface groove.

The meanings of the reference symbols in the figures are given in the following table:

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures. Meanwhile, in the description of the present invention, the directional terms and the sequence terms, etc. are used only for distinguishing the description, and are not to be construed as indicating or implying relative importance.

As shown in fig. 1 to 3, the MOS tube welding tool includes a substrate 1, a guide block 3 and a clamping mechanism, wherein the substrate 1 is made of aluminum alloy, and the guide block 3 is made of plastic; a limiting groove 2 for placing an MOS tube is formed in the substrate 1, and round corner cleaning holes are formed in the periphery of the limiting groove 2; a positioning bulge for initially positioning a circuit board to be welded is arranged on the substrate 1; the guide blocks 3 which are oppositely arranged are arranged at a pair of angular positions on the base plate 1, and the clamping mechanisms which are oppositely arranged are arranged at the other diagonal position, namely the guide blocks 3 are respectively arranged at the upper left position and the lower right position on the base plate 1 through screws, and the clamping mechanisms are respectively arranged at the lower left position and the upper right position through screws;

the clamping mechanism comprises a limiting guide seat 4, a sliding block 7, a limiting guide rod 5, a limiting spring 6 and a locking block 9, the sliding block 7 is made of plastic, the limiting guide rod 5 is made of stainless steel, the limiting spring 6 is made of spring steel, the limiting guide rod 5 penetrates through a through hole in the limiting guide seat 4, the head of the limiting guide rod 5 is connected with the sliding block 7 and can rotate relatively, an adjusting handle 8 is installed at the end part, the limiting spring 6 is sleeved on the limiting guide rod 5, one end of the limiting spring 6 is abutted to the limiting guide seat 4, and the other end of the limiting spring 6 is abutted to the sliding block 7; the limiting guide seat 4 is provided with a guide groove, and the guide section of the sliding block 7 is matched in the guide groove of the limiting guide seat 4; the sliding block 7 is provided with a limiting surface for positioning and clamping a circuit board to be welded; on the outside section of spacing guide bar 5 was located to locking block 9, can follow spacing guide bar 5 circumferential direction, with locking block 9 just to offer on spacing guide holder 4 be used for with locking block 9 complex end face groove 10, locking block 9 is the rounded rectangle structure, correspondingly, end face groove 10 is the rounded rectangle, end face groove 10 is located the circumferential motion orbit of locking block 9.

When the method is applied specifically, the MOS tube to be welded is placed in the corresponding limiting groove 2 on the substrate 1;

the limiting guide rod 5 is pulled outwards through the adjusting handle 8, the sliding block 7 is pulled to the limiting position, as shown in fig. 2, the limiting spring is in the state of being compressed maximally, the locking block 9 is separated from the end surface groove 10, the limiting guide rod 5 is rotated through the adjusting handle 8, the locking block 9 rotates synchronously, at the moment, the locking block 9 is locked on the side surface of the limiting guide seat 4 and pressed to the side surface, as shown in fig. 3, a circuit board to be welded is placed on the substrate conveniently;

placing a circuit board to be welded, and carrying out initial positioning through the positioning bulges on the substrate 1 and the two guide blocks 3; after the placement is finished, the adjusting handle 8 is rotated, the locking block 9 synchronously rotates, the sliding block 7 and the limiting guide rod 5 are driven to move inwards due to the tension of the limiting spring, the locking block 9 slides into the end surface groove 10 and slides inwards along the end surface groove, and the sliding block 7 is fed inwards and pressed to the circuit board;

the limiting spring drives the sliding block to move to the limiting position, the limiting spring is in the minimum compressed state at the moment, and the circuit board needing to be welded is positioned and clamped tightly through the corresponding limiting surface on the sliding block.

And then, the MOS tube is welded with the circuit board.

The substrate is provided with a limiting groove, the MOS tube can be limited to move by the limiting groove after being embedded into the limiting groove, round corner cleaning holes are formed in the periphery of the limiting groove, and a product can be conveniently taken out after welding is completed;

the locking block can be positioned at different axial positions, when the locking block is separated from the end surface groove and locked on the side surface of the limiting guide seat, a circuit board to be welded is convenient to place, and when the locking block falls into the end surface groove, the sliding block compresses the circuit board; the positioning and clamping are carried out by adopting a limiting spring mode, so that the operation is simple and convenient, and the working efficiency is obviously improved; in the using process, the guide block and the sliding block made of the engineering plastic material can reduce the damage to the circuit board; the structure is simple, the manufacture is convenient, and the device can be transplanted to welding tools of other components.

In conclusion, the invention has the advantages of unique design, novel structure, accurate positioning and clamping, good stability, effective guarantee of welding precision, greatly reduced damage to MOS tubes, circuit boards and jigs in the using process, simple and convenient operation, remarkably improved production efficiency and suitability for mass production and application.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and shall be covered by the scope of the present invention.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Claims

MOS pipe welding frock, its characterized in that: comprises a substrate (1), a guide block (3) and a clamping mechanism, wherein a limit groove (2) for placing an MOS tube is arranged on the substrate (1), the guide block (3) which is oppositely arranged is installed at a pair of angular positions on the substrate (1), the clamping mechanism which is oppositely arranged is installed at the other diagonal position, the clamping mechanism comprises a limit guide seat (4), a sliding block (7), a limit guide rod (5), a limit spring (6) and a locking block (9), the limit guide rod (5) passes through a through hole on the limit guide seat (4), the head of the limit guide rod is connected with the sliding block (7), an adjusting handle (8) is installed at the end part of the limit guide rod, the limit spring (6) is sleeved on the limit guide rod (5), one end of the limit spring (6) is abutted against the limit guide seat (4), the other end of the limit spring is abutted against the sliding block (7), the locking block (9) is arranged on the outer side section, can be along with spacing guide bar (5) circumferential direction, offer on spacing guide holder (4) just right with locking block (9) and be used for with locking block (9) complex terminal surface groove (10), terminal surface groove (10) are located the circumferential motion orbit of locking block (9).
2. The MOS pipe welding frock of claim 1, characterized in that: the locking block (9) is in a round-corner rectangular structure, and correspondingly, the end surface groove (10) is in a round-corner rectangular shape.
3. The MOS pipe welding frock of claim 1, characterized in that: the limiting guide seat (4) is provided with a guide groove, and the guide section of the sliding block (7) is matched in the guide groove of the limiting guide seat (4).
4. The MOS pipe welding frock of claim 1, characterized in that: round corner cleaning holes are formed around the limiting groove (2).
5. The MOS pipe welding frock of claim 1, characterized in that: the upper left position and the lower right position on the base plate (1) are respectively provided with a guide block (3), and the lower left position and the upper right position are respectively provided with a clamping mechanism.
6. The MOS pipe welding frock of claim 1 or 5, characterized in that: the guide block (3) and the sliding block (7) are made of plastics.
7. The MOS pipe welding frock of claim 1, characterized in that: the guide block (3) is fixed on the base plate (1) through a screw.
8. The MOS pipe welding frock of claim 1, characterized in that: the limiting guide seat (4) is fixed on the substrate (1) through a screw.
9. The MOS pipe welding frock of claim 1, characterized in that: the base plate (1) is provided with a positioning bulge for initially positioning a circuit board to be welded.
10. The MOS pipe welding frock of claim 1, characterized in that: the sliding block (7) is provided with a limiting surface used for positioning and clamping a circuit board to be welded.